/* ILYAS — personal site. Tokens first; everything else reads from them. */
:root {
  --bg: #0b0c0e; --bg2: #101216; --card: #13151a; --card2: #181b21;
  --line: rgba(255,255,255,.07); --line2: rgba(255,255,255,.14);
  --tx: #ecebe7; --mut: #9a9da3; --dim: #63666d;
  --acc: #8be9a8; --acc-soft: rgba(139,233,168,.12); --acc-ink: #07110a;
  --crit: #ff7b6e; --high: #f3c06b;
  --grid: rgba(255,255,255,.035);
  --r: 14px; --r2: 22px;
  --sans: "Geist", "Inter", system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --ar: "IBM Plex Sans Arabic", "Geist", system-ui, sans-serif;
  --fs: 16px;
  --gut: clamp(16px, 4vw, 56px);
  --max: 1240px;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f3f1eb; --bg2: #ebe8e0; --card: #fbfaf6; --card2: #f1eee7;
  --line: rgba(20,20,20,.08); --line2: rgba(20,20,20,.16);
  --tx: #141414; --mut: #5d5d5a; --dim: #8c8b86;
  --acc-ink: #fff; --grid: rgba(20,20,20,.045);
  color-scheme: light;
}
@media (prefers-color-scheme: light) {
  :root[data-theme="system"] {
    --bg: #f3f1eb; --bg2: #ebe8e0; --card: #fbfaf6; --card2: #f1eee7;
    --line: rgba(20,20,20,.08); --line2: rgba(20,20,20,.16);
    --tx: #141414; --mut: #5d5d5a; --dim: #8c8b86;
    --acc-ink: #fff; --grid: rgba(20,20,20,.045);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { font-size: var(--fs); scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--tx);
  font: 400 1rem/1.6 var(--sans); letter-spacing: -.005em;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
:root[lang="ar"] body { font-family: var(--ar); letter-spacing: 0; }
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 85%);
}
:root[data-grid="off"] body::before { display: none; }
body::after {
  content: ""; position: fixed; z-index: -1; pointer-events: none;
  width: 70vw; height: 50vh; top: -20vh; inset-inline-end: -20vw;
  background: radial-gradient(closest-side, var(--acc-soft), transparent);
  filter: blur(20px); opacity: .8;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
img { display: block; max-width: 100%; }
::selection { background: var(--acc); color: var(--acc-ink); }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 6px; }
.mono { font-family: var(--mono); letter-spacing: 0; }
.muted { color: var(--mut); }
.wrap { width: min(100% - 2 * var(--gut), var(--max)); margin-inline: auto; }
code { font-family: var(--mono); font-size: .88em; background: var(--card2); border: 1px solid var(--line); padding: .08em .38em; border-radius: 6px; }

/* ───── top bar ───── */
.bar {
  position: fixed; inset: 0 0 auto; z-index: 40; height: 64px;
  display: flex; align-items: center; gap: 20px; padding-inline: var(--gut);
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.bar.solid { background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); border-color: var(--line); }
.mark { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: .02em; }
.mark svg { width: 28px; height: 28px; }
.mark small { font: 500 11px var(--mono); color: var(--dim); letter-spacing: .06em; }
.nav { display: flex; gap: 4px; margin-inline: auto; }
.nav a { font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--mut); padding: 8px 12px; border-radius: 999px; transition: color .2s, background .2s; }
.nav a:hover, .nav a.on { color: var(--tx); background: var(--line); }
:root[lang="ar"] .nav a { font: 500 13px var(--ar); letter-spacing: 0; }
.bar-r { display: flex; align-items: center; gap: 8px; margin-inline-start: auto; }
.nav + .bar-r { margin-inline-start: 0; }
.clock { font-size: 12px; color: var(--dim); padding-inline-end: 6px; white-space: nowrap; }
.kbtn, .ibtn {
  height: 36px; display: inline-flex; align-items: center; gap: 6px; padding: 0 10px;
  border: 1px solid var(--line2); border-radius: 999px; color: var(--mut); transition: color .2s, border-color .2s, background .2s;
}
.ibtn { width: 36px; justify-content: center; padding: 0; }
.kbtn:hover, .ibtn:hover { color: var(--tx); border-color: var(--tx); }
.ibtn svg { width: 17px; height: 17px; }
kbd { font: 500 11px var(--mono); padding: 2px 6px; border-radius: 6px; background: var(--line); border: 1px solid var(--line); }

