/* ==========================================================================
   burgov.nl
   ========================================================================== */

@font-face { font-family: "Geist"; src: url("/fonts/geist.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/fonts/geist-mono.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

@property --n    { syntax: "<integer>"; initial-value: 0; inherits: false; }
@property --spin { syntax: "<angle>";   initial-value: 0deg; inherits: false; }

@view-transition { navigation: auto; }

:root {
  color-scheme: dark;

  --bg:      oklch(0.11 0.02 275);
  --bg-2:    oklch(0.14 0.025 275);
  --ink:     oklch(0.97 0.01 270);
  --muted:   oklch(0.72 0.03 270);
  --faint:   oklch(0.55 0.03 270);
  --cyan:    oklch(0.84 0.14 205);
  --violet:  oklch(0.66 0.24 293);
  --pink:    oklch(0.72 0.22 350);
  --line:    oklch(1 0 0 / .08);
  --line-2:  oklch(1 0 0 / .16);
  --glass:   linear-gradient(180deg, oklch(1 0 0 / .065), oklch(1 0 0 / .02));
  --grad:    linear-gradient(100deg, var(--cyan), var(--violet) 50%, var(--pink));

  --sans:  "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:  "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --gutter: clamp(1.25rem, 5vw, 4rem);
  --max: 78rem;
  --radius: 1.5rem;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --spring: linear(0, .009, .035 2.1%, .141 4.4%, .723 12.9%, .938 16.7%, 1.017 19.4%, 1.043 22.4%, 1.035 26.1%, 1.012 31.5%, .998 38.1%, 1);
}

/* ---------- Base ---------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; interpolate-size: allow-keywords; scroll-padding-top: 6rem; background: var(--bg); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  font: 400 clamp(1rem, .95rem + .2vw, 1.0625rem)/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  padding-inline: var(--gutter);
}

/* film grain over everything */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 100; pointer-events: none; opacity: .06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1, h2, h3 { margin: 0; font-weight: 700; text-wrap: balance; letter-spacing: -.035em; }
p, li { text-wrap: pretty; }
a { color: inherit; }
::selection { background: var(--violet); color: var(--ink); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; border-radius: .4rem; }

/* gradient, shimmering emphasis */
em {
  font-style: normal;
  background: linear-gradient(100deg, var(--cyan) 0%, var(--violet) 25%, var(--pink) 50%, var(--violet) 75%, var(--cyan) 100%) 0 0 / 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: sheen 8s linear infinite;
}
@keyframes sheen { to { background-position: -200% 0; } }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.dim { color: var(--faint); }
.center { text-align: center; justify-content: center; }

main, .site-header, .site-footer { max-width: var(--max); margin-inline: auto; }

/* ---------- Background: grid, aurora orbs, top beam ---------------------------- */

.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.grid {
  position: absolute; inset: -2px;
  background-image:
    linear-gradient(oklch(1 0 0 / .055) 1px, transparent 1px),
    linear-gradient(90deg, oklch(1 0 0 / .055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask: radial-gradient(ellipse 70% 55% at 50% 0%, #000 20%, transparent 75%);
  animation: drift 24s linear infinite;
}
@keyframes drift { to { background-position: 0 72px, 0 72px; } }

.orb { position: absolute; width: 46vmax; aspect-ratio: 1; border-radius: 50%; filter: blur(100px); opacity: .7; mix-blend-mode: screen; }
.orb-1 { background: var(--violet); top: -18vmax; left: -6vmax; animation: float-1 22s ease-in-out infinite alternate; }
.orb-2 { background: var(--cyan);   top: -20vmax; right: -10vmax; opacity: .45; animation: float-2 26s ease-in-out infinite alternate; }
.orb-3 { background: var(--pink);   top: 25vh; left: 45%; width: 30vmax; opacity: .3; animation: float-3 30s ease-in-out infinite alternate; }
@keyframes float-1 { to { translate: 18vmax 10vmax; scale: 1.15; } }
@keyframes float-2 { to { translate: -16vmax 14vmax; scale: .9; } }
@keyframes float-3 { to { translate: -20vmax -10vmax; scale: 1.3; } }

