:root {
  --bg: #0b1020;
  --bg-card: #121a2e;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --accent: #e11d48;
  --accent-dark: #b91c1c;
  --border: rgba(255, 255, 255, 0.08);
  --max: 960px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: radial-gradient(1200px 600px at 50% -10%, #1a2440 0%, var(--bg) 55%);
  min-height: 100vh;
}

a {
  color: #60a5fa;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 20px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.95rem;
  font-weight: 600;
}

.site-nav a {
  color: var(--muted);
}

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

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.hero {
  display: grid;
  gap: 28px;
  align-items: center;
  padding: 28px 0 12px;
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1.1fr 0.9fr;
    padding: 48px 0 24px;
  }
}

.hero-copy h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1;
  margin: 0 0 16px;
}

.hero-copy p.lead {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0 0 24px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 12px;
  font-weight: 800;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.hero-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.hero-card img {
  width: 120px;
  height: 120px;
  display: block;
  margin: 0 auto 16px;
  border-radius: 24px;
}

.feature-grid {
  display: grid;
  gap: 16px;
  margin-top: 36px;
}

@media (min-width: 700px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.card h2,
.card h3 {
  margin-top: 0;
}

.card p:last-child {
  margin-bottom: 0;
}

.section-title {
  margin: 40px 0 16px;
  font-size: 1.5rem;
}

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

.page-title {
  margin: 8px 0 8px;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.faq-item + .faq-item {
  margin-top: 12px;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 20px 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.92rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
  font-size: 0.85rem;
}

.lang-switch a {
  color: var(--muted);
  padding: 2px 6px;
  border-radius: 6px;
  font-weight: 700;
}

.lang-switch a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.lang-switch a:hover {
  text-decoration: none;
  color: var(--text);
}

.prose-narrow {
  max-width: 820px;
}

.prose-narrow h2 {
  margin-top: 28px;
}

.prose-narrow small {
  color: var(--muted);
}

.prose-narrow ul {
  padding-left: 20px;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 12px;
}