:root {
  --paper: #f3eee2;
  --paper-deep: #e8dfcf;
  --ink: #20251f;
  --ink-soft: #50584d;
  --mist: #879083;
  --cinnabar: #9e352d;
  --cinnabar-dark: #72251f;
  --line: rgba(32, 37, 31, 0.2);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "SimSun", serif;
  --sans: "FangSong", "STFangsong", "Noto Serif CJK SC", serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 6%, rgba(255,255,255,.72), transparent 24rem),
    linear-gradient(90deg, rgba(80,70,54,.025) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 5px 5px, auto;
  font-family: var(--sans);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--cinnabar); outline-offset: 5px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 1rem; top: -6rem; z-index: 100; padding: .75rem 1rem; background: var(--ink); color: white; }
.skip-link:focus { top: 1rem; }

.site-header {
  position: fixed;
  z-index: 20;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  padding: 0 clamp(1.25rem, 5vw, 5.5rem);
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, min-height .35s ease;
}
.site-header.is-scrolled { min-height: 68px; background: rgba(243,238,226,.92); border-color: var(--line); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; }
.brand-seal { display: grid; place-items: center; width: 2.15rem; aspect-ratio: 1; color: #fff8e9; background: var(--cinnabar); font-family: var(--serif); font-size: 1.15rem; line-height: 1; box-shadow: inset 0 0 0 1px rgba(255,255,255,.35); }
.brand-wordmark { font-family: var(--serif); font-weight: 700; font-size: 1.2rem; letter-spacing: .18em; }
.primary-nav { display: flex; align-items: center; gap: clamp(.75rem, 1.55vw, 1.7rem); }
.primary-nav a, .nav-planned { position: relative; font-size: .82rem; text-decoration: none; letter-spacing: .1em; white-space: nowrap; }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.42rem; height: 1px; background: var(--cinnabar); transition: right .25s ease; }
.primary-nav a:hover::after { right: 0; }
.nav-planned { color: var(--mist); cursor: default; }
.nav-planned small { position: absolute; left: 50%; top: 1.3rem; display: none; padding: .1rem .35rem; color: #fff8e9; background: var(--ink); font-size: .58rem; letter-spacing: .08em; transform: translateX(-50%); }
.nav-planned:hover small { display: block; }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; }
.menu-button > span[aria-hidden] { display: block; width: 20px; height: 1px; margin: 6px auto; background: var(--ink); }

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(23rem, 1.1fr);
  align-items: center;
  overflow: hidden;
  padding: 8rem clamp(1.25rem, 8vw, 9rem) 5rem;
  border-bottom: 1px solid var(--line);
}
.hero::before { content: ""; position: absolute; top: 0; bottom: 0; left: 54%; width: 1px; background: linear-gradient(transparent, var(--line) 18%, var(--line) 82%, transparent); }
.hero-copy { position: relative; z-index: 2; max-width: 42rem; }
.eyebrow { margin: 0 0 1.2rem; color: var(--cinnabar); font-size: .82rem; font-weight: 700; letter-spacing: .32em; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.22; }
h1 { margin: 0; font-size: clamp(3.1rem, 6.8vw, 7.4rem); letter-spacing: -.055em; }
h1 span { color: transparent; -webkit-text-stroke: 1px var(--ink); }
.hero-intro { max-width: 34rem; margin: 2rem 0 0; color: var(--ink-soft); font-size: clamp(1rem, 1.4vw, 1.18rem); }
.hero-actions { display: flex; align-items: center; gap: 1.8rem; margin-top: 2.6rem; }
.primary-action { display: inline-flex; align-items: center; gap: 2rem; padding: .95rem 1.2rem .95rem 1.4rem; color: #fff8e9; background: var(--cinnabar); text-decoration: none; letter-spacing: .12em; transition: background .25s ease, transform .25s ease; }
.primary-action:hover { background: var(--cinnabar-dark); transform: translateY(-2px); }
.text-action { text-underline-offset: .42rem; text-decoration-thickness: 1px; }
.hero-art { position: relative; align-self: stretch; min-height: 32rem; }
.hero-background { position: absolute; inset: 8% -8% 0 8%; width: 100%; height: 86%; object-fit: cover; opacity: .2; filter: sepia(.3) saturate(.65); mix-blend-mode: multiply; }
.sun { position: absolute; z-index: 0; width: clamp(12rem, 22vw, 20rem); aspect-ratio: 1; top: 15%; right: 12%; border-radius: 50%; background: var(--cinnabar); opacity: .92; box-shadow: 0 0 0 1.8rem rgba(158,53,45,.06); animation: sunEnter 1.2s cubic-bezier(.22,.72,.2,1) both; }
.mountains { position: absolute; z-index: 1; width: min(62vw, 760px); right: -16%; bottom: -2px; overflow: visible; }
.mountain { fill: var(--paper-deep); stroke: var(--ink); stroke-width: 1.25; vector-effect: non-scaling-stroke; }
.mountain-back { opacity: .68; }
.mountain-front { fill: #d8cfbd; }
.river { fill: none; stroke: var(--cinnabar); stroke-width: 2.4; opacity: .8; }
.vertical-note { position: absolute; z-index: 2; right: 4%; top: 24%; margin: 0; color: rgba(32,37,31,.72); writing-mode: vertical-rl; letter-spacing: .45em; }
.scroll-cue { position: absolute; left: clamp(1.25rem, 5vw, 5.5rem); bottom: 2rem; display: flex; align-items: center; gap: .8rem; color: var(--mist); font-size: .72rem; letter-spacing: .22em; }
.scroll-cue span { display: block; width: 3.5rem; height: 1px; background: var(--mist); transform-origin: left; animation: cue 2.2s ease-in-out infinite; }

