:root {
  color-scheme: light dark;
  --ink: #171713;
  --muted: #66665e;
  --paper: #f3f0e8;
  --surface: #fffdf7;
  --line: #cfcbc0;
  --accent: #2457d6;
  --accent-ink: #ffffff;
  --max: 68rem;
  --measure: 44rem;
  --radius: 0.35rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; text-underline-offset: 0.22em; }

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-180%);
}

.skip-link:focus { transform: none; }

.site-header,
main,
footer {
  width: min(calc(100% - 2.5rem), var(--max));
  margin-inline: auto;
}

.site-header {
  min-height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.wordmark-mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.9rem;
}

nav { display: flex; gap: clamp(1rem, 3vw, 2.5rem); font-size: 0.92rem; }
nav a { text-decoration: none; }
nav a:hover { text-decoration: underline; }

.hero { padding: clamp(5rem, 11vw, 9rem) 0 clamp(5rem, 10vw, 8rem); }

.eyebrow,
.section-index,
.work-kicker {
  margin: 0 0 1.25rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(3.25rem, 9vw, 7.6rem);
  line-height: 0.98;
  letter-spacing: -0.075em;
  font-weight: 830;
}

.hero-summary {
  max-width: var(--measure);
  margin: clamp(2rem, 5vw, 3.75rem) 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.2vw, 1.36rem);
  line-height: 1.75;
}

.hero-summary strong { color: var(--ink); font-weight: 720; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  font-weight: 720;
  text-decoration: none;
}

.button-primary { background: var(--ink); color: var(--paper); }
.button-secondary { background: transparent; }
.button:hover { transform: translateY(-1px); }

.work-section,
.principles,
.author-strip { border-top: 1px solid var(--line); }

.work-section,
.principles { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }

.section-heading { display: grid; grid-template-columns: minmax(10rem, 0.65fr) 2fr; gap: 2rem; margin-bottom: 3rem; }
.section-heading h2 { margin: 0; font-size: clamp(2rem, 4.5vw, 3.7rem); line-height: 1.1; letter-spacing: -0.045em; }
.section-heading h2 span { display: block; margin-top: 0.5rem; color: var(--muted); font-size: 0.36em; letter-spacing: 0.08em; text-transform: uppercase; }

.work-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(15rem, 0.8fr);
  gap: clamp(2.5rem, 8vw, 6rem);
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--surface);
  border: 1px solid var(--line);
}

.home-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: start;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  margin-top: clamp(1.5rem, 4vw, 3rem);
}

.home-gallery figure { margin: 0; }
.home-gallery figure:nth-child(2) { margin-top: 3rem; }
.home-gallery img { border: 1px solid var(--line); }
.home-gallery figcaption { margin-top: 0.7rem; color: var(--muted); font-size: 0.78rem; }

.work-copy { align-self: center; }
.work-copy h3 { max-width: 16ch; margin: 0; font-size: clamp(2rem, 5vw, 4.2rem); line-height: 1.04; letter-spacing: -0.055em; }
.work-copy > p:not(.work-kicker) { max-width: 38rem; color: var(--muted); font-size: 1.05rem; }

.tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 2rem 0; list-style: none; }
.tag-list li { padding: 0.36rem 0.65rem; border: 1px solid var(--line); font-size: 0.8rem; font-weight: 680; }

.version-list { margin: 0; border-block: 1px solid var(--line); }
.version-list div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.75rem 0; }
.version-list div + div { border-top: 1px solid var(--line); }
.version-list dt { color: var(--muted); }
.version-list dd { margin: 0; font-weight: 760; font-variant-numeric: tabular-nums; }

.text-links { display: grid; gap: 0.65rem; margin-top: 1.5rem; }
.text-links a { font-weight: 730; }

.work-visual { margin: 0; align-self: end; }
.phone-frame { max-width: 19rem; margin-inline: auto; padding: 0.65rem; background: #171713; border-radius: 2rem; box-shadow: 0 1.8rem 4rem rgb(24 24 19 / 18%); }
.phone-frame img { border-radius: 1.45rem; }
.work-visual figcaption { margin-top: 1rem; color: var(--muted); font-size: 0.83rem; text-align: center; }

