*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0c0c0f;
  --surface:    #16161a;
  --surface-2:  #1f1f26;
  --border:     #2a2a36;
  --accent:     #e8a020;
  --accent-dim: #3d2a00;
  --text:       #e4e4ec;
  --text-muted: #808098;
  --radius:     10px;
  --font:       'Segoe UI', system-ui, sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
}

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

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.section    { padding: 64px 0; }

/* --- Header --- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky; top: 0; z-index: 100;
}
.nav { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent); color: #000;
  font-weight: 800; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
}
.brand h1 { font-size: 1.1rem; font-weight: 700; line-height: 1; }
.eyebrow {
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 2px;
}
.top-nav { display: flex; gap: 28px; }
.top-nav a { color: var(--text-muted); font-size: 0.88rem; font-weight: 500; }
.top-nav a:hover { color: var(--text); text-decoration: none; }

/* --- Hero --- */
.hero {
  display: grid; grid-template-columns: 1fr 340px;
  gap: 48px; align-items: center; padding: 72px 24px;
}
.hero-copy h2 { font-size: 2rem; font-weight: 800; line-height: 1.2; margin-bottom: 14px; }
.hero-text { color: var(--text-muted); max-width: 460px; margin-bottom: 22px; }
.hero-points { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-points span {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 20px; padding: 4px 14px;
  font-size: 0.78rem; font-weight: 500; color: var(--text-muted);
}
.hero-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.snake-preview {
  height: 200px;
  background: #0a0a0d;
  display: flex; align-items: center; justify-content: center;
}
.hero-card-body { padding: 18px; }
.hero-card-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.hero-card-body p { color: var(--text-muted); font-size: 0.83rem; margin-bottom: 10px; }
.hero-card-body strong { color: var(--accent); font-size: 0.8rem; }

/* --- Section heading --- */
.section-heading { margin-bottom: 28px; }
.section-heading h2 { font-size: 1.55rem; font-weight: 800; }

/* --- Product grid (reused for how-it-works) --- */
.product-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.product-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.product-visual { height: 80px; }
.product-body { padding: 16px 18px; }
.product-badge {
  display: inline-block; background: var(--accent-dim);
  border-radius: 4px; color: var(--accent);
  font-size: 0.66rem; font-weight: 700; letter-spacing: 0.06em;
  margin-bottom: 4px; padding: 2px 8px; text-transform: uppercase;
}
.product-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }

/* --- Buttons --- */
.primary-btn {
  background: var(--accent); border: none; border-radius: var(--radius);
  color: #000; cursor: pointer; font-size: 0.88rem; font-weight: 700;
  padding: 10px 20px; transition: opacity 0.15s;
  display: inline-block;
}
.primary-btn:hover { opacity: 0.85; text-decoration: none; }
.primary-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.order-btn {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text);
  font-size: 0.82rem; font-weight: 600; padding: 8px 16px;
  transition: border-color 0.15s; display: inline-block;
}
.order-btn:hover { border-color: var(--accent); text-decoration: none; }

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero, .product-grid { grid-template-columns: 1fr; }
  .top-nav { display: none; }
}