@font-face {
  font-family: "Noto Serif SC";
  src: url("../fonts/NotoSerifSC-600.ttf") format("truetype");
  font-display: swap;
  font-weight: 600;
}

@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist-400.ttf") format("truetype");
  font-display: swap;
  font-weight: 400;
}

@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist-500.ttf") format("truetype");
  font-display: swap;
  font-weight: 500;
}

@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist-600.ttf") format("truetype");
  font-display: swap;
  font-weight: 600;
}

@font-face {
  font-family: "Geist Mono";
  src: url("../fonts/GeistMono-400.ttf") format("truetype");
  font-display: swap;
  font-weight: 400;
}

:root {
  --background: #fbfaf7;
  --foreground: #11161f;
  --card: #ffffff;
  --primary: #1f5ed9;
  --primary-foreground: #fdfcf8;
  --secondary: #f4f2ec;
  --muted: #5d636f;
  --accent: #b77610;
  --border: rgba(17, 22, 31, 0.09);
  --primary-06: rgba(31, 94, 217, 0.06);
  --primary-10: rgba(31, 94, 217, 0.1);
  --primary-20: rgba(31, 94, 217, 0.2);
  --green: #248661;
  --max-width: 1180px;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--background);
}

body {
  margin: 0;
  color: var(--foreground);
  background:
    radial-gradient(circle at 80% 8%, rgba(31, 94, 217, 0.08), transparent 25rem),
    var(--background);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--primary-20);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  border-radius: 13px;
  color: #fff;
  background: var(--primary);
  transform: translateY(-160%);
  transition: transform 140ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(17, 22, 31, 0.06);
  background: rgba(251, 250, 247, 0.86);
  backdrop-filter: blur(20px);
}

.nav-shell,
.section,
.footer-shell {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.nav-shell {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 13px;
  color: var(--primary-foreground);
  background: var(--primary);
  box-shadow: 0 8px 20px rgba(31, 94, 217, 0.16);
  font-family: var(--serif);
  font-size: 19px;
}

.brand-text {
  display: grid;
  line-height: 1.1;
}

.brand-text strong {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.brand-text small {
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  transition: color 140ms ease, background 140ms ease, transform 140ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--foreground);
  background: var(--primary-06);
}

.nav-links a:active,
.button:active,
.text-link:active {
  transform: scale(0.98);
}

.nav-links .language-link {
  margin-left: 6px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--card);
  cursor: pointer;
}

.menu-button span,
.menu-button::before,
.menu-button::after {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 2px;
  background: var(--foreground);
  content: "";
  transition: transform 140ms ease, opacity 140ms ease;
}

.menu-button[aria-expanded="true"] span {
  opacity: 0;
}

.menu-button[aria-expanded="true"]::before {
  transform: translateY(6px) rotate(45deg);
}

.menu-button[aria-expanded="true"]::after {
  transform: translateY(-6px) rotate(-45deg);
}

main {
  overflow: hidden;
}

.section {
  padding-block: 96px;
}

.section.compact {
  padding-block: 64px;
}

.hero {
  display: grid;
  min-height: 660px;
  align-items: center;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(48px, 8vw, 96px);
  padding-block: 80px 96px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 1px;
  background: currentColor;
  content: "";
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: var(--serif);
  font-weight: 600;
  text-wrap: balance;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.22;
  letter-spacing: -0.03em;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.hero-copy > p,
.section-heading > p,
.lead {
  max-width: 700px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 140ms ease, box-shadow 220ms ease, background 140ms ease;
}

.button.primary {
  color: var(--primary-foreground);
  background: var(--primary);
  box-shadow: 0 12px 26px rgba(31, 94, 217, 0.18);
}

.button.primary:hover {
  box-shadow: 0 16px 32px rgba(31, 94, 217, 0.24);
}

.button.secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.78);
}

.button.secondary:hover {
  background: var(--card);
}

.hero-visual {
  position: relative;
  min-height: 480px;
}

.radar-card {
  position: absolute;
  inset: 4% 0 0 8%;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 35px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 28px 70px rgba(31, 94, 217, 0.1);
}

