/* ============================================================
   ROOTWORTH — HOMEPAGE (redesign lab 2026-10)
   Requires rw-shell.css. Sections: hero ink-wash, season,
   five phases, ancient/modern pairs, health freedom, herbs, how.
   ============================================================ */

.bay{padding-block:var(--bay)}
.rw-dark{background:var(--sumi);color:var(--ink-on-dark)}
.eyebrow{display:flex;align-items:center;gap:.7em;margin:0 0 1.1rem;font-family:var(--sans);
  font-size:.76rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--cinnabar-2)}
.rw-dark .eyebrow{color:var(--lantern)}
.eyebrow .rw-seal{font-size:1rem;letter-spacing:0}
.sec-head{max-width:46rem;margin-bottom:clamp(2rem,1rem + 3vw,3.6rem)}
.sec-head--wide{max-width:54rem}
.sec-head h2{font-size:var(--step-3);font-weight:300;margin-bottom:1rem}
.sec-lede{font-size:var(--step-1);line-height:1.5;font-weight:300;color:var(--ink-body);max-width:40em}
.rw-dark .sec-lede{color:#cfc4ae}
.mono{font-family:var(--mono);font-size:.8rem;letter-spacing:.02em;color:var(--jade-dim)}
.rw-dark .mono{color:var(--jade)}
.edu-note{margin:2.4rem 0 0;font-family:var(--sans);font-size:.84rem;color:var(--ink-body)}
.edu-note--dark{color:#cfc4ae}
cite{font-style:italic}

/* chips: toggle buttons, light + dark */
.chip{display:inline-flex;align-items:center;gap:.45em;min-height:44px;padding:.5em 1em;
  font-family:var(--sans);font-size:.86rem;font-weight:500;letter-spacing:.01em;cursor:pointer;
  background:transparent;color:inherit;border:1px solid rgba(22,19,15,.35);border-radius:999px;
  transition:background-color .2s,color .2s,border-color .2s}
.chip:hover{border-color:var(--sumi)}
.chip[aria-pressed="true"]{background:var(--sumi);color:var(--kozo);border-color:var(--sumi)}
.chip:disabled{opacity:.45;cursor:default}
.rw-dark .chip{border-color:rgba(236,227,210,.35)}
.rw-dark .chip:hover{border-color:var(--lantern)}
.rw-dark .chip[aria-pressed="true"]{background:var(--lantern);color:var(--sumi);border-color:var(--lantern)}
.chip .cjk{font-size:1.05em}

/* ── 1 HERO ─────────────────────────────────────────────── */
.hero{position:relative;isolation:isolate;overflow:hidden;background:var(--kozo);
  min-height:min(92svh,980px);display:grid;align-items:center;cursor:crosshair;touch-action:pan-y;
  /* pre-JS / no-JS wash: a few soft pools of ink */
  background-image:
    radial-gradient(38% 46% at 82% 30%,rgba(22,19,15,.20),transparent 70%),
    radial-gradient(30% 34% at 70% 78%,rgba(29,58,43,.16),transparent 72%),
    radial-gradient(22% 26% at 95% 62%,rgba(22,19,15,.18),transparent 70%)}
.hero__ink{position:absolute;inset:0;width:100%;height:100%;z-index:-1;opacity:0;transition:opacity 1.6s ease}
.hero.is-inked .hero__ink{opacity:1}
.hero__in{width:100%;padding-block:clamp(5rem,4rem + 6vw,9rem) clamp(6rem,5rem + 5vw,9rem)}
.hero__copy{max-width:min(44rem,100%);cursor:auto}
.hero h1{font-size:var(--step-4);font-weight:300;line-height:1.02;letter-spacing:-.025em;margin-bottom:1.5rem}
.hero__turn{display:block;font-style:italic;color:var(--forest)}
.hero__lede{font-size:var(--step-1);line-height:1.5;font-weight:300;color:#3d382f;max-width:34em;margin-bottom:2rem}
.hero__ctas{display:flex;flex-wrap:wrap;gap:.8rem}
.hero .rw-btn--ghost{background:rgba(243,234,217,.7)}
.hero__vert{position:absolute;right:var(--edge);top:50%;transform:translateY(-50%);margin:0;
  writing-mode:vertical-rl;font-family:var(--cjk);font-weight:500;font-size:clamp(1.1rem,.8rem + 1vw,1.6rem);
