/* Tao of You — site styles. Tokens and rules follow docs/DESIGN.md */
:root {
  --color-ink: #12192B;
  --color-paper: #F6F1E6;
  --color-on-ink: #F6F1E6;
  --color-on-ink-muted: #D8D2C4;
  --color-on-paper: #12192B;
  --color-on-paper-muted: #4A4A46;
  --color-gold: #B8924A;
  --color-gold-dark: #7F6128;
  --color-cinnabar: #A63D2F;
  --color-jade: #4F7C6B;
  --color-jade-dark: #3F6B5B;

  /* derived only from the tokens above */
  --gold-edge: color-mix(in srgb, var(--color-gold) 62%, var(--color-ink));
  --gold-glow: color-mix(in srgb, var(--color-gold) 78%, var(--color-paper));
  --ink-edge: color-mix(in srgb, var(--color-ink) 55%, var(--color-gold-dark));
  --line-on-ink: rgba(184, 146, 74, 0.35);
  --line-on-paper: rgba(18, 25, 43, 0.12);

  --font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --gutter: 20px;
  --section-y: 64px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}
@media (min-width: 768px) { :root { --gutter: 32px; --section-y: 112px; } }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--color-ink); color: var(--color-on-paper);
  font: 400 16px/1.7 var(--font-body); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
@media (min-width: 768px) { body { font-size: 17px; } }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0; text-wrap: balance; }
p { margin: 0 0 16px; }
:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; border-radius: 2px; }
.on-paper :focus-visible { outline-color: var(--color-ink); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--color-paper); color: var(--color-ink); padding: 12px 16px; z-index: 100; }
.skip:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: 100%; max-width: 1264px; margin: 0 auto; padding: 0 var(--gutter); }
.read { max-width: 720px; }
.section { padding: var(--section-y) 0; position: relative; }
.on-ink { background: var(--color-ink); color: var(--color-on-ink); }
.on-paper { background: var(--color-paper); color: var(--color-on-paper); }
.on-paper .muted { color: var(--color-on-paper-muted); }
.on-ink .muted { color: var(--color-on-ink-muted); }
.center { text-align: center; }
.center .read { margin-left: auto; margin-right: auto; }

.eyebrow { font: 500 14px/1.5 var(--font-body); letter-spacing: .14em; text-transform: uppercase; margin-bottom: 16px; }
.on-ink .eyebrow { color: var(--color-gold); }
.on-paper .eyebrow { color: var(--color-gold-dark); }
h1.hero-title { font-size: 40px; line-height: 1.1; }
h2 { font-size: 28px; line-height: 1.2; margin-bottom: 16px; }
h3 { font-size: 23px; line-height: 1.3; font-weight: 600; margin-bottom: 8px; }
@media (min-width: 768px) { h1.hero-title { font-size: 64px; } h2 { font-size: 36px; } h3 { font-size: 26px; } }
.lead { font-size: 18px; max-width: 60ch; }
.center .lead { margin-left: auto; margin-right: auto; }
.small { font-size: 14px; line-height: 1.5; }

/* ---------- buttons (3D "seal" style) ---------- */
.btn {
  --lift: 4px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 14px 28px; border-radius: 4px; border: 1px solid transparent;
  font: 500 15px/1 var(--font-body); text-decoration: none; cursor: pointer; position: relative;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease), background-color 200ms, color 200ms;
  transform: translateY(0);
}
.btn-primary { background: var(--color-gold); color: var(--color-ink); border-color: var(--gold-glow);
  background-image: linear-gradient(180deg, var(--gold-glow) 0%, var(--color-gold) 55%);
  box-shadow: 0 var(--lift) 0 var(--gold-edge), 0 calc(var(--lift) + 10px) 18px rgba(0,0,0,.28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 calc(var(--lift) + 2px) 0 var(--gold-edge), 0 calc(var(--lift) + 16px) 24px rgba(0,0,0,.3); }
.btn-primary:active { transform: translateY(var(--lift)); box-shadow: 0 0 0 var(--gold-edge), 0 2px 6px rgba(0,0,0,.3); }
.on-paper .btn-primary { background: var(--color-ink); color: var(--color-paper); border-color: var(--ink-edge);
  background-image: linear-gradient(180deg, color-mix(in srgb, var(--color-ink) 82%, var(--color-paper)) 0%, var(--color-ink) 60%);
  box-shadow: 0 var(--lift) 0 var(--ink-edge), 0 calc(var(--lift) + 10px) 18px rgba(18,25,43,.22); }
.on-paper .btn-primary:hover { box-shadow: 0 calc(var(--lift) + 2px) 0 var(--ink-edge), 0 calc(var(--lift) + 16px) 24px rgba(18,25,43,.26); }
.on-paper .btn-primary:active { box-shadow: 0 0 0 var(--ink-edge), 0 2px 6px rgba(18,25,43,.25); }
.btn-secondary { background: transparent; color: var(--color-gold); border-color: var(--color-gold); }
.btn-secondary:hover { background: rgba(184,146,74,.12); }
.on-paper .btn-secondary { color: var(--color-ink); border-color: var(--color-ink); }
.on-paper .btn-secondary:hover { background: rgba(18,25,43,.06); }
.btn-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.center .btn-row { justify-content: center; }

