:root {
  --paper: #eee8df;
  --paper-light: #f8f4ee;
  --ink: #392c24;
  --muted: #7f7065;
  --line: rgba(57, 44, 36, .16);
  --brown: #4a382c;
  --brown-deep: #261c17;
  --gold: #b88a55;
  --sage: #708276;
  --radius: 28px;
  --serif: "Songti SC", "STSong", "Noto Serif SC", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(255,255,255,.84), transparent 28rem),
    repeating-linear-gradient(0deg, rgba(61,45,35,.018) 0, rgba(61,45,35,.018) 1px, transparent 1px, transparent 5px),
    var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 12px 18px; background: white; border-radius: 10px; }
.skip-link:focus { top: 12px; }

.site-header {
  width: min(1240px, calc(100% - 48px));
  height: 90px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font: 700 19px/1 var(--serif); letter-spacing: .12em; }
.brand img { filter: drop-shadow(0 5px 9px rgba(48, 31, 22, .12)); }
nav { display: flex; align-items: center; gap: 34px; font-size: 14px; }
nav a { color: var(--muted); transition: color .2s ease; }
nav a:hover { color: var(--ink); }
.nav-status { padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; color: var(--brown); background: rgba(255,255,255,.34); }

.hero {
  width: min(1240px, calc(100% - 48px));
  min-height: 720px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 6vw;
  padding: 80px 0 96px;
}
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; color: var(--muted); font-size: 12px; letter-spacing: .24em; text-transform: uppercase; }
.eyebrow span { width: 34px; height: 1px; background: currentColor; }
h1, h2, h3, blockquote { font-family: var(--serif); }
h1 { margin: 0; font-size: clamp(58px, 7vw, 102px); font-weight: 500; line-height: .98; letter-spacing: -.055em; }
h1 em { color: var(--brown); font-style: normal; }
.hero-lead { max-width: 620px; margin: 36px 0 0; color: var(--muted); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; gap: 14px; margin-top: 40px; }
.button { display: inline-flex; min-height: 50px; padding: 0 24px; align-items: center; justify-content: center; border: 1px solid var(--brown); border-radius: 999px; font-size: 14px; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: var(--paper-light); background: var(--brown); }
.button.quiet { background: rgba(255,255,255,.28); }
.proof-list { display: flex; flex-wrap: wrap; gap: 20px; margin: 44px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 12px; }
.proof-list li::before { content: "◇"; margin-right: 7px; color: var(--gold); }

.hero-art { position: relative; min-height: 580px; isolation: isolate; }
.hero-art::before { content: ""; position: absolute; inset: 9% 2% 2% 8%; z-index: -2; border-radius: 50% 50% 8% 8%; background: rgba(255,255,255,.42); box-shadow: 0 40px 100px rgba(55,39,28,.12); }
.hero-art img { width: min(430px, 85%); margin: 0 auto; border-radius: 210px 210px 40px 40px; mix-blend-mode: multiply; mask-image: linear-gradient(to bottom, #000 76%, transparent 100%); }
.orbit { position: absolute; z-index: -1; border: 1px solid rgba(184,138,85,.32); border-radius: 50%; transform: rotate(-19deg); }
.orbit-one { width: 82%; height: 40%; left: 9%; top: 26%; }
.orbit-two { width: 65%; height: 27%; left: 20%; top: 33%; transform: rotate(23deg); }
.result-note { position: absolute; right: 0; bottom: 48px; width: 210px; padding: 22px; background: rgba(248,244,238,.88); border: 1px solid rgba(255,255,255,.9); box-shadow: 0 22px 60px rgba(57,44,36,.14); backdrop-filter: blur(12px); }
.result-note span { color: var(--muted); font-size: 11px; letter-spacing: .2em; }
.result-note strong { display: block; margin: 8px 0; font: 500 36px/1.2 var(--serif); letter-spacing: .16em; }
.result-note p { margin: 0; color: var(--muted); font-size: 12px; }

.marquee { overflow: hidden; padding: 19px 0; color: var(--paper-light); background: var(--brown); white-space: nowrap; font: 17px/1 var(--serif); letter-spacing: .25em; }
.marquee div { width: max-content; min-width: 100%; text-align: center; }
.marquee i { margin: 0 18px; color: var(--gold); }

.section { width: min(1240px, calc(100% - 48px)); margin: 0 auto; padding: 150px 0; }
.method { display: grid; grid-template-columns: .76fr 1.24fr; gap: 10vw; }
.section-heading { position: sticky; top: 50px; align-self: start; }
.section h2 { margin: 0; font-size: clamp(42px, 5vw, 70px); font-weight: 500; line-height: 1.12; letter-spacing: -.04em; }
.section-heading > p:last-child, .principle-intro > p:last-child { margin: 30px 0 0; color: var(--muted); line-height: 1.9; }
.steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 70px 1fr; padding: 46px 0; border-bottom: 1px solid var(--line); }
.step-number { grid-row: 1 / 3; color: var(--gold); font: italic 18px/1 var(--serif); }
.steps h3 { margin: 0 0 14px; font-size: 28px; font-weight: 500; }
.steps p { margin: 0; color: var(--muted); line-height: 1.8; }

