/* ============================================================
   CYBERSEC PORTFOLIO — stylesheet
   Palette: near-black green-tinted dark, phosphor green accent
   ============================================================ */

/* Self-hosted variable fonts (latin subset). Replaces render-blocking
   Google Fonts; preloaded in each page <head>. font-display:swap so text
   paints immediately in the fallback and swaps when the woff2 lands. */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url('/assets/fonts/jetbrains-mono-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('/assets/fonts/space-grotesk-latin.woff2') format('woff2');
}

:root {
  --bg: #06090a;
  --bg2: #090e0f;
  --panel: #0b1112;
  --ink: #dce9e1;
  --dim: #62756b;
  --faint: #3a4a42;
  --accent: #27f57e;
  --cyberpath: #00ffd5; /* fixed CyberPath brand cyan — does NOT rotate with --accent */
  --line: rgba(220, 233, 225, 0.08);
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --font-sans: 'Space Grotesk', 'Helvetica Neue', sans-serif;
  --font-display: var(--font-mono);
  --dur: 1; /* animation duration multiplier (intensity tweak) */
}

html[data-fonts="mix"] { --font-display: var(--font-sans); }

* { margin: 0; padding: 0; box-sizing: border-box; }

/* visually hidden but exposed to AT/crawlers (canonical hero heading) */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* Skip-to-content link: off-screen until keyboard-focused, then pinned
   top-left so keyboard/screen-reader users can bypass the nav. */
.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 1000;
  transform: translateY(-150%); transition: transform 0.18s ease;
  padding: 10px 16px; border-radius: 6px;
  background: var(--accent); color: var(--bg);
  font-family: var(--font-mono); font-weight: 700; font-size: 13px;
  text-decoration: none;
}
.skip-link:focus { transform: translateY(0); outline: 2px solid var(--bg); }

html { scroll-behavior: auto; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
body.menu-open { overflow: hidden; }

::selection { background: var(--accent); color: #04130a; }

a { color: inherit; text-decoration: none; }

/* ---- scroll progress bar ---- */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%;
  background: var(--accent);
  transform-origin: 0 50%;
  transform: scaleX(0);
  z-index: 90;
}

/* ---- fixed nav ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80;
  display: flex; justify-content: space-between; align-items: center;
  padding: 22px 40px;
  mix-blend-mode: difference;
  transition: padding 0.35s ease, background 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  mix-blend-mode: normal;
  padding: 14px 40px;
  background: color-mix(in oklab, var(--bg) 62%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--line);
}
.nav .logo { font-weight: 800; letter-spacing: 0.08em; font-size: 15px; }
.nav .logo .tick { color: var(--accent); }
.nav ul { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav ul a {
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--dim); transition: color 0.25s;
}
.nav ul a:hover { color: var(--ink); }

/* CyberPath — deliberately off-theme: sans typeface (vs the all-mono nav)
   and a fixed brand cyan that ignores the rotating --accent. */
.nav ul a.cyberpath {
  font-family: var(--font-sans);
  text-transform: none; letter-spacing: 0.01em; font-weight: 700;
  font-size: 12.5px; line-height: 1;
  color: var(--cyberpath);
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 13px; border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--cyberpath) 42%, transparent);
  transition: color 0.25s, background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.nav ul a.cyberpath .ext { font-size: 10px; }
.nav ul a.cyberpath:hover {
  color: #04130a; background: var(--cyberpath); border-color: var(--cyberpath);
  box-shadow: 0 0 22px color-mix(in oklab, var(--cyberpath) 38%, transparent);
}

