/* Tiho landing — paper world (BRAND.md tokens) */
:root{
  --paper:#F5F1E7; --card:#FBF8F0; --ink:#1F1D18; --soft:#5E594D;
  --line:#DDD6C6; --faint:#8A8474;
  --moss:#3A6350; --ochre:#B26F14;
  --stage:#121411; --stage2:#191C18; --stage-line:#2E322B;
  --stage-text:#EFE9DC; --stage-dim:#8F8B7C; --stage-faint:#6F7266;
  --beam:#E9A23B; --imark:#EDD9AE;
  --caslon:"Libre Caslon Text","Iowan Old Style",Georgia,serif;
  --sans:"Public Sans",-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"Spline Sans Mono",ui-monospace,"SF Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
h1,h2,h3,h4{font-family:var(--caslon);font-weight:400;letter-spacing:-.005em;
  margin:0;text-wrap:balance}
h2{font-size:clamp(26px,3.4vw,36px);line-height:1.2;margin:12px 0 18px}
.sub{color:var(--soft);font-size:16.5px;line-height:1.65;max-width:52ch;margin:0 0 14px}
.center{text-align:center}
.ic{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;display:inline-block;vertical-align:-3px}
.ic.f{fill:currentColor;stroke:none}
.eyebrow{font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.2em;text-transform:uppercase;color:var(--ochre);margin:0 0 6px}
.eyebrow.center{text-align:center}

/* ---------- logo (BRAND: only the i tilts, ochre on paper) ---------- */
.logo{font-family:var(--caslon);font-size:27px;color:var(--ink);text-decoration:none}
.logo .i{display:inline-block;transform:rotate(7deg);transform-origin:50% 78%;color:var(--ochre)}

/* ---------- nav ---------- */
.nav{display:flex;justify-content:space-between;align-items:center;padding-top:26px;padding-bottom:22px}
.nav-right{display:flex;align-items:center;gap:28px}
.nav-link{font-size:14px;font-weight:500;color:var(--soft);text-decoration:none;
  transition:color .18s}
.nav-link:hover{color:var(--ink)}
.btn{display:inline-block;white-space:nowrap;background:var(--ink);color:var(--paper);border:none;
  border-radius:6px;padding:12px 22px;font-family:var(--sans);font-weight:600;
  font-size:14px;text-decoration:none;cursor:pointer;
  transition:transform .16s cubic-bezier(.2,.6,.2,1),box-shadow .16s;
  box-shadow:0 6px 18px -8px rgba(31,29,24,.45)}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px -8px rgba(31,29,24,.5)}
.btn:active{transform:none}
.btn:focus-visible,.inp:focus-visible,.nav-link:focus-visible,.pv-link:focus-visible{
  outline:2px solid var(--beam);outline-offset:2px}
.btn-lg{padding:14px 28px;font-size:15px;border-radius:8px}

/* ---------- hero ---------- */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:60px;
  align-items:center;padding-top:44px;padding-bottom:72px}
h1{font-size:clamp(34px,3.8vw,50px);line-height:1.12;margin:10px 0 20px}
h1 em{font-style:italic}
.audience{color:var(--faint);font-size:14px;margin:0 0 26px}
.steps{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-bottom:28px}
.step{display:grid;grid-template-columns:100px minmax(0,1fr);gap:16px;
  align-items:baseline;padding:12px 0;border-top:1px solid var(--line)}
.step:first-child{border-top:none}
.step b{font-size:13.5px;font-weight:600;white-space:nowrap}
.step-n{font-family:var(--mono);font-weight:500;color:var(--ochre)}
.step>span{font-size:13.5px;line-height:1.55;color:var(--soft)}