/* ───── hero ───── */
.hero { padding: clamp(120px, 18vh, 180px) 0 40px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; color: var(--mut); text-transform: uppercase; letter-spacing: .1em; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 0 4px var(--acc-soft); animation: pulse 2.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px transparent; } }
.display {
  font-weight: 600; font-size: clamp(46px, 8.6vw, 128px); line-height: .94; letter-spacing: -.05em;
  margin: 28px 0 0; text-wrap: balance;
}
.display em { font-style: normal; color: var(--acc); }
:root[lang="ar"] .display { letter-spacing: 0; line-height: 1.15; font-weight: 700; font-size: clamp(40px, 7.4vw, 108px); }
.hero-grid { display: grid; grid-template-columns: 1fr minmax(0, 520px); gap: clamp(28px, 5vw, 80px); margin-top: clamp(40px, 7vh, 72px); align-items: end; }
.who .name { font-size: 20px; font-weight: 600; margin: 0 0 6px; }
.who p { margin: 0 0 4px; }
.intro { margin-top: 22px !important; max-width: 52ch; color: var(--mut); font-size: 1.04rem; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; height: 46px; padding: 0 20px;
  border-radius: 999px; background: var(--tx); color: var(--bg); font-weight: 600; font-size: .95rem;
  transition: transform .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); background: var(--acc); color: var(--acc-ink); }
.btn.ghost { background: transparent; color: var(--tx); border: 1px solid var(--line2); }
.btn.ghost:hover { border-color: var(--acc); color: var(--acc); background: transparent; }
.btn svg { width: 16px; height: 16px; }
:root[dir="rtl"] .btn svg.arr, :root[dir="rtl"] .arr { transform: scaleX(-1); }

/* terminal */
.term { border: 1px solid var(--line2); border-radius: var(--r2); background: color-mix(in srgb, var(--card) 88%, transparent); overflow: hidden; box-shadow: 0 30px 80px -40px rgba(0,0,0,.6); direction: ltr; text-align: left; }
.term-h { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); font: 12px var(--mono); color: var(--dim); }
.term-h i { width: 10px; height: 10px; border-radius: 50%; background: var(--line2); }
.term-h span { margin-inline-start: auto; }
.term-b { padding: 18px 18px 22px; font: 13px/1.75 var(--mono); min-height: 248px; color: var(--mut); white-space: pre-wrap; word-break: break-word; }
.term-b .p { color: var(--acc); }
.term-b .c { color: var(--tx); }
.term-b .cur { display: inline-block; width: 8px; height: 15px; background: var(--acc); vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: clamp(56px, 9vh, 96px); border-top: 1px solid var(--line); }
.stat { padding: 22px 0 0; border-inline-end: 1px solid var(--line); padding-inline: 0 20px; }
.stat + .stat { padding-inline-start: 20px; }
.stat:last-child { border: 0; }
.stat b { display: block; font-size: clamp(30px, 4vw, 48px); font-weight: 600; letter-spacing: -.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat span { font: 12px var(--mono); color: var(--mut); text-transform: uppercase; letter-spacing: .08em; }
:root[lang="ar"] .stat span { font: 13px var(--ar); letter-spacing: 0; }

