/* ─────────────────────────────────────────────────────────────
   HMACA · Master Guolong Wang — v2 "dragon" build
   One page. Scroll drives the stage colour. Bright red, blue, gold.
   ───────────────────────────────────────────────────────────── */

:root {
  /* stage tokens — rewritten by v2.js as the reader scrolls */
  --ground: #0b0a0c;
  --ground2: #151317;
  --ink: #f6f1e8;
  --ink-dim: #b8b0a4;
  --accent: #e0262c;      /* dragon red */
  --accent-hi: #f5c242;   /* gold */
  --cool: #2f80ed;        /* blue */

  --serif: "Cormorant Garamond", "Cormorant", Georgia, "Times New Roman", serif;
  --brush: "Ma Shan Zheng", "Kaiti TC", "STKaiti", "PingFang TC", serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --gutter: clamp(1rem, 5vw, 4.5rem);
  --measure: 36rem;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --rule: color-mix(in srgb, var(--accent-hi) 45%, transparent);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(17px, 1.05vw + 12px, 20px);
  line-height: 1.55;
  overflow-x: hidden;
  transition: background-color 1.4s var(--ease), color 1.4s var(--ease);
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-weight: 500; line-height: 1.05; margin: 0; text-wrap: balance; }
p { margin: 0; }
.mono { font-family: var(--mono); font-size: .78em; letter-spacing: .02em; }

.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: #fff; padding: .5rem 1rem; z-index: 99; }
.skip:focus { left: 1rem; top: 1rem; }

/* ── header ───────────────────────────────────────────────── */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: calc(.9rem + env(safe-area-inset-top, 0px)) var(--gutter) .9rem;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--ground) 75%, transparent), transparent);
  transition: background 1.4s var(--ease);
}
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; min-width: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; }
.seal {
  display: inline-grid; place-items: center;
  width: 2.3rem; height: 2.3rem; flex: none;
  background: var(--accent); color: #fff;
  font-family: var(--brush); font-size: 1.5rem; line-height: 1;
  transform: rotate(-4deg);
  box-shadow: 0 0 0 1px color-mix(in srgb, #fff 20%, transparent) inset, 0 6px 18px -8px var(--accent);
}
.seal.small { width: 1.5rem; height: 1.5rem; font-size: 1rem; vertical-align: -.3rem; }
.nav { display: flex; gap: 1.3rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.nav a { text-decoration: none; color: var(--ink-dim); transition: color .3s; }
.nav a:hover, .nav a:focus-visible { color: var(--ink); }
.nav-cta { color: var(--accent-hi) !important; }
@media (max-width: 760px) { .nav { display: none; } }

/* ── buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.5rem; text-decoration: none;
  font-family: var(--mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase;
  border: 1px solid transparent; border-radius: 2px;
  transition: transform .35s var(--ease), background .35s, color .35s, border-color .35s;
}
.btn:hover { transform: translateY(-2px); }
.btn-red { background: var(--accent); color: #fff; box-shadow: 0 14px 34px -16px var(--accent); }
.btn-gold { background: var(--accent-hi); color: #1a0a0a; }
.btn-ghost { border-color: color-mix(in srgb, var(--ink) 35%, transparent); color: var(--ink); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--ink); }

/* ── chapters ─────────────────────────────────────────────── */
.chapter { position: relative; min-height: 100svh; display: grid; align-items: center; isolation: isolate; }
.copy {
  position: relative; z-index: 2;
  padding: clamp(5rem, 12vh, 9rem) var(--gutter);
  max-width: min(100%, calc(var(--measure) + 2 * var(--gutter)));
  min-width: 0;
}
.copy-wide { max-width: min(100%, calc(52rem + 2 * var(--gutter))); }
.kicker {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent-hi); margin-bottom: 1.2rem;
}
.kicker::before { content: ""; display: inline-block; width: 2rem; height: 1px; background: var(--accent); vertical-align: middle; margin-right: .8rem; }
h2 { font-size: clamp(2.1rem, 4.6vw, 3.9rem); margin-bottom: 1.4rem; }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.8rem); margin-bottom: .5rem; }
.lede { font-size: 1.12em; color: var(--ink-dim); max-width: var(--measure); margin-bottom: 1.6rem; }

