/* ==========================================================================
   nayem-m.github.io — terminal / brutalist theme
   Themes: redteam (default) · phosphor · amber · mono  (data-theme on <html>)
   ========================================================================== */

:root {
  --bg: #0a0908;
  --bg-2: #110f0d;
  --panel: #141210;
  --ink: #f2ece4;
  --dim: #948b81;
  --mute: #5a534c;
  --line: rgba(242, 236, 228, 0.09);
  --line-2: rgba(242, 236, 228, 0.18);

  --acc: #ff4a1c;
  --acc-rgb: 255, 74, 28;
  --acc-ink: #0a0908;

  --display: 'Big Shoulders Display', 'Arial Narrow', 'Helvetica Neue', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --wrap: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(.2, .8, .2, 1);
  --top-h: 92px;
}
html[data-theme="phosphor"] { --acc: #b6ff3b; --acc-rgb: 182, 255, 59; }
html[data-theme="amber"]    { --acc: #ffb21a; --acc-rgb: 255, 178, 26; }
html[data-theme="mono"]     { --acc: #f2ece4; --acc-rgb: 242, 236, 228; }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--top-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--acc); color: var(--acc-ink); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg { display: block; }
b, strong { font-weight: 700; }
ul, ol { list-style: none; }

.acc { color: var(--acc); }
.dim { color: var(--dim); }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--acc); color: var(--acc-ink); padding: 8px 12px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 1px dashed var(--acc); outline-offset: 3px; }

.caret {
  display: inline-block; width: .6em; height: 1.05em; margin-left: 2px;
  background: var(--acc); vertical-align: -0.15em; animation: blink 1.05s steps(1) infinite;
}
.blink { animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* background canvas + grain/scanlines */
.bg-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -2; pointer-events: none; }
.grain {
  position: fixed; inset: -50%; z-index: 90; pointer-events: none; opacity: .055;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grain 1.2s steps(6) infinite;
}
body::after {
  content: ''; position: fixed; inset: 0; z-index: 89; pointer-events: none;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, rgba(0,0,0,.18) 2px 3px);
  opacity: .35;
}
@keyframes grain {
  0% { transform: translate(0,0); } 20% { transform: translate(-3%,2%); } 40% { transform: translate(2%,-4%); }
  60% { transform: translate(-4%,-1%); } 80% { transform: translate(3%,3%); } 100% { transform: translate(0,0); }
}

/* ---------- top bar ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(10, 9, 8, .72);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.topbar.is-scrolled { border-bottom-color: var(--line); }
.topbar__inner {
  max-width: var(--wrap); margin: 0 auto; padding: 14px var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.brand__mark {
  display: grid; place-items: center; width: 34px; height: 34px;
  background: var(--acc); color: var(--acc-ink);
  font-family: var(--display); font-weight: 800; font-size: 18px; letter-spacing: .02em;
  transition: transform .4s var(--ease);
}
.brand:hover .brand__mark { transform: rotate(-8deg) scale(1.06); }
.brand__path .caret { width: .5em; }

.nav { display: flex; align-items: center; gap: 4px; font-size: 12px; text-transform: lowercase; }
.nav a {
  position: relative; padding: 6px 10px; color: var(--dim);
  transition: color .2s;
}
.nav a::before { content: ':'; margin-right: 6px; color: var(--mute); transition: color .2s; }
.nav a:hover, .nav a.is-active { color: var(--ink); }
.nav a:hover::before, .nav a.is-active::before { color: var(--acc); }
.nav__n { display: none; }
.nav .nav__cta {
  margin-left: 8px; color: var(--acc-ink); background: var(--acc); padding: 6px 14px;
}
.nav .nav__cta::before { content: '>'; color: var(--acc-ink); }
.nav .nav__cta:hover { color: var(--acc-ink); filter: brightness(1.1); }

.burger { display: none; width: 40px; height: 40px; position: relative; border: 1px solid var(--line-2); }
.burger span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--ink); transition: transform .35s var(--ease), top .35s var(--ease); }
.burger span:first-child { top: 15px; }
.burger span:last-child { top: 23px; }
.burger[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }

.statusbar {
  max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter) 8px;
  display: flex; gap: 22px; font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--mute);
}
.statusbar b { color: var(--dim); font-weight: 500; }
.statusbar .dot, .tl__ref::before {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--acc); margin-right: 7px; vertical-align: 1px;
  box-shadow: 0 0 0 0 rgba(var(--acc-rgb), .6); animation: ping 2s infinite;
}
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(var(--acc-rgb), .55); } 70%, 100% { box-shadow: 0 0 0 7px rgba(var(--acc-rgb), 0); } }