/* ---------- header ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; transition: background-color 250ms, border-color 250ms; border-bottom: 1px solid transparent; }
.site-header.scrolled, .site-header.open { background: rgba(18,25,43,.94); border-bottom-color: var(--line-on-ink); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; color: var(--color-on-ink); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 600 23px/1 var(--font-display); letter-spacing: .02em; }
.brand img { width: 30px; height: auto; }
.nav-links { display: none; gap: 32px; align-items: center; list-style: none; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; font-size: 15px; color: var(--color-on-ink-muted); padding: 12px 0; transition: color 200ms; }
.nav-links a:hover { color: var(--color-on-ink); }
.nav-links .btn { min-height: 44px; padding: 10px 20px; color: var(--color-gold); }
.nav-toggle { width: 44px; height: 44px; background: none; border: 0; color: var(--color-on-ink); cursor: pointer; display: grid; place-items: center; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: currentColor; position: relative; transition: transform 200ms; }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 22px; height: 1.5px; background: currentColor; transition: transform 200ms, top 200ms; }
.nav-toggle span::before { top: -7px; } .nav-toggle span::after { top: 7px; }
.site-header.open .nav-toggle span { background: transparent; }
.site-header.open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.site-header.open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }
.mobile-menu { display: none; padding: 8px 0 24px; }
.site-header.open .mobile-menu { display: block; }
.mobile-menu a { display: block; padding: 14px 0; border-top: 1px solid var(--line-on-ink); text-decoration: none; color: var(--color-on-ink); }
@media (min-width: 900px) { .nav-links { display: flex; } .nav-toggle, .mobile-menu { display: none !important; } }

/* ---------- hero ---------- */
.hero { min-height: 100svh; display: grid; align-items: center; padding: 120px 0 80px; overflow: hidden; text-align: center; isolation: isolate; }
.hero-rings { position: absolute; left: 50%; top: 44%; width: min(1100px, 190vw); transform: translate(-50%, -50%); z-index: -1; opacity: .55; }
.hero-rings circle { fill: none; stroke: var(--color-gold); stroke-width: 1; vector-effect: non-scaling-stroke; }
.hero-rings circle:nth-child(n+3) { opacity: .6; } .hero-rings circle:nth-child(n+5) { opacity: .35; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse at 50% 40%, rgba(18,25,43,0) 0%, var(--color-ink) 78%); }
.emblem { width: 120px; margin: 0 auto 24px; filter: drop-shadow(0 0 28px rgba(184,146,74,.25)); }
@media (min-width: 768px) { .emblem { width: 168px; margin-bottom: 32px; } }
.hero .lead { margin: 20px auto 40px; color: var(--color-on-ink-muted); }
.trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 28px; margin-top: 40px; list-style: none; padding: 0; color: var(--color-on-ink-muted); font-size: 14px; }
.trust li::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 10px; background: var(--color-gold); transform: rotate(45deg) translateY(-1px); }
.scroll-cue { position: absolute; bottom: 24px; left: 50%; width: 1px; height: 40px; background: linear-gradient(var(--color-gold), transparent); transform: translateX(-50%); opacity: .7; }

/* hexagram lines (broken / solid) */
.hex { display: flex; flex-direction: column-reverse; gap: 10px; width: 96px; }
.hex .yao { display: flex; gap: 12px; height: 4px; opacity: 0; transform: translateY(8px); }
.hex .yao i { flex: 1; background: var(--color-gold); border-radius: 1px; }
.hex .yao.broken i:first-child { flex: 0 0 calc(50% - 6px); } .hex .yao.broken i:last-child { flex: 0 0 calc(50% - 6px); }
.hex .yao.solid i:last-child { display: none; }
.hex.show .yao { animation: yao-in 420ms var(--ease) forwards; }
.hex.show .yao:nth-child(2) { animation-delay: 120ms; } .hex.show .yao:nth-child(3) { animation-delay: 240ms; }
.hex.show .yao:nth-child(4) { animation-delay: 360ms; } .hex.show .yao:nth-child(5) { animation-delay: 480ms; } .hex.show .yao:nth-child(6) { animation-delay: 600ms; }
@keyframes yao-in { to { opacity: 1; transform: none; } }
.on-paper .hex .yao i { background: var(--color-gold-dark); }

