/* Ahmed Mashaly — portfolio. Shared tokens + components. */
:root{
  --bg:#F6F8FA; --surface:#FFFFFF; --ink:#16232E; --muted:#5A6874; --rule:#DCE2E8; --soft:#EDF1F5;
  --signal:#1F4FFF; --signal-soft:#E5EBFF; --ok:#1C7646; --ok-bg:#E2F2E8; --wait:#865700; --wait-bg:#FFF0D2; --hot:#C8283C; --hot-bg:#FDE4E7;
  --app:#E9EDF2; --app-line:#D3DAE2; --blob-a:#8EA2FF; --blob-b:#6FD3C8; --blob-c:#FFB4A8;
  --glass:rgba(255,255,255,.5); --glass-edge:rgba(255,255,255,.8); --glass-shade:rgba(22,35,46,.12);
  --bubble:#16232E; --bubble-ink:#FFFFFF;
  --np:#E11D36; --nexa:#635DFF; --enbd:#0B6E8A; --mom:#2F6F73;
  --font:"Archivo",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --ar:"Noto Sans Arabic","Segoe UI",Tahoma,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E151C; --surface:#18222C; --ink:#E8EEF3; --muted:#9AA8B4; --rule:#26323D; --soft:#141D26;
  --signal:#8CA3FF; --signal-soft:#1D2A55; --ok:#7FD6A2; --ok-bg:#163526; --wait:#F2C16B; --wait-bg:#3A2C10; --hot:#FF8A98; --hot-bg:#3D1A20;
  --app:#141D26; --app-line:#22303C; --blob-a:#2C45C4; --blob-b:#157F78; --blob-c:#8A3A30;
  --glass:rgba(24,34,44,.5); --glass-edge:rgba(255,255,255,.14); --glass-shade:rgba(0,0,0,.45);
  --bubble:#E8EEF3; --bubble-ink:#0E151C;
  --np:#FF6B7D; --nexa:#9A96FF; --enbd:#5CC3DF; --mom:#7FC7C9; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0E151C; --surface:#18222C; --ink:#E8EEF3; --muted:#9AA8B4; --rule:#26323D; --soft:#141D26;
  --signal:#8CA3FF; --signal-soft:#1D2A55; --ok:#7FD6A2; --ok-bg:#163526; --wait:#F2C16B; --wait-bg:#3A2C10; --hot:#FF8A98; --hot-bg:#3D1A20;
  --app:#141D26; --app-line:#22303C; --blob-a:#2C45C4; --blob-b:#157F78; --blob-c:#8A3A30;
  --glass:rgba(24,34,44,.5); --glass-edge:rgba(255,255,255,.14); --glass-shade:rgba(0,0,0,.45);
  --bubble:#E8EEF3; --bubble-ink:#0E151C;
  --np:#FF6B7D; --nexa:#9A96FF; --enbd:#5CC3DF; --mom:#7FC7C9; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto}
.narrow{max-width:760px}
p{margin:0}
h1,h2,h3,h4{margin:0;text-wrap:balance}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* glass */
.glass{position:relative;background:var(--glass);-webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%);
  border:1px solid var(--glass-edge);box-shadow:inset 0 1px 0 var(--glass-edge),0 30px 70px -30px var(--glass-shade)}
.glass::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(420px circle at var(--mx,30%) var(--my,0%),rgba(255,255,255,.35),transparent 45%);mix-blend-mode:soft-light}

