/* ahmedgomaa.net — personal portfolio. Tokens match editable-assets/brand.css */
@font-face{font-family:Inter;src:url(/assets/fonts/inter-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url(/assets/fonts/inter-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:Inter;src:url(/assets/fonts/inter-800.woff2) format("woff2");font-weight:800;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(/assets/fonts/jetbrains-mono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Sans Arabic";src:url(/assets/fonts/plex-arabic-400.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200F,U+060C}
@font-face{font-family:"IBM Plex Sans Arabic";src:url(/assets/fonts/plex-arabic-600.woff2) format("woff2");font-weight:500 600;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200F,U+060C}
@font-face{font-family:"IBM Plex Sans Arabic";src:url(/assets/fonts/plex-arabic-700.woff2) format("woff2");font-weight:700 800;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+08A0-08FF,U+FB50-FDFF,U+FE70-FEFF,U+200C-200F,U+060C}

:root{
  --ink:#0A101D;--surface:#101A2E;--surface-2:#15223B;--line:#22314F;
  --text:#E8EEF8;--muted:#9AA8C2;--dim:#6B7A98;
  --accent:#2DD4BF;--accent-ink:#04201C;--accent-soft:rgba(45,212,191,.12);
  --amber:#F5B544;--green:#4ADE80;--rose:#FB7185;
  --sans:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --radius:16px;--max:1120px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--text);font:400 17px/1.65 var(--sans);-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 500px at 85% -5%,rgba(45,212,191,.10),transparent 60%),radial-gradient(700px 500px at -10% 40%,rgba(167,139,250,.06),transparent 60%);
  background-repeat:no-repeat}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;top:-100px;inset-inline-start:16px;background:var(--accent);color:var(--accent-ink);padding:8px 12px;border-radius:8px;z-index:10}.skip:focus{top:16px}

/* header */
.site-header{position:sticky;top:0;z-index:5;background:rgba(10,16,29,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:600}
.brand:hover{text-decoration:none}
.mono{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#0EA5A4);color:var(--accent-ink);font-weight:800;font-size:15px}
.brand small{display:block;color:var(--dim);font-weight:400;font-size:12.5px;line-height:1.2}
nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
nav a{display:block;padding:8px 12px;border-radius:8px;color:var(--muted);font-size:15px}
nav a:hover,nav a[aria-current=page]{color:var(--text);background:var(--surface);text-decoration:none}
.header-tools{display:flex;align-items:center;gap:10px;order:3}
.lang-switch{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--dim)}
.lang-switch a{color:var(--muted);padding:6px 8px;border-radius:8px}
.lang-switch a[lang=ar]{font-family:"IBM Plex Sans Arabic",var(--sans);font-size:15px}
.lang-switch a:hover{color:var(--text);background:var(--surface);text-decoration:none}
.lang-switch a[aria-current=true]{color:var(--accent);font-weight:600}
.site-header nav{order:2;margin-inline-start:auto}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 12px;font:inherit;font-size:14px}
@media (max-width:860px){
  .menu-btn{display:block}
  .header-tools{margin-inline-start:auto}
  nav{position:absolute;left:0;right:0;top:68px;background:var(--ink);border-bottom:1px solid var(--line);display:none}
  nav.open{display:block}
  nav ul{flex-direction:column;padding:8px 16px 16px}
  .brand small{display:none}
}

/* type */
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(34px,5.4vw,58px);font-weight:800}
h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;margin-top:1.6em}
h3{font-size:20px;font-weight:600}
h1 em,h2 em{font-style:normal;color:var(--accent)}
p{margin:0 0 1em}
.kicker{font-family:var(--mono);font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.lead{font-size:clamp(18px,2vw,21px);color:var(--muted);max-width:720px}
.muted{color:var(--muted)}
code{font-family:var(--mono);font-size:.88em;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:#C9D4E8}
pre{background:#0B1324;border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow-x:auto;font:400 14px/1.6 var(--mono)}
pre code{background:none;border:0;padding:0}

/* sections */
section{padding:56px 0}
.hero{padding:80px 0 48px}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid var(--line);color:var(--text);background:var(--surface)}
.btn:hover{text-decoration:none;border-color:var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
.fact{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.fact b{display:block;font-size:24px;font-weight:800}
.fact span{color:var(--muted);font-size:14px}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}}

