/* =========================================================
   SoftRoad America — Design System
   Inspired by TIS-style clean enterprise blue
   ========================================================= */

/* --- Design tokens --- */
:root {
  --color-primary: #0B3D91;
  --color-primary-dark: #082C6C;
  --color-primary-light: #2E86DE;
  --color-primary-soft: #E6EEF9;
  --color-accent: #FF6B6B;
  --color-accent-dark: #E84545;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F5F7FA;
  --color-bg-section: #EDF2F8;
  --color-text: #1A2332;
  --color-text-muted: #5A6678;
  --color-text-subtle: #8794A8;
  --color-border: #E2E8F0;
  --color-border-strong: #CBD5E1;
  --color-success: #10B981;

  --gradient-hero: linear-gradient(135deg, #0B3D91 0%, #2E86DE 100%);
  --gradient-soft: linear-gradient(180deg, #F5F7FA 0%, #FFFFFF 100%);

  --shadow-sm: 0 1px 2px rgba(15, 30, 60, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 30, 60, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 30, 60, 0.10);
  --shadow-xl: 0 24px 56px rgba(15, 30, 60, 0.14);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  --container: 1200px;
  --container-narrow: 960px;

  --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-light); }
button { font-family: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-family: var(--font-display); font-weight: 700; line-height: 1.25; color: var(--color-text); letter-spacing: -0.01em; }
p { margin: 0; }

/* --- Typography --- */
.eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  line-height: 1.2;
  margin-bottom: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (max-width: 768px) {
  .section-title {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }
}
.section-lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 720px;
}
/* Subtitle leads sitting directly under a section heading should stay on one line */
.section-header .section-lead {
  max-width: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
}
@media (max-width: 768px) {
  .section-header .section-lead {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    font-size: 1rem;
  }
}
.section-header { margin-bottom: 3rem; }
.section-header.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-header.center .section-lead { margin-left: auto; margin-right: auto; }

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container--narrow { max-width: var(--container-narrow); }
section { padding: 5rem 0; }
@media (max-width: 768px) { section { padding: 3.5rem 0; } }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 107, 107, 0.32);
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 107, 107, 0.4);
}
.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}
.btn-text {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}
.btn-text::after {
  content: '→';
  transition: transform var(--transition);
}
.btn-text:hover::after { transform: translateX(4px); }
.btn-sm { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
.btn-lg { padding: 1.125rem 2.25rem; font-size: 1rem; }

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--color-border);
  box-shadow: 0 4px 12px rgba(15, 30, 60, 0.04);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
.site-logo img { height: 36px; width: auto; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.site-nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}
.site-nav__link:hover { color: var(--color-primary); }
.site-nav__link.active { color: var(--color-primary); }
.site-nav__cta { margin-left: 0.5rem; }
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0.5rem;
  color: var(--color-text);
}
@media (max-width: 1024px) {
  .site-nav { gap: 1.25rem; }
  .site-nav__link { font-size: 0.875rem; }
}
@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
  }
  .site-nav.open { display: flex; }
  .site-nav__link {
    padding: 0.875rem 0.5rem;
    border-bottom: 1px solid var(--color-border);
  }
  .site-nav__cta { margin: 0.75rem 0.5rem 0.25rem; align-self: flex-start; }
}

/* --- Hero (banner style) --- */
.hero {
  position: relative;
  padding: 6rem 0 6.5rem;
  background-color: #061B47;
  background-image: url('../images/top/hero-banner.png');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  min-height: 640px;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
    rgba(6, 27, 71, 0.94) 0%,
    rgba(11, 61, 145, 0.78) 38%,
    rgba(11, 61, 145, 0.32) 70%,
    rgba(11, 61, 145, 0.10) 100%);
  z-index: -1;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 0% 50%, rgba(46, 134, 222, 0.22) 0%, transparent 60%),
    linear-gradient(180deg, transparent 65%, rgba(6, 27, 71, 0.45) 100%);
  pointer-events: none;
  z-index: -1;
}
.hero__inner {
  display: block;
  position: relative;
  z-index: 1;
  width: 100%;
}
.hero__content {
  max-width: 720px;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}
.hero__eyebrow .dot {
  width: 7px; height: 7px;
  background: #5FB4FF;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(95, 180, 255, 0.8);
}
.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(135deg, #ffffff 0%, #8FCBFF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__lead {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 2rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.3);
  white-space: nowrap;
}
.hero__ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.hero__ctas .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
}
.hero__ctas .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
  color: #fff;
}
.hero__meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  flex-wrap: wrap;
}
.hero__meta-item { display: flex; align-items: center; gap: 0.5rem; }
.hero__meta-item svg { color: #5FB4FF; }
.hero__visual { display: none; }

/* Hero foreground overlay (decorative illustration on right side) */
.hero__foreground {
  position: absolute;
  right: 4%;
  top: 50%;
  transform: translateY(-50%);
  width: 42%;
  max-width: 600px;
  aspect-ratio: 1 / 1;
  max-height: 92%;
  background: url('../images/top/hero-foreground.png') center/contain no-repeat;
  pointer-events: none;
  z-index: 0;
  animation:
    heroFloatCentered 11s ease-in-out infinite,
    heroGlowPulse 5s ease-in-out infinite,
    heroAuraDrift 14s ease-in-out infinite;
}
.hero__foreground::before,
.hero__foreground::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero__foreground::before {
  inset: -8%;
  background: radial-gradient(circle at center,
    rgba(95, 180, 255, 0.28) 0%,
    rgba(46, 134, 222, 0.12) 35%,
    transparent 65%);
  filter: blur(20px);
  z-index: -1;
  animation: heroAuraPulse 6s ease-in-out infinite;
}
.hero__foreground::after {
  inset: 20% 25% 20% 25%;
  background: radial-gradient(circle at center,
    rgba(255, 255, 255, 0.15) 0%,
    transparent 60%);
  filter: blur(30px);
  z-index: -1;
  animation: heroAuraPulse 4s ease-in-out infinite reverse;
}

/* Floating orbit particles */
.hero__orbit {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero__orbit span {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #5FB4FF;
  box-shadow: 0 0 16px rgba(95, 180, 255, 0.95), 0 0 32px rgba(95, 180, 255, 0.4);
  opacity: 0;
}
.hero__orbit span:nth-child(1)  { top: 20%; right: 12%; animation: particleFloat 7s ease-in-out infinite 0s;    width: 6px; height: 6px; }
.hero__orbit span:nth-child(2)  { top: 38%; right: 2%;  animation: particleFloat 9s ease-in-out infinite 1.2s;  width: 5px; height: 5px; }
.hero__orbit span:nth-child(3)  { top: 56%; right: 16%; animation: particleFloat 8s ease-in-out infinite 2.4s;  width: 4px; height: 4px; }
.hero__orbit span:nth-child(4)  { top: 28%; right: 28%; animation: particleFloat 10s ease-in-out infinite 0.6s; width: 5px; height: 5px; }
.hero__orbit span:nth-child(5)  { top: 70%; right: 8%;  animation: particleFloat 11s ease-in-out infinite 3.0s; width: 3px; height: 3px; }
.hero__orbit span:nth-child(6)  { top: 14%; right: 22%; animation: particleFloat 8.5s ease-in-out infinite 1.8s; width: 4px; height: 4px; }
.hero__orbit span:nth-child(7)  { top: 46%; right: 38%; animation: particleFloat 9.5s ease-in-out infinite 0.9s; width: 5px; height: 5px; }
.hero__orbit span:nth-child(8)  { top: 82%; right: 20%; animation: particleFloat 7.5s ease-in-out infinite 2.1s; width: 4px; height: 4px; }
.hero__orbit span:nth-child(9)  { top: 8%;  right: 6%;  animation: particleFloat 10.5s ease-in-out infinite 3.6s; width: 3px; height: 3px; }
.hero__orbit span:nth-child(10) { top: 60%; right: 0%;  animation: particleFloat 8s ease-in-out infinite 4.2s;   width: 5px; height: 5px; }
.hero__orbit span:nth-child(11) { top: 30%; right: 44%; animation: particleFloat 11.5s ease-in-out infinite 1.5s; width: 4px; height: 4px; }
.hero__orbit span:nth-child(12) { top: 78%; right: 32%; animation: particleFloat 9s ease-in-out infinite 2.7s;   width: 6px; height: 6px; }
.hero__orbit span:nth-child(13) { top: 50%; right: 24%; animation: particleFloat 8.5s ease-in-out infinite 0.3s; width: 3px; height: 3px; }
.hero__orbit span:nth-child(14) { top: 22%; right: 0%;  animation: particleFloat 10s ease-in-out infinite 3.3s;  width: 4px; height: 4px; }

