:root {
  color-scheme: light dark;
  --bg: #0b1020;
  --bg2: #0e1631;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.7);
  --brand: #7c5cff;
  --brand-2: #22d3ee;
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --max: 1100px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8ff;
    --bg2: #ffffff;
    --surface: rgba(13, 24, 45, 0.05);
    --surface-2: rgba(13, 24, 45, 0.08);
    --text: rgba(13, 24, 45, 0.92);
    --muted: rgba(13, 24, 45, 0.7);
    --border: rgba(13, 24, 45, 0.12);
    --shadow: 0 20px 60px rgba(13, 24, 45, 0.14);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 20% 0%, rgba(124, 92, 255, 0.25), transparent 55%),
    radial-gradient(900px 540px at 90% 10%, rgba(34, 211, 238, 0.22), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--text);
  line-height: 1.5;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.container {
  max-width: var(--max);
  padding: 0 20px;
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 10px;
  padding: 10px 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.skip-link:focus {
  left: 10px;
  z-index: 9999;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  background: rgba(0, 0, 0, 0.12);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

@media (prefers-color-scheme: light) {
  .site-header {
    background: rgba(255, 255, 255, 0.62);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.logo {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: radial-gradient(12px 12px at 30% 30%, rgba(255, 255, 255, 0.55), transparent 70%),
    linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 22px rgba(124, 92, 255, 0.35);
}

.logo-img {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: block;
  object-fit: contain;
  box-shadow: 0 8px 22px rgba(124, 92, 255, 0.35);
}

.site-nav,
.footer-nav {
  display: flex;
  align-items: center;
  gap: 16px;
}

.site-nav a,
.footer-nav a {
  padding: 8px 10px;
  border-radius: 10px;
  opacity: 0.9;
}

.site-nav a[aria-current="page"],
.footer-nav a[aria-current="page"] {
  background: var(--surface);
  border: 1px solid var(--border);
  opacity: 1;
  text-decoration: none;
}

.hero {
  padding: 56px 0 26px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
}

.hero-copy h1 {
  margin: 0 0 10px;
  font-size: clamp(38px, 4.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 18px;
  font-size: 18px;
  color: var(--muted);
  max-width: 62ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
  font-weight: 600;
  text-decoration: none !important;
}

.button.primary {
  border: 1px solid rgba(124, 92, 255, 0.55);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.95), rgba(34, 211, 238, 0.75));
  color: #0b1020;
}

.button:focus-visible {
  outline: 3px solid rgba(34, 211, 238, 0.55);
  outline-offset: 2px;
}

.fineprint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}

.mock {
  border-radius: 14px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

@media (prefers-color-scheme: light) {
  .mock {
    background: rgba(13, 24, 45, 0.06);
    border: 1px solid rgba(13, 24, 45, 0.1);
  }
}

.mock-top {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.32);
}

.mock-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bubble {
  max-width: 85%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 14px;
  color: var(--text);
}

.bubble.left {
  align-self: flex-start;
}

.bubble.right {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.28), rgba(34, 211, 238, 0.18));
}

.section {
  padding: 46px 0;
}

.section h2 {
  margin: 0 0 16px;
  font-size: 26px;
  letter-spacing: -0.01em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.12);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 22px 0;
  background: rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: light) {
  .site-footer {
    background: rgba(255, 255, 255, 0.52);
  }
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.muted {
  color: var(--muted);
}

.prose {
  max-width: 80ch;
}

.prose h1 {
  margin: 0 0 8px;
  font-size: 36px;
  letter-spacing: -0.02em;
}

.prose h2 {
  margin: 28px 0 10px;
  font-size: 22px;
}

.prose p {
  margin: 10px 0;
}

.prose ul {
  margin: 10px 0 10px 22px;
}

.prose li {
  margin: 8px 0;
}

.prose hr {
  margin: 26px 0;
  border: none;
  border-top: 1px solid var(--border);
}

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