/* ============================================================
   CARED Lab: Computational Approaches to Research in
   Emotion & Depression
   ============================================================ */

:root {
  --ink: #21303a;          /* main text */
  --ink-soft: #4d5f6c;     /* secondary text */
  --teal: #0e6b63;         /* primary brand */
  --teal-dark: #0a4f49;
  --coral: #dd6b4d;        /* accent */
  --paper: #faf8f4;        /* page background */
  --card: #ffffff;
  --line: #e5dfd5;
  --tag-bg: #eef4f0;
  --max: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.06rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}

h1, h2, h3, .brand {
  font-family: "Fraunces", Palatino, Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
}

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

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.4rem; }

/* ---------- Header / nav ---------- */
header.site {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 0; gap: 1rem; flex-wrap: wrap;
}
.brand { font-size: 1.35rem; color: var(--ink); letter-spacing: 0.2px; display: flex; align-items: center; gap: 0.5rem; }
.brand-mark { height: 46px; width: auto; }
.brand:hover { text-decoration: none; }
.brand .dot { color: var(--coral); }
nav.main { display: flex; gap: 1.4rem; flex-wrap: wrap; }
nav.main a {
  color: var(--ink-soft); font-weight: 600; font-size: 0.97rem;
  padding-bottom: 2px; border-bottom: 2px solid transparent;
}
nav.main a:hover { color: var(--teal); text-decoration: none; }
nav.main a.active { color: var(--teal); border-bottom-color: var(--coral); }

/* ---------- Hero ---------- */
.hero-wave { display: none; }
.hero { padding: 4.2rem 0 3.4rem; position: relative; overflow: hidden; text-align: center; }
.hero h1 {
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  max-width: 45ch;
  margin: 0 auto 1.1rem;
}
.hero h1 em { font-style: normal; color: inherit; }
.hero p.lede {
  font-size: 1.18rem; color: var(--ink-soft); max-width: 62ch; margin: 0 auto 1.6rem;
}
.hero-logo { max-width: 460px; width: 90%; height: auto; display: block; margin: 0 auto 1.6rem; }
.hero .full-name {
  font-size: 0.95rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--coral); font-weight: 700; margin-bottom: 0.9rem;
}

.btn {
  display: inline-block; background: var(--teal); color: #fff; font-weight: 600;
  padding: 0.62rem 1.3rem; border-radius: 6px; margin-right: 0.7rem; margin-top: 0.3rem;
}
.btn:hover { background: var(--teal-dark); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--teal); border: 1.5px solid var(--teal); }
.btn.ghost:hover { background: var(--tag-bg); }

/* ---------- Sections ---------- */
section.band { padding: 3rem 0; }
section.band.alt { background: #f2ede4; }
.kicker {
  font-size: 0.85rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--coral); font-weight: 700; margin-bottom: 0.5rem;
}
section h2 { font-size: 1.75rem; margin-bottom: 1.4rem; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); align-items: start; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.5rem 1.5rem 1.3rem;
}
.card h3 { font-size: 1.22rem; margin-bottom: 0.6rem; color: var(--teal-dark); }
.card p { color: var(--ink-soft); font-size: 0.99rem; }
.card .icon { font-size: 1.6rem; margin-bottom: 0.7rem; display: block; }

/* ---------- Publications ---------- */
.year-heading {
  font-family: "Fraunces", Georgia, serif; font-size: 1.45rem; color: var(--coral);
  margin: 2.2rem 0 0.9rem; border-bottom: 1px solid var(--line); padding-bottom: 0.3rem;
}
ul.pubs { list-style: none; }
ul.pubs li {
  margin-bottom: 1.05rem; padding-left: 1.1rem; position: relative;
  color: var(--ink-soft); font-size: 0.99rem;
}
ul.pubs li::before { content: "▪"; color: var(--coral); position: absolute; left: 0; top: 0.1rem; }
ul.pubs .t { color: var(--ink); }
ul.pubs strong { color: var(--ink); }
.doi { font-size: 0.88rem; white-space: nowrap; }

/* ---------- People ---------- */
.person { display: flex; gap: 1.4rem; align-items: flex-start; flex-wrap: wrap; }
.avatar {
  width: 130px; height: 130px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--teal) 0%, #4da79e 100%);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-family: "Fraunces", Georgia, serif; font-size: 2.6rem;
  object-fit: cover; border: 3px solid var(--card); box-shadow: 0 2px 10px rgba(33, 48, 58, 0.15);
}
.person .bio { flex: 1; min-width: 260px; }
.person h3 { font-size: 1.35rem; margin-bottom: 0.15rem; }
.person .role { color: var(--coral); font-weight: 600; margin-bottom: 0.8rem; }

/* ---------- News ---------- */
.news-item { display: flex; gap: 1.2rem; margin-bottom: 1.5rem; align-items: baseline; }
.news-date {
  flex-shrink: 0; width: 7.2rem; font-weight: 700; color: var(--teal);
  font-size: 0.92rem; letter-spacing: 0.02em;
}
.news-body { color: var(--ink-soft); }
.news-body b { color: var(--ink); }
.podcast-embed {
  display: block; margin-top: 0.9rem; max-width: 42rem;
  border: 0; border-radius: 12px;
}

/* ---------- Contact ---------- */
.contact-box { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1.6rem; }
.contact-box p { margin-bottom: 0.5rem; }

/* ---------- Footer ---------- */
footer.site {
  border-top: 1px solid var(--line); margin-top: 3rem;
  padding: 2rem 0 2.4rem; color: var(--ink-soft); font-size: 0.92rem;
}
footer.site .cols { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

h3.principle { font-size: 1.3rem; margin: 1.8rem 0 0.5rem; color: var(--teal-dark); }

/* ---------- Expandable research cards ---------- */
details.card summary {
  cursor: pointer; list-style: none; position: relative;
}
details.card summary::-webkit-details-marker { display: none; }
details.card summary .more {
  display: inline-block; margin-top: 0.8rem; font-weight: 700; font-size: 0.88rem;
  color: var(--coral);
}
details.card summary .more::after { content: " +"; }
details.card[open] summary .more { display: none; }
details.card summary:hover .more { text-decoration: underline; }
details.card summary:hover h3 { color: var(--coral); }
details.card[open] summary > p { display: none; }
.card-full { margin-top: 0.2rem; }
.card-full p { color: var(--ink-soft); font-size: 0.99rem; margin-bottom: 0.8rem; }
.card-full b { color: var(--ink); }

/* ---------- Misc ---------- */
.tag {
  display: inline-block; background: var(--tag-bg); color: var(--teal-dark);
  border-radius: 999px; padding: 0.12rem 0.75rem; font-size: 0.83rem;
  font-weight: 600; margin: 0 0.35rem 0.45rem 0;
}
.note { font-size: 0.9rem; color: var(--ink-soft); font-style: italic; }
/* ---------- RTL (Hebrew page) ---------- */
[dir="rtl"] .btn { margin-right: 0; margin-left: 0.7rem; }
[dir="rtl"] ul.pubs li { padding-left: 0; padding-right: 1.1rem; }
[dir="rtl"] ul.pubs li::before { left: auto; right: 0; }
.nav-he { opacity: 0.9; }

.prose { max-width: 70ch; }
.prose p { margin-bottom: 1rem; }

@media (max-width: 640px) {
  .news-item { flex-direction: column; gap: 0.15rem; }
}