:root {
  --bg: #07111f;
  --surface: rgba(10, 20, 36, 0.78);
  --surface-strong: rgba(13, 26, 45, 0.94);
  --line: rgba(121, 210, 255, 0.18);
  --line-strong: rgba(121, 210, 255, 0.34);
  --text: #eef7ff;
  --muted: #98abc1;
  --accent: #7af0ff;
  --brand: #00c2ff;
  --brand-deep: #0077ff;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
  --glow: 0 0 0 1px rgba(122, 240, 255, 0.12), 0 20px 60px rgba(0, 75, 140, 0.28);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --vc3d: #8e6bff;
  --fues: #ff4f6d;
  --router: #2dd4ff;
  --emirror: #2af5c2;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(44, 224, 255, 0.18), transparent 24%),
    radial-gradient(circle at 85% 10%, rgba(142, 107, 255, 0.18), transparent 20%),
    radial-gradient(circle at 50% 100%, rgba(42, 245, 194, 0.12), transparent 24%),
    linear-gradient(180deg, #040914 0%, var(--bg) 38%, #02060d 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(122, 240, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 240, 255, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.48), transparent 92%);
  animation: gridDrift 24s linear infinite;
}

.landing-shell {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 20px auto 40px;
  padding-top: 96px;
  display: grid;
  gap: 22px;
}

.topbar,
.hero,
.process-section,
.detail-section,
.systems-section,
.benefits-section,
.cta-section,
.footer-card {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow), var(--glow);
  backdrop-filter: blur(22px);
}

.topbar::before,
.hero::before,
.detail-section::before,
.process-section::before,
.systems-section::before,
.benefits-section::before,
.cta-section::before,
.footer-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 180px;
  height: 1px;
  background: linear-gradient(90deg, rgba(122, 240, 255, 0.8), transparent);
}

.topbar {
  position: sticky;
  top: 12px;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  background: rgba(7, 17, 31, 0.78);
  animation: topbarFloat 7s ease-in-out infinite;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}

.brand-kicker,
.eyebrow,
.stat-label,
.section-text,
.top-links a {
  letter-spacing: 0.14em;
}

.brand-kicker,
.eyebrow,
.stat-label {
  text-transform: uppercase;
  font-size: 0.74rem;
  font-weight: 800;
}

.brand-kicker,
.eyebrow { color: var(--accent); }

.brand-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 116px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(0, 194, 255, 0.2), rgba(142, 107, 255, 0.18)),
    rgba(9, 18, 32, 0.8);
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 0 18px rgba(122, 240, 255, 0.08);
}

.top-links {
  display: flex;
  gap: 10px;
  flex-wrap: nowrap;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.top-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.top-action.primary-action {
  color: #03111d;
  background: linear-gradient(135deg, var(--accent), var(--brand));
  box-shadow: 0 10px 28px rgba(0, 194, 255, 0.24);
}

.top-action.secondary-action {
  color: var(--text);
  background: rgba(13, 26, 45, 0.82);
  border: 1px solid rgba(121, 210, 255, 0.18);
}

.top-links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(13, 26, 45, 0.72);
  border: 1px solid rgba(121, 210, 255, 0.16);
  color: var(--text);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.top-links a:hover {
  transform: translateY(-1px);
  border-color: rgba(122, 240, 255, 0.38);
  background: rgba(17, 34, 58, 0.92);
  box-shadow: 0 0 18px rgba(44, 224, 255, 0.12);
}

.nav-glyph {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

.nav-glyph-systems::before,
.nav-glyph-process::before,
.nav-glyph-process::after,
.nav-glyph-access::before,
.nav-glyph-access::after {
  content: "";
  position: absolute;
}

.nav-glyph-systems::before {
  top: 1px;
  left: 1px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 10px 0 0 var(--brand), 0 10px 0 var(--brand-deep), 10px 10px 0 var(--accent);
}

.nav-glyph-process::before {
  top: 8px;
  left: 2px;
  width: 14px;
  height: 2px;
  background: var(--accent);
}