/* chapter seams: every plate rises out of and sinks into the live page colour —
   no black breaks (Joseph 2026-10-10); the stage engine crossfades --ground over 1.4s */
.plate::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(to bottom, var(--ground) 0, transparent 22%, transparent 78%, var(--ground) 100%);
  transition: background 1.4s var(--ease); }
.hero .plate::after { background: linear-gradient(to bottom, transparent 0, transparent 70%, var(--ground) 100%); }

/* plates */
.plate { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.plate img, .plate video { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.plate-right, .plate-left { opacity: .92; }
.plate-right { -webkit-mask: linear-gradient(90deg, transparent 0, #000 55%); mask: linear-gradient(90deg, transparent 0, #000 55%); }
.plate-left  { -webkit-mask: linear-gradient(270deg, transparent 0, #000 55%); mask: linear-gradient(270deg, transparent 0, #000 55%); }
.plate-right img { object-position: 70% 15%; }
.plate-left  img { object-position: 30% 15%; }
.plate-left + .copy { margin-left: auto; }
.plate-full { opacity: 1; }
.plate-veil { position: absolute; inset: 0; background:
  linear-gradient(90deg, color-mix(in srgb, var(--ground) 86%, transparent) 0, color-mix(in srgb, var(--ground) 40%, transparent) 60%, transparent),
  linear-gradient(to top, var(--ground) 0, transparent 35%);
  transition: background 1.4s var(--ease); }
.archive img { filter: sepia(.25) contrast(1.05); object-position: 25% 20%; }
.archive { opacity: .55; }
.kb { transform-origin: 50% 40%; will-change: transform; }

@media (max-width: 900px) {
  .plate-right, .plate-left { -webkit-mask: linear-gradient(to bottom, #000 0, #000 35%, transparent 80%); mask: linear-gradient(to bottom, #000 0, #000 35%, transparent 80%); opacity: .6; }
  .plate-left + .copy { margin-left: 0; }
  .chapter.flow { align-items: end; }
  .copy { padding-top: 48svh; }
}

/* ── hero ─────────────────────────────────────────────────── */
.hero { min-height: 100svh; align-items: end; }
.hero-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; opacity: 0; transition: opacity 1.6s var(--ease); }
.hero-canvas.on { opacity: 1; }
.hero-veil { position: absolute; inset: 0; background:
  linear-gradient(90deg, color-mix(in srgb, var(--ground) 78%, transparent) 0, color-mix(in srgb, var(--ground) 35%, transparent) 45%, transparent 70%),
  radial-gradient(120% 90% at 20% 80%, color-mix(in srgb, var(--accent) 38%, transparent), transparent 60%),
  radial-gradient(80% 60% at 85% 10%, color-mix(in srgb, var(--cool) 35%, transparent), transparent 60%),
  linear-gradient(to top, var(--ground) 0, color-mix(in srgb, var(--ground) 70%, transparent) 40%, transparent 75%),
  linear-gradient(to bottom, color-mix(in srgb, var(--ground) 55%, transparent), transparent 30%);
  mix-blend-mode: normal; }
.hero-grain { position: absolute; inset: -50%; opacity: .07; pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grain 1.2s steps(4) infinite; }
@keyframes grain { 0%{transform:translate(0,0)} 25%{transform:translate(-3%,2%)} 50%{transform:translate(2%,-3%)} 75%{transform:translate(-1%,-1%)} 100%{transform:translate(0,0)} }

.hero-copy { position: relative; z-index: 2; padding: clamp(7rem, 18vh, 12rem) var(--gutter) clamp(5rem, 14vh, 9rem); max-width: 60rem; min-width: 0; }
.hero-name { display: flex; flex-direction: column; gap: .4rem; }
.hanzi { font-family: var(--brush); font-weight: 400; font-size: clamp(5.2rem, 17vw, 13rem); line-height: .95; letter-spacing: .04em; color: var(--ink); display: block; }
.brush-ink { display: inline-block; background: linear-gradient(180deg, #fff 0%, var(--ink) 55%, var(--accent-hi) 110%); -webkit-background-clip: text; background-clip: text; color: transparent;
  clip-path: inset(0 100% 0 0); animation: brushIn 1.6s var(--ease) .15s forwards; text-shadow: none; filter: drop-shadow(0 10px 30px color-mix(in srgb, var(--accent) 55%, transparent)); }
@keyframes brushIn { to { clip-path: inset(0 -5% 0 0); } }
.latin { font-size: clamp(1.6rem, 3.4vw, 2.9rem); font-style: italic; font-weight: 400; letter-spacing: .01em; color: var(--ink); }
.hero-sub { margin-top: 1.4rem; font-family: var(--mono); font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-dim); display: flex; flex-wrap: wrap; gap: .5rem .7rem; }
.hero-sub .dot { color: var(--accent); }
.hero-where { margin-top: .6rem; font-size: 1.15em; font-style: italic; color: var(--accent-hi); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }

