/* ============================================================
   paulina chametka — research page
   same cozy hand-drawn theme: a thinking, bespectacled creature,
   editorial publication list, gentle scroll reveals.
   ============================================================ */

:root {
  --ink: #33302c;
  --ink-soft: #5a5249;
  --muted: #9a9186;
  --link: #b46b46;
  --accent: #c9714a;
  --sage: #8ba473;
  --paper: #f7f1e6;
  --line: #e2d7c5;

  --display: "Fredoka", "Quicksand", system-ui, sans-serif;
  --sans: "Quicksand", system-ui, -apple-system, sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: #f8f2e8;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.page {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.25rem, 5vw, 2.75rem) 4rem;
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.home {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.25s var(--ease);
}

.home:hover {
  transform: translateX(-3px);
}

.topbar__link {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

/* ---------- Hero ---------- */
.hero {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2rem, 6vw, 3rem);
}

.hero__art {
  flex: 0 0 auto;
  width: clamp(84px, 16vw, 112px);
}

.bookworm {
  width: 100%;
  height: auto;
  overflow: visible;
}

.hero__title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(2.8rem, 10vw, 4.25rem);
  line-height: 0.95;
  letter-spacing: -0.01em;
}

.hero__sub {
  margin-top: 0.5rem;
  max-width: 46ch;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

/* ---------- Bookworm animation ---------- */
.seg {
  transform-box: fill-box;
  transform-origin: center bottom;
  animation: hump 1.6s ease-in-out infinite;
}
.s1 { animation-delay: 0s; }
.s2 { animation-delay: -0.15s; }
.s3 { animation-delay: -0.3s; }
.s4 { animation-delay: -0.45s; }
.head { animation-delay: -0.6s; }

@keyframes hump {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-2.5px); }
}

.antennae {
  transform-box: fill-box;
  transform-origin: bottom center;
  animation: wiggle 1.8s ease-in-out infinite;
}

@keyframes wiggle {
  0%, 100% { transform: rotate(-6deg); }
  50% { transform: rotate(6deg); }
}

.eyes {
  transform-box: fill-box;
  transform-origin: center;
  animation: blink 5s ease-in-out infinite;
}

@keyframes blink {
  0%, 92%, 100% { transform: scaleY(1); }
  96% { transform: scaleY(0.15); }
}

/* ---------- Sections ---------- */
.section {
  margin-top: clamp(2rem, 6vw, 3rem);
}

.section__title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--ink);
  padding-bottom: 0.7rem;
  margin-bottom: 1.25rem;
  border-bottom: 1.5px solid var(--ink);
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.section__num {
  font-size: 1rem;
  color: var(--accent);
}

/* ---------- Publication entries ---------- */
.entries {
  display: grid;
}

.entry {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 1.75rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}

.entry:last-child {
  border-bottom: none;
}

.entry__meta {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.entry__date {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
}

.entry__venue {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  line-height: 1.5;
}

.pub__title {
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.35;
}

.pub__title a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

.pub__title .ext {
  font-size: 0.8em;
  color: var(--muted);
  transition: transform 0.2s var(--ease);
  display: inline-block;
}

.pub__title a:hover .ext {
  transform: translate(2px, -2px);
  color: var(--accent);
}

.pub__authors {
  margin-top: 0.35rem;
  font-size: 0.86rem;
  color: var(--sage);
  font-weight: 600;
}

.pub__summary {
  margin-top: 0.55rem;
  font-size: 0.93rem;
  color: var(--ink-soft);
}

/* ---------- Footer ---------- */
.foot {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1.5px solid var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.foot a {
  color: var(--link);
  text-decoration: none;
}

.foot a:hover {
  text-decoration: underline;
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.entry:nth-child(2).in { transition-delay: 0.08s; }
.entry:nth-child(3).in { transition-delay: 0.16s; }

/* ---------- Responsive ---------- */
@media (max-width: 620px) {
  .hero {
    flex-direction: column;
    text-align: center;
  }

  .entry {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .entry__meta {
    flex-direction: row;
    align-items: baseline;
    gap: 0.75rem;
  }

  .entry__venue br {
    display: none;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}