/* ===========================================================
   summeriser. — shared stylesheet
   Loaded by index.html and privacy.html.

   1. Tokens        6. Landing: how it works
   2. Base          7. Landing: pricing / FAQ / team
   3. Chrome        8. Doc: masthead + contents
   4. Landing: hero 9. Doc: sections
   5. Landing: deck 10. Footer
   =========================================================== */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

/* ── 1. tokens ─────────────────────────────────────────── */
:root{
  --acc:#f97316;
  --acc-dim:rgba(249,115,22,.38);
  --acc-wash:rgba(249,115,22,.07);
  --bg:#08080a;
  --panel:#101013;
  --line:rgba(255,255,255,.09);
  --tx:#d8d8dc;
  --mu:#83838d;
  --hd:#fafafa;
  --ease:cubic-bezier(.2,.8,.3,1);
}
[data-theme=light]{
  --bg:#f6f4f1;--panel:#fff;
  --line:rgba(0,0,0,.1);
  --tx:#2a2724;--mu:#6d6862;--hd:#16130f;
}

/* ── 2. base ───────────────────────────────────────────── */
html{scroll-behavior:smooth}
body{
  font-family:"DM Sans",system-ui,sans-serif;
  background:var(--bg);color:var(--tx);
  line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;min-height:100vh;
}
.wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 24px}
.wrap--narrow{max-width:1040px}

.eyebrow{
  font-family:"Martian Mono",monospace;font-size:10px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--acc);
  display:flex;align-items:center;gap:9px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--acc)}

.mono{font-family:"Martian Mono",monospace;font-size:12.5px;color:var(--acc)}

/* ── 3. chrome: header, buttons ────────────────────────── */
.hdr{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;max-width:1080px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--hd)}
.brand span{font-size:17px;font-weight:700;letter-spacing:-.03em}
.nav{display:flex;gap:26px}
.nav a{font-size:13.5px;color:var(--mu);text-decoration:none;transition:color .2s}
.nav a:hover{color:var(--hd)}
.hdr-r{display:flex;align-items:center;gap:8px}

.icon-btn{
  width:36px;height:36px;border-radius:8px;border:1px solid var(--line);
  background:transparent;color:var(--mu);cursor:pointer;
  display:grid;place-items:center;transition:color .2s,border-color .2s;
}
.icon-btn:hover{color:var(--acc);border-color:var(--acc-dim)}
.icon-btn svg{display:block}
[data-theme=dark] .ico-sun{display:block}
[data-theme=dark] .ico-moon{display:none}
[data-theme=light] .ico-sun{display:none}
[data-theme=light] .ico-moon{display:block}

.btn{
  font-size:13.5px;font-weight:600;text-decoration:none;
  padding:9px 17px;border-radius:8px;display:inline-flex;
  align-items:center;gap:8px;border:1px solid transparent;
  transition:opacity .2s,border-color .2s,color .2s;
}
.btn-p{color:var(--bg);background:var(--acc)}
.btn-p:hover{opacity:.86}
.btn-g{color:var(--mu);border-color:var(--line)}
.btn-g:hover{color:var(--hd);border-color:var(--mu)}
.btn-lg{padding:13px 24px;font-size:15px}

@media(max-width:760px){.nav{display:none}}

/* ── 4. landing: hero ──────────────────────────────────── */
.hero{padding:86px 0 72px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1fr 420px;gap:64px;align-items:center}
.hero h1{
  font-family:"Instrument Serif",Georgia,serif;font-weight:400;
  font-size:clamp(2.7rem,5.6vw,4.3rem);line-height:1.02;
  letter-spacing:-.022em;color:var(--hd);margin-bottom:20px;
}
.hero h1 i{color:var(--acc)}
.hero-sub{font-size:16.5px;color:var(--mu);max-width:44ch;margin-bottom:30px}
.hero-acts{display:flex;gap:11px;flex-wrap:wrap;margin-bottom:30px}
.hero-note{font-size:13px;color:var(--mu);display:flex;align-items:center;gap:8px}
.hero-note svg{color:var(--acc);flex-shrink:0}

.kinds{display:flex;gap:8px;flex-wrap:wrap;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.kinds span{
  font-family:"Martian Mono",monospace;font-size:10px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--mu);
  padding:5px 11px;border:1px solid var(--line);border-radius:6px;
  transition:color .2s,border-color .2s;
}
.kinds span:hover{color:var(--acc);border-color:var(--acc-dim)}