.scroll-cue { position: absolute; left: 50%; bottom: calc(1.4rem + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); z-index: 3;
  width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--ink) 30%, transparent); backdrop-filter: blur(8px);
  display: grid; place-items: center; animation: cueIn 1s 2.4s both; }
.scroll-cue span { width: .55rem; height: .55rem; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); transform: rotate(45deg) translate(-15%, -15%); animation: cueBob 1.8s ease-in-out infinite; }
@keyframes cueIn { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }
@keyframes cueBob { 0%,100% { transform: rotate(45deg) translate(-25%,-25%); } 50% { transform: rotate(45deg) translate(0,0); } }

/* ── master ───────────────────────────────────────────────── */
.zh { margin: 1.8rem 0 1.4rem; padding-left: 1.1rem; border-left: 2px solid var(--accent); font-family: var(--brush); font-size: 1.18em; line-height: 1.8; color: var(--ink); }
.zh p + p { margin-top: .6rem; }
.zh footer { margin-top: .8rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; color: var(--ink-dim); }
.en { color: var(--ink-dim); }
.en p + p { margin-top: .8rem; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr)); gap: 1rem 1.6rem; margin: 2rem 0 0; padding-top: 1.4rem; border-top: 1px solid var(--rule); }
.facts > div { min-width: 0; }
.facts dt { font-family: var(--mono); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent-hi); margin-bottom: .25rem; }
.facts dd { margin: 0; font-size: 1.05em; }
.facts .mono { display: block; color: var(--ink-dim); }

/* ── lineage ──────────────────────────────────────────────── */
.lines { list-style: none; margin: 1.6rem 0 0; padding: 0; display: grid; gap: .9rem; }
.lines li { display: grid; grid-template-columns: 5.2rem 1fr; gap: 1rem; align-items: center; min-width: 0; padding: .9rem 0; border-top: 1px solid var(--rule); }
.lines li:last-child { border-bottom: 1px solid var(--rule); }
.gen { display: flex; align-items: baseline; gap: .2rem; color: var(--accent-hi); }
.gen b { font-size: 2.6rem; font-weight: 500; line-height: 1; font-variant-numeric: tabular-nums; }
.gen i { font-family: var(--mono); font-style: normal; font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; }
.line-name { display: flex; flex-direction: column; min-width: 0; }
.line-name span { font-family: var(--brush); font-size: 1.45em; line-height: 1.2; }
.line-name em { font-style: normal; color: var(--ink-dim); font-size: .95em; }
.teachers { margin-top: 1.8rem; font-family: var(--brush); font-size: 1.25em; }
.teachers-en { color: var(--ink-dim); font-size: .95em; }
.archive-cap { margin: 2rem 0 0; }
.archive-cap figcaption { display: flex; flex-direction: column; gap: .2rem; color: var(--ink-dim); font-size: .92em; }
.archive-cap .mono { color: var(--accent-hi); }

/* ── practice ─────────────────────────────────────────────── */
.styles { list-style: none; margin: 1.6rem 0 2.4rem; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: 1rem 1.6rem; }
.styles li { min-width: 0; padding: .9rem 0 .9rem 1rem; border-left: 2px solid var(--accent); display: flex; flex-direction: column; }
.styles span { font-family: var(--brush); font-size: 1.45em; line-height: 1.2; }
.styles em { font-style: normal; color: var(--ink-dim); font-size: .95em; }
.where { padding: 1.6rem; border: 1px solid var(--rule); background: color-mix(in srgb, var(--ground) 55%, transparent); backdrop-filter: blur(10px); max-width: 32rem; }
.where .big { font-size: 1.45em; font-style: italic; }
.where p + p { margin-top: .3rem; }
.where .btn { margin-top: 1.2rem; }
.aside { margin-top: 2rem; color: var(--ink-dim); max-width: var(--measure); font-size: .95em; }