/* ---------- buttons / tags / kicker ---------- */
.kicker { font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.kicker span { color: var(--acc); margin: 0 .35em; }
.kicker span:first-child { margin-left: 0; }

.btn {
  position: relative; display: inline-flex; align-items: center; gap: 14px;
  padding: 13px 18px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  border: 1px solid var(--line-2); overflow: hidden; isolation: isolate;
  transition: color .3s var(--ease), border-color .3s;
}
.btn::after {
  content: ''; position: absolute; inset: 0; z-index: -1; background: var(--acc);
  transform: translateY(101%); transition: transform .4s var(--ease);
}
.btn:hover { color: var(--acc-ink); border-color: var(--acc); }
.btn:hover::after { transform: none; }
.btn i { font-style: normal; transition: transform .3s var(--ease); }
.btn:hover i { transform: translate(3px, -1px); }
.btn--solid { background: var(--acc); color: var(--acc-ink); border-color: var(--acc); }
.btn--solid::after { background: var(--ink); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; padding: 3px 8px;
  border: 1px solid var(--line-2); color: var(--dim); white-space: nowrap;
}
.tag--acc { border-color: rgba(var(--acc-rgb), .5); color: var(--acc); }

/* ---------- reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- main / hero ---------- */
.main { padding-top: calc(var(--top-h) + 8px); }

.hero {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(28px, 5vw, 72px);
  align-items: center; min-height: calc(100vh - var(--top-h)); min-height: calc(100svh - var(--top-h));
  padding-top: 32px; padding-bottom: 56px;
}
.hero__copy, .portrait { min-width: 0; }
.hero__name {
  font-family: var(--display); font-weight: 200; text-transform: uppercase;
  font-size: clamp(84px, 13.5vw, 212px); line-height: .82; letter-spacing: -.01em;
  margin: 18px 0 22px;
}
.hero__line { display: block; position: relative; width: max-content; }
.hero__line--acc { color: var(--acc); font-weight: 300; }
.hero__line::before, .hero__line::after {
  content: attr(data-glitch); position: absolute; inset: 0; pointer-events: none; opacity: 0;
}
.hero__line::before { color: var(--acc); transform: translateX(-3px); }
.hero__line::after { color: var(--ink); transform: translateX(3px); mix-blend-mode: difference; }
.hero__line.is-glitch::before { opacity: .8; animation: slice 260ms steps(2) 1; }
.hero__line.is-glitch::after { opacity: .7; animation: slice 260ms steps(2) reverse 1; }
@keyframes slice {
  0% { clip-path: inset(10% 0 70% 0); } 25% { clip-path: inset(60% 0 12% 0); }
  50% { clip-path: inset(35% 0 40% 0); } 75% { clip-path: inset(80% 0 4% 0); } 100% { clip-path: inset(0 0 92% 0); }
}

.hero__typed { font-size: clamp(15px, 1.6vw, 19px); margin-bottom: 18px; min-height: 1.7em; }
.hero__lede { max-width: 54ch; color: var(--dim); font-size: 14.5px; margin-bottom: 28px; }
.hero__lede b { color: var(--ink); font-weight: 500; }
.hero__lede b.acc { color: var(--acc); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }

/* hermes-style command box */
.cmdbox { max-width: 520px; }
.cmdbox__label { font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); margin-bottom: 10px; }
.cmdbox__tabs { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line-2); border-bottom: 0; }
.cmdbox__tabs button {
  padding: 8px 4px; font-size: 12px; color: var(--dim); position: relative;
  border-right: 1px solid var(--line-2); transition: background .2s, color .2s;
}
.cmdbox__tabs button:last-child { border-right: 0; }
.cmdbox__tabs button::before, .cmdbox__tabs button::after { content: ':'; position: absolute; top: 50%; transform: translateY(-50%); color: var(--mute); }
.cmdbox__tabs button::before { left: 10px; }
.cmdbox__tabs button::after { right: 10px; }
.cmdbox__tabs button:hover { color: var(--ink); }
.cmdbox__tabs button.is-on { background: var(--acc); color: var(--acc-ink); }
.cmdbox__tabs button.is-on::before, .cmdbox__tabs button.is-on::after { color: var(--acc-ink); }
.cmdbox__line {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid var(--line-2); background: rgba(0,0,0,.35); padding: 12px 12px 12px 14px;
}
.cmdbox__line code { flex: 1; min-width: 0; font-size: 12.5px; white-space: nowrap; overflow-x: auto; scrollbar-width: none; }
.cmdbox__line code::-webkit-scrollbar { display: none; }
.cmdbox__copy { color: var(--dim); padding: 4px; flex: none; transition: color .2s, transform .2s; }
.cmdbox__copy:hover { color: var(--acc); transform: scale(1.1); }

