@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

:root {
  --bg: #070b12;
  --surface: #111827;
  --card: #1a2332;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent2: #06b6d4;
  --ok: #22c55e;
  --border: #2a3544;
}

* { box-sizing: border-box; }
body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  line-height: 1.5;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 2rem; border-bottom: 1px solid var(--border);
  background: rgba(7,11,18,0.9); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 50;
}
.nav-brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.9rem; }
.nav-links a:hover { color: var(--text); }
.btn {
  display: inline-block; padding: 0.65rem 1.25rem; border-radius: 8px;
  font-weight: 600; font-size: 0.9rem; border: none; cursor: pointer;
  text-decoration: none !important; transition: opacity 0.15s;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; }
.btn-secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn:hover { opacity: 0.9; }

.hero {
  max-width: 1100px; margin: 0 auto; padding: 4rem 2rem 3rem;
  text-align: center;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 1rem; line-height: 1.15; }
.hero p { color: var(--muted); font-size: 1.15rem; max-width: 640px; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.features {
  max-width: 1100px; margin: 0 auto; padding: 2rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.25rem;
}
.feature {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem;
}
.feature h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.875rem; }

.section { max-width: 900px; margin: 0 auto; padding: 2rem; }
.section h2 { font-size: 1.5rem; margin-bottom: 1.5rem; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem;
}

.plan-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem;
}
.plan-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.25rem; cursor: pointer; transition: border-color 0.15s;
}
.plan-card.selected, .plan-card:hover { border-color: var(--accent); }
.plan-card h3 { margin: 0 0 0.25rem; }
.plan-card .price { font-size: 1.75rem; font-weight: 700; margin: 0.5rem 0; }
.plan-card .price span { font-size: 0.875rem; font-weight: 400; color: var(--muted); }
.plan-card ul { margin: 0.75rem 0 0; padding-left: 1.1rem; color: var(--muted); font-size: 0.8rem; }

.calc-form label { display: block; font-size: 0.75rem; text-transform: uppercase; color: var(--muted); margin-bottom: 0.35rem; }
.calc-form input, .calc-form select {
  width: 100%; padding: 0.6rem; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); margin-bottom: 1rem;
}
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .calc-row { grid-template-columns: 1fr; } }

.quote-box {
  background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(6,182,212,0.1));
  border: 1px solid var(--accent); border-radius: 12px; padding: 1.5rem; margin-top: 1.5rem;
}
.quote-total { font-size: 2rem; font-weight: 700; }

table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }
.badge { display: inline-block; padding: 0.15rem 0.45rem; border-radius: 4px; font-size: 0.7rem; }
.badge.valid { background: #14532d; color: #86efac; }
.badge.pending { background: #422006; color: #fcd34d; }
.badge.active { background: #14532d; color: #86efac; }

footer {
  text-align: center; padding: 2rem; color: var(--muted); font-size: 0.8rem;
  border-top: 1px solid var(--border); margin-top: 3rem;
}

.alert { padding: 0.75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.875rem; }
.alert-error { background: #450a0a; color: #fca5a5; border: 1px solid #7f1d1d; }
.alert-ok { background: #14532d; color: #86efac; border: 1px solid #166534; }