.nav-glyph-process::after {
  top: 4px;
  right: 1px;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  transform: rotate(45deg);
}

.nav-glyph-access::before {
  top: 2px;
  left: 5px;
  width: 8px;
  height: 7px;
  border: 2px solid var(--accent);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
}

.nav-glyph-access::after {
  top: 8px;
  left: 2px;
  width: 14px;
  height: 9px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--accent), var(--brand));
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr;
  gap: 24px;
  padding: 34px;
  background:
    radial-gradient(circle at top right, rgba(44, 224, 255, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(10, 20, 36, 0.88), rgba(8, 15, 28, 0.96));
  transform: translateY(var(--hero-parallax, 0px));
  transition: transform 120ms linear;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 0%, rgba(122, 240, 255, 0.08) 35%, transparent 58%);
  transform: translateX(-120%);
  animation: heroSweep 8s ease-in-out infinite;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(1.9rem, 3.2vw, 3.3rem);
  line-height: 0.98;
  max-width: 15ch;
  text-wrap: balance;
}

.hero-text,
.section-text,
.process-card p,
.system-card p,
.benefit-card p,
.access-card p,
.detail-card p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  margin: 18px 0 0;
  max-width: 66ch;
}

.hero-subtext {
  margin: 14px 0 0;
  max-width: 62ch;
  color: #d7ebff;
  line-height: 1.6;
}

.section-text {
  margin: 14px 0 0;
  max-width: 72ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 20px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

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

.primary-btn {
  color: #03111d;
  background: linear-gradient(135deg, var(--accent), var(--brand));
  box-shadow: 0 10px 28px rgba(0, 194, 255, 0.28);
}

.secondary-btn {
  color: var(--text);
  background: rgba(17, 34, 58, 0.92);
  border: 1px solid rgba(121, 210, 255, 0.18);
}

.hero-note {
  margin-top: 16px;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: rgba(6, 29, 43, 0.72);
  border: 1px solid rgba(122, 240, 255, 0.18);
  color: #dff8ff;
  line-height: 1.6;
  font-weight: 600;
  animation: notePulse 5.5s ease-in-out infinite;
}

.vision-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.vision-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(16, 31, 53, 0.86);
  border: 1px solid rgba(122, 240, 255, 0.14);
  color: #dff8ff;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: badgePulse 7s ease-in-out infinite;
}

.hero-panel {
  display: grid;
  gap: 12px;
}

.hero-stat {
  background: linear-gradient(145deg, rgba(13, 26, 45, 0.92), rgba(10, 20, 36, 0.72));
  border: 1px solid rgba(121, 210, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: inset 0 0 22px rgba(122, 240, 255, 0.03);
  animation: statFloat 7s ease-in-out infinite;
  transform: translateY(var(--float-shift, 0px));
}

.stat-label {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.hero-stat strong {
  font-size: 1.08rem;
  line-height: 1.5;
}

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

.stat-system-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  color: #fff;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-system-chip.vc3d { background: linear-gradient(135deg, var(--vc3d), #5d7cff); }
.stat-system-chip.fues { background: linear-gradient(135deg, var(--fues), #ff7b6f); }
.stat-system-chip.router { background: linear-gradient(135deg, var(--router), var(--brand-deep)); }
.stat-system-chip.emirror { background: linear-gradient(135deg, var(--emirror), #00c2ff); }
}

.hero-orbit {
  position: relative;
  min-height: 220px;
  margin-top: 8px;
  border-radius: 26px;
  background:
    radial-gradient(circle at center, rgba(44, 224, 255, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(10, 20, 36, 0.92), rgba(6, 12, 22, 0.84));
  border: 1px solid rgba(121, 210, 255, 0.14);
  overflow: hidden;
  transform: perspective(900px) rotateX(10deg) rotateY(var(--orbit-tilt, 0deg));
  transition: transform 140ms linear;
}

