:root {
  --bg: #10120f;
  --panel: #171a16;
  --panel-2: #20241f;
  --text: #f3efe1;
  --muted: #b6b09e;
  --line: rgba(243, 239, 225, 0.16);
  --accent: #d7ff63;
  --accent-2: #ff6b35;
  --steel: #8fb8de;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --font-display: "Aptos Display", "Bahnschrift", "Segoe UI", sans-serif;
  --font-mono: "Cascadia Code", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(135deg, rgba(215, 255, 99, 0.08), transparent 32%),
    radial-gradient(circle at 85% 12%, rgba(255, 107, 53, 0.16), transparent 26%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 92px),
    var(--bg);
}

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

.hero {
  min-height: 88vh;
  padding: 28px clamp(20px, 4vw, 72px) 64px;
  border-bottom: 1px solid var(--line);
}

.nav {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin: 0 auto 82px;
  max-width: 1180px;
}

.brand,
.nav-links,
.hero-actions,
.score-row,
footer {
  align-items: center;
  display: flex;
}

.brand {
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  height: 42px;
  place-items: center;
  width: 42px;
  background: var(--accent);
  color: #11140f;
  font-family: var(--font-mono);
  font-weight: 900;
}

.nav-links {
  gap: 8px;
}

.nav-links a {
  border: 1px solid transparent;
  color: var(--muted);
  padding: 10px 12px;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: rgba(243, 239, 225, 0.06);
  border-color: var(--line);
  color: var(--text);
  outline: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.75fr);
  gap: clamp(32px, 6vw, 84px);
  margin: 0 auto;
  max-width: 1180px;
}

.eyebrow {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 16px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(3rem, 8vw, 7.4rem);
  letter-spacing: 0;
  line-height: 0.86;
  margin-bottom: 26px;
  max-width: 920px;
}

h2 {
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.96;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.45rem;
  margin-bottom: 12px;
}

.lede {
  color: var(--muted);
  font-size: clamp(1.06rem, 1.8vw, 1.35rem);
  line-height: 1.55;
  max-width: 720px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  border: 1px solid var(--line);
  cursor: pointer;
  font-weight: 800;
  padding: 14px 18px;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #11140f;
}

.button.secondary {
  background: rgba(243, 239, 225, 0.06);
  color: var(--text);
}

.terminal-card {
  align-self: center;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  min-height: 340px;
  overflow: hidden;
}

.terminal-top {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 8px;
  padding: 16px;
}

.terminal-top span {
  background: var(--muted);
  height: 10px;
  width: 10px;
}

.terminal-top span:first-child {
  background: var(--accent-2);
}

.terminal-top span:last-child {
  background: var(--accent);
}

pre {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.75;
  margin: 0;
  overflow-x: auto;
  padding: 24px;
}

.score-row {
  border-top: 1px solid var(--line);
  justify-content: space-between;
  padding: 22px 24px;
}

.score-row span {
  color: var(--muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.score-row strong {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 2rem;
}

main {
  margin: 0 auto;
  max-width: 1180px;
  padding: 72px clamp(20px, 4vw, 72px);
}

.band,
.split,
.command-strip {
  margin-bottom: 72px;
}

.section-head {
  max-width: 760px;
}

.capability-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
}

.capability {
  background: rgba(243, 239, 225, 0.05);
  border: 1px solid var(--line);
  cursor: pointer;
  min-height: 260px;
  padding: 24px;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.capability:hover,
.capability:focus-visible {
  background: rgba(215, 255, 99, 0.08);
  border-color: rgba(215, 255, 99, 0.5);
  outline: none;
  transform: translateY(-4px);
}

.capability-index {
  color: var(--accent-2);
  display: block;
  font-family: var(--font-mono);
  margin-bottom: 36px;
}

.capability p,
.split p {
  color: var(--muted);
  line-height: 1.6;
}

.split {
  align-items: start;
  display: grid;
  gap: clamp(24px, 6vw, 96px);
  grid-template-columns: 0.95fr 1.05fr;
}

.checklist {
  display: grid;
  gap: 12px;
}

.checklist a,
.command-strip div {
  background: rgba(143, 184, 222, 0.08);
  border: 1px solid var(--line);
  padding: 18px;
}

.checklist a {
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-mono);
  transition: border-color 180ms ease, color 180ms ease;
}

.checklist a:hover,
.checklist a:focus-visible {
  border-color: var(--steel);
  color: var(--steel);
  outline: none;
}

.command-strip {
  display: grid;
  gap: 14px;
}

.command-strip span {
  color: var(--accent);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.command-strip code {
  color: var(--text);
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  gap: 16px;
  justify-content: space-between;
  padding: 26px clamp(20px, 4vw, 72px);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
  }

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

  .nav {
    align-items: flex-start;
    display: grid;
    margin-bottom: 52px;
  }

  .nav-links {
    flex-wrap: wrap;
  }

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

@media (max-width: 560px) {
  .hero {
    padding-top: 18px;
  }

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

  .terminal-card {
    min-height: auto;
  }

  pre {
    font-size: 0.82rem;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}