/* ConvertX website. Tokens mirror the app's light/dark themes (lib/app/theme). */
@font-face{font-family:"Space Grotesk";src:url(fonts/SpaceGrotesk.ttf) format("truetype");font-weight:300 700;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(fonts/JetBrainsMono.ttf) format("truetype");font-weight:100 800;font-display:swap}
@font-face{font-family:"IBM Plex Sans Arabic";src:url(fonts/ibm-ar-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Sans Arabic";src:url(fonts/ibm-ar-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"IBM Plex Sans Arabic";src:url(fonts/ibm-ar-700.woff2) format("woff2");font-weight:700;font-display:swap}

:root{
  --bg:#F8FAFC; --card:#FFFFFF; --well:#F1F5F9; --raised:#FFFFFF;
  --line:#E2E8F0; --line-strong:#CBD5E1;
  --fg:#0F172A; --fg2:#334155; --muted:#64748B;
  --primary:#0284C7; --on-primary:#FFFFFF;
  --result:#16A34A;
  --band:#0284C7; --on-band:#FFFFFF; --band-soft:rgba(255,255,255,.16);
  --shadow:0 1px 2px rgba(15,23,42,.05),0 12px 32px -12px rgba(15,23,42,.14);
  --grid:rgba(15,23,42,.045);
  --ui:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ar:"IBM Plex Sans Arabic","Space Grotesk",system-ui,sans-serif;
  --r:24px; --pill:999px;
  --gut:clamp(16px,4vw,40px); --max:1160px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0B0E14; --card:#111622; --well:#080A0F; --raised:#182030;
    --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.18);
    --fg:#FFFFFF; --fg2:#E2E8F0; --muted:#94A3B8;
    --primary:#00F2FE; --on-primary:#00373A;
    --result:#CCFF00;
    --band:#7000FF; --on-band:#FFFFFF; --band-soft:rgba(255,255,255,.14);
    --shadow:0 1px 0 rgba(255,255,255,.04) inset,0 18px 40px -16px rgba(0,0,0,.7);
    --grid:rgba(255,255,255,.04);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0B0E14; --card:#111622; --well:#080A0F; --raised:#182030;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.18);
  --fg:#FFFFFF; --fg2:#E2E8F0; --muted:#94A3B8;
  --primary:#00F2FE; --on-primary:#00373A;
  --result:#CCFF00;
  --band:#7000FF; --on-band:#FFFFFF; --band-soft:rgba(255,255,255,.14);
  --shadow:0 1px 0 rgba(255,255,255,.04) inset,0 18px 40px -16px rgba(0,0,0,.7);
  --grid:rgba(255,255,255,.04);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px;scrollbar-color:var(--line-strong) var(--bg)}
body{margin:0;background:var(--bg);color:var(--fg2);font:400 1.0625rem/1.6 var(--ui);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
html[lang="ar"] body{font-family:var(--ar);line-height:1.85}
img,svg{display:block;max-width:100%}
a{color:var(--fg);text-decoration-color:var(--primary);text-decoration-thickness:2px;text-underline-offset:.22em}
a:hover{text-decoration-color:var(--fg)}
::selection{background:var(--primary);color:var(--on-primary)}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:10px;border:2px solid var(--bg)}
.mono,.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--primary);color:var(--on-primary);padding:10px 16px;border-radius:var(--pill);z-index:99;text-decoration:none;font-weight:600}
.skip:focus{top:12px}