@media (max-width: 1100px) {
  .hero__foreground { width: 40%; right: 2%; max-width: 500px; }
}
@media (max-width: 880px) {
  .hero__foreground { display: none; }
  .hero__orbit { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__foreground,
  .hero__foreground::before,
  .hero__foreground::after,
  .hero__orbit span { animation: none; }
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes heroFloatCentered {
  0%   { transform: translateY(-50%) translateX(0) scale(1) rotate(-0.8deg); }
  25%  { transform: translateY(calc(-50% - 18px)) translateX(-6px) scale(1.014) rotate(-0.3deg); }
  50%  { transform: translateY(calc(-50% - 32px)) translateX(0) scale(1.028) rotate(0.8deg); }
  75%  { transform: translateY(calc(-50% - 18px)) translateX(6px) scale(1.014) rotate(0.3deg); }
  100% { transform: translateY(-50%) translateX(0) scale(1) rotate(-0.8deg); }
}
@keyframes heroGlowPulse {
  0%, 100% {
    filter: drop-shadow(0 24px 64px rgba(0, 0, 0, 0.45))
            drop-shadow(0 0 32px rgba(95, 180, 255, 0.18));
  }
  50% {
    filter: drop-shadow(0 24px 64px rgba(0, 0, 0, 0.45))
            drop-shadow(0 0 88px rgba(95, 180, 255, 0.42));
  }
}
@keyframes heroAuraDrift {
  0%, 100% { background-position: center; }
  50% { background-position: center 52%; }
}
@keyframes heroAuraPulse {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.08); }
}
@keyframes particleFloat {
  0% { opacity: 0; transform: translate(0, 0); }
  20% { opacity: 1; }
  50% { transform: translate(-12px, -18px); opacity: 1; }
  80% { opacity: 0.8; }
  100% { opacity: 0; transform: translate(-24px, -36px); }
}

/* Hero text reveal */
.hero__content .hero__eyebrow,
.hero__content .hero__title,
.hero__content .hero__lead,
.hero__content .hero__ctas,
.hero__content .hero__meta {
  opacity: 0;
  transform: translateY(16px);
  animation: heroReveal 0.7s ease forwards;
}
.hero__content .hero__eyebrow { animation-delay: 0.05s; }
.hero__content .hero__title { animation-delay: 0.18s; }
.hero__content .hero__lead { animation-delay: 0.32s; }
.hero__content .hero__ctas { animation-delay: 0.46s; }
.hero__content .hero__meta { animation-delay: 0.6s; }
@keyframes heroReveal {
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__content > * { animation: none; opacity: 1; transform: none; }
}

/* Pulsing eyebrow dot */
.hero__eyebrow .dot {
  animation: dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(95, 180, 255, 0.6); }
  50% { box-shadow: 0 0 0 10px rgba(95, 180, 255, 0); }
}
@media (max-width: 880px) {
  .hero {
    padding: 4rem 0 4.5rem;
    min-height: 520px;
    background-position: 75% center;
  }
  .hero::before {
    background: linear-gradient(180deg,
      rgba(6, 27, 71, 0.94) 0%,
      rgba(11, 61, 145, 0.78) 100%);
  }
  .hero__title { font-size: clamp(2rem, 8vw, 2.75rem); }
  .hero__lead { font-size: 1.0625rem; white-space: normal; }
}

/* --- Trust bar (stats) --- */
.trust-bar {
  padding: 3rem 0;
  background: var(--color-primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.trust-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 10% 50%, rgba(46, 134, 222, 0.4) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 50%, rgba(46, 134, 222, 0.25) 0%, transparent 50%);
  pointer-events: none;
}
.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 1;
}
.trust-stat {
  text-align: center;
}
.trust-stat__value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 0.5rem;
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.05em;
  font-variant-numeric: tabular-nums;
}
.trust-stat__value sup {
  font-size: 0.45em;
  font-weight: 700;
  vertical-align: top;
  line-height: 1;
  margin-left: 0.05em;
  align-self: flex-start;
  margin-top: 0.15em;
}
.trust-stat .counter { font-variant-numeric: tabular-nums; min-width: 1ch; }
.trust-stat__label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.4;
}
@media (max-width: 768px) {
  .trust-bar__grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem; }
}

/* --- Clients --- */
.clients {
  padding: 4rem 0 3.5rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}
.clients__heading {
  text-align: center;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-bottom: 2rem;
}

/* Horizontal marquee scroll */
.clients__marquee {
  width: 100%;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
}
.clients__track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 3.5rem;
  padding-right: 3.5rem;
  animation: clientsScroll 38s linear infinite;
}
.clients__track:hover {
  animation-play-state: paused;
}
@keyframes clientsScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.client-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
  opacity: 0.55;
  transition: opacity var(--transition), transform var(--transition);
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}
.client-name:hover {
  opacity: 0.95;
  transform: scale(1.06);
}

/* Fallback for browsers that don't support mask-image */
@supports not (mask-image: linear-gradient(90deg, transparent, #000)) {
  .clients__marquee::before,
  .clients__marquee::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 2;
    pointer-events: none;
  }
  .clients__marquee::before { left: 0; background: linear-gradient(90deg, var(--color-bg), transparent); }
  .clients__marquee::after { right: 0; background: linear-gradient(270deg, var(--color-bg), transparent); }
}

@media (prefers-reduced-motion: reduce) {
  .clients__track { animation: none; flex-wrap: wrap; justify-content: center; padding: 0; gap: 2rem; }
  .clients__marquee { mask-image: none; -webkit-mask-image: none; }
}

@media (max-width: 768px) {
  .client-name { font-size: 1.25rem; }
  .clients__track { gap: 2.5rem; }
}

/* --- Section base --- */
.bg-soft { background: var(--color-bg-soft); }
.bg-section { background: var(--color-bg-section); }
.bg-primary { background: var(--color-primary); color: #fff; }

/* --- Why us cards --- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.why-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition);
}
.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}
.why-card__icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.why-card__icon--image {
  width: 120px;
  height: 120px;
  background: transparent;
  border-radius: 0;
  margin-bottom: 1rem;
  margin-left: -8px;
  transition: transform var(--transition);
}
.why-card__icon--image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(11, 61, 145, 0.15));
}
.why-card:hover .why-card__icon--image {
  transform: translateY(-4px) scale(1.04);
}
.why-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.why-card__desc {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}
.why-card__stats {
  display: flex;
  gap: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.why-card__stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}
.why-card__stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}
@media (max-width: 880px) { .why-grid { grid-template-columns: 1fr; } }

/* --- AppModernizer feature --- */
.feature-band {
  background: linear-gradient(135deg, #0B3D91 0%, #1656B4 50%, #2E86DE 100%);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.feature-band::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
}
.feature-band__eyebrow {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.feature-band__title {
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin-bottom: 1rem;
  position: relative;
}
.feature-band__desc {
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.0625rem;
  margin-bottom: 1.5rem;
  position: relative;
}
.feature-band__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  position: relative;
}
.feature-band__list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
}
.feature-band__list li::before {
  content: '✓';
  width: 20px; height: 20px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}
.feature-band__visual {
  position: relative;
  z-index: 1;
}
.feature-band__image {
  width: 100%;
  height: auto;
  max-width: 480px;
  margin-left: auto;
  display: block;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 16px 40px rgba(0, 0, 0, 0.25));
}
@media (max-width: 880px) {
  .feature-band { grid-template-columns: 1fr; padding: 2rem; }
  .feature-band__list { grid-template-columns: 1fr; }
}