.orbit-core,
.orbit-ring,
.orbit-node { position: absolute; }

.orbit-core {
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border-radius: 50%;
  background: radial-gradient(circle, #dfffff 0%, var(--accent) 40%, rgba(44, 224, 255, 0.1) 100%);
  box-shadow: 0 0 28px rgba(44, 224, 255, 0.5);
}

.orbit-ring {
  top: 50%;
  left: 50%;
  border: 1px solid rgba(122, 240, 255, 0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-ring-a { width: 108px; height: 108px; animation: orbitSpin 14s linear infinite; }
.orbit-ring-b { width: 168px; height: 168px; animation: orbitSpinReverse 18s linear infinite; }

.orbit-node {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--emirror));
  box-shadow: 0 0 18px rgba(44, 224, 255, 0.34);
}

.orbit-node-a { top: 30px; left: 50%; margin-left: -7px; animation: nodePulse 4.8s ease-in-out infinite; }
.orbit-node-b { right: 42px; top: 50%; margin-top: -7px; animation: nodePulse 5.2s ease-in-out infinite; }
.orbit-node-c { bottom: 36px; left: 34%; animation: nodePulse 5.6s ease-in-out infinite; }

.process-section,
.detail-section,
.systems-section,
.benefits-section,
.cta-section,
.footer-card {
  padding: 28px;
}

.section-head h2,
.cta-card h2,
.footer-card h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.4vw, 2.6rem);
  line-height: 1.12;
}

.process-grid,
.detail-grid,
.systems-grid,
.benefits-grid,
.access-grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.process-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.detail-grid,
.systems-grid,
.benefits-grid,
.access-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.process-card,
.system-card,
.benefit-card,
.access-card,
.cta-card,
.detail-card {
  background: var(--surface-strong);
  border: 1px solid rgba(121, 210, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: inset 0 0 24px rgba(122, 240, 255, 0.02);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.process-link {
  text-decoration: none;
  color: inherit;
}

.process-card:hover,
.process-link:hover,
.system-card:hover,
.benefit-card:hover,
.access-card:hover,
.cta-card:hover,
.detail-card:hover {
  transform: translateY(-4px);
  border-color: rgba(122, 240, 255, 0.3);
  box-shadow: inset 0 0 24px rgba(122, 240, 255, 0.04), 0 16px 36px rgba(0, 0, 0, 0.22);
}

.step,
.system-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  border-radius: 999px;
  padding: 7px 12px;
  font-weight: 800;
  font-size: 0.85rem;
}

.step {
  color: #02131e;
  background: linear-gradient(135deg, var(--accent), var(--emirror));
}

.system-tag { color: #fff; }
.vc3d .system-tag { background: linear-gradient(135deg, var(--vc3d), #5d7cff); }
.fues .system-tag { background: linear-gradient(135deg, var(--fues), #ff7b6f); }
.router .system-tag { background: linear-gradient(135deg, var(--router), var(--brand-deep)); }
.emirror .system-tag { background: linear-gradient(135deg, var(--emirror), #00c2ff); }

.system-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(14, 27, 46, 0.98), rgba(8, 15, 28, 0.94)), var(--surface-strong);
  transform-style: preserve-3d;
  transform: translate3d(var(--card-shift-x, 0px), var(--card-shift-y, 0px), 0);
}

.system-card::after {
  content: "";
  position: absolute;
  top: var(--card-glow-shift, 50%);
  right: -20%;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  opacity: 0.18;
  filter: blur(12px);
  animation: cardGlow 7s ease-in-out infinite;
  transform: translateY(-50%);
}

.vc3d::after { background: var(--vc3d); }
.fues::after { background: var(--fues); }
.router::after { background: var(--router); }
.emirror::after { background: var(--emirror); }

.system-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.system-icon {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(15, 31, 53, 0.88);
  border: 1px solid rgba(121, 210, 255, 0.16);
  box-shadow: inset 0 0 18px rgba(122, 240, 255, 0.06);
  animation: iconFloat 6.5s ease-in-out infinite;
}

