/* Oxin TC — main stylesheet (RTL). Tokens first; every component reads them. */
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Bold.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-ExtraBold.woff2) format("woff2");font-weight:800;font-display:swap}

:root{
  --ink:#121031;--ink2:#2e2d4f;--body:#5a5b75;--muted:#8a8ca3;
  --teal:#0ea5b7;--teal-d:#0b7f8e;--teal-t:#e6f7fa;
  --orange:#ff7803;--orange-d:#e86a00;--orange-t:#fff1e4;
  --violet:#6236ff;--violet-t:#efeaff;
  --bg:#fff;--bg2:#f6f7fd;--bg3:#eef1fb;--line:#e6e8f2;
  --r:18px;--r-sm:12px;--wrap:1200px;
  --sh:0 1px 2px rgba(18,16,49,.04),0 14px 34px -18px rgba(18,16,49,.18);
  --sh-lg:0 30px 60px -30px rgba(18,16,49,.35);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:Vazirmatn,Tahoma,system-ui,sans-serif;font-size:16px;line-height:1.9;color:var(--body);background:var(--bg);direction:rtl;text-align:right;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto}
a{color:var(--teal-d);text-decoration:none}
a:hover{color:var(--orange-d)}
h1,h2,h3,h4{color:var(--ink);line-height:1.45;margin:0 0 .5em;font-weight:800}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:6px}
.ltr{direction:ltr;unicode-bidi:isolate;display:inline-block}
.otc-wrap{width:min(var(--wrap),100% - 32px);margin-inline:auto}
.otc-skip{position:absolute;top:8px;inset-inline-start:8px;z-index:200;background:var(--ink);color:#fff!important;padding:8px 14px;border-radius:8px;clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}
.otc-skip:focus{clip-path:none;width:auto;height:auto}
html,body{overflow-x:clip}
.ic{width:1.1em;height:1.1em;flex:none;vertical-align:-.15em}

/* buttons */
.otc-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:12px;border:2px solid var(--orange);
  background:var(--orange);color:#fff!important;font-weight:700;font-size:15px;line-height:1;cursor:pointer;transition:transform .15s var(--ease),box-shadow .2s,background .2s;
  box-shadow:0 10px 22px -12px rgba(255,120,3,.8)}
.otc-btn:hover{background:var(--orange-d);border-color:var(--orange-d);transform:translateY(-1px)}
.otc-btn.sm{min-height:38px;padding:0 16px;font-size:14px}
.otc-btn.lg{min-height:54px;padding:0 28px;font-size:16px}
.otc-btn.ghost{background:#fff;color:var(--ink)!important;border-color:var(--line);box-shadow:none}
.otc-btn.ghost:hover{border-color:var(--ink);background:#fff}
.otc-btn.ghost-light{background:transparent;border-color:rgba(255,255,255,.55);box-shadow:none}
.otc-btn.ghost-light:hover{background:rgba(255,255,255,.12)}
.otc-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--orange-d)}
.otc-more .ic{transition:transform .2s var(--ease)}
.otc-more:hover .ic,a:hover .otc-more .ic{transform:translateX(-4px)}
.otc-kicker{display:inline-block;font-size:13px;font-weight:800;color:var(--teal-d);background:var(--teal-t);padding:4px 12px;border-radius:99px;margin-bottom:10px}
.otc-sec-head{max-width:720px;margin-bottom:40px}
.otc-sec-head.center{margin-inline:auto;text-align:center}
.otc-sec-head h2{font-size:clamp(26px,3.2vw,38px)}
.otc-sec-head p{font-size:17px}

/* announcement */
.otc-announce{background:linear-gradient(90deg,#4b2bd6,var(--violet) 40%,#0ea5b7);color:#fff;font-size:14px}
.otc-announce .otc-wrap{display:flex;align-items:center;justify-content:center;gap:12px;min-height:42px;flex-wrap:wrap;padding:6px 0;text-align:center}
.otc-announce .badge{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);border-radius:99px;padding:1px 10px;font-weight:800;font-size:12px}
.otc-announce a{color:#fff;font-weight:800;display:inline-flex;align-items:center;gap:4px;border-bottom:1px dashed rgba(255,255,255,.6)}