h1,h2,h3{color:var(--fg);font-family:var(--ui);margin:0;text-wrap:balance}
html[lang="ar"] h1,html[lang="ar"] h2,html[lang="ar"] h3{font-family:var(--ar)}
h1{font-size:clamp(2.6rem,6.2vw,4.9rem);line-height:1;letter-spacing:-.035em;font-weight:700}
h2{font-size:clamp(1.9rem,3.8vw,3rem);line-height:1.06;letter-spacing:-.03em;font-weight:700}
h3{font-size:1.15rem;line-height:1.3;letter-spacing:-.01em;font-weight:600}
p{margin:0}
.lede{font-size:clamp(1.1rem,1.6vw,1.3rem);line-height:1.55;color:var(--fg2);max-width:46ch}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--fg)}
.brand img{width:36px;height:36px;border-radius:10px}
.brand b{font-size:1.05rem;letter-spacing:.14em;font-weight:700;font-family:var(--mono)}
.brand small{display:block;font:500 .72rem/1 var(--mono);color:var(--muted);letter-spacing:.04em;margin-top:3px}
.nav{display:flex;align-items:center;gap:6px}
.nav a,.nav button{font:500 .9rem/1 var(--ui);color:var(--fg2);text-decoration:none;padding:10px 14px;border-radius:var(--pill);border:1px solid transparent;background:none;cursor:pointer}
html[lang="ar"] .nav a,html[lang="ar"] .nav button{font-family:var(--ar)}
.nav a:hover,.nav button:hover{background:var(--well);color:var(--fg)}
.nav .lang{border-color:var(--line-strong)}
.nav .icon-btn{width:40px;height:40px;padding:0;display:grid;place-items:center}
.nav .icon-btn svg{width:18px;height:18px}
.nav .hide-s{display:none}
@media (min-width:760px){.nav .hide-s{display:inline-block}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font:600 1rem/1 var(--ui);padding:16px 24px;border-radius:var(--pill);border:1px solid var(--line-strong);color:var(--fg);background:var(--card);text-decoration:none;cursor:pointer;transition:transform .2s cubic-bezier(.16,1,.3,1),background .2s}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:20px;height:20px;flex:none}
.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}
.btn[aria-disabled="true"]{cursor:default}
.btn[aria-disabled="true"]:hover{transform:none}
.soon{font:500 .78rem/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:5px 8px;border-radius:var(--pill);background:var(--on-primary);color:var(--primary);margin-inline-start:2px}

/* ---------- hero ---------- */
.hero{position:relative;padding-block:clamp(40px,7vw,88px) clamp(48px,7vw,96px);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(to bottom,#000 30%,transparent 95%);-webkit-mask-image:linear-gradient(to bottom,#000 30%,transparent 95%);pointer-events:none}
.hero .wrap{position:relative;display:grid;gap:clamp(36px,6vw,72px);align-items:center}
@media (min-width:960px){.hero .wrap{grid-template-columns:1.02fr .98fr}}
.hero .wrap>*,.split>*,.read>*{min-width:0}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero .lede{margin-top:22px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.facts{display:flex;flex-wrap:wrap;gap:8px 20px;margin:30px 0 0;padding:0;list-style:none;font:500 .82rem/1.2 var(--mono);color:var(--muted);letter-spacing:.02em}
.facts li{display:flex;align-items:center;gap:8px}
.facts li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--result)}

