:root {
  --page-bg:
    radial-gradient(circle at top left, rgba(164, 197, 234, 0.42), transparent 34%),
    radial-gradient(circle at bottom right, rgba(230, 205, 174, 0.34), transparent 32%),
    linear-gradient(180deg, #eef4f8 0%, #f7f1eb 100%);
  --panel-bg: rgba(255, 255, 255, 0.82);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --panel-border: rgba(41, 78, 119, 0.12);
  --text-main: #17324a;
  --text-muted: #567088;
  --text-soft: #72879a;
  --accent: #175ea7;
  --accent-strong: #0d437d;
  --accent-warm: #cf7e28;
  --shadow: 0 24px 60px rgba(32, 62, 91, 0.14);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  background: #edf3f7;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--page-bg);
  color: var(--text-main);
  font-family: "Source Sans 3", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

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

a:hover {
  color: var(--accent-strong);
  text-decoration: underline;
}

.site-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 24px auto;
}

.page-header {
  padding: 28px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(12, 61, 111, 0.96), rgba(34, 109, 179, 0.88)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
  color: #f4f8fb;
  box-shadow: var(--shadow);
}

.page-header.compact {
  padding-bottom: 20px;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  color: #ffffff;
  font-family: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand:hover {
  color: #ffffff;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-link {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link:hover,
.nav-link.current {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.15);
  text-decoration: none;
}

.hero {
  padding: 72px 0 18px;
}

.compact-hero {
  padding-top: 40px;
}

.eyebrow {
  margin: 0 0 12px;
  color: rgba(239, 245, 251, 0.8);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.project-name {
  margin: 0;
  font-family: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(2.7rem, 7vw, 4.9rem);
  line-height: 0.96;
}

.project-tagline {
  max-width: 720px;
  margin: 18px 0 0;
  color: rgba(240, 247, 252, 0.88);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-weight: 600;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.34);
  color: #ffffff;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #ffd99f, #efb564);
  border-color: rgba(255, 216, 154, 0.8);
  color: #3d2407;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ffe3b6, #f3c077);
  color: #3d2407;
}

.main-content {
  padding: 22px 0 0;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card,
.site-footer {
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  background: var(--panel-bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.card {
  padding: 24px;
}

.card h2 {
  margin: 0 0 12px;
  font-family: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.35rem;
  line-height: 1.1;
}

.card p,
.card li {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.card code {
  padding: 0.08rem 0.38rem;
  border-radius: 999px;
  background: rgba(23, 94, 167, 0.1);
  color: var(--accent-strong);
  font-family: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.92em;
}

.card ul {
  padding-left: 1.1rem;
  margin: 0.85rem 0 0;
}

.feature-band,
.legal-card {
  margin-top: 18px;
  background: var(--panel-strong);
}

.feature-band {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
}

.feature-list {
  display: grid;
  gap: 12px;
}

.mini-card {
  padding: 16px;
  border: 1px solid rgba(23, 94, 167, 0.1);
  border-radius: var(--radius-md);
  background: rgba(233, 242, 248, 0.78);
}

.mini-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text-main);
}

.mini-card span {
  color: var(--text-muted);
}

.legal-card h2 {
  margin-top: 1.4rem;
}

.legal-card h2:first-of-type {
  margin-top: 0;
}

.legal-card p,
.legal-card li {
  max-width: 76ch;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  padding: 18px 24px;
}

.site-footer-owner {
  font-weight: 700;
}

.site-footer-credits {
  color: var(--text-soft);
}

@media screen and (max-width: 980px) {
  .section-grid,
  .feature-band {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 720px) {
  .site-shell {
    width: min(100% - 20px, 1120px);
    margin: 10px auto 18px;
  }

  .page-header,
  .card,
  .site-footer {
    border-radius: 22px;
  }

  .page-header {
    padding: 18px;
  }

  .header-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
  }

  .nav-link {
    flex: 1 1 calc(50% - 10px);
    text-align: center;
  }

  .hero {
    padding-top: 36px;
  }

  .card,
  .site-footer {
    padding: 18px;
  }

  .site-footer {
    flex-direction: column;
  }
}