/* header */
.otc-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.otc-header.scrolled{border-color:var(--line);box-shadow:0 8px 24px -18px rgba(18,16,49,.35)}
.otc-header-in{display:flex;align-items:center;gap:24px;min-height:76px}
.otc-logo{display:flex;align-items:center;gap:10px;color:var(--ink)!important;flex:none}
.otc-logo img{width:64px;height:auto}
.otc-logo span{display:grid;line-height:1.25}
.otc-logo b{font-size:19px;font-weight:800}
.otc-logo small{font-size:11.5px;color:var(--muted)}
.otc-logo.light{color:#fff!important}
.otc-logo.light small{color:#9aa0c3}
.otc-logo.light img{background:#fff;border-radius:12px;padding:4px}
.otc-nav{flex:1}
.otc-nav>ul{list-style:none;margin:0;padding:0;display:flex;justify-content:center;gap:4px}
.otc-nav>ul>li>a,.otc-nav-btn{display:inline-flex;align-items:center;gap:4px;padding:10px 14px;border-radius:10px;color:var(--ink2);font:600 15px/1 Vazirmatn,Tahoma,sans-serif;background:none;border:0;cursor:pointer}
.otc-nav>ul>li>a:hover,.otc-nav-btn:hover,.otc-nav-btn[aria-expanded="true"]{background:var(--bg2);color:var(--ink)}
.otc-nav-btn .ic{transition:transform .2s}
.otc-nav-btn[aria-expanded="true"] .ic{transform:rotate(180deg)}
.otc-mega{position:absolute;inset-inline:0;top:100%;background:#fff;border-top:1px solid var(--line);box-shadow:0 30px 60px -30px rgba(18,16,49,.35);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s var(--ease),visibility .18s}
.has-mega.open .otc-mega{opacity:1;visibility:visible;transform:none}
.otc-mega-in{display:grid;grid-template-columns:1fr 1fr 300px;gap:32px;padding:28px 0 32px}
.otc-mega-col h3{font-size:15px;margin:0 0 2px}
.otc-mega-col>p{font-size:13px;color:var(--muted);margin:0 0 12px}
.otc-mega-col ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.otc-mega-col a{display:grid;grid-template-columns:14px 1fr;gap:0 10px;padding:10px 12px;border-radius:12px;color:var(--ink)!important;transition:background .15s}
.otc-mega-col a:hover{background:var(--bg2)}
.otc-mega-col .dot,.otc-drawer .dot{width:10px;height:10px;border-radius:3px;background:var(--c);margin-top:8px;grid-row:span 2;box-shadow:0 0 0 4px color-mix(in srgb,var(--c) 18%,transparent)}
.otc-mega-col b{font-size:14.5px}
.otc-mega-col small{font-size:12.5px;color:var(--muted);line-height:1.6}
.otc-mega-cta{background:linear-gradient(160deg,var(--teal-t),#f3efff);border-radius:var(--r);padding:18px;display:grid;gap:6px;align-content:start}
.otc-mega-cta .otc-iso{height:110px;justify-self:center}
.otc-mega-cta b{color:var(--ink)}
.otc-mega-cta p{font-size:13px;margin:0 0 6px}
.otc-header-cta{display:flex;align-items:center;gap:12px}
.otc-link-acc{display:inline-flex;align-items:center;gap:6px;color:var(--ink2)!important;font-weight:600;font-size:14.5px}
.otc-burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
.otc-burger .ic{width:22px;height:22px}
.otc-drawer{position:fixed;inset:0;z-index:150;background:rgba(18,16,49,.45);display:flex;justify-content:flex-start}
.otc-drawer[hidden]{display:none}
.otc-drawer-in{width:min(380px,92vw);height:100%;overflow:auto;background:#fff;padding:16px;animation:otcIn .25s var(--ease)}
.otc-drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.otc-drawer-x{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer}
.otc-drawer details{border-bottom:1px solid var(--line);padding:8px 0}
.otc-drawer summary{font-weight:800;color:var(--ink);cursor:pointer;padding:6px 0}
.otc-drawer ul{list-style:none;margin:0;padding:0}
.otc-drawer li a{display:flex;align-items:center;gap:10px;padding:10px 4px;color:var(--ink2)!important;font-weight:600;min-height:44px}
.otc-drawer .dot{margin:0}
.otc-drawer-links{margin-top:6px!important}
.otc-drawer-cta{display:grid;gap:8px;margin-top:16px}
.otc-tel{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--ink)!important;direction:rtl}
.otc-num{direction:ltr;unicode-bidi:isolate}
@keyframes otcIn{from{transform:translateX(30px);opacity:0}to{transform:none;opacity:1}}