.system-icon::before,
.system-icon::after { content: ""; position: absolute; }

.system-icon-vc3d::before {
  top: 10px;
  left: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--vc3d);
  box-shadow: 12px 0 0 var(--accent), 0 12px 0 var(--brand), 12px 12px 0 #fff;
}

.system-icon-fues::before {
  top: 11px;
  left: 8px;
  width: 18px;
  height: 10px;
  border-radius: 8px 8px 4px 4px;
  background: linear-gradient(135deg, #fff, #a7dfff);
}

.system-icon-fues::after {
  top: 16px;
  right: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fues);
  box-shadow: 0 0 12px rgba(255, 79, 109, 0.6);
}

.system-icon-router::before {
  bottom: 10px;
  left: 10px;
  width: 22px;
  height: 12px;
  border-radius: 10px 10px 4px 4px;
  border: 2px solid var(--router);
  border-bottom: 0;
}

.system-icon-router::after {
  top: 8px;
  left: 19px;
  width: 2px;
  height: 18px;
  background: linear-gradient(180deg, #fff, var(--router));
}

.system-icon-emirror::before {
  top: 11px;
  left: 8px;
  width: 10px;
  height: 18px;
  border-radius: 8px 8px 6px 6px;
  background: linear-gradient(180deg, var(--emirror), #7affea);
  box-shadow: 16px 0 0 var(--accent);
}

.system-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.system-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(12, 26, 43, 0.88);
  border: 1px solid rgba(121, 210, 255, 0.14);
  color: #d7e7f7;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  animation: revealIn 0.8s ease forwards;
}

.reveal-left { transform: translateX(-22px); }
.reveal-right { transform: translateX(22px); }
.reveal-up { transform: translateY(22px); }
.delay-1 { animation-delay: 0.12s; }
.delay-2 { animation-delay: 0.24s; }
.delay-3 { animation-delay: 0.36s; }
.delay-4 { animation-delay: 0.48s; }

@keyframes revealIn {
  to { opacity: 1; transform: translate(0, 0); }
}

@keyframes topbarFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}

@keyframes gridDrift {
  0% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(8px, 10px, 0); }
  100% { transform: translate3d(0, 0, 0); }
}

@keyframes heroSweep {
  0%, 100% { transform: translateX(-120%); opacity: 0; }
  20% { opacity: 1; }
  55% { transform: translateX(120%); opacity: 0.7; }
  100% { opacity: 0; }
}

@keyframes notePulse {
  0%, 100% { box-shadow: 0 0 0 rgba(44, 224, 255, 0); }
  50% { box-shadow: 0 0 20px rgba(44, 224, 255, 0.12); }
}

@keyframes badgePulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2px); }
}

@keyframes statFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@keyframes orbitSpin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes orbitSpinReverse {
  from { transform: translate(-50%, -50%) rotate(360deg); }
  to { transform: translate(-50%, -50%) rotate(0deg); }
}

@keyframes nodePulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.18); opacity: 1; }
}

@keyframes cardGlow {
  0%, 100% { opacity: 0.14; transform: translateY(-50%) scale(1); }
  50% { opacity: 0.26; transform: translateY(-50%) scale(1.08); }
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-orbit { min-height: 180px; }
  .topbar {
    flex-wrap: wrap;
  }
  .top-actions {
    width: 100%;
    justify-content: stretch;
  }
  .top-action {
    flex: 1 1 240px;
  }
}

@media (max-width: 640px) {
  .landing-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 88px;
  }

  .topbar,
  .hero,
  .detail-section,
  .process-section,
  .systems-section,
  .benefits-section,
  .cta-section,
  .footer-card {
    border-radius: 22px;
  }

  .topbar { padding: 12px; }
  .brand-kicker { min-width: 92px; padding: 0 12px; }
  .top-links { margin-left: auto; }

  .top-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }

  .top-links a {
    width: 44px;
    min-width: 44px;
    padding: 0;
    justify-content: center;
  }

  .nav-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .process-grid,
  .detail-grid,
  .systems-grid,
  .benefits-grid,
  .access-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 { max-width: none; }
  .hero-orbit { min-height: 160px; }
}