/* =========================================================
   ismat.live — bold / modern, full width
   ========================================================= */
:root {
  --bg: #09090b;
  --bg-2: #0f0f12;
  --card: #121216;
  --card-2: #18181d;
  --text: #f4f4f5;
  --text-2: #b4b4bd;
  --muted: #7a7a85;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .14);
  --blue: #4f8cff;
  --violet: #a855f7;
  --pink: #ec4899;
  --grad: linear-gradient(120deg, var(--blue), var(--violet) 55%, var(--pink));
  --glow-a: rgba(79, 140, 255, .35);
  --glow-b: rgba(168, 85, 247, .30);
  --glow-c: rgba(236, 72, 153, .18);
  --code-bg: #111115;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, .6);

  --display: "Manrope", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --gutter: clamp(20px, 5vw, 80px);
  --radius: 18px;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #fafafa;
  --bg-2: #f4f4f6;
  --card: #ffffff;
  --card-2: #f6f6f8;
  --text: #0b0b0f;
  --text-2: #3f3f46;
  --muted: #71717a;
  --line: rgba(10, 10, 20, .08);
  --line-2: rgba(10, 10, 20, .16);
  --blue: #2563eb;
  --violet: #7c3aed;
  --pink: #db2777;
  --glow-a: rgba(37, 99, 235, .18);
  --glow-b: rgba(124, 58, 237, .16);
  --glow-c: rgba(219, 39, 119, .10);
  --code-bg: #f4f4f6;
  --shadow: 0 20px 50px -24px rgba(20, 20, 40, .25);
  color-scheme: light;
}

:root[data-lang="en"] .uz, :root:not([data-lang="en"]) .en { display: none !important; }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--text);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
main { flex: 1; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: var(--display); margin: 0; line-height: 1.1; letter-spacing: -.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--violet); color: #fff; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; padding-left: var(--gutter); padding-right: var(--gutter); }
.label { font: 600 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: 14px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.empty { color: var(--muted); padding: 40px 0; font-size: 18px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { font: 800 22px/1 var(--display); letter-spacing: -.03em; }
.brand span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  padding: 8px 14px; border-radius: 999px; color: var(--text-2);
  font: 500 15px var(--sans); transition: color .2s, background-color .2s;
}
.nav a:hover { color: var(--text); background: var(--card-2); }
.nav a[aria-current] { color: var(--text); background: var(--card-2); }
.tools { display: flex; gap: 8px; }
.lang-toggle, .theme-toggle {
  height: 36px; min-width: 36px; padding: 0 10px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center; gap: 3px;
  background: var(--card); border: 1px solid var(--line); color: var(--text-2);
  font: 600 12px var(--mono); cursor: pointer; transition: border-color .2s, color .2s;
}
.lang-toggle:hover, .theme-toggle:hover { border-color: var(--line-2); color: var(--text); }
.lang-toggle b { font-weight: 600; opacity: .4; }
:root:not([data-lang="en"]) .lang-toggle b[data-l="uz"], :root[data-lang="en"] .lang-toggle b[data-l="en"] { opacity: 1; color: var(--text); }
.theme-toggle { padding: 0; }
.theme-toggle .moon { display: none; }
:root[data-theme="light"] .theme-toggle .moon { display: block; }
:root[data-theme="light"] .theme-toggle .sun { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 26px; border-radius: 999px;
  font: 600 16px var(--sans); border: 1px solid transparent; cursor: pointer;
  transition: transform .2s, box-shadow .2s, border-color .2s, background-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { box-shadow: 0 12px 40px -10px var(--glow-b); }
.btn-ghost { border-color: var(--line-2); background: color-mix(in srgb, var(--card) 60%, transparent); }
.btn-ghost:hover { border-color: var(--text-2); }

/* ---------- glow background ---------- */
.glow { position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.glow span {
  position: absolute; border-radius: 50%; filter: blur(80px);
  animation: float 18s ease-in-out infinite alternate;
}
.glow span:nth-child(1) { width: 46vw; height: 46vw; background: var(--glow-a); top: -18vw; right: -8vw; }
.glow span:nth-child(2) { width: 36vw; height: 36vw; background: var(--glow-b); top: 10vw; right: 22vw; animation-delay: -6s; }
.glow span:nth-child(3) { width: 28vw; height: 28vw; background: var(--glow-c); bottom: -10vw; left: 30vw; animation-delay: -12s; }
.glow.small span:nth-child(1) { width: 34vw; height: 34vw; top: -20vw; }
.glow.small span:nth-child(2) { width: 24vw; height: 24vw; top: -8vw; right: 30vw; }
@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-4vw, 3vw) scale(1.08); }
  100% { transform: translate(3vw, -2vw) scale(.96); }
}