/* ───── sections ───── */
.sec { padding: clamp(80px, 13vh, 150px) 0 0; }
.sec-h { display: grid; grid-template-columns: 120px 1fr auto; align-items: end; gap: 20px; margin-bottom: clamp(32px, 5vh, 56px); }
.idx { font: 13px var(--mono); color: var(--dim); padding-bottom: 12px; }
.sec-h h2 { margin: 0; font-size: clamp(36px, 5.4vw, 72px); font-weight: 600; letter-spacing: -.045em; line-height: 1; }
:root[lang="ar"] .sec-h h2 { letter-spacing: 0; line-height: 1.2; font-weight: 700; }
.sec-h .aside { font: 12px var(--mono); color: var(--mut); text-transform: uppercase; letter-spacing: .08em; padding-bottom: 12px; }
:root[lang="ar"] .sec-h .aside { font: 13px var(--ar); letter-spacing: 0; }

/* rows (currently building, history) */
.rows { border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 120px 1fr auto; gap: 20px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); transition: background .25s; }
.row h3 { margin: 0; font-size: clamp(24px, 3.2vw, 40px); font-weight: 600; letter-spacing: -.035em; line-height: 1.05; }
:root[lang="ar"] .row h3 { letter-spacing: 0; line-height: 1.3; }
.row p { margin: 8px 0 0; color: var(--mut); max-width: 64ch; }
.row .k { font: 12px var(--mono); color: var(--dim); }
.tag { display: inline-flex; align-items: center; gap: 8px; font: 500 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--mut); white-space: nowrap; }
.tag::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--dim); }
.tag.live::before { background: var(--acc); box-shadow: 0 0 0 3px var(--acc-soft); }
:root[lang="ar"] .tag { font: 500 12px var(--ar); letter-spacing: 0; }
a.row:hover h3 { color: var(--acc); }

/* why */
.why-grid { display: grid; grid-template-columns: 120px 1fr; gap: 20px; }
@media (max-width: 680px) { .why-grid { grid-template-columns: 1fr; } .why-grid > span { display: none; } }
.why { font-size: clamp(22px, 2.6vw, 34px); line-height: 1.38; letter-spacing: -.02em; font-weight: 500; max-width: 30em; margin: 0; text-wrap: pretty; }
.why span { color: var(--mut); }
:root[lang="ar"] .why { letter-spacing: 0; line-height: 1.75; }
.why-sig { margin-top: 28px; font: 13px var(--mono); color: var(--dim); }

/* cases */
.cases { display: grid; gap: 22px; }
.case {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 0;
  border: 1px solid var(--line); border-radius: var(--r2); overflow: hidden; background: var(--card);
  transition: border-color .3s, transform .3s; cursor: pointer; text-align: start;
}
.case:hover { border-color: var(--line2); transform: translateY(-3px); }
.case-img { position: relative; background: #000; min-height: 340px; overflow: hidden; }
.case-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1s cubic-bezier(.2,.7,.2,1), opacity .4s; }
.case:hover .case-img img { transform: scale(1.04); }
.case-b { padding: clamp(24px, 3vw, 40px); display: flex; flex-direction: column; }
.case-b .k { font: 12px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .08em; }
.case-b h3 { margin: 14px 0 10px; font-size: clamp(26px, 2.8vw, 38px); line-height: 1.05; letter-spacing: -.035em; font-weight: 600; }
:root[lang="ar"] .case-b h3 { letter-spacing: 0; line-height: 1.35; }
.case-b > p { color: var(--mut); margin: 0 0 22px; }
.case-dl { margin: auto 0 0; display: grid; gap: 14px; border-top: 1px solid var(--line); padding-top: 20px; }
.case-dl div { display: grid; grid-template-columns: 110px 1fr; gap: 14px; }
.case-dl dt { font: 11px var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--dim); padding-top: 3px; }
:root[lang="ar"] .case-dl dt { font: 12px var(--ar); letter-spacing: 0; }
.case-dl dd { margin: 0; font-size: .95rem; }
.case-more { margin-top: 22px; font: 12px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--acc); display: inline-flex; gap: 8px; align-items: center; }
:root[lang="ar"] .case-more { font: 600 13px var(--ar); letter-spacing: 0; }
.case-more svg, .vlinks svg, .links svg { width: 16px; height: 16px; flex: none; }
.links svg { width: 22px; height: 22px; }
.case:nth-child(even) { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
.case:nth-child(even) .case-img { order: 2; }