/* --- Case studies --- */
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.case-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.case-card__image {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  background-color: #061B47;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.case-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11, 61, 145, 0.18) 100%);
  pointer-events: none;
}
.case-card__image-tag {
  position: absolute;
  bottom: 1rem;
  left: 1.25rem;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-primary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4375rem 0.75rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(11, 61, 145, 0.15);
}
.case-card:hover .case-card__image {
  background-size: 105%;
  transition: background-size 0.6s ease;
}
.case-card__header {
  padding: 1.5rem 2rem 1rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.case-card__client {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.case-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
}
.case-card__body {
  padding: 1.5rem 2rem;
  flex: 1;
}
.case-card__challenge-label,
.case-card__quote-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-bottom: 0.5rem;
}
.case-card__challenge {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}
.case-card__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
}
.case-metric { text-align: center; }
.case-metric__value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.case-metric__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.375rem;
  line-height: 1.3;
}
.case-card__quote {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--color-text);
  font-style: italic;
  position: relative;
  padding-left: 1.25rem;
  border-left: 3px solid var(--color-primary-light);
}
.case-card__attribution {
  display: block;
  margin: 0.875rem 0 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
  font-style: normal;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.5;
}
.case-card__attribution-role {
  display: block;
  margin-top: 0.125rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-soft);
  letter-spacing: 0.02em;
}
@media (max-width: 880px) {
  .case-grid { grid-template-columns: 1fr; }
  .case-card__metrics { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; padding: 1rem; }
  .case-metric__value { font-size: 1.25rem; }
}

/* --- Achievement grid (compact case cards below UNITIKA/JAL) --- */
.achievement-section {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}
.achievement-section__header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.achievement-section__title {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.5vw, 1.75rem);
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}
.achievement-section__lead {
  font-size: clamp(0.9375rem, 1.4vw, 1rem);
  color: var(--color-text-muted);
  max-width: none;
  margin: 0 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (max-width: 768px) {
  .achievement-section__lead {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    font-size: 0.9375rem;
    max-width: 600px;
  }
}
.achievement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
  align-items: stretch;
}

/* Flip card container — fixed height for uniform appearance */
.achievement-card {
  position: relative;
  height: 310px;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  perspective: 1400px;
  transition: transform var(--transition);
}
.achievement-card:hover {
  transform: translateY(-3px);
}
.achievement-card:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}
.achievement-card__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.75s cubic-bezier(0.34, 1.35, 0.64, 1);
}
.achievement-card.is-flipped .achievement-card__inner {
  transform: rotateY(180deg);
}
.achievement-card__face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.achievement-card__face--front {
  background: #fff;
  border: 1px solid var(--color-border);
}
.achievement-card:hover .achievement-card__face--front {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}
.achievement-card__face--back {
  background: linear-gradient(135deg, #0B3D91 0%, #1656B4 60%, #2E86DE 100%);
  color: #fff;
  border: 1px solid var(--color-primary);
  transform: rotateY(180deg);
  box-shadow: 0 12px 32px rgba(11, 61, 145, 0.25);
  overflow: hidden;
}
.achievement-card__face--back::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(95, 180, 255, 0.22) 0%, transparent 70%);
  pointer-events: none;
}

/* Industry image banner (front face only) — half height of UNITIKA/JAL cards */
.achievement-card__image {
  position: relative;
  width: calc(100% + 3rem);          /* cancel face's horizontal padding (1.5rem × 2) */
  margin: -1.25rem -1.5rem 0.875rem; /* pull to edges, then breathing space below */
  aspect-ratio: 4 / 1;
  overflow: hidden;
  background-color: #061B47;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  flex-shrink: 0;
}
.achievement-card__image::after {
  /* subtle gradient for tag legibility */
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 27, 71, 0.45) 0%, rgba(6, 27, 71, 0) 55%);
  pointer-events: none;
}
.achievement-card__image-tag {
  position: absolute;
  bottom: 0.5rem;
  left: 0.75rem;
  z-index: 1;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary);
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.achievement-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.625rem;
  padding-bottom: 0.625rem;
  border-bottom: 1px solid var(--color-border);
}
.achievement-card__face--back .achievement-card__header {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}
.achievement-card__client {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.achievement-card__face--back .achievement-card__client { color: #fff; }
.achievement-card__tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.3125rem 0.625rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
  flex-shrink: 0;
}
.achievement-card__face--back .achievement-card__tag {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.achievement-card__title {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  margin: 0 0 0.375rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.achievement-card__event {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  font-style: italic;
  margin-bottom: 0.625rem;
}
.achievement-card__stack {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3125rem;
  overflow-y: auto;
  margin-bottom: 0.625rem;
  position: relative;
  z-index: 1;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}
.achievement-card__stack::-webkit-scrollbar { width: 4px; }
.achievement-card__stack::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.25); border-radius: 4px; }
.achievement-card__stack-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 0.625rem;
  align-items: center;
  font-size: 0.8125rem;
  font-family: 'SFMono-Regular', Consolas, ui-monospace, monospace;
  line-height: 1.4;
}
.achievement-card__face--back .achievement-card__stack-item .source { color: rgba(255, 255, 255, 0.7); text-align: right; }
.achievement-card__face--back .achievement-card__stack-item .arrow { color: #5FB4FF; font-weight: 700; }
.achievement-card__face--back .achievement-card__stack-item .target { color: #fff; font-weight: 700; text-align: left; }
.achievement-card__face--back .achievement-card__stack-item--single {
  display: block;
  text-align: center;
  color: rgba(255, 255, 255, 0.75);
  font-style: italic;
}

/* CTA hint (front + back) */
.achievement-card__cta {
  margin-top: auto;
  padding-top: 0.625rem;
  border-top: 1px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  position: relative;
  z-index: 1;
}
.achievement-card__cta .flip-icon {
  transition: transform 0.5s ease;
}
.achievement-card:hover .achievement-card__face--front .achievement-card__cta .flip-icon {
  transform: rotate(180deg);
}
.achievement-card__cta--back {
  border-top-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.92);
}
.achievement-card:hover .achievement-card__face--back .achievement-card__cta .flip-icon {
  transform: translateX(-3px);
}

/* Hidden / show-more cards */
.achievement-card--more { display: none; }
.achievement-grid.is-expanded .achievement-card--more {
  display: block;
  animation: achievementReveal 0.5s ease forwards;
}
@keyframes achievementReveal {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Success Stories grids (TOP More Success Stories + migration-pattern child pages)
   — longer titles need more breathing room, so we extend card height and shrink the image banner. */
#achievement-grid .achievement-card,
#success-stories-grid .achievement-card {
  height: 320px;
}
#achievement-grid .achievement-card__image,
#success-stories-grid .achievement-card__image {
  aspect-ratio: 5 / 1;          /* shorter banner → more room for text */
  margin-bottom: 0.625rem;      /* tighter image-to-content gap */
}
#achievement-grid .achievement-card__title,
#success-stories-grid .achievement-card__title {
  -webkit-line-clamp: 4;
  line-clamp: 4;
}
@media (max-width: 768px) {
  #achievement-grid .achievement-card,
  #success-stories-grid .achievement-card { height: 310px; }
  #achievement-grid .achievement-card__image,
  #success-stories-grid .achievement-card__image { aspect-ratio: 5 / 1; }
}

/* Toggle button */
.achievement-toggle {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}
.achievement-toggle__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.achievement-toggle__icon {
  transition: transform var(--transition);
}
.achievement-toggle__btn[aria-expanded="true"] .achievement-toggle__icon {
  transform: rotate(180deg);
}