/* ---------- reveal on scroll (once, <=16px) ---------- */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 600ms var(--ease), transform 600ms var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal.d1 { transition-delay: 100ms; } .js .reveal.d2 { transition-delay: 200ms; } .js .reveal.d3 { transition-delay: 300ms; }

/* ---------- free preview ---------- */
.preview-grid { display: grid; gap: 48px; align-items: start; }
@media (min-width: 900px) { .preview-grid { grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; } }
.form-card { border: 1px solid var(--line-on-paper); border-radius: 8px; padding: 24px; background: rgba(255,255,255,.35); }
@media (min-width: 768px) { .form-card { padding: 32px; } }
label { display: block; font-weight: 500; font-size: 15px; margin-bottom: 8px; }
.field { width: 100%; min-height: 48px; padding: 12px 14px; border: 1px solid rgba(18,25,43,.35); border-radius: 4px; background: var(--color-paper); color: var(--color-ink); font: 400 16px var(--font-body); }
.field:focus-visible { outline: 2px solid var(--color-ink); outline-offset: 2px; }
.field[aria-invalid="true"] { border-color: var(--color-cinnabar); }
.err { color: var(--color-cinnabar); font-size: 14px; margin: 8px 0 0; min-height: 21px; }
.fine { font-size: 14px; line-height: 1.5; margin-top: 16px; }
.result { margin-top: 0; }
.result[hidden] { display: none; }
.result-card { border: 1px solid var(--line-on-paper); border-radius: 8px; padding: 28px; background: var(--color-paper); }
.result-head { display: flex; gap: 24px; align-items: center; margin-bottom: 20px; }
.badge-num { flex: none; width: 88px; height: 88px; border-radius: 50%; border: 1px solid var(--color-gold-dark); display: grid; place-items: center; font: 500 46px/1 var(--font-display); color: var(--color-ink); position: relative; }
.badge-num::after { content: ""; position: absolute; inset: 6px; border-radius: 50%; border: 1px solid var(--line-on-paper); }
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0 0 20px; }
.fact { border-top: 1px solid var(--line-on-paper); padding-top: 10px; }
.fact dt { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--color-gold-dark); }
.fact dd { margin: 2px 0 0; font: 600 23px/1.3 var(--font-display); }
.locked { list-style: none; margin: 0 0 24px; padding: 0; }
.locked li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line-on-paper); }
.locked .blur { filter: blur(5px); user-select: none; color: var(--color-on-paper-muted); }
.locked .tag { font-size: 13px; color: var(--color-gold-dark); white-space: nowrap; }
.result .hex { margin: 0 0 20px; }

/* ---------- report preview (mock pages) ---------- */
.stage { perspective: 1200px; display: flex; justify-content: center; }
.book { position: relative; width: min(100%, 520px); aspect-ratio: 1.28; transform-style: preserve-3d; transition: transform 200ms ease-out; }
.page { position: absolute; border-radius: 6px; overflow: hidden; border: 1px solid var(--line-on-paper); box-shadow: 0 24px 48px -16px rgba(18,25,43,.35); }
.page.cover { left: 0; top: 4%; width: 46%; aspect-ratio: .72; background: var(--color-ink); color: var(--color-on-ink); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 18px; transform: translateZ(30px) rotate(-3deg); z-index: 2; border-color: var(--line-on-ink); }
.page.cover .hex { width: 54px; gap: 6px; margin-bottom: 18px; } .page.cover .hex .yao { height: 3px; opacity: 1; transform: none; }
.page.cover b { font: 500 22px/1.15 var(--font-display); } .page.cover span { font-size: 11px; color: var(--color-on-ink-muted); margin-top: 8px; letter-spacing: .08em; }
.page.inner { right: 0; top: 0; width: 56%; aspect-ratio: .72; background: #fffdf8; color: var(--color-ink); padding: 22px; transform: translateZ(0) rotate(2.5deg); }
.page.inner h4 { font: 600 20px/1.2 var(--font-display); margin: 0 0 4px; } .page.inner small { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--color-gold-dark); }
.page.inner p { font-size: 11.5px; line-height: 1.55; margin: 10px 0 0; color: var(--color-on-paper-muted); }
.page.inner p.fade { filter: blur(3px); user-select: none; }
.page.inner .num { font: 500 58px/1 var(--font-display); margin-top: 14px; }
.list-reports { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 0; }
.list-reports li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line-on-paper); }
.list-reports li:last-child { border-bottom: 1px solid var(--line-on-paper); }
.list-reports .ico { width: 44px; height: 44px; border: 1px solid var(--color-gold-dark); border-radius: 50%; display: grid; place-items: center; font: 600 20px var(--font-display); color: var(--color-gold-dark); }
.list-reports strong { display: block; font-weight: 500; }
.soon { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--color-jade-dark); margin-left: 8px; }