/* hamburger (mobile only) */
.nav-burger {
  display: none;
  width: 44px; height: 44px;
  background: none; border: none; cursor: pointer; padding: 0;
  flex-direction: column; align-items: center; justify-content: center; gap: 7px;
}
.nav-burger i { display: block; width: 24px; height: 2px; background: var(--ink); transition: transform 0.3s ease; }
body.menu-open .nav-burger i:first-child { transform: translateY(4.5px) rotate(45deg); }
body.menu-open .nav-burger i:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* full-screen mobile menu */
.mmenu {
  position: fixed; inset: 0; z-index: 70;
  background: color-mix(in oklab, var(--bg) 90%, transparent);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  backdrop-filter: blur(20px) saturate(1.2);
  display: none; flex-direction: column; justify-content: center;
  padding: 96px 28px 40px;
}
body.menu-open .mmenu { display: flex; }
.mmenu-links { display: flex; flex-direction: column; }
.mmenu-links a {
  display: flex; align-items: baseline; gap: 16px;
  font-family: var(--font-display); font-size: clamp(28px, 7.5vw, 38px); font-weight: 800;
  text-transform: uppercase; letter-spacing: -0.01em;
  padding: 16px 4px; border-bottom: 1px solid var(--line);
}
.mmenu-links a:active { color: var(--accent); }
.mmenu-links a small { font-size: 12px; font-weight: 400; color: var(--accent); letter-spacing: 0.2em; }
/* CyberPath in the mobile menu — sans + fixed brand cyan to match the nav pill */
.mmenu-links a.cyberpath {
  font-family: var(--font-sans); font-weight: 700; text-transform: none;
  letter-spacing: -0.01em; color: var(--cyberpath); gap: 10px;
}
.mmenu-links a.cyberpath .ext { font-size: 0.55em; }
.mmenu-links a.cyberpath:active { color: var(--cyberpath); }
.mmenu-status { margin-top: 36px; font-size: 12px; color: var(--dim); letter-spacing: 0.14em; text-transform: uppercase; }
@media (prefers-reduced-motion: no-preference) {
  body.menu-open .mmenu-links a { animation: mmenuIn 0.5s cubic-bezier(0.16,1,0.3,1) both; }
  body.menu-open .mmenu-links a:nth-child(2) { animation-delay: 0.04s; }
  body.menu-open .mmenu-links a:nth-child(3) { animation-delay: 0.08s; }
  body.menu-open .mmenu-links a:nth-child(4) { animation-delay: 0.12s; }
  body.menu-open .mmenu-links a:nth-child(5) { animation-delay: 0.16s; }
  body.menu-open .mmenu-links a:nth-child(6) { animation-delay: 0.2s; }
  body.menu-open .mmenu-links a:nth-child(7) { animation-delay: 0.24s; }
  body.menu-open .mmenu-links a:nth-child(8) { animation-delay: 0.28s; }
}
@keyframes mmenuIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* ---- generic section scaffolding ---- */
section { position: relative; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 40px; }
.sec { padding: 140px 0; }
.sec.alt { background: var(--bg2); }

.sec-label {
  display: flex; align-items: center; gap: 14px;
  font-size: 13px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 56px;
}
.sec-label::after {
  content: ""; flex: 0 0 80px; height: 1px; background: var(--accent); opacity: 0.5;
}
.sec-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 84px);
  font-weight: 800; line-height: 1.02; letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-bottom: 48px;
  text-wrap: balance;
}
.sec-title .ghost { color: transparent; -webkit-text-stroke: 1px var(--faint); }

/* ---- reveal-on-scroll (gated for reduced motion) ---- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(calc(46px * var(--dur)));
    transition:
      opacity calc(0.9s * var(--dur)) cubic-bezier(0.16, 1, 0.3, 1),
      transform calc(0.9s * var(--dur)) cubic-bezier(0.16, 1, 0.3, 1);
    transition-delay: var(--rd, 0s);
  }
  .reveal.in { opacity: 1; transform: none; }
}

/* ============ HERO ============ */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
#fx-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  display: block; pointer-events: none;
}
html[data-bgfx="off"] #fx-canvas { display: none; }
.fx-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; pointer-events: none;
  filter: hue-rotate(var(--fx-hue, 0deg));
}
html[data-bgfx="off"] .fx-video { display: none; }
.hero.has-video #fx-canvas { display: none; }

