@font-face {
  font-family: 'Thasadith';
  src: url('../fonts/Thasadith-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Thasadith';
  src: url('../fonts/Thasadith-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #fafaf8;
  --fg: #1a1a1a;
  --muted: #8a8a86;
  --rule: #d8d8d4;
  --hover: #000;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 9rem;
  --max-w: 1280px;
  --read-w: 640px;
}

:root[data-theme='dark'] {
  --bg: #101010;
  --fg: #e8e6e2;
  --muted: #7a7a76;
  --rule: #2a2a28;
  --hover: #fff;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #101010;
    --fg: #e8e6e2;
    --muted: #7a7a76;
    --rule: #2a2a28;
    --hover: #fff;
  }
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Thasadith', system-ui, sans-serif;
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.65;
  letter-spacing: 0.005em;
  transition: background 0.2s ease, color 0.2s ease;
}

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

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: border-color 0.15s ease, color 0.15s ease;
}

a:hover {
  border-color: var(--hover);
  color: var(--hover);
}

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

h1, h2, h3, h4 {
  font-weight: 400;
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.75rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

h3 {
  font-size: 1.25rem;
  letter-spacing: 0;
}

h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

.read {
  max-width: var(--read-w);
}

.rule {
  border: 0;
  height: 1px;
  background: var(--rule);
  margin: var(--space-5) 0;
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  z-index: 50;
  transition: background 0.2s ease;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  max-width: var(--max-w);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .nav {
    padding: var(--space-2) var(--space-4);
  }
}

.brand {
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  border: 0;
}

.brand:hover {
  color: var(--hover);
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

.nav-links a {
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 0;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a[aria-current='page'] {
  color: var(--fg);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--fg);
  width: 32px;
  height: 32px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 0.875rem;
  transition: border-color 0.15s ease;
}

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

.theme-toggle svg {
  width: 14px;
  height: 14px;
}

.nav-toggle {
  display: inline-flex;
  background: transparent;
  border: 0;
  color: var(--fg);
  cursor: pointer;
  padding: 6px;
  font-family: inherit;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--rule);
  padding: var(--space-3);
  background: var(--bg);
}

.mobile-menu.open {
  display: block;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-menu a {
  font-size: 1.25rem;
  border: 0;
}

@media (min-width: 768px) {
  .mobile-menu {
    display: none !important;
  }
}

/* Sections */
.section {
  padding: var(--space-6) 0;
}

.section + .section {
  border-top: 1px solid var(--rule);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.section-head .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

/* Hero */
.hero {
  padding: var(--space-5) 0 var(--space-6);
}

.hero h1 {
  margin-bottom: var(--space-3);
  max-width: 14ch;
}

.hero .lede {
  max-width: 56ch;
  font-size: 1.1875rem;
  line-height: 1.6;
  color: var(--fg);
}

.hero-image {
  margin-top: var(--space-5);
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Grids */
.grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

@media (min-width: 600px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-2-wide {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

/* Work cards (image tiles) */
figure {
  margin: 0;
}

.tile {
  display: block;
  border: 0;
}

.tile img {
  width: 100%;
  height: auto;
  background: var(--rule);
  cursor: zoom-in;
  transition: opacity 0.2s ease;
}

.tile img:hover {
  opacity: 0.85;
}

.caption {
  margin-top: var(--space-1);
  font-size: 0.8125rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* Video cards */
.video-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
  cursor: pointer;
}

.video-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s ease;
}

.video-wrap:hover img {
  opacity: 0.85;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.play-icon {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  pointer-events: none;
  transition: background 0.15s ease, transform 0.15s ease;
}

.video-wrap:hover .play-icon {
  background: rgba(0, 0, 0, 0.75);
  transform: scale(1.05);
}

.play-icon svg {
  width: 22px;
  height: 22px;
  margin-left: 3px;
}

.video-meta h3 {
  margin-bottom: 4px;
}

.video-meta .role {
  font-size: 0.8125rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.video-meta .links {
  margin-top: var(--space-1);
  font-size: 0.8125rem;
}

.video-meta .links a {
  margin-right: var(--space-2);
}

/* Project cards (side projects) */
.project {
  display: grid;
  gap: var(--space-2);
  grid-template-columns: 1fr;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--rule);
}

@media (min-width: 768px) {
  .project {
    grid-template-columns: 220px 1fr;
    gap: var(--space-5);
    align-items: baseline;
  }
}

.project:last-child {
  border-bottom: 1px solid var(--rule);
}

.project .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.project h2 {
  margin-bottom: var(--space-2);
}

.project .meta {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: var(--space-2);
  letter-spacing: 0.04em;
}

.project .links {
  margin-top: var(--space-2);
  font-size: 0.875rem;
}

.project .links a {
  margin-right: var(--space-3);
}

/* About / CV layout */
.cv {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .cv {
    grid-template-columns: 220px 1fr;
    gap: var(--space-5);
  }
}

.cv h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: var(--space-2);
}

.cv-block {
  margin-bottom: var(--space-4);
}

.cv-block h4 {
  font-size: 1.0625rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--fg);
  margin-bottom: 2px;
}

.cv-block .dates {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-bottom: var(--space-1);
  letter-spacing: 0.04em;
}

.cv-block ul {
  margin-top: var(--space-1);
}

.cv-block li {
  margin-bottom: 4px;
}

/* Contact */
.contact-list {
  display: grid;
  gap: var(--space-2);
  font-size: 1.0625rem;
}

.contact-list dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 4px;
}

.contact-list dd {
  margin: 0 0 var(--space-2) 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: var(--space-4) 0;
  margin-top: var(--space-6);
  font-size: 0.8125rem;
  color: var(--muted);
}

.site-footer .nav {
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
}

@media (min-width: 768px) {
  .site-footer .nav {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--space-3);
  cursor: zoom-out;
}

.lightbox.open {
  display: flex;
}

.lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.lightbox .close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: transparent;
  border: 0;
  color: #fff;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Helpers */
.muted {
  color: var(--muted);
}

.small {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}