/* subtle grid texture */
.hero::before, .page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 30%, transparent 75%);
  opacity: .6;
}

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: calc(100vh - 68px);
  display: flex; flex-direction: column; justify-content: center;
  margin: 0 calc(var(--gutter) * -1); padding: 80px var(--gutter) 120px;
  isolation: isolate;
}
.hero-inner { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 12px; border-radius: 999px;
  border: 1px solid var(--line-2); background: color-mix(in srgb, var(--card) 55%, transparent);
  font: 500 14px var(--sans); color: var(--text-2); margin-bottom: 36px;
}
.pulse { position: relative; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; flex: none; }
.pulse::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: #22c55e; animation: ping 2s cubic-bezier(0, 0, .2, 1) infinite; }
@keyframes ping { 75%, 100% { transform: scale(2.6); opacity: 0; } }
.hero-name {
  font: 800 clamp(60px, 12vw, 200px)/.9 var(--display);
  letter-spacing: -.055em; margin-left: -.04em;
}
.hero-name span { display: block; }
.hero-role {
  margin-top: 28px; font: 600 clamp(20px, 2.2vw, 30px)/1.3 var(--display);
  letter-spacing: -.02em; color: var(--text);
}
.hero-bio { margin-top: 14px; max-width: 54ch; color: var(--text-2); font-size: clamp(17px, 1.4vw, 20px); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.scroll-hint {
  position: absolute; left: 50%; bottom: 36px; z-index: 1; transform: translateX(-50%);
  width: 26px; height: 42px; border-radius: 999px; border: 1.5px solid var(--line-2);
}
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 4px; background: var(--text-2); animation: wheel 1.8s ease-in-out infinite; }
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

.rise { animation: rise .9s cubic-bezier(.16, 1, .3, 1) both; animation-delay: calc(var(--d, 0) * 100ms + 100ms); }
@keyframes rise { from { opacity: 0; transform: translateY(28px); filter: blur(6px); } }
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.16, 1, .3, 1), transform .8s cubic-bezier(.16, 1, .3, 1); transition-delay: calc(var(--i, 0) * 80ms); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- sections ---------- */
.section { padding: clamp(80px, 11vw, 160px) 0 0; }
.section.tight { padding-top: 24px; }
.sec-head {
  display: grid; grid-template-columns: auto 1fr auto; align-items: end; gap: 12px 28px;
  padding-bottom: 32px; margin-bottom: 40px; border-bottom: 1px solid var(--line);
}
.sec-num { font: 500 14px var(--mono); color: var(--muted); padding-bottom: .9em; }
.sec-title { font: 800 clamp(44px, 7vw, 112px)/.9 var(--display); letter-spacing: -.05em; }
.sec-lede { grid-column: 3; color: var(--text-2); max-width: 32ch; text-align: right; padding-bottom: .5em; }
.sec-link { grid-column: 3; display: inline-flex; align-items: center; gap: 8px; color: var(--text-2); font-weight: 500; padding-bottom: .6em; transition: color .2s; }
.sec-link:hover { color: var(--text); }

/* cards shared */
.card {
  position: relative; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line);
  transition: transform .4s cubic-bezier(.16, 1, .3, 1), border-color .3s, box-shadow .4s;
}
.card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: var(--grad); opacity: 0; transition: opacity .3s;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips li {
  font: 500 12.5px var(--mono); color: var(--text-2);
  padding: 5px 10px; border-radius: 8px; background: var(--card-2); border: 1px solid var(--line);
}