.hero-glow {
  position: absolute; left: 50%; top: 55%; width: 70vw; height: 70vw;
  max-width: 900px; max-height: 900px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, color-mix(in oklab, var(--accent) 14%, transparent) 0%, transparent 62%);
  pointer-events: none;
}

.hero-inner { position: relative; text-align: center; padding: 0 24px; z-index: 2; }

/* variants — html[data-hero] picks one */
.hero-variant { display: none; }
html[data-hero="cinematic"] .hv-cinematic { display: block; }
html[data-hero="terminal"]  .hv-terminal  { display: block; }
html[data-hero="glitch"]    .hv-glitch    { display: block; }

.hero-kicker {
  font-size: 13px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 28px;
}
.hero-display {
  font-family: var(--font-display);
  font-size: clamp(54px, 10.5vw, 168px);
  font-weight: 800; line-height: 0.96; letter-spacing: -0.03em;
  text-transform: uppercase;
}
.hero-display .row { display: block; }
.hero-display .outline { color: transparent; -webkit-text-stroke: 1.5px var(--ink); }
.hero-display .accent { color: var(--accent); }
.hero-sub {
  margin-top: 36px; font-size: 15px; color: var(--dim);
  min-height: 1.6em;
}
.hero-sub .cursor { display: inline-block; width: 9px; height: 1.1em;
  background: var(--accent); vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* terminal hero variant */
.term {
  width: min(720px, 90vw); margin: 0 auto; text-align: left;
  background: rgba(8, 14, 13, 0.88);
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
}
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
}
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--faint); }
.term-bar i:first-child { background: color-mix(in oklab, var(--accent) 70%, #333); }
.term-bar .term-title { margin-left: auto; font-size: 11px; color: var(--dim); letter-spacing: 0.1em; }
.term-body { padding: 24px 22px 30px; font-size: 14.5px; line-height: 2; min-height: 280px; }
.term-line { white-space: pre-wrap; min-height: 2em; }
.term-line .p { color: var(--accent); }
.term-line .ok { color: var(--accent); }
.term-line .dim { color: var(--dim); }

/* glitch hero variant */
.glitch-name {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(56px, 11vw, 170px);
  font-weight: 800; line-height: 1; letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--ink);
}
@media (prefers-reduced-motion: no-preference) {
  .glitch-name::before, .glitch-name::after {
    content: attr(data-text);
    position: absolute; inset: 0; overflow: hidden;
  }
  .glitch-name::before {
    color: var(--accent); z-index: -1;
    animation: glitchA calc(2.6s / var(--dur, 1)) infinite steps(2, jump-none);
  }
  .glitch-name::after {
    color: var(--glitch-alt, #ff3b5c); z-index: -2;
    animation: glitchB calc(3.1s / var(--dur, 1)) infinite steps(2, jump-none);
  }
}
@keyframes glitchA {
  0%, 86%, 100% { transform: none; clip-path: inset(0 0 0 0); opacity: 0; }
  88% { transform: translate(-7px, 3px); clip-path: inset(12% 0 55% 0); opacity: 0.9; }
  92% { transform: translate(5px, -2px); clip-path: inset(60% 0 8% 0); opacity: 0.9; }
  96% { transform: translate(-3px, 1px); clip-path: inset(30% 0 38% 0); opacity: 0.8; }
}
@keyframes glitchB {
  0%, 84%, 100% { transform: none; clip-path: inset(0); opacity: 0; }
  87% { transform: translate(6px, -4px); clip-path: inset(45% 0 28% 0); opacity: 0.8; }
  93% { transform: translate(-5px, 2px); clip-path: inset(8% 0 70% 0); opacity: 0.7; }
}

