/* site.v1.css — shared styles for every page. Cached 1 year (immutable): on change, copy to site.v2.css and update the <link>s. */
:root{color-scheme:light;--accent:#0071e3;--accent2:#28b6c4;--ink:#1d1d1f;--muted:#6e6e73;--bg2:#f5f5f7;--line:rgba(0,0,0,.08)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:60px}
body{background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,"Noto Sans",Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
::selection{background:rgba(0,113,227,.18)}
a{color:var(--accent)}
img{max-width:100%;height:auto}
.wrap{max-width:1024px;margin:0 auto}
.narrow{max-width:760px;margin:0 auto}
section{padding:96px 22px}
.alt{background:var(--bg2)}
.dark{background:#000;color:#f5f5f7}
.center{text-align:center}
.head{max-width:680px;margin:0 auto 52px;text-align:center}
.eyebrow{font-size:14px;font-weight:600;color:var(--accent);letter-spacing:.02em;margin-bottom:14px;text-transform:uppercase}
.dark .eyebrow{color:var(--accent2)}
h2{font-size:clamp(30px,4.2vw,48px);line-height:1.08;font-weight:700;letter-spacing:-.02em;margin-bottom:18px}
h3{font-size:20px;font-weight:600;line-height:1.3;margin-bottom:8px}
.lead{font-size:18px;line-height:1.55;color:var(--muted)}
.dark .lead,.dark .card p{color:#a1a1a6}
.lead+.lead{margin-top:14px}
.btn{display:inline-flex;align-items:center;background:var(--accent);color:#fff;text-decoration:none;font-size:17px;font-weight:500;padding:13px 28px;border-radius:980px;box-shadow:0 8px 24px rgba(0,113,227,.28);transition:transform .25s,box-shadow .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,113,227,.34)}
.btn.light{background:#fff;color:var(--ink);font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.link{color:var(--accent);text-decoration:none;font-size:17px;font-weight:500}
.more{display:inline-block;margin-top:18px;font-size:16px;font-weight:600;text-decoration:none}
.dark .more{color:var(--accent2)}
/* nav */
nav{position:sticky;top:0;z-index:10;background:rgba(251,251,253,.8);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}
nav .wrap{height:52px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:16px;font-weight:600;white-space:nowrap}
.brand img{width:26px;height:26px;border-radius:7px}
.navr{display:flex;align-items:center;gap:26px;min-width:0}
.navlinks{display:flex;gap:24px;font-size:13px}
.navlinks a{color:var(--ink);text-decoration:none;opacity:.85;white-space:nowrap}
.cta-s{background:var(--accent);color:#fff;text-decoration:none;font-size:13px;font-weight:500;padding:7px 16px;border-radius:980px;white-space:nowrap}
/* home hero */
.hero{position:relative;text-align:center;padding:84px 22px 0;overflow:hidden;background:radial-gradient(900px 520px at 50% -140px,rgba(40,182,196,.20),rgba(0,113,227,.10) 45%,#fff 72%)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:980px;background:rgba(0,0,0,.05);font-size:13px;font-weight:500;color:#515154;margin-bottom:26px}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--accent2)}
h1{font-size:clamp(40px,7vw,78px);line-height:1.04;font-weight:700;letter-spacing:-.025em;margin:0 auto 22px;max-width:900px}
.grad{background:linear-gradient(120deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:clamp(18px,2.3vw,22px);max-width:700px;margin:0 auto 32px}
.ctas{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;margin-bottom:14px}
.meta{font-size:14px;color:var(--muted)}
.phones{display:flex;justify-content:center;align-items:flex-end;margin:52px auto 0;max-width:980px}
.phones img{display:block;width:270px;border-radius:30px;box-shadow:0 40px 70px rgba(0,0,0,.18),0 10px 24px rgba(0,0,0,.10)}
.phones .side{width:228px;opacity:.96;box-shadow:0 30px 60px rgba(0,0,0,.14)}
.phones .l{transform:translateX(36px) rotate(-4deg)}
.phones .r{transform:translateX(-36px) rotate(4deg)}
.phones .c{position:relative;z-index:1}
/* topic-page hero */
.thero{padding:48px 22px 80px;background:radial-gradient(900px 480px at 70% -120px,rgba(40,182,196,.16),rgba(0,113,227,.08) 45%,#fff 72%)}
.thero h1{font-size:clamp(34px,5.2vw,56px);margin:0 0 18px;max-width:none}
.thero .lead{margin-bottom:28px}
.thero .ctas{justify-content:flex-start}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:28px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
/* stats + platforms */
.stats{border-block:1px solid var(--line);background:#fbfbfd;padding:30px 22px}
.stats .wrap{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-around;text-align:center}
.stats b{display:block;font-size:30px;letter-spacing:-.02em}
.stats span{font-size:13px;color:var(--muted)}
.platforms{padding:44px 22px}
.pgrid{display:grid;grid-template-columns:1fr 1fr;gap:36px}
.platforms .eyebrow{margin-bottom:4px}
.eyebrow.soon{color:#b25000}
.note{font-size:14px;color:var(--muted);margin-top:12px}
/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.shot{display:flex;justify-content:center}
.shot img{width:290px;border-radius:30px;box-shadow:0 40px 70px rgba(0,0,0,.16),0 10px 24px rgba(0,0,0,.08)}
.ticks{list-style:none;margin-top:22px;display:grid;gap:10px}
.ticks li{position:relative;padding-inline-start:28px;font-size:16px;line-height:1.5;color:#424245}
.ticks li::before{content:"✓";position:absolute;inset-inline-start:0;top:0;color:var(--accent);font-weight:700}
.dark .ticks li{color:#d2d2d7}
.dark .ticks li::before{color:var(--accent2)}