/* archive */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip {
  height: 34px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line2); color: var(--mut);
  font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; display: inline-flex; align-items: center; gap: 8px;
  transition: color .2s, border-color .2s, background .2s;
}
.chip small { color: var(--dim); }
.chip:hover { color: var(--tx); border-color: var(--tx); }
.chip.on { background: var(--tx); color: var(--bg); border-color: var(--tx); }
.chip.on small { color: inherit; opacity: .6; }
:root[lang="ar"] .chip { font: 500 13px var(--ar); letter-spacing: 0; }
.search { flex: 1 1 220px; max-width: 320px; margin-inline-start: auto; height: 34px; border-radius: 999px; border: 1px solid var(--line2); background: transparent; color: var(--tx); padding: 0 14px; font: 13px var(--mono); }
:root[lang="ar"] .search { font-family: var(--ar); }
.search::placeholder { color: var(--dim); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: 18px; }
.card {
  text-align: start; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--card);
  display: flex; flex-direction: column; transition: border-color .25s, transform .25s; animation: rise .5s both;
}
.card:hover { border-color: var(--line2); transform: translateY(-3px); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
.card-img { aspect-ratio: 16 / 10; background: #000; position: relative; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.card:hover .card-img img { transform: scale(1.05); }
.card-img .n { position: absolute; inset-block-start: 10px; inset-inline-end: 10px; font: 11px var(--mono); padding: 3px 8px; border-radius: 999px; background: rgba(0,0,0,.6); color: #fff; }
.card-img.code { display: grid; place-items: center; background: var(--card2); color: var(--dim); font: 12px/1.7 var(--mono); padding: 20px; direction: ltr; text-align: left; white-space: pre; }
.card-b { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-b .k { font: 11px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .08em; display: flex; justify-content: space-between; gap: 8px; }
:root[lang="ar"] .card-b .k { font: 12px var(--ar); letter-spacing: 0; }
.card-b h4 { margin: 0; font-size: 1.06rem; font-weight: 600; letter-spacing: -.015em; line-height: 1.3; }
.card-b p { margin: 0; color: var(--mut); font-size: .9rem; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.srcs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 10px; }
.src { font: 10.5px var(--mono); color: var(--mut); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; }
.more { display: flex; justify-content: center; margin-top: 30px; }
.empty { padding: 50px 0; text-align: center; color: var(--mut); font: 13px var(--mono); }

/* research table */
.table { border-top: 1px solid var(--line); }
.thead, .tr { display: grid; grid-template-columns: 110px 150px 1fr 40px; gap: 20px; align-items: start; }
.thead { font: 11px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; padding: 14px 0; border-bottom: 1px solid var(--line); }
:root[lang="ar"] .thead { font: 12px var(--ar); letter-spacing: 0; }
.tr { padding: 26px 0; border-bottom: 1px solid var(--line); cursor: pointer; text-align: start; width: 100%; }
.tr .y { font: 13px var(--mono); color: var(--mut); padding-top: 4px; }
.tr h4 { margin: 0; font-size: clamp(19px, 2vw, 24px); font-weight: 600; letter-spacing: -.02em; line-height: 1.25; transition: color .2s; }
:root[lang="ar"] .tr h4 { letter-spacing: 0; line-height: 1.5; }
.tr p { margin: 8px 0 0; color: var(--mut); max-width: 70ch; }
.tr:hover h4 { color: var(--acc); }
.tr .go { color: var(--dim); padding-top: 4px; transition: transform .2s, color .2s; }
.tr:hover .go { color: var(--acc); transform: translateX(4px); }
:root[dir="rtl"] .tr:hover .go { transform: translateX(-4px) scaleX(-1); }
:root[dir="rtl"] .tr .go { transform: scaleX(-1); }
.pill { display: inline-flex; align-items: center; gap: 6px; font: 500 10.5px var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 4px 9px; border-radius: 999px; border: 1px solid var(--line2); color: var(--mut); margin-top: 2px; }
.pill.crit { color: var(--crit); border-color: color-mix(in srgb, var(--crit) 45%, transparent); background: color-mix(in srgb, var(--crit) 10%, transparent); }
.pill.high { color: var(--high); border-color: color-mix(in srgb, var(--high) 45%, transparent); background: color-mix(in srgb, var(--high) 10%, transparent); }
.pill.acc { color: var(--acc); border-color: color-mix(in srgb, var(--acc) 40%, transparent); }