/* ascii portrait */
.portrait { position: relative; justify-self: end; width: 100%; max-width: 600px; }
.portrait__bar, .portrait__cap {
  display: flex; justify-content: space-between; gap: 10px;
  font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--dim);
}
.portrait__bar { padding: 0 2px 8px; }
.portrait__cap { padding: 8px 2px 0; }
.portrait__cap b { color: var(--acc); font-weight: 500; }
#portraitStatus { color: var(--acc); }
.portrait__stage {
  position: relative; background: var(--acc); color: var(--acc-ink);
  padding: clamp(14px, 2.4vw, 26px); overflow: hidden; touch-action: pan-y;
  transition: background .4s;
}
.portrait__pre {
  font-family: var(--mono); font-weight: 700; font-size: 7px; line-height: 1.1;
  white-space: pre; overflow: hidden; user-select: none; -webkit-user-select: none;
  display: block; margin: 0 auto; width: max-content;
}
.portrait__scan {
  position: absolute; left: 0; right: 0; height: 22%; top: -22%; pointer-events: none;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,.22) 85%, rgba(255,255,255,.5) 100%);
  mix-blend-mode: overlay; animation: scan 4.5s linear infinite;
}
@keyframes scan { to { top: 100%; } }
.corner { position: absolute; width: 14px; height: 14px; border: 0 solid var(--acc-ink); }
.corner--tl { top: 8px; left: 8px; border-top-width: 2px; border-left-width: 2px; }
.corner--tr { top: 8px; right: 8px; border-top-width: 2px; border-right-width: 2px; }
.corner--bl { bottom: 8px; left: 8px; border-bottom-width: 2px; border-left-width: 2px; }
.corner--br { bottom: 8px; right: 8px; border-bottom-width: 2px; border-right-width: 2px; }

/* ---------- ticker ---------- */
.ticker {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  overflow: hidden; white-space: nowrap; padding: 14px 0; background: rgba(0,0,0,.25);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track { display: inline-flex; align-items: center; gap: 28px; animation: marquee 38s linear infinite; padding-left: 28px; }
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker span { font-family: var(--display); font-size: clamp(22px, 3vw, 34px); font-weight: 300; text-transform: uppercase; letter-spacing: .01em; }
.ticker i { font-style: normal; color: var(--acc); font-size: 14px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- sections ---------- */
.sec { padding-top: clamp(80px, 11vw, 150px); }
.sec__head {
  display: grid; grid-template-columns: auto 1fr; align-items: end; column-gap: 18px;
  border-bottom: 1px solid var(--line); padding-bottom: 18px; margin-bottom: clamp(28px, 4vw, 48px);
}
.sec__idx { font-size: 12px; color: var(--acc); letter-spacing: .1em; }
.sec__cmd { font-size: 12px; color: var(--mute); justify-self: end; }
.sec__title {
  grid-column: 1 / -1; font-family: var(--display); font-weight: 200; text-transform: uppercase;
  font-size: clamp(64px, 10vw, 150px); line-height: .85; letter-spacing: -.005em; margin-top: 10px;
}

/* about */
.about { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); }
.about__text p { color: var(--dim); max-width: 62ch; margin-bottom: 16px; }
.about__text .about__lead { color: var(--ink); font-size: clamp(16px, 1.7vw, 20px); line-height: 1.55; }
.hl { color: var(--ink); background: linear-gradient(transparent 62%, rgba(var(--acc-rgb), .35) 62%); }
.about__lead .hl { color: var(--acc); background: none; }
.facts { margin-top: 26px; border-top: 1px solid var(--line); }
.facts li { display: flex; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.facts__k { width: 56px; flex: none; color: var(--acc); text-transform: uppercase; font-size: 11px; letter-spacing: .1em; padding-top: 2px; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); align-self: start; }
.stat { background: var(--bg); padding: clamp(18px, 2.4vw, 28px); transition: background .3s; }
.stat:hover { background: var(--bg-2); }
.stat__num { font-family: var(--display); font-weight: 300; font-size: clamp(54px, 6vw, 88px); line-height: .9; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat__num small { font-size: .38em; color: var(--acc); margin: 0 .12em; font-weight: 500; }
.stat__label { margin-top: 12px; font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; line-height: 1.5; }