.radar-grid {
  position: absolute;
  inset: 0;
  opacity: 0.65;
  background-image:
    linear-gradient(rgba(31, 94, 217, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 94, 217, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(to bottom right, #000, transparent 76%);
}

.radar-ring,
.radar-ring::before,
.radar-ring::after {
  position: absolute;
  border: 1px solid rgba(31, 94, 217, 0.18);
  border-radius: 50%;
  content: "";
}

.radar-ring {
  width: 280px;
  height: 280px;
  top: 70px;
  right: 45px;
}

.radar-ring::before {
  inset: 40px;
}

.radar-ring::after {
  inset: 88px;
}

.flight-line {
  position: absolute;
  width: 270px;
  height: 150px;
  top: 142px;
  right: 56px;
  border-top: 2px solid var(--primary);
  border-radius: 50%;
  transform: rotate(-17deg);
}

.flight-line::after {
  position: absolute;
  width: 12px;
  height: 12px;
  top: -7px;
  right: 18px;
  border: 4px solid var(--card);
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 7px var(--primary-10);
  content: "";
}

.visual-note {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.visual-note strong {
  display: block;
  max-width: 250px;
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.4;
}

.visual-note span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.signal-chip {
  position: absolute;
  display: grid;
  min-width: 112px;
  min-height: 78px;
  place-content: center;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--card);
  box-shadow: 0 12px 28px rgba(31, 94, 217, 0.09);
  text-align: center;
}

.signal-chip strong {
  color: var(--primary);
  font-family: var(--serif);
  font-size: 19px;
}

.signal-chip span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.signal-chip.one {
  top: 0;
  right: -18px;
}

.signal-chip.two {
  left: -8px;
  bottom: -28px;
}

.stats-strip {
  display: grid;
  border-block: 1px solid var(--border);
  grid-template-columns: repeat(3, 1fr);
}

.stat {
  padding: 30px 26px;
  text-align: center;
}

.stat + .stat {
  border-left: 1px solid var(--border);
}

.stat strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: 22px;
}

.stat span {
  color: var(--muted);
  font-size: 13px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 42px;
}

.section-heading > div:first-child {
  max-width: 760px;
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  flex: none;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  transition: transform 140ms ease;
}

.text-link::after {
  content: "→";
}

.pillars,
.project-grid,
.contact-grid,
.legal-grid,
.content-grid {
  display: grid;
  gap: 20px;
}

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

.pillar,
.project-card,
.info-card,
.content-card {
  border: 1px solid var(--border);
  border-radius: 29px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 12px 32px rgba(31, 94, 217, 0.045);
}

.pillar {
  padding: 30px;
}

.number-chip,
.icon-chip {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 16px;
  color: var(--primary);
  background: var(--primary-10);
  font-family: var(--mono);
  font-size: 12px;
}

.pillar p,
.project-card p,
.info-card p,
.content-card p,
.prose p,
.prose li {
  color: var(--muted);
}

.project-grid {
  grid-template-columns: repeat(2, 1fr);
}

.project-card {
  position: relative;
  display: flex;
  min-height: 560px;
  overflow: hidden;
  flex-direction: column;
  padding: 38px;
}

.project-card.featured {
  background:
    radial-gradient(circle at 100% 0, rgba(31, 94, 217, 0.14), transparent 52%),
    var(--card);
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.status {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 7px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--primary);
  background: var(--primary-10);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
}

.status::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.project-index {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.project-card h3 {
  font-size: 30px;
}

.project-card .project-name-en {
  margin-top: -4px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 26px;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--muted);
  background: var(--secondary);
  font-size: 12px;
}

.project-card .text-link {
  margin-top: auto;
  align-self: flex-start;
}

.project-art {
  position: relative;
  height: 180px;
  margin: 8px 0 20px;
  border-radius: 22px;
  background: var(--primary-06);
}

.icao-art {
  display: grid;
  place-items: center;
}

.icao-art img {
  width: 106px;
  height: 106px;
  border-radius: 29px;
  box-shadow: 0 18px 34px rgba(31, 94, 217, 0.2);
}