.beam {
  position: absolute; top: -10vh; left: 50%; width: min(70rem, 120vw); height: 80vh; translate: -50% 0;
  background: conic-gradient(from 180deg at 50% 0%, transparent 160deg, oklch(0.84 0.14 205 / .22) 180deg, transparent 200deg);
  filter: blur(20px);
  mask: linear-gradient(#000, transparent 85%);
}

/* the background dims as you leave the hero */
@supports (animation-timeline: scroll()) {
  .bg { animation: dim linear both; animation-timeline: scroll(root); animation-range: 0 100vh; }
  @keyframes dim { to { opacity: .55; } }
}

/* ---------- Scroll progress --------------------------------------------------- */

.progress {
  position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 50;
  background: var(--grad); box-shadow: 0 0 12px var(--violet), 0 0 24px var(--cyan);
  transform-origin: 0 50%; scale: 0 1;
}
@supports (animation-timeline: scroll()) {
  .progress { animation: grow linear both; animation-timeline: scroll(root); }
  @keyframes grow { to { scale: 1 1; } }
}

/* ---------- Header ---------------------------------------------------------- */

.site-header {
  position: sticky; top: max(.75rem, env(safe-area-inset-top)); z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-top: .75rem; padding: .55rem .55rem .55rem .9rem;
  border: 1px solid transparent; border-radius: 999px;
}
@supports (animation-timeline: scroll()) {
  .site-header { animation: dock linear both; animation-timeline: scroll(root); animation-range: 0 160px; }
  @keyframes dock {
    to {
      background: oklch(0.16 0.025 275 / .65);
      border-color: var(--line-2);
      box-shadow: 0 20px 50px -20px oklch(0 0 0 / .8), 0 0 0 1px oklch(1 0 0 / .03) inset;
      backdrop-filter: blur(18px) saturate(1.6);
    }
  }
}

.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; font-weight: 600; letter-spacing: -.02em; }
.brand-mark {
  display: block; width: 2.1rem; aspect-ratio: 1; border-radius: .55rem;
  box-shadow: 0 0 20px -2px oklch(0.66 0.24 293 / .7);
  transition: rotate .6s var(--spring), scale .6s var(--spring);
}
.brand:hover .brand-mark { rotate: -12deg; scale: 1.08; }

.site-header ul { display: flex; gap: .2rem; margin: 0; padding: 0; list-style: none; }
.site-header nav a {
  display: block; padding: .5rem .95rem; border-radius: 999px; text-decoration: none;
  font-size: .9rem; color: var(--muted); transition: color .2s, background .2s;
}
.site-header nav a:hover { color: var(--ink); background: oklch(1 0 0 / .07); }
.site-header nav .nav-cta { color: var(--ink); background: oklch(1 0 0 / .1); box-shadow: 0 0 0 1px var(--line-2) inset; }
.site-header nav .nav-cta:hover { background: var(--ink); color: var(--bg); }

@media (width < 44rem) {
  .brand-name { display: none; }
  .site-header nav li:not(:last-child) { display: none; }
}

/* ---------- Shared bits ------------------------------------------------------ */

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem; margin: 0 0 1.75rem;
  padding: .45rem 1rem .45rem .75rem; border-radius: 999px;
  font: 500 .78rem/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--ink);
  background: oklch(0.84 0.14 205 / .08);
  box-shadow: 0 0 0 1px oklch(0.84 0.14 205 / .3) inset, 0 0 24px -6px oklch(0.84 0.14 205 / .5);
}
.pulse {
  width: .5rem; aspect-ratio: 1; border-radius: 50%; background: oklch(0.85 0.2 150);
  box-shadow: 0 0 0 0 oklch(0.85 0.2 150 / .7), 0 0 10px oklch(0.85 0.2 150);
  animation: pulse 2s var(--ease-out) infinite;
}
@keyframes pulse { to { box-shadow: 0 0 0 .7rem transparent, 0 0 10px oklch(0.85 0.2 150); } }