/* timeline */
.filters { display: inline-flex; border: 1px solid var(--line-2); margin-bottom: 36px; }
.filters button { padding: 8px 16px; font-size: 12px; color: var(--dim); border-right: 1px solid var(--line-2); transition: background .2s, color .2s; }
.filters button:last-child { border-right: 0; }
.filters button::before { content: ': '; color: var(--mute); }
.filters button:hover { color: var(--ink); }
.filters button.is-on { background: var(--acc); color: var(--acc-ink); }
.filters button.is-on::before { color: var(--acc-ink); }

.tl { position: relative; }
.tl__item { display: grid; grid-template-columns: 170px 40px minmax(0, 1fr); }
.tl__item.is-hidden { display: none; }
.tl__when { padding-top: 22px; text-align: right; font-size: 12px; color: var(--dim); letter-spacing: .04em; }
.is-head .tl__when { color: var(--acc); }
.tl__rail { position: relative; }
.tl__rail::before {
  content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%);
  background: var(--line-2);
}
.tl__rail::after {
  content: ''; position: absolute; left: 50%; top: 0; width: 1px; height: 0; transform: translateX(-50%);
  background: var(--acc); transition: height 1.2s var(--ease) .15s;
}
.tl__item.is-in .tl__rail::after { height: 100%; }
.tl__item:first-child .tl__rail::before, .tl__item:first-child .tl__rail::after { top: 26px; }
.tl__item.is-root .tl__rail::before, .tl__item.is-root .tl__rail::after { bottom: auto; height: 26px; }
.tl__node {
  position: absolute; top: 22px; left: 50%; width: 11px; height: 11px; transform: translateX(-50%) rotate(45deg);
  background: var(--bg); border: 1.5px solid var(--acc); z-index: 1;
}
.tl__item[data-type="work"] .tl__node { background: var(--acc); }
.is-head .tl__node { box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px rgba(var(--acc-rgb), .45); animation: nodepulse 2.2s infinite; }
@keyframes nodepulse { 50% { box-shadow: 0 0 0 4px var(--bg), 0 0 0 9px rgba(var(--acc-rgb), 0); } }

.tl__card {
  margin: 8px 0 22px; padding: 18px 22px 20px; border: 1px solid var(--line); background: rgba(17, 15, 13, .72);
  transition: border-color .3s, transform .4s var(--ease), background .3s;
}
.tl__card:hover { border-color: rgba(var(--acc-rgb), .55); transform: translateX(4px); background: rgba(20, 18, 16, .9); }
.is-head .tl__card { border-color: rgba(var(--acc-rgb), .55); }
.tl__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 11px; margin-bottom: 8px; }
.tl__sha { color: var(--acc); font-family: var(--mono); }
.tl__ref { color: var(--ink); border: 1px solid rgba(var(--acc-rgb), .6); padding: 1px 7px; font-size: 10.5px; }
.tl__ref--dim { border-color: var(--line-2); color: var(--dim); }
.tl__ref--dim::before { display: none; }
.tl__type { margin-left: auto; color: var(--mute); text-transform: uppercase; letter-spacing: .12em; font-size: 10px; }
.tl__role { font-family: var(--display); font-weight: 500; text-transform: uppercase; font-size: clamp(26px, 2.6vw, 34px); line-height: 1; letter-spacing: .01em; }
.tl__org { margin: 6px 0 10px; font-size: 13px; }
.tl__summary { color: var(--dim); margin-bottom: 12px; max-width: 72ch; }
.tl__points { margin-bottom: 14px; }
.tl__points li { position: relative; padding-left: 20px; color: var(--dim); margin-bottom: 6px; max-width: 78ch; font-size: 13px; }
.tl__points li::before { content: '+'; position: absolute; left: 2px; color: var(--acc); }

