:root {
  --bg: #12161c;
  --panel: #1a2029;
  --panel-2: #222a36;
  --text: #e8ecf1;
  --muted: #9aa6b5;
  --accent: #f5a524;
  --accent-ink: #1b1300;
  --border: #2d3746;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

a { color: var(--accent); }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(18, 22, 28, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

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

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 0.95rem;
}

nav a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 72px 0 56px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 16px;
}

.hero p.lead {
  max-width: 640px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 1.15rem;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.btn:hover { filter: brightness(1.08); }

.btn.ghost {
  background: transparent;
  color: var(--accent);
  margin-left: 8px;
}

/* Sections */
section { padding: 52px 0; }

section h2 {
  font-size: 1.75rem;
  margin: 0 0 8px;
}

.sub {
  color: var(--muted);
  margin: 0 0 28px;
}

.alt { background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  counter-reset: step;
}

.step {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  counter-increment: step;
}

.step::before {
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  margin-bottom: 10px;
}

.step h3 { margin: 0 0 6px; font-size: 1.05rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Video */
.video {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
}

.video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Products */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
}

.card h3 { margin: 0 0 4px; font-size: 1.3rem; }
.card .tag { color: var(--muted); margin: 0 0 14px; font-style: italic; }
.card ul { padding-left: 20px; margin: 0 0 16px; }
.card li { margin-bottom: 4px; }
.card .price { font-size: 1.8rem; font-weight: 800; margin: auto 0 12px; }
.card .note { color: var(--muted); font-size: 0.9rem; margin: 0 0 16px; }

.badge {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

/* Safety */
.safety {
  border: 1px solid #7a4b00;
  background: #2a1f0a;
  border-radius: var(--radius);
  padding: 24px;
}

.safety h2 { color: var(--accent); }
.safety ul { margin: 0; padding-left: 20px; }
.safety li { margin-bottom: 6px; }

/* Footer */
footer {
  padding: 36px 0 48px;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

footer p { margin: 0 0 8px; }

@media (max-width: 560px) {
  nav a { margin-left: 12px; font-size: 0.85rem; }
  .btn.ghost { margin-left: 0; margin-top: 10px; }
}