.kicker {
  display: inline-block; margin: 0 0 1.1rem; font: 500 .78rem/1 var(--mono); letter-spacing: .16em; text-transform: uppercase;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}

.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.5rem; }
.btn {
  --lift: 0px;
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .95rem 1.5rem; border-radius: 999px; text-decoration: none;
  font-weight: 600; font-size: .975rem; letter-spacing: -.01em;
  translate: 0 var(--lift);
  transition: translate .45s var(--spring), box-shadow .3s, background .2s;
}
.btn svg { width: 1.1em; height: 1.1em; fill: currentColor; }
.btn:hover { --lift: -3px; }
.btn:active { --lift: 0px; }
.btn-primary {
  color: #fff; background: var(--grad);
  box-shadow: 0 0 0 1px oklch(1 0 0 / .2) inset, 0 10px 40px -10px var(--violet), 0 0 60px -20px var(--cyan);
}
.btn-primary:hover { box-shadow: 0 0 0 1px oklch(1 0 0 / .3) inset, 0 16px 50px -10px var(--violet), 0 0 80px -10px var(--pink); }
/* light sweep */
.btn-primary::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, oklch(1 0 0 / .45) 50%, transparent 70%);
  translate: -120% 0; transition: translate .8s var(--ease-out);
}
.btn-primary:hover::after { translate: 120% 0; }
.btn-ghost { background: oklch(1 0 0 / .05); box-shadow: 0 0 0 1px var(--line-2) inset; backdrop-filter: blur(8px); }
.btn-ghost:hover { background: oklch(1 0 0 / .1); }

.section { padding-block: clamp(5rem, 12vw, 9rem); }
.section-head { max-width: 50rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.section-head h2, .path h2 { font-size: clamp(2.3rem, 1.4rem + 3.6vw, 4.25rem); line-height: 1.02; }
.section-lede { margin: 1.5rem 0 0; color: var(--muted); font-size: 1.1em; max-width: 42rem; }

/* glass + cursor spotlight, shared by cards and stat tiles */
.spot {
  --mx: 50%; --my: -200px;
  position: relative; isolation: isolate;
  background: var(--glass), var(--bg-2);
  border-radius: var(--radius);
  box-shadow: 0 0 0 1px var(--line) inset, 0 30px 60px -40px oklch(0 0 0 / .9);
}
.spot::before, .spot::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .4s; }
/* soft fill */
.spot::before { z-index: -1; background: radial-gradient(28rem circle at var(--mx) var(--my), oklch(0.66 0.24 293 / .16), transparent 45%); }
/* bright rim */
.spot::after {
  padding: 1px;
  background: radial-gradient(18rem circle at var(--mx) var(--my), oklch(0.84 0.14 205 / .9), oklch(0.66 0.24 293 / .5) 40%, transparent 70%);
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
}
.spot:hover::before, .spot:hover::after { opacity: 1; }

/* ---------- Hero ---------------------------------------------------------- */

.hero {
  display: grid; gap: clamp(3rem, 6vw, 5rem); align-items: center;
  grid-template-columns: 1.3fr 1fr;
  min-height: min(56rem, calc(100dvh - 5rem));
  padding-block: clamp(4rem, 10vw, 7rem) 3rem;
}
@media (width < 62rem) { .hero { grid-template-columns: 1fr; min-height: auto; } }

.hero h1 {
  font-size: clamp(2.8rem, 1.2rem + 5.2vw, 5.75rem); line-height: .98; letter-spacing: -.05em; font-weight: 750;
  background: linear-gradient(180deg, #fff 30%, oklch(0.78 0.03 270));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero h1 em { filter: drop-shadow(0 0 30px oklch(0.66 0.24 293 / .45)); }
.lede { margin: 2rem 0 0; max-width: 34rem; color: var(--muted); font-size: 1.15em; }