@media (max-width: 768px) {
  .achievement-grid { grid-template-columns: 1fr; }
  .achievement-card { height: 300px; }
  .achievement-card__face { padding: 1.125rem 1.25rem; }
  .achievement-card__client { font-size: 1.125rem; }
  .achievement-card__image {
    width: calc(100% + 2.5rem);
    margin: -1.125rem -1.25rem 0.75rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .achievement-card__inner { transition: none; }
}

/* --- Migration patterns grid --- */
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.pattern-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.pattern-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gradient-hero);
  transition: width var(--transition);
}
.pattern-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}
.pattern-card:hover::after { width: 100%; }
.pattern-card__icon {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  min-height: 56px;
}
.pattern-card__icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 60px;
  padding: 0.625rem 0.75rem;
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
  line-height: 1;
  text-align: center;
}
.pattern-card__icon-from {
  background: #F1F5F9;
  color: #64748B;
  border: 1px solid #E2E8F0;
  position: relative;
}
.pattern-card__icon-from::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 10px;
  background: repeating-linear-gradient(45deg, transparent, transparent 3px, rgba(100, 116, 139, 0.05) 3px, rgba(100, 116, 139, 0.05) 4px);
  pointer-events: none;
}
.pattern-card__icon-to {
  background: var(--gradient-hero);
  color: #fff;
  box-shadow: 0 4px 12px rgba(11, 61, 145, 0.25);
}
.pattern-card__icon-arrow {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
  position: relative;
  min-width: 24px;
}
.pattern-card__icon-arrow svg { width: 100%; height: 14px; max-width: 50px; }
.pattern-card__icon-arrow .dot {
  position: absolute;
  width: 6px; height: 6px;
  background: var(--color-primary-light);
  border-radius: 50%;
  animation: arrowDot 2.2s ease-in-out infinite;
  opacity: 0;
}
.pattern-card:hover .pattern-card__icon-arrow .dot { opacity: 1; }
@keyframes arrowDot {
  0% { left: 0; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
.pattern-card__icon-all {
  width: 56px; height: 56px;
  border-radius: 12px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.875rem;
}
@media (prefers-reduced-motion: reduce) {
  .pattern-card__icon-arrow .dot { animation: none; }
}
.pattern-card__title {
  font-size: 1.0625rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}
.pattern-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  flex: 1;
  margin-bottom: 1rem;
}
.pattern-card__arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary);
}
.pattern-card__arrow::after { content: '→'; transition: transform var(--transition); }
.pattern-card:hover .pattern-card__arrow::after { transform: translateX(4px); }
@media (max-width: 1024px) { .pattern-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .pattern-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .pattern-grid { grid-template-columns: 1fr; } }

/* --- Certifications --- */
.certs {
  padding: 4rem 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.certs__inner {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  align-items: center;
}
.certs__seal {
  display: flex;
  align-items: center;
  justify-content: center;
}
.certs__seal img {
  max-width: 180px;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(11, 61, 145, 0.18));
  animation: sealFloat 6s ease-in-out infinite;
}
@keyframes sealFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@media (prefers-reduced-motion: reduce) { .certs__seal img { animation: none; } }
.certs__heading {
  font-size: 1.625rem;
  font-family: var(--font-display);
  color: var(--color-text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}
.certs__desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 640px;
}
.certs__list {
  display: flex;
  justify-content: flex-start;
  gap: 0.75rem;
  flex-wrap: wrap;
}
@media (max-width: 768px) {
  .certs__inner { grid-template-columns: 1fr; gap: 1.5rem; text-align: center; }
  .certs__seal img { max-width: 140px; }
  .certs__desc { margin-left: auto; margin-right: auto; }
  .certs__list { justify-content: center; }
}

/* --- Case studies section with subtle backdrop --- */
.cases-section {
  position: relative;
  overflow: hidden;
}
.cases-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/top/case-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}
.cases-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(245,247,250,0.85) 0%, rgba(245,247,250,0.6) 50%, rgba(245,247,250,0.95) 100%);
  pointer-events: none;
  z-index: 0;
}
.cases-section > .container { position: relative; z-index: 1; }
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1.25rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}
.cert-badge svg { color: var(--color-primary); flex-shrink: 0; }

/* --- Process steps --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}
.process-step {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
}
.process-step__num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 0.75rem;
}
.process-step__title {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}
.process-step__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
@media (max-width: 880px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .process-grid { grid-template-columns: 1fr; } }

/* --- Final CTA band --- */
.cta-band {
  background: linear-gradient(135deg, #0B3D91 0%, #1856B4 100%);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before, .cta-band::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.cta-band::before {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(46, 134, 222, 0.35) 0%, transparent 70%);
  top: -150px; left: -150px;
}
.cta-band::after {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  bottom: -100px; right: -100px;
}
.cta-band__inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-band__eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1rem;
}
.cta-band__title {
  color: #fff;
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  margin-bottom: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (max-width: 768px) {
  .cta-band__title {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }
}
.cta-band__desc {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 2rem;
}
.cta-band__ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.cta-band__contact {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.85);
}
.cta-band__contact a { color: #fff; font-weight: 600; }
@media (max-width: 768px) { .cta-band { padding: 2.5rem 1.5rem; } }

/* --- Footer --- */
.site-footer {
  background: #0A1628;
  color: rgba(255, 255, 255, 0.78);
  padding: 4rem 0 2rem;
}
.site-footer a { color: rgba(255, 255, 255, 0.78); }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand img { height: 48px; width: auto; max-width: 100%; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 0.875rem; line-height: 1.6; max-width: 320px; }
.footer-col__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-col ul li { margin-bottom: 0.625rem; }
.footer-col ul li a { font-size: 0.875rem; }
.footer-contact {
  font-size: 0.875rem;
  line-height: 1.7;
}
.footer-contact a { font-weight: 600; }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom__links { display: flex; gap: 1.5rem; }
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* --- Sub page hero --- */
.page-hero {
  padding: 4rem 0;
  background: linear-gradient(180deg, #F5F8FD 0%, #FFFFFF 100%);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -150px; right: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(46, 134, 222, 0.1) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero__inner { position: relative; z-index: 1; }

/* --- Banner-style page hero (with technology image background) --- */
.page-hero--banner {
  background-color: #061B47;
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  color: #fff;
  padding: 5rem 0 5.5rem;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-hero--banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      rgba(6, 27, 71, 0.94) 0%,
      rgba(11, 61, 145, 0.78) 38%,
      rgba(11, 61, 145, 0.32) 70%,
      rgba(11, 61, 145, 0.12) 100%);
  z-index: -1;
}
.page-hero--banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 0% 50%, rgba(46, 134, 222, 0.25) 0%, transparent 60%),
    linear-gradient(180deg, transparent 70%, rgba(6, 27, 71, 0.35) 100%);
  pointer-events: none;
  z-index: -1;
}
.page-hero--banner .page-hero__title {
  color: #fff;
  max-width: 720px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
}
.page-hero--banner .page-hero__title strong { color: #fff; }
.page-hero--banner .page-hero__lead {
  color: rgba(255, 255, 255, 0.92);
  max-width: 640px;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.3);
}
.page-hero--banner .page-hero__lead strong {
  color: #fff;
  font-weight: 700;
  border-bottom: 2px solid rgba(46, 134, 222, 0.6);
  padding-bottom: 1px;
}
.page-hero--banner .breadcrumb,
.page-hero--banner .breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}
.page-hero--banner .breadcrumb a:hover { color: #fff; }
.page-hero--banner .breadcrumb__sep { color: rgba(255, 255, 255, 0.35); }
.page-hero--banner .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
}
.page-hero--banner .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
  color: #fff;
}
@media (max-width: 768px) {
  .page-hero--banner { padding: 3.5rem 0 4rem; background-position: 70% center; }
  .page-hero--banner::before {
    background: linear-gradient(180deg, rgba(6, 27, 71, 0.92) 0%, rgba(11, 61, 145, 0.78) 100%);
  }
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb__sep { color: var(--color-border-strong); }
.page-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}
.page-hero__lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 720px;
}

