:root {
  color-scheme: dark;
  --bg: #0f1112;
  --panel: #171a1c;
  --panel-deep: #121517;
  --line: #2e3437;
  --text: #f2f2ee;
  --body: #c6c9c5;
  --muted: #9ba1a0;
  --accent: #a3f53c;
  --on-accent: #0f1112;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, "Cascadia Mono", Menlo, Consolas, monospace;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --wrap: min(100%, calc(64rem + 2 * var(--gutter)));
  --label-col: 13rem;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font: 1.0625rem/1.65 var(--sans);
  counter-reset: project;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--muted);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
  transition: color 0.15s, text-decoration-color 0.15s, background-color 0.15s, border-color 0.15s;
}

a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.topbar-inner {
  display: flex;
  align-items: center;
  width: var(--wrap);
  min-height: 3.75rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  padding-block: 0.5rem;
  font: 500 1rem/1.5 var(--display);
  letter-spacing: 0.01em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Hero */
.hero,
.section,
.footer {
  width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.hero {
  padding-block: clamp(2.5rem, 7vh, 4.5rem) clamp(2.5rem, 6vh, 4rem);
}

h1 {
  color: var(--text);
  font: 500 clamp(2.5rem, 13vw, 9.25rem)/0.95 var(--display);
  letter-spacing: -0.035em;
  text-align: center;
  text-transform: uppercase;
  white-space: nowrap;
}

.hero-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem 3rem;
  margin-top: clamp(2rem, 5vh, 3.25rem);
}

.lede {
  flex: 1 1 20rem;
  max-width: 30rem;
  color: var(--text);
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  line-height: 1.5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: 1.25rem;
  border: 1px solid var(--muted);
  border-radius: 999px;
  font-size: 0.9375rem;
  text-decoration: none;
}

.pill:hover {
  border-color: var(--accent);
}

.pill-solid {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

.pill-solid:hover {
  background: var(--text);
  border-color: var(--text);
  color: var(--on-accent);
}

/* Sections */
.section {
  padding-block: clamp(2.75rem, 6vw, 4.5rem) 0;
}

h2 {
  color: var(--muted);
  font: 400 0.875rem/1.5 var(--mono);
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

h2::before {
  content: "// ";
  color: var(--accent);
}

.about-section {
  position: relative;
  display: grid;
  gap: 0.875rem;
}

.about-section::before {
  content: "";
  position: absolute;
  inset: 0 var(--gutter) auto;
  border-top: 1px solid var(--line);
}

.about {
  max-width: 40rem;
  color: var(--text);
  font-size: 1.1875rem;
  line-height: 1.6;
}

/* Project cards */
.project {
  counter-increment: project;
  margin-top: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.project + .project {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

/* The aspect-ratio box reserves the space, so loading never shifts layout. */
.media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--panel-deep);
}

.media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.placeholder {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-position: center;
  background-size: 3.5rem 3.5rem;
  color: var(--muted);
  font: 0.8125rem/1 var(--mono);
  letter-spacing: 0.04em;
}

.placeholder span {
  padding: 0.625rem 0.875rem;
  background: var(--panel-deep);
}

/* Shown when a card has no video set, or its file failed to load. */
.media video[data-src=""] + .placeholder,
.media.is-missing .placeholder {
  display: flex;
}

.media video[data-src=""],
.media.is-missing video,
.media.is-missing .toggle {
  display: none;
}

.toggle {
  position: absolute;
  right: 0.5rem;
  bottom: 0.5rem;
  min-width: 3.5rem;
  min-height: 2rem;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(15 17 18 / 0.8);
  color: var(--text);
  font: 0.75rem/1 var(--mono);
  cursor: pointer;
}

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

.project-body {
  display: grid;
  gap: 1rem;
  padding: clamp(1.25rem, 3vw, 2rem);
}

h3 {
  color: var(--text);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

h3::before {
  content: counter(project, decimal-leading-zero);
  display: block;
  margin-bottom: 0.375rem;
  color: var(--accent);
  font: 400 0.8125rem/1.5 var(--mono);
  letter-spacing: 0;
}

.meta {
  margin-top: 0.375rem;
  color: var(--muted);
  font: 0.8125rem/1.6 var(--mono);
}

.note {
  margin-top: 0.75rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1.125rem;
  margin-top: 1.125rem;
  color: var(--muted);
  font: 0.8125rem/1.6 var(--mono);
}

.repo {
  display: inline-block;
  margin-top: 0.625rem;
  padding-block: 0.5rem;
  font: 0.8125rem/1.6 var(--mono);
  overflow-wrap: anywhere;
}

/* Footer */
.footer {
  margin-top: clamp(3.5rem, 8vw, 5.5rem);
  color: var(--muted);
  font: 0.875rem/1.6 var(--mono);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding-block: 1.5rem 2rem;
  border-top: 1px solid var(--line);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.75rem;
}

.links a {
  display: inline-block;
  padding-block: 0.625rem;
}

@media (min-width: 45rem) {
  .project-body {
    grid-template-columns: var(--label-col) minmax(0, 1fr);
    gap: 2rem;
  }

  .about-section {
    grid-template-columns: var(--label-col) minmax(0, 1fr);
    gap: 2rem;
  }

  .about-section h2 {
    padding-top: 0.25rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

@media (prefers-reduced-motion: reduce) {
  a {
    transition: none;
  }
}