/* staggered entrance on load */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy > * { animation: rise 1s var(--ease-out) both; }
  .hero-copy > :nth-child(2) { animation-delay: .08s; }
  .hero-copy > :nth-child(3) { animation-delay: .2s; }
  .hero-copy > :nth-child(4) { animation-delay: .32s; }
  .terminal { animation: rise-3d 1.4s var(--ease-out) .35s both; }
  @keyframes rise { from { opacity: 0; translate: 0 1.75rem; filter: blur(10px); } }
  @keyframes rise-3d { from { opacity: 0; transform: perspective(1200px) rotateX(25deg) rotateY(-20deg) translateY(3rem); filter: blur(10px); } }
}

/* ---------- Portrait --------------------------------------------------------- */

.hero-visual { position: relative; padding-top: clamp(5rem, 9vw, 7rem); }
.portrait {
  position: absolute; top: 0; left: clamp(-2rem, -2vw, -.5rem); z-index: 3; margin: 0;
  width: clamp(7.5rem, 11vw, 10rem);
  animation: bob 6s ease-in-out infinite alternate;
}
.portrait::before {
  content: ""; position: absolute; inset: -4px; aspect-ratio: 1; border-radius: 50%; z-index: -1;
  background: conic-gradient(from var(--spin), var(--cyan), var(--violet), var(--pink), var(--cyan));
  box-shadow: 0 0 40px -4px var(--violet), 0 0 80px -20px var(--cyan);
  animation: spin 4s linear infinite;
}
.portrait img {
  display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 50%;
  border: 4px solid var(--bg);
}
.portrait figcaption {
  position: absolute; left: 72%; bottom: .4rem; white-space: nowrap;
  padding: .45rem .85rem; border-radius: 999px;
  font: 600 .82rem/1 var(--sans); letter-spacing: -.01em; color: var(--ink);
  background: oklch(0.18 0.03 280 / .8); backdrop-filter: blur(12px);
  box-shadow: 0 0 0 1px var(--line-2) inset, 0 10px 30px -10px oklch(0 0 0 / .8);
}
@keyframes bob { to { translate: 0 -10px; } }
@media (prefers-reduced-motion: no-preference) {
  .portrait img, .portrait figcaption { animation: pop .9s var(--spring) both; }
  .portrait img { animation-delay: .6s; }
  .portrait figcaption { animation-delay: 1s; }
  @keyframes pop { from { opacity: 0; scale: .6; } }
}
@media (width < 62rem) { .portrait { left: 0; } }

/* ---------- Terminal --------------------------------------------------------- */

.terminal {
  margin: 0; position: relative; isolation: isolate;
  border-radius: var(--radius);
  background: oklch(0.13 0.02 275 / .85);
  backdrop-filter: blur(20px);
  font: 400 clamp(.78rem, .72rem + .2vw, .875rem)/1.8 var(--mono);
  box-shadow: 0 50px 100px -30px oklch(0 0 0 / .9), 0 0 80px -20px oklch(0.66 0.24 293 / .5), 0 0 0 1px var(--line) inset;
  transform: perspective(1200px) rotateY(-8deg) rotateX(4deg);
  transition: transform .8s var(--spring);
}
.terminal:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
/* spinning gradient border */
.terminal::before {
  content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: inherit; padding: 1.5px;
  background: conic-gradient(from var(--spin), transparent 40%, var(--cyan), var(--violet), var(--pink), transparent 85%);
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: spin 5s linear infinite;
}
/* the glow that follows the border */
.terminal::after {
  content: ""; position: absolute; inset: 10%; z-index: -2; border-radius: inherit; filter: blur(50px); opacity: .55;
  background: conic-gradient(from var(--spin), var(--cyan), var(--violet), var(--pink), var(--cyan));
  animation: spin 5s linear infinite;
}
@keyframes spin { to { --spin: 360deg; } }

