:root {
  --bg: #0a0a0b;
  --fg: #ececef;
  --muted: #8a8a93;
  --accent: #6ea8ff;
  --radius: 6px;
  --maxw: 1400px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Header ─────────────────────────────────────────────────────────────── */
.header {
  background-color: var(--bg);
  /* Hero still behind the header, fading to the page background at the bottom.
     --hero-image is set by render.js from SITE.heroImage; falls back to none. */
  background-image:
    linear-gradient(to bottom, rgba(10, 10, 11, 0.4) 0%, rgba(10, 10, 11, 0.72) 55%, var(--bg) 100%),
    var(--hero-image, none);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 6rem 1.5rem 3rem;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.55);
}

.header__name {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.header__tagline {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.header__meta {
  margin: 1.25rem 0 0;
  color: var(--muted);
}

.header__links {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* ── Poster wall ────────────────────────────────────────────────────────── */
.posters {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 1rem;
}

.poster {
  position: relative;
  display: block;
  aspect-ratio: 2 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: #16161a;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.poster:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Title fades in over a gradient on hover */
.poster__title {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.5rem 0.85rem 0.7rem;
  font-size: 0.9rem;
  color: #fff;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.poster:hover .poster__title,
.poster:focus-visible .poster__title {
  opacity: 1;
}

/* ── Lists (talks, awards, press) ───────────────────────────────────────── */
.list {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
}

.list__heading {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  border-bottom: 1px solid #222;
  padding-bottom: 0.5rem;
  margin-bottom: 0.75rem;
}

.list__items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.list__items li {
  padding: 0.3rem 0;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid #222;
  color: var(--muted);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
}

@media (max-width: 480px) {
  .header__inner { padding-top: 3.5rem; }
  .posters { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 0.85rem; }
}