/* ---------- steps ---------- */
.steps { display: grid; gap: 40px; margin-top: 56px; counter-reset: s; }
@media (min-width: 768px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 48px; } }
.step { border-top: 1px solid var(--color-gold-dark); padding-top: 24px; }
.step::before { counter-increment: s; content: "0" counter(s); font: 500 14px var(--font-body); letter-spacing: .14em; color: var(--color-gold-dark); display: block; margin-bottom: 16px; }

/* ---------- theory ---------- */
.theory { display: grid; gap: 24px; margin-top: 56px; }
@media (min-width: 900px) { .theory { grid-template-columns: repeat(3, 1fr); } }
.card-ink { border: 1px solid var(--line-on-ink); border-radius: 8px; padding: 32px 28px; transition: border-color 250ms, transform 250ms var(--ease); }
.card-ink:hover { border-color: var(--color-gold); transform: translateY(-4px); }
.card-ink h3 { color: var(--color-on-ink); }
.elements { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 48px; }
@media (max-width: 639px) { .elements { grid-template-columns: repeat(2, 1fr); } .elements .el:last-child { grid-column: span 2; } }
.el { border: 1px solid var(--line-on-ink); border-radius: 8px; padding: 18px 12px; text-align: center; }
.el b { display: block; font: 600 23px/1.2 var(--font-display); } .el span { font-size: 14px; color: var(--color-on-ink-muted); }
.el em { display: block; font-style: normal; font-size: 13px; letter-spacing: .1em; color: var(--color-gold); margin-top: 6px; }

/* ---------- pricing ---------- */
.price-card { max-width: 560px; margin: 48px auto 0; border: 1px solid var(--color-ink); border-radius: 8px; padding: 36px 28px; background: rgba(255,255,255,.4); text-align: left; position: relative; }
@media (min-width: 768px) { .price-card { padding: 48px; } }
.price { font: 500 64px/1 var(--font-display); display: flex; align-items: baseline; gap: 12px; margin: 8px 0 4px; }
.price small { font: 400 15px var(--font-body); color: var(--color-on-paper-muted); }
.checks { list-style: none; padding: 0; margin: 28px 0 32px; }
.checks li { padding: 10px 0 10px 32px; position: relative; border-top: 1px solid var(--line-on-paper); }
.checks li::before { content: ""; position: absolute; left: 4px; top: 19px; width: 12px; height: 7px; border-left: 2px solid var(--color-gold-dark); border-bottom: 2px solid var(--color-gold-dark); transform: rotate(-45deg); }
.price-card .btn { width: 100%; }
.price-note { margin-top: 16px; text-align: center; }

/* ---------- FAQ ---------- */
.faq { margin-top: 48px; border-bottom: 1px solid var(--line-on-paper); }
.faq details { border-top: 1px solid var(--line-on-paper); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 48px 22px 0; font: 600 23px/1.3 var(--font-display); position: relative; min-height: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 8px; top: 18px; font: 400 28px/1 var(--font-body); color: var(--color-gold-dark); transition: transform 200ms; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .ans { padding: 0 0 24px; max-width: 64ch; color: var(--color-on-paper-muted); }

/* ---------- final CTA + footer ---------- */
.final { text-align: center; overflow: hidden; }
.final .emblem { width: 80px; }
.footer { background: var(--color-ink); color: var(--color-on-ink-muted); border-top: 1px solid var(--line-on-ink); padding: 56px 0 40px; font-size: 14px; line-height: 1.6; }
.footer-grid { display: grid; gap: 32px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer h4 { font: 500 14px var(--font-body); letter-spacing: .12em; text-transform: uppercase; color: var(--color-gold); margin: 0 0 12px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li a { display: inline-block; padding: 6px 0; text-decoration: none; }
.footer li a:hover { color: var(--color-on-ink); text-decoration: underline; }
.footer .legal { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line-on-ink); }

/* ---------- legal pages ---------- */
.doc { padding: 120px 0 80px; }
.doc h1 { font-size: 40px; line-height: 1.15; margin-bottom: 8px; }
.doc h2 { font-size: 28px; margin: 40px 0 12px; }
.doc ul { padding-left: 22px; } .doc li { margin-bottom: 8px; }
.doc a { color: var(--color-gold-dark); }
.doc .updated { color: var(--color-on-paper-muted); font-size: 14px; }
.doc .site-header { position: static; }

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hex .yao { opacity: 1; transform: none; animation: none !important; }
  .btn, .card-ink { transition: none; }
  .book { transition: none; }
}