.terminal-bar { display: flex; align-items: center; gap: .45rem; padding: .95rem 1.15rem; border-bottom: 1px solid var(--line); }
.terminal-bar i { width: .7rem; aspect-ratio: 1; border-radius: 50%; background: oklch(1 0 0 / .14); }
.terminal-bar i:nth-child(1) { background: oklch(0.7 0.19 25); }
.terminal-bar i:nth-child(2) { background: oklch(0.82 0.16 85); }
.terminal-bar i:nth-child(3) { background: oklch(0.78 0.18 150); }
.terminal-bar span { margin-left: auto; font-size: .72rem; color: var(--faint); letter-spacing: .04em; }
.terminal-log { list-style: none; margin: 0; padding: 1.15rem 1.3rem 1.5rem; }
.terminal-log li { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: oklch(0.9 0.02 270); }
.terminal-log b { font-weight: 500; color: var(--cyan); }
.terminal .who { color: var(--pink); }
.terminal .ok  { color: oklch(0.85 0.2 150); text-shadow: 0 0 10px oklch(0.85 0.2 150 / .6); }
.terminal .acc { color: var(--violet); }
.terminal .dim { color: var(--faint); }
.caret { display: inline-block; width: .55em; height: 1.1em; margin-left: .3em; vertical-align: -.2em; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: no-preference) {
  .terminal-log li {
    clip-path: inset(0 100% 0 0);
    animation: type .5s steps(28, end) both;
    animation-delay: calc(1.3s + var(--i) * .5s);
  }
  @keyframes type { to { clip-path: inset(0 0 0 0); } }
}

/* ---------- Stats --------------------------------------------------------- */

.stats dl {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: 1rem; margin: 0;
}
.stat { display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: .6rem; padding: 1.75rem 1.75rem 1.6rem; }
.stat dt { color: var(--muted); font-size: .9rem; max-width: 14rem; }
.stat dd {
  margin: 0; font: 750 clamp(3.25rem, 2.5rem + 3vw, 4.75rem)/1 var(--sans); letter-spacing: -.06em;
  font-variant-numeric: tabular-nums;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 24px oklch(0.66 0.24 293 / .35));
}
.count { --n: var(--target); counter-reset: n var(--n); }
.count::after { content: counter(n); }
.count[data-suffix]::after { content: counter(n) "+"; }

/* With JS, start at 0 and count up once when first seen. Without JS, show the final value. */
.js .count:not(.seen) { --n: 0; }
@media (prefers-reduced-motion: no-preference) {
  .count.seen { animation: count 1.8s var(--ease-out) both; }
  @keyframes count { from { --n: 0; } to { --n: var(--target); } }
}
@media (prefers-reduced-motion: reduce) { .js .count:not(.seen) { --n: var(--target); } }

/* ---------- Scroll reveal --------------------------------------------------- */

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .reveal {
      animation: reveal linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 55%;
    }
    @keyframes reveal { from { opacity: 0; translate: 0 3rem; scale: .96; filter: blur(8px); } }
  }
}

/* ---------- Cards ----------------------------------------------------------- */

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr)); gap: 1.25rem; }
.card {
  container-type: inline-size;
  display: flex; flex-direction: column; gap: 1rem;
  padding: clamp(1.6rem, 3vw, 2.25rem);
  transition: translate .6s var(--spring);
}
.card:hover { translate: 0 -6px; }
.card h3 { font-size: clamp(1.4rem, 1.2rem + .8vw, 1.75rem); line-height: 1.15; }
.card p { margin: 0; color: var(--muted); }
.card-icon {
  position: relative; width: 3.25rem; aspect-ratio: 1; display: grid; place-items: center; border-radius: 1rem;
  background: var(--grad); color: #fff;
  box-shadow: 0 0 0 1px oklch(1 0 0 / .2) inset, 0 10px 30px -8px var(--violet);
}
.card-icon svg { width: 1.6rem; fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.card:hover .card-icon svg { animation: wiggle .7s var(--spring); }
@keyframes wiggle { 30% { rotate: -12deg; scale: 1.15; } }