.section { position: relative; display: grid; grid-template-columns: minmax(12rem,.62fr) minmax(18rem,.85fr) minmax(20rem,1.25fr); gap: clamp(2rem,5vw,7rem); padding: clamp(6rem,10vw,11rem) clamp(1.25rem,8vw,9rem); border-bottom: 1px solid var(--line); }
.section-index { color: var(--cinnabar); font-family: var(--serif); font-size: clamp(4rem,8vw,8rem); line-height: .8; opacity: .2; }
.section-heading h2 { margin: 0; font-size: clamp(2.3rem,4vw,4.6rem); letter-spacing: -.035em; }
.section-heading > p:last-child { max-width: 32rem; color: var(--ink-soft); }
.academy-body { align-self: end; max-width: 42rem; color: var(--ink-soft); font-size: 1.08rem; }
blockquote { margin: 2.4rem 0 0; padding: 1.4rem 0 1.4rem 1.6rem; border-left: 2px solid var(--cinnabar); color: var(--ink); font-family: var(--serif); font-size: 1.35rem; }

.culture { background: #262c26; color: #f3eee2; }
.culture .section-index { color: #d7b9a2; }
.culture .section-heading > p:last-child { color: #bdc2b8; }
.destination-list { align-self: start; border-top: 1px solid rgba(243,238,226,.24); }
.destination { position: relative; display: grid; grid-template-columns: 3rem 1fr auto 2.5rem; gap: 1.2rem; align-items: start; padding: 2rem 0; border-bottom: 1px solid rgba(243,238,226,.24); text-decoration: none; }
.destination::before { content: ""; position: absolute; inset: 0; background: rgba(255,255,255,.045); transform: scaleX(0); transform-origin: right; transition: transform .35s ease; }
.destination:hover::before { transform: scaleX(1); transform-origin: left; }
.destination > * { position: relative; z-index: 1; }
.destination-number { color: #d7b9a2; font-family: var(--serif); font-size: 1.7rem; }
.destination-copy { display: grid; gap: .5rem; }
.destination-copy strong { font-family: var(--serif); font-size: clamp(1.6rem,2.2vw,2.2rem); }
.destination-copy > span:last-child { max-width: 32rem; color: #bdc2b8; font-size: .94rem; }
.destination-meta, .destination-access { color: #d7b9a2; font-size: .74rem; letter-spacing: .16em; }
.destination-access { margin-top: .45rem; padding: .25rem .55rem; border: 1px solid rgba(215,185,162,.45); }
.destination-arrow { font-size: 1.6rem; transition: transform .25s ease; }
.destination:hover .destination-arrow { transform: translate(4px,-4px); }

.practice-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.practice-list li { display: grid; grid-template-columns: 4rem 1fr; gap: 1rem; padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.practice-list li > span { color: var(--cinnabar); font-size: .8rem; letter-spacing: .14em; }
.practice-list h3 { margin: -.25rem 0 .45rem; font-size: 1.65rem; }
.practice-list p { margin: 0; color: var(--ink-soft); }
.path-step-image { width: 100%; max-height: 11rem; margin: 0 0 1rem; object-fit: cover; filter: saturate(.65); }