/* certs */
.certs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cert { background: var(--bg); padding: 22px 20px 20px; display: flex; flex-direction: column; position: relative; overflow: hidden; transition: background .3s; }
.cert:hover { background: var(--bg-2); }
.cert__top { display: flex; justify-content: space-between; gap: 8px; font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); }
.cert__badge { color: var(--mute); white-space: nowrap; }
.cert--done .cert__badge { color: var(--acc); }
.cert--done { background: linear-gradient(160deg, rgba(var(--acc-rgb), .14), transparent 55%), var(--bg); }
.cert__name { font-family: var(--display); font-weight: 300; font-size: clamp(64px, 6.5vw, 96px); line-height: .9; margin: 26px 0 6px; }
.cert--done .cert__name { color: var(--acc); }
.cert__full { font-size: 12px; color: var(--ink); }
.cert__note { font-size: 12.5px; color: var(--dim); margin: 10px 0 18px; flex: 1; }
.bar { height: 6px; background: var(--line); position: relative; overflow: hidden; }
.bar__fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--acc); transition: width 1.6s var(--ease); }
.bar__fill::after { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 6px, rgba(0,0,0,.35) 6px 8px); }
.bar--loading .bar__fill { width: 28%; animation: loading 1.8s var(--ease) infinite; }
@keyframes loading { 0% { left: -30%; } 100% { left: 100%; } }
.cert__pct { display: flex; justify-content: space-between; margin-top: 8px; font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--mute); }
.cert__pct b { color: var(--ink); font-weight: 500; }
.cert--htb { grid-column: span 2; }
.htb-grid { display: grid; grid-template-columns: repeat(18, 1fr); gap: 3px; }
.htb-grid i { aspect-ratio: 1; background: rgba(var(--acc-rgb), .85); opacity: 0; transform: scale(.4); transition: opacity .3s, transform .3s; }
.cert.is-in .htb-grid i { opacity: 1; transform: none; }

/* arsenal */
.arsenal { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.arsenal__group { background: var(--bg); padding: 20px; }
/* stretch a lone last group so the grid has no empty cell */
.arsenal__group:last-child:nth-child(3n+2) { grid-column: span 2; }
.arsenal__head { font-size: 12.5px; margin-bottom: 14px; }
.arsenal__list { display: flex; flex-wrap: wrap; gap: 6px; }
.arsenal__list li {
  font-size: 12px; padding: 5px 10px; border: 1px solid var(--line-2); color: var(--ink);
  transition: background .2s, color .2s, border-color .2s; cursor: default;
}
.arsenal__list li:hover { background: var(--acc); color: var(--acc-ink); border-color: var(--acc); }

/* projects */
.projects { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.proj {
  position: relative; display: flex; flex-direction: column; gap: 12px; padding: 22px;
  border: 1px solid var(--line-2); background: rgba(17,15,13,.7); overflow: hidden; isolation: isolate;
  transition: border-color .3s, transform .4s var(--ease);
}
.proj::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(var(--acc-rgb), .16), transparent 60%);
  opacity: 0; transition: opacity .3s;
}
.proj:hover { border-color: rgba(var(--acc-rgb), .6); transform: translateY(-4px); }
.proj:hover::before { opacity: 1; }
.proj__top { display: flex; gap: 12px; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--dim); }
.proj__idx { color: var(--acc); }
.proj__go { margin-left: auto; color: var(--ink); transition: transform .3s var(--ease); }
a.proj:hover .proj__go { transform: translate(3px, -3px); color: var(--acc); }
.proj__name { font-family: var(--display); font-weight: 500; text-transform: uppercase; font-size: clamp(30px, 3vw, 40px); line-height: .95; }
.proj__desc { color: var(--dim); font-size: 13px; flex: 1; }

/* terminal */
.term { border: 1px solid var(--line-2); background: rgba(8,7,6,.92); box-shadow: 0 30px 80px -40px rgba(var(--acc-rgb), .35); }
.term__bar { display: flex; align-items: center; gap: 16px; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 11.5px; color: var(--dim); }
.term__dots { display: flex; gap: 6px; }
.term__dots i { width: 10px; height: 10px; border: 1px solid var(--line-2); }
.term__dots i:first-child { background: var(--acc); border-color: var(--acc); }
.term__tab.is-on { color: var(--ink); }
.term__size { margin-left: auto; color: var(--mute); }
.term__body {
  height: clamp(300px, 46vh, 440px); overflow-y: auto; padding: 16px 18px 6px; font-size: 13px; line-height: 1.6;
  scrollbar-width: thin; scrollbar-color: var(--mute) transparent; overscroll-behavior: contain;
}
.term__body p, .term__body pre { white-space: pre-wrap; word-break: break-word; font: inherit; }
.term__body .t-cmd { color: var(--ink); margin-top: 8px; }
.term__body .t-cmd::before { content: 'guest@nayem:~$ '; color: var(--acc); }
.term__body .t-out { color: var(--dim); }
.term__body .t-hi { color: var(--ink); }
.term__body .t-acc { color: var(--acc); }
.term__body .t-err { color: var(--acc); }
.term__body a { color: var(--acc); text-decoration: underline; text-underline-offset: 3px; }
.term__body .t-grid { display: grid; grid-template-columns: 150px 1fr; column-gap: 12px; }
.term__input { display: flex; align-items: center; gap: 10px; padding: 12px 18px 16px; border-top: 1px dashed var(--line); }
.term__prompt { font-size: 13px; white-space: nowrap; }
.term__input input {
  flex: 1; min-width: 0; background: none; border: 0; outline: 0; color: var(--ink);
  font-family: var(--mono); font-size: 13px; caret-color: var(--acc);
}
.term__input input::placeholder { color: var(--mute); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chips button { font-size: 11.5px; padding: 6px 10px; border: 1px solid var(--line-2); color: var(--dim); transition: all .2s; }
.chips button::before { content: '$ '; color: var(--acc); }
.chips button:hover { color: var(--ink); border-color: var(--acc); }

