:root {
  color-scheme: dark;
  --bg: #030403;
  --ink: #f5f7f0;
  --muted: #aab0a6;
  --faint: rgba(245, 247, 240, 0.12);
  --panel: rgba(13, 16, 14, 0.72);
  --lime: #c7ff6d;
  --mint: #60f0b0;
  --steel: #8fb4c6;
  --line: rgba(199, 255, 109, 0.26);
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family:
    "Space Grotesk", "Inter", ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

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

.signal-field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.42;
  z-index: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 74px;
  padding: 0 clamp(18px, 5vw, 68px);
  background: rgba(3, 4, 3, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 28px;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background:
    linear-gradient(135deg, transparent 42%, var(--lime) 44% 49%, transparent 51%),
    radial-gradient(circle at 66% 33%, var(--mint) 0 9%, transparent 10%),
    rgba(255, 255, 255, 0.03);
  box-shadow: 0 0 28px rgba(96, 240, 176, 0.28);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 40px);
  color: rgba(245, 247, 240, 0.78);
  font-size: 15px;
}

.nav-links a {
  transition: color 180ms ease;
}

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

.header-cta,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid rgba(245, 247, 240, 0.72);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  font-weight: 700;
  white-space: nowrap;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.header-cta {
  min-height: 44px;
  padding-inline: 20px;
  background: var(--ink);
  color: #060706;
}

.primary-button {
  border-color: rgba(199, 255, 109, 0.8);
  box-shadow:
    inset 0 0 0 1px rgba(96, 240, 176, 0.24),
    0 0 34px rgba(96, 240, 176, 0.18);
}

.primary-button:hover,
.header-cta:hover {
  transform: translateY(-2px);
  border-color: var(--mint);
  background: rgba(199, 255, 109, 0.12);
  color: var(--ink);
}

.hero {
  position: relative;
  z-index: 1;
  min-height: min(860px, 100svh);
  display: flex;
  align-items: center;
  padding: 120px clamp(20px, 6vw, 86px) 86px;
  overflow: hidden;
}

.hero-image,
.hero-vignette {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
  opacity: 0.72;
  filter: saturate(0.92) contrast(1.08);
}

.hero-vignette {
  background:
    radial-gradient(circle at 70% 52%, rgba(96, 240, 176, 0.14), transparent 31%),
    linear-gradient(90deg, rgba(3, 4, 3, 0.94) 0%, rgba(3, 4, 3, 0.74) 43%, rgba(3, 4, 3, 0.24) 100%),
    linear-gradient(180deg, rgba(3, 4, 3, 0.92) 0%, transparent 20%, rgba(3, 4, 3, 0.84) 100%);
}

.hero-content {
  position: relative;
  max-width: 760px;
  padding-top: 28px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--lime);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(48px, 8.8vw, 112px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 640px;
  margin-bottom: 36px;
  color: rgba(245, 247, 240, 0.74);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.launch-note {
  color: var(--muted);
  font-size: 14px;
}

.next-hint {
  position: absolute;
  left: clamp(20px, 6vw, 86px);
  right: clamp(20px, 6vw, 86px);
  bottom: 24px;
  display: grid;
  grid-template-columns: 1fr 92px;
  gap: 18px;
  align-items: center;
  opacity: 0.62;
}

.next-hint span {
  height: 1px;
  background: rgba(245, 247, 240, 0.22);
}

.next-hint span:last-child {
  background: linear-gradient(90deg, var(--lime), var(--mint));
}

.signal,
.grid-section,
.access,
.site-footer {
  position: relative;
  z-index: 1;
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}

.signal {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.72fr);
  gap: clamp(28px, 8vw, 104px);
  padding: 98px 0 72px;
  border-bottom: 1px solid var(--faint);
}

.signal h2,
.access h2 {
  margin-bottom: 0;
  font-size: clamp(36px, 5.6vw, 74px);
  line-height: 0.98;
  letter-spacing: 0;
}

.signal > p {
  align-self: end;
  margin-bottom: 4px;
  color: rgba(245, 247, 240, 0.68);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.62;
}

.grid-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 0 0 94px;
}

.feature-card {
  min-height: 280px;
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--faint);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015)),
    var(--panel);
  backdrop-filter: blur(16px);
}

.card-index {
  display: block;
  margin-bottom: 78px;
  color: var(--steel);
  font-size: 13px;
  font-weight: 800;
}

.feature-card h3 {
  margin-bottom: 16px;
  font-size: clamp(23px, 2.3vw, 31px);
  line-height: 1.05;
}

.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.56;
}

.access {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding: 82px clamp(22px, 5vw, 58px);
  margin-bottom: 44px;
  border: 1px solid rgba(199, 255, 109, 0.24);
  background:
    radial-gradient(circle at 85% 15%, rgba(199, 255, 109, 0.16), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015));
  overflow: hidden;
}

.access-copy {
  max-width: 720px;
}

.compact {
  flex: 0 0 auto;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 30px 0 42px;
  color: rgba(245, 247, 240, 0.52);
  font-size: 14px;
}

@media (max-width: 860px) {
  .site-header {
    height: 68px;
  }

  .nav-links {
    display: none;
  }

  .brand {
    font-size: 24px;
  }

  .header-cta {
    min-height: 40px;
    padding-inline: 16px;
  }

  .hero {
    min-height: 760px;
    padding-top: 104px;
    align-items: end;
  }

  .hero-vignette {
    background:
      linear-gradient(180deg, rgba(3, 4, 3, 0.72) 0%, rgba(3, 4, 3, 0.38) 30%, rgba(3, 4, 3, 0.94) 92%),
      linear-gradient(90deg, rgba(3, 4, 3, 0.8), rgba(3, 4, 3, 0.16));
  }

  h1 {
    font-size: clamp(46px, 13vw, 72px);
  }

  .signal,
  .grid-section,
  .access {
    width: min(100% - 32px, var(--max));
  }

  .signal {
    grid-template-columns: 1fr;
    padding-top: 72px;
  }

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

  .feature-card {
    min-height: 220px;
  }

  .card-index {
    margin-bottom: 42px;
  }

  .access {
    display: grid;
    padding: 48px 24px;
  }

  .site-footer {
    width: min(100% - 32px, var(--max));
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .site-header {
    padding-inline: 14px;
  }

  .brand-mark {
    width: 24px;
    height: 24px;
  }

  .header-cta {
    font-size: 13px;
  }

  .hero {
    min-height: 720px;
    padding-inline: 18px;
    padding-bottom: 76px;
  }

  .primary-button {
    width: 100%;
  }

  .launch-note {
    width: 100%;
    text-align: center;
  }
}