:root {
  --bg: #0b1210;
  --bg-elevated: #121c18;
  --surface: #f3f1eb;
  --surface-alt: #e8ebe6;
  --ink: #14201a;
  --ink-muted: #4d5c54;
  --line: rgba(20, 32, 26, 0.12);
  --teal: #1fa88a;
  --teal-deep: #0f7a64;
  --gold: #c4a35a;
  --white: #f8f7f3;
  --radius: 2px;
  --header-h: 72px;
  --font-display: "Noto Serif SC", "Songti SC", serif;
  --font-body: "IBM Plex Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.section {
  padding: clamp(72px, 9vw, 110px) 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section-head {
  margin-bottom: clamp(28px, 5vw, 48px);
  max-width: 720px;
}

.section-head.row-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  color: var(--teal-deep);
  font-weight: 500;
}

.section-head h2,
.contact-copy h2,
.cta-inner h2,
.page-hero h1,
.detail-item h2,
.sol-block h2,
.news-row h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.section-head h2,
.contact-copy h2,
.cta-inner h2 {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
}

.section-desc {
  margin: 16px 0 0;
  color: var(--ink-muted);
  max-width: 560px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  color: var(--teal-deep);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.text-link::after {
  content: "→";
  transition: transform 0.25s var(--ease);
}

.text-link:hover::after {
  transform: translateX(4px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

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

.btn-primary {
  background: var(--teal);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(248, 247, 243, 0.35);
}

.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(248, 247, 243, 0.08);
}

.btn-sm {
  min-height: 40px;
  padding: 0 18px;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.is-scrolled,
.site-header.is-solid {
  background: rgba(11, 18, 16, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  flex-shrink: 0;
}

.brand-mark {
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, var(--teal) 0 45%, transparent 45% 55%, var(--gold) 55%);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-link,
.nav > a.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  font-size: 0.875rem;
  color: rgba(248, 247, 243, 0.72);
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--white);
}

.nav-caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.7;
}

.nav-item {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 180px;
  padding: 10px 0;
  background: #101916;
  border: 1px solid rgba(248, 247, 243, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.nav-dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 0.875rem;
  color: rgba(248, 247, 243, 0.7);
}

.nav-dropdown a:hover {
  color: var(--white);
  background: rgba(31, 168, 138, 0.12);
}

.header-cta {
  margin-left: 8px;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  margin-left: auto;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  margin: 6px auto;
  background: var(--white);
  transition: transform 0.25s var(--ease);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 48px) 0 88px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(31, 168, 138, 0.22), transparent 55%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(196, 163, 90, 0.12), transparent 50%),
    linear-gradient(165deg, #0b1210 0%, #12201a 45%, #0d1612 100%);
}

.hero-visual {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(248, 247, 243, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(248, 247, 243, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 65% 40%, black, transparent 75%);
  animation: gridDrift 28s linear infinite;
}

.hero-glow {
  position: absolute;
  width: 55vw;
  height: 55vw;
  right: -8%;
  top: 8%;
  background: radial-gradient(circle, rgba(31, 168, 138, 0.28), transparent 65%);
  filter: blur(20px);
  animation: glowPulse 6s ease-in-out infinite;
}

.hero-circuit {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}

.circuit-path {
  stroke-dasharray: 12 10;
  animation: circuitFlow 18s linear infinite;
}

.circuit-path.delay-1 {
  animation-duration: 24s;
  animation-delay: -4s;
}

.circuit-path.delay-2 {
  animation-duration: 30s;
  animation-delay: -8s;
}

.pulse-node {
  animation: nodePulse 2.8s ease-in-out infinite;
}

.pulse-node.delay-1 {
  animation-delay: 0.9s;
}

.pulse-node.delay-2 {
  animation-delay: 1.8s;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-in {
  animation: heroIn 0.9s var(--ease) both;
}

.hero-in-1 { animation-delay: 0.12s; }
.hero-in-2 { animation-delay: 0.22s; }
.hero-in-3 { animation-delay: 0.32s; }
.hero-in-4 { animation-delay: 0.42s; }

.brand-hero {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 8vw, 5rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1;
}

.hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.125rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.hero-sub {
  margin: 0 0 28px;
  max-width: 34em;
  font-size: clamp(0.95rem, 1.5vw, 1.0625rem);
  color: rgba(248, 247, 243, 0.72);
  font-weight: 300;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 36px;
}

.hero-tags span {
  position: relative;
  padding-left: 14px;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: rgba(248, 247, 243, 0.78);
}

.hero-tags span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  background: var(--teal);
  border-radius: 50%;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 2;
  width: 24px;
  height: 36px;
  margin-left: -12px;
  border: 1px solid rgba(248, 247, 243, 0.3);
  border-radius: 12px;
}

