/* ==========================================================================
   Tokens
   ========================================================================== */
:root {
  --bg: #050608;
  --ink: #EEF0F4;
  --ink-2: rgba(238, 240, 244, .74);
  --muted: rgba(238, 240, 244, .55);
  --line: rgba(238, 240, 244, .13);
  --panel: rgba(9, 10, 14, .72);
  --hue: #8FB4FF;           /* updated per section by JS */

  --display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--hue); color: var(--bg); }
:focus-visible { outline: 2px solid var(--hue); outline-offset: 4px; border-radius: 6px; }
.skip { position: fixed; left: 16px; top: -100px; z-index: 100; background: var(--ink); color: var(--bg); padding: 10px 14px; border-radius: 8px; }
.skip:focus { top: 16px; }

.label { display: inline-block; font: 500 12px/1.4 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.h2 { font: 700 clamp(40px, 6vw, 88px)/1 var(--display); letter-spacing: -.035em; margin-top: 16px; }

/* The particle field sits behind everything. */
.particles { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; transition: opacity 1.2s var(--ease); }
.is-wave .particles { opacity: .6; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px;
  padding: 16px var(--gutter);
  background: linear-gradient(var(--bg), transparent);
}
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font: 700 16px/1 var(--display); letter-spacing: -.01em; }
.brand svg { fill: none; stroke: var(--hue); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: stroke 1s var(--ease); }
.nav { display: flex; gap: 2px; }
.nav a { padding: 10px 16px; border-radius: 999px; font-size: 14px; color: var(--ink-2); transition: color .25s, background-color .25s; }
.nav a:hover, .nav a[aria-current="true"] { color: var(--ink); background: rgba(255,255,255,.07); }
.tools { justify-self: end; display: flex; gap: 8px; }
.sound.lang { padding: 0; width: 44px; justify-content: center; font: 500 13px/1 var(--mono); }
.sound {
  justify-self: end; display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 16px;
  border: 1px solid var(--line); border-radius: 999px; font-size: 14px; background: var(--panel);
  transition: border-color .3s, background-color .3s;
}
.sound:hover { border-color: var(--hue); }
.sound[aria-pressed="true"] { border-color: var(--hue); background: color-mix(in srgb, var(--hue) 14%, var(--bg)); }
.bars { display: inline-flex; align-items: end; gap: 2px; height: 14px; }
.bars i { width: 3px; height: 30%; background: var(--hue); border-radius: 1px; transition: background-color 1s; }
.sound[aria-pressed="true"] .bars i { animation: bar .9s ease-in-out infinite alternate; }
.sound[aria-pressed="true"] .bars i:nth-child(2) { animation-delay: -.3s; }
.sound[aria-pressed="true"] .bars i:nth-child(3) { animation-delay: -.6s; }
.sound[aria-pressed="true"] .bars i:nth-child(4) { animation-delay: -.15s; }
@keyframes bar { from { height: 20%; } to { height: 100%; } }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 50px; padding: 0 24px;
  border-radius: 999px; background: var(--ink); color: var(--bg); font: 600 15px/1 var(--sans);
  transition: background-color .3s var(--ease), color .3s, box-shadow .3s, transform .3s var(--ease);
}
.btn:hover { background: var(--hue); box-shadow: 0 0 32px color-mix(in srgb, var(--hue) 45%, transparent); transform: translateY(-1px); }
.btn-ghost { background: rgba(255,255,255,.05); color: var(--ink); border: 1px solid var(--line); min-height: 46px; padding: 0 20px; font-weight: 500; }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: var(--ink); border-color: var(--hue); box-shadow: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  min-height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  padding: 110px var(--gutter) 64px; position: relative;
}
.eyebrow { font: 500 13px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--hue); transition: color 1s; }
.hero-name {
  font: 700 clamp(64px, 15vw, 240px)/.9 var(--display); letter-spacing: -.045em;
  margin: 28px 0 32px;
  transition: color .8s var(--ease);
}
.hero-name .line { display: block; white-space: nowrap; }
/* When the particles are running, they become the visible name. The text stays for screen readers and selection. */
.particles-on .hero-name { color: transparent; }
.hero-lede { max-width: 44ch; font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; color: var(--ink-2); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 32px; }
.readout { position: absolute; left: var(--gutter); bottom: 28px; font: 400 11px/1 var(--mono); letter-spacing: .06em; color: var(--muted); font-variant-numeric: tabular-nums; }
.hint { position: absolute; right: var(--gutter); bottom: 28px; font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

