:root {
  --bg0: #0e1410;
  --bg1: #162018;
  --ink: #e8f0e4;
  --muted: #9aaf9a;
  --accent: #c4a35a;
  --accent2: #6f9f6a;
  --danger: #e07060;
  --line: rgba(196, 163, 90, 0.28);
  --font-display: "Segoe UI", "Trebuchet MS", sans-serif;
  --font-body: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg0);
  line-height: 1.5;
}
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(111, 159, 106, 0.22), transparent 60%),
    radial-gradient(700px 400px at 90% 0%, rgba(196, 163, 90, 0.18), transparent 55%),
    linear-gradient(160deg, #0c120e, #141c16 45%, #0a0f0c);
}
.wrap {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3.5rem 0 4rem;
}
.wrap.narrow { width: min(560px, calc(100% - 2rem)); }
.brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin: 0 0 0.75rem;
  font-weight: 700;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.85rem;
  max-width: 16ch;
}
.lead {
  color: var(--muted);
  max-width: 42ch;
  margin: 0 0 1.5rem;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.75rem 1.15rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  color: var(--ink);
  background: transparent;
}
.btn.primary {
  background: linear-gradient(135deg, var(--accent), #a8863f);
  color: #1a1408;
}
.btn.ghost {
  border-color: var(--line);
  background: rgba(255,255,255,0.03);
}
.btn.wide { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: wait; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin: 3rem 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.features h2 {
  font-size: 1rem;
  margin: 0 0 0.35rem;
  color: var(--accent2);
}
.features p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.buy {
  background: rgba(22, 32, 24, 0.85);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.5rem;
}
.buy h2 { margin-top: 0; }
.muted { color: var(--muted); }
.form { display: grid; gap: 0.9rem; margin-top: 1rem; }
.form label { display: grid; gap: 0.35rem; font-size: 0.9rem; color: var(--muted); }
.form input {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d130f;
  color: var(--ink);
  padding: 0.7rem 0.8rem;
  font: inherit;
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }
.error { color: var(--danger); margin: 0.5rem 0 0; }
.license-box code {
  display: block;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  padding: 0.9rem 1rem;
  margin: 0.5rem 0 0.75rem;
  background: #0a100c;
  border-radius: 8px;
  border: 1px dashed var(--line);
  word-break: break-all;
}
footer {
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.iyzico { margin-top: 1rem; }