:root {
  --ink: #07111f;
  --ink-2: #0d1a2c;
  --paper: #f6f9fc;
  --muted: #66758a;
  --line: rgba(255, 255, 255, 0.16);
  --line-dark: rgba(7, 17, 31, 0.12);
  --cyan: #5eead4;
  --blue: #5ca8ff;
  --amber: #f6c65b;
  --green: #7ddf9b;
  --red: #ff7d7d;
  --white: #ffffff;
  --max: clamp(1180px, 78vw, 1500px);
  --header: 72px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  line-height: 1.7;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.site-shell {
  min-height: 100svh;
  background:
    linear-gradient(180deg, rgba(92, 168, 255, 0.12), transparent 380px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 120px),
    var(--ink);
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 17, 31, 0.72);
  backdrop-filter: blur(18px);
}

.nav-bar {
  width: min(var(--max), calc(100% - 40px));
  min-height: var(--header);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(94, 234, 212, 0.48);
  color: var(--cyan);
  background: rgba(94, 234, 212, 0.1);
}

.brand small {
  display: block;
  color: #9fb1c5;
  font-size: 12px;
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  color: #dce8f5;
  text-decoration: none;
  font-size: 14px;
  border: 1px solid transparent;
}

.nav-link:hover,
.nav-link.is-active {
  border-color: rgba(94, 234, 212, 0.44);
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  display: none;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  width: 18px;
  height: 2px;
  display: block;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle span {
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-toggle span::before {
  top: -6px;
}

.menu-toggle span::after {
  top: 6px;
}

.menu-open .menu-toggle span {
  transform: rotate(45deg);
}

.menu-open .menu-toggle span::before {
  transform: translateY(6px) rotate(90deg);
}

.menu-open .menu-toggle span::after {
  opacity: 0;
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: center;
  padding: calc(var(--header) + 54px) 0 58px;
  isolation: isolate;
}

.hero-media,
.hero-video,
.hero-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  z-index: -4;
  overflow: hidden;
}

.hero-video,
.hero-poster {
  object-fit: cover;
}

.hero-video {
  opacity: 0;
  transform: scale(1.03);
  transition: opacity 800ms ease, transform 1800ms ease;
}

.hero-video.is-active {
  opacity: 1;
  transform: scale(1);
}

.hero-poster {
  z-index: -2;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(7, 17, 31, 0.95), rgba(7, 17, 31, 0.58) 56%, rgba(7, 17, 31, 0.86)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.07) 0 1px, transparent 1px 96px);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 220px;
  background: linear-gradient(180deg, transparent, var(--ink));
}

.hero-inner,
.section-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.58fr);
  align-items: end;
  gap: 48px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
}

.hero h1,
.detail-hero h1,
.page-title h1 {
  margin: 0;
  font-size: 62px;
  line-height: 1.08;
  font-weight: 850;
}

.hero-lead {
  max-width: 780px;
  margin: 24px 0 0;
  color: #d5e2ef;
  font-size: 19px;
}

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

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 18px;
  border: 1px solid var(--line);
  color: var(--white);
  background: rgba(255, 255, 255, 0.07);
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  border-color: rgba(94, 234, 212, 0.72);
  color: #04110f;
  background: var(--cyan);
}

.button:hover {
  transform: translateY(-1px);
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(7, 17, 31, 0.62);
  backdrop-filter: blur(18px);
}

.signal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-head strong {
  font-size: 14px;
}

.signal-light {
  width: 9px;
  height: 9px;
  background: var(--green);
  box-shadow: 0 0 18px rgba(125, 223, 155, 0.9);
}

.signal-list {
  display: grid;
  gap: 0;
}

.signal-row {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.signal-row span {
  color: #9fb1c5;
  font-size: 12px;
  font-weight: 800;
}

.signal-row b {
  color: var(--paper);
  font-size: 14px;
}

.hero-chips,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.chip,
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #e8f2fc;
  background: rgba(255, 255, 255, 0.06);
  font-size: 13px;
}

.section {
  position: relative;
  padding: 92px 0;
}

.section.light {
  color: var(--ink);
  background: var(--paper);
}

.section.dark {
  color: var(--paper);
  background:
    linear-gradient(180deg, rgba(246, 198, 91, 0.08), transparent 360px),
    var(--ink-2);
}

