/* Cairo and IBM Plex Sans Arabic, SIL Open Font License 1.1 (self-hosted copies of the Google Fonts files). */
@font-face{font-family:'Cairo';font-style:normal;font-weight:600 800;font-display:swap;src:url(/assets/fonts/cairo-600-800-arabic.woff2) format('woff2');unicode-range:U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1}
@font-face{font-family:'Cairo';font-style:normal;font-weight:600 800;font-display:swap;src:url(/assets/fonts/cairo-600-800-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'IBM Plex Sans Arabic';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-arabic-400-arabic.woff2) format('woff2');unicode-range:U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1}
@font-face{font-family:'IBM Plex Sans Arabic';font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-arabic-400-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'IBM Plex Sans Arabic';font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-arabic-500-arabic.woff2) format('woff2');unicode-range:U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1}
@font-face{font-family:'IBM Plex Sans Arabic';font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-arabic-500-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'IBM Plex Sans Arabic';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-arabic-600-arabic.woff2) format('woff2');unicode-range:U+0600-06FF, U+0750-077F, U+0870-088E, U+0890-0891, U+0897-08E1, U+08E3-08FF, U+200C-200E, U+2010-2011, U+204F, U+2E41, U+FB50-FDFF, U+FE70-FE74, U+FE76-FEFC, U+102E0-102FB, U+10E60-10E7E, U+10EC2-10EC4, U+10EFC-10EFF, U+1EE00-1EE03, U+1EE05-1EE1F, U+1EE21-1EE22, U+1EE24, U+1EE27, U+1EE29-1EE32, U+1EE34-1EE37, U+1EE39, U+1EE3B, U+1EE42, U+1EE47, U+1EE49, U+1EE4B, U+1EE4D-1EE4F, U+1EE51-1EE52, U+1EE54, U+1EE57, U+1EE59, U+1EE5B, U+1EE5D, U+1EE5F, U+1EE61-1EE62, U+1EE64, U+1EE67-1EE6A, U+1EE6C-1EE72, U+1EE74-1EE77, U+1EE79-1EE7C, U+1EE7E, U+1EE80-1EE89, U+1EE8B-1EE9B, U+1EEA1-1EEA3, U+1EEA5-1EEA9, U+1EEAB-1EEBB, U+1EEF0-1EEF1}
@font-face{font-family:'IBM Plex Sans Arabic';font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-arabic-600-latin.woff2) format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
:root{
  --bg:#F3F7FB; --surface:#FFFFFF; --surface-2:#EAF2F9; --line:#D3E0EC;
  --ink:#152636; --ink-2:#4A5D6F; --ink-3:#7B8C9C;
  --brand:#277FC3; --brand-deep:#1D6199; --brand-soft:#DCEBF7;
  --good:#1E8E5A; --good-bg:#E3F5E9; --warn:#B7791F; --warn-bg:#FCF3DF;
  --mono:ui-monospace,"Cascadia Mono",Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){color-scheme:dark;
    --bg:#0E1923; --surface:#152230; --surface-2:#1B2B3B; --line:#2A3D50;
    --ink:#E9F0F6; --ink-2:#B3C2D0; --ink-3:#8295A7;
    --brand:#5CA8E6; --brand-deep:#8BC2F0; --brand-soft:#1E3A53;
    --good:#6FCF97; --good-bg:#1B3526; --warn:#E6C068; --warn-bg:#3A311A;}
}
:root[data-theme="dark"]{color-scheme:dark;
  --bg:#0E1923; --surface:#152230; --surface-2:#1B2B3B; --line:#2A3D50;
  --ink:#E9F0F6; --ink-2:#B3C2D0; --ink-3:#8295A7;
  --brand:#5CA8E6; --brand-deep:#8BC2F0; --brand-soft:#1E3A53;
  --good:#6FCF97; --good-bg:#1B3526; --warn:#E6C068; --warn-bg:#3A311A;}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans Arabic",Tahoma,Arial,sans-serif;font-size:15.5px;line-height:1.8}
.wrap{max-width:1100px;margin:0 auto;padding-block:24px 64px;padding-inline:18px}
h1,h2,h3{font-family:"Cairo","IBM Plex Sans Arabic",Tahoma,sans-serif;line-height:1.35;text-wrap:balance;margin:0}
h1{font-size:clamp(24px,3.6vw,34px);font-weight:800}
h2{font-size:19px;font-weight:700}
h3{font-size:15.5px;font-weight:700}
p{margin:0}