.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.principle-grid article { min-height: 14rem; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principle-grid span { color: var(--accent); font-weight: 800; }
.principle-grid h3 { margin: 3rem 0 0.5rem; font-size: 1.3rem; }
.principle-grid p { margin: 0; color: var(--muted); }

.author-strip { display: grid; grid-template-columns: minmax(10rem, 0.65fr) 2fr auto; align-items: center; gap: 2rem; padding: 3rem 0; }
.author-strip h2 { margin: 0; font-size: 2rem; letter-spacing: -0.04em; }
.author-strip p { margin: 0.25rem 0 0; color: var(--muted); }
.author-strip > a { font-weight: 720; white-space: nowrap; }

footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem 0 3rem; color: var(--muted); border-top: 1px solid var(--line); font-size: 0.85rem; }
footer p { margin: 0; }

@media (max-width: 48rem) {
  .site-header { min-height: 4.7rem; }
  nav { gap: 1rem; }
  nav a:last-child { display: none; }
  .section-heading,
  .work-card,
  .author-strip { grid-template-columns: 1fr; }
  .section-heading { gap: 0.5rem; }
  .principle-grid { grid-template-columns: 1fr; }
  .home-gallery { grid-template-columns: 1fr; }
  .home-gallery figure:nth-child(2) { margin-top: 0; }
  .principle-grid article { min-height: auto; }
  .principle-grid h3 { margin-top: 1.5rem; }
  .author-strip { gap: 1rem; }
}

@media (max-width: 30rem) {
  .site-header,
  main,
  footer { width: min(calc(100% - 1.5rem), var(--max)); }
  .hero { padding-top: 4rem; }
  .hero h1 { font-size: clamp(3rem, 17vw, 4.7rem); }
  .hero-actions { display: grid; }
  .work-card { padding: 1.1rem; }
  footer { display: grid; gap: 0.5rem; }
}

.about-page {
  max-width: 54rem;
  padding: clamp(5rem, 11vw, 9rem) 0;
}

.about-page > h1 {
  margin: 0;
  font-size: clamp(4rem, 12vw, 8.5rem);
  line-height: 0.95;
  letter-spacing: -0.08em;
}

.about-lead {
  max-width: 38rem;
  margin: 2.5rem 0 clamp(4rem, 9vw, 7rem);
  color: var(--muted);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
}

.about-page section { padding: 3rem 0; border-top: 1px solid var(--line); }
.about-page section h2 { margin: 0; font-size: clamp(2rem, 4.5vw, 3.6rem); line-height: 1.08; letter-spacing: -0.05em; }
.about-page section p:not(.section-index) { max-width: var(--measure); color: var(--muted); }

.not-found {
  min-height: 100vh;
  display: grid;
  align-content: center;
  justify-items: start;
  padding-block: 3rem;
}

.not-found h1 { max-width: 12ch; margin: 0; font-size: clamp(3rem, 10vw, 7rem); line-height: 1; letter-spacing: -0.07em; }
.not-found p:not(.eyebrow) { color: var(--muted); }

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f0eee7;
    --muted: #aaa79e;
    --paper: #151513;
    --surface: #1e1e1a;
    --line: #3b3a34;
    --accent: #7fa3ff;
    --accent-ink: #111111;
  }
  .wordmark-mark,
  .button-primary { background: var(--ink); color: var(--paper); }
  .phone-frame { background: #070707; box-shadow: 0 1.8rem 4rem rgb(0 0 0 / 42%); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

.breadcrumb {
  display: flex;
  gap: 0.6rem;
  padding: 1.5rem 0;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
}

.work-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(14rem, 0.65fr);
  align-items: center;
  gap: clamp(2rem, 8vw, 7rem);
  min-height: 42rem;
  padding: clamp(3.5rem, 9vw, 7.5rem) 0;
}

.work-hero h1 {
  margin: 0;
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.08em;
}

.work-lead {
  max-width: 40rem;
  margin: 2.5rem 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2.3vw, 1.4rem);
}

.work-lead strong { color: var(--ink); }

.work-hero-image {
  max-width: 20rem;
  margin: 0 auto;
  padding: 0.65rem;
  background: #171713;
  border-radius: 2.15rem;
  box-shadow: 0 1.8rem 4rem rgb(24 24 19 / 18%);
  transform: rotate(1.6deg);
}

