:root {
  color-scheme: dark;
  --bg: #07070c;
  --panel: #0d0d16;
  --ink: #e8e8f2;
  --muted: #8a8aa3;
  --line: #1f1f30;
  --cyan: #00f0ff;
  --pink: #ff2a6d;
  --yellow: #fcee0a;
  --font: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scrollbar-width: none; }
html::-webkit-scrollbar { display: none; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(60rem 26rem at 50% -8rem, rgba(0, 240, 255, 0.07), transparent 70%),
    radial-gradient(40rem 20rem at 85% -4rem, rgba(255, 42, 109, 0.06), transparent 70%),
    var(--bg);
  background-repeat: no-repeat;
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  text-transform: lowercase;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--pink); color: #fff; }

a { color: inherit; text-decoration: none; }
p, ul, ol, h1, h2 { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { display: block; }

:focus-visible { outline: 1px solid var(--cyan); outline-offset: 4px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

.wrap { max-width: 750px; margin: 0 auto; padding: 0 24px; }

/* ── header ── */
.site-header { padding: 64px 0 32px; }

.mark {
  display: block; width: 76px; height: 76px; margin: 0 auto 20px;
  filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.45));
  transition: filter 0.3s ease, transform 0.6s cubic-bezier(.4, 0, .2, 1);
}
.mark:hover {
  filter: drop-shadow(0 0 14px rgba(255, 42, 109, 0.7));
  transform: rotate(-8deg) scale(1.05);
}
.mark-img {
  display: block; width: 100%; height: 100%;
  background: var(--cyan);
  -webkit-mask: url(assets/symbol.png) center / contain no-repeat;
  mask: url(assets/symbol.png) center / contain no-repeat;
  transition: background 0.3s ease;
}
.mark:hover .mark-img { background: var(--pink); }

#site-name {
  display: flex; align-items: center; justify-content: center;
  min-height: 1.3em; margin-bottom: 30px;
  font-size: clamp(1.75rem, 5.2vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  white-space: nowrap;
  text-shadow: -1.5px 0 rgba(255, 42, 109, 0.75), 1.5px 0 rgba(0, 240, 255, 0.75);
}
#tw-cursor {
  display: inline-block; width: 0.5em; height: 0.95em; margin-left: 4px;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: blink 0.8s step-end infinite;
}
#tw-cursor.done { animation: none; opacity: 0; }
@keyframes blink { 50% { opacity: 0; } }

#site-nav {
  display: flex; justify-content: center; gap: clamp(20px, 6vw, 48px);
  margin-bottom: 32px;
  opacity: 0; transition: opacity 0.5s ease;
}
#site-nav.show { opacity: 1; }

.nav-btn {
  position: relative; padding: 2px 0;
  background: none; border: 0; cursor: pointer;
  color: var(--ink); font: inherit; text-transform: lowercase;
  opacity: 0.5; transition: opacity 0.2s, color 0.2s;
}
.nav-btn:hover { opacity: 0.9; }
.nav-btn.active { opacity: 1; color: var(--cyan); }
.nav-btn::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -5px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.7);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.45s cubic-bezier(.65, 0, .35, 1);
}
.nav-btn.active::after { transform: scaleX(1); }
#site-nav:not(.show) .nav-btn::after { transform: scaleX(0); }

.rule { height: 1px; background: var(--line); }
#site-divider, #site-content { opacity: 0; transition: opacity 0.5s ease; }
#site-divider.show, #site-content.show { opacity: 1; }

/* ── pages ── */
main { min-height: 50vh; padding-top: 40px; }

.page { transition: opacity 0.28s cubic-bezier(.4, 0, .2, 1), transform 0.28s cubic-bezier(.4, 0, .2, 1); }
.page-hidden { display: none; }
.page-exit { opacity: 0; transform: translateY(-5px); }
.page-enter { opacity: 0; transform: translateY(6px); }

.fade-item { opacity: 0; transform: translateY(10px); transition: opacity 0.45s ease, transform 0.45s ease; }
.fade-item.visible { opacity: 1; transform: none; }

.lede { font-size: 17px; margin-bottom: 64px; }

section { margin-bottom: 56px; }

h2 {
  margin-bottom: 20px;
  color: var(--cyan);
  font-size: 12px; font-weight: 700; letter-spacing: 0.15em;
}
h2::before { content: "// "; color: var(--pink); }

.dots li { display: flex; gap: 14px; align-items: flex-start; }
.dots li + li { margin-top: 10px; }
.dots li::before {
  content: ""; flex: none; width: 5px; height: 5px; margin-top: 0.62em;
  background: var(--pink); box-shadow: 0 0 6px var(--pink);
}

