:root {
  color-scheme: light;
  --bg: #fbfbfd;
  --surface: #ffffff;
  --surface-soft: #f4f3fb;
  --surface-mint: #eff8f5;
  --ink: #151624;
  --muted: #626473;
  --violet: #5148dc;
  --mint: #2f998a;
  --green: #43b979;
  --rule: #e6e5ec;
  --shadow: 0 24px 64px rgba(31, 30, 57, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 3px solid rgba(81, 72, 220, 0.35); outline-offset: 4px; }

.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--rule);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 760; text-decoration: none; }
.brand img { width: 38px; height: 38px; border-radius: 10px; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 18px; color: var(--muted); font-size: 14px; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--ink); }

.hero { padding: 76px 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr); gap: 68px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--mint); font-size: 14px; font-weight: 780; letter-spacing: 0.01em; }
h1, h2, h3 { text-wrap: balance; }
h1 { margin: 0; font-size: clamp(44px, 6vw, 72px); line-height: 1; letter-spacing: -0.045em; }
h1 span { color: var(--violet); }
.lede { max-width: 650px; margin: 24px 0 28px; color: var(--muted); font-size: clamp(18px, 2vw, 21px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--surface);
  font-weight: 730;
  text-decoration: none;
}
.button.primary { border-color: var(--violet); background: var(--violet); color: #fff; }
.trust { margin: 18px 0 0; color: var(--muted); font-size: 14px; }
.hero-visual {
  min-height: 520px;
  display: grid;
  place-items: center;
  padding: 34px;
  border: 1px solid var(--rule);
  border-radius: 28px;
  background: linear-gradient(145deg, #eeecff 0%, #eff8f5 58%, #fff7eb 100%);
  box-shadow: var(--shadow);
}
.hero-visual img { max-height: 475px; width: auto; border-radius: 24px; box-shadow: 0 16px 40px rgba(31, 30, 57, 0.18); }
.hero-visual.art img { max-height: none; width: 100%; box-shadow: none; }

.proof-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--rule);
  border-radius: 18px;
  background: var(--surface);
  overflow: hidden;
}
.proof { padding: 24px; border-right: 1px solid var(--rule); }
.proof:last-child { border-right: 0; }
.proof strong { display: block; margin-bottom: 5px; }
.proof span { color: var(--muted); font-size: 14px; }

section { padding: 82px 0; border-bottom: 1px solid var(--rule); }
.section-head { max-width: 760px; margin-bottom: 34px; }
h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); line-height: 1.04; letter-spacing: -0.035em; }
h3 { margin: 0 0 8px; font-size: 20px; letter-spacing: -0.015em; }
.section-copy { margin: 18px 0 0; color: var(--muted); font-size: 18px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { min-height: 180px; padding: 26px; border: 1px solid var(--rule); border-radius: 18px; background: var(--surface); }
.card p { margin: 0; color: var(--muted); }
.card .number { display: block; margin-bottom: 28px; color: var(--violet); font-weight: 800; }
.split { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(340px, 1.05fr); gap: 58px; align-items: center; }
.shot { padding: 30px; border: 1px solid var(--rule); border-radius: 24px; background: var(--surface-soft); }
.shot img { max-height: 620px; width: auto; margin: 0 auto; border-radius: 22px; box-shadow: var(--shadow); }
.plain-list { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 13px; }
.plain-list li { position: relative; padding-left: 26px; color: var(--muted); }
.plain-list li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 850; }
.source-note { margin-top: 24px; padding: 18px 20px; border-left: 4px solid var(--mint); background: var(--surface-mint); color: var(--muted); font-size: 14px; }
.source-note a { color: var(--violet); }
.faq { display: grid; gap: 10px; }
details { padding: 18px 20px; border: 1px solid var(--rule); border-radius: 14px; background: var(--surface); }
summary { cursor: pointer; font-weight: 750; }
details p { margin: 12px 0 0; color: var(--muted); }
.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related a { padding: 20px; border: 1px solid var(--rule); border-radius: 14px; background: var(--surface); text-decoration: none; font-weight: 720; }
.related a span { display: block; margin-top: 5px; color: var(--muted); font-size: 14px; font-weight: 450; }
.cta { padding: 74px 24px; text-align: center; }
.cta p { max-width: 620px; margin: 18px auto 26px; color: var(--muted); }
footer { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 14px; }
footer span:last-child { display: flex; gap: 18px; }

@media (max-width: 850px) {
  .nav { align-items: flex-start; padding: 18px 0; }
  .nav-links { max-width: 520px; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; }
  .hero-visual { min-height: 430px; }
  .proof-band, .cards, .related { grid-template-columns: 1fr; }
  .proof { border-right: 0; border-bottom: 1px solid var(--rule); }
  .proof:last-child { border-bottom: 0; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1120px); }
  .nav { display: block; }
  .nav-links { margin-top: 16px; justify-content: flex-start; gap: 12px 16px; }
  h1 { font-size: 45px; }
  section { padding: 62px 0; }
  .hero-visual { min-height: 350px; padding: 22px; }
  .hero-visual img { max-height: 390px; }
  footer { padding: 24px 0; flex-direction: column; align-items: flex-start; }
}