.lineage-section { background: var(--paper-deep); }
.lineage-preview { position: relative; align-self: center; display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 1rem; min-height: 18rem; padding: 2.5rem; border: 1px solid var(--line); background: rgba(255,255,255,.22); }
.lineage-preview span { display: grid; place-items: center; width: clamp(3.4rem,6vw,5.5rem); aspect-ratio: 1; border: 1px solid var(--cinnabar); border-radius: 50%; color: var(--cinnabar); font-family: var(--serif); font-size: clamp(1.4rem,2.4vw,2.2rem); }
.lineage-preview i { display: block; height: 1px; background: var(--line); }
.lineage-preview strong { position: absolute; right: 1.5rem; bottom: 1.25rem; color: var(--mist); font-size: .72rem; letter-spacing: .24em; }

.channels-section { padding: clamp(6rem,10vw,10rem) clamp(1.25rem,8vw,9rem); border-bottom: 1px solid var(--line); }
.channels-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(3rem,6vw,5.5rem); }
.channels-heading h2 { max-width: 14ch; margin: 0; font-size: clamp(2.6rem,5vw,5.6rem); letter-spacing: -.04em; }
.channel-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid var(--line); }
.channel-entry { position: relative; min-height: 22rem; padding: clamp(2rem,4vw,4rem); border-bottom: 1px solid var(--line); text-decoration: none; overflow: hidden; }
.channel-entry:nth-child(odd) { border-right: 1px solid var(--line); }
.channel-entry h3 { margin: 1.2rem 0 .8rem; font-size: clamp(2rem,3vw,3.4rem); }
.channel-entry p { max-width: 27rem; margin: 0; color: var(--ink-soft); }
.entry-eyebrow { color: var(--cinnabar); font-size: .75rem; letter-spacing: .25em; }
.entry-action { position: absolute; left: clamp(2rem,4vw,4rem); bottom: 2.2rem; color: var(--cinnabar); font-size: .78rem; letter-spacing: .16em; }
.channel-entry.is-planned { color: #5f655c; background: rgba(80,88,77,.035); }
.channel-entry.is-planned .entry-action { color: var(--mist); }
.channel-entry.is-live::before { content: ""; position: absolute; inset: 0; background: var(--cinnabar); opacity: 0; transform: scaleY(0); transform-origin: bottom; transition: transform .4s ease, opacity .4s ease; }
.channel-entry.is-live:hover::before { opacity: .055; transform: scaleY(1); }
.channel-entry.is-live h3, .channel-entry.is-live .entry-action { transition: transform .3s ease; }
.channel-entry.is-live:hover h3, .channel-entry.is-live:hover .entry-action { transform: translateX(.45rem); }
.entry-image { width: 100%; height: 8rem; margin-bottom: 1.5rem; object-fit: cover; filter: saturate(.65); }

.notes-section { background: #e9e0d0; }
.planned-panel { align-self: stretch; display: flex; flex-direction: column; justify-content: space-between; min-height: 18rem; padding: 2rem; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(255,255,255,.42), transparent); }
.planned-panel span { color: var(--cinnabar); font-family: var(--serif); font-size: clamp(2.4rem,5vw,5rem); opacity: .25; }
.planned-panel strong { align-self: end; color: var(--mist); font-size: .78rem; letter-spacing: .22em; }

.protected-section { display: grid; grid-template-columns: auto minmax(0,48rem); justify-content: center; align-items: center; gap: clamp(2rem,6vw,6rem); padding: clamp(5rem,9vw,8rem) 1.25rem; background: var(--paper-deep); border-bottom: 1px solid var(--line); }
.protected-mark { display: grid; place-items: center; width: clamp(6rem,12vw,9rem); aspect-ratio: 1; border: 1px solid var(--cinnabar); color: var(--cinnabar); font-family: var(--serif); font-size: clamp(3rem,6vw,5rem); transform: rotate(-3deg); }
.protected-section h2 { margin: 0 0 1rem; font-size: clamp(2rem,3vw,3.2rem); }
.protected-section p:last-child { margin: 0; color: var(--ink-soft); }