  letter-spacing:.5em;color:var(--sumi);opacity:.55;pointer-events:none;display:none}
.hero__hint{position:absolute;left:var(--edge);bottom:1.6rem;margin:0;font-family:var(--sans);
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-body);pointer-events:none}
.hint--coarse{display:none}
@media (hover:none){.hint--fine{display:none}.hint--coarse{display:inline}}
.hero__cue{position:absolute;left:50%;bottom:1rem;transform:translateX(-50%);display:flex;flex-direction:column;
  align-items:center;gap:.4rem;min-width:44px;min-height:44px;padding:.3rem .6rem;text-decoration:none;
  font-family:var(--sans);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--sumi)}
.hero__cue i{display:block;width:1px;height:38px;background:linear-gradient(var(--sumi),transparent);
  transform-origin:top;animation:cue 2.6s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);opacity:1}60%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}
@media (min-width:900px){.hero__vert{display:block}}
@media (max-width:640px){
  .hero{align-items:start}
  .hero__in{padding-block:3.2rem 7.5rem}
  .hero__hint{left:0;right:0;text-align:center;bottom:5.6rem}
  .hero__cue{bottom:.6rem}
}

/* ── 2 SEASON ───────────────────────────────────────────── */
.season{background:linear-gradient(var(--kozo),#efe4d0);border-top:1px solid var(--rule)}
.season__grid{display:grid;gap:clamp(2rem,1rem + 3vw,4rem);align-items:start}
@media (min-width:900px){.season__grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}}
.season__dialwrap{margin:0;position:sticky;top:calc(var(--head-h) + 2rem)}
@media (max-width:899.98px){.season__dialwrap{position:static;max-width:420px;margin-inline:auto}}
.season__dial{display:block;width:100%;height:auto;aspect-ratio:1}
.season__dialwrap figcaption{margin-top:.8rem;line-height:1.5;color:var(--ink-body)}
.dial__seg{opacity:.55;transition:opacity .4s}
.dial__seg.is-on{opacity:1}
.dial__lbl{font-family:var(--cjk);font-size:22px;fill:var(--sumi)}
.dial__mo{font-family:var(--sans);font-size:11px;fill:var(--ink-body);letter-spacing:.05em}
.dial__glyph{font-family:var(--cjk);font-size:64px;font-weight:700}
.dial__name{font-family:var(--sans);font-size:12px;letter-spacing:.3em;fill:var(--ink-body)}
.dial__marker{transition:transform .9s var(--ease)}
.dial__marker.is-preview circle:nth-child(2){fill:var(--kozo);stroke:var(--cinnabar-2)}

.season__card{--phase:#8a8470;position:relative;background:var(--kozo);border:1px solid var(--rule);
  border-top:4px solid var(--phase);padding:clamp(1.4rem,1rem + 2vw,2.6rem);min-height:36rem;
  transition:border-color .5s}
.season__when{margin:0 0 .3rem;color:var(--jade-dim)}
.season__term{margin:0 0 1.6rem;font-family:var(--sans);font-size:.92rem;color:var(--ink-body)}
.season__term .cjk{font-size:1.15em;color:var(--sumi)}
.season__phase{display:flex;align-items:center;gap:1.2rem;margin-bottom:1.6rem}
.season__glyph{display:grid;place-items:center;width:4.6rem;height:4.6rem;flex:0 0 auto;font-size:2.6rem;
  font-weight:700;color:var(--kozo);background:var(--sumi);border-radius:2px;
  box-shadow:inset 0 -6px 0 var(--phase);transition:box-shadow .5s}
.season__phase h3{font-size:var(--step-3);font-weight:300;line-height:1}
.season__name{margin:.3rem 0 0;font-family:var(--sans);font-size:.86rem;letter-spacing:.08em;color:var(--ink-body)}
.season__facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.1rem 1.4rem;margin:0 0 1.8rem}
.season__facts>div{padding:.6rem 0;border-bottom:1px solid var(--rule)}