.num{font-variant-numeric:tabular-nums}
.concepts{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 6px}
.concepts button{padding:9px 16px;border:1px solid var(--line);border-radius:30px;background:var(--surface);color:var(--ink-2);font:inherit;font-weight:600;cursor:pointer}
.concepts button.active{background:var(--brand);border-color:var(--brand);color:#fff}
.hint{font-size:13.5px;color:var(--ink-3);margin-bottom:16px}
.concept{display:none}.concept.active{display:block}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.field{display:grid;gap:4px;margin-bottom:12px}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field small{font-size:12.5px;color:var(--ink-3)}
.field input[type=number],.field select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit;font-size:16px}
.field input:focus,.field select:focus{outline:2px solid var(--brand);outline-offset:1px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{padding:8px 14px;border:0;background:var(--surface);color:var(--ink-2);font:inherit;font-weight:600;cursor:pointer}
.seg button.on{background:var(--brand-soft);color:var(--brand-deep)}
.big{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;border-radius:16px;padding:20px 22px;margin-bottom:12px}
.big .l{font-size:13px;opacity:.9}.big .v{font-family:"Cairo",sans-serif;font-size:36px;font-weight:800;line-height:1.2}
.kv{display:grid;grid-template-columns:1fr auto;gap:6px 16px;font-size:14.5px}
.kv div:nth-child(even){text-align:end;font-weight:600}
.kv .sub{color:var(--ink-3);font-weight:400;font-size:13px}
.kv .tot{border-top:1px solid var(--line);padding-top:6px;margin-top:4px;font-weight:700}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 14px}
.chip{font-size:12.5px;padding:3px 10px;border-radius:20px;background:var(--surface-2);color:var(--ink-2)}
.sec{border-top:1px solid var(--line);margin-top:14px;padding-top:12px}
.sec h3{margin-bottom:8px;color:var(--brand-deep)}
.cols{display:grid;grid-template-columns:repeat(2,1fr);gap:0 14px}
.explain{font-size:13px;color:var(--ink-3);background:var(--surface-2);border-radius:10px;padding:10px 12px;margin-top:10px}
details{border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-top:12px;background:var(--surface)}
summary{cursor:pointer;font-weight:600;color:var(--brand-deep)}
.settings .cols{grid-template-columns:repeat(3,1fr)}
.tablewrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:960px;font-size:13.5px}
th,td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:start;white-space:nowrap}
th{background:var(--surface-2);font-family:"Cairo",sans-serif;font-size:12.5px;position:sticky;top:0}
td input{width:96px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit;font-size:13.5px;text-align:start}
td input.name{width:140px}
td.calc{color:var(--ink-2)}
tfoot td{font-weight:700;background:var(--surface-2)}
.btn{padding:9px 16px;border:0;border-radius:10px;background:var(--brand);color:#fff;font:inherit;font-weight:700;cursor:pointer}
.btn.ghost{background:var(--surface);color:var(--brand-deep);border:1px solid var(--line)}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.note{font-size:13px;color:var(--ink-3);margin-top:10px}
.foot{margin-top:24px;font-size:12.5px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:12px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
header{margin-bottom:22px}
.lead{font-size:17px;color:var(--ink-2);margin-top:6px}
.modes{margin:18px 0 18px}.modes .concepts{margin:0 0 8px}
.concept{margin-bottom:8px}
.how{margin-top:64px;max-width:820px}
.how h2{margin-bottom:10px}
