:root {
  --bg: #0f1a24;
  --bg-elevated: #162433;
  --ink: #e8eef4;
  --ink-muted: #9aafc0;
  --ice: #7eb8d4;
  --signal: #e23d3d;
  --line: rgba(232, 238, 244, 0.12);
  --font-display: "Bricolage Grotesque", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --focus: 0 0 0 2px var(--bg), 0 0 0 4px var(--ice);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  position: relative;
  overflow-x: hidden;
}

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

a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-2);
  z-index: 100;
  padding: var(--space-1) var(--space-2);
  background: var(--ice);
  color: var(--bg);
  font-weight: 600;
  border-radius: 4px;
}

.skip-link:focus {
  top: var(--space-2);
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 15% 10%, rgba(126, 184, 212, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 45% at 90% 80%, rgba(226, 61, 61, 0.12), transparent 50%),
    linear-gradient(165deg, #0c1520 0%, #132030 45%, #0f1a24 100%);
  animation: drift 18s ease-in-out infinite alternate;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.04;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) clamp(var(--space-2), 5vw, var(--space-6));
  max-width: 1100px;
  margin: 0 auto;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.mail-link {
  font-size: 0.875rem;
  color: var(--ink-muted);
  transition: color 180ms var(--ease-out);
}

.mail-link:hover {
  color: var(--ice);
}

.mail-link:active {
  color: var(--ink);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(var(--space-2), 5vw, var(--space-6)) var(--space-6);
}

.hero {
  min-height: min(72vh, 640px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5) 0 var(--space-6);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ice);
}

.eyebrow--accent {
  color: var(--signal);
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4rem, 16vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.lede {
  margin: var(--space-3) 0 0;
  max-width: 32rem;
  color: var(--ink-muted);
  font-size: 1.125rem;
}

.feature {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) 0 var(--space-5);
}

@media (min-width: 800px) {
  .feature {
    grid-template-columns: 1fr 1.1fr;
    align-items: end;
    gap: var(--space-5);
  }
}

.feature-copy h2 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.feature-copy p:last-child {
  margin: 0;
  color: var(--ink-muted);
  max-width: 28rem;
}

.platforms {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.platform {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: var(--space-2);
  align-items: center;
  min-height: 72px;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 180ms var(--ease-out), padding-left 180ms var(--ease-out);
}

.platform-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.platform-meta {
  grid-column: 1;
  font-size: 0.875rem;
  color: var(--ink-muted);
}

.platform-arrow {
  grid-row: 1 / span 2;
  grid-column: 2;
  font-size: 1.5rem;
  color: var(--ice);
  transition: transform 180ms var(--ease-out), color 180ms var(--ease-out);
}

.platform:hover {
  padding-left: var(--space-1);
}

.platform:hover .platform-arrow {
  transform: translateX(4px);
  color: var(--signal);
}

.platform:active {
  opacity: 0.85;
}

.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(var(--space-2), 5vw, var(--space-6)) var(--space-5);
  color: var(--ink-muted);
  font-size: 0.875rem;
}

.site-footer p {
  margin: 0;
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
}

.animate-in {
  opacity: 0;
  transform: translateY(16px);
  animation: rise 700ms var(--ease-out) forwards;
}

.delay-1 { animation-delay: 80ms; }
.delay-2 { animation-delay: 160ms; }
.delay-3 { animation-delay: 240ms; }
.delay-4 { animation-delay: 320ms; }
.delay-5 { animation-delay: 400ms; }
.delay-6 { animation-delay: 480ms; }
.delay-7 { animation-delay: 560ms; }

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes drift {
  from {
    transform: scale(1) translate(0, 0);
  }
  to {
    transform: scale(1.05) translate(-1.5%, 1%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .atmosphere {
    animation: none;
  }

  .animate-in {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .platform,
  .platform-arrow,
  .mail-link {
    transition: none;
  }
}