:root {
  --bg: #fbf8f6;
  --surface: #ffffff;
  --text: #1d1416;
  --muted: #6b5a5e;
  --border: #eadfe0;
  --crimson: #b3122e;
  --crimson-strong: #8e0c23;
  --crimson-soft: #fbe9ec;
  --on-crimson: #ffffff;
  --shadow: 0 10px 30px rgba(80, 10, 25, 0.10);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #120c0e;
    --surface: #1c1316;
    --text: #f6eef0;
    --muted: #b9a7ab;
    --border: #33242a;
    --crimson: #e0415c;
    --crimson-strong: #f06b82;
    --crimson-soft: #2a1519;
    --on-crimson: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
}

a { color: var(--crimson); }
a:hover { color: var(--crimson-strong); }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--crimson); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header { padding: 20px 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-mark { width: 30px; height: 30px; }
.brand-name { font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; }
.brand-name span { color: var(--muted); font-weight: 600; }
.lang { font-size: 0.9rem; color: var(--muted); text-decoration: none; border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; }
.lang:hover { color: var(--text); border-color: var(--muted); }

/* Hero */
.hero { padding: 48px 0 56px; display: grid; gap: 40px; align-items: center; }
@media (min-width: 860px) { .hero { grid-template-columns: 1.15fr 0.85fr; padding: 72px 0 88px; } }

.eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--crimson); background: var(--crimson-soft); padding: 6px 12px; border-radius: 999px; margin: 0 0 18px;
}
h1 { font-size: clamp(2.1rem, 5.5vw, 3.4rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 18px; }
h1 em { font-style: normal; color: var(--crimson); }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 28px; max-width: 34em; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px;
  border-radius: 12px; font-weight: 700; text-decoration: none; background: var(--crimson); color: var(--on-crimson);
  box-shadow: var(--shadow);
}
.button:hover { background: var(--crimson-strong); color: var(--on-crimson); }
.note { font-size: 0.9rem; color: var(--muted); }

/* Card stack illustration */
.stack { position: relative; height: 320px; max-width: 360px; width: 100%; margin: 0 auto; }
.card {
  position: absolute; width: 190px; height: 265px; border-radius: 14px; border: 1px solid var(--border);
  background: var(--surface); box-shadow: var(--shadow); padding: 14px; display: flex; flex-direction: column; gap: 10px;
}
.card .art { flex: 1; border-radius: 8px; background: linear-gradient(135deg, var(--crimson-soft), var(--border)); }
.card .line { height: 9px; border-radius: 4px; background: var(--border); }
.card .line.short { width: 60%; }
.card.c1 { left: 6%; top: 34px; transform: rotate(-9deg); }
.card.c2 { left: 22%; top: 12px; transform: rotate(-1deg); }
.card.c3 { left: 38%; top: 30px; transform: rotate(8deg); border-color: var(--crimson); }
.card.c3 .art { background: linear-gradient(135deg, var(--crimson), var(--crimson-strong)); }
.price {
  position: absolute; right: 0; bottom: 6px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 10px 14px; box-shadow: var(--shadow); font-size: 0.85rem; color: var(--muted);
}
.price strong { display: block; font-size: 1.25rem; color: var(--text); letter-spacing: -0.02em; }

/* Features */
.features { padding: 16px 0 72px; }
.features h2 { font-size: 1.6rem; letter-spacing: -0.02em; margin: 0 0 24px; }
.grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .grid { grid-template-columns: repeat(4, 1fr); } }
.feature { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.feature .icon {
  width: 38px; height: 38px; border-radius: 10px; background: var(--crimson-soft); color: var(--crimson);
  display: grid; place-items: center; margin-bottom: 12px;
}
.feature h3 { margin: 0 0 6px; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.badge { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--crimson); margin-left: 6px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0 40px; font-size: 0.85rem; color: var(--muted); }
.site-footer p { margin: 0 0 10px; max-width: 60em; }