/* hero */
.otc-hero{position:relative;overflow:hidden;padding:56px 0 20px;background:
  radial-gradient(60% 50% at 80% 10%,rgba(14,165,183,.12),transparent 70%),
  radial-gradient(50% 40% at 10% 30%,rgba(98,54,255,.10),transparent 70%),var(--bg)}
.otc-hero-in{text-align:center;display:grid;justify-items:center}
.otc-pill{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 14px;font-size:14px;font-weight:600;color:var(--ink2);box-shadow:var(--sh)}
.otc-pill .live{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.2);animation:otcPulse 1.8s infinite}
.otc-hero h1{font-size:clamp(30px,5vw,56px);max-width:900px;margin:18px 0 14px;letter-spacing:-.5px}
.otc-hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--teal),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.otc-hero .lead{font-size:clamp(16px,1.6vw,19px);max-width:720px}
.otc-hero-cta{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin:10px 0 18px}
.otc-hero-art{width:min(980px,100%);margin-top:6px}
.otc-hero-art .otc-iso{width:100%}
@keyframes otcPulse{50%{box-shadow:0 0 0 8px rgba(34,197,94,0)}}

/* iso animations — only while the drawing is on screen (main.js toggles .vis) */
.otc-iso *{animation-play-state:paused}
.otc-iso.vis *{animation-play-state:running}
.otc-iso{overflow:visible}
.otc-wave{animation:otcWave 2.4s ease-in-out infinite;animation-delay:calc(var(--i) * .25s)}
@keyframes otcWave{0%,100%{opacity:.15}50%{opacity:1}}
.otc-flow{animation:otcFlow 1.4s linear infinite}
.otc-flow.rev{animation-direction:reverse}
@keyframes otcFlow{to{stroke-dashoffset:-22}}
.otc-blink{animation:otcBlink 1.6s steps(2) infinite}
@keyframes otcBlink{50%{opacity:.2}}

/* trust */
.otc-trust{padding:34px 0 44px;border-bottom:1px solid var(--line)}
.otc-trust-title{text-align:center;font-size:15px;color:var(--muted);font-weight:700;margin-bottom:20px}
.otc-logos{display:flex;flex-wrap:wrap;gap:28px 46px;justify-content:center;align-items:center}
.otc-logos img{height:46px;width:auto;filter:grayscale(1);opacity:.7;transition:filter .2s,opacity .2s}
.otc-logos img:hover{filter:none;opacity:1}

/* why */
.otc-why{padding:90px 0}
.otc-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.otc-why-card{background:linear-gradient(160deg,#fff,var(--bg2));border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--sh)}
.otc-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.otc-stats>div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 18px;text-align:center;transition:transform .2s var(--ease),box-shadow .2s}
.otc-stats>div:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.otc-stats b{display:block;font-size:34px;color:var(--ink);line-height:1.2}
.otc-stats b small{font-size:15px}
.otc-stats span{font-size:14px}
.otc-why-text h2{font-size:clamp(26px,3vw,36px)}
.otc-checks{list-style:none;margin:16px 0 20px;padding:0;display:grid;gap:10px}
.otc-checks li{display:flex;gap:10px;align-items:flex-start}
.otc-checks .ic{color:var(--teal);margin-top:6px;width:20px;height:20px}
.otc-checks b{color:var(--ink);white-space:nowrap}