.section.matrix {
  color: var(--paper);
  background:
    linear-gradient(180deg, rgba(94, 234, 212, 0.08), rgba(92, 168, 255, 0.05)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 130px),
    #091525;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(300px, 0.35fr);
  gap: 36px;
  align-items: end;
  margin-bottom: 38px;
}

.section-kicker {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.dark .section-kicker,
.matrix .section-kicker {
  color: var(--cyan);
}

.section h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.18;
}

.section-summary {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.dark .section-summary,
.matrix .section-summary {
  color: #b8c8d8;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.metric {
  min-height: 132px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.06);
}

.metric strong {
  display: block;
  color: var(--white);
  font-size: 34px;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 12px;
  color: #c6d4e4;
  font-size: 14px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.capability-card,
.project-card,
.lab-card,
.info-panel {
  border: 1px solid var(--line-dark);
  background: var(--white);
}

.capability-card {
  min-height: 270px;
  padding: 24px;
}

.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  color: #04110f;
  background: var(--cyan);
  font-weight: 900;
}

.capability-card h3,
.project-card h3,
.lab-card h3,
.info-panel h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.3;
}

.capability-card p,
.project-card p,
.lab-card p,
.info-panel p {
  margin: 0;
  color: #526176;
}

.card-lines {
  display: grid;
  gap: 9px;
  margin-top: 20px;
  padding: 0;
  list-style: none;
}

.card-lines li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #2f3c4d;
  font-size: 14px;
}

.card-lines li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 9px;
  flex: 0 0 auto;
  background: var(--amber);
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.lab-card {
  padding: 24px;
  background: rgba(255, 255, 255, 0.95);
}

.lab-card strong {
  display: block;
  margin-bottom: 16px;
  color: var(--red);
  font-size: 13px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 28px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
}

.timeline-date {
  color: var(--cyan);
  font-weight: 850;
}

.timeline-item h3 {
  margin: 0 0 7px;
  font-size: 22px;
}

.timeline-item p {
  margin: 0;
  color: #c2d0de;
}

.timeline-item ul {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.timeline-item li {
  display: flex;
  gap: 10px;
  color: #d1dfec;
  font-size: 15px;
}

.timeline-item li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 10px;
  flex: 0 0 auto;
  background: var(--cyan);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(92, 168, 255, 0.45);
}

.project-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a1321;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms ease;
}

.project-card:hover img {
  transform: scale(1.05);
}

.project-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.project-body p {
  flex: 1;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
}

.project-meta span {
  padding: 4px 8px;
  color: #203246;
  background: #edf3f8;
  font-size: 12px;
  font-weight: 800;
}

.project-link {
  margin-top: 20px;
  color: #0c5a92;
  font-weight: 850;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.filter-button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line);
  color: #dce8f5;
  background: rgba(255, 255, 255, 0.07);
  cursor: pointer;
}

.filter-button.is-active,
.filter-button:hover {
  border-color: rgba(94, 234, 212, 0.72);
  color: var(--ink);
  background: var(--cyan);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.55fr);
  gap: 24px;
  align-items: stretch;
}

.info-panel {
  padding: 28px;
}

.info-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.info-list li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  color: #273546;
  min-width: 0;
}

.info-list span {
  color: #6a788a;
  font-weight: 800;
}

.info-list strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #a9bacb;
  background: #070b14;
}

.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  min-height: 92px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: #d8e4f0;
  text-decoration: none;
}

.page {
  padding-top: var(--header);
}

.page-title {
  position: relative;
  padding: 78px 0 52px;
  background:
    linear-gradient(90deg, rgba(7, 17, 31, 0.92), rgba(7, 17, 31, 0.72)),
    url("../img/1920x1080/01.jpg") center / cover no-repeat;
}

.page-title p {
  max-width: 760px;
  margin: 18px 0 0;
  color: #d1dfec;
  font-size: 17px;
}

.detail-hero {
  padding: calc(var(--header) + 46px) 0 54px;
  background:
    linear-gradient(180deg, rgba(92, 168, 255, 0.12), transparent),
    var(--ink);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 0.56fr);
  gap: 36px;
  align-items: center;
}

.detail-visual {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.detail-visual img {
  width: 100%;
  aspect-ratio: 16 / 11;
  display: block;
  object-fit: cover;
}

.detail-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.detail-meta div {
  min-height: 84px;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.detail-meta span {
  display: block;
  color: #9fb1c5;
  font-size: 12px;
  font-weight: 800;
}

.detail-meta strong {
  display: block;
  margin-top: 7px;
  font-size: 15px;
}

.detail-body {
  color: var(--ink);
  background: var(--paper);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(290px, 0.28fr);
  gap: 28px;
}