.ilink { border-bottom: 1px dotted rgba(0, 240, 255, 0.6); transition: color 0.2s, border-color 0.2s; }
.ilink:hover { color: var(--yellow); border-color: var(--yellow); }

.icons { display: flex; align-items: center; gap: 36px; }
.icons a { opacity: 0.7; transition: opacity 0.2s, color 0.2s, filter 0.2s; }
.icons a:hover { opacity: 1; color: var(--cyan); filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.7)); }

/* ── experience rows ── */
.row {
  display: grid; grid-template-columns: 116px 1fr; gap: 24px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
  transition: border-color 0.2s;
}
.row:first-child { padding-top: 0; }
.row:hover { border-color: rgba(0, 240, 255, 0.5); }
.yr { color: var(--muted); font-size: 13px; padding-top: 2px; }
.row .at { color: var(--cyan); }
.d { margin-top: 3px; color: var(--muted); font-size: 13px; }

/* ── project cards ── */
.grid { display: grid; grid-template-columns: 1fr; gap: 48px 32px; }
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } }

.viz { position: relative; display: block; aspect-ratio: 1 / 1; margin-bottom: 12px; }
.card .t { font-size: 14px; }
.card .y { margin-left: 12px; color: var(--muted); }

.win {
  position: absolute; overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line); border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.win img, .win svg, .tile img { width: 100%; height: 100%; object-fit: cover; }
.card:hover .win {
  border-color: rgba(0, 240, 255, 0.55);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 22px rgba(0, 240, 255, 0.16);
}
.card:hover .win + .win, .card:hover .win.photo { border-color: rgba(255, 42, 109, 0.6); transform: translateY(-3px); }

.tile {
  position: absolute; aspect-ratio: 1 / 1; overflow: hidden; z-index: 2;
  border-radius: 24%; box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
}

.chip {
  position: absolute; z-index: 2; display: flex; flex-direction: column;
  padding: 8px 12px;
  background: rgba(7, 7, 12, 0.92);
  border: 1px solid var(--line); border-left: 2px solid var(--pink); border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  font-size: 11px; color: var(--muted);
}
.chip b { color: var(--yellow); font-size: 20px; font-weight: 500; line-height: 1.2; }

.out {
  position: absolute; z-index: 2; display: inline-flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 12px; transition: color 0.2s;
}
.card:hover .out { color: var(--cyan); }

.intent { z-index: 2; display: flex; flex-direction: column; gap: 4px; padding: 10px 12px; font-size: 12px; }
.intent .k { color: var(--muted); font-size: 10px; letter-spacing: 0.15em; }
.intent .v i { color: var(--pink); font-style: normal; }
.intent .bar { height: 3px; margin-top: 4px; background: var(--line); }
.intent .bar span { display: block; width: 92%; height: 100%; background: var(--pink); box-shadow: 0 0 8px var(--pink); }

/* card visuals animate on hover (always on for touch screens) */
.scroll { animation: scroll 7s linear infinite; }
@keyframes scroll { to { transform: translateX(-400px); } }

.rings ellipse { opacity: 0.16; animation: ring 2.6s ease-in-out infinite; }
.rings ellipse:nth-child(1) { opacity: 0.8; }
.rings ellipse:nth-child(2) { opacity: 0.55; animation-delay: 0.2s; }
.rings ellipse:nth-child(3) { opacity: 0.38; animation-delay: 0.4s; }
.rings ellipse:nth-child(4) { opacity: 0.25; animation-delay: 0.6s; }
.rings ellipse:nth-child(5) { animation-delay: 0.8s; }
@keyframes ring { 30% { opacity: 1; stroke-width: 2; } }

.ping { transform-box: fill-box; transform-origin: center; animation: ping 2.6s ease-out infinite; }
@keyframes ping { to { transform: scale(5); opacity: 0; } }

.scroll, .rings ellipse, .ping { animation-play-state: paused; }
.card:hover .scroll, .card:hover .rings ellipse, .card:hover .ping { animation-play-state: running; }
@media (hover: none) {
  .scroll, .rings ellipse, .ping { animation-play-state: running; }
}

/* ── footer ── */
footer { margin-top: 96px; padding-bottom: 48px; }
footer p { margin-top: 40px; text-align: center; color: var(--muted); font-size: 12px; }

@media (max-width: 520px) {
  .site-header { padding-top: 44px; }
  .row { grid-template-columns: 1fr; gap: 4px; }
  .lede { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}