.scroll-cue {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--dim);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  z-index: 2;
}
.scroll-cue::after {
  content: ""; width: 1px; height: 48px;
  background: linear-gradient(var(--accent), transparent);
}
@media (prefers-reduced-motion: no-preference) {
  .scroll-cue::after { animation: cueDrop 1.8s ease-in-out infinite; transform-origin: top; }
}
@keyframes cueDrop { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ============ ABOUT ============ */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: start; }
.about-copy p { font-size: clamp(19px, 1.8vw, 24px); line-height: 1.7; color: var(--ink); }
.about-copy p + p { margin-top: 28px; font-size: 16px; color: var(--dim); }
.about-copy .hl { color: var(--accent); }
.about-list { margin-top: 32px; list-style: none; }
.about-list li {
  position: relative; padding: 10px 0 10px 26px;
  font-size: 14px; color: var(--dim); border-top: 1px solid var(--line);
}
.about-list li:last-child { border-bottom: 1px solid var(--line); }
.about-list li::before { content: ">"; position: absolute; left: 2px; color: var(--accent); }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stat { background: var(--bg); padding: 32px 28px; }
.sec.alt .stat { background: var(--bg2); }
.stat b {
  display: block; font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px); font-weight: 800; line-height: 1;
  color: var(--accent);
}
.stat span { display: block; margin-top: 10px; font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); }

/* ============ SKILLS ============ */
.skills-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.skill-cell { background: var(--bg2); padding: 40px 36px; transition: background 0.3s; }
.skill-cell:hover { background: color-mix(in oklab, var(--accent) 4%, var(--bg2)); }
.skill-cell h3 {
  font-family: var(--font-display); font-size: 22px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.02em; margin-bottom: 6px;
}
.skill-cell .num { color: var(--accent); font-size: 13px; letter-spacing: 0.2em; display: block; margin-bottom: 18px; }
.skill-cell p { font-size: 14px; color: var(--dim); margin-bottom: 22px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 12px; padding: 6px 12px; border: 1px solid var(--line);
  border-radius: 999px; color: var(--ink); letter-spacing: 0.04em;
  transition: border-color 0.25s, color 0.25s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ============ PROJECTS — pinned horizontal scroll ============ */
.pin-wrap { position: relative; }
.pin-sticky {
  position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden;
  display: flex; flex-direction: column; justify-content: center;
  background: var(--bg2);
}
.pin-head { padding: 0 40px; margin-bottom: 44px; }
.pin-track {
  display: flex; gap: 32px; padding: 0 40px;
  will-change: transform;
}
.case {
  flex: 0 0 min(560px, 80vw);
  border: 1px solid var(--line); background: var(--panel);
  padding: 44px 40px 40px; position: relative; overflow: hidden;
}
.case .cnum {
  font-family: var(--font-display); font-weight: 800;
  font-size: 90px; line-height: 1; color: transparent;
  -webkit-text-stroke: 1px var(--faint);
  position: absolute; top: 18px; right: 24px;
}
.case h3 {
  font-family: var(--font-display); font-size: 26px; font-weight: 700;
  text-transform: uppercase; line-height: 1.15; max-width: 80%;
  margin-bottom: 18px;
}
.case .meta { font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 22px; }
.case p { font-size: 14.5px; color: var(--dim); margin-bottom: 26px; }
.case .chips { margin-bottom: 0; }
.case .case-links { display: flex; gap: 22px; margin-top: 28px; }
.case .case-links a {
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}
.case .case-links a:hover { border-color: var(--accent); }

/* ============ CERTS ============ */
.cert-group {
  font-family: var(--font-display); font-size: 13px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim);
  margin: 0 0 36px;
}
.cert-group::before { content: "// "; color: var(--accent); }
.cert-apply + .cert-group { margin-top: 72px; }
.cert-group + .minor-certs { margin-top: 0; }
.certs { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.cert { text-align: center; flex: 1 1 140px; }
.cert .badge {
  width: 96px; height: 96px; margin: 0 auto 20px;
  border: 1px solid var(--accent); transform: rotate(45deg);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.3s, box-shadow 0.3s;
}
.cert .badge span {
  transform: rotate(-45deg); font-family: var(--font-display);
  font-weight: 800; font-size: 17px; color: var(--accent); letter-spacing: 0.04em;
}
.cert:hover .badge { background: color-mix(in oklab, var(--accent) 8%, transparent); box-shadow: 0 0 40px color-mix(in oklab, var(--accent) 25%, transparent); }
.cert h4 { font-size: 13px; font-weight: 500; letter-spacing: 0.06em; margin-bottom: 4px; }
.cert span.year { font-size: 12px; color: var(--dim); }
.cert .verify { display: inline-block; margin-top: 10px; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); border-bottom: 1px solid transparent; transition: color 0.25s, border-color 0.25s; }
.cert .verify:hover { color: var(--accent); border-color: var(--accent); }