.detail-section {
  margin-bottom: 26px;
  padding: 28px;
  border: 1px solid var(--line-dark);
  background: var(--white);
}

.detail-section h2 {
  margin: 0 0 14px;
  font-size: 26px;
}

.detail-section p {
  margin: 0;
  color: #46566a;
}

.detail-section ul {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detail-section li {
  display: flex;
  gap: 11px;
  color: #37475a;
}

.detail-section li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 11px;
  flex: 0 0 auto;
  background: var(--blue);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.media-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: #07111f;
}

.media-card img,
.media-card video {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: block;
}

.media-card img {
  object-fit: cover;
}

.media-card video {
  min-height: 280px;
  object-fit: contain;
  background: #07111f;
}

.media-video {
  grid-column: 1 / -1;
}

.media-card figcaption {
  padding: 12px 14px;
  color: #dbe8f7;
  background: #07111f;
  font-size: 14px;
}

.empty-state {
  padding: 40px;
  color: var(--ink);
  background: var(--white);
}

.empty-state a {
  color: #0c5a92;
  font-weight: 850;
}

.portal-ai {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 60;
  color: var(--ink);
}

.portal-ai-launcher {
  width: 58px;
  height: 58px;
  border: 1px solid rgba(255, 255, 255, 0.44);
  border-radius: 50%;
  color: #04101c;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
  font-weight: 900;
  cursor: pointer;
}

.portal-ai-panel {
  width: min(390px, calc(100vw - 28px));
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid rgba(92, 168, 255, 0.35);
  border-radius: 18px;
  background: rgba(248, 251, 255, 0.98);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

.portal-ai-panel > header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  color: #eef8ff;
  background: #0a1d31;
}

.portal-ai-panel > header div {
  display: grid;
  gap: 2px;
}

.portal-ai-panel > header strong {
  font-size: 17px;
}

.portal-ai-panel > header span {
  color: #b9cae0;
  font-size: 12px;
}

.portal-ai-close {
  border: 0;
  color: #dcecff;
  background: transparent;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.portal-ai-messages {
  display: grid;
  align-content: start;
  gap: 10px;
  height: min(310px, 42vh);
  padding: 16px;
  overflow: auto;
  background: #edf4fb;
}

.portal-ai-message {
  max-width: 88%;
  padding: 10px 12px;
  border: 1px solid #d6e2ef;
  border-radius: 14px 14px 14px 4px;
  background: #fff;
  overflow-wrap: anywhere;
}

.portal-ai-message.is-user {
  justify-self: end;
  border-color: #acd6ff;
  border-radius: 14px 14px 4px;
  background: #dceeff;
}

.portal-ai-message p {
  margin: 0;
  white-space: pre-wrap;
  font-size: 14px;
  line-height: 1.6;
}

.portal-ai-citations {
  margin: 8px 0 0;
  padding: 8px 8px 0 24px;
  border-top: 1px solid #dbe5ef;
  color: #486078;
  font-size: 12px;
}

.portal-ai-status {
  min-height: 24px;
  margin: 0;
  padding: 5px 16px;
  color: #52667b;
  background: #f8fbff;
  font-size: 12px;
}

.portal-ai-toolbar {
  display: flex;
  gap: 6px;
  padding: 8px 12px 0;
  background: #f8fbff;
}

.portal-ai-toolbar button,
.portal-ai-lead-form button,
.portal-ai-consent button {
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid #b8cbe0;
  border-radius: 8px;
  color: #15314d;
  background: #fff;
  font-weight: 700;
  cursor: pointer;
}

.portal-ai-toolbar button:last-child {
  margin-left: auto;
  color: #7c2632;
}

.portal-ai-chat-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px 12px 12px;
  background: #f8fbff;
}

.portal-ai-chat-form textarea,
.portal-ai-lead-form input,
.portal-ai-lead-form select {
  width: 100%;
  min-width: 0;
  border: 1px solid #b7c9dc;
  border-radius: 9px;
  color: #07111f;
  background: #fff;
}

.portal-ai-chat-form textarea {
  min-height: 52px;
  max-height: 150px;
  padding: 9px 10px;
  resize: vertical;
}

.portal-ai-chat-form button {
  align-self: stretch;
  padding: 0 15px;
  border: 0;
  border-radius: 9px;
  color: #06111d;
  background: var(--cyan);
  font-weight: 900;
  cursor: pointer;
}