.how ol{margin:0;padding-inline-start:22px;color:var(--ink-2);font-size:14.5px}
.how li{margin-bottom:6px}
.svc{margin-top:64px;background:var(--brand-soft);border-radius:18px;padding:28px 30px;display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.svc-text{flex:1 1 420px;display:grid;gap:8px}
.svc-eyebrow{font-size:12.5px;font-weight:700;color:var(--brand-deep);letter-spacing:.02em}
.svc h2{font-size:22px;color:var(--ink)}
.svc p{color:var(--ink-2);font-size:14.5px}
.svc-btn{flex:0 0 auto;display:inline-flex;gap:8px;align-items:center;padding:13px 22px;border-radius:12px;background:var(--brand);color:#fff;font-weight:700;text-decoration:none}
.svc-btn:hover{background:var(--brand-deep)}
.nl{margin-top:40px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px 30px;display:grid;gap:10px}
.nl h2{font-size:22px}
.nl > p{color:var(--ink-2);font-size:14.5px;max-width:760px}
.nl-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,2fr) auto;gap:10px;margin-top:6px}
.nl-row input{min-width:0;width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit;font-size:16px}
[dir=rtl] .nl-row input[type=email],[dir=rtl] .nl-row input[type=tel]{text-align:right}
.nl-row .btn{padding:12px 22px}
.nl-row .btn:disabled{opacity:.6;cursor:wait}
.nl-msg{font-size:14px;font-weight:600;min-height:1.5em;margin:0}
.nl-msg.ok{color:var(--good)}.nl-msg.err{color:var(--warn)}
.nl-fine{font-size:12.5px;color:var(--ink-3);margin:0}
.nl-fine a{color:var(--brand-deep)}
.hp{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;opacity:0}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media (max-width:820px){.grid2{grid-template-columns:1fr}.cols{grid-template-columns:1fr}.settings .cols{grid-template-columns:1fr 1fr}
  .svc,.nl{padding:22px 20px}.svc-btn{width:100%;justify-content:center}
  .nl-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.nl-row .f-email,.nl-row .f-btn{grid-column:1 / -1}}

.eyebrow{font-size:12px;font-weight:600;color:var(--brand);letter-spacing:.03em}
.rules-bar{display:flex;gap:10px 12px;align-items:center;flex-wrap:wrap;padding:12px 0;border-block:1px solid var(--line)}
.rules-label{font-weight:600;font-size:14px;color:var(--ink-2)}
.rules-select{max-width:100%;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit;font-weight:600}
.m0{margin:0}.mt8{margin-top:8px}
.foot a{color:var(--brand-deep)}

.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;flex-wrap:wrap;margin-bottom:28px}
.brand{display:inline-flex;align-items:center;text-decoration:none;border-radius:10px}
.brand img{display:block;height:68px;width:auto}
.topnav{display:flex;align-items:center;gap:12px 18px;flex-wrap:wrap}
.toplinks{display:flex;gap:14px;font-size:14px}
.toplinks a{color:var(--ink-2);text-decoration:none}
.toplinks a:hover{color:var(--brand)}
.lang-switch{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border:2px solid var(--brand);border-radius:999px;background:var(--surface);color:var(--brand-deep);font-weight:700;font-size:15px;text-decoration:none;white-space:nowrap}
.lang-switch:hover,.lang-switch:focus-visible{background:var(--brand);color:#fff}
.lang-switch .globe{font-size:16px;line-height:1}
.lang-switch[lang=ar]{font-family:"Cairo","IBM Plex Sans Arabic",sans-serif}
@media (max-width:600px){.brand img{height:50px}.topbar{align-items:flex-start}.topnav{width:100%;justify-content:space-between;flex-wrap:nowrap}.toplinks{gap:12px;font-size:13.5px}.toplinks a:last-child{display:none}}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .brand{background:#fff;padding:6px 10px}}
:root[data-theme="dark"] .brand{background:#fff;padding:6px 10px}