/* ===========================================================
   Lucrezia Laccetti — personal academic website
   Palette: botanical greens on warm paper
   =========================================================== */

:root {
  /* palette keyed to the site logo (blue cliff + plant + bee) */
  --green-900: #0a3a54;
  --green-800: #134261;
  --green-700: #1f567a;
  --green-500: #3a7196;
  --green-300: #8fb0c4;
  --sage:      #cfdde6;
  --paper:     #f4f7f9;
  --paper-2:   #e8eef3;
  --ink:       #1b2832;
  --muted:     #65727c;
  --line:      #d8e2e9;
  --gold:      #2f86b3;
  --maxw: 1080px;
  --radius: 14px;
  --shadow: 0 14px 40px -22px rgba(29, 53, 40, 0.45);
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }

a { color: var(--green-700); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--gold); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--green-900);
  line-height: 1.18;
  font-weight: 600;
  margin: 0 0 .5em;
}

h2 { font-size: 1.9rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.section { padding-block: 72px; }
.section--tight { padding-block: 48px; }
.section--alt { background: var(--paper-2); }

.eyebrow {
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .74rem;
  font-weight: 600;
  color: var(--green-500);
  margin-bottom: .6rem;
}

.lead { font-size: 1.16rem; color: #36402f; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 242, 0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.18rem;
  color: var(--green-900);
  letter-spacing: .01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img { width: 30px; height: 30px; border-radius: 50%; }
.brand:hover { color: var(--green-900); }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--ink);
  font-size: .94rem;
  font-weight: 500;
}
.nav-links a:hover { background: var(--sage); color: var(--green-900); }
.nav-links a.active { background: var(--green-800); color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--green-900);
  margin: 5px 0;
  transition: .25s;
}

/* ---------- Hero (home) ---------- */
.hero { padding-block: 70px 40px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: 3.1rem;
  margin-bottom: .2em;
  letter-spacing: -0.01em;
}
.hero .role {
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--green-700);
  font-size: 1.05rem;
  letter-spacing: .02em;
  margin-bottom: 1.2rem;
}
.hero .role span { color: var(--muted); font-weight: 500; }

.portrait {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 4.4;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 24% 32%; }
.portrait::after {
  content: "";
  position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
  border-radius: 18px;
}

/* ---------- Tags / pills ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 4px; padding: 0; list-style: none; }
.tags li {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--green-800);
  padding: 6px 13px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 500;
}

/* ---------- Social icons ---------- */
.socials { display: flex; gap: 12px; align-items: center; margin-top: 22px; flex-wrap: wrap; }
.socials a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: .85rem;
  font-weight: 600;
  color: var(--green-800);
}
.socials a:hover { border-color: var(--green-500); color: var(--green-900); background: var(--sage); }
.socials svg { width: 16px; height: 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  background: var(--green-800);
  color: #fff;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .92rem;
}
.btn:hover { background: var(--green-900); color: #fff; }
.btn--ghost { background: transparent; color: var(--green-800); border: 1px solid var(--green-500); }
.btn--ghost:hover { background: var(--green-800); color: #fff; }

/* ---------- Page header ---------- */
.page-head { padding-block: 60px 10px; }
.page-head h1 { font-size: 2.6rem; }

/* ---------- Generic prose ---------- */
.prose { max-width: 760px; }
.prose h2 { margin-top: 1.6em; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.card h3 { margin-bottom: .35em; }
.card .ic { font-size: 1.5rem; margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card .card-img {
  margin: -26px -26px 18px;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.card .card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ---------- Timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline > li {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 2px solid var(--line);
}
.timeline > li:last-child { border-left-color: transparent; padding-bottom: 0; }
.timeline > li::before {
  content: "";
  position: absolute;
  left: -7px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--green-500);
  border: 2px solid var(--paper);
}
.timeline .date {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--green-500);
  text-transform: uppercase;
}
.timeline .ti { font-weight: 600; color: var(--green-900); }
.timeline .where { color: var(--muted); }

/* ---------- Publications ---------- */
.pubfilter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.pubfilter button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--green-800);
  padding: 7px 16px;
  border-radius: 999px;
  font: inherit;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: .18s;
}
.pubfilter button:hover { background: var(--sage); }
.pubfilter button.active { background: var(--green-800); color: #fff; border-color: var(--green-800); }

