/* =========================================================
   Anna Siebenbrunner – personal website
   Minimalist, photo-forward. Restrained alpine-blue accent.
   ========================================================= */

:root {
  --ink:        #222629;   /* near-black text */
  --ink-soft:   #6a7178;   /* muted grey */
  --faint:      #9aa2a8;   /* very light grey */
  --accent:     #2f6f9e;   /* restrained glacier blue (links) */
  --accent-ink: #1c4c70;   /* darker blue on hover */
  --bg:         #ffffff;
  --hairline:   #e7ebee;   /* thin dividers */
  --maxw:       1120px;
  --sidebar-w:  260px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --display: "Syne", "Inter", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,0.85), rgba(255,255,255,0.89)),
    url("/assets/img/background/pattern.jpg");
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
  background-repeat: no-repeat;
  font-size: 17px;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

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

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

strong { font-weight: 600; }
em { color: var(--ink); }

/* ---------- Layout shell ---------- */
.layout {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  gap: 64px;
  padding: 56px 32px 80px;
}

/* ---------- Sidebar (no card, just content) ---------- */
.sidebar { position: sticky; top: 56px; align-self: start; }
.sidebar-card { text-align: left; }
.sidebar .avatar,
.sidebar .avatar-placeholder {
  width: 160px; height: 160px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 0 22px;
}
.sidebar .avatar-placeholder {
  background: #eef3f6;
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.6rem; font-weight: 500; letter-spacing: 1px;
}
.sidebar h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.sidebar .tagline {
  font-size: .95rem;
  color: var(--ink-soft);
  margin: 0 0 20px;
  line-height: 1.5;
}
.sidebar .meta {
  list-style: none;
  padding: 0; margin: 0 0 20px;
  font-size: .86rem;
  color: var(--ink-soft);
}
.sidebar .meta li { display: flex; align-items: center; gap: 9px; padding: 2px 0; }
.sidebar .meta svg { flex: 0 0 15px; width: 15px; height: 15px; color: var(--faint); }

.social {
  display: flex; flex-wrap: wrap;
  gap: 16px;
  padding-top: 20px;
}
.social a {
  color: var(--ink-soft);
  transition: color .15s;
  line-height: 0;
}
.social a:hover { color: var(--accent); }
.social svg { width: 20px; height: 20px; }

/* ---------- Top nav (plain links) ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 40px;
  min-height: 28px;
}
.nav { display: flex; flex-wrap: wrap; gap: 26px; }
.nav a {
  font-size: .82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-soft);
  padding-bottom: 3px;
  border-bottom: 1.5px solid transparent;
}
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav a.active { color: var(--ink); border-bottom-color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--ink);
}
.nav-toggle svg { width: 26px; height: 26px; display: block; }

/* ---------- Main content ---------- */
main { min-width: 0; }

/* Simple intro (was the gradient hero) */
.hero { margin: 0 0 44px; }
.hero h2 {
  font-family: var(--display);
  margin: 0 0 16px;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--accent-ink);
  max-width: 20ch;
}
.hero p { margin: 0; font-size: 1.15rem; color: var(--ink-soft); max-width: 60ch; }

.section { margin-bottom: 52px; }
.section > h3 {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--accent-ink);
  margin: 0 0 18px;
}
.section > .lead { color: var(--ink-soft); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 8px; }
.section p { margin: 0 0 16px; }

.page-title { font-family: var(--display); font-size: 2.2rem; font-weight: 700; letter-spacing: 0; color: var(--accent-ink); margin: 0 0 14px; }
.page-intro { color: var(--ink-soft); font-size: 1.08rem; max-width: 64ch; margin: 0 0 44px; }

/* ---------- Entries (was .card) – hairline separated ---------- */
.card {
  padding: 0 0 26px;
  margin: 0 0 26px;
}
.card:last-child { border-bottom: none; }
.card h4 { margin: 0 0 6px; color: var(--ink); font-size: 1.18rem; font-weight: 600; }
.card .card-meta {
  font-size: .78rem; color: var(--faint); font-weight: 600;
  text-transform: uppercase; letter-spacing: .07em; margin: 0 0 8px;
}
.card p { margin: 0 0 12px; }
.card p:last-child { margin-bottom: 0; }
.project-card { display: flex; gap: 22px; align-items: flex-start; }
.project-card .project-img {
  flex: 0 0 170px;
  width: 170px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 10px;
  margin: 0;
  display: block;
  background: #eaf4fa;
}
.project-card .project-body { flex: 1 1 auto; min-width: 0; }
.project-card .project-img-link { flex: 0 0 170px; width: 170px; display: block; border-radius: 10px; overflow: hidden; }
.project-card .project-img-link .project-img { flex: none; width: 100%; }
.project-card .project-img-link:hover .project-img { opacity: .92; transition: opacity .15s; }
/* nested subproject (e.g. GPR Picking Experiment under MELT.AI) */
.subproject { margin-left: 30px; padding-left: 22px; border-left: 3px solid #cfe3f0; }
.subproject .project-img,
.subproject .project-img-link { flex: 0 0 120px; width: 120px; }
.subproject h4 { font-size: 1.05rem; }