/* blog list (home + blog index) */
.ls { border-top: 1px solid var(--line); margin-bottom: 28px; }
.ls a {
  display: grid; grid-template-columns: auto auto 1fr auto; gap: 22px; align-items: baseline;
  padding: 18px 4px; border-bottom: 1px solid var(--line); transition: background .25s, padding .3s var(--ease);
}
.ls a:hover { background: rgba(var(--acc-rgb), .07); padding-left: 14px; }
.ls__perm, .ls__date { font-size: 12px; color: var(--mute); }
.ls__date { color: var(--dim); }
.ls__title { font-family: var(--display); font-size: clamp(24px, 2.6vw, 32px); text-transform: uppercase; font-weight: 500; line-height: 1.05; }
.ls__go { color: var(--acc); }
.ls__tags { grid-column: 3 / -1; }

.empty { border: 1px dashed var(--line-2); padding: clamp(20px, 3vw, 32px); }
.empty__out { font-family: var(--mono); font-size: 13px; color: var(--ink); white-space: pre-wrap; margin-bottom: 24px; line-height: 1.7; }

/* contact */
.contact { padding-top: clamp(100px, 14vw, 190px); padding-bottom: clamp(60px, 8vw, 100px); }
.contact__title {
  font-family: var(--display); font-weight: 200; text-transform: uppercase;
  font-size: clamp(88px, 16vw, 250px); line-height: .8; margin: 14px 0 24px;
}
.contact__title span { display: inline-block; margin-right: .18em; }
@media (max-width: 640px) { .contact__title span { display: block; } }
.contact__lede { color: var(--dim); max-width: 52ch; margin-bottom: 36px; }
.contact__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.contact__item {
  display: grid; grid-template-columns: 90px minmax(0, 1fr) auto; align-items: center; gap: 16px; text-align: left;
  padding: 22px 6px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; isolation: isolate;
  transition: color .3s, padding .3s var(--ease);
}
.contact__item:nth-child(odd) { border-right: 1px solid var(--line); }
.contact__item::after { content: ''; position: absolute; inset: 0; background: var(--acc); z-index: -1; transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease); }
.contact__item:hover { color: var(--acc-ink); padding-left: 16px; }
.contact__item:hover::after { transform: none; }
.contact__item:hover .contact__k, .contact__item:hover .contact__act { color: var(--acc-ink); }
.contact__k { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--acc); }
.contact__v { font-size: clamp(14px, 1.5vw, 18px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.contact__act { font-size: 12px; color: var(--dim); padding-right: 8px; }

/* footer */
.footer { border-top: 1px solid var(--line); padding: 40px 0 32px; overflow: hidden; }
.footer__big {
  font-family: var(--display); font-weight: 800; text-transform: uppercase; line-height: .78;
  font-size: clamp(90px, 24vw, 360px); color: transparent; -webkit-text-stroke: 1px var(--line-2);
  letter-spacing: -.01em; margin-bottom: 26px; user-select: none;
}
.footer__row { display: flex; flex-wrap: wrap; gap: 8px 26px; font-size: 12px; margin-top: 8px; }
.footer__links a, .theme-cycle, .qr-open { color: var(--dim); transition: color .2s; font-size: 12px; }
.footer__links a::before, .qr-open::before { content: '/'; color: var(--acc); margin-right: 4px; }
.footer__links a:hover, .theme-cycle:hover, .qr-open:hover { color: var(--ink); }

