:root{--oh-bg:#06141b;--oh-s1:#0d222c;--oh-s2:#12303d;--oh-ink:#e8f7fb;--oh-mute:#9fbcc6;--oh-a:#48dec8;--oh-b:#f15bb5;--oh-line:#1e4455;--oh-dim:#2f5666;--oh-fd:"Chango","Bai Jamjuree",sans-serif;--oh-fb:"Bai Jamjuree",system-ui,sans-serif;--oh-pad:max(18px,calc((100vw - 1180px)/2));--oh-r:16px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--oh-bg);color:var(--oh-ink);font-family:var(--oh-fb);font-size:16px;line-height:1.75;overflow-wrap:anywhere}
img,svg{max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--oh-a);outline-offset:3px;border-radius:4px}
.oh-skip{position:absolute;left:12px;top:0;transform:translateY(-220%);background:var(--oh-a);color:var(--oh-bg);padding:8px 14px;border-radius:8px;z-index:200;font-weight:700}
.oh-skip:focus{transform:translateY(8px)}

/* header */
.oh-top{position:sticky;top:0;z-index:60;background:rgba(6,20,27,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--oh-line)}
.oh-top-lift{box-shadow:0 8px 24px rgba(0,0,0,.4)}
.oh-top-in{display:flex;align-items:center;gap:18px;padding:0 var(--oh-pad);height:62px}
.oh-logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.oh-mark{display:block}
.oh-logo-t{font-family:var(--oh-fd);font-size:24px;letter-spacing:.02em;color:var(--oh-a);line-height:1}
.oh-nav{display:none;flex:1;min-width:0;gap:4px;justify-content:center}
.oh-nav-a{padding:8px 13px;border-radius:999px;text-decoration:none;font-weight:600;font-size:15px;color:var(--oh-mute);white-space:nowrap}
.oh-nav-a:hover{color:var(--oh-ink);background:var(--oh-s1)}
.oh-nav-a.oh-on{color:var(--oh-bg);background:var(--oh-a)}
.oh-top-cta{margin-left:auto;flex:none}
.oh-strip{display:flex;align-items:center;gap:12px;padding:0 var(--oh-pad);height:44px;border-top:1px solid #0f2b38;background:#08202a}
.oh-strip-l{flex:none;font-size:12.5px;color:var(--oh-mute);letter-spacing:.04em}
.oh-strip-r{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;min-width:0;padding:4px 0;align-items:center}
.oh-strip-r::-webkit-scrollbar{display:none}
.oh-chip{display:inline-grid;place-items:center;min-width:32px;height:32px;padding:0 6px;border-radius:8px;border:1px solid var(--oh-line);font-family:var(--oh-fd);font-size:13px;color:var(--oh-a);text-decoration:none;line-height:1;flex:none}
.oh-chip:hover,.oh-chip-on{background:var(--oh-a);color:var(--oh-bg);border-color:var(--oh-a)}

/* buttons */
.oh-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 20px;border-radius:12px;font-weight:700;font-size:15px;line-height:1.2;text-decoration:none;border:2px solid transparent;cursor:pointer;text-align:center;transition:transform .15s,background .15s}
.oh-btn-main{background:var(--oh-a);color:#042028;box-shadow:0 6px 0 #1d8f80}
.oh-btn-main:hover{transform:translateY(2px);box-shadow:0 4px 0 #1d8f80}
.oh-btn-ghost{border-color:var(--oh-a);color:var(--oh-a);background:transparent}
.oh-btn-ghost:hover{background:rgba(72,222,200,.12)}
.oh-btn-lg{min-height:52px;padding:0 26px;font-size:17px}
.oh-btn-block{display:flex;width:100%}
.oh-top-cta{min-height:38px;padding:0 14px;font-size:14px;box-shadow:0 4px 0 #1d8f80}