/* ==========================================================================
   Numbers
   ========================================================================== */
.numbers { max-width: var(--wrap); margin: 0 auto; padding: 40px var(--gutter) 0; }
.numbers dl { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 24px; background: var(--panel); overflow: hidden; }
.numbers div { padding: 28px; display: flex; flex-direction: column; gap: 8px; }
.numbers div + div { border-left: 1px solid var(--line); }
.numbers dt { font: 500 12px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.numbers dd { font: 700 clamp(40px, 4.4vw, 64px)/1 var(--display); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }

/* ==========================================================================
   Sections
   ========================================================================== */
.section { max-width: var(--wrap); margin: 0 auto; padding: clamp(110px, 14vw, 190px) var(--gutter) 0; }
.section-head { margin-bottom: clamp(48px, 6vw, 80px); }

/* Projects */
.project {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 3vw, 40px); align-items: stretch;
  padding: clamp(12px, 1.4vw, 18px); border: 1px solid var(--line); border-radius: 32px; background: var(--panel);
  position: relative; isolation: isolate;
}
.project::before { /* the project's colour bleeding through the frame */
  content: ""; position: absolute; inset: -1px; border-radius: inherit; z-index: -1; padding: 1px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--hue) 70%, transparent), transparent 40%, transparent 60%, color-mix(in srgb, var(--hue) 40%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: .8; transition: background 1s;
}
.project + .project { margin-top: clamp(32px, 4vw, 56px); }
.project-card { padding: clamp(16px, 2.4vw, 32px); display: flex; flex-direction: column; gap: 22px; }
.project-top { display: flex; align-items: center; gap: 16px; }
.app-icon { width: 56px; height: 56px; border-radius: 14px; object-fit: cover; background: #111; box-shadow: 0 8px 24px -8px rgba(0,0,0,.8); }
.project-name { font: 700 clamp(36px, 4vw, 56px)/1 var(--display); letter-spacing: -.035em; }
.project-lede { color: var(--ink-2); font-size: 17px; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.facts div { padding: 16px 0; }
.facts div + div { padding-left: 16px; border-left: 1px solid var(--line); }
.facts dt { font: 500 11px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.facts dd { font: 700 28px/1.1 var(--display); letter-spacing: -.03em; margin-top: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font: 500 12px/1 var(--mono); padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.05); border: 1px solid var(--line); color: var(--ink-2); }
.project-card > .btn, .project-card > .btn-row { margin-top: auto; align-self: flex-start; }

.rail {
  display: flex; align-items: center; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  border-radius: 22px; padding: 22px; min-width: 0;
  background: radial-gradient(120% 90% at 50% 100%, color-mix(in srgb, var(--hue) 22%, transparent), transparent 70%), rgba(0,0,0,.35);
  transition: background 1s;
}
.rail::-webkit-scrollbar { display: none; }
.rail figure { flex: 0 0 clamp(170px, 19vw, 230px); scroll-snap-align: start; border-radius: 18px; overflow: hidden; background: #000; box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 24px 48px -20px rgba(0,0,0,.9); transition: transform .5s var(--ease); }
.rail figure:hover { transform: translateY(-6px); }
.rail img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; object-position: top; }

/* Also shipped */
.also { margin-top: clamp(80px, 10vw, 140px); }
.also-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.tile { display: flex; flex-direction: column; gap: 12px; padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); transition: border-color .3s, transform .4s var(--ease); }
.tile:hover { border-color: var(--hue); transform: translateY(-4px); }
.tile h4 { font: 700 24px/1.1 var(--display); letter-spacing: -.025em; }
.tile p { color: var(--muted); font-size: 15px; }
.tile-link { margin-top: auto; font-weight: 500; font-size: 15px; display: inline-flex; gap: 6px; min-height: 44px; align-items: flex-end; color: var(--hue); transition: color 1s; }

/* Experience */
.timeline { border-left: 1px solid var(--line); margin-left: 8px; }
.timeline li { position: relative; display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 8px 32px; padding: 0 0 48px 32px; }
.timeline li::before { content: ""; position: absolute; left: -5px; top: 8px; width: 9px; height: 9px; border-radius: 50%; background: var(--hue); box-shadow: 0 0 16px var(--hue); transition: background 1s, box-shadow 1s; }
.when { font: 400 13px/1.9 var(--mono); color: var(--muted); }
.timeline h3 { font: 700 clamp(26px, 2.6vw, 36px)/1.1 var(--display); letter-spacing: -.03em; }
.timeline .role { color: var(--muted); font-size: 15px; margin: 4px 0 10px; }
.timeline p:not(.role) { color: var(--ink-2); max-width: 62ch; }
.timeline .impact { color: var(--ink); font-weight: 500; margin-top: 10px; }

