/* ── Reset & Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-dark:    #0d3866;
  --c-primary: #0459b3;
  --c-accent:  #c02317;
  --c-gray:    #5b6607;
  --c-light:   #AAB559;
  --c-border:  #728010;
  --radius:    6px;
  --max-w:     960px;
  --max-w-n:   680px;
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: #222;
  background: #fff;
}

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

h1, h2, h3 { line-height: 1.25; color: var(--c-dark); }
h2 { font-size: 1.6rem; margin-bottom: 0.5rem; }
h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
p  { margin-top: 0.6rem; }

/* ── Layout helpers ───────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-narrow {
  max-width: var(--max-w-n);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header ───────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-dark);
  color: #fff;
  height: 52px;
}
.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2rem;
}
.brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: 0.03em;
  white-space: nowrap;
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: #fff; }

.main-nav {
  display: flex;
  gap: 1.2rem;
  font-size: 0.88rem;
}
.main-nav a { color: #bbb; }
.main-nav a:hover { color: #fff; text-decoration: none; }

.lang-switch {
  margin-left: auto;
  font-size: 0.82rem;
}
.lang-switch a { color: #888; }
.lang-switch a:hover { color: #ccc; text-decoration: none; }

/* ── Sections ─────────────────────────────────────────────────────── */
.section { padding: 4rem 0; }
.section-alt { background: var(--c-light); }
.section-title { text-align: center; margin-bottom: 2rem; }

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero {
  background: var(--c-dark);
  color: #fff;
  padding: 5rem 0 4rem;
  text-align: center;
}
.hero h1 {
  font-size: 2rem;
  color: #fff;
  max-width: 700px;
  margin: 0 auto 1rem;
}
.hero-sub {
  font-size: 1.05rem;
  color: #8cb8a8;
  max-width: 600px;
  margin: 0 auto;
}
.hero-small {
  padding: 3rem 0 2.5rem;
}

/* ── Prose ────────────────────────────────────────────────────────── */
.prose { color: #333; }
.prose p { margin-top: 0.8rem; }
.prose p:first-child { margin-top: 0; }
.prose ul, .prose ol { margin: 0.8rem 0 0.8rem 1.5rem; }
.prose li { margin-bottom: 0.3rem; }

/* ── Cards ────────────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  border-top: 3px solid var(--c-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,0.07);
}
.card h3 { color: var(--c-dark); }
.card p, .card .prose { font-size: 0.9rem; color: var(--c-gray); }
.card-highlight {
  border-top-color: var(--c-accent);
  background: #f0faf6;
}

/* ── Comparison Table ────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.comparison-table th,
.comparison-table td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}
.comparison-table thead th {
  background: var(--c-dark);
  color: #fff;
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.comparison-table tbody tr:nth-child(even) {
  background: var(--c-light);
}
.comparison-table tbody tr:hover {
  background: #e6f2ed;
}
.comparison-table a {
  font-weight: 600;
}
.comparison-note {
  text-align: center;
  font-size: 0.88rem;
  color: var(--c-gray);
  font-style: italic;
  margin-bottom: 1.5rem;
}

/* ── Ranking ──────────────────────────────────────────────────────── */
.ranking-list {
  margin: 1rem 0 0 1.2rem;
}
.ranking-list li {
  margin-bottom: 0.8rem;
  line-height: 1.5;
}
.ranking-list strong {
  color: var(--c-dark);
}

/* ── Callouts ────────────────────────────────────────────────────── */
.callout {
  border-left: 4px solid var(--c-primary);
  background: var(--c-light);
  padding: 1.2rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.callout h3 {
  color: var(--c-dark);
  margin-bottom: 0.5rem;
}
.callout-warning {
  border-left-color: #d4880e;
  background: #fef9ee;
}
.callout-warning h3 {
  color: #8a5a00;
}

/* ── Footer ───────────────────────────────────────────────────────── */
.site-footer {
  background: var(--c-dark);
  color: #aaa;
  padding: 2rem 0;
}
.site-footer a { color: var(--c-accent); }
.site-footer a:hover { color: #fff; }
.footer-copy { font-size: 0.82rem; color: #666; }

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.5rem; }
  .card-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .comparison-table { font-size: 0.8rem; }
  .comparison-table th,
  .comparison-table td { padding: 0.5rem 0.6rem; }
}