/* ── healing ──────────────────────────────────────────────── */
.service { margin: 1.4rem 0; padding-left: 1.1rem; border-left: 2px solid var(--accent-hi); font-size: 1.08em; }
.service p + p { margin-top: .8rem; }
.service .sign { font-style: italic; color: var(--ink-dim); }
.service .sign span { font-style: normal; font-family: var(--mono); font-size: .74rem; letter-spacing: .1em; }
.chips { list-style: none; padding: 0; margin: 1.4rem 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.chips li { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; padding: .45rem .8rem; border: 1px solid var(--rule); border-radius: 999px; color: var(--accent-hi); }
.note { color: var(--ink-dim); font-size: .95em; margin-bottom: 1.4rem; }

/* ── association ──────────────────────────────────────────── */
.letter { margin: 1.4rem 0; padding-left: 1.1rem; border-left: 2px solid var(--accent); font-size: 1.08em; font-style: italic; }
.letter p + p { margin-top: .8rem; }
.letter footer { margin-top: .8rem; font-style: normal; font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; color: var(--ink-dim); }
.motto { font-family: var(--brush); font-size: 1.7em; margin-top: 1.8rem; color: var(--accent-hi); }
.motto-en { font-family: var(--mono); font-size: .74rem; letter-spacing: .24em; text-transform: uppercase; color: var(--ink-dim); }
.tag { margin-top: .6rem; font-style: italic; color: var(--ink-dim); }
.event { margin-top: 2rem; padding: 1.4rem 1.6rem; border: 1px solid var(--rule); background: color-mix(in srgb, var(--ground) 45%, transparent); }
.event .mono { color: var(--accent-hi); display: block; margin-bottom: .5rem; }
.event p + p { margin-top: .4rem; }
.welcome { font-family: var(--brush); font-size: 1.5em; color: var(--accent-hi); margin-top: .8rem !important; }

/* ── contact ──────────────────────────────────────────────── */
.contact .plate-full { opacity: .45; }
.contact .plate img { object-position: 70% 20%; }
.epigraph { font-style: italic; font-size: 1.25em; color: var(--accent-hi); max-width: var(--measure); margin-bottom: 2rem; }
.contact-list { list-style: none; margin: 0 0 2rem; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: 1.2rem 2rem; }
.contact-list li { min-width: 0; display: flex; flex-direction: column; gap: .2rem; padding-top: .9rem; border-top: 1px solid var(--rule); font-size: 1.1em; overflow-wrap: anywhere; }
.contact-list .k { font-family: var(--mono); font-size: .66rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent-hi); }
.contact-list a { text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--ink) 35%, transparent); width: max-content; max-width: 100%; }
.contact-list a:hover { border-color: var(--accent); }

/* ── footer ───────────────────────────────────────────────── */
.foot { position: relative; z-index: 2; padding: 2.5rem var(--gutter) calc(2.5rem + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--rule); color: var(--ink-dim); font-size: .95em; display: grid; gap: .5rem; background: var(--ground); }

/* ── reveal + review marks ────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(22px); filter: blur(6px); transition: opacity 1s var(--ease), transform 1s var(--ease), filter 1s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; filter: none; }
.hero .reveal { animation: none; }
html.review [data-pending-confirm] { outline: 1px dashed var(--accent-hi); outline-offset: 3px; position: relative; }
html.review [data-pending-confirm]::after { content: "confirm with Master Wang"; position: absolute; top: -1.1rem; left: 0; font: 500 .58rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #1a0a0a; background: var(--accent-hi); padding: .1rem .4rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .brush-ink { animation: none; clip-path: none; }
  .hero-grain, .scroll-cue span { animation: none; }
  .kb { transform: none !important; }
  body { transition: none; }
}

/* ── reading-glasses floor: no label under 14px on a phone ───────────── */
@media (max-width: 760px) {
  .kicker, .hero-sub, .btn, .brand-text, .chips li, .facts dt, .gen i, .contact-list .k,
  .zh footer, .letter footer, .service .sign span, .motto-en, .mono, .event .mono { font-size: max(1em * .78, 14px); }
  .kicker, .hero-sub { font-size: 14px; }
  .btn { font-size: 14px; padding: .9rem 1.3rem; }
  html.review [data-pending-confirm]::after { font-size: 11px; }
}