:root {
  color-scheme: dark;
  --bg: #0a0c0b;
  --ink: #e8e6e0;
  --muted: #a0aaa4;
  --accent: #7ef0b2;
  --rule: rgba(232, 230, 224, 0.18);
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --gutter: clamp(24px, 4.8vw, 80px);
  --menu-size: 76px;
  --menu-top: max(16px, env(safe-area-inset-top));
}

* { box-sizing: border-box; }
html { scroll-padding-top: 24px; scrollbar-gutter: stable; touch-action: manipulation; }
body {
  margin: 0;
  touch-action: manipulation;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
}
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
a, button { touch-action: manipulation; }
a:hover { color: var(--accent); }
button { font: inherit; }
body.menu-open { overflow: hidden; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
.accent { color: var(--accent); }
.shell { width: min(100% - var(--gutter) * 2, 1440px); margin-inline: auto; }
.skip-link {
  position: fixed;
  top: 12px;
  left: var(--gutter);
  z-index: 30;
  padding: 14px 20px;
  background: var(--accent);
  color: var(--bg);
  opacity: 0;
  transform: translateY(-160%);
}
.skip-link:focus { opacity: 1; transform: none; color: var(--bg); }
.grain {
  position: fixed;
  inset: 0;
  z-index: 15;
  pointer-events: none;
  opacity: 0.028;
  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='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Dense grains form a floating circle and loosen gently on hover. */
.particle-menu {
  position: fixed;
  top: var(--menu-top);
  right: var(--gutter);
  z-index: 20;
  display: grid;
  place-items: center;
  width: var(--menu-size);
  height: var(--menu-size);
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(10, 12, 11, 0.9) 15%, rgba(10, 12, 11, 0.35) 52%, transparent 72%);
  color: var(--ink);
  cursor: pointer;
}
.particle-menu-art { display: block; width: 100%; height: 100%; pointer-events: none; }
.particle-menu::before { content: ""; position: absolute; inset: 14px; border: 2px dotted var(--accent); border-radius: 50%; pointer-events: none; }
.particle-menu:has([data-ready])::before { display: none; }
.veil {
  position: fixed;
  inset: 0;
  z-index: 17;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0s linear 0.35s;
}
.menu-open .veil { opacity: 1; visibility: visible; pointer-events: auto; transition-delay: 0s; }
.menu-panel {
  position: fixed;
  top: calc(var(--menu-top) + var(--menu-size) + 12px);
  right: var(--gutter);
  z-index: 19;
  width: min(520px, 100% - var(--gutter) * 2);
  max-height: calc(100dvh - var(--menu-top) - var(--menu-size) - 36px - env(safe-area-inset-bottom));
  overflow-y: auto;
  padding: 22px 30px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 3px;
  transform: translateY(-6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    transform 0.18s ease,
    opacity 0.18s ease,
    visibility 0s linear 0.18s;
}
.menu-open .menu-panel {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}
.menu-item { position: relative; isolation: isolate; display: flex; align-items: baseline; gap: 22px; padding: 15px 10px; border-bottom: 1px solid rgba(232, 230, 224, 0.12); font: 38px/1.2 var(--serif); }
.menu-item:focus-visible { outline-offset: -4px; }
.menu-item > span { position: relative; z-index: 1; }
.menu-link-particles { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; pointer-events: none; }
.menu-item > span:last-child > span { display: inline-block; color: var(--accent); }
.menu-num { font: 10px var(--mono); color: var(--muted); }
.menu-contact {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding-block: 24px 8px;
  font-size: 11px;
}
.menu-contact a { position: relative; display: inline-block; }
.menu-loc { color: var(--muted); }
[hidden] { display: none !important; }