/* services: tabs + road */
.otc-services{padding:90px 0;background:linear-gradient(180deg,var(--bg2),#fff 60%);border-radius:48px 48px 0 0}
.otc-tabs{display:flex;justify-content:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px;width:max-content;max-width:100%;margin:0 auto 46px;box-shadow:var(--sh);overflow-x:auto}
.otc-tabs button{border:0;background:transparent;border-radius:99px;padding:10px 22px;font:700 15px/1.2 Vazirmatn,Tahoma,sans-serif;color:var(--body);cursor:pointer;white-space:nowrap;min-height:44px}
.otc-tabs button.on{background:var(--ink);color:#fff}
.otc-road{position:relative;display:grid;gap:0}
.otc-road-svg{position:absolute;left:50%;top:0;width:200px;height:100%;transform:translateX(-50%);overflow:visible}
.otc-road-svg .asphalt{fill:none;stroke:#e3e8f3;stroke-width:52;stroke-linecap:round}
.otc-road-svg .edge{fill:none;stroke:#fff;stroke-width:44;stroke-linecap:round}
.otc-road-svg .asphalt+.edge{stroke:#d6ddeb;stroke-width:46}
.otc-road-svg .lane{fill:none;stroke:#fff;stroke-width:3;stroke-dasharray:14 16;stroke-linecap:round}
.otc-station{position:relative;display:grid;grid-template-columns:1fr 200px 1fr;align-items:center;min-height:320px}
.otc-station-art{grid-column:1;display:grid;justify-items:center}
.otc-station-art .otc-iso{width:min(300px,100%);transition:transform .4s var(--ease)}
.otc-station:hover .otc-station-art .otc-iso{transform:translateY(-6px)}
.otc-station-text{grid-column:3;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;box-shadow:var(--sh);position:relative}
.otc-station.odd .otc-station-art{grid-column:3;grid-row:1}
.otc-station.odd .otc-station-text{grid-column:1;grid-row:1}
.otc-station-text h3{font-size:22px;margin:4px 0 2px}
.otc-station-text .short{color:var(--c);font-weight:700;font-size:14.5px;margin-bottom:8px}
.otc-step{font:800 13px/1 ui-monospace,monospace;color:var(--c,var(--teal));background:color-mix(in srgb,var(--c,var(--teal)) 12%,#fff);padding:5px 8px;border-radius:8px}
.otc-marker{position:absolute;left:calc(50% + var(--mx,0px));top:50%;transform:translate(-50%,-50%) rotate(45deg);width:30px;height:30px;border-radius:8px;background:#fff;
  border:4px solid var(--c);box-shadow:0 8px 20px -8px var(--c);z-index:2;display:grid;place-items:center}
.otc-marker i{width:8px;height:8px;border-radius:2px;background:var(--c)}

/* offer cards */
.otc-offer{padding:90px 0}
.otc-offer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.otc-offer-grid article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .25s var(--ease),box-shadow .25s}
.otc-offer-grid article:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.otc-offer-grid .otc-iso{height:170px;width:100%;margin-bottom:12px}
.otc-offer-grid h3{font-size:20px}
.otc-offer-grid p{flex:1}

/* quote */
.otc-quote{padding:80px 0;background:var(--bg2)}
.otc-quote-in{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:28px;padding:40px;box-shadow:var(--sh)}
.otc-quote .q{width:46px;height:46px;color:var(--orange);opacity:.85}
.otc-quote h2{font-size:24px;margin-top:6px}
.otc-quote blockquote{margin:0 0 20px;font-size:17.5px;line-height:2.1;color:var(--ink2)}
.otc-quote .who{display:flex;align-items:center;gap:12px}
.otc-quote .av{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--teal),var(--violet))}
.otc-quote .who b{display:block;color:var(--ink)}
.otc-quote .who small{color:var(--muted)}
.otc-quote-art .otc-iso{width:100%;max-height:300px}

/* sectors */
.otc-sectors{padding:90px 0}
.otc-sector-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.otc-sector-grid article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.otc-sector-grid article:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:transparent}
.otc-sector-grid .art{height:140px;display:grid;place-items:center;background:var(--bg2);border-radius:16px;margin-bottom:14px}
.otc-sector-grid .art .otc-iso{height:120px}
.otc-sector-grid h3{font-size:18px}
.otc-sector-grid p{font-size:15px;margin:0}
.otc-sector-cta{background:linear-gradient(150deg,var(--ink),#2b1d7a)!important;color:#cfd2ec;display:flex;flex-direction:column;justify-content:center;gap:8px}
.otc-sector-cta h3{color:#fff}
.otc-sector-cta .otc-btn{align-self:flex-start;margin-top:8px}