/* qr dialog */
.qr {
  margin: auto; width: min(560px, calc(100% - 32px)); max-height: calc(100dvh - 32px); overflow-y: auto;
  background: var(--bg); color: var(--ink); border: 1px solid var(--line-2); padding: 0;
  box-shadow: 0 40px 120px -40px rgba(var(--acc-rgb), .45);
}
.qr::backdrop { background: rgba(5, 4, 3, .78); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.qr[open] { animation: qr-in .35s var(--ease); }
@keyframes qr-in { from { opacity: 0; transform: translateY(14px) scale(.98); } }
.qr__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--dim); }
.qr__close { font-size: 11px; color: var(--dim); letter-spacing: .06em; }
.qr__close:hover { color: var(--acc); }
.qr__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.qr__card { display: flex; flex-direction: column; gap: 4px; padding: 20px; background: var(--bg); transition: background .25s; }
.qr__card:hover { background: var(--bg-2); }
.qr__code {
  display: block; background: #f2ece4; color: #0a0908; padding: 9%; margin-bottom: 12px;
  border: 1px solid var(--acc); outline: 1px solid var(--acc); outline-offset: 4px;
}
.qr__svg { width: 100%; height: auto; }
.qr__k { font-size: 11px; color: var(--acc); text-transform: uppercase; letter-spacing: .1em; }
.qr__v { font-size: 13px; }
.qr__hint { padding: 12px 16px 14px; font-size: 11px; color: var(--mute); border-top: 1px solid var(--line); }
@media (max-width: 480px) {
  .qr__grid { grid-template-columns: 1fr; }
  .qr__card { align-items: center; text-align: center; }
  .qr__code { width: min(220px, 70vw); }
}
.theme-cycle { margin-left: auto; }
.theme-cycle b { color: var(--acc); font-weight: 500; }

/* toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 95; transform: translate(-50%, calc(100% + 40px));
  background: var(--acc); color: var(--acc-ink); padding: 10px 16px; font-size: 12px; letter-spacing: .04em;
  transition: transform .4s var(--ease), visibility .4s; pointer-events: none; max-width: calc(100% - 32px);
  visibility: hidden;
}
.toast.is-on { transform: translate(-50%, 0); visibility: visible; }

/* boot overlay */
.boot {
  position: fixed; inset: 0; z-index: 200; background: var(--bg); padding: clamp(18px, 4vw, 48px);
  font-size: clamp(11px, 1.3vw, 13px); color: var(--dim); overflow: hidden; cursor: pointer;
  transition: opacity .5s var(--ease), visibility .5s;
}
.boot p { white-space: pre-wrap; word-break: break-word; }
.boot .ok { color: var(--acc); }
.boot .hi { color: var(--ink); }
.boot__skip { position: absolute; right: 18px; bottom: 16px; font-size: 11px; color: var(--mute); text-transform: uppercase; letter-spacing: .1em; }
.boot.is-done { opacity: 0; visibility: hidden; }

/* ---------- blog pages ---------- */
.page-head { padding-top: clamp(40px, 7vw, 90px); padding-bottom: 32px; }
.page-head .sec__title { margin-top: 18px; }
.page-head__lede { color: var(--dim); max-width: 60ch; margin-top: 20px; }
.page-body { padding-bottom: 80px; }

.post-head { padding-top: clamp(40px, 7vw, 90px); padding-bottom: 28px; border-bottom: 1px solid var(--line); margin-bottom: 40px; }
.post-head__meta { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 12px; color: var(--dim); margin-top: 22px; }
.post-head__meta b { color: var(--acc); font-weight: 500; }
.post-title { font-family: var(--display); font-weight: 300; text-transform: uppercase; font-size: clamp(48px, 7vw, 104px); line-height: .9; margin-top: 18px; max-width: 18ch; }
.back { font-size: 12px; color: var(--dim); }
.back:hover { color: var(--acc); }

.prose { max-width: 72ch; font-size: 15px; line-height: 1.8; color: #d8d1c8; padding-bottom: 60px; }
.prose > * + * { margin-top: 1.1em; }
.prose h2, .prose h3, .prose h4 { font-family: var(--display); text-transform: uppercase; color: var(--ink); line-height: 1; margin-top: 2em; }
.prose h2 { font-size: 40px; font-weight: 500; }
.prose h2::before { content: '## '; color: var(--acc); font-family: var(--mono); font-size: .45em; vertical-align: middle; }
.prose h3 { font-size: 28px; font-weight: 500; }
.prose a { color: var(--acc); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--ink); }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose ul li { list-style: none; position: relative; }
.prose ul li::before { content: '+'; position: absolute; left: -1.2em; color: var(--acc); }
.prose ol li { list-style: decimal; }
.prose li + li { margin-top: .4em; }
.prose blockquote { border-left: 2px solid var(--acc); padding: 4px 0 4px 18px; color: var(--dim); }
.prose code { font-family: var(--mono); font-size: .88em; background: var(--panel); border: 1px solid var(--line); padding: 1px 6px; color: var(--ink); }
.prose pre { background: #070605; border: 1px solid var(--line-2); padding: 18px; overflow-x: auto; font-size: 13px; line-height: 1.6; }
.prose pre code { background: none; border: 0; padding: 0; }
.prose img { max-width: 100%; height: auto; border: 1px solid var(--line-2); }
.prose hr { border: 0; border-top: 1px dashed var(--line-2); margin: 2.4em 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 13px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line-2); padding: 8px 12px; text-align: left; }
.prose th { color: var(--acc); font-weight: 500; }
/* rouge, minimal */
.highlight .c, .highlight .c1, .highlight .cm { color: var(--mute); font-style: italic; }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .nt { color: var(--acc); }
.highlight .s, .highlight .s1, .highlight .s2 { color: #e8d8a8; }
.highlight .m, .highlight .mi { color: #f5a07a; }
.highlight .nf, .highlight .nb { color: var(--ink); font-weight: 500; }

