/* ===========================================================
   Jacopo Quizi — academic website
   Palette: white base + lilac accent rgb(211,195,255) #D3C3FF
   =========================================================== */

:root {
  --lilac:        #d3c3ff;
  --lilac-soft:   #ede7ff;
  --lilac-faint:  #f7f4ff;
  --lilac-deep:   #6b5ca8;
  --ink:          #1c1b22;
  --ink-soft:     #4a4a55;
  --ink-muted:    #7a7a86;
  --line:         #ece9f3;
  --white:        #ffffff;
  --radius:       14px;
  --maxw:         860px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
          Arial, "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
}

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

/* ---------- Header / nav ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: .2px;
}
.brand:hover { text-decoration: none; }
.nav-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--ink-soft);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: .95rem;
  transition: background .15s ease, color .15s ease;
}
.nav-links a:hover { background: var(--lilac-faint); text-decoration: none; }
.nav-links a.active {
  background: var(--lilac);
  color: var(--ink);
  font-weight: 600;
}

/* ---------- Layout ---------- */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 24px 80px;
}

.page-title {
  font-size: 2rem;
  margin: 0 0 6px;
  letter-spacing: -.4px;
}
.page-sub {
  color: var(--ink-muted);
  margin: 0 0 40px;
  font-size: 1.02rem;
}

section { margin-bottom: 46px; }

h2.section-title {
  font-size: 1.15rem;
  margin: 0 0 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--lilac);
  display: inline-block;
}

/* ---------- Hero (home) ---------- */
.hero {
  display: flex;
  gap: 34px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.hero-text { flex: 1 1 380px; }
.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 6px;
  letter-spacing: -.6px;
}
.hero .role {
  color: var(--lilac-deep);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0 0 18px;
}
.avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 4px solid var(--lilac);
  object-fit: cover;
  flex: 0 0 auto;
}

.tags { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--lilac-faint);
  border: 1px solid var(--lilac-soft);
  color: var(--ink-soft);
  padding: 5px 13px;
  border-radius: 999px;
  font-size: .85rem;
}

/* ---------- Buttons ---------- */
.btn-row { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 600;
  transition: transform .12s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--lilac);
  color: var(--ink);
}
.btn-primary:hover { box-shadow: 0 6px 18px rgba(211,195,255,.55); }
.btn-ghost {
  background: var(--white);
  color: var(--ink-soft);
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: var(--lilac-faint); }

/* ---------- Info cards / lists ---------- */
.card {
  background: var(--lilac-faint);
  border: 1px solid var(--lilac-soft);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.fact-list { list-style: none; padding: 0; margin: 0; }
.fact-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 14px;
}
.fact-list li:last-child { border-bottom: none; }
.fact-list .k {
  flex: 0 0 130px;
  color: var(--ink-muted);
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding-top: 1px;
}
.fact-list .v { flex: 1; }

/* ---------- Publication entries ---------- */
.pub {
  position: relative;
  padding: 16px 0 16px 0;
  border-bottom: 1px solid var(--line);
}
.pub:last-child { border-bottom: none; }
.pub .pub-title { font-weight: 600; margin: 0 0 4px; }
.pub .pub-authors { color: var(--ink-soft); font-size: .95rem; margin: 0 0 3px; }
.pub .pub-venue { color: var(--ink-muted); font-size: .9rem; font-style: italic; margin: 0; }
.pub .me { color: var(--ink); font-weight: 700; }
.pub-links { margin-top: 7px; display: flex; gap: 14px; flex-wrap: wrap; }
.pub-links a { font-size: .85rem; }

.badge {
  display: inline-block;
  background: var(--lilac);
  color: var(--ink);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 2px 9px;
  border-radius: 6px;
  margin-bottom: 8px;
}

/* ---------- Timeline (talks / teaching) ---------- */
.entry {
  display: flex;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.entry:last-child { border-bottom: none; }
.entry .year {
  flex: 0 0 90px;
  color: var(--lilac-deep);
  font-weight: 600;
  font-size: .92rem;
}
.entry .body { flex: 1; }
.entry .body .t { font-weight: 600; margin: 0 0 2px; }
.entry .body .m { color: var(--ink-muted); font-size: .9rem; margin: 0; }

/* ---------- CV page ---------- */
.cv-frame {
  width: 100%;
  height: 80vh;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--lilac-faint);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.contact-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.contact-row-2 {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 16px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.contact-card.centered { text-align: center; }
@media (max-width: 560px) {
  .contact-row, .contact-row-2 { grid-template-columns: 1fr; }
}
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color .15s ease, background .15s ease;
  display: block;
}
.contact-card:hover {
  border-color: var(--lilac);
  background: var(--lilac-faint);
  text-decoration: none;
}
.contact-card .label {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--ink-muted);
  margin: 0 0 4px;
}
.contact-card .value { color: var(--ink); font-weight: 600; word-break: break-word; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: .88rem;
}
.site-footer .inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 26px 24px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 560px) {
  body { font-size: 16px; }
  main { padding: 40px 20px 64px; }
  .hero h1 { font-size: 2rem; }
  .fact-list li { flex-direction: column; gap: 2px; }
  .fact-list .k { flex-basis: auto; }
  .entry { flex-direction: column; gap: 4px; }
  .entry .year { flex-basis: auto; }
}