:root{--bg:#F3F8F8;--sf:#fff;--ink:#10242B;--mu:#566B73;--ln:#DCE8EA;--br:#0B7A72;--bi:#fff;--tn:#E3F5F2;--gr:linear-gradient(135deg,#0B7A72,#2563EB);--gl:rgba(45,212,191,.22);--sh:0 10px 34px rgba(16,80,90,.10);--er:#C0364B;color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0B1417;--sf:#121F24;--ink:#E6F2F3;--mu:#9DB4B9;--ln:#223439;--br:#3CD9C6;--bi:#06201D;--tn:#16302F;--gr:linear-gradient(135deg,#3CD9C6,#6EA8FF);--gl:rgba(60,217,198,.14);--sh:0 10px 34px rgba(0,0,0,.4);--er:#FF7A8E;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0B1417;--sf:#121F24;--ink:#E6F2F3;--mu:#9DB4B9;--ln:#223439;--br:#3CD9C6;--bi:#06201D;--tn:#16302F;--gr:linear-gradient(135deg,#3CD9C6,#6EA8FF);--gl:rgba(60,217,198,.14);--sh:0 10px 34px rgba(0,0,0,.4);--er:#FF7A8E;color-scheme:dark}
html{scroll-padding-top:env(safe-area-inset-top,0px);scroll-behavior:smooth}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(900px 440px at 85% -60px,var(--gl),transparent 70%),radial-gradient(700px 360px at 5% 420px,var(--gl),transparent 70%),var(--bg);background-repeat:no-repeat;color:var(--ink);font:400 16px/1.7 Cairo,Inter,system-ui,sans-serif}
[lang=en] body{font-family:Inter,Cairo,system-ui,sans-serif}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--bg);z-index:10}
a{color:inherit;text-decoration:none}
.w{max-width:1040px;margin:0 auto;padding:0 20px}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:11;background:var(--bg);border-bottom:1px solid var(--ln)}
header .w{display:flex;align-items:center;gap:12px;height:62px}
.logo{font-weight:800;font-size:20px;display:flex;align-items:center;gap:8px;margin-inline-end:auto}
.logo i{width:30px;height:30px;border-radius:9px;background:var(--gr);color:var(--bi);display:grid;place-items:center;font:800 13px Inter}
.nav{display:flex;gap:18px;color:var(--mu);font-size:15px}
@media(max-width:640px){.nav{display:none}}
.ib{border:1px solid var(--ln);background:var(--sf);color:var(--ink);border-radius:10px;height:36px;min-width:40px;padding:0 10px;font:600 13px Inter,Cairo;cursor:pointer}
:focus-visible{outline:2px solid var(--br);outline-offset:2px}
.hero{padding:64px 0 36px;max-width:720px}
h1{font-size:clamp(32px,6vw,54px);line-height:1.25;margin:0 0 14px;font-weight:800;letter-spacing:-.01em}
.hero p{color:var(--mu);font-size:18px;margin:0 0 24px;max-width:560px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--gr);color:var(--bi);border:0;border-radius:14px;padding:13px 26px;box-shadow:0 6px 18px rgba(37,99,235,.22);font:600 16px inherit;font-family:inherit;cursor:pointer}
.btn[disabled]{opacity:.55;cursor:wait}
.badge{display:inline-block;margin-top:18px;background:var(--tn);color:var(--br);border-radius:99px;padding:4px 14px;font-size:14px;font-weight:600}
h2{font-size:28px;margin:64px 0 20px;font-weight:800}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.card{background:var(--sf);border:1px solid var(--ln);border-radius:22px;padding:22px;box-shadow:var(--sh);display:block}
a.card{transition:transform .15s,border-color .15s}
a.card:hover{transform:translateY(-3px);border-color:var(--br)}
.ic{width:46px;height:46px;border-radius:14px;background:var(--tn);color:var(--br);display:grid;place-items:center;margin-bottom:14px}
.ic svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin:0 0 4px;font-size:18px}.card p{margin:0;color:var(--mu);font-size:15px}
.steps{counter-reset:s}.steps .card{position:relative}
.steps .card::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--gr);color:var(--bi);font:800 15px Inter;margin-bottom:12px}
details{background:var(--sf);border:1px solid var(--ln);border-radius:14px;padding:14px 20px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}details p{color:var(--mu);margin:8px 0 0}
footer{margin-top:80px;border-top:1px solid var(--ln);padding:28px 0;color:var(--mu);font-size:14px}
footer .w{display:flex;flex-wrap:wrap;gap:12px 24px}
footer .l{display:flex;gap:16px;flex-wrap:wrap;margin-inline-start:auto}
/* tool */
.back{display:inline-block;margin:28px 0 8px;color:var(--mu)}
.tool h1{font-size:clamp(28px,5vw,40px)}
.tool>.w>p{color:var(--mu);margin:0 0 24px}
.dz{display:block;border:2px dashed var(--ln);border-radius:20px;background:var(--sf);padding:44px 20px;text-align:center;cursor:pointer;transition:.15s}
.dz.on,.dz:hover{border-color:var(--br);background:var(--tn)}
.dz b{display:block;font-size:19px}.dz span{color:var(--mu);font-size:14px}
.dz input{display:none}
ul.fl{list-style:none;margin:16px 0;padding:0;display:grid;gap:8px}
.fl li{display:flex;align-items:center;gap:8px;background:var(--sf);border:1px solid var(--ln);border-radius:12px;padding:8px 8px 8px 14px;cursor:grab}
.fl .n{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;direction:ltr;text-align:start}
.fl small{color:var(--mu);font-family:Inter}
.fl button{border:0;background:var(--tn);color:var(--ink);border-radius:8px;width:32px;height:32px;cursor:pointer;font-size:15px}
.opt{margin:16px 0;display:flex;flex-direction:column;gap:6px;max-width:360px}
.opt input,.opt select{font:inherit;padding:10px 14px;border-radius:12px;border:1px solid var(--ln);background:var(--sf);color:var(--ink)}
.pg{height:8px;border-radius:9px;background:var(--tn);overflow:hidden;margin:16px 0}
.pg i{display:block;height:100%;width:0;background:var(--gr);transition:width .2s}
.er{color:var(--er);font-weight:600;margin:12px 0}
.res{background:var(--tn);border-radius:16px;padding:20px;margin-top:16px}
.res p{margin:0 0 12px;font-weight:600}
[hidden]{display:none!important}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.seo{margin-top:40px;color:var(--mu)}.seo h2{font-size:22px;margin:0 0 8px;color:var(--ink)}.ad{margin:24px auto;text-align:center}.doc{padding:48px 0;max-width:720px}.doc h1{font-size:34px;margin:0 0 16px}.doc h2{font-size:20px;margin:28px 0 6px}.doc p{color:var(--mu);margin:0 0 10px}.fl small{direction:ltr;unicode-bidi:isolate;white-space:nowrap}