.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin: auto 0 0; padding: .75rem 0 0; list-style: none; }
.tags li { padding: .32rem .7rem; border-radius: 999px; background: oklch(1 0 0 / .05); box-shadow: 0 0 0 1px var(--line) inset; font: 500 .72rem/1.2 var(--mono); color: var(--muted); }

/* ---------- Pipeline ------------------------------------------------------------- */

.pipeline-wrap { container-type: inline-size; view-timeline: --pipe block; }
.pipeline {
  position: relative; list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.25rem;
}
/* track, scroll-linked fill, and a light pulse that keeps running along it */
.pipeline::before, .pipeline::after, .pipeline-wrap::after {
  content: ""; position: absolute; left: 10%; right: 10%; top: 1.75rem; height: 2px; border-radius: 2px;
}
.pipeline-wrap { position: relative; }
.pipeline::before { background: var(--line-2); }
.pipeline::after  { background: var(--grad); box-shadow: 0 0 14px var(--violet); transform-origin: 0 50%; }
.pipeline-wrap::after {
  z-index: 1; height: 4px; top: calc(1.75rem - 1px);
  background: linear-gradient(90deg, transparent 0 40%, #fff 50%, transparent 60% 100%) 0 0 / 30% 100% no-repeat;
  filter: blur(1px) drop-shadow(0 0 6px #fff);
  animation: pulse-run 3.2s var(--ease-out) infinite;
}
@keyframes pulse-run { from { background-position: -40% 0; } to { background-position: 140% 0; } }

.step { position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: .6rem; }
.node {
  position: relative; z-index: 2; display: grid; place-items: center; width: 3.5rem; aspect-ratio: 1; border-radius: 50%;
  font: 600 1rem/1 var(--mono); color: #fff;
  background: var(--grad);
  box-shadow: 0 0 0 .45rem var(--bg), 0 0 0 calc(.45rem + 1px) var(--line-2), 0 0 40px -2px var(--violet);
}
.step h3 { margin-top: .9rem; font-size: 1.3rem; }
.step p { margin: 0; color: var(--muted); font-size: .9rem; max-width: 14rem; }

@container (width < 46rem) {
  .pipeline { grid-template-columns: 1fr; gap: 2rem; }
  .pipeline::before, .pipeline::after { left: 1.75rem; right: auto; top: 1.75rem; bottom: 1.75rem; width: 2px; height: auto; transform-origin: 50% 0; }
  .pipeline::after { background: linear-gradient(180deg, var(--cyan), var(--violet), var(--pink)); }
  .step { display: grid; grid-template-columns: 3.5rem 1fr; column-gap: 1.25rem; align-items: start; text-align: left; }
  .step .node { grid-row: span 2; }
  .step h3 { margin-top: .6rem; }
  .step p { max-width: none; }
}
/* the pulse lives on the wrapper itself, so a container query can't reach it */
@media (width < 52rem) { .pipeline-wrap::after { display: none; } }

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .pipeline::after { animation: fill-x linear both; animation-timeline: --pipe; animation-range: entry 60% cover 60%; }
    @keyframes fill-x { from { scale: 0 1; } }
    @keyframes fill-y { from { scale: 1 0; } }
    @container (width < 46rem) {
      .pipeline::after { animation-name: fill-y; }
    }