/* principles */
.princ { counter-reset: p; border-top: 1px solid var(--line); }
.pr { display: grid; grid-template-columns: 120px minmax(0, 1fr) minmax(0, 1.2fr); gap: 20px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.pr .k { font: 13px var(--mono); color: var(--dim); }
.pr h3 { margin: 0; font-size: clamp(22px, 2.4vw, 32px); font-weight: 600; letter-spacing: -.03em; line-height: 1.1; }
:root[lang="ar"] .pr h3 { letter-spacing: 0; line-height: 1.4; }
.pr p { margin: 0; color: var(--mut); }

/* history */
.hrow { grid-template-columns: 56px 1fr auto; }
.logo { width: 44px; height: 44px; border-radius: 12px; overflow: hidden; background: var(--card2); border: 1px solid var(--line); }
.logo img { width: 100%; height: 100%; object-fit: cover; }
.hrow h3 { font-size: clamp(20px, 2.2vw, 28px); }
.hrow .role { color: var(--tx); font-weight: 500; }

/* toolbox */
.tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.tool { padding: 24px 20px 26px 0; border-inline-end: 1px solid var(--line); }
.tool + .tool { padding-inline-start: 20px; }
.tool:last-child { border: 0; }
.tool h5 { margin: 0 0 14px; font: 12px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; }
:root[lang="ar"] .tool h5 { font: 13px var(--ar); letter-spacing: 0; }
.tool ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.tool li { font-size: .98rem; }

/* contact */
.end { padding-bottom: 40px; }
.big { font-size: clamp(44px, 8vw, 120px); font-weight: 600; letter-spacing: -.05em; line-height: .95; margin: 0 0 clamp(40px, 6vh, 64px); text-wrap: balance; }
:root[lang="ar"] .big { letter-spacing: 0; line-height: 1.2; font-weight: 700; }
.links { border-top: 1px solid var(--line); }
.links a { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); font-size: clamp(20px, 2.4vw, 30px); font-weight: 500; letter-spacing: -.02em; transition: color .2s, padding .3s; }
.links a span { font: 12px var(--mono); color: var(--dim); letter-spacing: .04em; }
.links a:hover { color: var(--acc); padding-inline: 10px; }
.links svg { width: 22px; height: 22px; flex: none; }
footer { margin-top: 90px; padding: 28px 0 40px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 14px 30px; justify-content: space-between; font: 12px var(--mono); color: var(--dim); }
:root[lang="ar"] footer { font-family: var(--ar); }

/* ───── overlays ───── */
.ov { position: fixed; inset: 0; z-index: 60; display: none; }
.ov.open { display: block; }
.ov-bg { position: absolute; inset: 0; background: rgba(5,6,8,.72); animation: fade .25s both; }
@keyframes fade { from { opacity: 0; } }
.x { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line2); display: grid; place-items: center; color: var(--mut); background: var(--card); transition: color .2s, border-color .2s; }
.x:hover { color: var(--tx); border-color: var(--tx); }
.x svg { width: 16px; height: 16px; }