/* ── 5. landing: flip deck ─────────────────────────────── */
.deck{position:relative}
.deck-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.deck-count{font-family:"Martian Mono",monospace;font-size:10px;letter-spacing:.12em;color:var(--mu)}
.deck-count b{color:var(--acc);font-weight:600}
.deck-nav{display:flex;gap:6px}
.deck-nav button{width:30px;height:30px}

.stage{position:relative;height:330px;perspective:1400px;isolation:isolate}

.fcard{
  position:absolute;inset:0;transform-style:preserve-3d;
  transition:transform .55s var(--ease),opacity .4s var(--ease);
  opacity:0;pointer-events:none;
  /* keep off-deck cards out of the paint tree entirely */
  visibility:hidden;z-index:0;
}
.fcard.live{opacity:1;pointer-events:auto;visibility:visible;z-index:2}
.fcard.behind{
  opacity:.13;visibility:visible;z-index:1;
  transform:translateY(14px) scale(.97);
}
.fcard.flipped .f-front{transform:rotateY(180deg) translateZ(1px)}
.fcard.flipped .f-back{transform:rotateY(360deg) translateZ(1px)}

.face{
  position:absolute;inset:0;
  backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border:1px solid var(--line);border-radius:16px;background:var(--panel);
  display:flex;flex-direction:column;
  transition:transform .55s var(--ease),border-color .25s;
  /* NOTE: no overflow here. A scroll context cancels backface-visibility
     in Chrome and the reverse face bleeds through. Scroll .face-in instead. */
  overflow:hidden;
}
/* translateZ separates the two faces so neither can z-fight the other */
.f-front{transform:rotateY(0deg) translateZ(1px);cursor:pointer}
.f-front:hover{border-color:var(--acc-dim)}
.f-back{transform:rotateY(180deg) translateZ(1px)}
.face-in{flex:1;display:flex;flex-direction:column;padding:30px 28px;overflow-y:auto}

.f-no{font-family:"Martian Mono",monospace;font-size:9.5px;letter-spacing:.2em;color:var(--acc);margin-bottom:auto}
.f-front h3{
  font-family:"Instrument Serif",serif;font-weight:400;
  font-size:1.85rem;line-height:1.14;letter-spacing:-.018em;
  color:var(--hd);margin:22px 0 12px;
}
.f-hint{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"Martian Mono",monospace;font-size:9.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--mu);
}
.f-hint svg{color:var(--acc)}
.f-back h4{font-size:12px;font-weight:700;color:var(--mu);margin:20px 0 10px}
.f-back p{font-size:14.5px;margin-bottom:11px}
.f-back p:last-child{margin-bottom:0}
.f-back .mono{font-size:12px}

.steps{list-style:none;margin-top:6px}
.steps li{display:flex;gap:13px;padding:10px 0;border-top:1px solid var(--line);font-size:14px}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps b{font-family:"Martian Mono",monospace;font-size:10px;color:var(--acc);flex-shrink:0;padding-top:3px}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .stage{height:360px}
}

/* ── 6. landing: sections, features, how it works ──────── */
.sec{padding:78px 0;border-bottom:1px solid var(--line)}
.sec-head{max-width:56ch;margin-bottom:46px}
.sec-head h2{
  font-family:"Instrument Serif",serif;font-weight:400;
  font-size:clamp(1.9rem,3.6vw,2.7rem);line-height:1.1;
  letter-spacing:-.02em;color:var(--hd);margin-bottom:14px;
}
.sec-head h2 i{color:var(--acc)}
.sec-head p{font-size:16px;color:var(--mu)}
.sec-head a{color:var(--acc)}

.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px}
.feat > div{padding:26px 0;border-top:1px solid var(--line)}
.feat h3{
  display:flex;align-items:center;gap:11px;
  font-size:16px;font-weight:700;color:var(--hd);
  letter-spacing:-.015em;margin-bottom:9px;
}
.feat h3 svg{color:var(--acc);flex-shrink:0}
.feat p{font-size:14.5px;color:var(--mu);max-width:44ch}
@media(max-width:760px){.feat{grid-template-columns:1fr;gap:0}}

