:root {
  --bg: #070b14;
  --bg-2: #0c1220;
  --card: #111827;
  --line: #1f2a3d;
  --text: #eef3fb;
  --muted: #93a0b5;
  --accent: #5b8cff;
  --accent-2: #7c5cff;
  --ok: #34d399;
  --danger: #fb7185;
  --radius: 18px;
  --font: "Outfit", "Segoe UI", sans-serif;
  --shadow: 0 18px 50px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  min-height: 100vh;
  background:
    radial-gradient(900px 420px at 90% -10%, rgba(91,140,255,.18), transparent 50%),
    radial-gradient(700px 380px at 0% 20%, rgba(124,92,255,.12), transparent 46%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }

.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.muted { color: var(--muted); }
.pixel { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); font-weight: 800; }

.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(7,11,20,.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; gap: 16px; align-items: center; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: var(--card); border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 8px 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 12px; padding: 11px 16px; cursor: pointer; font-weight: 700;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn-sm { padding: 8px 12px; font-size: 14px; }
.btn-danger { background: var(--danger); color: #fff; }

.hero { padding: 72px 0 28px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; font-size: 12px; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 12px; }
h1 { font-size: clamp(34px, 5vw, 56px); letter-spacing: -.03em; }
.lead { color: var(--muted); font-size: 18px; max-width: 58ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

.preview, .card, .auth-card {
  background: color-mix(in srgb, var(--card) 88%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.preview, .card { padding: 20px; }
.preview-top { display: flex; gap: 6px; margin-bottom: 12px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #334155; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { background: #0d1524; border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.stat b { display: block; font-size: 22px; }
.stat span { color: var(--muted); font-size: 12px; }
.bars { margin-top: 14px; display: grid; gap: 8px; }
.bar { height: 8px; border-radius: 99px; background: #1b2536; overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

.section { padding: 64px 0; }
.section h2 { font-size: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.icon {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; margin-bottom: 12px; font-weight: 800;
}

.price { display: flex; flex-direction: column; gap: 12px; }
.price.featured { outline: 2px solid var(--accent); }
.price .amount { font-size: 32px; font-weight: 800; }
.price ul { padding-left: 18px; color: var(--muted); }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; }
.faq { display: grid; gap: 10px; }
.faq summary { cursor: pointer; font-weight: 700; }
.quote { min-height: 150px; }
.stars { color: #fbbf24; letter-spacing: 2px; }

.footer { border-top: 1px solid var(--line); padding: 36px 0 24px; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 20px; }
.form { display: grid; gap: 12px; }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.form input, .form textarea, .form select {
  background: #0d1524; border: 1px solid var(--line); color: var(--text);
  border-radius: 12px; padding: 12px 14px;
}
.alert { padding: 12px 14px; border-radius: 12px; margin-bottom: 14px; border: 1px solid transparent; }
.alert-ok { background: #10261c; border-color: #245c42; }
.alert-err { background: #2a1218; border-color: #7a3140; }
.alert-info { background: #122033; border-color: #35506e; }
.auth-wrap { min-height: 70vh; display: grid; place-items: center; padding: 40px 0; }
.auth-card { width: min(440px, 100%); padding: 22px; }
.app-shell { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar { border-right: 1px solid var(--line); padding: 20px 16px; background: #0b1220; }
.sidebar a, .sidebar form button {
  display: block; width: 100%; text-align: left; background: none; border: 0; color: var(--muted);
  padding: 10px 12px; border-radius: 10px; cursor: pointer;
}
.sidebar a:hover { background: #162033; color: var(--text); }
.app-main { padding: 24px; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: left; font-size: 14px; }
.badge { display: inline-block; padding: 3px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.steps { display: grid; gap: 12px; }
.step { display: grid; grid-template-columns: 42px 1fr; gap: 12px; }
.step b { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: var(--accent); color: #fff; }
.legal { max-width: 80ch; color: var(--muted); }
.demo-banner { background: #15203a; border-bottom: 1px solid #2a3b63; padding: 8px 0; text-align: center; font-weight: 700; }
.price.featured::before { content: "Önerilen"; display: inline-block; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); font-weight: 800; }
.mock-mc { display: grid; grid-template-columns: 1.4fr .8fr; gap: 12px; }
.mock-ip {
  display: inline-flex; gap: 8px; align-items: center; border-radius: 999px;
  padding: 8px 12px; background: #152033; border: 1px solid #2a3f63; font-weight: 700; margin-bottom: 12px;
}
.mock-list { display: grid; gap: 8px; }
.mock-row { display: flex; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 13px; }

@media (max-width: 980px) {
  .hero-grid, .grid-3, .grid-2, .grid-4, .footer-grid, .app-shell, .mock-mc { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; inset: 62px 16px auto; background: #111827; border: 1px solid var(--line); padding: 16px; border-radius: 16px; }
  .nav-toggle { display: block; }
}