/* viewer */
.vw { position: absolute; inset: clamp(0px, 3vw, 36px); display: grid; grid-template-columns: minmax(0, 1fr) 420px; background: var(--bg); border: 1px solid var(--line2); border-radius: var(--r2); overflow: hidden; animation: pop .35s cubic-bezier(.2,.8,.2,1) both; }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.985); } }
.vw-media { position: relative; background: #000; display: flex; flex-direction: column; min-height: 0; }
.vw-main { position: relative; flex: 1; min-height: 0; display: grid; place-items: center; }
.vw-main img { max-width: 100%; max-height: 100%; object-fit: contain; }
.vw-nav { position: absolute; top: 50%; translate: 0 -50%; width: 44px; height: 44px; border-radius: 50%; background: rgba(0,0,0,.55); color: #fff; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.15); }
.vw-nav.p { inset-inline-start: 14px; } .vw-nav.n { inset-inline-end: 14px; }
.vw-nav svg { width: 18px; height: 18px; }
:root[dir="rtl"] .vw-nav svg { transform: scaleX(-1); }
.vw-count { position: absolute; inset-block-start: 14px; inset-inline-start: 14px; font: 12px var(--mono); color: #fff; background: rgba(0,0,0,.55); padding: 4px 10px; border-radius: 999px; }
.thumbs { display: flex; gap: 8px; padding: 10px; overflow-x: auto; background: #050505; scrollbar-width: thin; }
.thumbs button { flex: none; width: 92px; aspect-ratio: 16/10; border-radius: 8px; overflow: hidden; opacity: .45; border: 1px solid transparent; transition: opacity .2s, border-color .2s; }
.thumbs button.on { opacity: 1; border-color: var(--acc); }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }
.vw-info { overflow-y: auto; padding: 28px 28px 34px; border-inline-start: 1px solid var(--line); }
.vw-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.vw-info h3 { margin: 0 0 10px; font-size: 30px; line-height: 1.08; letter-spacing: -.035em; font-weight: 600; }
:root[lang="ar"] .vw-info h3 { letter-spacing: 0; line-height: 1.4; }
.vw-info .lead { color: var(--tx); font-size: 1.04rem; margin: 0 0 16px; }
.vw-info p { color: var(--mut); }
.vw-info h6 { margin: 26px 0 10px; font: 11px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; }
:root[lang="ar"] .vw-info h6 { font: 12px var(--ar); letter-spacing: 0; }
.vw-info ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.vw-info li { display: flex; gap: 10px; }
.vw-info li::before { content: "→"; color: var(--acc); font-family: var(--mono); }
:root[dir="rtl"] .vw-info li::before { content: "←"; }
.stackc { display: flex; flex-wrap: wrap; gap: 6px; }
.vlinks { display: grid; gap: 8px; margin-top: 8px; }
.vlinks a { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border: 1px solid var(--line2); border-radius: 12px; font-weight: 500; transition: border-color .2s, color .2s; }
.vlinks a:hover { border-color: var(--acc); color: var(--acc); }
.vlinks svg { width: 16px; height: 16px; }

/* reader */
.rd { position: absolute; inset: 0; overflow-y: auto; background: var(--bg); animation: fade .3s both; }
.rd-bar { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px var(--gut); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.rd-bar .mono { font-size: 12px; color: var(--dim); }
.rd-bar .acts { display: flex; gap: 8px; }
.art { width: min(100% - 2 * var(--gut), 760px); margin: 0 auto; padding: 64px 0 120px; }
.art .meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; font: 12px var(--mono); color: var(--dim); }
.art h1 { font-size: clamp(32px, 4.6vw, 54px); line-height: 1.05; letter-spacing: -.04em; margin: 22px 0 18px; font-weight: 600; }
:root[lang="ar"] .art h1 { letter-spacing: 0; line-height: 1.35; }
.art .lead { font-size: 1.2rem; color: var(--tx); }
.art p, .art li { color: color-mix(in srgb, var(--tx) 78%, var(--bg)); font-size: 1.05rem; line-height: 1.75; }
.art h2 { margin: 48px 0 10px; font-size: 26px; letter-spacing: -.025em; }
:root[lang="ar"] .art h2 { letter-spacing: 0; }
.art ul { padding-inline-start: 1.2em; }
.art li { margin: 6px 0; }
.code { position: relative; direction: ltr; text-align: left; margin: 20px 0; background: #0a0b0d; color: #d9dadc; border: 1px solid var(--line2); border-radius: 14px; padding: 38px 18px 18px; overflow-x: auto; font: 13px/1.65 var(--mono); }
.code::before { content: attr(data-lang); position: absolute; top: 10px; left: 16px; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: #6c6f75; }
.code code { background: none; border: 0; padding: 0; font-size: inherit; }
.code .cm { color: #6f7680; } .code .st { color: #a5e3b6; } .code .kw { color: #f2a7c4; }
.copy { position: absolute; top: 8px; right: 8px; font: 11px var(--mono); color: #8a8d93; border: 1px solid rgba(255,255,255,.12); border-radius: 8px; padding: 3px 9px; }
.copy:hover { color: #fff; }
.callout { border: 1px solid var(--line2); border-inline-start: 3px solid var(--acc); background: var(--card); border-radius: 12px; padding: 16px 18px; margin: 24px 0; line-height: 1.7; }
.callout.crit { border-inline-start-color: var(--crit); }
.art .src-line { margin-top: 60px; padding-top: 22px; border-top: 1px solid var(--line); font: 12px var(--mono); color: var(--dim); }