.hiw{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.flow{display:flex;flex-direction:column;gap:0}
.flow li{list-style:none;display:flex;gap:18px;padding:20px 0;border-top:1px solid var(--line)}
.flow li:last-child{border-bottom:1px solid var(--line)}
.flow .n{font-family:"Martian Mono",monospace;font-size:10px;color:var(--acc);flex-shrink:0;padding-top:4px;letter-spacing:.1em}
.flow h4{font-size:15px;font-weight:700;color:var(--hd);margin-bottom:5px}
.flow p{font-size:14px;color:var(--mu)}

.term{border:1px solid var(--line);border-radius:14px;background:var(--panel);overflow:hidden}
.term-bar{
  display:flex;align-items:center;gap:9px;padding:11px 16px;
  border-bottom:1px solid var(--line);
  font-family:"Martian Mono",monospace;font-size:10px;
  letter-spacing:.1em;color:var(--mu);
}
.term-bar i{width:8px;height:8px;border-radius:50%;background:var(--line);display:block}
.term-bar i:first-child{background:var(--acc)}
.term pre{
  padding:18px 18px 20px;overflow-x:auto;
  font-family:"Martian Mono",monospace;font-size:11.5px;line-height:1.72;color:var(--tx);
}
.k{color:var(--acc)}
.c{color:var(--mu)}
@media(max-width:860px){.hiw{grid-template-columns:1fr;gap:44px}}

/* ── 7. landing: pricing, FAQ, team ────────────────────── */
.price{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.price-amt{font-family:"Instrument Serif",serif;font-size:5.2rem;line-height:1;color:var(--hd);letter-spacing:-.04em}
.price-amt sup{font-size:2rem;vertical-align:super;color:var(--mu)}
.price ul{list-style:none;margin-top:8px}
.price li{display:flex;gap:13px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line);font-size:15px}
.price li:last-child{border-bottom:1px solid var(--line)}
.price li svg{color:var(--acc);flex-shrink:0;margin-top:3px}
@media(max-width:760px){.price{grid-template-columns:1fr;gap:32px}}

.faq{max-width:74ch}
.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:19px 0;
  font-size:16px;font-weight:500;color:var(--hd);
  display:flex;justify-content:space-between;align-items:center;gap:18px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{color:var(--mu);flex-shrink:0;transition:transform .28s var(--ease),color .2s}
.faq details[open] summary svg{transform:rotate(45deg);color:var(--acc)}
.faq p{font-size:14.5px;color:var(--mu);padding:0 0 20px;max-width:64ch}
.faq a{color:var(--acc)}

.team{display:grid;grid-template-columns:1fr 1fr;gap:0 56px}
.team > div{padding:30px 0;border-top:1px solid var(--line)}
.avatar{
  position:relative;width:78px;height:78px;margin-bottom:18px;
  border-radius:50%;overflow:hidden;
  border:1px solid var(--acc-dim);background:var(--panel);
  display:grid;place-items:center;
}
.avatar .mono-initials{
  font-family:"Instrument Serif",serif;font-size:27px;
  color:var(--acc);letter-spacing:.02em;line-height:1;
}
.avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
/* a missing file leaves the monogram visible instead of a broken icon */
.avatar img[data-missing]{display:none}
.team h3{font-size:17px;font-weight:700;color:var(--hd);letter-spacing:-.02em}
.team .role{
  font-family:"Martian Mono",monospace;font-size:9.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--acc);display:block;margin:6px 0 12px;
}
.team p{font-size:14.5px;color:var(--mu);max-width:42ch}
@media(max-width:760px){.team{grid-template-columns:1fr}}

/* ── 8. doc page: masthead + contents ──────────────────── */
.mast{padding:76px 0 42px;border-bottom:1px solid var(--line)}
.back{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--mu);text-decoration:none;margin-bottom:28px;
  transition:color .2s;
}
.back:hover{color:var(--acc)}
.back svg{transition:transform .2s var(--ease)}
.back:hover svg{transform:translateX(-3px)}
.mast h1{
  font-family:"Instrument Serif",Georgia,serif;font-weight:400;
  font-size:clamp(2.5rem,5.6vw,4rem);line-height:1.03;
  letter-spacing:-.02em;color:var(--hd);margin-bottom:18px;
}
.mast h1 i{color:var(--acc)}
.mast p{font-size:16px;color:var(--mu);max-width:48ch}
.mast-meta{
  display:flex;gap:28px;flex-wrap:wrap;margin-top:32px;
  font-family:"Martian Mono",monospace;font-size:10.5px;
  letter-spacing:.08em;color:var(--mu);
}
.mast-meta b{color:var(--tx);font-weight:400}