/* knowledge */
.otc-kb{padding:80px 0}
.otc-kb-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
.otc-kb-head .otc-sec-head{margin:0}
.otc-post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.otc-post a{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;color:inherit!important;transition:transform .25s var(--ease),box-shadow .25s}
.otc-post a:hover{transform:translateY(-5px);box-shadow:var(--sh-lg)}
.otc-post-img{aspect-ratio:16/9;background:var(--bg2);display:grid;place-items:center;overflow:hidden}
.otc-post-img img{width:100%;height:100%;object-fit:cover}
.otc-post-img .otc-iso{height:80%}
.otc-post-body{padding:18px 20px;display:flex;flex-direction:column;flex:1}
.otc-post-body time{font-size:13px;color:var(--muted)}
.otc-post-body h3{font-size:18px;margin:6px 0}
.otc-post-body p{font-size:15px;flex:1}
.otc-pager{display:flex;justify-content:center;gap:6px;margin-top:30px}
.otc-pager .page-numbers{min-width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:0 10px}
.otc-pager .current{background:var(--ink);color:#fff;border-color:var(--ink)}
.otc-empty{text-align:center;padding:40px;color:var(--muted)}

/* CTA band + footer */
.otc-cta-band{padding:0 0 80px}
.otc-cta-in{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;border-radius:28px;padding:44px 48px;color:#d9dcf2;
  background:radial-gradient(60% 120% at 0% 0%,rgba(14,165,183,.45),transparent 60%),linear-gradient(120deg,#121031,#2b1d7a);box-shadow:var(--sh-lg)}
.otc-cta-in h2{color:#fff;font-size:clamp(22px,2.6vw,32px)}
.otc-cta-in p{margin:0;max-width:560px}
.otc-cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.otc-footer{background:#0d0b2a;color:#a6a9c8;padding:64px 0 0;font-size:15px}
.otc-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.otc-footer h3{color:#fff;font-size:16px;margin-bottom:14px}
.otc-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.otc-footer a{color:#c7c9e2}
.otc-footer a:hover{color:#fff}
.otc-footer-brand p{margin:14px 0}
.otc-footer .otc-tel{color:#fff!important;font-size:18px}
.otc-addr{display:flex;gap:8px;align-items:flex-start;margin-top:8px}
.otc-footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding:20px 0;font-size:13.5px}