/* palette */
.pal { position: absolute; top: 12vh; left: 50%; translate: -50% 0; width: min(640px, calc(100% - 32px)); background: var(--card); border: 1px solid var(--line2); border-radius: 18px; overflow: hidden; box-shadow: 0 40px 120px -30px rgba(0,0,0,.7); animation: pop .25s both; }
.pal input { width: 100%; height: 58px; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--tx); padding: 0 20px; font: 16px var(--sans); outline: none; }
:root[lang="ar"] .pal input { font-family: var(--ar); }
.pal-l { max-height: 52vh; overflow-y: auto; padding: 8px; }
.pal-g { font: 11px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; padding: 12px 12px 6px; }
:root[lang="ar"] .pal-g { font: 12px var(--ar); letter-spacing: 0; }
.pal-i { width: 100%; display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; text-align: start; color: var(--mut); }
.pal-i b { color: var(--tx); font-weight: 500; }
.pal-i small { margin-inline-start: auto; font: 11px var(--mono); color: var(--dim); }
.pal-i.on { background: var(--line); }
.pal-i.on b { color: var(--acc); }
.pal-f { display: flex; gap: 16px; padding: 10px 16px; border-top: 1px solid var(--line); font: 11px var(--mono); color: var(--dim); }

/* settings */
.st { position: absolute; top: 0; bottom: 0; inset-inline-end: 0; width: min(380px, 100%); background: var(--card); border-inline-start: 1px solid var(--line2); padding: 22px 24px 30px; overflow-y: auto; animation: slide .35s cubic-bezier(.2,.8,.2,1) both; }
@keyframes slide { from { transform: translateX(30px); opacity: 0; } }
:root[dir="rtl"] .st { animation-name: slideR; }
@keyframes slideR { from { transform: translateX(-30px); opacity: 0; } }
.st-h { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.st-h h3 { margin: 0; font-size: 20px; }
.opt { padding: 18px 0; border-top: 1px solid var(--line); }
.opt label, .opt .lb { display: block; font: 11px var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 12px; }
:root[lang="ar"] .opt .lb { font: 12px var(--ar); letter-spacing: 0; }
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 4px; padding: 4px; border-radius: 12px; background: var(--bg2); border: 1px solid var(--line); }
.seg button { height: 36px; border-radius: 9px; color: var(--mut); font-size: .9rem; font-weight: 500; }
.seg button.on { background: var(--card); color: var(--tx); box-shadow: 0 1px 0 var(--line2), 0 4px 14px -6px rgba(0,0,0,.4); }
.seg .ar { font-family: var(--ar); }
.sw { display: flex; gap: 10px; }
.sw button { width: 34px; height: 34px; border-radius: 50%; background: var(--c); border: 2px solid transparent; outline: 1px solid var(--line2); outline-offset: 2px; }
.sw button.on { outline: 2px solid var(--tx); }
.tg { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.tg span { font-size: .95rem; }
.tg button { width: 44px; height: 26px; border-radius: 999px; background: var(--line2); position: relative; transition: background .2s; flex: none; }
.tg button::after { content: ""; position: absolute; top: 3px; inset-inline-start: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--tx); transition: inset-inline-start .2s; }
.tg button.on { background: var(--acc); }
.tg button.on::after { inset-inline-start: 21px; background: var(--acc-ink); }
.tg + .tg { margin-top: 14px; }
.st-note { margin-top: 18px; font: 12px var(--mono); color: var(--dim); }
.reset { margin-top: 14px; font: 12px var(--mono); color: var(--mut); text-decoration: underline; text-underline-offset: 3px; }