/* hero M-INDEX */
.oh-hero{position:relative;overflow:hidden;background:radial-gradient(900px 420px at 88% 0,rgba(72,222,200,.13),transparent 70%),radial-gradient(600px 320px at 0 100%,rgba(241,91,181,.1),transparent 70%)}
.oh-hero::before{content:"Z";position:absolute;right:-30px;bottom:-120px;font-family:var(--oh-fd);font-size:520px;line-height:1;color:var(--oh-a);opacity:.05;pointer-events:none}
.oh-hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;padding:56px var(--oh-pad) 52px;align-items:center}
.oh-eyebrow{display:inline-block;margin:0 0 16px;padding:5px 14px;border:1px solid var(--oh-b);border-radius:999px;color:var(--oh-b);font-size:14px;font-weight:600;letter-spacing:.02em}
.oh-h1{margin:0 0 14px;font-size:clamp(26px,3.5vw,42px);line-height:1.28;font-weight:700;letter-spacing:0}
.oh-h1-big{font-size:clamp(29px,4.4vw,54px);line-height:1.2}
.oh-lead{margin:0 0 22px;font-size:18px;color:#cfe6ec;max-width:640px}
.oh-hero-act{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.oh-note{display:block;font-size:13.5px;color:var(--oh-mute);line-height:1.6}
.oh-board{background:var(--oh-s1);border:1px solid var(--oh-line);border-radius:22px;padding:18px;box-shadow:0 22px 50px rgba(0,0,0,.35)}
.oh-board-t{display:flex;justify-content:space-between;gap:10px;margin:0 0 12px;font-size:12.5px;color:var(--oh-mute);letter-spacing:.03em}
.oh-board-g{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}
.oh-tile{display:grid;place-items:center;aspect-ratio:1;border-radius:12px;border:1px dashed #1a3b49;color:var(--oh-dim);text-decoration:none;font-family:var(--oh-fd);font-size:clamp(17px,2.2vw,24px);line-height:1;position:relative}
.oh-tile b{font-weight:400}
.oh-tile-on{background:var(--oh-s2);border:1px solid var(--oh-a);color:var(--oh-a)}
.oh-tile-on::after{content:"";position:absolute;top:5px;right:5px;width:6px;height:6px;border-radius:50%;background:var(--oh-b)}
.oh-tile-on:hover{background:var(--oh-a);color:var(--oh-bg)}
.oh-tile-sym{border-color:var(--oh-b);color:var(--oh-b)}
.oh-tile-fold{border:0;background:linear-gradient(135deg,var(--oh-a) 0 50%,var(--oh-b) 50% 100%);opacity:.8;clip-path:polygon(0 0,100% 0,38% 100%,100% 100%,100% 100%,0 100%,62% 0)}
.oh-tile-fold i{display:block}

/* main & sections */
.oh-main{counter-reset:ohsec}
.oh-main>*{padding-inline:var(--oh-pad)}
.oh-main>section,.oh-main>div{padding-block:44px}
.oh-sec-h{max-width:760px;margin-bottom:26px}
.oh-sec-h h2,.oh-faq h2{margin:0 0 8px;font-size:clamp(24px,2.8vw,32px);line-height:1.3}
.oh-sec-h p{margin:0;color:var(--oh-mute)}
.oh-index{border-bottom:1px solid var(--oh-line)}
.oh-ledger{display:grid;gap:0}
.oh-grp{display:grid;grid-template-columns:92px minmax(0,1fr);gap:18px;padding:18px 0;border-top:1px dashed var(--oh-line)}
.oh-glyph{position:sticky;top:116px;align-self:start;font-family:var(--oh-fd);font-size:60px;line-height:1;color:var(--oh-a);text-shadow:3px 3px 0 var(--oh-b)}
.oh-rows{list-style:none;margin:0;padding:0;display:grid;gap:0}
.oh-row{display:grid;grid-template-columns:68px minmax(0,1fr);gap:18px;align-items:center;padding:12px 0;border-bottom:1px solid #112c39}
.oh-row:last-child{border-bottom:0}
.oh-row-i{width:68px;height:68px;border-radius:14px;object-fit:cover;background:var(--oh-s2);display:block}
.oh-row-b{display:grid;grid-template-columns:minmax(150px,230px) minmax(0,1fr);gap:4px 22px;align-items:baseline}
.oh-row-b h3{margin:0;font-size:19px;line-height:1.35;color:var(--oh-ink)}
.oh-row-b p{margin:0;color:var(--oh-mute);font-size:15px;line-height:1.65}