/* Page hero split layout (text + image) */
.page-hero--split { padding: 4.5rem 0 5rem; }
.page-hero__inner--split {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: center;
}
.page-hero__visual {
  position: relative;
  animation: heroFloat 8s ease-in-out infinite;
}
.page-hero__visual img {
  width: 100%;
  height: auto;
  max-width: 520px;
  margin-left: auto;
  display: block;
  filter: drop-shadow(0 20px 48px rgba(11, 61, 145, 0.16));
}
@media (max-width: 880px) {
  .page-hero__inner--split { grid-template-columns: 1fr; gap: 2rem; }
  .page-hero__visual img { margin: 0 auto; max-width: 380px; }
}
@media (prefers-reduced-motion: reduce) {
  .page-hero__visual { animation: none; }
}

/* Approach visual banner */
.approach-visual {
  max-width: 980px;
  margin: 0 auto 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.approach-visual img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- Forms --- */
.form-wrap {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.form-field { display: flex; flex-direction: column; margin-bottom: 1.25rem; }
.form-field--full { grid-column: 1 / -1; }
.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}
.form-label .req { color: var(--color-accent); margin-left: 0.25rem; }
.form-input, .form-select, .form-textarea {
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-text);
  padding: 0.75rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(46, 134, 222, 0.15);
}
.form-textarea { resize: vertical; min-height: 140px; }
.form-radio-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.625rem;
}
.form-radio {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all var(--transition);
}
.form-radio input { position: absolute; opacity: 0; pointer-events: none; }
.form-radio__indicator {
  width: 18px; height: 18px;
  border: 2px solid var(--color-border-strong);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all var(--transition);
  position: relative;
}
.form-radio input:checked ~ .form-radio__indicator {
  border-color: var(--color-primary);
}
.form-radio input:checked ~ .form-radio__indicator::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--color-primary);
  border-radius: 50%;
}
.form-radio:hover { border-color: var(--color-primary-light); }
.form-radio:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}
.form-submit {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
}
.form-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
  .form-wrap { padding: 1.5rem; }
}

/* --- Contact page layout --- */
.contact-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}
.contact-info {
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.contact-info__heading {
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
}
.contact-info__item {
  margin-bottom: 1.5rem;
  display: flex;
  gap: 0.875rem;
  align-items: start;
}
.contact-info__icon {
  width: 40px; height: 40px;
  background: #fff;
  border-radius: var(--radius-md);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.contact-info__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}
.contact-info__value {
  font-size: 0.9375rem;
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.5;
}
.contact-info__value a { color: var(--color-text); }
.contact-info__value a:hover { color: var(--color-primary); }
@media (max-width: 880px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* --- Migration pattern hub --- */
.pattern-hub-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.pattern-hub-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-decoration: none;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.pattern-hub-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 0;
  background: var(--gradient-hero);
  transition: height var(--transition);
}
.pattern-hub-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}
.pattern-hub-card:hover::before { height: 100%; }

.pattern-hub-card__badge {
  width: 140px;
  height: 120px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #F5F8FD 0%, #E6EEF9 100%);
  border: 1px solid var(--color-primary-soft);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  position: relative;
  overflow: hidden;
}
.pattern-hub-card__badge::after {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(46, 134, 222, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.pattern-hub-card__chip-from,
.pattern-hub-card__chip-to {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.8125rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  letter-spacing: 0.01em;
  line-height: 1;
  min-width: 90px;
  text-align: center;
  position: relative;
  z-index: 1;
  white-space: nowrap;
}
.pattern-hub-card__chip-from {
  background: #fff;
  color: #64748B;
  border: 1px solid #CBD5E1;
  box-shadow: 0 1px 3px rgba(15, 30, 60, 0.06);
}
.pattern-hub-card__chip-to {
  background: var(--gradient-hero);
  color: #fff;
  box-shadow: 0 4px 12px rgba(11, 61, 145, 0.25);
}
.pattern-hub-card__arrow {
  width: 28px;
  height: 14px;
  position: relative;
  z-index: 1;
  color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pattern-hub-card__arrow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 8px;
  height: 2px;
  background: currentColor;
  transform: translateY(-50%);
}
.pattern-hub-card__arrow::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  width: 0; height: 0;
  border-left: 8px solid currentColor;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transform: translateY(-50%);
}
.pattern-hub-card:hover .pattern-hub-card__chip-to {
  transform: scale(1.05);
}
.pattern-hub-card__chip-to { transition: transform var(--transition); }

/* Variant: custom (your stack?) */
.pattern-hub-card--custom .pattern-hub-card__badge {
  background: linear-gradient(135deg, #FFF7E6 0%, #FFE8CC 100%);
  border: 1.5px dashed #FFA94D;
}
.pattern-hub-card--custom .pattern-hub-card__chip-from {
  background: #fff;
  color: #B85C00;
  border: 1px dashed #FFA94D;
}
.pattern-hub-card--custom .pattern-hub-card__chip-to {
  background: linear-gradient(135deg, #FF8C42 0%, #FF6B6B 100%);
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.25);
}
.pattern-hub-card--custom .pattern-hub-card__arrow { color: #FFA94D; }
.pattern-hub-card__title {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}
.pattern-hub-card__path {
  font-size: 0.8125rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 0.75rem;
  font-family: 'SFMono-Regular', Consolas, monospace;
}
.pattern-hub-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 0.875rem;
}
.pattern-hub-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}
.pattern-hub-card__tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  background: var(--color-bg-soft);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
}
@media (max-width: 880px) {
  .pattern-hub-cards { grid-template-columns: 1fr; }
  .pattern-hub-card { padding: 1.5rem; grid-template-columns: 110px 1fr; gap: 1.25rem; }
  .pattern-hub-card__badge { width: 110px; height: 100px; padding: 0.5rem; }
  .pattern-hub-card__chip-from, .pattern-hub-card__chip-to { min-width: 70px; font-size: 0.75rem; padding: 0.4rem 0.5rem; }
}
@media (max-width: 480px) {
  .pattern-hub-card { grid-template-columns: 1fr; }
  .pattern-hub-card__badge { width: 100%; flex-direction: row; height: 70px; }
}

/* =====================================================
   COBOL docx-driven layout patterns
   ===================================================== */

/* Cover-thumbnail success story cards */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1024px) { .cover-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cover-grid { grid-template-columns: 1fr; } }
.cover-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.cover-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}
.cover-card__thumb {
  background: var(--color-bg-soft);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
}
.cover-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cover-card__body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.cover-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 0.375rem;
}
.cover-card__event {
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  font-style: italic;
  margin-bottom: 0.875rem;
}
.cover-card__tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.3125rem 0.625rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.875rem;
  align-self: flex-start;
}
.cover-card__stack {
  margin-top: auto;
  padding-top: 0.875rem;
  border-top: 1px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.cover-card__stack-item {
  font-size: 0.8125rem;
  font-family: 'SFMono-Regular', Consolas, ui-monospace, monospace;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Disclaimer notice */
.disclaimer-note {
  background: var(--color-bg-soft);
  border-left: 3px solid var(--color-border-strong);
  padding: 0.875rem 1.25rem;
  margin: 1rem 0 2.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