.hero-scroll span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 3px;
  height: 8px;
  margin-left: -1.5px;
  background: var(--teal);
  border-radius: 2px;
  animation: scrollDot 1.6s ease-in-out infinite;
}

/* Page hero */
.page-hero {
  padding: calc(var(--header-h) + 48px) 0 56px;
  color: var(--white);
  background:
    radial-gradient(ellipse 70% 80% at 85% 20%, rgba(31, 168, 138, 0.2), transparent 55%),
    linear-gradient(160deg, #0b1210, #13231c 60%, #101a16);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.8125rem;
  color: rgba(248, 247, 243, 0.5);
}

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

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 14px;
}

.page-hero p {
  margin: 0;
  max-width: 40em;
  color: rgba(248, 247, 243, 0.68);
}

/* Home modules */
.strip {
  background: var(--bg-elevated);
  color: var(--white);
  padding: 28px 0;
  border-bottom: 1px solid rgba(248, 247, 243, 0.06);
}

.strip-grid,
.mini-metrics,
.cases-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.strip-grid strong,
.mini-metrics strong,
.cases-metrics strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--teal);
  line-height: 1.2;
}

.strip-grid span,
.mini-metrics span,
.cases-metrics span {
  display: block;
  margin-top: 6px;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: rgba(248, 247, 243, 0.55);
}

.cases-metrics.light {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.cases-metrics.light span {
  color: var(--ink-muted);
}

.home-split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.value-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.value-list li {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.value-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.value-list strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
}

.value-list span {
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

.home-products {
  background: var(--bg-elevated);
  color: var(--white);
}

.home-products .eyebrow,
.home-products .text-link {
  color: var(--teal);
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(248, 247, 243, 0.08);
  border: 1px solid rgba(248, 247, 243, 0.08);
}

.entry-item {
  display: block;
  padding: clamp(24px, 3vw, 36px);
  background: var(--bg-elevated);
  transition: background 0.3s var(--ease);
}

.entry-item:hover {
  background: #17241f;
}

.entry-num,
.cap-num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.entry-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
}

.entry-item p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(248, 247, 243, 0.6);
}

.scene-grid {
  display: grid;
  gap: 28px;
}

.scene-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
}

.scene-tabs button {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 12px 16px;
  cursor: pointer;
  color: var(--ink-muted);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -5px;
}

.scene-tabs button.is-active,
.scene-tabs button:hover {
  color: var(--ink);
  border-bottom-color: var(--teal);
}

.scene-panel {
  display: none;
  padding-top: 8px;
}

.scene-panel.is-active {
  display: block;
  animation: heroIn 0.45s var(--ease);
}

.scene-panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.scene-panel p {
  margin: 0;
  max-width: 720px;
  color: var(--ink-muted);
}

.home-advantages {
  background: var(--surface-alt);
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 32px;
}

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

.adv-grid article {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.adv-grid strong {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-display);
  color: var(--teal-deep);
  letter-spacing: 0.1em;
  font-size: 0.875rem;
}

.adv-grid h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
}

.adv-grid p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

.adv-grid article:nth-child(4),
.adv-grid article:nth-child(5) {
  grid-column: span 1;
}

.home-cases {
  background: var(--bg);
  color: var(--white);
}

.home-cases .eyebrow,
.home-cases .text-link {
  color: var(--gold);
}

.home-cases .section-desc {
  color: rgba(248, 247, 243, 0.62);
}

.mini-metrics {
  grid-template-columns: 1fr;
  gap: 0;
}

.mini-metrics > div {
  padding: 22px 0;
  border-top: 1px solid rgba(248, 247, 243, 0.1);
}

.mini-metrics > div:last-child {
  border-bottom: 1px solid rgba(248, 247, 243, 0.1);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-item {
  display: block;
  padding-top: 18px;
  border-top: 2px solid var(--teal);
  transition: transform 0.25s var(--ease);
}

.news-item:hover {
  transform: translateY(-2px);
}

.news-item time,
.news-row time {
  display: block;
  margin-bottom: 12px;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
}

.news-item h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.45;
}

.news-item p,
.news-row p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

.cta-band {
  background:
    radial-gradient(ellipse 50% 80% at 0% 50%, rgba(31, 168, 138, 0.16), transparent 60%),
    var(--bg-elevated);
  color: var(--white);
  padding: 56px 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-inner p {
  margin: 10px 0 0;
  color: rgba(248, 247, 243, 0.62);
}

/* Inner pages */
.lead {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 1.65;
  font-weight: 500;
}

.prose-wide {
  max-width: 820px;
}

.prose p {
  margin: 0 0 18px;
  color: var(--ink-muted);
}

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.tech-pills li {
  padding: 8px 16px;
  border: 1px solid var(--line);
  background: rgba(31, 168, 138, 0.06);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
}

.detail-list,
.sol-detail,
.news-list {
  display: grid;
  gap: 0;
}

.detail-item,
.sol-block,
.news-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 24px;
  padding: 36px 0;
  border-bottom: 1px solid var(--line);
}