.season__facts dt{font-family:var(--sans);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-body)}
.season__facts dd{margin:.1rem 0 0;font-size:1.02rem}
.season__facts .cjk{color:var(--cinnabar-2);margin-left:.25em}
.season__quote{margin:0 0 1.6rem;padding:1.2rem 0 1.2rem 1.3rem;border-left:2px solid var(--phase)}
.season__quote .cjk{font-size:clamp(1.25rem,1rem + 1vw,1.7rem);line-height:1.6;margin:0 0 .6rem;letter-spacing:.06em}
.season__en{font-style:italic;font-size:var(--step-0);margin:0 0 .6rem}
.season__quote footer{color:var(--jade-dim)}
.season__read{font-size:1rem}
.season__read strong{font-family:var(--sans);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:var(--cinnabar-2);margin-right:.4em}
.season__practice{font-size:.98rem;padding:.9rem 1rem;background:rgba(29,58,43,.06);border-radius:2px}
.season__practice .cjk{display:block;font-size:1.15rem;margin:.2rem 0;letter-spacing:.06em}
.season__plabel{display:block;font-family:var(--sans);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--jade-dim)}
.season__ctrls{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.6rem}
.no-js .season__ctrls{display:none}
@media (max-width:520px){.season__facts{grid-template-columns:1fr}.season__card{min-height:0}}

/* ── 3 FIVE PHASES ──────────────────────────────────────── */
.phases{position:relative;overflow:hidden}
.wx{display:grid;gap:clamp(2rem,1rem + 3vw,4rem);align-items:start}
@media (min-width:960px){.wx{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.wx__modes{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
.no-js .wx__modes,.no-js .wx__kbd{display:none}
.wx__diagram{position:relative;width:100%;max-width:520px;margin-inline:auto;aspect-ratio:1}
.wx__svg{position:absolute;inset:0;width:100%;height:100%}
.cyc{fill:none;stroke-width:2;transition:opacity .35s,stroke-width .35s}
.cyc--sheng{stroke:var(--lantern)}
.cyc--ke{stroke:#e8806a;stroke-dasharray:5 6}
.wx[data-mode="sheng"] .wx__ke,.wx[data-mode="ke"] .wx__sheng{opacity:.06}
.wx__sheng,.wx__ke{transition:opacity .4s}
.wx.is-live .cyc{opacity:.32}
.wx.is-live .cyc.is-out,.wx.is-live .cyc.is-in{opacity:1;stroke-width:3}
@media (prefers-reduced-motion:no-preference){
  .cyc--sheng.is-out,.cyc--sheng.is-in{stroke-dasharray:10 7;animation:flow 1.6s linear infinite}
  .cyc--ke.is-out,.cyc--ke.is-in{animation:flow 1.2s linear infinite}
}
@keyframes flow{to{stroke-dashoffset:-34}}
.wx__nodes{position:absolute;inset:0}
.wx__node{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);
  width:clamp(64px,19%,96px);aspect-ratio:1;border-radius:50%;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:.05rem;cursor:pointer;background:var(--sumi-soft);
  color:var(--ink-on-dark);border:1.5px solid rgba(236,227,210,.3);
  transition:transform .3s var(--ease),background-color .3s,border-color .3s,color .3s}
.wx__node .cjk{font-size:clamp(1.3rem,1rem + 1.2vw,1.9rem);line-height:1;font-weight:700}
.wx__en{font-family:var(--sans);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase}
.wx__node:hover{border-color:var(--lantern)}
.wx__node[data-phase="wood"]{--pc:#6f9d7c}.wx__node[data-phase="fire"]{--pc:#e8806a}
.wx__node[data-phase="earth"]{--pc:#d9a94e}.wx__node[data-phase="metal"]{--pc:#e7d9c1}
.wx__node[data-phase="water"]{--pc:#9fb6bf}
.wx__node .cjk{color:var(--pc)}
.wx__node[aria-selected="true"]{background:var(--pc);border-color:var(--pc);color:var(--sumi);
  transform:translate(-50%,-50%) scale(1.12)}
.wx__node[aria-selected="true"] .cjk{color:var(--sumi)}
.wx__legend{display:grid;gap:.5rem;margin:1.2rem 0 0;color:#cfc4ae}