.cta-row{display:flex;gap:10px;flex-wrap:wrap}
.inp{flex:1 1 220px;max-width:300px;border:1px solid var(--line);border-radius:8px;
  background:#fff;padding:13px 15px;font-size:15px;color:var(--ink);
  font-family:var(--sans);transition:border-color .18s}
.inp:focus{border-color:var(--moss);outline:none}
.inp::placeholder{color:var(--faint)}
.cta-note{font-size:13.5px;color:var(--soft);margin:12px 0 2px}
.fine{font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--faint);margin:0}
.cta-done{font-size:14.5px;color:var(--moss);margin:12px 0 0}

/* hero right: laptop */
.hero-right{position:relative}
.rings{position:absolute;inset:-12% -10%;pointer-events:none;
  background:
    radial-gradient(circle at 50% 42%, transparent 39.6%, rgba(58,99,80,.14) 39.9%, transparent 40.3%),
    radial-gradient(circle at 50% 42%, transparent 47.6%, rgba(178,111,20,.10) 47.9%, transparent 48.3%)}
.laptop{position:relative;border-radius:16px;padding:12px;
  background:linear-gradient(180deg,#26241E,#151511 62%,#0C0C0B);
  box-shadow:0 1px 0 rgba(255,255,255,.08) inset,0 0 0 1px #0A0A09,
    0 48px 96px -40px rgba(31,29,24,.55)}
.screen{position:relative;border-radius:9px;overflow:hidden;
  background:
    radial-gradient(120% 90% at 74% 0%,rgba(233,162,59,.20),transparent 55%),
    radial-gradient(140% 110% at 45% 115%,#2B2E26,#17190F 70%);
  padding:18px;display:flex;flex-direction:column;gap:14px}
.screen::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,rgba(255,255,255,.05),rgba(255,255,255,.012) 26%,transparent 44%)}
.callbar{display:flex;justify-content:space-between;align-items:center;gap:12px;
  background:rgba(12,13,10,.85);border:1px solid rgba(255,255,255,.07);
  border-radius:10px;padding:8px 9px 8px 14px;position:relative;z-index:1}
.cb-title{display:flex;align-items:center;gap:9px;font-size:12.5px;color:#D6D1C1}
.cb-title .ic{width:13px;height:13px;color:var(--stage-dim)}
.cb-title small{font-family:var(--mono);font-size:11px;color:var(--stage-dim);
  font-variant-numeric:tabular-nums}
.cb-acts{display:flex;gap:5px}
.cb-btn{width:29px;height:29px;border-radius:7px;display:flex;align-items:center;
  justify-content:center;background:rgba(255,255,255,.05);color:var(--stage-dim);font-style:normal}
.cb-btn .ic{width:14px;height:14px}
.cb-btn.end{width:38px;background:#B3543C;color:#F5E4DC}

