:root {
  --bg: #050506;
  --fg: #f2f2ef;
  --muted: #8d8d93;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #5ec8ff;
  --sans: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --gutter: clamp(16px, 4vw, 48px);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

::selection {
  background: var(--accent);
  color: var(--bg);
}

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

.dim {
  color: var(--muted);
}

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

.portrait {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 1.6s ease;
}

.portrait.is-ready {
  opacity: 1;
}

.portrait-fallback {
  display: none;
  position: fixed;
  right: 4vw;
  bottom: 0;
  height: 86vh;
  width: auto;
  filter: grayscale(1) contrast(1.15) brightness(0.9);
  opacity: 0.5;
}

.no-webgl .portrait {
  display: none;
}

.no-webgl .portrait-fallback {
  display: block;
}

/* Top bar -------------------------------------------------------------- */

.bar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 18px var(--gutter);
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  /* Solid enough at the top to hide what scrolls underneath. */
  background: linear-gradient(var(--bg) 55%, rgba(5, 5, 6, 0));
}

.bar__mark {
  font-size: 14px;
  letter-spacing: 0.02em;
}

.bar__mark span {
  color: var(--accent);
}

.bar__nav {
  display: flex;
  gap: 24px;
  margin-left: auto;
}

.bar__nav a,
.bar__blog {
  color: var(--muted);
  transition: color 0.2s;
}

.bar__nav a:hover,
.bar__blog:hover {
  color: var(--fg);
}

.bar__blog {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fg);
}

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

main {
  position: relative;
  z-index: 1;
}

.label {
  margin: 0;
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: pre;
}

/* Only hide what the script will reveal; without JS everything stays visible. */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.9s ease,
    transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

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

.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 28px;
  padding: 120px var(--gutter) 48px;
  /* Leave the right side of the viewport to the portrait. */
  max-width: min(760px, 56vw);
}

.hero__name {
  margin: 0;
  font-weight: 500;
  font-size: clamp(56px, 8.4vw, 132px);
  line-height: 0.88;
  letter-spacing: -0.055em;
}

.hero__line {
  display: block;
  animation: rise 1.3s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero__line + .hero__line {
  animation-delay: 0.12s;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(0.35em);
  }
}

.hero__lede {
  margin: 0;
  max-width: 34ch;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.45;
  color: #cfcfcc;
}

.specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 32px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font: 400 13px/1.4 var(--mono);
}

.specs dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.specs dd {
  margin: 0;
}

.specs a {
  border-bottom: 1px solid var(--accent);
}

.hero__cue {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0 0;
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero__cue-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  50% {
    opacity: 0.2;
  }
}

/* Blocks --------------------------------------------------------------- */

.block {
  display: grid;
  /* Label on the left edge, content centred in the page. */
  grid-template-columns: minmax(160px, 1fr) minmax(0, 720px) minmax(0, 1fr);
  gap: 32px;
  padding: 18vh var(--gutter);
}

.block > .label {
  grid-column: 1;
}

.block > .block__body {
  grid-column: 2;
}

.block__body > p {
  margin: 0 0 1em;
  color: #cfcfcc;
  font-size: 18px;
}

.block__title {
  margin: -0.15em 0 32px;
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.entries,
.projects,
.posts,
.entry__points,
.contact__links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.entry {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.entry:first-child {
  padding-top: 0;
  border-top: 0;
}

.entry__meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 10px;
  font: 400 12px/1.4 var(--mono);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.entry__title,
.project__title {
  margin: 0 0 14px;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.entry__points li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 6px;
  color: #cfcfcc;
}

.entry__points li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--muted);
}

.project {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}

.project:first-child {
  padding-top: 0;
  border-top: 0;
}

.project__index {
  font: 400 12px/2.2 var(--mono);
  color: var(--muted);
}

.project p {
  margin: 0 0 14px;
  color: #cfcfcc;
}

.project__title a {
  background: linear-gradient(var(--accent), var(--accent)) 0 100% / 0 1px no-repeat;
  transition: background-size 0.35s ease;
}

.project__title a:hover {
  background-size: 100% 1px;
}

.tags {
  font: 400 12px/1.4 var(--mono);
  letter-spacing: 0.04em;
  color: var(--muted) !important;
}

.post {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  transition: padding 0.3s ease, color 0.3s ease;
}

.posts li:last-child .post {
  border-bottom: 1px solid var(--line);
}

.post time {
  font: 400 12px/1 var(--mono);
  color: var(--muted);
}

.post__title {
  font-size: 18px;
  letter-spacing: -0.01em;
}

.post__arrow {
  color: var(--muted);
  transition: transform 0.3s ease, color 0.3s ease;
}

.post:hover {
  padding-left: 10px;
}

.post:hover .post__arrow {
  color: var(--accent);
  transform: translateX(4px);
}

.more {
  display: inline-block;
  margin-top: 28px;
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

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

.block--contact {
  min-height: 100vh;
  align-content: center;
}

.contact__title {
  margin: 0 0 32px;
  font-size: clamp(48px, 8vw, 112px);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.05em;
}

.contact__mail {
  display: inline-block;
  margin-bottom: 32px;
  font-size: clamp(18px, 2.2vw, 26px);
  border-bottom: 1px solid var(--accent);
  overflow-wrap: anywhere;
}

.contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact__links a {
  color: var(--muted);
  transition: color 0.2s;
}

.contact__links a:hover {
  color: var(--fg);
}

/* Footer & HUD --------------------------------------------------------- */

.foot {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 24px var(--gutter) 64px;
  border-top: 1px solid var(--line);
  font: 400 11px/1.4 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.hud {
  position: fixed;
  right: var(--gutter);
  bottom: 18px;
  z-index: 5;
  margin: 0;
  font: 400 10px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: pre;
  pointer-events: none;
}

/* Small screens -------------------------------------------------------- */

@media (max-width: 1100px) {
  .specs {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }
}

@media (max-width: 900px) {
  .block {
    grid-template-columns: minmax(0, 1fr);
  }

  .block > .label,
  .block > .block__body {
    grid-column: 1;
  }

  .block {
    gap: 20px;
    padding: 14vh var(--gutter);
  }
}

@media (max-width: 720px) {
  .bar__nav {
    display: none;
  }

  .bar__blog {
    margin-left: auto;
  }

  /* The portrait sits behind the name here, so give the text a dark floor. */
  .hero {
    padding-bottom: 32px;
    gap: 22px;
    max-width: none;
    background: linear-gradient(to top, var(--bg) 38%, rgba(5, 5, 6, 0.7) 58%, rgba(5, 5, 6, 0) 74%);
  }

  .specs {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .post {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px 12px;
  }

  .post time {
    grid-column: 1 / -1;
  }

  .entry__meta {
    flex-direction: column;
    gap: 4px;
  }

  .hud {
    display: none;
  }

  .portrait-fallback {
    right: -10vw;
    height: 70vh;
    opacity: 0.35;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js .reveal,
  .portrait {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__line,
  .hero__cue-dot {
    animation: none;
  }
}

.inline-link {
  border-bottom: 1px solid var(--accent);
}

/* Courses list in Info ------------------------------------------------------- */

.block__sub {
  margin: 40px 0 12px;
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.courses {
  margin: 0;
  padding: 0;
  list-style: none;
}

.courses li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.courses li:last-child {
  border-bottom: 1px solid var(--line);
}

.courses a {
  color: var(--text, #cfcfcc);
  transition: color 0.2s;
}

.courses a:hover {
  color: var(--accent);
}

.courses span {
  flex: none;
  font: 400 11px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}