/* inner pages */
.otc-page-hero{position:relative;overflow:hidden;padding:56px 0 50px;background:
  radial-gradient(50% 60% at 85% 0%,color-mix(in srgb,var(--c,var(--teal)) 16%,transparent),transparent 70%),linear-gradient(180deg,var(--bg2),#fff)}
.otc-page-hero.sm{padding:44px 0 30px}
.otc-page-hero-in{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.otc-page-hero h1{font-size:clamp(30px,4.2vw,48px);margin:8px 0}
.otc-page-hero .short{color:var(--c,var(--teal));font-weight:800;font-size:18px}
.otc-page-hero .lead{font-size:17px;max-width:620px}
.otc-page-hero .otc-hero-cta{justify-content:flex-start}
.otc-page-hero .meta{display:flex;align-items:center;gap:6px;color:var(--muted)}
.otc-page-art .otc-iso{width:100%;max-height:380px}
.otc-crumb{display:flex;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.otc-crumb a{color:var(--body)}
.otc-crumb b{color:var(--ink)}
.otc-points{padding:0 0 30px}
.otc-points ul{list-style:none;margin:0;padding:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:10px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh)}
.otc-points li{display:flex;gap:8px;align-items:center;font-weight:700;color:var(--ink2);font-size:15px}
.otc-points .ic{color:var(--teal);width:22px;height:22px}
.otc-blocks{padding:70px 0}
.otc-block-list{display:grid;gap:26px}
.otc-block{display:grid;grid-template-columns:1fr 1.2fr;gap:36px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:26px;padding:26px 34px;box-shadow:var(--sh)}
.otc-block.flip .art{order:2}
.otc-block .art{background:linear-gradient(160deg,color-mix(in srgb,var(--c) 10%,#fff),var(--bg2));border-radius:20px;display:grid;place-items:center;min-height:220px}
.otc-block .art .otc-iso{height:200px}
.otc-block h3{font-size:22px;margin-top:8px}
.otc-block p{font-size:16.5px;margin:0}
.otc-extra{text-align:center;margin-top:26px}
.otc-related{padding:20px 0 80px}
.otc-rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.otc-rel{display:grid;grid-template-columns:96px 1fr;grid-template-rows:auto auto;gap:0 14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;color:inherit!important;transition:transform .2s var(--ease),box-shadow .2s,border-color .2s}
.otc-rel:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:var(--c)}
.otc-rel .art{grid-row:span 2;background:var(--bg2);border-radius:14px;height:80px;display:grid;place-items:center}
.otc-rel .art .otc-iso{height:70px}
.otc-rel b{color:var(--ink);align-self:end}
.otc-rel small{font-size:13px;color:var(--muted);align-self:start;line-height:1.6}
.otc-contact{padding:60px 0 80px}
.otc-contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:70px}
.otc-ccard{display:grid;gap:4px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--sh);color:inherit!important;transition:transform .2s var(--ease)}
a.otc-ccard:hover{transform:translateY(-4px)}
.otc-ccard .i{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--orange-t);color:var(--orange-d);margin-bottom:8px}
.otc-ccard .i .ic{width:24px;height:24px}
.otc-ccard b{color:var(--ink);font-size:17px}
.otc-ccard .v{font-size:19px;font-weight:800;color:var(--ink2)}
.otc-ccard small{color:var(--muted)}
.otc-dept-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.otc-dept{background:var(--bg2);border-radius:18px;padding:18px}
.otc-dept b{color:var(--ink);font-size:16px}
.otc-dept p{font-size:14px;margin:6px 0 0}
.otc-prose{max-width:820px;padding:40px 0 70px;font-size:17px;line-height:2.1;color:var(--ink2)}
.otc-prose h2{font-size:26px;margin-top:1.4em}.otc-prose h3{font-size:21px;margin-top:1.2em}
.otc-prose img{border-radius:16px}
.otc-cover{margin:0 0 24px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* responsive */
@media (max-width:1100px){
  .otc-nav,.otc-link-acc span{display:none}
  .otc-burger{display:inline-flex}
  .otc-header-in{justify-content:space-between}
  .otc-mega-in{grid-template-columns:1fr 1fr}
  .otc-dept-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  .otc-split,.otc-page-hero-in,.otc-quote-in,.otc-block{grid-template-columns:1fr}
  .otc-block.flip .art{order:0}
  .otc-offer-grid,.otc-sector-grid,.otc-post-grid,.otc-rel-grid,.otc-contact-grid{grid-template-columns:1fr 1fr}
  .otc-points ul{grid-template-columns:1fr 1fr}
  .otc-footer-grid{grid-template-columns:1fr 1fr}
  .otc-road-svg{left:22px;transform:none;width:44px}
  .otc-road-svg .asphalt{stroke-width:30}.otc-road-svg .edge{stroke-width:26}
  .otc-station,.otc-station.odd{grid-template-columns:1fr;padding-inline-start:0;padding-left:64px;min-height:0;gap:10px;padding-bottom:30px}
  .otc-station-art,.otc-station.odd .otc-station-art{grid-column:1;grid-row:auto}
  .otc-station-text,.otc-station.odd .otc-station-text{grid-column:1;grid-row:auto}
  .otc-station-art .otc-iso{width:min(240px,100%)}
  .otc-marker{left:44px;top:30px}
  .otc-header-cta .otc-btn{display:none}
}
@media (max-width:600px){
  body{font-size:15.5px}
  .otc-offer-grid,.otc-sector-grid,.otc-post-grid,.otc-rel-grid,.otc-contact-grid,.otc-dept-grid,.otc-points ul,.otc-footer-grid,.otc-stats{grid-template-columns:1fr}
  .otc-stats{grid-template-columns:1fr 1fr}
  .otc-cta-in{padding:30px 22px}
  .otc-quote-in{padding:24px}
  .otc-block{padding:18px}
  .otc-hero{padding-top:36px}
  .otc-kb-head{flex-direction:column;align-items:flex-start}
  .otc-logos img{height:36px}
  .otc-logo small{display:none}
  .otc-announce{font-size:12.5px}
  .otc-announce .badge{display:none}
  .otc-announce .otc-wrap{gap:6px;min-height:36px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}