.wx__legend>span{display:flex;align-items:center;gap:.7rem}
.lg{display:inline-block;flex:0 0 22px;height:0;border-top:2px solid var(--lantern)}
.lg--k{border-top:2px dashed #e8806a}
.wx__kbd{margin:.6rem 0 0;color:var(--ink-muted)!important}
.wx__panel{position:relative;padding:clamp(1.4rem,1rem + 2vw,2.4rem);background:var(--sumi-soft);
  border:1px solid var(--rule-dark);border-radius:2px;overflow:hidden}
.no-js .wx__panel+.wx__panel{margin-top:1rem}
.wx__big{position:absolute;right:-.06em;top:-.16em;margin:0;font-size:11rem;line-height:1;font-weight:700;
  color:var(--ink-on-dark);opacity:.05;pointer-events:none}
.wx__panel h3{font-size:var(--step-3);font-weight:300;margin-bottom:.4rem}
.wx__panel h3 i{font-size:.45em;color:var(--lantern);font-family:var(--mono);font-style:normal;vertical-align:middle;margin-left:.3em}
.wx__char{font-size:var(--step-1);font-weight:300;font-style:italic;color:#e3d8c3;margin-bottom:1.4rem}
.wx__dl{margin:0;display:grid;gap:0}
.wx__dl>div{display:grid;grid-template-columns:minmax(8.5rem,38%) 1fr;gap:1rem;padding:.65rem 0;border-top:1px solid var(--rule-dark)}
.wx__dl dt{font-family:var(--sans);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted);padding-top:.25em}
.wx__dl dd{margin:0;font-size:1rem}
.wx__dl .cjk{color:var(--lantern)}
.wx__rel{display:flex;flex-wrap:wrap;gap:.4rem;margin:1.4rem 0 0}
.wx__rel span{font-family:var(--sans);font-size:.78rem;padding:.35em .8em;border:1px solid var(--rule-dark);border-radius:999px;color:#e3d8c3}
.wx__rel span:nth-child(-n+2){border-color:rgba(217,169,78,.5)}
.wx__rel span:nth-child(n+3){border-color:rgba(232,128,106,.5);border-style:dashed}
.wx__src{margin-top:1rem;color:var(--ink-muted)!important}
@media (max-width:520px){.wx__dl>div{grid-template-columns:1fr;gap:.1rem}}
@media (prefers-reduced-motion:no-preference){
  .wx.is-live .wx__panel:not([hidden]){animation:rise .5s var(--ease)}
}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ── 4 ANCIENT TEXT, MODERN READ ────────────────────────── */
.texts{background:var(--kozo)}
.pairs{list-style:none;margin:0;padding:0;border-top:1px solid var(--sumi)}
.pair{display:grid;gap:1rem 2.4rem;padding:clamp(2rem,1.2rem + 2.5vw,3.6rem) 0;border-bottom:1px solid var(--rule)}
@media (min-width:860px){.pair{grid-template-columns:3.5rem minmax(0,1.2fr) minmax(0,1fr);align-items:start}}
.pair__n{margin:0;color:var(--cinnabar-2)!important;padding-top:.6rem}
.pair__zh{word-break:keep-all;overflow-wrap:anywhere;font-size:clamp(1.7rem,1.1rem + 2.2vw,3rem);line-height:1.25;margin:0 0 .8rem;letter-spacing:.06em;font-weight:500}
.pair__en{font-size:var(--step-1);font-style:italic;font-weight:300;margin:0 0 .5rem;color:var(--forest)}
.pair__src{margin:0;color:var(--jade-dim)}
.pair__new{margin:0;font-size:var(--step-0);line-height:1.65;color:#3d382f;padding-top:.5rem;border-top:1px solid var(--rule)}
@media (min-width:860px){.pair__new{border-top:0;border-left:1px solid var(--rule);padding:.6rem 0 0 2rem}}
.reveal-on .pair .pair__zh,.reveal-on .pair .pair__en,.reveal-on .pair .pair__new{opacity:0;transform:translateY(14px);
  transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal-on .pair .pair__en{transition-delay:.15s}
.reveal-on .pair .pair__new{transition-delay:.35s}
.reveal-on .pair.is-in .pair__zh,.reveal-on .pair.is-in .pair__en,.reveal-on .pair.is-in .pair__new{opacity:1;transform:none}

/* ── 5 HEALTH FREEDOM ───────────────────────────────────── */
.freedom{background:var(--forest);position:relative}