.portal-ai-consent,
.portal-ai-lead-form {
  display: grid;
  gap: 10px;
  padding: 16px;
  color: #263c52;
  background: #f8fbff;
  font-size: 13px;
}

.portal-ai-consent[hidden],
.portal-ai-lead-form[hidden],
.portal-ai-chat-form[hidden],
.portal-ai-toolbar[hidden] {
  display: none;
}

.portal-ai-consent p {
  margin: 0;
}

.portal-ai-consent a {
  color: #075b99;
  font-weight: 700;
}

.portal-ai-consent label,
.portal-ai-lead-form label {
  display: grid;
  gap: 5px;
}

.portal-ai-consent label {
  grid-template-columns: auto 1fr;
  align-items: start;
}

.portal-ai-lead-form input,
.portal-ai-lead-form select {
  min-height: 40px;
  padding: 7px 9px;
}

.portal-ai-lead-form > div {
  display: flex;
  gap: 8px;
}

.portal-ai button:focus-visible,
.portal-ai input:focus-visible,
.portal-ai textarea:focus-visible,
.portal-ai select:focus-visible {
  outline: 3px solid rgba(12, 103, 166, 0.35);
  outline-offset: 2px;
}

.portal-ai button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.legal-page {
  min-height: 100vh;
  padding: 72px 20px;
  color: #18283a;
  background: #eef4fa;
}

.legal-document {
  width: min(860px, 100%);
  margin: 0 auto;
  padding: clamp(24px, 5vw, 54px);
  border: 1px solid #d6e1ed;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(19, 45, 72, 0.12);
}

.legal-document h1,
.legal-document h2 {
  line-height: 1.3;
}

.legal-document a {
  color: #075b99;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .hero-grid,
  .section-head,
  .contact-grid,
  .detail-grid,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 560px;
  }

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

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

@media (min-width: 1800px) {
  .hero h1,
  .detail-hero h1,
  .page-title h1 {
    font-size: 72px;
  }

  .hero-lead {
    max-width: 920px;
    font-size: 21px;
  }

  .section {
    padding: 112px 0;
  }

  .section h2 {
    font-size: 42px;
  }

  .capability-grid,
  .project-grid,
  .lab-grid {
    gap: 24px;
  }

  .capability-card,
  .lab-card,
  .project-body,
  .detail-section,
  .info-panel {
    padding: 30px;
  }

  .hero-grid,
  .detail-grid {
    gap: 64px;
  }
}

@media (max-width: 760px) {
  :root {
    --header: 64px;
  }

  .nav-bar,
  .hero-inner,
  .section-inner,
  .footer-inner {
    width: min(100% - 28px, var(--max));
  }

  .menu-toggle {
    display: grid;
  }

  .nav-links {
    position: fixed;
    top: var(--header);
    right: 0;
    left: 0;
    display: none;
    padding: 12px 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(7, 17, 31, 0.96);
  }

  .menu-open .nav-links {
    display: grid;
  }

  .nav-link {
    width: 100%;
    min-height: 46px;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header) + 44px);
  }

  .hero h1,
  .detail-hero h1,
  .page-title h1 {
    font-size: 38px;
  }

  .hero-lead,
  .page-title p {
    font-size: 16px;
  }

  .section {
    padding: 62px 0;
  }

  .section h2 {
    font-size: 28px;
  }

  .capability-grid,
  .project-grid,
  .lab-grid,
  .metrics,
  .detail-meta,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .media-video {
    grid-column: auto;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .button,
  .filter-button {
    width: 100%;
  }

  .footer-inner {
    min-height: 120px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }

  .portal-ai {
    right: 14px;
    bottom: 14px;
  }

  .portal-ai-panel {
    width: calc(100vw - 28px);
  }

  .portal-ai-messages {
    height: min(280px, 38vh);
  }

  .portal-ai-toolbar {
    overflow-x: auto;
  }
}

@media (orientation: landscape) and (max-height: 540px) {
  .hero {
    min-height: auto;
    align-items: start;
    padding-top: calc(var(--header) + 26px);
  }

  .hero h1,
  .detail-hero h1,
  .page-title h1 {
    font-size: 34px;
  }

  .hero-lead {
    margin-top: 14px;
    font-size: 15px;
  }

  .hero-actions,
  .section-actions,
  .detail-actions {
    margin-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition-duration: 0.01ms;
    animation-duration: 0.01ms;
  }
}