/* Hero: the introduction, portrait, and two quiet social links. */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  position: relative;
  isolation: isolate;
  border-bottom: 1px solid var(--rule);
}
.hero-content { position: relative; z-index: 2; padding-block: clamp(52px, 5vw, 82px) 54px; }
.eyebrow { display: flex; align-items: center; gap: 18px; margin: 0 0 20px; color: var(--accent); font-size: 10px; font-weight: 400; letter-spacing: 0.2em; line-height: 1.6; }
.eyebrow::after { content: ""; width: 36px; height: 1px; background: var(--accent); opacity: 0.55; }
.name { margin: 0 0 24px; font: 400 clamp(84px, 10.5vw, 162px)/0.84 var(--serif); letter-spacing: -0.045em; }
.name span, .name em { display: block; }
.name em { font-weight: 400; margin-top: 8px; }
.name .dot { display: inline; font-style: normal; color: var(--accent); }
.intro { margin: 0; max-width: 560px; font: 400 clamp(27px, 3vw, 44px)/1.12 var(--serif); letter-spacing: -0.015em; text-wrap: balance; }
.hero-note { margin: 17px 0 0; color: var(--muted); font-size: clamp(11px, 1vw, 13px); line-height: 1.8; letter-spacing: 0.025em; }
.social-links { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 24px; font-size: 11px; color: var(--muted); }
.social-links a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 5px; }
.social-links a:hover, .social-links a:focus-visible { color: var(--accent); text-decoration-color: currentColor; }
.link-arrow { color: var(--accent); }

.portrait { position: relative; align-self: end; min-width: 0; margin: 0; aspect-ratio: 1 / 1.13; }
.portrait::before { content: ""; position: absolute; inset: 9% -2% 0; z-index: -1; background: radial-gradient(ellipse at 56% 63%, rgba(49, 100, 68, 0.14), transparent 68%); }
.portrait-frame { position: absolute; inset: 0 -4% 0 -10%; }
.portrait-stage { position: absolute; inset: 0; overflow: hidden; }
.portrait-fallback, .particle-portrait { position: absolute; bottom: 0; left: 0; width: 100%; height: 100%; object-fit: contain; object-position: bottom; }
.particle-portrait { opacity: 0; transition: opacity 0.8s; }
.portrait-fallback { transition: opacity 0.8s; }
.portrait-frame.is-ready .portrait-fallback { opacity: 0.58; }
.portrait-frame.is-ready .particle-portrait { opacity: 1; }
.portrait-orbits { position: absolute; inset: 5% -2% 5% -8%; width: 110%; height: 90%; color: var(--accent); opacity: 0.55; z-index: -1; overflow: visible; }
.orbit-path { fill: none; stroke: currentColor; stroke-width: 0.7; }
.orbit-dashed { stroke-dasharray: 2 7; opacity: 0.65; }
.orbit-dot { fill: var(--bg); stroke: currentColor; stroke-width: 1.5; }
.registration { position: absolute; width: 20px; height: 20px; color: #b0bcb2; opacity: 0.55; }
.registration::before, .registration::after { content: ""; position: absolute; background: currentColor; }
.registration::before { top: 9px; left: 0; width: 20px; height: 1px; }
.registration::after { top: 0; left: 9px; height: 20px; width: 1px; }
.registration-one { top: 10%; left: 0; }
.registration-two { top: 25%; right: 1%; }
.portrait-caption { position: absolute; z-index: 3; right: 0; bottom: 24px; display: flex; align-items: center; gap: 12px; padding: 8px 10px; background: rgba(10, 12, 11, 0.83); color: #c4cfc7; font-size: 8px; line-height: 1.6; letter-spacing: 0.12em; }
.portrait-caption::before { content: ""; width: 24px; height: 1px; background: var(--accent); }