/* nav */
.nav{position:sticky;top:calc(env(safe-area-inset-top,0px) + 14px);z-index:20;display:flex;justify-content:space-between;align-items:center;
  margin:14px auto 0;max-width:1200px;padding:8px 10px 8px 10px;border-radius:999px}
.nav .home{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;color:var(--ink);text-decoration:none;flex:none}
.nav .home:hover{background:var(--glass-edge)}
.nav .links{margin-inline:auto}
.nav .right{display:flex;align-items:center;gap:6px}
.nav .menu{display:none;font:inherit;font-size:15px;padding:7px 14px;border-radius:999px;border:0;background:transparent;color:var(--ink);cursor:pointer}
.nav .menu:hover{background:var(--glass-edge)}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav ul a{display:block;padding:7px 14px;border-radius:999px;text-decoration:none;font-size:15px;color:var(--muted)}
.nav ul a:hover,.nav ul a[aria-current]{color:var(--ink);background:var(--glass-edge)}
.nav .cv{display:block;padding:8px 18px;border-radius:999px;text-decoration:none;font-size:15px;font-weight:560;background:var(--ink);color:var(--bg)!important}

/* buttons */
.actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 24px;border-radius:999px;font-weight:580;font-size:16px;text-decoration:none;border:1.5px solid var(--ink);transition:transform .2s}
.btn.primary{background:var(--ink);color:var(--bg)}
.btn:hover{transform:translateY(-2px)}

/* sections */
.section{padding-block:72px 48px;border-top:1px solid var(--rule)}
.section>h2,.sec-h{font-stretch:80%;font-weight:640;font-size:clamp(28px,3.4vw,40px);line-height:1.05;letter-spacing:-.01em;margin-bottom:12px}
.lead{font-size:19px;color:var(--muted);max-width:40em}
.lead b{color:var(--ink);font-weight:560}

/* work list */
.case{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:36px;border-bottom:1px solid var(--rule);text-decoration:none}
.case .thumb{border-radius:24px;padding:clamp(10px,2vw,22px);background:var(--app);overflow:hidden;aspect-ratio:16/10;display:grid}
.case .thumb img{display:block;width:100%;height:100%;object-fit:cover;object-position:left top;border-radius:12px;border:1px solid var(--rule);box-shadow:0 30px 60px -36px var(--glass-shade);background:#fff;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.case:hover .thumb img{transform:scale(1.025)}
.case .body{display:grid;gap:14px;align-content:center}
.case .where{padding-top:0}
.case>*{min-width:0}
.case h3{font-stretch:76%;font-weight:640;font-size:40px;line-height:1;letter-spacing:-.01em;margin:0 0 10px;transition:color .2s}
.case p{color:var(--muted)}
.case .where{font-size:14px;color:var(--muted);padding-top:8px;display:grid;gap:6px;align-content:start}
.case .tag{justify-self:start;font-size:12px;font-weight:600;padding:2px 10px;border-radius:999px;background:var(--soft);color:var(--muted)}
.case .result{color:var(--ink)}
.case:hover h3{color:var(--signal)}
.case .arrow{display:inline-block;transition:transform .2s}
.case:hover .arrow{transform:translateX(4px)}
.peek{position:fixed;left:0;top:0;width:280px;height:180px;border-radius:18px;pointer-events:none;z-index:30;opacity:0;overflow:hidden}

.how{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 48px;margin-top:28px}
.how h3{font-stretch:88%;font-weight:620;font-size:20px;margin:0 0 6px}
.how p{color:var(--muted);max-width:32em}

footer.site{padding-block:56px 72px;border-top:1px solid var(--rule);display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px;color:var(--muted)}
footer.site .mail{color:var(--ink);font-weight:580;user-select:all}
footer.site nav{display:flex;flex-wrap:wrap;gap:8px 20px}
footer.site nav a{text-decoration:none}
footer.site nav a:hover{color:var(--ink)}