.cert-apply { margin-top: 72px; border: 1px solid var(--line); padding: 40px 36px; background: var(--bg2); }
.cert-apply-lead {
  font-family: var(--font-display); font-size: clamp(18px, 2vw, 24px); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.01em; margin-bottom: 32px; max-width: 640px;
}
.cert-apply-lead .hl { color: var(--accent); }
.cert-apply-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cert-apply-grid b {
  display: block; font-family: var(--font-display); font-size: 13px;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px;
}
.cert-apply-grid p { font-size: 13px; color: var(--dim); }

.minor-certs { margin-top: 72px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.minor { background: var(--bg); padding: 28px 24px; }
.minor h4 { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.minor span { font-size: 12px; color: var(--dim); }
.minor a { display: inline-block; margin-top: 14px; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.minor a:hover { border-bottom: 1px solid var(--accent); }
/* lone card in the last grid row stretches so no empty track shows through */
.minor-certs .minor:last-child:nth-child(3n+1) { grid-column: 1 / -1; }

/* ============ CVE / RESEARCH ============ */
.cve-list { border-top: 1px solid var(--line); }
.cve-row {
  display: grid; grid-template-columns: 220px 1fr 60px;
  gap: 24px; align-items: center;
  padding: 26px 8px; border-bottom: 1px solid var(--line);
  transition: background 0.25s, padding-left 0.3s;
}
.cve-row:hover { background: color-mix(in oklab, var(--accent) 3%, transparent); padding-left: 20px; }
.cve-row .cid { font-size: 13px; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; }
.cve-row .cid small { display: block; color: var(--dim); letter-spacing: 0.06em; margin-top: 3px; text-transform: none; }
.cve-row .cdesc { font-size: 15px; color: var(--ink); }
.cve-row .cdesc small { display: block; color: var(--dim); font-size: 12.5px; margin-top: 3px; }
.cve-row .arrow { text-align: right; color: var(--faint); transition: color 0.25s, transform 0.25s; }
.cve-row:hover .arrow { color: var(--accent); transform: translateX(6px); }

/* ============ HOMELAB ============ */
.lab-intro {
  font-size: clamp(17px, 1.6vw, 21px); line-height: 1.7;
  color: var(--ink); max-width: 780px; margin-bottom: 64px;
}
.lab-intro .hl { color: var(--accent); }
.lab-proof { margin-bottom: 72px; max-width: 780px; }
.lab-proof > b {
  display: block; font-family: var(--font-display); font-size: 12px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px;
}
.lab-proof ul { list-style: none; }
.lab-proof li {
  position: relative; padding: 10px 0 10px 26px;
  font-size: 14px; color: var(--dim); border-top: 1px solid var(--line);
}
.lab-proof li:last-child { border-bottom: 1px solid var(--line); }
.lab-proof li::before { content: ">"; position: absolute; left: 2px; color: var(--accent); }
.lab-flow {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin-bottom: 72px;
}
.lab-step { background: var(--bg); padding: 28px 22px; }
.lab-step b { display: block; font-family: var(--font-display); color: var(--accent); font-size: 12px; letter-spacing: 0.18em; margin-bottom: 14px; }
.lab-step h4 { font-size: 15px; font-weight: 700; text-transform: uppercase; margin-bottom: 8px; }
.lab-step p { font-size: 13px; color: var(--dim); }

.lab-scenarios {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); margin-bottom: 72px;
}
.lab-scenarios .lab-step { background: var(--bg2); }