.section-heading { display: flex; align-items: center; gap: 16px; margin: 0 0 30px; font-size: 10px; line-height: 1.5; font-weight: 400; letter-spacing: 0.22em; text-transform: uppercase; }
.section-heading::after { content: ""; height: 1px; flex: 1; background: var(--rule); }
/* Activity: a year of GitHub contributions in the accent ramp, with a crosshair hover. */
.activity { padding-block: 25px 40px; }
.activity-chart { position: relative; min-width: 0; margin: 0; }
/* Padding keeps the scaled, glowing day inside the scroll clip; margins cancel it. */
.activity-scroll { container-type: inline-size; overflow: auto hidden; margin: -14px -12px 0; padding: 14px 12px 12px; scrollbar-width: none; }
.activity-scroll::-webkit-scrollbar { display: none; }
.activity-scroll.has-before { mask-image: linear-gradient(90deg, transparent, #000 48px); }
.activity-calendar {
  --gap: clamp(3px, 0.3vw, 5px);
  --label: 28px;
  --cell: clamp(10px, calc((100cqi - var(--label) - var(--gap) * var(--cols)) / var(--cols)), 20px);
  display: grid;
  grid-template-columns: var(--label) max-content;
  column-gap: var(--gap);
  row-gap: 10px;
  width: max-content;
  margin-left: auto;
}
.activity-months { grid-column: 2; display: grid; grid-template-columns: repeat(var(--cols), var(--cell)); column-gap: var(--gap); height: 12px; color: var(--muted); font-size: 9px; line-height: 12px; letter-spacing: 0.08em; }
.activity-months span { grid-row: 1; white-space: nowrap; transition: color 0.2s; }
.activity-weekdays { grid-column: 1; grid-row: 2; display: grid; grid-template-rows: repeat(7, var(--cell)); row-gap: var(--gap); align-items: center; color: var(--muted); font-size: 9px; transition: color 0.2s; }
.activity-weekdays span { transition: color 0.2s; }
.activity-months .is-active, .activity-weekdays .is-active { color: var(--accent); }
.activity-grid { grid-column: 2; grid-row: 2; display: grid; grid-template-rows: repeat(7, var(--cell)); grid-template-columns: repeat(var(--cols), var(--cell)); gap: var(--gap); cursor: crosshair; }
.activity-grid:focus-visible { outline: 1px solid var(--accent); outline-offset: 7px; }
.activity-cell { display: block; border-radius: 2px; background: rgba(232, 230, 224, 0.055); box-shadow: inset 0 0 0 1px rgba(232, 230, 224, 0.035); }
.activity-cell[data-level="1"] { background: rgba(126, 240, 178, 0.2); box-shadow: none; }
.activity-cell[data-level="2"] { background: rgba(126, 240, 178, 0.42); box-shadow: none; }
.activity-cell[data-level="3"] { background: rgba(126, 240, 178, 0.68); box-shadow: none; }
.activity-cell[data-level="4"] { background: var(--accent); box-shadow: 0 0 10px rgba(126, 240, 178, 0.28); }
.activity-grid .activity-cell { transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease; }
.activity-grid.is-tracking .activity-cell { opacity: 0.3; }
.activity-grid.is-tracking .activity-cell.is-cross { opacity: 0.8; }
.activity-grid.is-filtering .activity-cell { opacity: 0.12; }
.activity-grid.is-filtering .activity-cell.is-match { opacity: 1; }
.activity-grid .activity-cell.is-active { position: relative; z-index: 2; opacity: 1; transform: scale(1.75); box-shadow: 0 0 0 1.5px var(--bg), 0 0 0 2.5px var(--accent), 0 0 24px 3px rgba(126, 240, 178, 0.5); }

.activity-tip {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: auto auto;
  justify-content: start;
  align-items: baseline;
  column-gap: 9px;
  padding: 11px 15px 12px;
  background: #101512;
  border: 1px solid var(--rule);
  box-shadow: 0 18px 44px #000b;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}
.activity-tip::before { content: ""; position: absolute; top: -1px; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent)); }
.activity-tip::after { content: ""; position: absolute; bottom: -5px; left: var(--arrow, 50%); width: 8px; height: 8px; background: #101512; border: solid var(--rule); border-width: 0 1px 1px 0; transform: translateX(-50%) rotate(45deg); }
.activity-tip.is-shown { opacity: 1; }
.activity-tip strong { color: var(--accent); font: 400 30px/1 var(--serif); letter-spacing: -0.02em; }
.activity-tip span { font-size: 10px; }
.activity-tip time { grid-column: 1 / -1; margin-top: 7px; color: var(--muted); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; }

.activity-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 24px; margin-top: 22px; padding-top: 6px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 10px; letter-spacing: 0.04em; }
.activity-updated { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; }
.activity-updated::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px rgba(126, 240, 178, 0.14); }
.activity-legend { display: inline-flex; align-items: center; gap: 5px; }
.activity-legend .activity-cell { width: 11px; height: 11px; cursor: pointer; transition: transform 0.2s; }
.activity-legend .activity-cell:hover { transform: scale(1.4); }
.activity-legend .activity-cell:first-of-type { margin-left: 6px; }
.activity-legend .activity-cell:last-of-type { margin-right: 6px; }
.activity-profile { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: #c2c9c4; }
@media (max-width: 760px) {
  .activity { padding-block: 24px 30px; }
  .activity .section-heading { margin-bottom: 26px; }
  .activity-foot { justify-content: flex-start; column-gap: 20px; }
}

