:root {
  --bg: #0c0f14;
  --surface: #141922;
  --text: #e8ecf3;
  --muted: #98a3b8;
  --accent: #f43f5e;
  --accent-hover: #e11d48;
  --border: #263041;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; }
.container { width: min(1100px, 92vw); margin-inline: auto; }
.header { border-bottom: 1px solid var(--border); background: rgba(12, 15, 20, 0.85); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 10; }
.header__inner { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; }
.logo { font-weight: 650; letter-spacing: -0.02em; }
.hero { padding: clamp(3rem, 8vw, 6rem) 0; }
.hero__content h1 { font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.15; letter-spacing: -0.03em; margin: 0 0 1rem; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.75rem; color: var(--muted); margin: 0 0 0.75rem; }
.lede { font-size: 1.125rem; color: var(--muted); max-width: 42rem; margin: 0 0 1.75rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1rem; }
.fineprint { font-size: 0.875rem; color: var(--muted); margin: 0; }
.section { padding: clamp(3rem, 6vw, 5rem) 0; }
.section--accent { background: var(--surface); border-block: 1px solid var(--border); }
.grid-3 { display: grid; gap: 1.25rem; }
@media (min-width: 720px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.card { padding: 1.5rem; border: 1px solid var(--border); border-radius: 12px; background: rgba(255,255,255,0.02); }
.card h2 { margin: 0 0 0.5rem; font-size: 1.125rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.book { text-align: center; max-width: 640px; margin-inline: auto; }
.book h2 { margin: 0 0 0.5rem; }
.book__lede { color: var(--muted); margin: 0 0 1.5rem; }
.book__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; }
.footer { padding: 2rem 0 3rem; border-top: 1px solid var(--border); }
.footer__inner { display: flex; flex-direction: column; gap: 0.5rem; align-items: center; text-align: center; }
.footer__copy, .footer__contact { margin: 0; font-size: 0.875rem; color: var(--muted); }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.6rem 1.1rem; border-radius: 10px; font-weight: 600; font-size: 0.95rem; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease; }
.btn--lg { padding: 0.85rem 1.35rem; font-size: 1rem; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); }
.btn--secondary { background: transparent; border-color: var(--border); color: var(--text); }
.btn--secondary:hover { border-color: var(--muted); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--muted); }
code { font-size: 0.85em; color: var(--muted); }


.visual-strip {
  padding: clamp(1.75rem, 4vw, 2.5rem) 0;
  border-block: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.18);
}

.visual-strip__grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  justify-items: center;
  max-width: 52rem;
  margin-inline: auto;
}

@media (min-width: 720px) {
  .visual-strip__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
}

.visual-strip__item {
  margin: 0;
  text-align: center;
  width: 100%;
  max-width: 17rem;
}

.visual-strip__frame {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 3 / 2;
  background: var(--surface);
  width: 100%;
}

.visual-strip__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: saturate(0.88) contrast(1.04);
}