.panel{background:var(--stage2);border:1px solid var(--stage-line);border-radius:12px;
  width:min(72%,400px);margin-left:auto;margin-right:4%;position:relative;z-index:2;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.75)}
.panel-head{display:flex;align-items:center;gap:11px;padding:12px 16px;
  border-bottom:1px solid #262A24}
.panel-logo{font-family:var(--caslon);font-size:17px;color:var(--stage-text)}
.panel-logo .i{display:inline-block;transform:rotate(7deg);transform-origin:50% 78%;color:var(--imark)}
.status{display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--stage-dim);flex:1}
.dot{width:6px;height:6px;border-radius:50%;background:#8FB8A2;
  box-shadow:0 0 8px rgba(143,184,162,.7);animation:pulse 3.2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.45}}
.panel-head .x{width:12px;height:12px;color:#565A50}
.panel-body{padding:15px 16px 13px}
.q-label{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--stage-faint);margin:0 0 6px}
.q-text{font-size:13.5px;line-height:1.5;color:#D6D1C1;margin:0;min-height:40px}
.cur{display:inline-block;width:1px;border-right:1.5px solid var(--imark);
  margin-left:2px;height:1.05em;vertical-align:-.18em;animation:blink 1.06s step-end infinite}
@keyframes blink{50%{opacity:0}}
.heard{font-family:var(--mono);font-size:10px;color:var(--stage-faint);margin:8px 0 0}
.ans{margin-top:11px;border-radius:8px;padding:12px 15px 11px;
  background:linear-gradient(180deg,rgba(233,162,59,.14),rgba(233,162,59,.05));
  border:1px solid rgba(233,162,59,.3);
  opacity:0;transform:translateY(4px);
  transition:opacity .4s cubic-bezier(.2,.6,.2,1),transform .4s cubic-bezier(.2,.6,.2,1)}
.ans.on{opacity:1;transform:none}
.ans-label{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--beam);margin:0 0 5px}
.ans-text{font-family:var(--caslon);font-size:23px;line-height:1.2;color:#F7F0E0;margin:0}
.ans-src{font-family:var(--mono);font-size:10.5px;color:var(--stage-dim);margin:8px 0 0}
.panel-foot{display:flex;align-items:center;gap:8px;padding:10px 16px;
  border-top:1px solid #262A24;font-family:var(--mono);font-size:10.5px;color:var(--stage-faint)}
.key{border:1px solid #3A3E37;border-bottom-width:2px;border-radius:5px;
  padding:2px 8px;background:#101210;color:#D6D1C1;font-size:10.5px;white-space:nowrap}
.key2{margin-left:10px}
.metric{font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  color:var(--faint);text-align:right;margin:12px 6px 0}

/* ---------- video ---------- */
.video{padding-top:26px;padding-bottom:70px;text-align:center}
.video .eyebrow{margin-bottom:20px}
.video-frame{position:relative;max-width:840px;margin:0 auto;aspect-ratio:16/9;
  border-radius:12px;background:
    repeating-linear-gradient(45deg,#191C18 0 14px,#15181402 14px 28px),#14170F;
  border:1px solid #2A2E28;display:flex;align-items:center;justify-content:center;
  box-shadow:0 34px 80px -36px rgba(31,29,24,.5)}
.play{width:64px;height:64px;border-radius:50%;background:rgba(245,241,231,.12);
  border:1px solid rgba(245,241,231,.3);display:flex;align-items:center;justify-content:center}
.play svg{width:22px;height:22px;fill:#EFE9DC;margin-left:3px}
.video-cap{position:absolute;left:16px;bottom:13px;font-family:var(--mono);
  font-size:11.5px;color:var(--stage-dim)}
.video-note{font-size:14px;color:var(--soft);margin:16px 0 0}

/* ---------- during ---------- */
.during{background:#EFEADD;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:64px 0 72px}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:26px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:24px 26px 22px}
.card h3{font-size:20px;margin:0 0 9px}
.card p{font-size:14px;line-height:1.6;color:var(--soft);margin:0}