.detail-item:first-child,
.sol-block:first-child,
.news-row:first-child {
  border-top: 1px solid var(--line);
}

.detail-item h2,
.sol-block h2,
.news-row h2 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  margin-bottom: 12px;
}

.detail-item p,
.sol-block p {
  margin: 0;
  color: var(--ink-muted);
}

.sol-block ul {
  margin: 16px 0 0;
  padding-left: 1.1em;
  color: var(--ink-muted);
}

.sol-index {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--teal);
  letter-spacing: 0.08em;
  padding-top: 6px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.case-grid article {
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
}

.case-grid span {
  display: block;
  margin-bottom: 10px;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--teal-deep);
}

.case-grid h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.125rem;
}

.case-grid p {
  margin: 0;
  color: var(--ink-muted);
}

.news-row {
  grid-template-columns: 120px 1fr;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.contact-copy > p {
  margin: 16px 0 28px;
  color: var(--ink-muted);
}

.contact-meta {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.contact-meta li {
  display: grid;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.contact-meta span {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--teal-deep);
}

.contact-meta strong {
  font-weight: 500;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 3vw, 36px);
  background: var(--white);
  border: 1px solid var(--line);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label span {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fafaf7;
  color: var(--ink);
  outline: none;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--teal);
  background: #fff;
}

.form-note {
  margin: 0;
  min-height: 1.4em;
  font-size: 0.875rem;
  color: var(--teal-deep);
}

/* Footer */
.site-footer {
  background: var(--bg);
  color: rgba(248, 247, 243, 0.7);
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 32px 24px;
  padding-bottom: 36px;
}

.footer-brand p {
  margin: 14px 0 0;
  font-size: 0.9375rem;
  color: rgba(248, 247, 243, 0.55);
}

.footer-desc {
  max-width: 260px;
  line-height: 1.7;
}

.footer-col {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-col h4 {
  margin: 0 0 6px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
}

.footer-col a,
.footer-col p {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(248, 247, 243, 0.55);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid rgba(248, 247, 243, 0.08);
  font-size: 0.8125rem;
  color: rgba(248, 247, 243, 0.38);
}

.footer-bottom p {
  margin: 0;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 20px;
  padding: 12px 0 4px;
  font-size: 0.8125rem;
  color: rgba(248, 247, 243, 0.38);
}

.footer-legal p {
  margin: 0;
}

.footer-legal a {
  color: rgba(248, 247, 243, 0.55);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-legal a:hover {
  color: var(--white);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }

@keyframes gridDrift {
  to { transform: translate3d(-64px, -64px, 0); }
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.06); }
}

@keyframes circuitFlow {
  to { stroke-dashoffset: -220; }
}

@keyframes nodePulse {
  0%, 100% { r: 3.5; opacity: 0.7; }
  50% { r: 5.5; opacity: 1; }
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}

@keyframes scrollDot {
  0% { opacity: 0; transform: translateY(0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translateY(12px); }
}

@media (max-width: 1100px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 960px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - var(--header-h));
    overflow: auto;
    padding: 8px 20px 20px;
    background: rgba(11, 18, 16, 0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(248, 247, 243, 0.08);
  }

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

  .nav-link {
    padding: 14px 4px;
    border-bottom: 1px solid rgba(248, 247, 243, 0.06);
  }

  .nav-item .nav-dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: 0;
    background: transparent;
    padding: 0 0 8px 12px;
  }

  .nav-dropdown a {
    padding: 10px 4px;
    border-bottom: 0;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .home-split,
  .entry-grid,
  .news-grid,
  .contact-panel,
  .adv-grid,
  .adv-grid.three,
  .case-grid,
  .strip-grid,
  .cases-metrics,
  .cases-metrics.light {
    grid-template-columns: 1fr;
  }

  .entry-grid {
    gap: 0;
    border: 0;
    background: transparent;
  }

  .entry-item {
    border-bottom: 1px solid rgba(248, 247, 243, 0.1);
    padding-left: 0;
    padding-right: 0;
  }

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

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .detail-item,
  .sol-block,
  .news-row {
    grid-template-columns: 56px 1fr;
    gap: 12px;
  }

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

@media (max-width: 640px) {
  .container {
    width: calc(100% - 32px);
  }

  .hero {
    align-items: center;
    padding-bottom: 72px;
  }

  .brand-hero {
    letter-spacing: 0.12em;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

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

  .news-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

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

  .reveal,
  .hero-in,
  .hero-grid,
  .hero-glow,
  .circuit-path,
  .pulse-node,
  .hero-scroll span,
  .scene-panel.is-active {
    animation: none !important;
    transition: none !important;
  }

  .reveal,
  .hero-in {
    opacity: 1;
    transform: none;
  }
}