/* ---------- instrument (live converter) ---------- */
.rig{position:relative;animation:rise .8s cubic-bezier(.16,1,.3,1) both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.chips{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 14px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;font:500 .85rem/1 var(--ui);padding:10px 16px;border-radius:var(--pill);border:1px solid var(--line-strong);background:var(--card);color:var(--fg2);cursor:pointer}
html[lang="ar"] .chip{font-family:var(--ar)}
.chip:hover{border-color:var(--primary)}
.chip[aria-pressed="true"]{background:var(--primary);border-color:var(--primary);color:var(--on-primary);font-weight:600}
.unit-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px 18px;box-shadow:var(--shadow)}
.unit-card::before{content:"";position:absolute;inset-inline-start:0;top:24px;width:4px;height:34px;background:var(--primary);border-start-end-radius:4px;border-end-end-radius:4px}
.unit-card.to::before{background:var(--result)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.tags{display:flex;gap:8px;align-items:center}
.tag{font:600 .7rem/1 var(--mono);letter-spacing:.1em;padding:6px 10px;border-radius:var(--pill);border:1px solid currentColor;color:var(--primary)}
.tag.fill{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}
.to .tag{color:var(--fg)}
.to .tag.fill{background:var(--result);border-color:var(--result);color:#0B0E14}
.pill-select{position:relative;display:inline-flex}
.pill-select select{appearance:none;-webkit-appearance:none;font:600 .9rem/1 var(--ui);color:var(--fg);background:var(--well);border:1px solid var(--line-strong);border-radius:var(--pill);padding:11px 38px 11px 16px;max-width:210px;cursor:pointer;text-overflow:ellipsis}
.pill-select::after{content:"";position:absolute;inset-inline-end:15px;top:50%;width:7px;height:7px;border:solid var(--muted);border-width:0 2px 2px 0;transform:translateY(-70%) rotate(45deg);pointer-events:none}
html[dir="rtl"] .pill-select select{padding:11px 16px 11px 38px}
.pill-select select:hover{border-color:var(--primary)}
.val{display:flex;align-items:baseline;gap:12px;min-width:0}
.val input,.val output{flex:1;min-width:0;font:700 clamp(2.2rem,5.4vw,3.4rem)/1.1 var(--mono);letter-spacing:-.04em;color:var(--fg);background:none;border:0;padding:0;outline:none;font-variant-numeric:tabular-nums}
.val input{caret-color:var(--primary)}
.val input::placeholder{color:var(--line-strong)}
.val output{color:var(--result);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}
.val output.tick{animation:tick .35s cubic-bezier(.16,1,.3,1)}
@keyframes tick{from{opacity:.2;transform:translateY(8px)}to{opacity:1;transform:none}}
.val .u{font:500 1rem/1 var(--mono);color:var(--muted);white-space:nowrap}
.ruled{border-top:1px solid var(--line);margin-top:14px;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;font:500 .78rem/1.4 var(--mono);color:var(--muted)}
.shift{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.shift span{letter-spacing:.08em;margin-inline-end:4px}
.shift button{font:500 .78rem/1 var(--mono);padding:7px 11px;border-radius:var(--pill);border:1px solid var(--line-strong);background:var(--well);color:var(--fg2);cursor:pointer}
.shift button[aria-pressed="true"]{border-color:var(--result);color:var(--fg);background:color-mix(in srgb,var(--result) 14%,transparent)}
.swap{display:grid;place-items:center;height:52px}
.swap button{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--primary);background:var(--card);color:var(--primary);display:grid;place-items:center;cursor:pointer;transition:transform .35s cubic-bezier(.16,1,.3,1)}
.swap button:hover{transform:rotate(180deg)}
.swap svg{width:22px;height:22px}
.copy{display:inline-flex;align-items:center;gap:6px;font:600 .75rem/1 var(--mono);letter-spacing:.06em;color:var(--fg);background:none;border:0;cursor:pointer;padding:6px 4px;border-radius:8px}
.copy svg{width:14px;height:14px;color:var(--result)}
.rate{margin-top:14px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:var(--pill);padding:12px 20px;font:500 .8rem/1.3 var(--mono);color:var(--muted)}
.rate b{color:var(--fg);font-weight:600}
.err{color:var(--fg);font:500 .95rem/1.4 var(--ui);padding:6px 0}
.note{font:500 .72rem/1.4 var(--mono);color:var(--muted);margin-top:14px;text-align:center}

/* ---------- sections ---------- */
section{padding-block:clamp(56px,8vw,112px)}
.split{display:grid;gap:clamp(32px,5vw,72px);align-items:start}
@media (min-width:960px){.split{grid-template-columns:.9fr 1.1fr}.split.flip{grid-template-columns:1.1fr .9fr}}
.sec-head p{margin-top:20px;max-width:44ch}
.sec-head .actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 18px;font:500 .85rem/1 var(--mono);color:var(--muted)}
.sec-head .actions span{display:inline-flex;align-items:center;gap:8px}
.sec-head .actions span::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--primary)}