    .step, .node { animation: step-in linear both; animation-timeline: --pipe; }
    .node { animation-name: node-on; }
    .step:nth-child(1), .step:nth-child(1) .node { animation-range: entry 60%  cover 30%; }
    .step:nth-child(2), .step:nth-child(2) .node { animation-range: entry 75%  cover 37%; }
    .step:nth-child(3), .step:nth-child(3) .node { animation-range: entry 90%  cover 44%; }
    .step:nth-child(4), .step:nth-child(4) .node { animation-range: entry 100% cover 51%; }
    .step:nth-child(5), .step:nth-child(5) .node { animation-range: cover 30%  cover 58%; }
    @keyframes step-in { from { opacity: .3; translate: 0 1rem; } }
    @keyframes node-on {
      0%, 70% { background: var(--bg-2); color: var(--faint); box-shadow: 0 0 0 .45rem var(--bg), 0 0 0 calc(.45rem + 1px) var(--line-2); }
      85% { scale: 1.15; }
    }
  }
}

.pipeline-note {
  margin: clamp(3rem, 6vw, 4.5rem) auto 0; max-width: 42rem; text-align: center;
  font-size: clamp(1.15rem, 1rem + .6vw, 1.4rem); line-height: 1.45; color: var(--muted);
}

/* ---------- Stack marquee ---------------------------------------------------- */

.stack { padding-block: 1rem clamp(3rem, 8vw, 6rem); text-align: center; }
.marquee {
  display: flex; overflow: hidden; margin-inline: calc(var(--gutter) * -1); text-align: left;
  mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee + .marquee { margin-top: .25rem; }
.marquee-track {
  display: flex; flex-shrink: 0; gap: 1rem; margin: 0; padding: 1rem .5rem; list-style: none;
  animation: marquee 40s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track li {
  padding: .85rem 1.5rem; border-radius: 999px;
  background: var(--glass); box-shadow: 0 0 0 1px var(--line-2) inset;
  font: 600 clamp(1.1rem, .95rem + .6vw, 1.5rem)/1 var(--sans); letter-spacing: -.02em; white-space: nowrap;
  transition: box-shadow .3s, color .2s, translate .4s var(--spring);
}
.marquee-track li:hover {
  color: #fff; translate: 0 -3px;
  box-shadow: 0 0 0 1px var(--cyan) inset, 0 0 30px -4px var(--cyan), 0 0 60px -20px var(--violet);
}
@keyframes marquee { to { translate: -100% 0; } }
@media (prefers-reduced-motion: reduce) {
  .marquee { mask: none; margin-inline: 0; }
  .marquee-track { animation: none; flex-wrap: wrap; justify-content: center; flex-shrink: 1; }
  .marquee-track[aria-hidden] { display: none; }
}

/* ---------- Timeline (details/summary, animated natively) ---------------------- */

.timeline { display: grid; gap: .75rem; }
.timeline details {
  border-radius: var(--radius); background: var(--glass), var(--bg-2);
  box-shadow: 0 0 0 1px var(--line) inset;
  transition: box-shadow .4s;
}
.timeline details:hover { box-shadow: 0 0 0 1px var(--line-2) inset; }
.timeline details[open] { box-shadow: 0 0 0 1px oklch(0.66 0.24 293 / .5) inset, 0 0 60px -20px var(--violet); }
.timeline summary {
  display: grid; grid-template-columns: 8.5rem 1fr auto auto; gap: 1.5rem; align-items: center;
  padding: 1.4rem 1.6rem; cursor: pointer; list-style: none;
}
.timeline summary::-webkit-details-marker { display: none; }
.timeline summary::after {
  content: "+"; display: grid; place-items: center; width: 2rem; aspect-ratio: 1; border-radius: 50%;
  font: 400 1.25rem/1 var(--sans); color: var(--muted); box-shadow: 0 0 0 1px var(--line-2) inset;
  transition: rotate .5s var(--spring), color .2s, background .3s;
}
.timeline details[open] summary::after { rotate: 45deg; color: #fff; background: var(--grad); box-shadow: 0 0 20px -4px var(--violet); }
.when { font: 500 .8rem/1 var(--mono); color: var(--faint); }
.role { font-size: clamp(1.15rem, 1rem + .6vw, 1.45rem); font-weight: 650; letter-spacing: -.025em; line-height: 1.2; transition: color .2s; }
.timeline summary:hover .role { color: var(--cyan); }
.org  { color: var(--muted); font-size: .9rem; text-align: right; }