.contact-details { display: grid; gap: 0; margin: 0; font-style: normal; border-top: 1px solid var(--line); }
.contact-details p { display: grid; grid-template-columns: 5rem 1fr; gap: 1rem; margin: 0; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.contact-details span { color: var(--cinnabar); font-size: .8rem; letter-spacing: .2em; }
.contact-details a { text-underline-offset: .35rem; }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: end; gap: 2rem; padding: 3rem clamp(1.25rem,5vw,5.5rem); color: #d9ddcf; background: #1d211d; }
.site-footer > div { display: flex; align-items: center; gap: .8rem; }
.site-footer strong { font-family: var(--serif); letter-spacing: .12em; }
.site-footer p { margin: 0; font-size: .78rem; letter-spacing: .08em; }
.site-footer p:last-child { text-align: right; }

[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .75s ease, transform .75s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }
@keyframes sunEnter { from { opacity: 0; transform: scale(.72); } to { opacity: .92; transform: scale(1); } }
@keyframes cue { 0%,100% { transform: scaleX(.35); opacity: .35; } 50% { transform: scaleX(1); opacity: 1; } }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; align-items: start; padding-top: 10rem; }
  .hero::before { display: none; }
  .hero-art { position: absolute; inset: auto -10% 0 35%; min-height: 58%; opacity: .72; }
  .hero-copy { max-width: 38rem; }
  .section { grid-template-columns: 5rem minmax(0,1fr); }
  .section-index { grid-row: 1 / span 2; }
  .academy-body, .destination-list, .practice-list, .contact-details { grid-column: 2; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .site-footer > p:nth-child(2) { display: none; }
}

@media (max-width: 1180px) {
  .site-header { min-height: 68px; background: rgba(243,238,226,.92); border-color: var(--line); backdrop-filter: blur(14px); }
  .menu-button { display: block; }
  .primary-nav { position: absolute; top: 68px; left: 0; right: 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0; padding: .8rem clamp(1.1rem,5vw,4rem) 1.2rem; background: rgba(243,238,226,.98); border-bottom: 1px solid var(--line); transform: translateY(-140%); opacity: 0; pointer-events: none; transition: transform .28s ease, opacity .28s ease; }
  .primary-nav[data-open="true"] { transform: none; opacity: 1; pointer-events: auto; }
  .primary-nav a, .nav-planned { padding: .75rem 0; border-bottom: 1px solid var(--line); }
  .nav-planned small { position: static; display: inline; margin-left: .45rem; padding: 0; color: var(--mist); background: transparent; transform: none; }
}

@media (max-width: 680px) {
  .site-header { min-height: 68px; padding-inline: 1.1rem; background: rgba(243,238,226,.92); border-color: var(--line); backdrop-filter: blur(12px); }
  .brand-wordmark { font-size: 1.05rem; }
  .primary-nav { grid-template-columns: 1fr; max-height: calc(100svh - 68px); overflow-y: auto; padding: .5rem 1.1rem 1rem; }
  .hero { min-height: 760px; padding: 8rem 1.25rem 5rem; }
  h1 { font-size: clamp(3rem,15vw,4.4rem); }
  .hero-intro { max-width: 25rem; }
  .hero-art { inset: auto -30% 0 10%; min-height: 44%; }
  .sun { top: 17%; right: 25%; width: 12rem; }
  .vertical-note { right: 20%; top: 23%; }
  .scroll-cue { left: 1.25rem; }
  .section { grid-template-columns: 1fr; gap: 1.8rem; padding: 5.5rem 1.25rem; }
  .section-index { grid-row: auto; font-size: 4rem; }
  .academy-body, .destination-list, .practice-list, .contact-details { grid-column: auto; }
  .destination { grid-template-columns: 2.2rem 1fr 2rem; }
  .destination-access { grid-column: 2; justify-self: start; }
  .destination-arrow { grid-column: 3; grid-row: 1; }
  .practice-list li { grid-template-columns: 2.8rem 1fr; }
  .lineage-preview { min-height: 14rem; padding: 1.25rem; gap: .5rem; }
  .channels-section { padding: 5.5rem 1.25rem; }
  .channels-heading { display: block; }
  .channel-grid { grid-template-columns: 1fr; }
  .channel-entry { min-height: 18rem; padding: 2rem 0; }
  .channel-entry:nth-child(odd) { border-right: 0; }
  .entry-action { left: 0; }
  .protected-section { grid-template-columns: 1fr; justify-items: start; padding: 5rem 1.25rem; }
  .site-footer { grid-template-columns: 1fr; align-items: start; }
  .site-footer p:last-child { text-align: left; }
}

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