/* Skill "mixer" */
.eq { margin-top: clamp(48px, 6vw, 80px); padding: clamp(24px, 3vw, 40px); border: 1px solid var(--line); border-radius: 28px; background: var(--panel); }
.eq ul { display: grid; gap: 14px; margin-top: 22px; }
.eq li { display: grid; grid-template-columns: minmax(0, 1fr) 100px; align-items: center; gap: 16px; position: relative; padding: 14px 18px; border-radius: 12px; overflow: hidden; background: rgba(255,255,255,.03); }
.eq li::before { /* level meter */
  content: ""; position: absolute; inset: 0 auto 0 0; width: calc(var(--lvl) * 100%); z-index: -1;
  background: linear-gradient(90deg, color-mix(in srgb, var(--hue) 8%, transparent), color-mix(in srgb, var(--hue) 34%, transparent));
  transform-origin: left; transition: transform 1.4s var(--ease), background 1s;
}
.eq li { isolation: isolate; }
.motion .eq:not(.is-in) li::before { transform: scaleX(0); }
.eq span { font-weight: 500; }
.eq b { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); justify-self: end; }
.langs { margin-top: 22px; color: var(--muted); }
.langs + .langs { margin-top: 6px; }

/* Contact */
.contact { padding-bottom: clamp(80px, 10vw, 140px); }
.contact-title { font: 700 clamp(52px, 9vw, 150px)/.95 var(--display); letter-spacing: -.05em; margin: 18px 0 20px; }
.contact-lede { color: var(--ink-2); max-width: 46ch; font-size: 19px; }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px 64px; margin-top: clamp(40px, 5vw, 64px); }
.email { display: inline-block; font: 700 clamp(26px, 3vw, 44px)/1.1 var(--display); letter-spacing: -.03em; margin-bottom: 24px; overflow-wrap: anywhere; background: linear-gradient(var(--hue), var(--hue)) left bottom / 0 2px no-repeat; padding-bottom: 6px; transition: background-size .5s var(--ease); }
.email:hover { background-size: 100% 2px; }
.based { margin-top: 28px; color: var(--muted); font-size: 15px; }

.form { display: grid; gap: 20px; padding: clamp(22px, 3vw, 36px); border: 1px solid var(--line); border-radius: 28px; background: var(--panel); }
.field label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.opt { color: var(--muted); font-weight: 400; }
.field input, .field textarea { width: 100%; font: 400 17px/1.5 var(--sans); color: var(--ink); background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 12px; padding: 13px 15px; transition: border-color .25s, box-shadow .25s; }
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--hue); box-shadow: 0 0 0 4px color-mix(in srgb, var(--hue) 22%, transparent); }
.field [aria-invalid="true"] { border-color: #FF7B7B; }
.field-err { color: #FF9C9C; font-size: 14px; margin-top: 6px; }
.form .btn { justify-self: start; }
.btn[disabled] { opacity: .6; cursor: progress; }
.form-status { font-size: 15px; color: var(--ink-2); min-height: 1.5em; }

.site-footer { max-width: var(--wrap); margin: 0 auto; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 28px var(--gutter); border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.site-footer a:hover { color: var(--ink); }

/* ==========================================================================
   Reveal
   ========================================================================== */
.motion .reveal { opacity: 0; transform: translateY(32px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.motion .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .sound[aria-pressed="true"] .bars i { animation: none; height: 70%; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .also-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .project { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .site-header { grid-template-columns: 1fr auto; }
  .nav { display: none; }
  .numbers dl { grid-template-columns: 1fr 1fr; }
  .numbers div:nth-child(3) { border-left: 0; }
  .numbers div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .timeline li { grid-template-columns: 1fr; padding-left: 24px; }
  .contact-grid { grid-template-columns: 1fr; }
  .readout { display: none; }
  .hint { left: 0; right: 0; text-align: center; }
}
@media (max-width: 520px) {
  .brand span { display: none; }
  .also-grid { grid-template-columns: 1fr; }
  .facts dd { font-size: 22px; }
  .eq li { grid-template-columns: 1fr; gap: 4px; }
  .eq b { justify-self: start; }
  .rail { padding: 14px; }
  .rail figure { flex-basis: 58%; }
}