:root {
  color-scheme: dark;
  --bg: #06111a;
  --bg-alt: #0b1722;
  --ink: #f8fafc;
  --muted: #c7d2de;
  --soft: rgba(226, 232, 240, 0.1);
  --line: rgba(226, 232, 240, 0.16);
  --panel: rgba(11, 23, 34, 0.8);
  --panel-strong: rgba(4, 11, 18, 0.92);
  --accent: #1dd1a1;
  --accent-2: #fbbf24;
  --accent-3: #60a5fa;
  --accent-ink: #03110c;
  --shadow: 0 30px 80px rgba(1, 6, 11, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 18%, rgba(29, 209, 161, 0.18), transparent 26%),
    radial-gradient(circle at 82% 20%, rgba(251, 191, 36, 0.12), transparent 24%),
    linear-gradient(135deg, var(--bg) 0%, #091521 48%, #102235 100%);
  color: var(--ink);
  font-family:
    "Segoe UI", "Segoe UI Variable", Inter, ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, sans-serif;
}

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

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

.site-shell {
  min-height: 100vh;
}

.screen {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  padding: 28px clamp(18px, 4vw, 72px);
}

.screen--hero {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.topline {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-size: clamp(24px, 3vw, 42px);
  font-weight: 800;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 15px;
}

.nav-links a {
  padding: 8px 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, 100%);
  align-self: center;
  padding: 48px 0 86px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(56px, 10vw, 122px);
  line-height: 0.92;
  font-weight: 900;
}

.hero-subtitle {
  margin: 14px 0 0;
  max-width: 680px;
  font-size: clamp(21px, 2.2vw, 30px);
  line-height: 1.12;
  font-weight: 700;
}

.lead {
  margin: 18px 0 0;
  max-width: 700px;
  color: var(--muted);
  font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.55;
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.signal-row span {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  font-weight: 800;
}

.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.secondary {
  background: rgba(248, 250, 252, 0.06);
  color: var(--ink);
}

.wide {
  width: 100%;
}

.hero-visual {
  position: absolute;
  inset: 0;
  opacity: 0.94;
  background:
    linear-gradient(90deg, rgba(6, 17, 26, 0.96), rgba(6, 17, 26, 0.54) 42%, rgba(6, 17, 26, 0.16)),
    linear-gradient(180deg, rgba(6, 17, 26, 0.12), rgba(6, 17, 26, 0.82));
}

.visual-grid {
  position: absolute;
  right: 4vw;
  top: 13vh;
  width: min(560px, 52vw);
  height: 50vh;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  transform: perspective(900px) rotateY(-12deg);
}

.tile {
  border-radius: 6px;
  border: 1px solid rgba(226, 232, 240, 0.3);
  box-shadow: 0 18px 48px rgba(3, 10, 16, 0.22);
}

.tile-audio {
  background:
    linear-gradient(180deg, rgba(96, 165, 250, 0.3), rgba(11, 23, 34, 0.62)),
    repeating-linear-gradient(180deg, rgba(248, 250, 252, 0.2) 0 2px, transparent 2px 18px);
}

.tile-light {
  background:
    linear-gradient(180deg, rgba(251, 191, 36, 0.32), rgba(11, 23, 34, 0.58)),
    repeating-linear-gradient(180deg, rgba(251, 191, 36, 0.18) 0 6px, transparent 6px 22px);
}

.tile-led {
  background:
    linear-gradient(180deg, rgba(29, 209, 161, 0.32), rgba(11, 23, 34, 0.58)),
    repeating-linear-gradient(90deg, rgba(29, 209, 161, 0.26) 0 6px, transparent 6px 18px);
}

.tile-band {
  background:
    linear-gradient(180deg, rgba(248, 113, 113, 0.26), rgba(11, 23, 34, 0.58)),
    repeating-linear-gradient(45deg, rgba(248, 113, 113, 0.2) 0 8px, transparent 8px 20px);
}

.floating-card {
  position: absolute;
  border-radius: 8px;
  border: 1px solid rgba(226, 232, 240, 0.24);
  background:
    linear-gradient(180deg, rgba(14, 30, 44, 0.22), rgba(4, 11, 18, 0.82)),
    repeating-linear-gradient(0deg, rgba(96, 165, 250, 0.22) 0 24px, rgba(4, 11, 18, 0.2) 24px 28px);
  box-shadow: var(--shadow);
}

.floating-card--left {
  left: 10vw;
  bottom: 16vh;
  width: 220px;
  height: 150px;
}

.floating-card--right {
  right: 24vw;
  bottom: 12vh;
  width: 260px;
  height: 178px;
}

.console {
  position: absolute;
  right: 3vw;
  bottom: 4vh;
  width: min(520px, 38vw);
  height: 96px;
  border-radius: 8px;
  border: 1px solid rgba(226, 232, 240, 0.2);
  background:
    repeating-linear-gradient(90deg, rgba(29, 209, 161, 0.5) 0 5px, transparent 5px 24px),
    linear-gradient(160deg, #213245, #050b11);
  transform: skewX(-10deg);
}

.screen--request {
  display: grid;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(9, 21, 33, 0.98), rgba(4, 11, 18, 0.98)),
    radial-gradient(circle at 78% 18%, rgba(251, 191, 36, 0.18), transparent 34%);
}

.request-grid {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(280px, 0.94fr) minmax(320px, 1.16fr);
  gap: clamp(22px, 4vw, 54px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1;
  font-weight: 900;
}

.request-text {
  margin: 18px 0 0;
  max-width: 540px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.58;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.info-card,
.quote-panel {
  min-height: 220px;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.card-index {
  color: var(--accent-2);
  font-weight: 900;
}

.info-card h3,
.quote-panel h3 {
  margin: 34px 0 10px;
  font-size: 20px;
}

.info-card p,
.quote-panel li,
.panel-note {
  color: var(--muted);
  line-height: 1.5;
}

.quote-panel {
  grid-column: 2;
  min-height: auto;
  background: var(--panel-strong);
}

.quote-panel h3 {
  margin-top: 0;
}

.quote-panel ul {
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
  padding-left: 20px;
}

.panel-note {
  margin: 16px 0 0;
  font-size: 14px;
}

@media (max-width: 860px) {
  .screen {
    min-height: auto;
    padding: 22px 18px 46px;
  }

  .screen--hero {
    min-height: 100vh;
  }

  .topline,
  .nav-links,
  .actions {
    align-items: flex-start;
  }

  .topline {
    flex-direction: column;
  }

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

  .hero-content {
    padding: 48px 0 70px;
  }

  .visual-grid {
    right: -28vw;
    top: 28vh;
    width: 92vw;
    height: 45vh;
    opacity: 0.45;
  }

  .floating-card,
  .console {
    opacity: 0.48;
  }

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

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

  .quote-panel {
    grid-column: auto;
  }
}

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