.freedom .sec-head h2{font-size:var(--step-4);font-weight:300;letter-spacing:-.02em}
.freedom .sec-lede,.freedom .edu-note--dark{color:#ddd3bf}
.freedom .mono{color:#b9d3c0}
.careline{display:flex;gap:1rem;align-items:flex-start;max-width:52rem;margin:0 0 clamp(2.4rem,1.6rem + 2vw,3.6rem);
  padding:1.2rem 1.4rem;border:1px solid rgba(217,169,78,.55);border-left:4px solid var(--lantern);background:rgba(22,19,15,.28)}
.careline .rw-seal{font-size:1.1rem;margin-top:.15rem}
.careline p{margin:0;font-size:1.05rem;line-height:1.55}
.careline strong{color:var(--lantern);font-weight:500}
.freedom__grid{display:grid;gap:clamp(1.2rem,.8rem + 1.5vw,2rem)}
@media (min-width:960px){.freedom__grid{grid-template-columns:1fr 1fr;align-items:start}.qb{position:sticky;top:calc(var(--head-h) + 1.5rem)}}
.tool{background:rgba(22,19,15,.32);border:1px solid var(--rule-dark);border-radius:2px;padding:clamp(1.3rem,1rem + 1.5vw,2.2rem);margin:0}
.tool__title{display:flex;align-items:baseline;gap:.7rem;font-size:var(--step-2);font-weight:300;margin-bottom:.7rem}
.tool__n{color:var(--lantern)!important;font-size:.85rem}
.tool__intro{font-size:.98rem;color:#ddd3bf}
.qb__chips{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.1rem 0 1.3rem}
.qb__list{margin:0 0 1.3rem;padding:0 0 0 1.4rem;counter-reset:none;min-height:9rem}
.qb__list li{padding:.55rem 0 .55rem .3rem;border-bottom:1px solid var(--rule-dark);font-size:1rem;line-height:1.5}
.qb__list li::marker{font-family:var(--mono);color:var(--lantern);font-size:.85em}
.qb__empty{list-style:none;color:#c9bda5;font-style:italic}
.no-js .qb .chip,.no-js [data-q-copy]{display:none}
.tool__actions{display:flex;flex-wrap:wrap;align-items:center;gap:.8rem 1rem}
.tool__status{margin:0;min-height:1.2em;color:#b9d3c0!important;flex:1 1 12rem}
.tool__foot{margin:1.2rem 0 0;font-size:.92rem;color:#c9bda5}
.jr__fields{display:grid;gap:.9rem;margin:1.1rem 0 1.3rem}
.jr__fields label{display:grid;gap:.4rem}
.jr__q{font-size:.96rem;line-height:1.45}
.jr__q .cjk{color:var(--lantern);margin-right:.35em}
.jr textarea{width:100%;min-height:3.2rem;resize:vertical;padding:.65rem .8rem;font:inherit;font-size:.98rem;
  color:var(--ink-on-dark);background:rgba(243,234,217,.06);border:1px solid rgba(236,227,210,.4);border-radius:2px}
.jr textarea:focus{border-color:var(--lantern);background:rgba(243,234,217,.1)}
.jr__keep{display:inline-flex;align-items:center;gap:.6rem;min-height:44px;font-family:var(--sans);font-size:.88rem;cursor:pointer}
.jr__keep input{width:20px;height:20px;accent-color:var(--lantern)}
.jr__keep.is-off{opacity:.5}
.literacy{margin-top:clamp(2.4rem,1.6rem + 2vw,3.6rem)}
.literacy__grid{display:grid;gap:.8rem;margin-top:1.2rem}
@media (min-width:760px){.literacy__grid{grid-template-columns:1fr 1fr}}
.lesson{border:1px solid var(--rule-dark);border-radius:2px;background:rgba(22,19,15,.22);transition:border-color .2s}
.lesson[open]{border-color:rgba(217,169,78,.55)}
.lesson summary{display:flex;align-items:center;gap:1rem;min-height:64px;padding:.9rem 1.2rem;cursor:pointer;list-style:none}
.lesson summary::-webkit-details-marker{display:none}
.lesson summary::after{content:"";margin-left:auto;width:10px;height:10px;border-right:1.5px solid var(--lantern);
  border-bottom:1.5px solid var(--lantern);transform:rotate(45deg);transition:transform .25s var(--ease);flex:0 0 auto}
.lesson[open] summary::after{transform:rotate(-135deg)}
.lesson__zh{font-size:1.35rem;color:var(--lantern);min-width:4.4em}