/* matrix */
.matrix{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:8px;box-shadow:var(--shadow)}
.matrix-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:baseline;padding:16px 18px 12px;font:500 .8rem/1.3 var(--mono);color:var(--muted)}
.matrix-head b{color:var(--fg);font-weight:600}
.matrix ul{list-style:none;margin:0;padding:0}
.matrix li{display:flex;align-items:center;gap:14px;padding:13px 18px;border-radius:16px;border-top:1px solid var(--line)}
.matrix li:first-child{border-top:0}
.matrix li:hover{background:var(--well)}
.matrix .nm{flex:1;min-width:0;font:600 .98rem/1.2 var(--ui);color:var(--fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.matrix .nm small{display:block;font:500 .72rem/1 var(--mono);color:var(--muted);margin-top:4px}
.matrix .v{font:600 1.1rem/1 var(--mono);color:var(--result);text-align:end;max-width:55%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.matrix .copy{flex:none;padding:8px;color:var(--muted)}
.matrix .copy svg{color:inherit;width:16px;height:16px}
.matrix .copy:hover{color:var(--fg)}
.matrix li.base .nm{color:var(--primary)}

/* ledger */
.ledger{margin-top:clamp(32px,5vw,56px);border-top:1px solid var(--line-strong)}
.row{display:grid;gap:8px 32px;padding:26px 0;border-bottom:1px solid var(--line)}
@media (min-width:860px){.row{grid-template-columns:.8fr 1.2fr;align-items:start}}
.row h3{font-size:1.25rem}
.row p{color:var(--muted);margin-top:6px;max-width:42ch}
.eqs{display:grid;gap:10px}
.eq{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 14px;font:500 1rem/1.4 var(--mono);color:var(--fg2)}
.eq .a{color:var(--fg)}
.eq .eqs-sign{color:var(--muted)}
.eq .b{color:var(--result);font-weight:700}
.eq .x{color:var(--muted);font-size:.85rem}
.reject{color:var(--fg);font-weight:600}
.reject::before{content:"✕ ";color:var(--muted)}

/* categories */
.cats{margin:clamp(32px,5vw,52px) 0 0;padding:0;list-style:none;display:grid;border-top:1px solid var(--line-strong)}
@media (min-width:700px){.cats{grid-template-columns:repeat(2,1fr);column-gap:48px}}
@media (min-width:1040px){.cats{grid-template-columns:repeat(3,1fr)}}
.cats li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:16px 2px;border-bottom:1px solid var(--line);color:var(--fg);font-weight:600}
.cats .p{font:500 .85rem/1 var(--mono);color:var(--muted);white-space:nowrap}
.cats .p i{font-style:normal;color:var(--primary);padding-inline:6px}
.tools{margin-top:28px;color:var(--fg2);max-width:70ch}

/* private band */
.private{background:var(--well);border-block:1px solid var(--line)}
.private h2{max-width:14ch}
.points{margin:0;padding:0;list-style:none;display:grid;gap:0}
.points li{padding:20px 0;border-bottom:1px solid var(--line-strong);display:grid;gap:4px}
.points li:first-child{border-top:1px solid var(--line-strong)}
.points b{color:var(--fg);font-size:1.1rem;font-weight:600}
.points span{color:var(--fg2);max-width:52ch}
.more{margin-top:24px}