.timeline details::details-content {
  block-size: 0; overflow: clip;
  transition: block-size .5s var(--ease-out), content-visibility .5s allow-discrete;
}
.timeline details[open]::details-content { block-size: auto; }
.detail { padding: 0 4rem 1.75rem 11.6rem; color: var(--muted); }
.detail p { margin: 0; }
.detail ul { margin: 0; padding-left: 1.1rem; display: grid; gap: .5rem; }
.detail li::marker { color: var(--cyan); }

@media (width < 44rem) {
  .timeline summary { grid-template-columns: 1fr auto; gap: .45rem 1rem; padding: 1.25rem; }
  .when, .role, .org { grid-column: 1; }
  .org { text-align: left; }
  .timeline summary::after { grid-column: 2; grid-row: 1 / span 3; }
  .detail { padding: 0 1.25rem 1.5rem; }
}

/* ---------- Path / languages -------------------------------------------------------- */

.path-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: center; }
@media (width < 58rem) { .path-grid { grid-template-columns: 1fr; } }
.langs { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.langs li {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 1.35rem 1.6rem; border-radius: var(--radius); background: var(--glass), var(--bg-2);
  box-shadow: 0 0 0 1px var(--line) inset;
  transition: translate .6s var(--spring), box-shadow .3s;
}
.langs li:hover { translate: .6rem 0; box-shadow: 0 0 0 1px var(--violet) inset, 0 0 40px -12px var(--violet); }
.langs .word { font-size: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem); font-weight: 750; letter-spacing: -.04em; line-height: 1; }
.langs li:has(:lang(ru)) .word {
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.langs .lvl { font: 500 .75rem/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }

/* ---------- Contact ------------------------------------------------------------- */

.contact { padding-block: clamp(3rem, 8vw, 6rem) clamp(4rem, 10vw, 8rem); }
.contact-card {
  position: relative; overflow: hidden; isolation: isolate;
  text-align: center; padding: clamp(3.5rem, 9vw, 7rem) clamp(1.5rem, 6vw, 5rem);
  border-radius: calc(var(--radius) * 1.5);
  background: oklch(0.13 0.03 280);
  box-shadow: 0 0 0 1px var(--line-2) inset, 0 40px 120px -40px var(--violet);
}
.contact-card::before {
  content: ""; position: absolute; inset: -50%; z-index: -1; opacity: .5; filter: blur(70px);
  background: conic-gradient(from var(--spin) at 50% 50%, var(--cyan), transparent 20%, var(--violet) 40%, transparent 60%, var(--pink) 80%, var(--cyan));
  animation: spin 14s linear infinite;
}
.contact-card::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(oklch(1 0 0 / .06) 1px, transparent 1px), linear-gradient(90deg, oklch(1 0 0 / .06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask: radial-gradient(ellipse at center, #000, transparent 70%);
}
.contact-card h2 { font-size: clamp(2.5rem, 1.4rem + 4.6vw, 5.25rem); line-height: 1; letter-spacing: -.05em; max-width: 15ch; margin-inline: auto; }
.contact-card > p:not(.eyebrow) { max-width: 36rem; margin: 1.5rem auto 0; color: oklch(0.85 0.02 270); }

/* ---------- Footer --------------------------------------------------------------- */

.site-footer {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem;
  padding-block: 2rem max(2.5rem, env(safe-area-inset-bottom)); border-top: 1px solid var(--line);
  font-size: .85rem; color: var(--muted);
}
.site-footer p { margin: 0; }

/* ---------- Reduced motion: stop the ambient loops -------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .grid, .orb, .portrait, .portrait::before, .terminal::before, .terminal::after, .contact-card::before, .pulse, .caret, em, .pipeline-wrap::after { animation: none; }
  .terminal { transform: none; }
}