/* Option list (Migration / Lifespan extension) */
.option-group {
  margin-bottom: 2.5rem;
}
.option-group__heading {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.01em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-primary-soft);
}
.option-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.option-item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 0.875rem;
  align-items: start;
  padding: 1rem 1.25rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}
.option-item--good {
  border-left: 4px solid var(--color-primary);
  background: linear-gradient(135deg, #fff 0%, #F8FBFF 100%);
}
.option-item--bad {
  border-left: 4px solid #DC2626;
  background: linear-gradient(135deg, #fff 0%, #FFF8F8 100%);
}
.option-item:hover { box-shadow: var(--shadow-sm); }
.option-item__icon {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.option-item__icon img { width: 24px; height: 24px; object-fit: contain; }
.option-item__label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}
.option-item__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Two-column issues block */
.issues-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 768px) { .issues-grid { grid-template-columns: 1fr; } }
.issues-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid #DC2626;
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
}
.issues-card__header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.875rem;
  padding-bottom: 0.625rem;
  border-bottom: 1px dashed var(--color-border);
}
.issues-card__icon { width: 22px; height: 22px; }
.issues-card__icon img { width: 100%; height: 100%; object-fit: contain; }
.issues-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
}
.issues-card__body {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.6;
}
.issues-card__body p { margin: 0 0 0.625rem; }
.issues-card__body p:last-child { margin-bottom: 0; }

/* Section with full-width supporting image */
.full-image {
  margin: 1.5rem 0 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-soft);
  display: flex;
  justify-content: center;
  padding: 1rem;
}
.full-image img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
}
.full-image--narrow img { max-width: 760px; }

/* AppModernizer arrow bullets (☛) */
.arrow-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}
.arrow-list li {
  display: flex;
  gap: 0.625rem;
  align-items: start;
  padding: 0.4375rem 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
}
.arrow-list li::before {
  content: '☛';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 1.125rem;
  line-height: 1.5;
}

/* Inline bullet list (・style) */
.dot-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.dot-list li {
  display: flex;
  gap: 0.625rem;
  align-items: start;
  padding: 0.375rem 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
}
.dot-list li::before {
  content: '・';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* Comparison test online/batch split */
.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
@media (max-width: 768px) { .split-block { grid-template-columns: 1fr; } }
.split-block__item {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}
.split-block__label {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.625rem;
  padding: 0.25rem 0.75rem;
  background: var(--color-primary-soft);
  border-radius: var(--radius-full);
}
.split-block__body {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.6;
}
.split-block__body p { margin: 0 0 0.5rem; }
.split-block__body p:last-child { margin-bottom: 0; }

/* Detailed migration case (docx style) */
.docx-case {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition);
}
.docx-case:hover { box-shadow: var(--shadow-md); }
.docx-case__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary-soft);
  letter-spacing: -0.01em;
}
.docx-case__grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0.75rem 1.5rem;
}
@media (max-width: 640px) { .docx-case__grid { grid-template-columns: 1fr; gap: 0.375rem 0; } }
.docx-case__label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  padding-top: 0.25rem;
}
.docx-case__value {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.65;
  padding-bottom: 0.875rem;
  border-bottom: 1px dashed var(--color-border);
}
.docx-case__grid > .docx-case__value:last-child,
.docx-case__grid > .docx-case__label:nth-last-child(2) ~ .docx-case__value {
  padding-bottom: 0;
  border-bottom: 0;
}
.docx-case__value code {
  font-family: 'SFMono-Regular', Consolas, ui-monospace, monospace;
  font-size: 0.8125rem;
  background: var(--color-bg-soft);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  color: var(--color-primary);
}

/* =====================================================
   Migration child page — rich content patterns
   ===================================================== */

/* --- Trade-off infographic (Challenges of Holding on...) --- */
.trade-off-grid {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 1.5rem;
  align-items: stretch;
}
.trade-off {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1.5px solid var(--color-border);
}
.trade-off--risk {
  background: linear-gradient(135deg, #FFF5F5 0%, #FFEDED 100%);
  border-color: #FECACA;
}
.trade-off--benefit {
  background: linear-gradient(135deg, #F0F7FF 0%, #E6EEF9 100%);
  border-color: var(--color-primary-soft);
}
.trade-off__header {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(15, 30, 60, 0.08);
}
.trade-off__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  font-weight: 700;
  flex-shrink: 0;
}
.trade-off--risk .trade-off__icon {
  background: rgba(239, 68, 68, 0.15);
  color: #DC2626;
}
.trade-off--benefit .trade-off__icon {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.trade-off__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-text);
  line-height: 1.3;
}
.trade-off__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.trade-off__list li {
  display: flex;
  align-items: start;
  gap: 0.625rem;
  padding: 0.5rem 0;
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.5;
}
.trade-off__list li::before {
  flex-shrink: 0;
  margin-top: 7px;
  width: 6px; height: 6px;
  border-radius: 50%;
  display: block;
}
.trade-off--risk .trade-off__list li::before { background: #DC2626; }
.trade-off--benefit .trade-off__list li::before { background: var(--color-primary); }
.trade-off__arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--color-primary-light);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.trade-off__arrow svg { color: var(--color-primary-light); }
@media (max-width: 880px) {
  .trade-off-grid { grid-template-columns: 1fr; }
  .trade-off__arrow { transform: rotate(90deg); padding: 1rem 0; }
}

/* --- Warning-triangle problem cards --- */
.problem-card--warning {
  position: relative;
  padding-top: 2.5rem;
}
.problem-card__warn-icon {
  position: absolute;
  top: -22px;
  left: 1.75rem;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #FFA94D 0%, #FF6B6B 100%);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 107, 107, 0.35);
}

/* --- AppModernizer 4-Benefit Grid --- */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.benefit-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.benefit-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--gradient-hero);
  opacity: 0.5;
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}
.benefit-card:hover::before { opacity: 1; }
.benefit-card__number {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 0.875rem;
}
.benefit-card__title {
  font-size: 1.1875rem;
  margin-bottom: 0.625rem;
  color: var(--color-text);
}
.benefit-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}
.benefit-card__highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
}
@media (max-width: 768px) { .benefit-grid { grid-template-columns: 1fr; } }

/* --- Test coverage diagram (Venn-like) --- */
.coverage-diagram {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}
.coverage-viz {
  position: relative;
  aspect-ratio: 4 / 3;
  max-width: 520px;
}
.coverage-viz svg { width: 100%; height: 100%; }
.coverage-legend {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.coverage-legend-item {
  display: flex;
  gap: 0.875rem;
  align-items: start;
}
.coverage-legend-item__dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}
.coverage-legend-item__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}
.coverage-legend-item__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
@media (max-width: 880px) {
  .coverage-diagram { grid-template-columns: 1fr; }
  .coverage-viz { margin: 0 auto; }
}

/* --- Comparison Test workflow (3 steps + criterion) --- */
.workflow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
}
.workflow-step {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  position: relative;
}
.workflow-step--success {
  background: linear-gradient(135deg, #0B3D91 0%, #1656B4 100%);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.workflow-step__num {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 0.75rem;
}
.workflow-step--success .workflow-step__num { color: rgba(255, 255, 255, 0.7); }
.workflow-step__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.875rem;
}
.workflow-step--success .workflow-step__icon {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}
.workflow-step__title {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
  color: inherit;
}
.workflow-step--success .workflow-step__title { color: #fff; }
.workflow-step__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  flex: 1;
}
.workflow-step--success .workflow-step__desc { color: rgba(255, 255, 255, 0.92); }
.workflow-step__desc strong { font-weight: 700; }
.workflow-step--success .workflow-step__desc strong { color: #fff; }
.workflow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
}
@media (max-width: 880px) {
  .workflow {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  .workflow-arrow { transform: rotate(90deg); padding: 0.5rem 0; }
}