.lab-notes { margin-top: 72px; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.lab-note { background: var(--bg); padding: 40px 36px; }
.lab-note h3 {
  font-family: var(--font-display); font-size: 16px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.04em; color: var(--accent); margin-bottom: 22px;
}
.lab-note ul { list-style: none; }
.lab-note li {
  position: relative; padding: 9px 0 9px 26px;
  font-size: 13.5px; color: var(--dim); border-top: 1px solid var(--line);
}
.lab-note li::before { content: ">"; position: absolute; left: 2px; color: var(--accent); }

.hosts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.host { background: var(--bg); padding: 32px 28px; transition: background 0.3s; }
.host:hover { background: color-mix(in oklab, var(--accent) 4%, var(--bg)); }
.host .htag { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 14px; }
.host h3 { font-family: var(--font-display); font-size: 19px; font-weight: 700; text-transform: uppercase; margin-bottom: 8px; }
.host p { font-size: 13.5px; color: var(--dim); margin-bottom: 18px; }

.stats.cols4 { grid-template-columns: repeat(4, 1fr); margin-top: 72px; }
.sec-cta {
  display: inline-block; margin-top: 56px;
  font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); border-bottom: 1px solid transparent; transition: border-color 0.25s;
}
.sec-cta:hover { border-color: var(--accent); }

/* ============ EXPERIENCE ============ */
.timeline { position: relative; padding-left: 48px; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 1px; background: var(--line);
}
.t-item { position: relative; padding-bottom: 64px; }
.t-item:last-child { padding-bottom: 0; }
.t-item::before {
  content: ""; position: absolute; left: -44px; top: 8px;
  width: 9px; height: 9px; background: var(--bg); border: 1px solid var(--accent);
  transform: rotate(45deg);
}
.t-item .when { font-size: 12px; letter-spacing: 0.2em; color: var(--accent); text-transform: uppercase; }
.t-item h3 { font-family: var(--font-display); font-size: 24px; font-weight: 700; margin: 10px 0 4px; text-transform: uppercase; }
.t-item .org { font-size: 14px; color: var(--dim); margin-bottom: 14px; }
.t-item p { font-size: 14.5px; color: var(--dim); max-width: 640px; }

/* ============ TESTIMONIALS ============ */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.quote { background: var(--bg2); padding: 44px 36px; display: flex; flex-direction: column; }
.quote .qmark { font-family: var(--font-display); font-size: 56px; font-weight: 800; line-height: 1; color: var(--accent); margin-bottom: 20px; }
.quote p { font-size: 15.5px; line-height: 1.75; flex: 1; }
.quote footer { margin-top: 28px; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); }
.quote footer b { display: block; color: var(--ink); letter-spacing: 0.06em; margin-bottom: 2px; }

/* ============ BLOG ============ */
.posts { border-top: 1px solid var(--line); }
.post {
  display: grid; grid-template-columns: 160px 1fr 60px; gap: 24px; align-items: baseline;
  padding: 30px 8px; border-bottom: 1px solid var(--line);
  transition: background 0.25s, padding-left 0.3s;
}
.post:hover { background: color-mix(in oklab, var(--accent) 3%, transparent); padding-left: 20px; }
.post time { font-size: 12.5px; color: var(--dim); letter-spacing: 0.08em; }
.post h3 { font-family: var(--font-display); font-size: clamp(20px, 2.4vw, 30px); font-weight: 700; text-transform: uppercase; letter-spacing: -0.01em; }
.post .arrow { text-align: right; color: var(--faint); transition: color 0.25s, transform 0.25s; }
.post:hover .arrow { color: var(--accent); transform: translateX(6px); }

