:root {
  color-scheme: dark;
  --bg: #0b0d0d;
  --panel: #15191a;
  --panel-2: #1e2424;
  --text: #eef5f0;
  --muted: #b7c4c0;
  --line: #33413f;
  --accent: #91ff72;
  --accent-2: #7fc8ff;
  --warn: #f2c35f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(8, 10, 10, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  font-weight: 750;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 32px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.82rem;
}

.nav-links {
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a:hover {
  color: var(--text);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(8, 10, 10, 0.92), rgba(8, 10, 10, 0.62) 46%, rgba(8, 10, 10, 0.16)),
    linear-gradient(0deg, var(--bg), rgba(8, 10, 10, 0.2) 34%, rgba(8, 10, 10, 0.12));
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 36px));
  margin: 0 clamp(18px, 5vw, 72px) 11vh;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  max-width: 740px;
  font-size: clamp(3.2rem, 8vw, 7.4rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

.hero-copy {
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.32rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  font-weight: 700;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #071006;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.section {
  padding: clamp(64px, 9vw, 116px) clamp(18px, 5vw, 72px);
}

.section-intro {
  max-width: 780px;
  margin-bottom: 36px;
}

.section-intro p,
.copy-stack {
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  min-height: 190px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature p {
  margin-bottom: 0;
  color: var(--muted);
}

.visual-band {
  border-block: 1px solid var(--line);
  background: #050707;
}

.visual-band img {
  display: block;
  width: 100%;
  max-height: 720px;
  object-fit: cover;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  background: var(--panel-2);
}

.copy-stack p {
  margin-bottom: 18px;
}

.roadmap {
  background: #0f1213;
}

.timeline {
  display: grid;
  gap: 12px;
  max-width: 980px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 18px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.timeline span {
  color: var(--warn);
  font-size: 1.4rem;
  font-weight: 850;
}

.timeline p {
  margin-bottom: 0;
  color: var(--muted);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 820px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 90vh;
  }

  .hero-content {
    margin-bottom: 64px;
  }

  .feature-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }
}