/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.card{background:var(--bg2);border-radius:20px;padding:28px 24px}
.card p{font-size:15px;line-height:1.5;color:var(--muted)}
.alt .card{background:#fff}
.dark .card{background:#1c1c1e;border:1px solid rgba(255,255,255,.08)}
.ico{font-size:24px;margin-bottom:12px;display:block}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chips span{background:#fff;border:1px solid var(--line);border-radius:14px;padding:11px 16px;font-size:15px;font-weight:600}
.dark .chips span{background:#1c1c1e;border-color:rgba(255,255,255,.12);color:#f5f5f7}
.label{font-size:14px;font-weight:600;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-top:30px}
/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:16px;line-height:1.45;background:#fff;border-radius:18px;overflow:hidden}
.tbl th,.tbl td{text-align:start;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl thead th{background:#fbfbfd;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.tbl tbody th{font-weight:600;width:34%}
.tbl tr:last-child>*{border-bottom:0}
.scroll{overflow-x:auto}
/* how-to */
.steps{counter-reset:s;list-style:none;display:grid;gap:12px;margin-top:14px}
.steps li{counter-increment:s;position:relative;padding-inline-start:40px;font-size:16px;line-height:1.5;color:#424245}
.steps li::before{content:counter(s);position:absolute;inset-inline-start:0;top:-1px;width:26px;height:26px;border-radius:50%;background:var(--accent);color:#fff;font-size:14px;font-weight:600;display:grid;place-items:center}
/* prose + faq */
.prose p,.prose li{font-size:18px;line-height:1.65;color:#424245}
.prose p{margin-bottom:18px}
.prose h2{font-size:clamp(26px,3.2vw,34px);margin:40px 0 14px}
.prose h2:first-child{margin-top:0}
.prose ul{padding-inline-start:22px;margin-bottom:18px;display:grid;gap:6px}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 4px;font-size:19px;font-weight:600;letter-spacing:-.01em;transition:color .25s}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;font-weight:300;color:var(--accent);transition:transform .4s cubic-bezier(.16,1,.3,1);flex:none}
details{border-top:1px solid rgba(0,0,0,.12)}
details:last-child{border-bottom:1px solid rgba(0,0,0,.12)}
details[open] summary,summary:hover{color:var(--accent)}
details[open] summary::after{transform:rotate(45deg)}
details p{font-size:17px;line-height:1.6;color:#424245;padding:0 4px 24px}
/* related pages */
.rel{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.rel a{display:block;background:var(--bg2);border-radius:16px;padding:18px 20px;text-decoration:none;color:var(--ink);font-weight:600;font-size:16px;transition:background .2s}
.rel a:hover{background:#ebebf0}
.rel a span{display:block;font-weight:400;color:var(--muted);font-size:14px;margin-top:4px;line-height:1.4}
.alt .rel a{background:#fff}
/* final cta + footer */
.final{max-width:1024px;margin:0 auto;background:linear-gradient(135deg,#0066d6 0%,#0a84ff 45%,#159aae 100%);border-radius:32px;padding:68px 36px;text-align:center;color:#fff}
.final img{width:84px;height:84px;border-radius:20px;box-shadow:0 12px 30px rgba(0,0,0,.25);margin-bottom:24px}
.final p{font-size:19px;line-height:1.5;color:rgba(255,255,255,.92);max-width:560px;margin:0 auto 30px}
footer{border-top:1px solid var(--line);padding:40px 22px 52px}
.frow{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;margin-bottom:24px}
.flinks{display:flex;flex-wrap:wrap;gap:22px;font-size:14px}
.flinks a{text-decoration:none;font-weight:500}
.fcols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:26px}
.fcols h4{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:10px;font-weight:600}
.fcols a{display:block;font-size:14px;color:var(--ink);text-decoration:none;padding:4px 0}
.fcols a:hover{color:var(--accent)}
.fine{font-size:13px;line-height:1.6;color:var(--muted);max-width:780px}
/* scroll reveal: CSS-only, compositor-friendly */
@keyframes up{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@supports (animation-timeline:view()){[data-r]{animation:up linear both;animation-timeline:view();animation-range:entry 0% entry 50%}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}[data-r]{animation:none!important}}
@media (max-width:860px){.split,.grid2,.pgrid{grid-template-columns:1fr}.grid3,.rel{grid-template-columns:1fr 1fr}.split .shot{order:-1}.phones .side{display:none}.thero .split .shot{order:0}}
@media (max-width:600px){section{padding:72px 18px}.grid3,.rel{grid-template-columns:1fr}.brand span{display:none}.navr{gap:14px}.navlinks{gap:14px;font-size:12px;overflow-x:auto;scrollbar-width:none}.navlinks::-webkit-scrollbar{display:none}.cta-s{padding:7px 12px;font-size:12px}.final{padding:52px 22px}.tbl{font-size:15px}.tbl th,.tbl td{padding:12px 12px}.fcols{grid-template-columns:1fr 1fr}.thero{padding:32px 18px 64px}}
@media (max-width:600px){.mini{grid-template-columns:1fr 1fr;gap:12px}.mini .card{padding:18px 14px}.mini h3{font-size:16px}.mini .card p{font-size:14px}}
/* right-to-left pages (ar) */
[dir=rtl] .phones .l{transform:translateX(-36px) rotate(4deg)}
[dir=rtl] .phones .r{transform:translateX(36px) rotate(-4deg)}
[dir=rtl] body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans Arabic",Tahoma,Arial,sans-serif}
[dir=rtl] *{letter-spacing:0!important}
[dir=rtl] .stats b{direction:ltr;unicode-bidi:isolate}