:root {
  --bg: #f8f7f3;
  --surface: #ffffff;
  --ink: #161616;
  --muted: #62605a;
  --soft: #efede6;
  --line: #dedbd1;
  --accent: #0f766e;
  --accent-2: #b45309;
  --accent-3: #4338ca;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.72;
}

img,
video,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-color: rgba(22, 22, 22, 0.32);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

button {
  font: inherit;
}

.site-header,
.site-footer,
main {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--accent);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.25;
}

.brand small,
.site-nav,
.site-footer,
.eyebrow,
.section-index,
.route-card span,
.case-card span,
.doc-card span,
.article-item span {
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.95rem;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 14px 18px;
}

.language-switch {
  display: inline-grid;
  min-width: 44px;
  min-height: 34px;
  place-items: center;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
}

.language-switch:hover {
  border-color: rgba(15, 118, 110, 0.42);
  background: var(--soft);
}

.site-nav [aria-current="page"] {
  color: var(--accent);
  font-weight: 700;
  text-decoration-thickness: 2px;
}

.desktop-home {
  display: grid;
  gap: 34px;
  padding: 54px 0 72px;
}

.mobile-focus {
  display: none;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1fr);
  gap: 42px;
  align-items: center;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.hero-panel-single {
  grid-template-columns: minmax(0, 760px);
  justify-content: center;
}

.hero-copy,
.page-hero,
.stack-list,
.timeline,
.article-list,
.doc-grid,
.case-grid,
.stack-columns,
.media-list {
  display: grid;
  gap: 18px;
}

.eyebrow,
.section-index {
  margin: 0;
  font-size: 0.88rem;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 4.2rem;
  line-height: 0.98;
}

html[lang="en"] .page-home .hero-copy h1 {
  font-size: 3.8rem;
  line-height: 1.04;
}

h2 {
  font-size: 1.8rem;
  line-height: 1.22;
}

h3 {
  font-size: 1.12rem;
  line-height: 1.35;
}

.lead {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.15rem;
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.text-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.text-action::after {
  content: "↗";
  color: var(--accent);
  font-size: 0.86em;
}

.video-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111111;
}

.intro-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #111111;
  object-fit: contain;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.platform-grid-split {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.platform-link,
.route-card,
.case-card,
.doc-card,
.article-item,
.line-item,
.contact-band,
.stack-columns article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.platform-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 88px;
  padding: 16px;
  text-decoration: none;
}

button.platform-link {
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.platform-link strong,
.platform-link small {
  display: block;
}

.platform-link small {
  color: var(--muted);
  font-size: 0.86rem;
}

.icon-wrap {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  overflow: hidden;
  border-radius: 8px;
  background: var(--soft);
  color: var(--accent);
  transition: transform 160ms ease, color 160ms ease;
}

.icon-wrap svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-wrap::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid currentColor;
  border-radius: 6px;
  opacity: 0.16;
  transform: scale(0.86);
  transition: transform 180ms ease, opacity 180ms ease;
}

.platform-link:hover .icon-wrap {
  color: var(--accent-2);
  transform: translateY(-2px) rotate(-3deg);
}

.platform-link:hover .icon-wrap::after {
  opacity: 0.28;
  transform: scale(1);
}

.copy-link.is-copied,
.copy-action.is-copied,
.footer-copy.is-copied {
  color: var(--accent);
}

.copy-link.is-copied {
  border-color: rgba(15, 118, 110, 0.42);
}

.copy-action,
.footer-copy {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.copy-action {
  padding: 0;
  color: inherit;
}

.copy-action::after {
  display: none;
}

.footer-copy {
  padding: 0;
  color: inherit;
  text-decoration-line: underline;
  text-decoration-color: rgba(22, 22, 22, 0.32);
  text-underline-offset: 0.18em;
}

.footer-copy:hover {
  color: var(--accent);
}

.icon-in {
  color: var(--accent-3);
}

.icon-mail {
  color: var(--accent-2);
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.route-card {
  display: grid;
  gap: 10px;
  min-height: 164px;
  padding: 20px;
  text-decoration: none;
}

.route-card strong {
  font-size: 1.25rem;
}

.route-card small {
  color: var(--muted);
  font-size: 0.96rem;
}

.content-page {
  display: grid;
  gap: 42px;
  padding: 54px 0 72px;
}

.page-hero {
  max-width: 780px;
}

.page-hero h1 {
  font-size: 3.2rem;
}

.split-section {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 42px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.line-item,
.case-card,
.doc-card,
.article-item,
.contact-band,
.stack-columns article {
  padding: 20px;
}

.line-item {
  display: grid;
  gap: 8px;
}

.line-item p,
.line-item li,
.case-card p,
.case-card li,
.doc-card p,
.article-item p,
.stack-columns p,
.media-row p {
  color: var(--muted);
}

.line-item ul,
.case-card ul,
.tag-list {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.line-item li,
.case-card li {
  position: relative;
  padding-left: 1.1em;
}

.line-item li::before,
.case-card li::before {
  content: "-";
  position: absolute;
  left: 0;
}

.case-grid,
.doc-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card,
.doc-card,
.article-item {
  display: grid;
  gap: 12px;
}

.case-card span,
.doc-card span,
.article-item span,
.route-card span {
  font-size: 0.88rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list li {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--muted);
  font-size: 0.92rem;
}

.stack-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.photo-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
}

.photo-strip img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
}

.media-row {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.media-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.media-row img {
  width: 148px;
  aspect-ratio: 1;
  border-radius: 8px;
  object-fit: cover;
}

.article-list {
  gap: 14px;
}

.contact-band {
  display: grid;
  gap: 14px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  padding: 24px 0 42px;
  border-top: 1px solid var(--line);
}

@media (max-width: 920px) {
  h1 {
    font-size: 3.2rem;
  }

  .hero-panel,
  .split-section,
  .case-grid,
  .doc-grid,
  .stack-columns,
  .platform-grid,
  .route-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    padding: 24px;
  }

}

@media (max-width: 720px) {
  body.page-home {
    min-height: 100svh;
    background: #10100f;
    color: #f7f5ee;
  }

  .page-home .site-header,
  .page-home .desktop-home,
  .page-home .site-footer {
    display: none;
  }

  .page-home main {
    width: min(100% - 24px, 480px);
  }

  .mobile-focus {
    display: grid;
    gap: 18px;
    min-height: 100svh;
    align-content: center;
    padding: 24px 0;
  }

  .mobile-focus h1 {
    font-size: 2.4rem;
  }

  html[lang="en"] .mobile-focus h1 {
    font-size: 2.15rem;
    line-height: 1.08;
  }

  .mobile-language {
    justify-self: start;
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.08);
    color: #f7f5ee;
  }

  .mobile-focus .eyebrow {
    color: #b8b4aa;
  }

  .mobile-focus .video-shell {
    border-color: rgba(255, 255, 255, 0.18);
  }

  .compact {
    grid-template-columns: 1fr 1fr;
  }

  .compact .platform-link {
    min-height: 78px;
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    color: #f7f5ee;
  }

  .compact .icon-wrap {
    background: rgba(255, 255, 255, 0.1);
  }

  .site-header,
  .site-footer,
  main {
    width: min(100% - 28px, var(--max));
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .site-nav {
    gap: 12px;
  }

  .content-page {
    padding-top: 28px;
  }

  .page-hero h1 {
    font-size: 2.5rem;
  }

  .lead {
    font-size: 1.02rem;
  }

  .split-section {
    gap: 20px;
  }

  .photo-strip {
    grid-template-columns: 1fr;
  }

  .media-row {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .media-row img {
    width: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}