/* prose */
.oh-prose{max-width:760px}
.oh-prose-c{margin-inline:auto;text-align:left}
.oh-prose p,.oh-prose li{font-size:17px;line-height:1.9;color:#d6eaf0}
.oh-prose p{margin:0 0 16px}
.oh-sec{margin-bottom:12px}
.oh-sec h2{counter-increment:ohsec;margin:30px 0 14px;font-size:clamp(22px,2.6vw,29px);line-height:1.35;display:flex;gap:14px;align-items:baseline}
.oh-sec h2::before{content:counter(ohsec,decimal-leading-zero);font-family:var(--oh-fd);font-size:.62em;color:var(--oh-b);flex:none}
.oh-sec h3{margin:22px 0 8px;font-size:20px;color:var(--oh-a)}
.oh-prose ul,.oh-prose ol{margin:0 0 18px;padding-left:1.4em}
.oh-prose li{margin-bottom:6px}
.oh-prose li::marker{color:var(--oh-a)}
.oh-prose strong{color:#fff;font-weight:700}
.oh-prose table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:15.5px;display:block;overflow-x:auto}
.oh-prose th,.oh-prose td{padding:10px 14px;border:1px solid var(--oh-line);text-align:left;vertical-align:top;line-height:1.6}
.oh-prose th{background:var(--oh-s2);color:var(--oh-a)}
.oh-lnk{color:var(--oh-a);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px}
.oh-lnk:hover{color:var(--oh-b)}
.oh-ext{text-decoration-style:dashed}
.oh-pause{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin:22px 0;padding:16px 20px;background:var(--oh-s1);border-left:4px solid var(--oh-b);border-radius:0 14px 14px 0}
.oh-pause p{margin:0;font-size:15px;color:var(--oh-mute);flex:1 1 280px;line-height:1.7}
.oh-longform{background:linear-gradient(180deg,transparent,rgba(13,34,44,.55))}
.oh-demo{background:var(--oh-s1);border-block:1px solid var(--oh-line)}
.oh-live{background:linear-gradient(135deg,#0a1d29,#14192e)}

/* shelf / figure */
.oh-shelf{padding-block:28px}
.oh-shelf-t{margin:0 0 14px;font-size:14px;color:var(--oh-b);font-weight:700;letter-spacing:.04em}
.oh-shelf-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,200px));gap:16px}
.oh-shot{margin:0;background:var(--oh-s2);border-radius:14px;overflow:hidden;border:1px solid var(--oh-line)}
.oh-shot img{display:block;width:100%;height:auto}
.oh-shot figcaption{padding:10px 12px 12px;font-size:14px;font-weight:600;line-height:1.4}
.oh-shot small{display:block;margin-top:2px;color:var(--oh-b);font-size:12.5px;font-weight:600}

/* inner band */
.oh-band{position:relative;overflow:hidden;border-bottom:1px solid var(--oh-line);background:linear-gradient(120deg,#0b1f2a,#06141b 60%)}
.oh-band-in{position:relative;z-index:1;padding:34px var(--oh-pad) 38px}
.oh-band-z{position:absolute;right:calc(var(--oh-pad) - 10px);top:-40px;font-family:var(--oh-fd);font-size:300px;line-height:1;color:var(--oh-b);opacity:.09;pointer-events:none}
.oh-crumb ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0 0 16px;padding:0;font-size:14px;color:var(--oh-mute)}
.oh-crumb li+li::before{content:"/";margin-right:6px;color:var(--oh-dim)}
.oh-crumb a{color:var(--oh-a);text-decoration:none;display:inline-block;padding:7px 0;line-height:1.3}
.oh-folio{display:inline-block;margin:0 0 12px;padding:3px 12px;border:1px solid var(--oh-a);border-radius:6px;color:var(--oh-a);font-size:13px;font-weight:600}
.oh-band .oh-lead{max-width:720px}
.oh-band-act{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.oh-band-act .oh-note{max-width:320px}
.oh-cols{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;align-items:start}
.oh-side{background:var(--oh-s1);border:1px solid var(--oh-line);border-radius:18px;padding:20px}
.oh-side-t{margin:0 0 8px;font-family:var(--oh-fd);font-size:17px;color:var(--oh-b)}
.oh-side-p{margin:0 0 16px;font-size:15px;color:var(--oh-mute);line-height:1.7}

