:root {
  --bg: #f4f4f4;
  --panel: #ffffff;
  --panel-2: #fafafa;
  --text: #0f4c81;
  --muted: #5f6f82;
  --border: #d8e0e8;
  --accent: #0f4c81;
  --accent-2: #2aa8ff;
  --link: #2aa8ff;
  --danger: #ef5350;
  --shadow: 0 8px 24px rgba(15, 76, 129, 0.08);
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(244, 244, 244, 0.92);
  border-bottom: 1px solid var(--border);
}

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

.brand {
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 1.05rem;
}

.brand small {
  display: block;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0;
}

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

.nav a {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--text);
  font-size: 0.95rem;
  background: transparent;
  font-weight: 600;
}

.hero {
  padding: 48px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-main {
  padding: 30px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid rgba(42,168,255,0.22);
  background: rgba(42,168,255,0.08);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 16px;
}

h1, h2, h3 { margin: 0 0 12px; line-height: 1.15; }
h1 { font-size: clamp(2rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.35rem, 2vw, 1.8rem); }
h3 { font-size: 1.08rem; }

.lead {
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 70ch;
}

.hero-meta {
  margin-top: 22px;
  display: grid;
  gap: 12px;
}

.note {
  padding: 16px 18px;
  border-radius: 14px;
  background: #f8fbfe;
  border: 1px solid var(--border);
  color: var(--muted);
}

.note strong {
  color: var(--text);
}

.aside {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.aside-block {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f8fbfe;
}

.aside-block p:last-child,
.banner p:last-child,
.section-intro p:last-child,
.footer p:last-child { margin-bottom: 0; }

.banner {
  margin: 12px 0 36px;
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(239,83,80,0.22);
  background: linear-gradient(135deg, rgba(239,83,80,0.08), rgba(42,168,255,0.05));
  box-shadow: var(--shadow);
}

.banner-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--accent);
}

.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  background: #ef5350;
  color: #fff;
  border-color: #ef5350;
}

.section {
  padding: 18px 0 12px;
}

.section-intro {
  margin-bottom: 18px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.category {
  padding: 22px;
}

.category h3 {
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.doc-list {
  display: grid;
  gap: 10px;
}

.doc-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  text-decoration: none;
}

.doc-link:hover {
  border-color: rgba(42,168,255,0.45);
  background: #f8fbfe;
  text-decoration: none;
}

.doc-link span:last-child {
  color: var(--link);
  white-space: nowrap;
  font-size: 0.92rem;
  font-weight: 700;
}

.disclaimer {
  margin: 38px 0 60px;
  padding: 22px;
  border-radius: var(--radius);
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--muted);
}

.footer {
  padding: 0 0 60px;
  color: var(--muted);
  font-size: 0.95rem;
}

ul {
  margin: 0;
  padding-left: 18px;
}

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

  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero-main,
  .aside,
  .banner,
  .category,
  .disclaimer {
    padding: 18px;
  }

  .doc-link {
    align-items: flex-start;
    flex-direction: column;
  }
}