/* VCorv — style.css */
:root {
  --bg: #0a0a0a;
  --fg: #ffffff;
  --muted: #888888;
  --line: #1e1e1e;
  --card: #101010;
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--fg); text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  z-index: 10;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.nav-brand img {
  width: 26px;
  height: 26px;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
}

.nav-links a { color: var(--muted); transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--fg); }

/* Hero */
.hero {
  padding: 96px 0 72px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(48px, 9vw, 84px);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-shadow: 0 0 48px rgba(255, 255, 255, 0.18);
}

.hero .tagline {
  margin-top: 16px;
  font-size: clamp(17px, 2.5vw, 21px);
  color: var(--fg);
}

.hero .sub {
  margin-top: 10px;
  font-size: 15px;
  color: var(--muted);
}

.hero-img {
  margin: 56px auto 0;
  max-width: 560px;
  border-radius: 14px;
  border: 1px solid var(--line);
}

/* Sections */
section { padding: 64px 0; }

.section-title {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 32px;
}

h2 { font-size: 28px; font-weight: 600; margin-bottom: 16px; }
h3 { font-size: 20px; font-weight: 600; }

p.muted, .muted { color: var(--muted); }

/* Cards grid */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}

.card:hover { border-color: #333; }

.card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }

.card-body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { font-size: 17px; }
.card-body p { font-size: 14px; color: var(--muted); flex: 1; }
.card-body .price { font-size: 14px; color: var(--fg); }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--fg);
  color: #0a0a0a;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--fg);
  transition: background 0.15s, color 0.15s;
  text-align: center;
}

.btn:hover { background: transparent; color: var(--fg); }

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid #333;
}

.btn-ghost:hover { border-color: var(--fg); background: transparent; }

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* Product blocks (products page) */
.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.product:last-of-type { border-bottom: none; }

.product img {
  border-radius: 14px;
  border: 1px solid var(--line);
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}

.product .info h2 { margin-bottom: 8px; }
.product .info .kicker { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 12px; }
.product .info p { color: var(--muted); font-size: 15px; margin-bottom: 16px; }

.tiers { display: flex; flex-direction: column; gap: 10px; margin: 16px 0 20px; }

.tier {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
}

.tier .t-name { font-weight: 600; }
.tier .t-desc { color: var(--muted); flex: 1; }
.tier .t-price { font-weight: 600; white-space: nowrap; }

.note { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* AI teaser */
.teaser {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 40px;
  background: var(--card);
}

.teaser p { color: var(--muted); max-width: 640px; margin-bottom: 20px; }

/* Prose pages (ai, about) */
.prose { max-width: 640px; padding: 80px 0; }
.prose h1 { font-size: 36px; font-weight: 700; margin-bottom: 8px; }
.prose .kicker { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 24px; }
.prose p { color: var(--muted); margin-bottom: 18px; font-size: 16px; }
.prose strong { color: var(--fg); font-weight: 600; }
.prose ul { list-style: none; margin-bottom: 18px; }
.prose li { color: var(--muted); padding-left: 18px; position: relative; margin-bottom: 8px; }
.prose li::before { content: "—"; position: absolute; left: 0; color: #555; }

.status-pill {
  display: inline-block;
  font-size: 12px;
  border: 1px solid #333;
  border-radius: 999px;
  padding: 4px 12px;
  color: var(--muted);
  margin-bottom: 24px;
}

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  margin-top: 40px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

.footer-inner a { color: var(--muted); }
.footer-inner a:hover { color: var(--fg); }
.footer-links { display: flex; gap: 20px; }

/* Responsive */
@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .product { grid-template-columns: 1fr; gap: 24px; padding: 40px 0; }
  .hero { padding: 64px 0 48px; }
  .teaser { padding: 28px 20px; }
  .prose { padding: 56px 0; }
  .tier { flex-wrap: wrap; }
  .nav-links { gap: 16px; }
}