:root {
  --bg: #f7f3ed;
  --surface: #fffdf8;
  --text: #1d1c1a;
  --muted: #66615a;
  --line: #ddd4c7;
  --accent: #2337ff;
  --accent-dark: #1723a8;
  --soft: #ece6ff;
  --shadow: 0 20px 60px rgba(34, 28, 18, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent); }
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem;
}
.brand { color: var(--text); font-weight: 800; text-decoration: none; }
nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 2rem;
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
  padding: 5rem 1.25rem 3rem;
}
.eyebrow {
  display: inline-block;
  background: var(--soft);
  color: var(--accent-dark);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.9rem;
}
h1 { font-size: clamp(2.5rem, 8vw, 5.5rem); line-height: 0.95; letter-spacing: -0.06em; margin: 1rem 0; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.05; letter-spacing: -0.04em; margin: 0 0 1rem; }
h3 { margin-bottom: 0.25rem; }
.lead { font-size: 1.25rem; max-width: 720px; color: var(--muted); }
.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.15rem;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  border: 2px solid var(--text);
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--accent); color: white; border-color: var(--accent); box-shadow: 0 10px 30px rgba(35,55,255,0.22); }
.button.secondary { color: var(--text); background: var(--surface); }
.small-note { color: var(--muted); font-size: 0.95rem; }
.product-card, article, .callout, .integrity, details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.product-card { padding: 1rem; }
.mock-cover {
  min-height: 320px;
  border-radius: 22px;
  padding: 1.5rem;
  background: linear-gradient(135deg, #fff, #e9e3ff 55%, #c9d0ff);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid rgba(0,0,0,0.08);
}
.mock-cover span { font-size: 0.8rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.08em; }
.mock-cover h2 { font-size: 2rem; margin: 0.5rem 0; }
.product-card ul { margin-bottom: 0; }
.section { max-width: 1120px; margin: 0 auto; padding: 4rem 1.25rem; }
.grid.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
article { padding: 1.5rem; }
.split { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 2rem; align-items: start; }
.contents-list { display: grid; gap: 0.75rem; }
.contents-list div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem;
}
.contents-list strong { display: inline-block; min-width: 2.25rem; color: var(--accent); }
.callout { text-align: center; padding: 3rem; }
.tick-list, .cross-list { padding-left: 1.25rem; }
.integrity { padding: 2rem; }
.faq { display: grid; gap: 0.75rem; }
details { padding: 1.25rem 1.5rem; }
summary { cursor: pointer; font-weight: 800; }
.site-footer { max-width: 1120px; margin: 0 auto; padding: 2rem 1.25rem 4rem; color: var(--muted); }
@media (max-width: 800px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .hero, .split, .grid.three { grid-template-columns: 1fr; }
  .hero { padding-top: 2.5rem; }
  h1 { font-size: 3.1rem; }
}