/* ---------- projects ---------- */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.proj { display: flex; flex-direction: column; overflow: hidden; }
.proj.is-featured { grid-column: span 2; }
.proj-cover {
  position: relative; aspect-ratio: 16 / 9; overflow: hidden;
  background: var(--card-2);
  border-bottom: 1px solid var(--line);
}
.proj.is-featured .proj-cover { aspect-ratio: 21 / 9; }
.proj-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.16, 1, .3, 1); }
.proj:hover .proj-cover img { transform: scale(1.04); }
/* cover rasmi yo'q kartalar: katta bo'sh fon o'rniga ixcham belgi */
.proj-mark {
  flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px;
  font: 800 26px/1 var(--display); letter-spacing: -.04em; color: #fff;
  background:
    radial-gradient(120% 120% at 0% 0%, hsl(var(--h) 90% 60%), transparent 70%),
    radial-gradient(120% 120% at 100% 100%, hsl(calc(var(--h) + 70) 90% 55%), transparent 70%),
    var(--card-2);
  border: 1px solid var(--line);
  transition: transform .4s cubic-bezier(.16, 1, .3, 1);
}
.proj:hover .proj-mark { transform: rotate(-6deg) scale(1.06); }
.proj.no-cover .proj-top { align-items: center; justify-content: flex-start; }
.proj.no-cover .proj-top h3 { flex: 1; min-width: 0; }
.proj.no-cover .proj-body { padding-top: 26px; }
.proj-body { padding: 24px 26px 26px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.proj-top { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.proj h3 { font-size: 26px; letter-spacing: -.03em; }
.proj.is-featured h3 { font-size: clamp(28px, 3vw, 40px); }
.stretched::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.proj-year { font: 500 13px var(--mono); color: var(--muted); }
.proj-status { font: 500 13px var(--mono); color: var(--blue); }
.proj-sum { color: var(--text-2); }
.proj-links { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 18px; margin-top: auto; padding-top: 6px; }
.proj-links a { display: inline-flex; align-items: center; gap: 5px; font: 500 14px var(--sans); color: var(--text-2); transition: color .2s; }
.proj-links a:hover { color: var(--text); }
.proj-links svg { transition: transform .2s; }
.proj-links a:hover svg { transform: translate(2px, -2px); }

/* ---------- experience ---------- */
.exp-layout { display: grid; grid-template-columns: minmax(280px, 5fr) 7fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.exp-side { position: sticky; top: 108px; display: grid; gap: 28px; }
.about p { font: 500 clamp(19px, 1.6vw, 24px)/1.5 var(--display); letter-spacing: -.01em; color: var(--text); }
.now-box { padding: 22px 24px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); }
.now-box .label { display: flex; align-items: center; gap: 10px; }
.now-box li { position: relative; padding-left: 20px; margin-top: 8px; color: var(--text-2); }
.now-box li::before { content: "→"; position: absolute; left: 0; color: var(--muted); }

.timeline { border-left: 1px solid var(--line); }
.timeline li { position: relative; display: grid; grid-template-columns: 170px 1fr; gap: 24px; padding: 0 0 44px 32px; }
.timeline li::before {
  content: ""; position: absolute; left: -6px; top: 8px; width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--line-2);
}
.timeline li.is-current::before { background: var(--blue); border-color: var(--blue); box-shadow: 0 0 0 5px color-mix(in srgb, var(--blue) 25%, transparent); }
.t-when { font: 500 14px/1.6 var(--mono); color: var(--muted); padding-top: 2px; }
.t-body h3 { font-size: 24px; letter-spacing: -.025em; }
.t-where { margin-top: 4px; font-weight: 500; }
.t-where { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; width: fit-content; }
.t-text { margin-top: 10px; color: var(--text-2); }
.skills { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; margin-top: 12px; padding-top: 36px; border-top: 1px solid var(--line); }

/* ---------- posts ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.post-card {
  position: relative; display: flex; flex-direction: column; gap: 12px;
  padding: 26px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line);
  transition: transform .4s cubic-bezier(.16, 1, .3, 1), border-color .3s, box-shadow .4s;
}
.post-card:hover { transform: translateY(-6px); border-color: var(--line-2); box-shadow: var(--shadow); }
.pc-cover { margin: -26px -26px 6px; aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; }
.pc-cover img { width: 100%; height: 100%; object-fit: cover; }
.pc-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font: 500 13px var(--mono); color: var(--muted); }
.pc-title { font: 700 22px/1.25 var(--display); letter-spacing: -.02em; }
.post-card:hover .pc-title { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pc-desc { color: var(--text-2); font-size: 15.5px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.pc-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; padding-top: 6px; font: 500 12.5px var(--mono); color: var(--muted); }
.badge { font: 700 10.5px var(--mono); padding: 2px 7px; border-radius: 6px; background: color-mix(in srgb, var(--blue) 18%, transparent); color: var(--blue); }

