/* System fonts only (no external requests). */
:root {
  color-scheme: dark;
  --bg0: #070b14;
  --bg1: #0b1220;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.09);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --faint: rgba(255, 255, 255, 0.58);
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);

  --accent: #35d0ba;
  --accent2: #7c5cff;
  --warn: #ffd38a;

  --radius: 16px;
  --radius-sm: 12px;
  --container: 1100px;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(1000px 500px at 15% 15%, rgba(53, 208, 186, 0.18), transparent 60%),
    radial-gradient(900px 480px at 90% 20%, rgba(124, 92, 255, 0.20), transparent 55%),
    radial-gradient(800px 520px at 55% 95%, rgba(255, 211, 138, 0.12), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

a {
  color: inherit;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid var(--border);
  transform: translateY(-200%);
  transition: transform 120ms ease;
  z-index: 1000;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 3px solid rgba(53, 208, 186, 0.7);
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(7, 11, 20, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  user-select: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: 0.02em;
  background:
    radial-gradient(16px 16px at 30% 25%, rgba(255, 255, 255, 0.35), transparent 60%),
    linear-gradient(135deg, rgba(53, 208, 186, 0.9), rgba(124, 92, 255, 0.9));
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.brand-name {
  font-weight: 750;
  letter-spacing: 0.01em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background:
    radial-gradient(120px 40px at 30% 0%, rgba(255, 255, 255, 0.18), transparent 60%),
    linear-gradient(135deg, rgba(53, 208, 186, 0.85), rgba(124, 92, 255, 0.85));
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.button:focus-visible {
  outline: 3px solid rgba(53, 208, 186, 0.7);
  outline-offset: 3px;
}

.site-main {
  padding-bottom: 3.5rem;
}

.hero {
  padding: 2.2rem 0 1.5rem;
}

.hero-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.9rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-weight: 650;
  letter-spacing: 0.01em;
}

h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0 0 1.2rem;
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 60ch;
}

.cta-row {
  display: grid;
  gap: 0.6rem;
  margin: 0 0 1.25rem;
}

.cta-note {
  margin: 0;
  color: var(--faint);
  font-size: 0.95rem;
}

.highlights {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  margin: 0;
  padding: 0;
}

.highlight {
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.highlight dt {
  font-weight: 800;
  color: rgba(255, 255, 255, 0.9);
}

.highlight dd {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.hero-card {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(400px 220px at 15% 0%, rgba(53, 208, 186, 0.10), transparent 60%),
    radial-gradient(380px 220px at 90% 0%, rgba(124, 92, 255, 0.12), transparent 55%),
    rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow);
  padding: 1.1rem;
}

.section-title {
  margin: 0 0 0.9rem;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.focus-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}

.tile {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.9rem 0.95rem;
}

.tile--accent {
  border-color: rgba(53, 208, 186, 0.45);
  background:
    radial-gradient(120px 60px at 15% 0%, rgba(53, 208, 186, 0.18), transparent 65%),
    rgba(255, 255, 255, 0.04);
}

.tile h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

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

.value {
  padding: 1.6rem 0 0;
}

.value-list {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
  max-width: 75ch;
}

.value-list li {
  margin: 0.6rem 0;
}

.value-list strong {
  color: rgba(255, 255, 255, 0.92);
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(0, 0, 0, 0.22);
  padding: 1.6rem 0 2.2rem;
}

.footer-grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: 1fr;
}

.footer-title {
  margin: 0 0 0.5rem;
  font-weight: 800;
}

.footer-muted {
  margin: 0.5rem 0 0;
  color: var(--faint);
  max-width: 80ch;
}

.footer-todos ul {
  margin: 0.35rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

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

@media (min-width: 740px) {
  .hero {
    padding: 3.1rem 0 1.8rem;
  }

  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .cta-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex-wrap: wrap;
  }

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

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

  .footer-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
  }
}

@media (prefers-contrast: more) {
  :root {
    --border: rgba(255, 255, 255, 0.24);
  }

  .tile,
  .highlight,
  .hero-card,
  .site-footer,
  .site-header {
    border-color: rgba(255, 255, 255, 0.22);
  }
}