/* ============ CONTACT ============ */
.contact {
  text-align: center; padding: 180px 0 120px; overflow: hidden;
  position: relative; isolation: isolate;
  background: var(--bg2); border-top: 1px solid var(--line);
}
/* Accent glow + faint terminal grid behind the final CTA — dissolves outward,
   recolors with the active accent like the rest of the rotation. */
.contact::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 65% 55% at 50% 28%,
      color-mix(in oklab, var(--accent) 16%, transparent) 0%, transparent 62%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: auto, 60px 60px, 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 35%, #000, transparent 78%);
  mask-image: radial-gradient(ellipse 75% 70% at 50% 35%, #000, transparent 78%);
}
.contact .big {
  font-family: var(--font-display);
  font-size: clamp(52px, 11vw, 176px); font-weight: 800;
  line-height: 0.95; text-transform: uppercase; letter-spacing: -0.03em;
}
.contact .big .outline { color: transparent; -webkit-text-stroke: 1.5px var(--ink); }
.contact .sub { margin: 32px 0 48px; color: var(--dim); font-size: 15px; }
.contact-intents { justify-content: center; max-width: 760px; margin: -16px auto 48px; }

.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.12em;
  text-transform: uppercase; font-weight: 700;
  color: #04130a; background: var(--accent);
  padding: 20px 40px; border: none; cursor: pointer;
  will-change: transform;
}
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.cta-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 40px; display: flex; justify-content: space-between; align-items: center;
  font-size: 12.5px; color: var(--dim);
}
.footer .status i {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); margin-right: 8px;
}
@media (prefers-reduced-motion: no-preference) {
  .footer .status i { animation: pulse 2s ease-in-out infinite; }
}
@keyframes pulse { 50% { opacity: 0.25; } }
.footer nav { display: flex; gap: 22px; }
.footer nav a:hover { color: var(--accent); }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .nav { padding: 16px 20px; }
  .nav.scrolled { padding: 12px 20px; }
  .nav ul { display: none; }
  .nav-burger { display: flex; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .skills-grid { grid-template-columns: 1fr; }
  .quotes { grid-template-columns: 1fr; }
  .lab-flow { grid-template-columns: 1fr; }
  .lab-scenarios { grid-template-columns: 1fr 1fr; }
  .lab-notes { grid-template-columns: 1fr; }
  .hosts { grid-template-columns: 1fr; }
  .minor-certs { grid-template-columns: 1fr 1fr; }
  .minor-certs .minor:last-child:nth-child(3n+1) { grid-column: auto; }
  .minor-certs .minor:last-child:nth-child(2n+1) { grid-column: 1 / -1; }
  .cert-apply-grid { grid-template-columns: 1fr 1fr; }
  .cert-apply, .lab-note { padding: 32px 24px; }
  .stats.cols4 { grid-template-columns: 1fr 1fr; }
  .cve-row { grid-template-columns: 1fr; gap: 8px; }
  .cve-row .arrow, .post .arrow { display: none; }
  .post { grid-template-columns: 1fr; gap: 6px; }
  .sec { padding: 90px 0; }
  .wrap { padding: 0 24px; }
  .pin-head { padding: 0 24px; margin-bottom: 28px; }
  .pin-track { padding: 0 24px; gap: 20px; }
  .case { flex-basis: min(480px, 85vw); padding: 32px 26px 30px; }
  .case .cnum { font-size: 64px; top: 14px; right: 18px; }
  .case h3 { font-size: 22px; max-width: 100%; }
  .hero-kicker { font-size: 11px; letter-spacing: 0.22em; }
  .contact { padding: 130px 0 90px; }
  .footer { flex-direction: column; gap: 18px; padding: 26px 24px; text-align: center; }
  .footer nav { flex-wrap: wrap; justify-content: center; gap: 8px 4px; }
  .footer nav a { padding: 10px 8px; }
  .timeline { padding-left: 36px; }
  .t-item::before { left: -32px; }
}

@media (max-width: 560px) {
  .minor-certs { grid-template-columns: 1fr; }
  .lab-scenarios { grid-template-columns: 1fr; }
  .cert-apply-grid { grid-template-columns: 1fr; }
  .term-body { font-size: 12.5px; padding: 18px 16px 22px; }
  .stat { padding: 24px 20px; }
  .skill-cell { padding: 32px 24px; }
  .host { padding: 26px 22px; }
  .btn { padding: 18px 28px; font-size: 13px; }
}
