:root {
  --bg: #07080a;
  --fg: #f4f1ea;
  --muted: #9aa3b2;
  --line: rgba(244, 241, 234, 0.12);
  --card: rgba(255, 255, 255, 0.03);
  --accent: #c8f542;
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Sora", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  background:
    radial-gradient(120% 80% at 10% -10%, #1a2438 0%, transparent 55%),
    radial-gradient(90% 60% at 110% 10%, #243018 0%, transparent 45%),
    linear-gradient(180deg, #10131a, #07080a);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.5;
}
.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.3;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
  z-index: 0;
}
.top, main, .foot { position: relative; z-index: 1; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  font-size: 1.55rem;
  color: var(--fg);
  text-decoration: none;
  font-weight: 700;
}
nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}
nav a:hover { color: var(--fg); }
.hero {
  padding: 16vh 1.5rem 10vh;
  max-width: 920px;
  margin: 0 auto;
  animation: rise 0.8s ease both;
}
.brand-mark {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 11vw, 6.5rem);
  letter-spacing: 0.08em;
  line-height: 0.9;
  margin-bottom: 1.25rem;
  font-weight: 700;
}
.hero h1 {
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 700;
  max-width: 18ch;
  margin-bottom: 0.85rem;
}
.lead {
  color: var(--muted);
  max-width: 40ch;
  margin-bottom: 1.75rem;
  font-size: 1.05rem;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.35rem;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--accent); color: #0b1000; }
.btn.ghost { border: 1px solid var(--line); color: var(--fg); background: transparent; }
.section {
  padding: 4.5rem 1.5rem;
  max-width: 980px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}
.section h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  font-weight: 600;
}
.section-lead { color: var(--muted); margin-bottom: 1.75rem; }
.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.dl-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.4rem;
  background: var(--card);
  border: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  border-radius: 14px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.dl-card:hover {
  border-color: rgba(200, 245, 66, 0.5);
  transform: translateY(-3px);
}
.dl-os { color: var(--accent); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.dl-card strong { font-family: var(--font-display); font-size: 1.35rem; letter-spacing: 0.04em; font-weight: 600; }
.dl-meta { color: var(--muted); font-size: 0.9rem; }
.steps {
  list-style: none;
  display: grid;
  gap: 0.85rem;
  counter-reset: step;
}
.steps li {
  counter-increment: step;
  padding: 1rem 1rem 1rem 3.2rem;
  position: relative;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 14px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
}
.price-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
}
.price-row > div,
.price-card {
  border: 1px solid var(--line);
  padding: 1.1rem;
  background: var(--card);
  display: grid;
  gap: 0.25rem;
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.15s ease;
}
.price-card:hover {
  border-color: rgba(200, 245, 66, 0.5);
  transform: translateY(-2px);
}
.price-row span, .price-card span { color: var(--muted); font-size: 0.85rem; }
.price-row strong, .price-card strong { font-size: 1.35rem; }
.price-row em, .price-card em { font-style: normal; color: var(--accent); font-size: 0.85rem; }
.key-box {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.25rem;
  background: rgba(0, 0, 0, 0.28);
}
.key-box label {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}
.key-box input {
  width: 100%;
  border: 1px solid var(--line);
  background: #050608;
  color: var(--fg);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  font-family: ui-monospace, Consolas, monospace;
  text-transform: uppercase;
}
.foot {
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
}
.foot a { color: var(--fg); }
@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}
@media (max-width: 640px) {
  .top { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .hero { padding-top: 10vh; }
}