:root {
  color-scheme: dark;
  --bg: #03050b;
  --ink: #f7fbff;
  --muted: #a5b3c7;
  --line: rgba(180, 211, 255, 0.18);
  --glass: rgba(11, 20, 34, 0.58);
  --glass-strong: rgba(15, 28, 48, 0.78);
  --cyan: #3ee7ff;
  --violet: #9a7cff;
  --gold: #f4c95d;
  --green: #5dffbf;
  --danger: #ff5d92;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 18%, rgba(62, 231, 255, 0.14), transparent 28rem),
    radial-gradient(circle at 86% 12%, rgba(244, 201, 93, 0.12), transparent 24rem),
    radial-gradient(circle at 50% 84%, rgba(154, 124, 255, 0.12), transparent 30rem),
    linear-gradient(145deg, #02040a 0%, #07111d 46%, #03050b 100%);
  color: var(--ink);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 88%);
}

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

#neural-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  opacity: 0.95;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(3, 5, 11, 0.54);
  backdrop-filter: blur(18px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-sigil {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(62, 231, 255, 0.42);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(62, 231, 255, 0.18), rgba(244, 201, 93, 0.12));
  box-shadow: 0 0 28px rgba(62, 231, 255, 0.18);
  color: var(--cyan);
  font-size: 0.7rem;
}

.site-nav {
  display: flex;
  gap: clamp(14px, 3vw, 30px);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.site-nav a {
  transition: color 180ms ease, text-shadow 180ms ease;
}

.site-nav a:hover {
  color: var(--ink);
  text-shadow: 0 0 18px rgba(62, 231, 255, 0.55);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  align-items: center;
  gap: clamp(28px, 6vw, 76px);
  padding: 116px clamp(18px, 6vw, 88px) 56px;
}

.hero-content {
  max-width: 980px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 1050px;
  margin-bottom: 24px;
  font-size: clamp(3.1rem, 9.2vw, 8.8rem);
  font-weight: 900;
  line-height: 0.86;
  letter-spacing: 0;
  text-transform: uppercase;
  text-wrap: balance;
  text-shadow:
    0 0 28px rgba(62, 231, 255, 0.18),
    0 26px 76px rgba(0, 0, 0, 0.65);
}

h2 {
  max-width: 960px;
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4.8rem);
  font-weight: 850;
  line-height: 0.98;
  letter-spacing: 0;
  text-wrap: balance;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.16rem;
  line-height: 1.1;
}

.hero-subtitle {
  max-width: 720px;
  margin-bottom: 34px;
  color: #d7e3f4;
  font-size: clamp(1.08rem, 2.4vw, 1.52rem);
  font-weight: 500;
  line-height: 1.5;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 850;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

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

.button-primary {
  border-color: rgba(62, 231, 255, 0.58);
  background: linear-gradient(135deg, rgba(62, 231, 255, 0.22), rgba(93, 255, 191, 0.15));
  box-shadow: 0 0 34px rgba(62, 231, 255, 0.16);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: #dce7f6;
}

.hero-orbit {
  position: absolute;
  right: clamp(14px, 10vw, 190px);
  bottom: 10%;
  z-index: -1;
  width: min(46vw, 520px);
  aspect-ratio: 1;
  border: 1px solid rgba(62, 231, 255, 0.16);
  border-radius: 50%;
  filter: drop-shadow(0 0 38px rgba(62, 231, 255, 0.2));
  animation: rotate-slow 24s linear infinite;
}

.hero-orbit span {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(244, 201, 93, 0.16);
  border-radius: 50%;
}

.hero-orbit span:nth-child(2) {
  inset: 28%;
  border-color: rgba(154, 124, 255, 0.24);
}

.hero-orbit span:nth-child(3) {
  inset: 45%;
  border-color: rgba(93, 255, 191, 0.24);
}

.command-panel,
.division-card,
.portal-card,
.metric-card {
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.025)),
    var(--glass);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
}

.command-panel {
  padding: 22px;
  border-radius: 8px;
}

.panel-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.panel-line span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.panel-line strong {
  color: var(--ink);
  font-size: 1rem;
}

.signal-bars {
  display: grid;
  height: 72px;
  grid-template-columns: repeat(5, 1fr);
  align-items: end;
  gap: 8px;
  margin-top: 20px;
}

.signal-bars i {
  display: block;
  height: 32%;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(to top, rgba(62, 231, 255, 0.18), rgba(62, 231, 255, 0.92));
  animation: pulse-bar 1.8s ease-in-out infinite;
}