/* ---------- memory ---------- */
.memory{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;
  align-items:start;padding-top:70px;padding-bottom:70px}
.flywheel{font-family:var(--caslon);font-style:italic;font-size:18.5px;line-height:1.5;
  color:var(--moss);border-top:1px solid var(--line);padding-top:16px;margin:18px 0 14px;max-width:46ch}
.facts{font-family:var(--mono);font-size:11px;line-height:1.7;color:var(--faint);
  letter-spacing:.02em;margin:0 0 12px;max-width:52ch}
.closing-line{font-size:14.5px;color:var(--ink);font-weight:500;margin:0}
.arch{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  box-shadow:0 24px 60px -32px rgba(31,29,24,.35)}
.arch-search{display:flex;align-items:center;gap:9px;padding:12px 18px;
  border-bottom:1px solid var(--line);font-size:13px;color:var(--faint)}
.arch-search .ic{width:14px;height:14px;color:var(--faint)}
.call-page{padding:18px 20px 16px;border-bottom:1px solid var(--line);background:#FDFBF5}
.cp-head{display:flex;justify-content:space-between;align-items:baseline}
.cp-head h4{font-size:19px}
.chip{font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;color:var(--moss);
  border:1px solid #C7D6CB;border-radius:4px;padding:1px 7px;vertical-align:2px;margin-left:6px}
.cp-date{font-family:var(--mono);font-size:11px;color:var(--faint)}
.cp-people{font-size:12.5px;color:var(--soft);margin:3px 0 12px}
.cp-label{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ochre);margin:12px 0 4px}
.cp-text{font-size:13px;line-height:1.55;color:var(--ink);margin:0}
.cp-todos{list-style:none;margin:0;padding:0;font-size:13px;color:var(--ink)}
.cp-todos li{padding-left:24px;position:relative;line-height:1.7}
.cp-todos li::before{content:"";position:absolute;left:2px;top:5px;width:12px;height:12px;
  border:1.5px solid var(--soft);border-radius:3.5px}
.cp-todos li.done::before{background:var(--moss);border-color:var(--moss)}
.cp-todos li.done::after{content:"";position:absolute;left:5px;top:8px;width:6px;height:3.5px;
  border-left:1.7px solid #fff;border-bottom:1.7px solid #fff;transform:rotate(-48deg)}
.cp-transcript{border-top:1px dashed var(--line);margin-top:14px;padding-top:10px}
.cp-toggle{font-size:12.5px;font-weight:600;color:var(--soft);margin:0 0 8px}
.cp-toggle span{font-family:var(--mono);font-size:10.5px;color:var(--faint);font-weight:400}
.tr-line{font-family:var(--mono);font-size:11px;line-height:1.7;color:var(--soft);margin:0}
.tr-line span{color:var(--faint)}
.arch-row{display:flex;align-items:baseline;gap:11px;padding:11px 20px;
  border-bottom:1px solid var(--line);font-size:13px}
.arch-row:last-of-type{border-bottom:none}
.ar-date{font-family:var(--mono);font-size:10.5px;color:var(--faint);flex:none}
.arch-row b{font-weight:600}
.lang-badge{font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:var(--moss);
  border:1px solid #C7D6CB;border-radius:3px;padding:1px 5px;flex:none}
.ar-sum{color:var(--soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arch-cap{font-family:var(--mono);font-size:11px;color:var(--faint);text-align:center;margin:14px 0 0}

/* ---------- languages ---------- */
.langs{background:#EFEADD;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:62px 0;text-align:center}
.langs-h{font-size:clamp(28px,3.6vw,38px)}
.langs .sub{margin:14px auto 10px;max-width:62ch}
.langs-note{font-size:14px;color:var(--faint);margin:0}

/* ---------- privacy ---------- */
.privacy{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:52px;
  align-items:center;padding-top:60px;padding-bottom:60px}
.pv-left{display:flex;gap:18px;align-items:flex-start}
.pv-lock{width:44px;height:44px;border-radius:10px;flex:none;display:flex;
  align-items:center;justify-content:center;background:var(--card);
  border:1px solid var(--line);color:var(--moss)}
.pv-lock .ic{width:19px;height:19px}
.pv-h{font-size:25px;margin:0 0 10px}
.pv-p{font-size:14.5px;line-height:1.6;color:var(--soft);margin:0 0 10px;max-width:44ch}
.pv-link{font-size:13.5px;color:var(--moss);text-decoration:underline;
  text-underline-offset:3px}
.pv-cost{font-size:13px;color:var(--soft);margin:10px 0 0}
.pipe{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);
  border:1px solid var(--line);border-radius:12px;background:var(--card);
  overflow:visible;box-shadow:0 24px 60px -32px rgba(31,29,24,.35)}
.pipe-zone{padding:22px 24px 20px;min-width:0}
.pipe-zone.cloud{position:relative;background:#F0F4EE;
  border-left:1px dashed #A9BCA9;border-radius:0 12px 12px 0}
.pipe-eyebrow{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--faint);margin:0 0 14px}
.pipe-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.pstep{display:flex;align-items:center;gap:8px;font-family:var(--mono);
  font-size:12.5px;color:var(--ink)}
.pstep .ic{width:16px;height:16px;color:var(--moss)}
.pstep small{display:block;font-size:9.5px;color:var(--faint);letter-spacing:.04em}
.arr{font-family:var(--mono);font-size:12px;color:#B7B0A0}
/* the pill sits on the dashed boundary: only text crosses the line */
.pipe-join{position:absolute;left:0;top:50%;transform:translate(-50%,-50%);
  font-family:var(--mono);font-size:12px;line-height:1;color:var(--moss);
  background:var(--card);border:1px solid #A9BCA9;border-radius:999px;
  padding:4px 9px 5px}

