:root {
  color-scheme: dark;
  --bg: #1a2c35;
  --bg-soft: #1f313a;
  --surface: rgba(35, 56, 67, 0.76);
  --surface-strong: rgba(46, 66, 76, 0.9);
  --surface-elevated: rgba(52, 72, 82, 0.94);
  --text: #ffffff;
  --text-strong: #ffffff;
  --muted: #a5c0cb;
  --line: rgba(221, 234, 239, 0.12);
  --line-strong: rgba(45, 212, 191, 0.34);
  --primary-300: #38bdf8;
  --primary-400: #0ea5e9;
  --primary-500: #0284c7;
  --primary-600: #0369a1;
  --teal-400: #2dd4bf;
  --teal-500: #14b8a6;
  --teal-600: #0d9488;
  --glow: 0 24px 80px rgba(45, 212, 191, 0.18);
  --shadow: 0 20px 70px rgba(17, 25, 30, 0.38);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max-width: 1180px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: radial-gradient(circle at top, #2e424c 0%, var(--bg) 62%, #11191e 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(circle at 14% 18%, rgba(45, 212, 191, 0.16), transparent 28%),
    radial-gradient(circle at 84% 12%, rgba(56, 189, 248, 0.14), transparent 24%),
    linear-gradient(180deg, #2e424c 0%, #233843 16%, #1f313a 40%, #1a2c35 100%);
}

body.site-page {
  display: flex;
  flex-direction: column;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 42%, transparent 90%);
}

main {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 28px 0 72px;
  flex: 1;
}

p,
ul,
ol {
  margin: 0;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  color: var(--text-strong);
}

h1 {
  font-size: clamp(2.9rem, 6vw, 6rem);
  letter-spacing: -0.05em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  letter-spacing: -0.04em;
}

h3 {
  font-size: 1.1rem;
}

.site-shell {
  display: grid;
  gap: 24px;
}

.topbar,
.hero,
.panel,
.site-footer {
  position: relative;
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
}

.topbar,
.panel,
.site-footer {
  border-radius: var(--radius-lg);
}

.hero {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
}

.brand,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, #7dd3fc 0%, #0284c7 100%);
  box-shadow: 0 0 24px rgba(45, 212, 191, 0.45);
}

.mountain-logo {
  width: 28px;
  height: 28px;
  display: inline-block;
}

.mountain-logo svg {
  width: 100%;
  height: 100%;
  display: block;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.03em;
}

.topnav,
.footer-links,
.inline-links,
.link-grid,
.button-row,
.meta-cluster,
.chip-row,
.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
}

.topnav a,
.footer-links a,
.inline-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.topnav a:hover,
.footer-links a:hover,
.inline-links a:hover {
  color: var(--text-strong);
}

.hero {
  padding: 32px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% 35%;
  height: 380px;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.18), transparent 65%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: center;
}

.hero-copy,
.hero-card,
.panel,
.panel-grid,
.stack {
  display: grid;
  gap: 18px;
}

.eyebrow,
.pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(20, 184, 166, 0.12);
  color: #eef5f8;
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-lede,
.meta,
.muted,
.panel-copy {
  color: var(--muted);
}

.hero-lede {
  font-size: clamp(1.05rem, 1.5vw, 1.24rem);
  max-width: 60ch;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}

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

.button-primary {
  color: #0f1f26;
  background: linear-gradient(135deg, var(--teal-400), var(--teal-500));
  box-shadow: var(--glow);
}

.button-secondary {
  color: var(--text-strong);
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.04);
}

.hero-card,
.mock-window,
.metric-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(46, 66, 76, 0.96), rgba(31, 49, 58, 0.96));
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 22px;
}

.window-bar {
  display: flex;
  gap: 8px;
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
}

.window-dot.is-live { background: #2dd4bf; }
.window-dot.is-active { background: #38bdf8; }

.mock-window {
  padding: 18px;
}

.mock-post,
.metric-card,
.callout,
.notice {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}

.mock-post strong,
.metric-value {
  color: var(--text-strong);
}

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

.metric-value {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.panel {
  padding: 24px;
}

.panel-header {
  display: grid;
  gap: 10px;
  max-width: 64ch;
}

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

.card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.link-card,
.legal-card {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
}

.link-card {
  text-decoration: none;
}

.link-card:hover {
  border-color: var(--line-strong);
}

.kicker {
  color: var(--teal-400);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-row {
  margin-top: 6px;
}

.stat {
  color: var(--text-strong);
  font-weight: 700;
}

.list-clean {
  padding-left: 18px;
}

.list-clean li + li {
  margin-top: 8px;
}

.callout {
  border-color: rgba(45, 212, 191, 0.32);
  background: linear-gradient(180deg, rgba(20, 184, 166, 0.16), rgba(13, 148, 136, 0.08));
}

.notice {
  border-color: rgba(165, 192, 203, 0.22);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  margin-bottom: 24px;
}

.meta small,
.small {
  font-size: 0.92rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  background: rgba(255,255,255,0.08);
  padding: 2px 6px;
  border-radius: 8px;
}

@media (max-width: 980px) {
  .hero-grid,
  .metric-grid,
  .card-grid.four {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .card-grid.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  main {
    width: min(calc(100% - 20px), var(--max-width));
    padding: 16px 0 48px;
  }

  .topbar,
  .hero,
  .panel,
  .site-footer {
    padding: 18px;
  }

  .topbar,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .button {
    width: 100%;
  }

  .button-row {
    display: grid;
    grid-template-columns: 1fr;
  }
}