/* Minimal, accessible, GitHub Pages-friendly SPA styles (no framework). */

:root {
  --bg: #0b0f14;
  --card: rgba(255, 255, 255, 0.06);
  --card-2: rgba(255, 255, 255, 0.09);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --border: rgba(255, 255, 255, 0.12);
  --accent: #57b6ff;
  --accent-2: #8bd6ff;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --maxw: 980px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fb;
    --card: rgba(8, 18, 30, 0.06);
    --card-2: rgba(8, 18, 30, 0.085);
    --text: rgba(8, 18, 30, 0.92);
    --muted: rgba(8, 18, 30, 0.72);
    --border: rgba(8, 18, 30, 0.12);
    --accent: #1263b9;
    --accent-2: #2b8cff;
    --shadow: 0 14px 44px rgba(20, 30, 50, 0.12);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(900px 500px at 10% 0%, rgba(87, 182, 255, 0.26), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(139, 214, 255, 0.18), transparent 55%), var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--maxw), calc(100% - 32px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 999;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}
.skip-link:focus {
  left: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.35), transparent);
  backdrop-filter: blur(14px);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}
.brand__logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  letter-spacing: 0.6px;
  box-shadow: var(--shadow);
}
.brand__name {
  font-weight: 800;
  line-height: 1.15;
}
.brand__sub {
  font-size: 12px;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
.nav__link {
  padding: 9px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--text);
  background: transparent;
}
.nav__link[aria-current="page"] {
  border-color: var(--border);
  background: var(--card);
}
.nav__link:focus-visible {
  outline: 3px solid rgba(87, 182, 255, 0.35);
  outline-offset: 2px;
}

.hero {
  padding: 26px 0 14px;
}

.hero h1 {
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

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

.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.chip {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 12px;
}

.view {
  margin: 14px 0 38px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page {
  padding: 22px 18px;
}

.page h2 {
  margin: 0 0 10px;
  letter-spacing: -0.015em;
}

.page h3 {
  margin: 18px 0 8px;
}

.page p {
  line-height: 1.6;
  margin: 10px 0;
}

.page ul {
  margin: 10px 0 10px 20px;
  line-height: 1.7;
}

.callout {
  border: 1px solid var(--border);
  background: var(--card-2);
  border-radius: 14px;
  padding: 14px 14px;
  margin: 14px 0;
}
.callout strong {
  display: inline-block;
  margin-bottom: 6px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 18px 0 26px;
}
.footer__inner p {
  margin: 6px 0;
  font-size: 13px;
}

@media (min-width: 720px) {
  .page {
    padding: 28px 26px;
  }
}