.doc-layout{display:grid;grid-template-columns:210px 1fr;gap:72px;align-items:start;padding:60px 0 100px}
.toc{position:sticky;top:92px}
.toc-h{
  font-family:"Martian Mono",monospace;font-size:10px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--mu);margin-bottom:14px;
}
.toc ol{list-style:none;counter-reset:t}
.toc a{
  counter-increment:t;display:block;font-size:13.5px;color:var(--mu);
  text-decoration:none;padding:7px 0 7px 26px;position:relative;transition:color .2s;
}
.toc a::before{
  content:counter(t,decimal-leading-zero);position:absolute;left:0;top:9px;
  font-family:"Martian Mono",monospace;font-size:9.5px;color:var(--mu);opacity:.55;
}
.toc a:hover,.toc a.active{color:var(--acc)}
.toc a.active::before{color:var(--acc);opacity:1}

/* ── 9. doc page: sections ─────────────────────────────── */
.doc section{padding:0 0 52px;scroll-margin-top:96px}
.doc section + section{border-top:1px solid var(--line);padding-top:52px}
.sec-no{
  font-family:"Martian Mono",monospace;font-size:10px;
  letter-spacing:.18em;color:var(--acc);display:block;margin-bottom:10px;
}
.doc section h2{
  font-family:"Instrument Serif",serif;font-weight:400;
  font-size:clamp(1.6rem,3vw,2.1rem);line-height:1.16;
  letter-spacing:-.018em;color:var(--hd);margin-bottom:18px;
}
.doc section h3{font-size:13px;font-weight:700;color:var(--mu);margin:26px 0 12px}
.doc section p{font-size:15.5px;margin-bottom:14px;max-width:66ch}
.doc section p:last-child{margin-bottom:0}
.doc section a{color:var(--acc)}

/* hairline rows, not boxes */
.rows{list-style:none;margin:6px 0 16px;max-width:66ch}
.rows li{display:flex;gap:14px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line);font-size:15px}
.rows li:last-child{border-bottom:1px solid var(--line)}
.rows li svg{flex-shrink:0;margin-top:3px}
.rows.yes li svg{color:var(--acc)}
.rows.no li svg{color:var(--mu)}
.rows b{color:var(--hd);font-weight:600}

.flag{border-left:2px solid var(--acc);padding:3px 0 3px 18px;margin:6px 0 18px;font-size:15.5px;max-width:66ch}
.flag b{color:var(--hd)}

/* horizontal data path — distinct from the landing page's .flow step list */
.datapath{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:10px 0 20px}
.datapath-node{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--tx);padding:8px 0}
.datapath-node svg{color:var(--acc)}
.datapath-arrow{color:var(--mu);display:grid;place-items:center}

.dl{margin-top:8px;max-width:66ch}
.dl div{display:flex;gap:18px;align-items:baseline;flex-wrap:wrap;padding:13px 0;border-top:1px solid var(--line)}
.dl div:last-child{border-bottom:1px solid var(--line)}
.dl dt{
  font-family:"Martian Mono",monospace;font-size:10px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--mu);min-width:112px;
}
.dl dd{font-size:15px}
.dl dd a{color:var(--acc)}

@media(max-width:860px){
  .doc-layout{grid-template-columns:1fr;gap:36px}
  .toc{position:static}
}
@media(max-width:640px){
  .mast{padding-top:52px}
  .dl dt{min-width:100%}
}

/* ── 10. footer ────────────────────────────────────────── */
.ftr{border-top:1px solid var(--line);padding:38px 0 46px}
.ftr-in{display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap}
.ftr strong{font-size:16px;letter-spacing:-.03em;color:var(--hd)}
.ftr p{font-size:13px;color:var(--mu);margin-top:5px}
.ftr nav{display:flex;gap:22px;flex-wrap:wrap}
.ftr nav a{font-size:13px;color:var(--mu);text-decoration:none}
.ftr nav a:hover{color:var(--hd)}

@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}