/* ---------- case study pages ---------- */
.cs-hero{padding-block:72px 40px;display:grid;gap:24px}
.cs-hero .back{justify-self:start;display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:560;color:var(--ink);text-decoration:none;padding:8px 16px;border-radius:999px;border:1.5px solid var(--rule);background:var(--surface);transition:border-color .2s,transform .2s}
.cs-hero .back:hover{border-color:var(--ink);transform:translateX(-2px)}
.cs-hero h1{font-stretch:68%;font-weight:640;font-size:clamp(48px,7vw,96px);line-height:.93;letter-spacing:-.02em;max-width:12em}
.cs-hero .sub{font-size:21px;color:var(--muted);max-width:36em}
.meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:22px 24px;border-radius:20px;margin-top:8px}
.meta div{display:grid;gap:2px;min-width:0}
.meta dt{font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.meta dd{margin:0;font-size:15.5px}
.tldr{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:8px}
.tldr>div{background:var(--surface);border:1px solid var(--rule);border-radius:18px;padding:20px 22px;display:grid;gap:6px;align-content:start;min-width:0}
.tldr b{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

.cs{display:grid;grid-template-columns:200px minmax(0,1fr);gap:56px;align-items:start;padding-block:24px 40px}
.toc{position:sticky;top:110px;display:grid;gap:2px;font-size:14px}
.toc a{color:var(--muted);text-decoration:none;padding:5px 12px;border-left:2px solid var(--rule)}
.toc a.on,.toc a:hover{color:var(--ink);border-left-color:var(--accent,var(--signal))}
.cs-body{display:grid;gap:88px;min-width:0}
.block{display:grid;gap:18px;min-width:0;scroll-margin-top:100px}
.block h2{font-stretch:80%;font-weight:640;font-size:clamp(28px,3.2vw,40px);line-height:1.05;letter-spacing:-.01em}
.block .kicker{font-size:13px;font-weight:600;color:var(--accent,var(--signal));letter-spacing:.08em}
.block p{max-width:40em;color:var(--muted)}
.block p b{color:var(--ink);font-weight:580}
.block ul.list{margin:0;padding-left:20px;display:grid;gap:8px;max-width:42em;color:var(--muted)}
.block ul.list b{color:var(--ink);font-weight:580}
.pull{font-stretch:78%;font-weight:600;font-size:clamp(24px,2.6vw,32px);line-height:1.2;max-width:24em;border-left:3px solid var(--accent,var(--signal));padding-left:20px;color:var(--ink)}

.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--rule);border-radius:18px;padding:20px 22px;display:grid;gap:8px;align-content:start;min-width:0}
.card h3{font-stretch:88%;font-weight:620;font-size:18px}
.card p{font-size:15.5px}
.stat{display:grid;gap:2px}
.stat b{font-stretch:72%;font-weight:640;font-size:44px;line-height:1;color:var(--ink)}
.stat>span{font-size:14px;color:var(--muted)}
.stat b span{font:inherit;color:inherit}
.src{font-size:12.5px;color:var(--muted)}

/* decision cards */
.decision{background:var(--surface);border:1px solid var(--rule);border-radius:18px;padding:22px 24px;display:grid;gap:10px;min-width:0}
.decision header{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;align-items:center}
.decision h3{font-stretch:88%;font-weight:620;font-size:19px}
.decision .vs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.decision .vs div{border-radius:12px;padding:12px 14px;background:var(--soft);font-size:15px;color:var(--muted);min-width:0}
.decision .vs div b{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:2px}
.decision .vs .chose b{color:var(--ok)} .decision .vs .not b{color:var(--muted)}
.status{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px}
.st-live{background:var(--ok-bg);color:var(--ok)} .st-prop{background:var(--signal-soft);color:var(--signal)} .st-rej{background:var(--soft);color:var(--muted);border:1px solid var(--rule)} .st-app{background:var(--wait-bg);color:var(--wait)}

/* figure frame */
.fig{margin:0;display:grid;gap:12px;min-width:0}
.fig figcaption{font-size:14px;color:var(--muted);max-width:44em}
.stage{position:relative;border-radius:24px;overflow:hidden;padding:32px;background:var(--app)}
.stage.plain{background:var(--soft)}
.blob{position:absolute;border-radius:50%;filter:blur(10px);opacity:.8;pointer-events:none}