.check-table {
  position: absolute;
  inset: 24px;
  overflow: hidden;
  border: 1px solid var(--primary-20);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.86);
}

.check-row {
  display: grid;
  min-height: 33px;
  align-items: center;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
  grid-template-columns: 1.2fr 0.8fr 28px;
  gap: 10px;
}

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

.check-row span {
  height: 5px;
  border-radius: 5px;
  background: rgba(17, 22, 31, 0.1);
}

.check-row i {
  display: grid;
  width: 17px;
  height: 17px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--green);
  font-family: var(--sans);
  font-size: 10px;
  font-style: normal;
}

.about-band {
  position: relative;
  overflow: hidden;
  border-radius: 35px;
  color: #fff;
  background: #13284f;
}

.about-band::after {
  position: absolute;
  width: 380px;
  height: 380px;
  top: -160px;
  right: -80px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(255, 255, 255, 0.035), 0 0 0 140px rgba(255, 255, 255, 0.02);
  content: "";
}

.about-band-inner {
  position: relative;
  z-index: 1;
  display: grid;
  padding: clamp(38px, 7vw, 76px);
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.about-band .eyebrow {
  color: #8eb5ff;
}

.about-band h2 {
  max-width: 550px;
}

.about-band p {
  color: rgba(255, 255, 255, 0.72);
}

.principles {
  display: grid;
  gap: 14px;
}

.principle {
  display: grid;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  grid-template-columns: 28px 1fr;
  gap: 12px;
}

.principle b {
  color: #8eb5ff;
  font-family: var(--mono);
  font-size: 11px;
}

.principle strong {
  display: block;
  margin-bottom: 3px;
}

.principle span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
}

.contact-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.info-card,
.content-card {
  padding: 32px;
}

.contact-list,
.detail-list {
  display: grid;
  margin: 0;
  gap: 0;
}

.contact-row,
.detail-row {
  display: grid;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  grid-template-columns: 140px 1fr;
  gap: 20px;
}

.contact-row:last-child,
.detail-row:last-child {
  border-bottom: 0;
}

.contact-row dt,
.detail-row dt {
  color: var(--muted);
  font-size: 13px;
}

.contact-row dd,
.detail-row dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.contact-row a {
  color: var(--primary);
  font-weight: 500;
}

.notice {
  padding: 24px;
  border-left: 3px solid var(--accent);
  border-radius: 0 16px 16px 0;
  color: var(--muted);
  background: rgba(183, 118, 16, 0.06);
  font-size: 14px;
}

.page-hero {
  max-width: 860px;
  padding-block: 100px 64px;
}

.page-hero h1 {
  font-size: clamp(42px, 6vw, 68px);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb span::before {
  margin-right: 8px;
  color: rgba(17, 22, 31, 0.28);
  content: "/";
}

.content-grid {
  grid-template-columns: 0.85fr 1.15fr;
}

.content-grid.reverse {
  grid-template-columns: 1.15fr 0.85fr;
}

.prose {
  max-width: 780px;
}

.prose h2 {
  margin-top: 56px;
  font-size: 30px;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: 32px;
}

.prose ul {
  padding-left: 1.2em;
}

.prose li + li {
  margin-top: 8px;
}

.legal-grid {
  grid-template-columns: repeat(2, 1fr);
}

.highlight-card {
  border-color: var(--primary-20);
  background: var(--primary-06);
}

.project-masthead {
  display: grid;
  align-items: center;
  padding-block: 88px 72px;
  grid-template-columns: 1fr 0.82fr;
  gap: 72px;
}

.project-masthead .project-art {
  height: 340px;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 35px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 24px 60px rgba(31, 94, 217, 0.08);
}

.project-masthead .icao-art img {
  width: 150px;
  height: 150px;
  border-radius: 35px;
}

.project-masthead .check-table {
  inset: 52px 38px;
}

.capability-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.capability-list li {
  position: relative;
  padding: 20px 20px 20px 50px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
}

.capability-list li::before {
  position: absolute;
  width: 20px;
  height: 20px;
  top: 22px;
  left: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--primary);
  background: var(--primary-10);
  content: "·";
  font-weight: 700;
}

.capability-list strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--serif);
}