.lesson__t{font-size:1.1rem}
.lesson__body{padding:0 1.2rem 1.2rem}
.lesson__body .cjk{font-size:1.3rem;letter-spacing:.1em;color:var(--ink-on-dark);margin-bottom:.4rem}
.lesson__body p{font-size:.98rem;color:#ddd3bf}
.lesson__body .mono{margin-left:.4em}
.reveal-on .lesson{opacity:0;transform:translateY(10px);transition:opacity .7s var(--ease),transform .7s var(--ease),border-color .2s}
.reveal-on .lesson.is-in{opacity:1;transform:none}

/* ── 6 HERBS ────────────────────────────────────────────── */
.herbsec{background:#ece1cc}
.formula-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:.6rem}
.formula-bar__lbl{margin-right:.4rem}
.no-js .formula-bar{display:none}
.formula-note{min-height:3em;max-width:52rem;font-size:.98rem;font-style:italic;color:#3d382f;margin-bottom:1.4rem}
.herbs{list-style:none;margin:0;padding:0;display:grid;gap:.9rem;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:760px){.herbs{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (min-width:1080px){.herbs{grid-template-columns:repeat(4,minmax(0,1fr))}}
.herb{position:relative;display:flex;flex-direction:column;perspective:1100px;transition:opacity .4s,filter .4s}
.herb.is-dim .herb__front,.herb.is-dim .herb__turn{background:#e6dac4;border-style:dashed}
.herb.is-dim .herb__la{color:var(--ink-body)}
.herb.is-dim .herb__zh,.herb.is-dim .herb__py{color:var(--ink-body)}
.herb__role{position:absolute;z-index:3;top:-.55rem;left:.8rem;padding:.25em .7em;font-family:var(--sans);
  font-size:.74rem;font-weight:600;letter-spacing:.06em;background:var(--cinnabar-2);color:var(--kozo);border-radius:2px}
.herb__inner{display:grid;flex:1;min-height:14.5rem}
.herb__front,.herb__back{grid-area:1/1;border:1px solid var(--rule);border-bottom:0;border-radius:2px 2px 0 0;padding:1.2rem 1.1rem}
.herb__front{background:var(--kozo)}
.herb__back{background:var(--sumi);color:var(--ink-on-dark)}
.herb__zh{font-size:clamp(2.2rem,1.6rem + 2vw,3.1rem);line-height:1.1;margin:0 0 .7rem;font-weight:500;letter-spacing:.04em}
.herb__py{font-size:1.25rem;font-weight:400;margin-bottom:.15rem}
.herb__en{margin:0;font-size:.96rem;color:var(--ink-body)}
.herb__la{margin:.4rem 0 0;font-family:var(--mono);font-size:.72rem;color:var(--jade-dim);font-style:italic}
.herb__back dl{margin:0 0 .7rem}
.herb__back dl>div{display:flex;justify-content:space-between;gap:.6rem;padding:.32rem 0;border-bottom:1px solid var(--rule-dark)}
.herb__back dt{font-family:var(--sans);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted);padding-top:.2em}
.herb__back dd{margin:0;font-size:.9rem;text-align:right}
.herb__back p{margin:0;font-size:.9rem;line-height:1.45;font-style:italic;color:#e3d8c3}
.herb__turn{display:flex;align-items:center;justify-content:space-between;gap:.5rem;min-height:46px;width:100%;
  padding:.5rem 1.1rem;cursor:pointer;font-family:var(--sans);font-size:.8rem;font-weight:600;letter-spacing:.06em;
  background:var(--kozo);color:var(--sumi);border:1px solid var(--rule);border-radius:0 0 2px 2px;transition:background-color .2s,color .2s}
.herb__turn::after{content:"↻";font-size:1rem;transition:transform .5s var(--ease)}
.herb__turn:hover{background:var(--sumi);color:var(--kozo)}
.herb.is-open .herb__turn{background:var(--sumi);color:var(--kozo);border-color:var(--sumi)}
.herb.is-open .herb__turn::after{transform:rotate(-180deg)}
/* no-JS: front + back stacked, button hidden */
.herbs:not(.is-live) .herb__inner{display:block}
.herbs:not(.is-live) .herb__turn{display:none}
/* live: flip */