/* toast */
.toast { position: fixed; bottom: 24px; left: 50%; translate: -50% 0; z-index: 80; background: var(--tx); color: var(--bg); padding: 10px 16px; border-radius: 999px; font: 500 13px var(--mono); opacity: 0; transition: opacity .25s, transform .25s; transform: translateY(8px); pointer-events: none; }
.toast.show { opacity: 1; transform: none; }

/* reveal */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .8s, transform .8s cubic-bezier(.2,.7,.2,1); }
.rv.in { opacity: 1; transform: none; }
:root[data-motion="off"] *, :root[data-motion="off"] *::before, :root[data-motion="off"] *::after { animation: none !important; transition: none !important; }
:root[data-motion="off"] .rv { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; } * { animation-duration: .01ms !important; } }

/* ───── responsive ───── */
@media (max-width: 1080px) {
  .nav { display: none; }
  .vw { grid-template-columns: 1fr; grid-template-rows: minmax(0, 52%) 1fr; }
  .vw-info { border: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .case, .case:nth-child(even) { grid-template-columns: 1fr; }
  .case:nth-child(even) .case-img { order: 0; }
  .case-img { min-height: 0; aspect-ratio: 16 / 10; }
  .pr { grid-template-columns: 60px 1fr; }
  .pr p { grid-column: 2; }
  .tools { grid-template-columns: 1fr 1fr; }
  .tool:nth-child(2) { border: 0; }
  .tool:nth-child(3) { padding-inline-start: 0; }
  .tool:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 680px) {
  :root { --r2: 18px; }
  .bar { height: 58px; gap: 10px; }
  .clock, .kbtn kbd + kbd, .mark small { display: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2) { border: 0; }
  .stat:nth-child(3) { padding-inline-start: 0; }
  .stat:nth-child(n+3) { margin-top: 18px; border-top: 1px solid var(--line); }
  .stat + .stat { padding-inline-start: 0; }
  .stat:nth-child(even) { padding-inline-start: 20px; }
  .sec-h { grid-template-columns: 1fr; gap: 8px; }
  .sec-h .idx, .sec-h .aside { padding: 0; }
  .row { grid-template-columns: 1fr; gap: 10px; padding: 24px 0; }
  .row .k { order: -1; }
  .hrow { grid-template-columns: 44px 1fr; }
  .hrow .tag { grid-column: 2; }
  .thead { display: none; }
  .tr { grid-template-columns: 1fr; gap: 8px; }
  .tr .go { display: none; }
  .tr .y { padding: 0; display: flex; gap: 10px; align-items: center; }
  .pr { grid-template-columns: 1fr; gap: 10px; }
  .pr p { grid-column: auto; }
  .case-dl div { grid-template-columns: 1fr; gap: 4px; }
  .search { max-width: none; margin: 0; flex-basis: 100%; }
  .tools { grid-template-columns: 1fr; }
  .tool, .tool + .tool { padding-inline: 0; border-inline-end: 0; }
  .tool + .tool { border-top: 1px solid var(--line); }
  .vw { inset: 0; border-radius: 0; border: 0; grid-template-rows: auto 1fr; }
  .vw-main { aspect-ratio: 16 / 10; flex: none; }
  .thumbs button { width: 70px; }
  .vw-info { padding: 22px 18px 30px; }
  .links a { font-size: 20px; }
  .links a span { display: none; }
}