/* pro */
.compare{width:100%;border-collapse:collapse;margin-top:clamp(28px,4vw,44px);font-size:1rem}
.compare th,.compare td{padding:16px 14px;text-align:start;border-bottom:1px solid var(--line);vertical-align:top}
.compare thead th{font:600 .78rem/1 var(--mono);letter-spacing:.1em;color:var(--muted);border-bottom:1px solid var(--line-strong);text-transform:uppercase}
.compare th[scope="row"]{color:var(--fg);font-weight:600;width:42%}
.compare td{font-family:var(--mono);font-size:.92rem;color:var(--fg2)}
.compare td.pro{color:var(--fg);font-weight:600}
.band{background:var(--band);color:var(--on-band);border-radius:clamp(24px,4vw,40px);padding:clamp(32px,6vw,72px);display:grid;gap:24px;margin-block:0}
.band h2{color:var(--on-band);max-width:16ch}
.band p{color:var(--on-band);opacity:.92;max-width:44ch}
.band .btn{background:var(--on-band);border-color:var(--on-band);color:#0B0E14;justify-self:start}
.band .soon{background:#0B0E14;color:var(--on-band)}
@media (min-width:900px){.band{grid-template-columns:1.2fr .8fr;align-items:center}.band .cta-col{justify-self:end}}

/* footer */
footer{border-top:1px solid var(--line);padding-block:44px 56px;color:var(--muted);font-size:.92rem}
footer .wrap{display:grid;gap:24px}
@media (min-width:760px){footer .wrap{grid-template-columns:1fr auto;align-items:start}}
footer nav{display:flex;flex-wrap:wrap;gap:8px 22px}
footer a{color:var(--fg2)}
footer .fine{font:500 .75rem/1.6 var(--mono);max-width:70ch}

/* ---------- documents (privacy) ---------- */
.doc-head{padding-block:clamp(40px,6vw,76px) clamp(24px,4vw,40px);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.doc-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(to bottom,#000 20%,transparent);-webkit-mask-image:linear-gradient(to bottom,#000 20%,transparent);pointer-events:none}
.doc-head .wrap{position:relative}
.doc-head h1{font-size:clamp(2.3rem,5vw,3.8rem)}
.meta{margin-top:16px;font:500 .85rem/1.6 var(--mono);color:var(--muted)}
html[lang="ar"] .meta{font-family:var(--ar)}
.read{display:grid;gap:36px;padding-block:clamp(32px,5vw,64px) 96px}
@media (min-width:960px){.read{grid-template-columns:260px minmax(0,1fr);gap:64px}}
.toc{align-self:start;position:sticky;top:92px}
.toc summary{font:600 .78rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);cursor:pointer;padding:6px 0 12px}
html[lang="ar"] .toc summary{font-family:var(--ar);letter-spacing:0;text-transform:none;font-size:.95rem}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px;border-top:1px solid var(--line)}
.toc a{display:block;padding:7px 0;color:var(--fg2);text-decoration:none;font-size:.94rem;border-bottom:1px solid var(--line)}
.toc a:hover{color:var(--primary);color:var(--fg)}
@media (max-width:959px){.toc{position:static}}
.prose{max-width:72ch}
.prose h2{font-size:1.5rem;letter-spacing:-.02em;margin:48px 0 12px;scroll-margin-top:90px}
.prose h2:first-of-type{margin-top:0}
.prose p,.prose li{color:var(--fg2)}
.prose p+p,.prose p+ul,.prose ul+p{margin-top:14px}
.prose ul{padding-inline-start:1.2rem;margin:12px 0 0;display:grid;gap:8px}
.prose li::marker{color:var(--primary)}
.prose code{font:500 .9em var(--mono);background:var(--well);border:1px solid var(--line);padding:2px 7px;border-radius:8px;color:var(--fg)}
.short{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px;margin-bottom:40px;box-shadow:var(--shadow)}
.short>strong{display:block;color:var(--fg);font-size:1.15rem;margin-bottom:10px}
.perm{width:100%;border-collapse:collapse;margin-top:14px;font-size:.95rem}
.perm th,.perm td{text-align:start;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.perm thead th{font:600 .74rem/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line-strong)}
html[lang="ar"] .perm thead th{font-family:var(--ar);letter-spacing:0;text-transform:none;font-size:.9rem}
.perm td:first-child{font-family:var(--mono);font-size:.82rem;color:var(--fg);white-space:nowrap}
.perm-wrap{overflow-x:auto}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}