/* faq */
.oh-faq{max-width:900px}
.oh-faq h2{margin-bottom:18px}
.oh-qa{border:1px solid var(--oh-line);border-radius:14px;margin-bottom:10px;background:var(--oh-bg)}
.oh-qa summary{list-style:none;cursor:pointer;padding:15px 52px 15px 18px;font-weight:600;font-size:17px;line-height:1.5;position:relative}
.oh-qa summary::-webkit-details-marker{display:none}
.oh-qa summary::after{content:"+";position:absolute;right:18px;top:50%;margin-top:-14px;width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:var(--oh-s2);color:var(--oh-a);font-weight:700;line-height:1}
.oh-qa[open]{background:var(--oh-s1);border-color:var(--oh-a)}
.oh-qa[open] summary::after{content:"-";background:var(--oh-a);color:var(--oh-bg)}
.oh-qa-a{padding:0 18px 6px}
.oh-qa-a p{margin:0 0 12px;color:#cfe6ec;font-size:16.5px;line-height:1.85}

/* closer */
.oh-closer{text-align:center;background:linear-gradient(135deg,rgba(72,222,200,.14),rgba(241,91,181,.14));border-top:1px solid var(--oh-line);padding-block:54px!important}
.oh-closer-t{max-width:640px;margin:0 auto 22px;font-size:20px;line-height:1.7;font-weight:600}
.oh-closer .oh-prose{margin-inline:auto;margin-bottom:26px}

/* footer */
.oh-foot{background:#040e14;border-top:1px solid var(--oh-line);margin-top:0;padding:44px var(--oh-pad) 28px}
.oh-foot-in{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.oh-fh{margin:0 0 10px;font-family:var(--oh-fd);font-size:15px;color:var(--oh-b);letter-spacing:.02em}
.oh-foot-l{list-style:none;margin:0;padding:0;display:grid;gap:0}
.oh-foot-l a{display:block;padding:6px 0;color:var(--oh-mute);text-decoration:none;font-size:15px;line-height:1.4}
.oh-foot-l a:hover{color:var(--oh-a)}
.oh-foot-idx{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:28px 0 20px;padding:16px 0;border-block:1px dashed var(--oh-line)}
.oh-foot-idx-l{font-size:13px;color:var(--oh-mute)}
.oh-foot-chips{display:flex;flex-wrap:wrap;gap:6px}
.oh-foot-end{display:flex;gap:14px;align-items:flex-start}
.oh-age{flex:none;display:grid;place-items:center;width:42px;height:42px;border-radius:50%;border:2px solid var(--oh-b);color:var(--oh-b);font-weight:700;font-size:14px}
.oh-legal{margin:0;font-size:13.5px;color:var(--oh-mute);line-height:1.7;max-width:760px}

/* 404 */
.oh-lost-in{padding-block:70px!important;max-width:760px}

/* mobile dock + sheet */
.oh-dock{display:none}
.oh-scrim{position:fixed;inset:0;background:rgba(2,8,12,.62);opacity:0;visibility:hidden;transition:opacity .25s;z-index:88}
.oh-sheet{position:fixed;left:0;right:0;bottom:0;z-index:95;max-height:82vh;overflow-y:auto;padding:16px 18px calc(22px + env(safe-area-inset-bottom));background:var(--oh-s1);border-radius:22px 22px 0 0;border-top:2px solid var(--oh-a);transform:translateY(105%);visibility:hidden;transition:transform .3s,visibility .3s}
.oh-sheet-on .oh-scrim{opacity:1;visibility:visible}
.oh-sheet-on .oh-sheet{transform:none;visibility:visible}
.oh-sheet-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.oh-sheet-t{font-family:var(--oh-fd);font-size:16px;color:var(--oh-a)}
.oh-sheet-x{min-height:36px;padding:0 16px;border-radius:10px;border:1px solid var(--oh-line);background:var(--oh-bg);cursor:pointer;font-weight:600}
.oh-sheet-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px;margin-bottom:16px}
.oh-sheet-h{margin:0 0 6px;font-size:12.5px;color:var(--oh-b);font-weight:700;letter-spacing:.04em}
.oh-sheet-a{display:block;padding:7px 0;color:var(--oh-ink);text-decoration:none;font-size:15px;line-height:1.4;border-bottom:1px solid #153545}
.oh-sheet-cta{display:flex;width:100%}