/* call-to-action button */
.btn {
  display: inline-block;
  margin-top: 6px;
  padding: 9px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  transition: background .15s;
}
.btn:hover { background: var(--accent-ink); color: #fff; text-decoration: none; }
@media (max-width: 560px) {
  .project-card { flex-direction: column; gap: 14px; }
  .project-card .project-img { width: 100%; flex-basis: auto; aspect-ratio: 16 / 9; }
  .project-card .project-img-link { width: 100%; flex-basis: auto; }
  .subproject { margin-left: 0; padding-left: 14px; }
  .subproject .project-img, .subproject .project-img-link { width: 100%; flex-basis: auto; }
}

/* small footnote (e.g. ORCID note on publications page) */
.note { font-size: .82rem; color: var(--faint); margin-top: 44px; max-width: 72ch; }
.note a { color: var(--ink-soft); }

/* closing photo (bottom of home page) */
.closing-photo { margin: 8px 0 0; }
.closing-photo img { width: 100%; border-radius: 14px; box-shadow: 0 10px 34px rgba(18,50,79,0.16); }
.closing-photo figcaption { font-size: .82rem; color: var(--faint); margin-top: 10px; text-align: center; }
.closing-photo.small { text-align: center; }
.closing-photo.small img { max-width: 480px; margin: 0 auto; }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 0; }

/* Timeline → clean list, no dots/line */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 0 0 22px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline .when { font-size: .78rem; color: var(--faint); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 2px; }
.timeline .what { font-weight: 600; color: var(--ink); }
.timeline .where { color: var(--ink-soft); font-size: .96rem; }

/* Tags → light outline pills */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 0; padding: 0; list-style: none; }
.tags li {
  border: 1px solid var(--hairline);
  color: var(--ink-soft);
  font-size: .84rem;
  padding: 4px 12px;
  border-radius: 4px;
}

/* ---------- Publications ---------- */
.pub-list { list-style: none; padding: 0; margin: 0; }
.pub-item {
  padding: 0 0 14px;
  margin-bottom: 14px;
}
.pub-item:last-child { border-bottom: none; }
.pub-item .pub-title { font-weight: 600; color: var(--ink); }
.pub-item .pub-tag { color: var(--accent); font-weight: 600; font-size: .82em; }
.pub-item .pub-authors { font-size: .95rem; color: var(--ink-soft); margin: 3px 0; }
.pub-item .pub-authors .me { color: var(--ink); font-weight: 700; }
.pub-item .pub-venue { font-size: .93rem; color: var(--ink-soft); font-style: italic; }
.pub-item .pub-links { margin-top: 8px; font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; display: flex; gap: 18px; flex-wrap: wrap; }
.pub-year-group > .year {
  font-size: .95rem; font-weight: 700; color: var(--faint);
  letter-spacing: .06em;
  margin: 24px 0 12px;
}
.pub-year-group:first-child > .year { margin-top: 0; }
.pub-status { color: var(--ink-soft); padding: 8px 0; }
.pub-status.error { color: #a8492f; }
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--hairline); border-top-color: var(--accent);
  animation: spin .8s linear infinite; display: inline-block; vertical-align: middle; margin-right: 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Press / media list */
.media-list { list-style: none; padding: 0; margin: 0; }
.media-list li {
  padding: 15px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.media-list li:last-child { border-bottom: none; }
.media-list .m-title { font-weight: 500; color: var(--ink); }
a.m-title:hover { color: var(--accent); text-decoration: underline; }
.media-list .m-outlet { color: var(--faint); font-size: .9rem; }
.media-list li.has-embed { flex-direction: column; align-items: stretch; }
.media-list .media-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; width: 100%; }
.spotify-embed { margin-top: 12px; max-width: 560px; border: 0; }

footer.site {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px 32px 48px;
  color: var(--faint);
  font-size: .82rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 28px 22px 56px;
  }
  .sidebar { position: static; margin-bottom: 28px; padding-bottom: 4px; }
  .sidebar-card { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: center; }
  .sidebar .avatar, .sidebar .avatar-placeholder { margin: 0; width: 92px; height: 92px; }
  .sidebar .avatar-placeholder { font-size: 1.7rem; }
  .sidebar h1 { font-size: 1.35rem; }
  .sidebar .tagline { margin-bottom: 0; }
  .sidebar .meta { grid-column: 1 / -1; margin-bottom: 0; }
  .social { grid-column: 1 / -1; }

  /* nav moves above content, toggle shown */
  main { display: flex; flex-direction: column; }
  .topbar { order: -1; justify-content: flex-end; position: relative; margin-bottom: 30px; }
  .nav-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 40px; right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border: 1px solid var(--hairline);
    border-radius: 8px;
    padding: 6px 4px;
    z-index: 40;
    min-width: 190px;
    box-shadow: 0 8px 30px rgba(0,0,0,.08);
  }
  .nav.open { display: flex; }
  .nav a { padding: 10px 16px; border-bottom: none; }
  .nav a.active { border-bottom: none; color: var(--accent); }

  .hero h2 { font-size: 1.7rem; max-width: none; }
  .hero p { font-size: 1.05rem; }
}

@media (max-width: 460px) {
  body { font-size: 16px; }
  .sidebar-card { grid-template-columns: 1fr; }
  .page-title { font-size: 1.6rem; }
  .hero h2 { font-size: 1.5rem; }
}