:root{
  --bg:#fbfcfc;--surface:#fff;--soft:#f0f6f6;--ink:#12202b;--muted:#4d5d6c;--line:#d8e2e5;
  --brand:#1d6b64;--brand-ink:#fff;--brand-soft:#e1f0ee;--navy:#1a1f3a;--stress:#2563eb;
  --warn-bg:#fff7e0;--warn-line:#e8cf86;
  --radius:14px;--shadow:0 1px 2px rgba(18,32,43,.06),0 10px 28px rgba(18,32,43,.09);
  --ipa:"Gentium Plus","Charis SIL","Doulos SIL",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0e1620;--surface:#15202c;--soft:#1a2735;--ink:#e8eef4;--muted:#a6b5c3;--line:#26384a;
    --brand:#5fc4b8;--brand-ink:#08201d;--brand-soft:#173a38;--stress:#82adff;
    --warn-bg:#2d2812;--warn-line:#6b5d22;--shadow:0 10px 28px rgba(0,0,0,.35)}
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--sans);-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto}
a{color:var(--brand)}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--stress);outline-offset:2px;border-radius:4px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.4rem);letter-spacing:-.025em}
h2{font-size:clamp(1.55rem,3.4vw,2.1rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
code,kbd{font:.88em ui-monospace,SFMono-Regular,Consolas,monospace}
kbd{background:var(--soft);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:.05em .45em}
.wrap{width:min(1080px,100% - 32px);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:8px;top:-60px;background:var(--brand);color:var(--brand-ink);padding:8px 14px;border-radius:8px;z-index:20}
.skip:focus{top:8px}

/* header */
header.site{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;flex-wrap:wrap;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none}
.brand img{border-radius:7px}
nav{display:flex;align-items:center;gap:4px 18px;flex-wrap:wrap}
nav a:not(.btn){color:var(--ink);text-decoration:none;font-size:.95rem;padding:4px 0;border-bottom:2px solid transparent}
nav a:not(.btn):hover,nav a[aria-current]{border-bottom-color:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--brand);color:var(--brand);background:transparent;font:600 1rem var(--sans);padding:.65em 1.2em;border-radius:10px;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--brand-soft)}
.btn.primary{background:var(--brand);color:var(--brand-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.sm{padding:.4em .9em;font-size:.92rem}

/* layout */
section{padding:clamp(44px,7vw,84px) 0}
section.alt{background:var(--soft);border-block:1px solid var(--line)}
.eyebrow{font-size:.82rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--brand);margin-bottom:.7em}
.lead{font-size:1.18rem;color:var(--muted);max-width:60ch}
.hero{padding-top:clamp(40px,6vw,76px)}
.hero-grid{display:grid;gap:36px;grid-template-columns:1.1fr .9fr;align-items:center}
@media (max-width:820px){.hero-grid{grid-template-columns:1fr}}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.4em}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
@media (max-width:820px){.g2,.g3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin-top:0}
.card.lift{box-shadow:var(--shadow)}
.product{display:flex;flex-direction:column;gap:6px}
.product img{border-radius:14px;width:64px;height:64px}
.product .links{margin-top:auto;padding-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.pill{display:inline-block;font-size:.78rem;font-weight:700;padding:.15em .7em;border-radius:99px;background:var(--brand-soft);color:var(--brand)}
.pill.dev{background:var(--soft);color:var(--muted);border:1px solid var(--line)}
.note{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:12px;padding:14px 18px;margin:1.2em 0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:18px 24px;margin-top:1.8em;padding:0;list-style:none}
.stats b{display:block;font-size:1.7rem;letter-spacing:-.02em}
.stats span{font-size:.88rem;color:var(--muted)}

/* syllable stack */
.stk{display:inline-flex;align-items:center;font-family:var(--ipa);line-height:1;white-space:nowrap;color:var(--ink)}
.stk-syl{display:inline-flex;align-items:center}
.stk-ons{font-size:1.15em}
.stk-ons.stress{color:var(--stress);font-weight:700}
.stk-ons.empty{opacity:.45;margin-right:.1em}
.stk-nc{display:inline-flex;flex-direction:column;justify-content:center;font-size:.6em;line-height:.95;text-align:left}
.stk-nuc,.stk-cod{min-height:.95em}
.stack-stage{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 20px;text-align:center}
.stack-stage .stk{font-size:clamp(2.6rem,9vw,4.4rem)}
.stack-stage figcaption{margin-top:14px;font-size:.92rem;color:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;margin:16px 0 0;padding:0;list-style:none;font-size:.9rem;color:var(--muted)}
.legend b{color:var(--ink)}