.colophon { border-top: 1px solid var(--rule); padding-block: 28px 24px; }
.contact-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 30px; }
.colophon-reach { margin: 0; font: 400 clamp(30px, 3vw, 42px)/1.2 var(--serif); letter-spacing: -0.02em; }
.reach-mail { display: inline-flex; align-items: center; gap: 22px; min-height: 48px; font-size: clamp(12px, 1.2vw, 16px); color: var(--accent); }
.reach-mail::before { content: ""; height: 1px; width: clamp(30px, 5vw, 90px); background: currentColor; opacity: 0.55; }
.colophon-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin-top: 34px; font-size: 9px; line-height: 1.8; color: var(--muted); }

@media (min-width: 1600px) {
  .particle-menu, .menu-panel { right: max(var(--gutter), calc((100vw - 1440px) / 2)); }
}
@media (max-width: 1000px) and (min-width: 761px) {
  .hero { grid-template-columns: 1.1fr 0.9fr; }
  .name { font-size: clamp(80px, 11vw, 110px); }
  .hero-content { padding-block: 56px 40px; }
  .portrait { align-self: center; aspect-ratio: 1 / 1.3; }
  .portrait-caption { font-size: 7px; letter-spacing: 0.03em; right: -5%; }
}
@media (max-width: 760px) {
  :root { --gutter: clamp(22px, 6vw, 40px); --menu-size: 64px; --menu-top: max(12px, env(safe-area-inset-top)); }
  .menu-panel { padding: 18px 24px; }
  .menu-item { font-size: 34px; }
  .hero { grid-template-columns: 1fr; }
  .hero-content { padding-block: 100px 12px; }
  .eyebrow { font-size: 9px; letter-spacing: 0.16em; gap: 14px; margin-bottom: 22px; }
  .eyebrow::after { width: 26px; }
  .name { font-size: clamp(80px, 20.5vw, 142px); margin-bottom: 25px; }
  .intro { max-width: 460px; font-size: clamp(28px, 6.8vw, 38px); text-wrap: pretty; }
  .hero-note { margin-top: 14px; font-size: 11px; }
  .social-links { margin-top: 15px; }
  .portrait { width: min(100%, 460px); justify-self: center; aspect-ratio: 1 / 1.02; margin-top: 0; }
  .portrait-frame { inset: -5% -3% 0; }
  .portrait-orbits { inset: 3% 0; width: 100%; height: 94%; }
  .portrait-caption { bottom: 15px; right: 0; font-size: 7px; }
  .registration-one { top: 15%; left: 3%; }
  .registration-two { top: 22%; right: 0; }
  .section-heading { margin-bottom: 0; font-size: 9px; }
  .colophon { padding-block: 28px 22px; }
  .contact-row { gap: 12px; }
  .colophon-reach { width: 100%; font-size: 34px; }
  .reach-mail { font-size: 13px; gap: 14px; }
  .reach-mail::before { width: 30px; }
  .colophon-meta { margin-top: 26px; font-size: 9px; }
}
@media (max-width: 360px) {
  :root { --gutter: 20px; }
  .name { font-size: 76px; }
  .social-links { gap: 18px; font-size: 10px; }
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
  a, button { transition: color 0.2s, background 0.2s, border-color 0.2s; }
  .hero-content { animation: arrive 0.85s ease-out both; }
  .portrait-orbits { animation: orbit-breathe 12s ease-in-out infinite alternate; }
  .activity.is-pending .activity-grid .activity-cell { opacity: 0; transform: scale(0.3); }
  .activity.is-revealing .activity-grid .activity-cell { transition-duration: 0.55s; transition-delay: calc(var(--c) * 14ms); }
  .activity-updated::before { animation: sync-pulse 2.6s ease-in-out infinite; }
  @keyframes sync-pulse { 50% { box-shadow: 0 0 0 6px rgba(126, 240, 178, 0); } }
  @keyframes arrive { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
  @keyframes orbit-breathe { from { transform: rotate(-3deg); } to { transform: rotate(3deg); } }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .particle-portrait { display: none; }
  .portrait-frame.is-ready .portrait-fallback { opacity: 1; }
}