/* ---------- contact ---------- */
.contact-card {
  position: relative; overflow: hidden; isolation: isolate;
  padding: clamp(40px, 7vw, 110px); border-radius: calc(var(--radius) * 1.6);
  background: var(--card); border: 1px solid var(--line);
}
.contact-card::before {
  content: ""; position: absolute; z-index: -1; width: 60%; aspect-ratio: 1; right: -15%; top: -40%;
  background: radial-gradient(circle, var(--glow-b), transparent 65%);
}
.contact-card::after {
  content: ""; position: absolute; z-index: -1; width: 50%; aspect-ratio: 1; left: -10%; bottom: -50%;
  background: radial-gradient(circle, var(--glow-a), transparent 65%);
}
.contact-title { margin-top: 18px; font: 800 clamp(44px, 8vw, 128px)/.92 var(--display); letter-spacing: -.055em; max-width: 12ch; }
.contact-text { margin-top: 24px; max-width: 48ch; color: var(--text-2); font-size: clamp(17px, 1.4vw, 20px); }
.contact-mail {
  display: inline-flex; align-items: center; gap: 14px; margin-top: 40px;
  font: 700 clamp(22px, 3.4vw, 48px)/1.1 var(--display); letter-spacing: -.03em;
  border-bottom: 2px solid var(--line-2); padding-bottom: 8px; transition: border-color .3s, gap .3s;
}
.contact-mail:hover { border-color: var(--violet); gap: 20px; }
.socials { display: flex; gap: 10px; margin-top: 36px; }
.socials a {
  width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%;
  border: 1px solid var(--line-2); color: var(--text-2); transition: color .2s, border-color .2s, transform .2s;
}
.socials a:hover { color: var(--text); border-color: var(--text-2); transform: translateY(-3px); }

/* ---------- page hero (blog, lab, post) ---------- */
.page-hero {
  position: relative; isolation: isolate;
  margin: 0 calc(var(--gutter) * -1); padding: clamp(64px, 9vw, 130px) var(--gutter) 48px;
  border-bottom: 1px solid var(--line);
}
.page-hero > *:not(.glow) { position: relative; z-index: 1; }
.crumb { margin-bottom: 20px; font: 500 14px var(--mono); }
.crumb a { color: var(--muted); transition: color .2s; }
.crumb a:hover { color: var(--text); }
.page-title { font: 800 clamp(52px, 10vw, 160px)/.9 var(--display); letter-spacing: -.055em; max-width: 18ch; }
.post-hero .page-title { font-size: clamp(38px, 6vw, 88px); line-height: 1; letter-spacing: -.045em; max-width: 22ch; }
.page-lede { margin-top: 24px; max-width: 60ch; color: var(--text-2); font-size: clamp(17px, 1.5vw, 21px); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; }
.tags a {
  padding: 7px 14px; border-radius: 999px; font: 500 14px var(--sans); color: var(--text-2);
  background: color-mix(in srgb, var(--card) 70%, transparent); border: 1px solid var(--line);
  transition: border-color .2s, color .2s;
}
.tags a small { color: var(--muted); font: 500 11px var(--mono); margin-left: 3px; }
.tags a:hover { border-color: var(--line-2); color: var(--text); }
.tags a[aria-current] { background: var(--text); color: var(--bg); border-color: var(--text); }
.tags a[aria-current] small { color: var(--bg); opacity: .6; }

.year-block { padding-top: 48px; }
.year-num { display: flex; align-items: baseline; gap: 12px; font: 800 40px var(--display); letter-spacing: -.04em; margin-bottom: 24px; }
.year-num small { font: 500 14px var(--mono); color: var(--muted); }

/* ---------- post ---------- */
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; font: 500 14px var(--mono); color: var(--muted); }
.post-meta a { color: var(--text-2); }
.post-meta a:hover { color: var(--text); }
.post-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: clamp(32px, 6vw, 96px); padding-top: 56px; }
.post-main { max-width: 74ch; }
.toc { position: sticky; top: 110px; align-self: start; padding-left: 20px; border-left: 1px solid var(--line); }
.toc li { margin: 8px 0; font-size: 14.5px; line-height: 1.4; }
.toc a { color: var(--muted); transition: color .2s; }
.toc a:hover, .toc a.active { color: var(--text); }
.cover { width: 100%; border-radius: var(--radius); margin-bottom: 40px; border: 1px solid var(--line); }