/* --- UI Migration before/after mockups --- */
.ui-comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: stretch;
  margin-bottom: 2.5rem;
}
.ui-mock {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}
.ui-mock__label {
  padding: 0.625rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.ui-mock--cui .ui-mock__label {
  background: #1a1a1a;
  color: #4ADE80;
}
.ui-mock--gui .ui-mock__label {
  background: var(--color-primary);
  color: #fff;
}
.ui-mock__screen {
  flex: 1;
  padding: 1.25rem;
  font-family: 'SFMono-Regular', Consolas, ui-monospace, monospace;
  font-size: 0.75rem;
  line-height: 1.65;
}
.ui-mock--cui .ui-mock__screen {
  background: #0d1117;
  color: #4ADE80;
  text-shadow: 0 0 8px rgba(74, 222, 128, 0.35);
}
.ui-mock--cui .ui-mock__row {
  margin-bottom: 0.375rem;
  display: flex;
  gap: 1rem;
}
.ui-mock--cui .label { opacity: 0.7; }
.ui-mock--cui .value { color: #fff; }
.ui-mock--cui .cursor::after {
  content: '_';
  animation: cursorBlink 1s steps(2) infinite;
}
@keyframes cursorBlink { 50% { opacity: 0; } }
.ui-mock--gui .ui-mock__screen {
  background: #fff;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
}
.ui-mock--gui .gui-field {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0.625rem;
  align-items: center;
  margin-bottom: 0.625rem;
}
.ui-mock--gui .gui-label {
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.75rem;
}
.ui-mock--gui .gui-input {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.4375rem 0.625rem;
  font-size: 0.8125rem;
  color: var(--color-text);
}
.ui-mock--gui .gui-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.875rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--color-border);
}
.ui-mock--gui .gui-btn {
  padding: 0.4375rem 1rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 0;
}
.ui-mock--gui .gui-btn--primary { background: var(--color-primary); color: #fff; }
.ui-mock--gui .gui-btn--secondary { background: var(--color-bg-soft); color: var(--color-text); border: 1px solid var(--color-border); }

.ui-comparison__arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--color-primary-light);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ui-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}
.ui-benefit {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: var(--color-text);
}
.ui-benefit svg { color: var(--color-primary); flex-shrink: 0; }
@media (max-width: 880px) {
  .ui-comparison { grid-template-columns: 1fr; }
  .ui-comparison__arrow { transform: rotate(90deg); padding: 0.5rem 0; }
  .ui-benefits { grid-template-columns: 1fr; }
}

/* --- Performance architecture diagrams --- */
.arch-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.arch {
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1.5px solid var(--color-border);
  background: #fff;
}
.arch--bad {
  background: linear-gradient(135deg, #FFF5F5 0%, #FFEDED 100%);
  border-color: #FECACA;
}
.arch--good {
  background: linear-gradient(135deg, #F0F7FF 0%, #E6EEF9 100%);
  border-color: var(--color-primary-soft);
}
.arch__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}
.arch--bad .arch__label { background: rgba(239, 68, 68, 0.15); color: #DC2626; }
.arch--good .arch__label { background: var(--color-primary-soft); color: var(--color-primary); }
.arch__diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.arch__node {
  width: 100%;
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}
.arch__node small {
  display: block;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  letter-spacing: 0;
  text-transform: none;
}
.arch__node--bottleneck {
  background: rgba(239, 68, 68, 0.08);
  border-color: #DC2626;
  color: #DC2626;
}
.arch__node--bottleneck small { color: #DC2626; opacity: 0.85; }
.arch__node--optimized {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-color: var(--color-primary);
  color: #fff;
}
.arch__node--optimized small { color: rgba(255, 255, 255, 0.9); }
.arch__arrow {
  color: var(--color-primary-light);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
}
.arch__caption {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}
@media (max-width: 768px) {
  .arch-comparison { grid-template-columns: 1fr; }
}

/* --- Data Migration checklist --- */
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.checklist-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: start;
  transition: all var(--transition);
}
.checklist-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}
.checklist-card__icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-hero);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(11, 61, 145, 0.25);
}
.checklist-card__title {
  font-size: 1rem;
  margin-bottom: 0.375rem;
}
.checklist-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
@media (max-width: 768px) { .checklist-grid { grid-template-columns: 1fr; } }

/* --- Catch-up flow (Specification changes during migration) --- */
.catchup-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 1rem;
  align-items: stretch;
}
.catchup-step {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
}
.catchup-step__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
}
.catchup-step__title {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.catchup-step__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  flex: 1;
}
.catchup-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-light);
}
@media (max-width: 880px) {
  .catchup-flow { grid-template-columns: 1fr; }
  .catchup-arrow { transform: rotate(90deg); padding: 0.5rem 0; }
}

/* --- Detailed migration case cards (5 cases) --- */
.case-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.case-detail-grid > article:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}
.case-detail-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.case-detail-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}
.case-detail-card__header { margin-bottom: 1rem; }
.case-detail-card__industry {
  display: inline-flex;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.625rem;
}
.case-detail-card__title {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.case-detail-card__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.625rem;
  margin: 0 0 1.25rem;
  padding: 1rem;
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
}
.case-detail-card__stats > div { text-align: center; }
.case-detail-card__stats dt {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.case-detail-card__stats dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--color-primary);
}
.case-detail-card__stack {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--color-border);
}
.case-detail-card__stack-item {
  font-size: 0.8125rem;
  font-family: 'SFMono-Regular', Consolas, ui-monospace, monospace;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.case-detail-card__stack-item strong {
  color: var(--color-primary);
  font-weight: 600;
}
@media (max-width: 768px) {
  .case-detail-grid { grid-template-columns: 1fr; }
  .case-detail-card__stats { grid-template-columns: 1fr 1fr 1fr; gap: 0.5rem; padding: 0.875rem; }
  .case-detail-card__stats dd { font-size: 0.9375rem; }
}

/* --- Migration child page: section eyebrow card --- */
.section-intro {
  max-width: 760px;
  margin: 0 auto 3rem;
  text-align: center;
}

/* --- Sticky pattern sub-navigation (between pages) --- */
.pattern-tabs {
  position: sticky;
  top: 76px;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 0 rgba(15, 30, 60, 0.02);
}
.pattern-tabs__inner {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  min-height: 56px;
}
.pattern-tabs__home {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  flex-shrink: 0;
}
.pattern-tabs__home:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}
.pattern-tabs__home svg { color: currentColor; }
.pattern-tabs__divider {
  flex-shrink: 0;
  width: 1px;
  height: 24px;
  background: var(--color-border);
}
.pattern-tabs__scroll {
  display: flex;
  gap: 0.375rem;
  overflow-x: auto;
  flex: 1;
  min-width: 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.pattern-tabs__scroll::-webkit-scrollbar { display: none; }
.pattern-tab {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: all var(--transition);
  border: 1px solid transparent;
  flex-shrink: 0;
}
.pattern-tab:hover {
  color: var(--color-primary);
  background: var(--color-bg-soft);
  border-color: var(--color-border);
}
.pattern-tab.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(11, 61, 145, 0.2);
}
.pattern-tab.active:hover { color: #fff; background: var(--color-primary); }
@media (max-width: 768px) {
  .pattern-tabs__home span { display: none; }
  .pattern-tabs__inner { gap: 0.5rem; padding-left: 1rem; padding-right: 1rem; }
  .pattern-tab { padding: 0.4375rem 0.875rem; font-size: 0.8125rem; }
}

/* --- Tech stack matrix table --- */
.tech-matrix {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.tech-matrix__title {
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.01em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.tech-matrix__title .tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.625rem;
  background: rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-full);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tech-matrix table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}
.tech-matrix th {
  text-align: left;
  padding: 0.875rem 1.5rem;
  background: var(--color-bg-soft);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  border-bottom: 1px solid var(--color-border);
}
.tech-matrix td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
  color: var(--color-text);
}
.tech-matrix tr:last-child td { border-bottom: 0; }
.tech-matrix tr:hover td { background: rgba(46, 134, 222, 0.04); }
.tech-matrix td:first-child {
  color: var(--color-text-muted);
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.875rem;
}
.tech-matrix td:last-child {
  color: var(--color-primary);
  font-weight: 600;
}
.tech-matrix__arrow {
  width: 36px;
  padding: 1rem 0.5rem;
  text-align: center;
  color: var(--color-primary-light);
}
@media (max-width: 640px) {
  .tech-matrix th, .tech-matrix td { padding: 0.75rem 1rem; font-size: 0.875rem; }
}