.capability-list span {
  color: var(--muted);
  font-size: 13px;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.product-gallery figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--card);
  box-shadow: 0 18px 44px rgba(31, 94, 217, 0.08);
}

.product-gallery img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--border);
}

.product-gallery figcaption {
  padding: 16px 18px 18px;
  color: var(--muted);
  font-size: 13px;
}

.workflow-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.workflow-list li {
  min-height: 190px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--card);
}

.workflow-list b {
  display: block;
  margin-bottom: 32px;
  color: var(--primary);
  font-family: var(--mono);
  font-size: 12px;
}

.workflow-list strong,
.workflow-list span {
  display: block;
}

.workflow-list strong {
  margin-bottom: 8px;
  font-family: var(--serif);
}

.workflow-list span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 900px) {
  .workflow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .product-gallery,
  .workflow-list {
    grid-template-columns: 1fr;
  }

  .workflow-list li {
    min-height: auto;
  }
}

.error-page {
  display: grid;
  min-height: calc(100vh - 76px);
  place-items: center;
  padding: 60px 20px;
}

.error-card {
  max-width: 680px;
  padding: 56px;
  border: 1px solid var(--border);
  border-radius: 35px;
  background: var(--card);
  box-shadow: 0 24px 60px rgba(31, 94, 217, 0.08);
  text-align: center;
}

.error-code {
  color: var(--primary);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.error-card h1 {
  margin-block: 16px;
  font-size: clamp(38px, 6vw, 62px);
}

.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--border);
}

.footer-shell {
  padding-block: 56px 36px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 60px;
}

.footer-identity p {
  max-width: 560px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.footer-nav strong {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
}

.footer-nav a {
  display: block;
  width: fit-content;
  min-height: 32px;
  color: var(--muted);
  font-size: 13px;
}

.footer-nav a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 30px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
}

.footer-bottom p {
  max-width: 760px;
  margin: 0;
}

@media (max-width: 960px) {
  .hero,
  .project-masthead,
  .content-grid,
  .content-grid.reverse,
  .contact-grid,
  .about-band-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 68px;
  }

  .hero-visual {
    min-height: 430px;
  }

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

  .project-card {
    min-height: 500px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav-shell,
  .section,
  .footer-shell {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .nav-shell {
    min-height: 68px;
  }

  .menu-button {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    padding: 14px;
    border-bottom: 1px solid var(--border);
    background: rgba(251, 250, 247, 0.98);
    box-shadow: 0 18px 32px rgba(17, 22, 31, 0.08);
    flex-direction: column;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    justify-content: center;
  }

  .nav-links .language-link {
    margin-left: 0;
  }

  .section {
    padding-block: 72px;
  }

  .section.compact {
    padding-block: 48px;
  }

  .hero {
    min-height: 0;
    padding-block: 64px 72px;
  }

  h1 {
    font-size: clamp(40px, 12vw, 58px);
  }

  .hero-copy > p,
  .section-heading > p,
  .lead {
    font-size: 16px;
  }

  .hero-visual {
    min-height: 370px;
  }

  .radar-card {
    inset: 0 0 10px;
  }

  .radar-ring {
    width: 230px;
    height: 230px;
    top: 50px;
    right: 12px;
  }

  .flight-line {
    width: 220px;
    right: 18px;
  }

  .signal-chip.one {
    top: -12px;
    right: -8px;
  }

  .signal-chip.two {
    left: -8px;
    bottom: -24px;
  }

  .visual-note strong {
    max-width: 180px;
    font-size: 17px;
  }

  .stats-strip,
  .pillars,
  .legal-grid,
  .capability-list {
    grid-template-columns: 1fr;
  }

  .stat + .stat {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .project-card {
    min-height: 0;
    padding: 28px;
  }

  .about-band-inner {
    padding: 34px 26px;
    gap: 36px;
  }

  .contact-row,
  .detail-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-hero,
  .project-masthead {
    padding-block: 70px 48px;
  }

  .project-masthead {
    gap: 40px;
  }

  .project-masthead .project-art {
    height: 280px;
  }

  .footer-nav {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .error-card {
    padding: 36px 24px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}