.publist { list-style: none; margin: 0; padding: 0; }
.pub {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.pub .num {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--green-300);
  min-width: 34px;
  font-weight: 600;
}
.pub .body { flex: 1; }
.pub .ptitle { font-weight: 600; color: var(--green-900); }
.pub .meta { color: var(--muted); font-size: .94rem; }
.pub .venue { font-style: italic; color: #4a5247; }
.pub .badges { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 7px; }
.badge {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .03em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--sage);
  color: var(--green-900);
}
.badge--first { background: #dbe6ee; color: #1f567a; }
.badge--doi { background: #fff; border: 1px solid var(--line); color: var(--green-700); }
.badge--if { background: #e1ecf2; color: var(--green-700); }

.author-me { color: var(--green-900); font-weight: 700; }

/* ---------- Funder logos ---------- */
.logos { display: flex; flex-wrap: wrap; align-items: center; gap: 34px; margin-top: 8px; }
.logos img { height: 52px; width: auto; filter: grayscale(1); opacity: .8; transition: .2s; }
.logos img:hover { filter: none; opacity: 1; }

.logos--funders { gap: 30px 56px; margin-top: 8px; justify-content: center; }
.logos--funders img {
  height: 60px;
  filter: none;
  opacity: 1;
}
@media (max-width: 560px) { .logos--funders img { height: 46px; } }

/* ---------- Highlight / image band ---------- */
.band {
  position: relative;
  color: #fff;
  background: var(--green-900);
  overflow: hidden;
}
.band .wrap { position: relative; z-index: 2; padding: 64px 24px; }
.band .band-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center 38%;
  opacity: .26;
}
.band h2 { color: #fff; }
.band p, .band .lead { color: #eaf1ee; }
.band .eyebrow { color: var(--green-300); }
.band--slim .wrap { padding: 46px 24px; }

/* ---------- Figures (concept / study images) ---------- */
.figure-row {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: center;
}
.figure-row.reverse { grid-template-columns: 1fr 1.05fr; }
.figure-row .fig img {
  width: 100%;
  border-radius: var(--radius);
}
.figure-plain img { width: 100%; border-radius: var(--radius); }
.media-full { margin: 28px 0 8px; }
.media-full img { width: 100%; height: clamp(280px, 48vh, 540px); object-fit: cover; display: block; }
figure { margin: 0; }
figcaption { font-size: .85rem; color: var(--muted); margin-top: 8px; }

/* ---------- Outreach media thumbnails ---------- */
.media-item { display: flex; gap: 20px; align-items: flex-start; }
.media-item .thumb {
  flex: 0 0 300px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
}
/* identical thumbnail boxes; ratio matches the first (wide) image so it is
   not cropped, while taller images are trimmed from the bottom (text on top) */
.media-item .thumb img {
  width: 100%;
  display: block;
  aspect-ratio: 1000 / 482;
  object-fit: cover;
  object-position: top;
}
@media (max-width: 720px) {
  .figure-row, .figure-row.reverse { grid-template-columns: 1fr; gap: 22px; }
  .media-item { flex-direction: column; }
  .media-item .thumb { flex-basis: auto; width: 100%; max-width: 360px; }
}

/* ---------- News list ---------- */
.news { list-style: none; margin: 0; padding: 0; }
.news li {
  display: flex; gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}
.news .y { font-weight: 700; color: var(--green-500); min-width: 64px; font-size: .9rem; padding-top: 2px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--green-900);
  color: #cdd9e3;
  padding: 50px 0 34px;
  margin-top: 10px;
}
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--green-300); }
.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-start;
}
.footer-grid h3 { color: #fff; font-size: 1.1rem; }
.footer-socials { display: flex; gap: 14px; margin-top: 12px; }
.footer-socials a svg { width: 20px; height: 20px; }
.footer-socials a { color: #cdd9e3; }
.footer-socials a:hover { color: #fff; }
.copyright { margin-top: 30px; font-size: .82rem; color: #8aa0b3; }

/* ---------- Contact two-column ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: stretch; }
.contact-grid > div { display: flex; flex-direction: column; gap: 22px; }
.contact-grid .card { height: 100%; }
.socials--stack { flex-direction: column; align-items: stretch; gap: 10px; margin-top: 4px; }
.socials--stack a { justify-content: flex-start; }
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- Definition pairs ---------- */
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; margin: 0; }
.kv dt { font-weight: 700; color: var(--green-700); }
.kv dd { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  body { font-size: 16px; }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero { padding-block: 40px 10px; }
  .portrait { max-width: 320px; margin: 0 auto; }
  .hero h1 { font-size: 2.4rem; }
  h2 { font-size: 1.6rem; }
  .page-head h1 { font-size: 2.1rem; }

  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 10px 16px 18px;
    transform: translateY(-130%);
    transition: transform .28s ease;
    box-shadow: var(--shadow);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 12px 14px; border-radius: 10px; }
  .footer-grid { flex-direction: column; }
}