/* --- Comparison cards (Straight Conversion vs AppModernizer) --- */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  position: relative;
}
.compare-grid::before {
  content: 'VS';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  z-index: 1;
  letter-spacing: 0.05em;
}
.compare-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--color-border);
}
.compare-card--bad {
  background: linear-gradient(135deg, #FFF5F5 0%, #FFEDED 100%);
  border-color: #FECACA;
}
.compare-card--good {
  background: linear-gradient(135deg, #F0F7FF 0%, #E6EEF9 100%);
  border-color: var(--color-primary-soft);
}
.compare-card__label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}
.compare-card--bad .compare-card__label {
  background: rgba(239, 68, 68, 0.12);
  color: #DC2626;
}
.compare-card--good .compare-card__label {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}
.compare-card__title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}
.compare-card__list { list-style: none; padding: 0; margin: 0; }
.compare-card__list li {
  display: flex;
  align-items: start;
  gap: 0.625rem;
  padding: 0.5rem 0;
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.5;
}
.compare-card__list li::before {
  flex-shrink: 0;
  margin-top: 2px;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.compare-card--bad .compare-card__list li::before {
  content: '×';
  background: #FECACA;
  color: #DC2626;
}
.compare-card--good .compare-card__list li::before {
  content: '✓';
  background: var(--color-primary);
  color: #fff;
  font-size: 0.625rem;
}
@media (max-width: 768px) {
  .compare-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .compare-grid::before { display: none; }
}

/* --- Feature highlight cards (AppModernizer features) --- */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.feature-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: start;
}
.feature-item__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.feature-item__title {
  font-size: 1rem;
  margin-bottom: 0.375rem;
}
.feature-item__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}
@media (max-width: 768px) { .feature-list { grid-template-columns: 1fr; } }

/* --- Code sample window --- */
.code-window {
  background: #0F1B2D;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.code-pane { padding: 1.5rem; position: relative; }
.code-pane--left { background: #0F1B2D; border-right: 1px solid rgba(255,255,255,0.08); }
.code-pane--right { background: #0B1F38; }
.code-pane__label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: rgba(255,255,255,0.55);
  margin-bottom: 1rem;
}
.code-pane--right .code-pane__label { color: var(--color-primary-light); }
.code-pane pre {
  margin: 0;
  font-family: 'SFMono-Regular', Consolas, ui-monospace, monospace;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: rgba(255,255,255,0.85);
  white-space: pre-wrap;
  word-break: break-word;
}
.code-pane--left pre { color: rgba(255,255,255,0.55); }
.code-pane--right pre { color: rgba(255,255,255,0.92); }
@media (max-width: 768px) { .code-window { grid-template-columns: 1fr; } }

/* --- Case mini list --- */
.case-mini-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.case-mini {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}
.case-mini__industry {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.case-mini__title {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.case-mini__stack {
  font-size: 0.8125rem;
  font-family: 'SFMono-Regular', Consolas, monospace;
  color: var(--color-text-muted);
  line-height: 1.5;
}
@media (max-width: 768px) { .case-mini-list { grid-template-columns: 1fr; } }

/* --- Pitfalls / why migrate strip --- */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.problem-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}
.problem-card__num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: 0.75rem;
}
.problem-card__title {
  font-size: 1.0625rem;
  margin-bottom: 0.5rem;
}
.problem-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
@media (max-width: 880px) { .problems-grid { grid-template-columns: 1fr; } }

/* --- Animations --- */
@media (prefers-reduced-motion: no-preference) {
  .fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Pattern matrix (conversion tables) --- */
.pattern-matrix {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.9375rem;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.pattern-matrix thead th {
  background: var(--color-primary);
  color: #fff;
  text-align: left;
  font-weight: 700;
  padding: 0.875rem 1rem;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.pattern-matrix tbody td,
.pattern-matrix tbody th {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  vertical-align: middle;
  text-align: left;
}
.pattern-matrix tbody th.pattern-matrix__group {
  background: #F5F8FC;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-right: 1px solid var(--color-border);
  vertical-align: middle;
  white-space: nowrap;
  width: 1%;
}
.pattern-matrix tbody tr:first-child td,
.pattern-matrix tbody tr:first-child th { border-top: 0; }
.pattern-matrix tbody td a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.pattern-matrix tbody td a:hover { color: var(--color-primary-light); }
@media (max-width: 768px) {
  .pattern-matrix { font-size: 0.875rem; }
  .pattern-matrix thead th,
  .pattern-matrix tbody td,
  .pattern-matrix tbody th { padding: 0.625rem 0.75rem; }
}

/* --- Profile table (corporate info) --- */
.profile-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.9375rem;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.profile-table tbody th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  text-align: left;
  padding: 0.875rem 1rem;
  vertical-align: top;
  width: 30%;
  font-size: 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.profile-table tbody td {
  padding: 0.875rem 1rem;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.65;
}
.profile-table tbody tr:last-child th,
.profile-table tbody tr:last-child td { border-bottom: 0; }
@media (max-width: 640px) {
  .profile-table,
  .profile-table tbody,
  .profile-table tbody tr,
  .profile-table tbody th,
  .profile-table tbody td { display: block; width: 100%; }
  .profile-table tbody th { padding: 0.625rem 0.875rem; }
  .profile-table tbody td { padding: 0.75rem 0.875rem 1rem; }
}

/* --- Certification cards --- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 920px;
  margin: 0 auto;
}
.cert-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.cert-card__image {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 140px;
  margin-bottom: 1.25rem;
}
.cert-card__image img {
  max-height: 130px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
}
.cert-card__title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  line-height: 1.4;
}
.cert-card__body p {
  font-size: 0.8125rem;
  color: var(--color-text-soft);
  line-height: 1.6;
  margin: 0;
}
@media (max-width: 900px) {
  .cert-grid { grid-template-columns: 1fr; max-width: 480px; }
}

/* --- Feature cards (AppModernizer Features grid) --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.feature-card {
  background: #ECECEC;
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.75rem 1.5rem;
  border: 1px solid rgba(0, 0, 0, 0.04);
}
.feature-card__title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin: 0 0 1rem;
  letter-spacing: 0.01em;
}
.feature-card__lead {
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.6;
  margin: 0 0 1.25rem;
}
.feature-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.feature-card__list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.8125rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}
.feature-card__list li::before {
  content: '・';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-text);
}
.feature-card__list li:last-child {
  margin-bottom: 0;
}
@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; gap: 1rem; }
  .feature-card { padding: 1.5rem 1.25rem 1.25rem; }
  .feature-card__title { font-size: 1rem; }
}

/* --- Portfolio table (achievement subpages) --- */
.portfolio-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.8125rem;
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.portfolio-table thead th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  text-align: left;
  padding: 0.875rem 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.portfolio-table tbody td {
  padding: 0.875rem 0.75rem;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.55;
}
.portfolio-table tbody tr:nth-child(even) td { background: #FAFBFC; }
.portfolio-table tbody tr:last-child td { border-bottom: 0; }
.portfolio-table tbody td:first-child {
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  width: 3rem;
}

/* --- Legal pages (privacy / terms) --- */
.legal-meta {
  font-size: 0.875rem;
  color: var(--color-text-soft);
  letter-spacing: 0.04em;
}
.legal-prose {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-text);
}
.legal-prose p {
  margin: 0 0 1rem;
}
.legal-prose a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  word-break: break-word;
}
.legal-prose a:hover { color: var(--color-primary-light); }
.legal-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 2rem 0 0.875rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-primary);
  line-height: 1.3;
}
.legal-heading:first-child { margin-top: 0; }
.legal-subheading {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 1.5rem 0 0.625rem;
}
.legal-list {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}
.legal-list li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

/* --- A11y --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}