.principles { width: 100%; max-width: none; padding-left: max(24px, calc((100vw - 1240px) / 2)); padding-right: max(24px, calc((100vw - 1240px) / 2)); color: #eee7df; background: var(--brown-deep); }
.principle-intro { display: grid; grid-template-columns: 1fr 1fr; column-gap: 10vw; align-items: end; margin-bottom: 72px; }
.principle-intro .eyebrow { grid-column: 1 / -1; color: #bbae9f; }
.principle-intro > p:last-child { color: #bbae9f; }
.principle-grid { display: grid; grid-template-columns: 1.1fr .9fr .9fr; border: 1px solid rgba(255,255,255,.14); }
.principle-card { min-height: 350px; padding: 38px; border-left: 1px solid rgba(255,255,255,.14); }
.principle-card:first-child { border-left: 0; }
.principle-card h3 { margin: 90px 0 18px; font-size: 26px; font-weight: 500; }
.principle-card p { margin: 0; color: #bbae9f; line-height: 1.8; }
.principle-card.featured { color: var(--brown-deep); background: #d8c5ad; }
.principle-card.featured p { color: #68584c; }
.principle-card.featured h3 { margin-top: 60px; }
.seal { width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid rgba(57,44,36,.55); border-radius: 50%; font: 28px/1 var(--serif); }
.card-index { color: var(--gold); font: italic 18px/1 var(--serif); }

.quote { max-width: 940px; text-align: center; }
.quote-mark { margin: 0; color: var(--gold); font: 100px/.6 Georgia, serif; }
blockquote { margin: 30px 0; font-size: clamp(36px, 5vw, 62px); font-weight: 400; line-height: 1.35; letter-spacing: -.03em; }
.quote-caption { color: var(--muted); font-size: 12px; letter-spacing: .2em; }

.cta { display: flex; align-items: end; justify-content: space-between; gap: 60px; padding-top: 100px; padding-bottom: 100px; border-top: 1px solid var(--line); }
.cta-side { text-align: right; }
.cta-side p { margin: 0 0 18px; color: var(--muted); }
.store-badge { display: inline-block; padding: 15px 20px; color: white; background: var(--brown-deep); border-radius: 12px; font-size: 14px; }

footer { width: min(1240px, calc(100% - 48px)); margin: 0 auto; padding: 48px 0 38px; display: grid; grid-template-columns: 1fr auto; gap: 35px; border-top: 1px solid var(--line); }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand strong, .footer-brand span { display: block; }
.footer-brand strong { font-family: var(--serif); letter-spacing: .12em; }
.footer-brand span { margin-top: 4px; color: var(--muted); font-size: 11px; }
.footer-links { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: 13px; }
.copyright { grid-column: 1 / -1; margin: 10px 0 0; color: var(--muted); font-size: 11px; }

.legal-page main { width: min(820px, calc(100% - 48px)); margin: 0 auto; padding: 90px 0 140px; }
.legal-page h1 { font-size: clamp(46px, 7vw, 76px); }
.legal-meta { margin: 18px 0 60px; color: var(--muted); font-size: 13px; }
.legal-content { padding-top: 10px; border-top: 1px solid var(--line); }
.legal-content section { padding: 34px 0; border-bottom: 1px solid var(--line); }
.legal-content h2 { margin: 0 0 14px; font-size: 24px; font-weight: 500; }
.legal-content p, .legal-content li { color: var(--muted); line-height: 1.9; }
.legal-content ul { padding-left: 1.2em; }
.back-link { display: inline-flex; margin-bottom: 42px; color: var(--muted); font-size: 13px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.75,.2,1); }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .site-header { height: 72px; }
  nav a { display: none; }
  .nav-status { font-size: 11px; padding: 8px 11px; }
  .hero { grid-template-columns: 1fr; padding-top: 64px; }
  .hero-art { min-height: 500px; }
  .hero-art img { width: min(390px, 90%); }
  .method { grid-template-columns: 1fr; gap: 70px; }
  .section-heading { position: static; }
  .principle-intro { grid-template-columns: 1fr; }
  .principle-intro > p:last-child { margin-top: 24px; }
  .principle-grid { grid-template-columns: 1fr; }
  .principle-card { min-height: 270px; border-left: 0; border-top: 1px solid rgba(255,255,255,.14); }
  .principle-card:first-child { border-top: 0; }
  .principle-card h3 { margin-top: 60px; }
  .cta { align-items: start; flex-direction: column; }
  .cta-side { text-align: left; }
}

@media (max-width: 560px) {
  .site-header, .hero, .section, footer { width: min(100% - 32px, 1240px); }
  .brand { font-size: 16px; }
  .brand img { width: 32px; height: 32px; }
  .hero { min-height: auto; padding: 58px 0 70px; }
  h1 { font-size: 54px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .proof-list { gap: 10px 16px; }
  .hero-art { min-height: 430px; }
  .result-note { right: -4px; bottom: 24px; width: 180px; }
  .marquee { font-size: 14px; }
  .section { padding: 100px 0; }
  .principles { width: 100%; padding-left: 16px; padding-right: 16px; }
  .steps li { grid-template-columns: 50px 1fr; }
  .steps h3 { font-size: 23px; }
  footer { grid-template-columns: 1fr; }
  .footer-links { align-items: flex-start; flex-direction: column; gap: 13px; }
  .copyright { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}