:root {
  --bg: #08111f;
  --bg-alt: #0f172a;
  --surface: rgba(30, 41, 59, 0.86);
  --surface-strong: #172235;
  --border: rgba(148, 163, 184, 0.16);
  --text: #f8fafc;
  --muted: #a7b3c8;
  --soft: #64748b;
  --primary: #6366f1;
  --primary-2: #8b5cf6;
  --success: #22c55e;
  --shadow: 0 24px 70px rgba(4, 9, 18, 0.45);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 50% 18%, rgba(99, 102, 241, 0.24), transparent 28%),
    linear-gradient(180deg, #091224 0%, #08111f 100%);
  color: var(--text);
  font-family: Inter, sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.07) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 88%);
}

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

.site-shell {
  position: relative;
  width: min(calc(100% - 32px), var(--content));
  margin: 0 auto;
  padding: 20px 0 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0 18px;
}

.brand {
  font-family: "Space Mono", monospace;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav a,
.footer-nav a {
  color: var(--muted);
  transition: color 160ms ease;
}

.nav a:hover,
.footer-nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
}

.menu-button {
  display: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.78);
  color: var(--text);
  padding: 10px 14px;
  font: inherit;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
  padding: 36px 0 54px;
}

.hero-copy h1,
.section-heading h2,
.example-card h2,
.legal-page h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
}

.hero-copy h1 {
  max-width: 10ch;
}

.hero-text,
.card p,
.example-card p,
.legal-section p {
  color: var(--muted);
  line-height: 1.68;
}

.hero-text {
  max-width: 56ch;
  font-size: 1.08rem;
  margin: 22px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.store-links {
  margin-top: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  box-shadow: 0 16px 40px rgba(99, 102, 241, 0.3);
}

.button-secondary {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border);
}

.store-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 160ms ease, opacity 160ms ease;
}

.store-button-small {
  max-width: 180px;
}

.store-button:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

.store-button img {
  display: block;
  width: 190px;
  height: auto;
}

.hero-board,
.example-card,
.card,
.legal-page,
.footer {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-board {
  border-radius: 36px;
  padding: 32px;
}

.word-row {
  display: flex;
  gap: 18px;
  margin-bottom: 18px;
}

.tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 86px;
  aspect-ratio: 1;
  border-radius: 24px;
  background: linear-gradient(180deg, #203049 0%, #1b293e 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: "Space Mono", monospace;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
}

.tile-focus {
  background: linear-gradient(180deg, #756dff 0%, #5f4df2 100%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 20px 45px rgba(99, 102, 241, 0.33);
}

.tile-success {
  background: linear-gradient(180deg, #42d36f 0%, #1db954 100%);
}

.board-caption,
.brand,
.eyebrow,
.chain span,
.footer-brand {
  font-family: "Space Mono", monospace;
}

.board-caption {
  margin: 18px 0 0;
  text-align: center;
  font-size: clamp(2.7rem, 6vw, 4.7rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-shadow: 0 0 24px rgba(255, 255, 255, 0.22);
}

.eyebrow {
  margin: 0 0 12px;
  color: #92a3ff;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section {
  padding: 22px 0;
}

.section-heading {
  margin-bottom: 22px;
}

.section-heading h2 {
  max-width: 13ch;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border-radius: var(--radius-xl);
  padding: 24px;
}

.card h3,
.example-card h2,
.legal-section h2 {
  margin: 0 0 12px;
  font-size: 1.3rem;
  line-height: 1.2;
}

.feature-card {
  min-height: 180px;
}

.example-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  border-radius: 34px;
  padding: 28px;
}

.chain {
  display: grid;
  gap: 8px;
  align-content: start;
  min-width: 160px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(8, 17, 31, 0.55);
}

.chain span {
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.legal-shell {
  max-width: 860px;
}

.legal-page {
  border-radius: 34px;
  padding: 28px;
}

.legal-page h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
}

.legal-meta {
  margin: 12px 0 28px;
  color: var(--soft);
}

.legal-section + .legal-section {
  margin-top: 28px;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 36px;
  padding: 22px 24px;
  border-radius: 28px;
}

.footer-brand {
  margin: 0 0 6px;
  font-size: 1rem;
  letter-spacing: 0.1em;
}

.footer-copy {
  margin: 0;
  color: var(--muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 960px) {
  .hero,
  .example-card,
  .grid.three,
  .grid.two,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 28px;
  }

  .hero-copy h1,
  .section-heading h2 {
    max-width: none;
  }

  .example-card {
    gap: 18px;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--content));
    padding-top: 14px;
  }

  .menu-button {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    right: 0;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    min-width: 180px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(8, 17, 31, 0.94);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .nav.is-open {
    display: flex;
  }

  .word-row {
    gap: 10px;
  }

  .store-button,
  .store-button-small {
    width: auto;
  }

  .tile {
    width: clamp(58px, 19vw, 78px);
    border-radius: 18px;
  }

  .hero-board,
  .card,
  .example-card,
  .legal-page,
  .footer {
    border-radius: 24px;
  }
}