@media (min-width:960px){
.oh-nav{display:flex}
.oh-cols{grid-template-columns:minmax(0,1fr) 300px}
.oh-side{position:sticky;top:122px}
}
@media (max-width:959px){
.oh-hero-in{grid-template-columns:minmax(0,1fr);gap:30px;padding-top:34px;padding-bottom:36px}
.oh-top-in{height:56px;gap:10px}
.oh-logo-t{font-size:21px}
.oh-strip-l{display:none}
.oh-foot-in{grid-template-columns:repeat(2,minmax(0,1fr))}
.oh-dock{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;z-index:80;background:#08202a;border-top:1px solid var(--oh-line);padding-bottom:env(safe-area-inset-bottom)}
.oh-dock-i{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:60px;padding:8px 2px;border:0;background:transparent;color:var(--oh-mute);text-decoration:none;font-size:12.5px;line-height:1.2;cursor:pointer;position:relative}
.oh-dock-i .oh-ic{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.oh-dock-i.oh-on{color:var(--oh-a)}
.oh-dock-i.oh-on::before{content:"";position:absolute;top:0;left:28%;right:28%;height:3px;border-radius:0 0 4px 4px;background:var(--oh-a)}
body{padding-bottom:70px}
.oh-glyph{font-size:44px}
.oh-grp{grid-template-columns:54px minmax(0,1fr);gap:12px}
.oh-row{grid-template-columns:56px minmax(0,1fr);gap:14px}
.oh-row-i{width:56px;height:56px}
.oh-row-b{grid-template-columns:minmax(0,1fr)}
.oh-band-z{font-size:200px;top:-20px}
.oh-hero::before{font-size:340px;bottom:-60px}
}
@media (max-width:520px){
.oh-main>section,.oh-main>div{padding-block:32px}
.oh-top-cta{padding:0 12px;font-size:13.5px}
.oh-lead{font-size:16.5px}
.oh-prose p,.oh-prose li{font-size:16.5px}
.oh-board{padding:14px}
.oh-board-g{gap:6px}
.oh-btn-lg{width:100%}
.oh-hero-act{flex-direction:column}
.oh-shelf-g{grid-template-columns:repeat(2,minmax(0,1fr))}
.oh-foot-in{grid-template-columns:minmax(0,1fr)}
.oh-sheet-grid{grid-template-columns:minmax(0,1fr)}
.oh-closer-t{font-size:18px}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
.oh-btn,.oh-sheet,.oh-scrim{transition:none}
}
.oh-foot-c{min-width:0}
.oh-hero-l{min-width:0}
.oh-lost{min-height:46vh}
.oh-sheet-c{min-width:0}

.oh-h1{text-wrap:balance}
.oh-lf-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:start}
.oh-margin{background:var(--oh-s1);border:1px solid var(--oh-line);border-top:4px solid var(--oh-b);border-radius:14px;padding:18px 20px}
.oh-margin-t{margin:0 0 10px;font-family:var(--oh-fd);font-size:16px;color:var(--oh-b)}
.oh-margin-l{margin:0;padding-left:1.3em;font-size:15px;line-height:1.7;color:var(--oh-mute)}
.oh-margin-l li{margin-bottom:8px}
@media (min-width:1000px){.oh-lf-grid{grid-template-columns:minmax(0,760px) 300px;justify-content:space-between}.oh-margin{position:sticky;top:124px}}