:root {
  --bg: #0F172A;
  --surface: #1E293B;
  --border: #334155;
  --text: #F8FAFC;
  --muted: #94A3B8;
  --accent: #3B82F6;
  --accent-2: #F59E0B;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px;
}

nav {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}

nav .brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

nav .brand .dot { width: 10px; height: 10px; background: var(--accent); border-radius: 50%; }

nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
}

nav ul a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

nav ul a:hover { color: var(--text); text-decoration: none; }

.hero {
  text-align: center;
  padding: 80px 20px 60px;
}

.hero h1 {
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 32px;
}

.badges {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.badge {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--muted);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.card h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--text);
}

.card p {
  color: var(--muted);
  font-size: 14px;
}

.card .icon {
  font-size: 28px;
  margin-bottom: 12px;
  display: block;
}

section.content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  margin-top: 32px;
}

section.content h1 {
  font-size: 32px;
  margin-bottom: 8px;
}

section.content .updated {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 24px;
}

section.content h2 {
  font-size: 20px;
  margin-top: 28px;
  margin-bottom: 12px;
  color: var(--text);
}

section.content h3 {
  font-size: 16px;
  margin-top: 18px;
  margin-bottom: 8px;
}

section.content p,
section.content li {
  color: var(--muted);
  margin-bottom: 10px;
}

section.content ul,
section.content ol {
  padding-left: 24px;
  margin-bottom: 12px;
}

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

footer {
  border-top: 1px solid var(--border);
  margin-top: 80px;
  padding: 32px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

footer a { margin: 0 10px; color: var(--muted); }

.contact-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: rgba(59, 130, 246, 0.08);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 12px;
  margin-top: 16px;
}

.contact-box .email {
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
}

@media (max-width: 640px) {
  nav ul { gap: 14px; }
  nav ul a { font-size: 13px; }
  .hero { padding: 48px 20px 32px; }
  section.content { padding: 24px 20px; }
}