.work-hero-image img { border-radius: 1.55rem; }

.fact-band {
  display: grid;
  grid-template-columns: minmax(12rem, 0.75fr) minmax(20rem, 1.25fr);
  gap: 2rem 4rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  color: var(--accent-ink);
  background: var(--accent);
}

.fact-band .section-index { color: currentColor; opacity: 0.76; }
.fact-band h2 { max-width: 13ch; margin: 0; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.08; letter-spacing: -0.045em; }
.fact-band dl { margin: 0; }
.fact-band dl div { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid currentColor; }
.fact-band dt { opacity: 0.82; }
.fact-band dd { display: flex; align-items: baseline; gap: 1rem; margin: 0; text-align: right; }
.fact-band dd strong { font-size: 1.5rem; }
.fact-band dd span { font-size: 0.78rem; opacity: 0.82; }
.status-note { grid-column: 2; max-width: var(--measure); margin: 0; font-size: 0.88rem; opacity: 0.9; }

.feature-section,
.screenshots,
.tech-section,
.availability { padding: clamp(4rem, 9vw, 7.5rem) 0; border-top: 1px solid var(--line); }

.feature-list { border-top: 1px solid var(--line); }

.feature-item {
  display: grid;
  grid-template-columns: minmax(4rem, 0.35fr) minmax(0, 1.65fr);
  gap: clamp(1.5rem, 6vw, 5rem);
  padding: clamp(2rem, 5vw, 4rem) 0;
  border-bottom: 1px solid var(--line);
}

.feature-number { color: var(--accent); font-size: 0.8rem; font-weight: 800; letter-spacing: 0.12em; }
.feature-label { margin: 0 0 0.65rem; color: var(--accent); font-size: 0.75rem; font-weight: 780; letter-spacing: 0.11em; text-transform: uppercase; }
.feature-item h3 { margin: 0 0 1rem; font-size: clamp(1.6rem, 3.5vw, 2.7rem); line-height: 1.15; letter-spacing: -0.04em; }
.feature-item p,
.feature-item li { max-width: var(--measure); color: var(--muted); }
.feature-item ul { padding-left: 1.2rem; }

.feature-highlight { position: relative; }
.feature-highlight::after { content: "DEV 3.0"; position: absolute; top: 2rem; right: 0; color: var(--muted); font-size: 0.68rem; font-weight: 800; letter-spacing: 0.14em; }

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: start;
  gap: clamp(0.75rem, 2vw, 1.5rem);
}

.screenshot-grid figure { margin: 0; }
.screenshot-grid img { border: 1px solid var(--line); }
.screenshot-grid figure:nth-child(even) { margin-top: 4rem; }
.screenshot-grid figcaption { margin-top: 0.75rem; color: var(--muted); font-size: 0.78rem; }

.tech-section {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, 0.9fr);
  gap: clamp(2rem, 8vw, 7rem);
}

.tech-section h2,
.availability h2 { margin: 0; font-size: clamp(2.4rem, 5vw, 4.6rem); line-height: 1.04; letter-spacing: -0.055em; }
.tech-section > div > p:last-child,
.availability > p { max-width: var(--measure); color: var(--muted); font-size: 1.05rem; }

.tech-list { margin: 0; border-top: 1px solid var(--line); }
.tech-list div { display: flex; justify-content: space-between; gap: 1.5rem; padding: 0.8rem 0; border-bottom: 1px solid var(--line); }
.tech-list dt { color: var(--muted); }
.tech-list dd { margin: 0; text-align: right; font-weight: 680; }

.availability { max-width: 52rem; }

.disclaimer {
  padding: 1.25rem 0 3rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
}

@media (max-width: 48rem) {
  .work-hero,
  .fact-band,
  .tech-section { grid-template-columns: 1fr; }
  .work-hero { min-height: auto; }
  .work-hero-image { max-width: 15rem; }
  .status-note { grid-column: auto; }
  .fact-band dd { display: grid; gap: 0.2rem; }
  .screenshot-grid { grid-template-columns: repeat(2, 1fr); }
  .screenshot-grid figure:nth-child(even) { margin-top: 2rem; }
}

@media (max-width: 30rem) {
  .fact-band { padding: 1.4rem; }
  .fact-band dl div { grid-template-columns: 1fr; }
  .fact-band dd { text-align: left; }
  .feature-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .feature-highlight::after { top: 2rem; }
}