.signal-bars i:nth-child(2) {
  height: 58%;
  animation-delay: 120ms;
}

.signal-bars i:nth-child(3) {
  height: 88%;
  background: linear-gradient(to top, rgba(244, 201, 93, 0.16), rgba(244, 201, 93, 0.9));
  animation-delay: 240ms;
}

.signal-bars i:nth-child(4) {
  height: 68%;
  animation-delay: 360ms;
}

.signal-bars i:nth-child(5) {
  height: 44%;
  background: linear-gradient(to top, rgba(93, 255, 191, 0.14), rgba(93, 255, 191, 0.9));
  animation-delay: 480ms;
}

.section {
  position: relative;
  padding: clamp(72px, 10vw, 132px) clamp(18px, 6vw, 88px);
}

.system-band {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: clamp(28px, 6vw, 74px);
  align-items: end;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.025);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 30px;
}

.section-action {
  flex: 0 0 auto;
}

.portal-band {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

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

.portal-card {
  position: relative;
  display: flex;
  min-height: 136px;
  overflow: hidden;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  border-radius: 8px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.portal-card::before {
  position: absolute;
  inset: -1px;
  z-index: -1;
  content: "";
  background:
    radial-gradient(circle at 18% 12%, rgba(93, 255, 191, 0.2), transparent 34%),
    radial-gradient(circle at 88% 80%, rgba(244, 201, 93, 0.16), transparent 30%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.portal-card:hover {
  transform: translateY(-3px);
  border-color: rgba(93, 255, 191, 0.42);
  box-shadow: 0 28px 86px rgba(0, 0, 0, 0.42), 0 0 30px rgba(93, 255, 191, 0.12);
}

.portal-card:hover::before {
  opacity: 1;
}

.portal-card span {
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.portal-card strong {
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.2;
}

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

.metric-card {
  min-height: 142px;
  padding: 22px;
  border-radius: 8px;
}

.metric-card span,
.division-index {
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin-top: 38px;
  font-size: 1.18rem;
}

.division-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.division-card {
  position: relative;
  min-height: 248px;
  overflow: hidden;
  padding: 22px;
  border-radius: 8px;
  transform-style: preserve-3d;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.division-card::before {
  position: absolute;
  inset: -1px;
  z-index: -1;
  content: "";
  background:
    radial-gradient(circle at var(--card-x, 50%) var(--card-y, 50%), rgba(62, 231, 255, 0.28), transparent 34%),
    linear-gradient(135deg, rgba(244, 201, 93, 0.08), transparent 55%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.division-card:hover {
  border-color: rgba(62, 231, 255, 0.42);
  box-shadow: 0 28px 86px rgba(0, 0, 0, 0.42), 0 0 28px rgba(62, 231, 255, 0.12);
}

.division-card:hover::before {
  opacity: 1;
}

.division-card h3 {
  margin-top: 58px;
}

.division-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.vision-band {
  display: grid;
  min-height: 58vh;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  align-items: center;
  gap: clamp(28px, 6vw, 74px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.vision-rail {
  position: relative;
  min-height: 330px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(62, 231, 255, 0.08), rgba(244, 201, 93, 0.07));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.vision-rail::before {
  position: absolute;
  inset: 24px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
}

.vision-rail span {
  position: absolute;
  left: 18%;
  right: 18%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--gold), transparent);
  box-shadow: 0 0 28px rgba(62, 231, 255, 0.42);
  animation: scan-line 3.2s ease-in-out infinite;
}

.vision-rail span:nth-child(1) {
  top: 28%;
}

.vision-rail span:nth-child(2) {
  top: 50%;
  animation-delay: 500ms;
}

.vision-rail span:nth-child(3) {
  top: 72%;
  animation-delay: 1000ms;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes rotate-slow {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse-bar {
  50% {
    transform: scaleY(0.72);
    opacity: 0.58;
  }
}

@keyframes scan-line {
  50% {
    transform: translateX(16%);
    opacity: 0.42;
  }
}

@media (max-width: 1120px) {
  .hero,
  .system-band,
  .vision-band {
    grid-template-columns: 1fr;
  }

  .command-panel {
    max-width: 520px;
  }

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

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

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    padding: 14px 16px;
  }

  .site-nav {
    gap: 12px;
    font-size: 0.78rem;
  }

  .brand-mark span:last-child {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 104px 16px 54px;
  }

  h1 {
    font-size: clamp(3rem, 17vw, 5rem);
  }

  .hero-subtitle {
    font-size: 1.02rem;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 70px 16px;
  }

  .system-grid,
  .portal-grid,
  .division-grid {
    grid-template-columns: 1fr;
  }

  .division-card {
    min-height: 214px;
  }

  .section-heading {
    display: block;
  }

  .section-action {
    margin-top: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}