.prose { font-size: 18.5px; line-height: 1.8; color: var(--text-2); overflow-wrap: break-word; }
.prose > :first-child { margin-top: 0; }
.prose p, .prose ul, .prose ol, .prose blockquote, .prose pre, .prose table, .prose img { margin-top: 1.3em; }
.prose h2, .prose h3 { position: relative; color: var(--text); }
.prose h2 { font-size: clamp(26px, 2.6vw, 34px); margin-top: 2.2em; letter-spacing: -.03em; }
.prose h3 { font-size: 22px; margin-top: 1.8em; }
.prose .anchor { position: absolute; left: -1.1em; width: 1em; color: var(--muted); opacity: 0; font-weight: 400; transition: opacity .2s; }
.prose h2:hover .anchor, .prose h3:hover .anchor { opacity: 1; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { color: var(--text); text-decoration: underline; text-decoration-color: var(--violet); text-decoration-thickness: 1.5px; text-underline-offset: 4px; }
.prose ul { list-style: disc; padding-left: 1.3em; }
.prose ol { list-style: decimal; padding-left: 1.4em; }
.prose li { margin: .45em 0; }
.prose li::marker { color: var(--violet); }
.prose blockquote { padding: 6px 0 6px 24px; border-left: 3px solid; border-image: var(--grad) 1; color: var(--text); font-style: italic; }
.prose hr { border: 0; height: 1px; background: var(--line); margin: 3em 0; }
.prose img { border-radius: var(--radius); }
.prose table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
.prose th, .prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.prose th { color: var(--text); }
.prose :not(pre) > code { font: .84em var(--mono); color: var(--text); background: var(--card-2); border: 1px solid var(--line); padding: .15em .4em; border-radius: 6px; }
.prose pre {
  position: relative; padding: 20px 22px; overflow-x: auto;
  background: var(--code-bg); border: 1px solid var(--line); border-radius: 14px;
  font: 14.5px/1.65 var(--mono); color: var(--text);
}
.prose pre code { font: inherit; }
.prose pre .copy {
  position: absolute; top: 10px; right: 10px; opacity: 0;
  font: 500 12px var(--mono); color: var(--text-2); background: var(--card); border: 1px solid var(--line-2);
  border-radius: 8px; padding: 4px 10px; cursor: pointer; transition: opacity .2s;
}
.prose pre:hover .copy, .prose pre .copy:focus { opacity: 1; }

.subscribe {
  position: relative; overflow: hidden; margin-top: 64px; padding: 32px; border-radius: var(--radius);
  background: var(--card); border: 1px solid var(--line);
}
.subscribe::before { content: ""; position: absolute; width: 50%; aspect-ratio: 1; right: -15%; top: -60%; background: radial-gradient(circle, var(--glow-b), transparent 65%); pointer-events: none; }
.subscribe h2 { position: relative; font-size: 24px; }
.subscribe p { position: relative; margin-top: 8px; color: var(--text-2); }
.subscribe .sub-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.subscribe .btn { height: 44px; padding: 0 20px; font-size: 15px; }

.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.post-nav a { display: flex; flex-direction: column; gap: 4px; padding: 20px 22px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); transition: border-color .2s, transform .3s; }
.post-nav a:hover { border-color: var(--line-2); transform: translateY(-3px); }
.post-nav small { font: 500 12.5px var(--mono); color: var(--muted); }
.post-nav span { font: 700 17px/1.35 var(--display); }
.post-nav .next { grid-column: 2; text-align: right; }