/* 404 */
.e404 { min-height: calc(100vh - var(--top-h) - 200px); display: flex; flex-direction: column; justify-content: center; padding-top: 40px; padding-bottom: 40px; }
.e404__code { font-family: var(--display); font-weight: 200; font-size: clamp(140px, 30vw, 380px); line-height: .8; color: var(--acc); }
.e404 pre { font-family: var(--mono); color: var(--dim); white-space: pre-wrap; margin: 24px 0 30px; font-size: 13px; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .certs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .projects { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arsenal { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arsenal__group:last-child:nth-child(3n+2) { grid-column: auto; }
  .arsenal__group:last-child:nth-child(odd) { grid-column: span 2; }
}

@media (max-width: 920px) {
  :root { --top-h: 64px; }
  .statusbar { display: none; }
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--top-h) 0 0 0; z-index: 49; height: calc(100dvh - var(--top-h));
    flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0;
    background: var(--bg); padding: 16px var(--gutter) 32px; overflow-y: auto;
    clip-path: inset(0 0 100% 0); visibility: hidden;
    transition: clip-path .5s var(--ease), visibility .5s;
  }
  .nav.is-open { clip-path: inset(0 0 0 0); visibility: visible; }
  .nav a {
    display: flex; align-items: baseline; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line);
    font-family: var(--display); font-weight: 300; text-transform: uppercase; font-size: 42px; line-height: 1; color: var(--ink);
  }
  .nav a::before { display: none; }
  .nav__n { display: inline; font-family: var(--mono); font-size: 11px; color: var(--acc); }
  .nav .nav__cta { margin: 22px 0 0; justify-content: center; padding: 16px; font-size: 28px; border: 0; }

  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 24px; gap: 40px; }
  .portrait { justify-self: stretch; max-width: none; order: -1; }
  .hero__name { margin-top: 12px; }

  .about { grid-template-columns: 1fr; }
  .tl__item { grid-template-columns: 26px minmax(0, 1fr); }
  .tl__when { grid-column: 2; grid-row: 1; text-align: left; padding: 18px 0 0 4px; }
  .tl__rail { grid-column: 1; grid-row: 1 / span 2; }
  .tl__card { grid-column: 2; grid-row: 2; margin-top: 6px; }
  .tl__node { top: 23px; }
  .tl__item:first-child .tl__rail::before, .tl__item:first-child .tl__rail::after { top: 28px; }
}

@media (max-width: 640px) {
  body { font-size: 13.5px; }
  .hide-sm { display: none !important; }
  .brand__path { font-size: 12px; }
  .kicker { font-size: 10.5px; letter-spacing: .08em; }
  .sec__head { grid-template-columns: auto 1fr; }
  .sec__cmd { font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
  .stats, .certs, .projects, .arsenal { grid-template-columns: 1fr; }
  .cert--htb, .arsenal__group:last-child:nth-child(odd) { grid-column: auto; }
  .stats { grid-template-columns: 1fr 1fr; }
  .tl__card { padding: 16px; }
  .tl__card:hover { transform: none; }
  .contact__grid { grid-template-columns: 1fr; }
  .contact__item:nth-child(odd) { border-right: 0; }
  .contact__item { grid-template-columns: 70px minmax(0, 1fr) auto; }
  .ls a { grid-template-columns: auto 1fr auto; gap: 14px; }
  .ls__tags { grid-column: 2 / -1; }
  .term__body .t-grid { grid-template-columns: 1fr; }
  .term__body .t-grid > :nth-child(odd) { color: var(--acc); margin-top: 6px; }
  .term__input input { font-size: 16px; } /* avoid iOS zoom */
  .term__prompt { font-size: 12px; }
  .footer__row { flex-direction: column; }
  .theme-cycle { margin-left: 0; text-align: left; }
  .footer__row button { align-self: flex-start; text-align: left; }
  .cmdbox__line code { font-size: 11.5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .grain { display: none; }
}