.herbs.is-live .herb__inner{transform-style:preserve-3d;transition:transform .7s var(--ease)}
.herbs.is-live .herb__front,.herbs.is-live .herb__back{backface-visibility:hidden;-webkit-backface-visibility:hidden}
.herbs.is-live .herb__back{transform:rotateY(180deg)}
.herbs.is-live .herb.is-open .herb__inner{transform:rotateY(180deg)}
@media (prefers-reduced-motion:reduce){
  .herbs.is-live .herb__inner,.herbs.is-live .herb.is-open .herb__inner{transform:none}
  .herbs.is-live .herb__back{transform:none;visibility:hidden}
  .herbs.is-live .herb.is-open .herb__back{visibility:visible}
  .herbs.is-live .herb.is-open .herb__front{visibility:hidden}
}
.fine{margin-top:2.2rem;padding-top:1.2rem;border-top:1px solid var(--rule);display:grid;gap:.4rem}
.fine p{margin:0;font-family:var(--sans);font-size:.84rem;color:var(--ink-body);max-width:80ch}

/* ── 7 HOW IT WORKS ─────────────────────────────────────── */
.how{position:relative}
.timeline{list-style:none;margin:0;padding:0;display:grid;gap:2rem;position:relative}
@media (min-width:860px){
  .timeline{grid-template-columns:repeat(3,1fr);gap:2.4rem}
  .timeline::before{content:"";position:absolute;left:0;right:0;top:1.95rem;height:1px;
    background:linear-gradient(90deg,var(--cinnabar),var(--lantern) 60%,transparent)}
}
.tstep{position:relative;padding-top:0}
.tstep__n{margin:0 0 .6rem;color:var(--lantern)!important}
.tstep__zh{display:grid;place-items:center;width:3.4rem;height:3.4rem;margin:0 0 1.2rem;font-size:1.6rem;font-weight:700;
  background:var(--sumi);color:var(--kozo);border:1px solid var(--lantern);border-radius:50%;position:relative;z-index:1}
@media (min-width:860px){.tstep__n{position:absolute;left:4.2rem;top:1.2rem;margin:0;padding:0 .5rem;background:var(--sumi)}.tstep__zh{margin-top:.2rem}}
.tstep h3{font-size:var(--step-2);font-weight:300;margin-bottom:.6rem;color:var(--kozo)}
.tstep p:last-child{color:#cfc4ae;font-size:1rem;max-width:34ch}
.reveal-on .tstep{opacity:0;transform:translateY(16px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal-on .tstep:nth-child(2){transition-delay:.12s}.reveal-on .tstep:nth-child(3){transition-delay:.24s}
.reveal-on .tstep.is-in{opacity:1;transform:none}
.how__cta{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.6rem;margin-top:clamp(2.4rem,1.6rem + 2vw,3.6rem);
  padding-top:2rem;border-top:1px solid var(--rule-dark)}
.how__cta .mono{margin:0}
/* the practitioner (credentials + scope, owner update 2026-10-02) */
.practitioner{display:grid;grid-template-columns:auto minmax(0,1fr);gap:1rem 1.4rem;align-items:start;max-width:52rem;
  margin-top:clamp(2.4rem,1.6rem + 2vw,3.6rem);padding:clamp(1.2rem,1rem + 1vw,1.8rem);
  border:1px solid var(--rule-dark);border-left:4px solid var(--lantern);background:rgba(243,234,217,.04)}
.practitioner .rw-seal{font-size:1.3rem;margin-top:.1rem}
.practitioner .eyebrow{margin-bottom:.5rem}
.practitioner h3{font-size:var(--step-2);font-weight:300;color:var(--kozo);margin-bottom:.45rem}
.practitioner__creds{margin:0 0 .4rem;line-height:1.55}
.practitioner__link{display:inline-flex;align-items:center;gap:.4em;min-height:44px;font-family:var(--sans);font-size:.9rem;color:var(--ink-on-dark)}
.practitioner__scope{margin:.7rem 0 .5rem;font-size:1rem;color:var(--ink-on-dark)}
.practitioner__fine{margin:0;font-family:var(--sans);font-size:.8rem;color:var(--ink-muted);max-width:80ch}
@media (max-width:520px){.practitioner{grid-template-columns:1fr}}

@media (min-width:900px){.hero .eyebrow{white-space:nowrap}}