/* :root {
  --accent: #2563eb;
  --bg: #f9fafb;
  --bg-alt: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --max-width: 1100px;
} */

:root {
  --accent: #8fd3ff;
  --accent-strong: #56b8ff;
  --accent-soft: rgba(143, 211, 255, 0.16);
  --bg: #020617;       /* slate-950 */
  --bg-alt: #0b1120;   /* slate-900 */
  --surface: #101a2d;
  --surface-strong: #13203a;
  --text: #e5e7eb;     /* slate-200 */
  --muted: #9ca3af;    /* slate-400 */
  --border: #1f2937;   /* slate-800 */
  --max-width: 1100px;
}

html {
  scroll-behavior: smooth;
}


/* Global layout */

body {
  background: radial-gradient(circle at top left, #1d283a 0, #020617 45%, #020617 100%);
  color: var(--text);
  font-family: "Inter Tight", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
}

.page-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  color: var(--text);
}

/* Header / nav */

.landing-header {
  margin: 0;
  padding: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(9, 14, 26, 0.96);
  width: 100%;
}

.landing-header + .site-header {
  margin-top: 0;
}

.landing-banner {
  min-height: 16rem;
  background: #78b8f6;
  display: flex;
  align-items: flex-end;
  position: relative;
  overflow: hidden;
  width: 100%;
  margin-bottom: 0;
}

.landing-banner-gallery {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.landing-banner-panel {
  position: relative;
  overflow: hidden;
}

.landing-banner-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(120, 184, 246, 0.12), rgba(2, 6, 23, 0.3));
}

.landing-banner-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.landing-banner-panel-left img {
  object-position: center 78%;
}

.landing-banner-panel-middle img {
  object-position: center 54%;
}

.landing-banner-panel-right img {
  object-position: center 44%;
}

.landing-banner-inner {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 1.5rem 1.5rem;
}

.landing-banner-title {
  margin: 0;
  color: #f8fafc;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  text-shadow: 0 2px 14px rgba(2, 6, 23, 0.55);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.landing-banner-subtitle {
  margin: 0.35rem 0 0;
  color: rgba(226, 232, 240, 0.92);
  font-size: clamp(0.78rem, 1.6vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-shadow: 0 2px 12px rgba(2, 6, 23, 0.45);
  text-transform: uppercase;
}

.landing-banner-credit {
  position: absolute;
  left: 1.5rem;
  bottom: 0.55rem;
  z-index: 1;
  margin: 0;
  color: rgba(226, 232, 240, 0.8);
  font-size: 0.58rem;
  letter-spacing: 0.03em;
  text-shadow: 0 2px 10px rgba(2, 6, 23, 0.4);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.95rem;
  justify-content: center;
  width: 100%;
}

.site-nav a {
  text-decoration: none;
  color: #dbeafe;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.site-nav a:hover {
  color: var(--accent);
}

.site-nav a.is-active {
  color: #f8fafc;
  border-color: var(--accent);
}

/* Sections */

section {
  margin-bottom: 3rem;
  scroll-margin-top: 5rem; /* offset for sticky header */
}

section:last-of-type {
  margin-bottom: 0;
}

.section-heading {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #f8fafc;
}

h1.section-heading {
  font-size: clamp(2rem, 4vw, 2.5rem);
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.4fr);
  gap: 2rem;
  align-items: center;
  padding-top: 0.5rem;
  padding-bottom: 2rem;
}

#hero {
  background:
    linear-gradient(180deg, rgba(19, 32, 58, 0.96), rgba(12, 21, 39, 0.98));
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 14px 36px rgba(2, 6, 23, 0.45);
  border: 1px solid rgba(143, 211, 255, 0.18);
}

.hero-copy {
  max-width: 38rem;
}

.hero-subtext {
  font-size: 1.05rem;
  color: #cbd5e1;
  margin-bottom: 0;
  max-width: 34rem;
}

.hero-subtext + .hero-subtext {
  margin-top: 1.5rem;
}

/* Hero image / avatar */

.hero-aside {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-avatar {
  width: min(100%, 320px);
  aspect-ratio: 4 / 5;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  object-fit: cover;
  display: block;
}

/* Cards and grids */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.project-list {
  display: grid;
  gap: 1.5rem;
}

.card {
  border-radius: 1rem;
  border: 1px solid rgba(143, 211, 255, 0.18);
  padding: 1.25rem 1.5rem;
  background:
    radial-gradient(circle at top left, rgba(143, 211, 255, 0.05), transparent 60%),
    linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.7);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 1);
  border-color: rgba(143, 211, 255, 0.72);
}

.card h3,
.card h2 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.card p {
  margin-bottom: 0.6rem;
  font-size: 0.95rem;
  color: var(--text);
}

.page-content p,
.page-content li,
.section-alt p,
.section-alt li,
.logo-strip p,
.logo-strip li,
.site-footer p,
.site-footer li {
  color: var(--text);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(143, 211, 255, 0.2);
  color: #c7d8e8;
  background: rgba(143, 211, 255, 0.08);
}


/* Simple buttons with Pico base */

.button-primary {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #03111f;
}

.button-primary:hover {
  filter: brightness(0.95);
}

.button-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Publications list */

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

.pub-item {
  margin-bottom: 1.25rem;
}

.pub-title {
  font-weight: 500;
}

.pub-meta {
  font-size: 0.9rem;
  color: var(--muted);
}

/* Affiliation carousel */
/* Affiliation carousel */

.logo-strip {
  margin-top: 3rem;
  margin-bottom: 2rem;
  padding: 1.75rem 1.75rem 2rem;
  border-radius: 1.25rem;
  border: 1px solid rgba(143, 211, 255, 0.2);
  background:
    radial-gradient(circle at top left, rgba(143, 211, 255, 0.18), transparent 55%),
    linear-gradient(180deg, rgba(17, 28, 49, 0.96), rgba(10, 17, 31, 0.98));
}

.logo-strip-text {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.logo-marquee {
  position: relative;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
}

/* One long track that we animate, containing two copies of the logos */
.logo-track {
  display: inline-flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  animation: logo-scroll 75s linear infinite;
}

.logo-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 190px;
  height: 64px;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: rgba(143, 211, 255, 0.16);
  border: 1px solid rgba(143, 211, 255, 0.42);
  backdrop-filter: blur(10px);
  text-align: center;
  white-space: normal;
}

.logo-item img {
  max-height: 32px;
  max-width: 140px;
  filter: grayscale(40%) opacity(0.92) brightness(1.05);
  transition: filter 0.16s ease, transform 0.16s ease, opacity 0.16s ease;
}

.logo-item a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.logo-item img:hover {
  filter: grayscale(0%) opacity(1) brightness(1.08);
  transform: translateY(-1px);
}

@keyframes logo-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  margin-top: 1rem;
  padding: 2.5rem 1.5rem 2rem;
  background: rgba(5, 10, 20, 0.98);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.contact-links a {
  text-decoration: none;
  color: var(--accent);
}

.footer-meta {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.section-alt {
  background:
    radial-gradient(circle at top left, var(--accent-soft), transparent 55%),
    linear-gradient(180deg, rgba(17, 28, 49, 0.96), rgba(10, 17, 31, 0.98));
  border-radius: 1.25rem;
  padding: 2rem 1.75rem;
  border: 1px solid rgba(143, 211, 255, 0.2);
}

/* Responsive tweaks */

@media (max-width: 800px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .header-inner {
    justify-content: flex-start;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .landing-banner {
    min-height: 12.8rem;
  }
}