:root {
  color-scheme: dark;
  --bg: #080b0d;
  --bg-soft: #101519;
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --line: rgba(255, 255, 255, 0.14);
  --line-soft: rgba(255, 255, 255, 0.08);
  --text: #f5f0e7;
  --muted: rgba(245, 240, 231, 0.72);
  --subtle: rgba(245, 240, 231, 0.52);
  --gold: #f1b85d;
  --gold-soft: rgba(241, 184, 93, 0.16);
  --teal: #56d6c2;
  --blue: #84a8ff;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --shell: 1180px;
  --header-h: 72px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 72% 10%, rgba(86, 214, 194, 0.12), transparent 28rem),
    radial-gradient(circle at 20% 0%, rgba(241, 184, 93, 0.12), transparent 26rem),
    linear-gradient(180deg, #07090b 0%, #0d1114 45%, #080b0d 100%);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
}

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

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

.shell {
  width: min(var(--shell), calc(100% - 48px));
  margin: 0 auto;
}

.section-pad {
  padding: 112px 0;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 200;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--text);
  color: var(--bg);
}

.skip-link:focus {
  transform: translateY(0);
}

.btn {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  padding: 10px 16px;
  color: var(--text);
  font-weight: 700;
  white-space: nowrap;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

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

.btn-primary {
  color: #16100a;
  background: linear-gradient(135deg, #ffe0a3, #e99e37);
  box-shadow: 0 14px 40px rgba(241, 184, 93, 0.24);
}

.btn-secondary {
  border: 1px solid rgba(245, 240, 231, 0.28);
  background: rgba(255, 255, 255, 0.06);
}

.btn-ghost {
  border: 1px solid rgba(245, 240, 231, 0.16);
  color: rgba(245, 240, 231, 0.86);
  background: rgba(255, 255, 255, 0.035);
}

.btn-large {
  min-height: 52px;
  padding: 13px 22px;
}

.eyebrow {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.4;
  text-transform: uppercase;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-head.left {
  margin: 0;
  text-align: left;
}

.section-head h2,
.split-copy h2,
.feature-copy h2,
.team-panel h2,
.final-panel h2 {
  margin-top: 12px;
  font-size: 42px;
  line-height: 1.14;
  letter-spacing: 0;
}

.section-head p:not(.eyebrow),
.split-copy p,
.feature-copy p,
.team-panel p,
.final-panel p {
  margin-top: 18px;
  color: var(--muted);
}

.small-note {
  color: var(--subtle);
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms ease, transform 560ms ease;
}

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

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

  .btn,
  .reveal {
    transition: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .shell {
    width: min(100% - 36px, var(--shell));
  }

  .section-pad {
    padding: 78px 0;
  }

  .section-head h2,
  .split-copy h2,
  .feature-copy h2,
  .team-panel h2,
  .final-panel h2 {
    font-size: 32px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .shell {
    width: min(100% - 28px, var(--shell));
  }

  .section-pad {
    padding: 64px 0;
  }

  .section-head h2,
  .split-copy h2,
  .feature-copy h2,
  .team-panel h2,
  .final-panel h2 {
    font-size: 28px;
  }

  .btn-large {
    width: 100%;
  }
}