/* ---------- lab ---------- */
.lab-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding-top: 56px; }
.hint { color: var(--text-2); margin-bottom: 18px; font-size: 15.5px; }
.lab code { font: .9em var(--mono); color: var(--blue); }
.term, .chat { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.term { background: #0b0b0e; color: #d4d4d8; font: 13.5px/1.6 var(--mono); }
.term:focus { outline: none; border-color: var(--line-2); }
.term-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid rgba(255, 255, 255, .07); }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; }
.term-bar i:nth-child(1) { background: #ff5f57; }
.term-bar i:nth-child(2) { background: #febc2e; }
.term-bar i:nth-child(3) { background: #28c840; }
.term-bar span { margin-left: auto; color: #71717a; font-size: 12px; }
.term-body { height: 420px; overflow-y: auto; padding: 16px 18px 0; white-space: pre-wrap; word-break: break-word; }
.term-body .cmd b { color: #4ade80; font-weight: 400; }
.term-body .out { color: #a1a1aa; margin-bottom: 10px; }
.term-body .hl, .term-body a { color: #93c5fd; }
.term-body .dim { color: #71717a; }
.term-line { display: flex; gap: 8px; padding: 8px 18px 16px; }
.term-line label { color: #4ade80; white-space: nowrap; }
.term-line input { flex: 1; min-width: 0; background: none; border: 0; outline: none; color: #fafafa; font: inherit; caret-color: #c084fc; }

.chat { background: var(--card); display: flex; flex-direction: column; }
.chat-log { height: 360px; overflow-y: auto; padding: 10px 22px; }
.msg { padding: 14px 0; border-bottom: 1px solid var(--line); }
.msg:last-child { border-bottom: 0; }
.msg .who { display: block; margin-bottom: 4px; font: 600 12px var(--mono); color: var(--muted); }
.msg.me .who { color: var(--blue); }
.msg.wait .txt { color: var(--muted); }
.msg .txt { white-space: pre-wrap; color: var(--text-2); }
.msg .note { display: block; margin-top: 8px; font: 12px var(--mono); color: var(--muted); }
.chat-hints { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 22px 16px; }
.chat-hints button { padding: 6px 13px; border-radius: 999px; border: 1px solid var(--line-2); background: none; color: var(--text-2); font: 13.5px var(--sans); cursor: pointer; transition: color .2s, border-color .2s; }
.chat-hints button:hover { color: var(--text); border-color: var(--text-2); }
.chat-form { display: flex; border-top: 1px solid var(--line); }
.chat-form input { flex: 1; min-width: 0; padding: 16px 22px; background: none; border: 0; outline: none; color: var(--text); font: inherit; }
.chat-form button { padding: 0 26px; border: 0; background: var(--text); color: var(--bg); font: 600 15px var(--sans); cursor: pointer; }
.chat-form button:disabled { opacity: .5; }

/* ---------- footer ---------- */
.site-footer { margin-top: clamp(80px, 10vw, 140px); border-top: 1px solid var(--line); }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-top: 28px; padding-bottom: 40px; color: var(--muted); font-size: 14.5px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer-links a { transition: color .2s; }
.footer-links a:hover { color: var(--text); }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .proj-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
  .post-layout { grid-template-columns: 1fr; }
  .toc { display: none; }
  .lab-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .exp-layout { grid-template-columns: 1fr; }
  .exp-side { position: static; }
  .sec-head { grid-template-columns: 1fr; }
  .sec-lede, .sec-link { grid-column: 1; text-align: left; padding-bottom: 0; }
  .sec-num { padding-bottom: 0; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav { display: none; }
  .tools { margin-left: auto; }
  .proj-grid, .post-grid { grid-template-columns: 1fr; }
  .proj.is-featured { grid-column: auto; }
  .proj.is-featured .proj-cover { aspect-ratio: 16 / 9; }
  .timeline li { grid-template-columns: 1fr; gap: 6px; padding-left: 24px; }
  .hero { padding-top: 56px; }
  .hero-eyebrow { margin-bottom: 28px; }
  .btn { height: 48px; padding: 0 22px; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav .next { grid-column: 1; }
  .prose { font-size: 17px; }
  .prose pre { margin-left: calc(var(--gutter) * -1); margin-right: calc(var(--gutter) * -1); border-radius: 0; border-left: 0; border-right: 0; }
  .prose .anchor { display: none; }
  .glow span { filter: blur(60px); }
  .contact-mail { display: flex; max-width: 100%; gap: 10px; margin-top: 32px; font-size: clamp(16px, 5vw, 24px); overflow-wrap: anywhere; }
  .contact-mail svg { flex: none; width: 22px; height: 22px; }
  .contact-mail:hover { gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise, .glow span, .pulse::after, .scroll-hint span { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}