:root {
  --bg: #f6f4f0;
  --bg-elevated: #fffdf9;
  --ink: #171614;
  --muted: #6f6b64;
  --line: rgba(23, 22, 20, 0.12);
  --line-strong: rgba(23, 22, 20, 0.28);
  --skel: rgba(23, 22, 20, 0.08);
  --skel-strong: rgba(23, 22, 20, 0.12);
  --media: #ece8e1;
  --shadow: 0 20px 50px rgba(23, 22, 20, 0.06);
  --radius: 14px;
  --header-h: 72px;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --max: 1080px;
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #111110;
  --bg-elevated: #191817;
  --ink: #f3efe8;
  --muted: #9b968d;
  --line: rgba(243, 239, 232, 0.12);
  --line-strong: rgba(243, 239, 232, 0.28);
  --skel: rgba(243, 239, 232, 0.08);
  --skel-strong: rgba(243, 239, 232, 0.14);
  --media: #1f1e1c;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

ul {
  list-style: none;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -40px;
  z-index: 100;
  padding: 0.5rem 0.75rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 6px;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0 var(--pad);
}

.wordmark {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.nav ul {
  display: flex;
  gap: 1.75rem;
}

.nav a,
.mobile-nav a {
  font-size: 0.88rem;
  color: var(--muted);
  letter-spacing: -0.01em;
}

.nav a:hover,
.nav a:focus-visible,
.mobile-nav a:hover,
.mobile-nav a:focus-visible {
  color: var(--ink);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 999px;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  background: var(--skel);
}

.theme-icon {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  box-shadow: 4px -4px 0 0 var(--ink) inset;
}

[data-theme="dark"] .theme-icon {
  box-shadow: none;
  background: var(--ink);
}

.menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.2s ease;
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

.nav a:focus-visible,
.wordmark:focus-visible,
.mobile-nav a:focus-visible,
.theme-toggle:focus-visible,
.menu-toggle:focus-visible,
.skip-link:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.mobile-nav {
  display: none;
  padding: 0 var(--pad) 1.25rem;
  border-top: 1px solid var(--line);
}

.mobile-nav ul {
  display: grid;
  gap: 0.85rem;
  padding-top: 1rem;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.hero {
  padding: clamp(4.5rem, 12vw, 8.5rem) 0 clamp(3.5rem, 8vw, 6rem);
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.1rem;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(3.4rem, 9vw, 7.4rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.92;
}

.hero-rule {
  width: 100%;
  height: 1px;
  background: var(--line);
  margin: 2.4rem 0 1.6rem;
}

.hero-meta {
  display: grid;
  gap: 0.7rem;
  max-width: 36rem;
}

.section {
  padding: 4.5rem 0;
  border-top: 1px solid var(--line);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2.4rem;
}

.section-header h2,
.about-col h3 {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-index,
.project-index {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 0.82rem;
}

.work-list {
  display: grid;
  gap: 1.25rem;
}

.project {
  display: grid;
  grid-template-columns: 2.2rem 1.15fr 0.85fr;
  gap: 1.25rem;
  align-items: stretch;
  padding: 1.15rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.project:hover {
  border-color: var(--line-strong);
}

.project-media {
  min-height: 168px;
  background:
    linear-gradient(135deg, transparent 49.5%, var(--line) 49.5%, var(--line) 50.5%, transparent 50.5%),
    var(--media);
  border-radius: 10px;
}

.project-body {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.7rem;
  padding: 0.35rem 0.35rem 0.2rem 0;
}

.tag-row {
  display: flex;
  gap: 0.45rem;
  margin-top: 0.55rem;
}

.tag-row li {
  width: 4.2rem;
  height: 1.35rem;
  border-radius: 999px;
  background: var(--skel);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3.5rem;
}

.copy-block,
.focus-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.1rem;
}

.focus-list li {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.contact-list {
  display: grid;
}

.contact-list li {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 4.2rem;
  border-top: 1px solid var(--line);
}

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

.contact-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--pad) 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.84rem;
  border-top: 1px solid var(--line);
}

.skel {
  display: block;
  height: 0.7rem;
  border-radius: 999px;
  background: var(--skel);
}

.skel-title {
  width: 42%;
  height: 1rem;
  background: var(--skel-strong);
}

.skel-line {
  width: 88%;
}

.skel-wide {
  width: 72%;
}

.skel-mid {
  width: 54%;
}

.skel-short {
  width: 34%;
}

@media (max-width: 860px) {
  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-nav.is-open {
    display: block;
  }

  .project {
    grid-template-columns: 1.8rem 1fr;
  }

  .project-index {
    grid-row: 1;
  }

  .project-media {
    grid-column: 2;
    min-height: 180px;
  }

  .project-body {
    grid-column: 1 / -1;
    padding: 0.2rem 0 0.15rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.4rem;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-top: 3.4rem;
  }

  .contact-list li {
    grid-template-columns: 1fr;
    gap: 0.45rem;
    padding: 1rem 0;
  }

  .site-footer {
    flex-direction: column;
  }
}

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