.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
@media (max-width:860px){.g2,.g3{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin-bottom:6px}
.card p{color:var(--muted);margin:0}
a.card{display:block;color:var(--text);transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}
.card .thumb{border-radius:10px;border:1px solid var(--line);margin:-6px -6px 16px;overflow:hidden}
.tag{display:inline-block;font-family:var(--mono);font-size:12px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted);margin:0 6px 6px 0}
.tag.ok{color:var(--green);border-color:rgba(74,222,128,.35)}
.tag.warn{color:var(--amber);border-color:rgba(245,181,68,.4)}
.tags{margin-top:12px}

.figure{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:24px 0}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery figure{margin:0}
.gallery figcaption{font-size:14px;color:var(--muted);margin-top:8px;line-height:1.4}
.gallery a{border:1px solid var(--line);border-radius:12px;overflow:hidden;display:block}
.gallery a:hover{border-color:var(--accent)}
@media (max-width:860px){.gallery{grid-template-columns:1fr 1fr}}

/* prose (case studies, articles) */
.prose{max-width:760px}
.prose ul,.prose ol{padding-inline-start:22px}
.prose li{margin:4px 0}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:16px 0;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:start;vertical-align:top}
.prose th{background:var(--surface);font-weight:600}
.prose h2{font-size:26px}
.meta{color:var(--dim);font-family:var(--mono);font-size:13px;margin-bottom:24px}

/* skills */
.skill-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.skill-list li{font-size:14px;padding:6px 12px;border-radius:8px;background:var(--surface);border:1px solid var(--line);color:var(--text)}

/* timeline */
.timeline{border-inline-start:2px solid var(--line);padding-inline-start:24px;display:grid;gap:26px}
.timeline .item{position:relative}
.timeline .item::before{content:"";position:absolute;inset-inline-start:-31px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--accent)}
.timeline .when{font-family:var(--mono);font-size:13px;color:var(--dim)}

/* contact form */
form{display:grid;gap:16px;max-width:640px}
label{display:grid;gap:6px;font-size:14px;color:var(--muted)}
input,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%}
input:focus,textarea:focus{outline:none;border-color:var(--accent)}
textarea{min-height:160px;resize:vertical}
.hp{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.form-status{min-height:1.5em;font-size:15px}
.form-status.ok{color:var(--green)}.form-status.err{color:var(--rose)}
button.btn{cursor:pointer;font-family:inherit}
button.btn[disabled]{opacity:.6;cursor:progress}

/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:48px;padding:32px 0;color:var(--dim);font-size:14px}
.site-footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.site-footer a{color:var(--muted)}

/* misc */
.note-small{font-size:15px;margin-top:14px}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:40px;flex-wrap:wrap}
.ar-block{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}

/* ---------- Arabic / RTL ---------- */
[dir=rtl] body,body[dir=rtl],html[dir=rtl] body{font-family:"IBM Plex Sans Arabic",Inter,system-ui,"Segoe UI",Tahoma,sans-serif;line-height:1.85}
:lang(ar){font-family:"IBM Plex Sans Arabic",Inter,system-ui,"Segoe UI",Tahoma,sans-serif}
html[dir=rtl] h1,html[dir=rtl] h2,html[dir=rtl] h3,.ar-block h2{letter-spacing:0;line-height:1.35}
html[dir=rtl] .kicker,html[dir=rtl] .meta,html[dir=rtl] .tag,html[dir=rtl] .timeline .when{font-family:"IBM Plex Sans Arabic",var(--mono);letter-spacing:0}
html[dir=rtl] .kicker{font-size:15px}
html[dir=rtl] .lead{line-height:1.8}
/* code, identifiers, URLs, e-mails stay left-to-right */
code,pre,kbd,samp,[dir=ltr]{direction:ltr;unicode-bidi:isolate}
pre{text-align:left}
input[type=email]{text-align:left}
html[dir=rtl] input[type=email]::placeholder{text-align:right}
html[dir=rtl] .figure[dir=ltr]{direction:ltr}
.brand > span:last-child{white-space:nowrap}
@media (max-width:860px){.prose table{font-size:14px}.prose th,.prose td{padding:7px 8px}}
@media (max-width:420px){.lang-switch{font-size:13px;gap:2px}.lang-switch a{padding:6px 5px}.menu-btn{padding:7px 9px}}
.site-header .brand{min-width:0;flex-shrink:1}
.brand > span:last-child{overflow:hidden;text-overflow:ellipsis}
.header-tools{flex-shrink:0}
.menu-btn{font-size:18px;line-height:1}
@media (max-width:420px){.brand{gap:8px;font-size:15px}.brand .mono{width:34px;height:34px;font-size:13px}}