:root {
  color-scheme: light dark;
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1a1d21;
  --muted: #5c6570;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: #e5e7eb;
  --success: #059669;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #171a21;
    --text: #eef1f5;
    --muted: #9aa3ad;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --border: #2a3038;
    --success: #34d399;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
}

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

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.site-header {
  padding: 20px 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.logo:hover { text-decoration: none; opacity: 0.85; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff !important;
  font-weight: 600;
  text-decoration: none !important;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: var(--accent-hover);
  text-decoration: none !important;
}

.btn-secondary {
  background: transparent;
  color: var(--accent) !important;
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--card);
}

.hero {
  padding: 32px 0 24px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.2;
}

.hero-lead {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.grid-2 {
  display: grid;
  gap: 16px;
}

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
}

.grid-3 {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.section {
  margin-top: 40px;
}

.section h2 {
  margin: 0 0 16px;
  font-size: 1.35rem;
}

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

.price-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.price-card .badge {
  font-size: 0.85rem;
  color: var(--success);
  margin-bottom: 8px;
}

.price-card h3 {
  margin: 0 0 4px;
  font-size: 1.1rem;
}

.price-card .price {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 8px 0 12px;
}

.price-card ul {
  margin: 0 0 20px;
  padding-left: 18px;
  color: var(--muted);
  flex: 1;
}

.steps {
  margin: 0;
  padding-left: 20px;
}

.steps li { margin-bottom: 10px; }

.faq-item {
  margin-bottom: 16px;
}

.faq-item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

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

.site-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
}

.article .card h1 {
  margin: 0 0 8px;
  font-size: 1.75rem;
}

.article .date {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.article h2 {
  margin: 28px 0 12px;
  font-size: 1.15rem;
}

.article p { margin: 0 0 12px; }

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  margin-right: 6px;
  margin-bottom: 6px;
}