:root {
  --bg: #000000;
  --ink: #ffffff;
  --muted: #d6deea;
  --line: #1f2a39;
  --line-strong: #2f3f56;
  --blue: #ffb36b;
  --blue-dark: #c95a0a;
  --panel: #0d131d;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.section {
  width: min(980px, 92vw);
  margin: 0 auto;
  padding: 2.3rem 0;
}

.hero {
  text-align: center;
  padding-top: 4rem;
  padding-bottom: 1.8rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.12;
  max-width: 18ch;
  margin: 0 auto;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  text-align: center;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.24rem;
}

p {
  margin: 0;
  color: var(--muted);
}

.lead {
  max-width: 70ch;
  margin: 1rem auto 0;
}

.actions a {
  opacity: 0.92;
  transition: opacity 160ms ease, transform 160ms ease;
}

.actions a:hover {
  opacity: 1;
  transform: translateY(-1px);
  text-decoration: none;
}

.actions {
  margin-top: 1.2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.action-logo {
  height: 80px;
  width: auto;
  display: block;
  object-fit: contain;
  max-width: min(40vw, 360px);
}

.timeline {
  list-style: none;
  margin: 1.5rem auto 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.year-filters {
  margin-top: 1.2rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.year-filter {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  background: #0c121c;
  color: var(--ink);
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.year-filter:hover {
  transform: translateY(-1px);
  border-color: #8a4f2f;
  background: #121b29;
}

.year-filter.is-active {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}

.project-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.project-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, #0d131d 0%, #0b111a 100%);
  padding: 1.2rem;
  display: grid;
  gap: 0.7rem;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.project-card-link:hover .project-card,
.project-card-link:focus-visible .project-card {
  transform: translateY(-2px);
  border-color: #8a4f2f;
  background: linear-gradient(180deg, #121b29 0%, #101926 100%);
}

.project-note {
  font-size: 0.96rem;
}

.project-venue {
  color: var(--blue);
  font-weight: 600;
  font-size: 0.94rem;
}

.project-authors {
  color: var(--ink);
  font-size: 0.93rem;
  font-weight: 600;
}

.project-meta-note {
  color: var(--muted);
  font-size: 0.85rem;
}

.footer {
  padding-top: 0.2rem;
  padding-bottom: 2.6rem;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 380ms ease, transform 380ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .action-logo {
    max-width: min(56vw, 320px);
  }
}