/* Layout: one narrow centered column. Intro (photo + text) on top, then a 2x2 project grid.
   Project pages reuse the same column with a hero image and stacked sections. */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --fg: #1c2330;
  --muted: #5d6879;
  --line: #d9dee6;
  --accent: #2e5c8a;
  --placeholder: #e6e9ee;

  --font-body: "IBM Plex Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;

  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161d;
    --surface: #1a2029;
    --fg: #e4e8ee;
    --muted: #9aa5b5;
    --line: #2c3440;
    --accent: #7fb0e0;
    --placeholder: #232a35;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12161d;
  --surface: #1a2029;
  --fg: #e4e8ee;
  --muted: #9aa5b5;
  --line: #2c3440;
  --accent: #7fb0e0;
  --placeholder: #232a35;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.page {
  max-width: 52rem;
  margin: 0 auto;
  padding-inline: 1.25rem;
  padding-block: 3.5rem 4rem;
}

/* ---------- Home: intro ---------- */
.intro {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 2.5rem;
  align-items: center;
}
.intro__photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 6px;
  background: var(--placeholder);
}
.intro__text { min-width: 0; }
.intro h1 {
  margin: 0;
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.intro__role {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.intro__bio {
  margin: 1rem 0 0;
  max-width: 34rem;
  color: var(--fg);
}
.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
}
.links a { text-decoration: none; font-weight: 500; }
.links a:hover { text-decoration: underline; }

/* ---------- Home: projects ---------- */
.projects { margin-top: 4.5rem; }
.section-title {
  margin: 0 auto 2.5rem;
  width: fit-content;
  font-size: 1.75rem;
  font-weight: 600;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--fg);
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.5rem 2rem;
  max-width: 40rem;
  margin: 0 auto;
}
.card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--fg);
}
.card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--placeholder);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card span {
  text-align: center;
  font-weight: 500;
  font-size: 1.05rem;
}
.card:hover img { transform: translateY(-3px); border-color: var(--accent); }
.card:hover span { color: var(--accent); }

/* ---------- Project pages ---------- */
.back {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.95rem;
  text-decoration: none;
  font-weight: 500;
}
.back:hover { text-decoration: underline; }
.project-header h1 {
  margin: 0;
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.15;
  text-wrap: balance;
}
.summary {
  margin: 0.6rem 0 0;
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 40rem;
}
.hero {
  margin-top: 2rem;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--placeholder);
}
.details {
  display: grid;
  gap: 2rem;
  margin-top: 2.5rem;
  max-width: 40rem;
}
.details h2 {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.details p { margin: 0; }
.details p + p { margin-top: 0.75rem; }
.details ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.75rem;
}
.details strong { font-weight: 600; }
.meta {
  margin: 0.5rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.video {
  width: 100%;
  margin-top: 1rem;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--placeholder);
}
.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}
.hero--portrait {
  aspect-ratio: 3 / 4;
  max-width: 28rem;
}
.media-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.media-pair figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}
.media-pair img,
.media-pair video {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--placeholder);
}
.media-pair figcaption {
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.45;
}
.gallery figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}
.gallery figcaption {
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.45;
}
.gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--placeholder);
}

.gallery video {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--placeholder);
}
.gallery .tall { aspect-ratio: 3 / 4; }

.gallery figure.wide { grid-column: 1 / -1; }
.gallery figure.wide img { aspect-ratio: auto; object-fit: contain; background: #fff; }
.gallery img.fit { object-fit: contain; background: #fff; }

.footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

/* ---------- Phones ---------- */
@media (max-width: 640px) {
  .page { padding-block: 2rem 3rem; }
  .intro { grid-template-columns: 1fr; gap: 1.5rem; justify-items: center; text-align: center; }
  .intro__photo { max-width: 12rem; }
  .intro__bio { margin-inline: auto; }
  .links { justify-content: center; }
  .grid { gap: 2rem 1rem; }
  .gallery { grid-template-columns: 1fr; }
  .media-pair { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .card img { transition: none; }
  .card:hover img { transform: none; }
}