:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --border: #2a2a3a;
  --text: #f4f4f8;
  --muted: #9898b0;
  --accent: #ff4d1a;
  --accent-hover: #ff6b3d;
  --green: #22c55e;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a { color: var(--muted); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover { border-color: var(--muted); }

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 77, 26, 0.15);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 800px;
  margin: 0 auto 1rem;
}

.hero p {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 2rem;
}

.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Features */
.features {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--muted); font-size: 0.95rem; }

/* Plans */
.plans { padding: 4rem 0; }

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  display: flex;
  flex-direction: column;
}

.plan-card.popular {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.plan-badge {
  position: absolute;
  top: -10px;
  right: 1rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}

.plan-name { font-size: 1.25rem; font-weight: 700; }
.plan-price { font-size: 2rem; font-weight: 800; margin: 0.75rem 0 0.25rem; }
.plan-price small { font-size: 0.9rem; font-weight: 400; color: var(--muted); }
.plan-desc { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.25rem; min-height: 2.5rem; }

.plan-features {
  list-style: none;
  flex: 1;
  margin-bottom: 1.5rem;
}

.plan-features li {
  padding: 0.35rem 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.plan-features li::before {
  content: "✓ ";
  color: var(--green);
  font-weight: 700;
}

.plan-card .btn { width: 100%; }

/* Contact */
.contact {
  padding: 4rem 0;
  border-top: 1px solid var(--border);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.form-group textarea { min-height: 100px; resize: vertical; }

.form-msg {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  min-height: 1.25rem;
}

.form-msg.ok { color: var(--green); }
.form-msg.err { color: #ef4444; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}