/* mini app chrome */
.win{position:relative;z-index:1;border-radius:16px;overflow:hidden;background:var(--surface);border:1px solid var(--rule);box-shadow:0 30px 60px -36px var(--glass-shade)}
.win-top{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--rule);font-size:13px;color:var(--muted)}
.win-top i{width:9px;height:9px;border-radius:50%;background:var(--rule)}
.scroll-x{overflow-x:auto;min-width:0}
table.t{width:100%;border-collapse:collapse;font-size:12.5px;font-variant-numeric:tabular-nums}
table.t th{text-align:left;font-weight:600;color:var(--muted);padding:8px 12px;white-space:nowrap;background:var(--soft)}
table.t td{padding:6px 12px;border-top:1px solid var(--rule);white-space:nowrap}
.num{text-align:right}
.pill{display:inline-block;padding:1px 9px;border-radius:999px;font-size:11.5px;font-weight:560}
.ok{background:var(--ok-bg);color:var(--ok)} .wait{background:var(--wait-bg);color:var(--wait)} .info{background:var(--signal-soft);color:var(--signal)} .hot{background:var(--hot-bg);color:var(--hot)}

/* next project */
.next{display:grid;grid-template-columns:1fr auto;align-items:end;gap:24px;padding-block:56px;border-top:1px solid var(--rule);text-decoration:none}
.next span{font-size:14px;color:var(--muted)}
.next h3{font-stretch:72%;font-weight:640;font-size:clamp(40px,6vw,72px);line-height:1;letter-spacing:-.02em;transition:color .2s}
.next:hover h3{color:var(--signal)}
.next .go{font-size:40px}

/* reveal */
.rv{will-change:transform,opacity}

@media (max-width:920px){
  .case{grid-template-columns:1fr;gap:20px}
  .how{grid-template-columns:1fr}
  .peek{display:none}
  .cs{grid-template-columns:1fr;gap:24px}
  .toc{display:none}
  .meta{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tldr,.grid3{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
  .stage{padding:18px 12px}
  .decision .vs{grid-template-columns:1fr}
  .cs-hero{padding-block:40px 24px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* asset slot: a real project asset goes here (preview only, never ship empty) */
.slot{min-height:300px;border-radius:24px;border:2px dashed var(--rule);background:var(--soft);display:grid;place-content:center;justify-items:center;gap:8px;padding:32px;text-align:center;color:var(--muted)}
.slot b{font-size:18px;font-weight:620;color:var(--ink)}
.slot span{font-size:14px;max-width:34em}
.slot .slot-tag{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:999px;background:var(--wait-bg);color:var(--wait)}
.label-src{font-size:12.5px;color:var(--muted)}
.shot-stage{position:relative;border-radius:24px;padding:clamp(10px,2.4vw,28px);background:var(--app);overflow:hidden}
.shot{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--rule);box-shadow:0 30px 60px -36px var(--glass-shade);position:relative;z-index:1;background:#fff}
.shot-pair{display:grid;grid-template-columns:minmax(0,.55fr) minmax(0,1fr);gap:16px;align-items:center}
@media (max-width:920px){.shot-pair{grid-template-columns:1fr}}
.trio{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(0,.7fr) minmax(0,.7fr);gap:14px;align-items:center}
@media (max-width:920px){.trio{grid-template-columns:1fr 1fr}.trio>:first-child{grid-column:1/-1}}

@media (max-width:820px){
  .nav .menu{display:inline-block}
  .nav .links{display:none;position:absolute;left:0;right:0;top:calc(100% + 8px);flex-direction:column;gap:2px;padding:10px;border-radius:24px;background:var(--surface);border:1px solid var(--rule);box-shadow:0 30px 60px -30px var(--glass-shade);margin:0}
  .nav.open .links{display:flex}
  .nav .links a{padding:12px 16px;font-size:16px;color:var(--ink)}
}
[id]{scroll-margin-top:96px}