/* hover demo */
.hv-demo{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,4vw,34px);font-size:clamp(1.15rem,2.6vw,1.5rem);line-height:2.05}
.hv-demo p{margin:0 0 .6em}.hv-demo p:last-of-type{margin:0}
.hv-word{border-bottom:2px dotted var(--brand);cursor:help;border-radius:2px}
.hv-word:hover,.hv-word[aria-describedby]{background:color-mix(in srgb,var(--stress) 14%,transparent)}
.hv-card{position:absolute;z-index:5;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:12px 16px;font-size:1.55rem;line-height:1;white-space:nowrap;pointer-events:none}
.hv-card[hidden]{display:none}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px;padding:0;list-style:none}
.chip{font:600 .92rem var(--sans);border:1.5px solid var(--line);background:var(--surface);color:var(--ink);padding:.35em .9em;border-radius:99px;cursor:pointer}
.chip:hover{border-color:var(--brand)}
.chip[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
td.ipa,.ipa{font-family:var(--ipa);font-size:1.2em}
.table-wrap{overflow-x:auto}

/* ime demo */
.ime-box{background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:14px;outline-offset:3px}
.ime-box:focus{border-color:var(--brand)}
.ime-label{font-size:.8rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.ime-buffer{min-height:2.6rem;font-size:1.8rem;font-family:var(--ipa);display:flex;align-items:center;flex-wrap:wrap}
.ime-buffer .ph{font:1rem var(--sans);color:var(--muted)}
.ime-cands{display:flex;gap:10px;flex-wrap:wrap;min-height:5rem;margin-top:8px}
.ime-cand{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-width:96px;text-align:left;background:var(--soft);border:1.5px solid var(--line);border-radius:10px;padding:8px 14px;color:var(--ink);font:inherit;cursor:pointer}
.ime-cand.sel{border-color:var(--brand);background:var(--brand-soft)}
.ime-word{font-weight:700;font-size:1.05rem}
.ime-cand .ss-word{font-size:1.15rem;margin-right:0}
.ime-none{color:var(--muted);font-size:.95rem;align-self:center}
.ime-out{min-height:3.2rem;font-size:1.3rem;border-top:1px dashed var(--line);margin-top:12px;padding-top:12px}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(54px,1fr));gap:6px}
.palette h4{grid-column:1/-1;margin:10px 0 0;font-size:.8rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.key{font:1.3rem var(--ipa);padding:.45em 0;border-radius:8px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.key.v{background:color-mix(in srgb,#6b5ce0 14%,var(--surface))}
.key.c{background:color-mix(in srgb,#2fa05a 15%,var(--surface))}
.key:hover{border-color:var(--brand)}
.tools{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.kbd-img{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px}

/* misc blocks */
ol.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;gap:14px}
ol.steps>li{counter-increment:s;position:relative;padding:4px 0 4px 54px}
ol.steps>li::before{content:counter(s);position:absolute;left:0;top:2px;width:36px;height:36px;border-radius:50%;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-weight:700}
ol.steps h3{margin-bottom:.2em}
dl.rules{display:grid;gap:14px;margin:0}
dl.rules div{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px}
dl.rules dt{font-weight:700}dl.rules dd{margin:.2em 0 0;color:var(--muted)}
.eg{font-family:var(--ipa);font-size:1.15rem;color:var(--ink)}
.sha{font:.78rem ui-monospace,Consolas,monospace;word-break:break-all;background:var(--soft);padding:6px 8px;border-radius:6px;display:block;margin-top:6px}
.prose{max-width:72ch}.prose h2{margin-top:1.8em;font-size:1.45rem}.prose h3{margin-top:1.4em}
.prose li{margin-bottom:.4em}
.meta{color:var(--muted);font-size:.92rem}

/* footer */
footer.site{border-top:1px solid var(--line);padding:40px 0 30px;background:var(--soft);font-size:.95rem}
.foot{display:grid;gap:26px;grid-template-columns:2fr 1fr 1.4fr}
@media (max-width:720px){.foot{grid-template-columns:1fr}}
.foot h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.foot a{display:block;margin-bottom:.35em}
.fine{grid-column:1/-1;margin:6px 0 0;color:var(--muted);font-size:.85rem}