/* ---------- closing + footer ---------- */
.closing{border-top:1px solid var(--line);padding:64px 40px 70px;text-align:center}
.closing-h{font-size:clamp(24px,3vw,32px);margin:0 0 26px}
.center-cta{display:inline-block;text-align:center}
.center-cta .cta-row{justify-content:center;flex-wrap:nowrap}
.center-cta .inp{flex:0 1 300px}
.foot{border-top:1px solid var(--line);background:#EFEADD}
.foot-row{display:flex;justify-content:space-between;align-items:center;
  padding-top:22px;padding-bottom:26px;gap:12px;flex-wrap:wrap}
.foot-c{font-family:var(--mono);font-size:11.5px;color:var(--faint)}
.foot-links{display:flex;gap:22px}
.foot-links a{font-size:13px;color:var(--soft);text-decoration:none}
.foot-links a:hover{color:var(--ink)}

/* ---------- mobile ---------- */
@media (max-width:1020px){
  .hero{grid-template-columns:1fr;gap:44px;padding-bottom:56px}
  .hero-right{max-width:640px}
  .memory{grid-template-columns:1fr;gap:40px}
  .privacy{grid-template-columns:1fr;gap:32px}
}
@media (max-width:680px){
  .wrap{padding:0 20px}
  .nav-link{display:none}
  .nav{padding-top:18px;padding-bottom:16px}
  h1{font-size:34px}
  .step{grid-template-columns:84px minmax(0,1fr);gap:12px}
  .cards{grid-template-columns:1fr}
  /* phone demo: drop the laptop chrome, keep the call UI */
  .laptop{background:none;box-shadow:none;padding:0;border-radius:0}
  .screen{aspect-ratio:auto;background:none;padding:0;gap:10px;overflow:visible}
  .screen::after{display:none}
  .callbar{box-shadow:0 14px 34px -18px rgba(0,0,0,.6)}
  .panel{width:100%;margin:0}
  .rings{display:none}
  .metric{text-align:center;margin-top:10px}
  .video-frame{border-radius:10px}
  .during{padding:48px 0 54px}
  .memory{padding-top:52px;padding-bottom:52px}
  .ar-sum{white-space:normal}
  .arch-row{flex-wrap:wrap}
  .langs{padding:48px 0}
  .pv-left{flex-direction:column;gap:14px}
  .pipe{grid-template-columns:1fr}
  .pipe-zone.cloud{border-left:none;border-top:1px dashed #A9BCA9;
    border-radius:0 0 12px 12px}
  .pipe-join{left:50%;top:0;transform:translate(-50%,-50%) rotate(90deg)}
  /* narrow call bar: keep mic, camera and end-call only */
  .cb-acts .cb-btn:nth-child(3),.cb-acts .cb-btn:nth-child(4){display:none}
  .cb-title{white-space:nowrap}
  .closing{padding:48px 20px 54px}
  .inp,.center-cta .inp{max-width:none;flex:1 1 auto}
  .cta-row{flex-direction:column;align-items:stretch}
  .btn-lg{width:100%}
  .foot-row{justify-content:center;text-align:center}
}
@media (max-width:360px){
  .cb-title .ic{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .cur,.dot{animation:none}
  .btn{transition:none}
  .ans{transition:none}
}