/* ============================================================
   Felicia Körner — Academic Site
   style.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=DM+Sans:wght@400;500;700&display=swap');

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

:root {
  --navy:      #1a2744;
  --navy-mid:  #243258;
  --navy-dark: #111b30;
  --cream:     #f2ede4;
  --mustard:   #e8a838;
  --rust:      #c0473a;
  --sage:      #4a7c59;
  --lavender:  #b07fc4;
  --blue:      #4a90c4;

  --text-primary:   #f2ede4;
  --text-secondary: rgba(242,237,228,0.82);
  --text-muted:     rgba(242,237,228,0.55);
  --border:         rgba(242,237,228,0.08);
  --border-mid:     rgba(242,237,228,0.12);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'DM Sans', Arial, sans-serif;

  --max-width: 860px;
  --pad-h: 40px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.prose a:not(.btn):not(.pub-link) {
  color: var(--mustard);
  text-decoration: underline;
  text-decoration-color: rgba(232,168,56,0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s;
}
.prose a:not(.btn):not(.pub-link):hover { text-decoration-color: var(--mustard); }

.pub-list a:not(.pub-link) {
  color: var(--mustard);
  text-decoration: underline;
  text-decoration-color: rgba(232,168,56,0.4);
  text-underline-offset: 3px;
}

.prose p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
strong { font-weight: 700; color: var(--text-primary); }
ul { list-style: none; }

.site-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--pad-h);
}

/* Navigation */
.site-nav {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(26,39,68,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
}

.site-nav .site-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.nav-name {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--text-primary);
}

.nav-links { display: flex; gap: 28px; }

.nav-links a {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--mustard); }

/* Page header (inner pages) */
.page-header {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border);
}
.page-header h1 {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 10px;
}
.page-header p {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 520px;
}

/* Hero */
.hero {
  display: flex;
  align-items: flex-start;
  gap: 44px;
  padding: 60px 0 56px;
  border-bottom: 1px solid var(--border);
}

.photo-wrap {
  flex-shrink: 0;
  width: 152px; height: 152px;
  border-radius: 50%;
  background: var(--navy-mid);
  border: 2px solid var(--border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.photo-wrap img { width: 100%; height: 100%; object-fit: cover; }
.photo-initials {
  font-family: var(--font-serif);
  font-size: 38px;
  font-style: italic;
  color: rgba(242,237,228,0.2);
  user-select: none;
}
.photo-accent {
  position: absolute;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--mustard);
  bottom: 9px; right: 9px;
}

.hero-text { flex: 1; }

.hero-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mustard);
  margin-bottom: 14px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 50px;
  font-weight: 400;
  line-height: 1.0;
  margin-bottom: 18px;
}

.hero-bio {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 28px;
}

.hero-ctas { display: flex; gap: 10px; flex-wrap: wrap; }

/* Buttons */
.btn {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 9px 20px;
  border-radius: 4px;
  display: inline-block;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, background 0.2s, border-color 0.2s;
}
.btn-fill { background: var(--mustard); color: var(--navy); }
.btn-fill:hover { opacity: 0.88; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border-mid);
  color: var(--text-secondary);
}
.btn-outline:hover { border-color: rgba(242,237,228,0.3); color: var(--text-primary); }

/* Section head */
.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 24px;
  padding-top: 44px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
}
.section-link {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mustard);
}
.section-link:hover { opacity: 0.75; }

/* News */
.news-list { padding-bottom: 56px; }

.news-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 0 24px;
  padding: 15px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.news-item:last-child { border-bottom: none; }

.news-date {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  white-space: nowrap;
}

.news-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.news-text a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-decoration-color: rgba(242,237,228,0.25);
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}
.news-text a:hover {
  color: var(--text-primary);
  text-decoration-color: rgba(242,237,228,0.6);
}

.news-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  margin-right: 8px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}
.badge-talk   { background: rgba(74,144,196,0.18);  color: #7bb8e8; }
.badge-paper  { background: rgba(232,168,56,0.18);  color: #e8a838; }
.badge-conference  { background: rgba(74,124,89,0.22);   color: #7dbf95; }
.badge-visit  { background: rgba(176,127,196,0.18); color: #c9a0d8; }
.badge-misc   { background: rgba(242,237,228,0.1);  color: rgba(242,237,228,0.55); }

/* Publications */
.pub-list { padding-bottom: 56px; }

.pub-year-label {
  font-family: var(--font-serif);
  font-size: 13px;
  font-style: italic;
  color: var(--text-muted);
  padding: 28px 0 10px;
  border-bottom: 1px solid var(--border);
}

.pub-item {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 0 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.pub-item:last-child { border-bottom: none; }

.pub-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-top: 6px;
}

.pub-title {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 6px;
}
.pub-authors { font-size: 13px; color: var(--text-muted); margin-bottom: 3px; }
.pub-venue { font-size: 13px; font-style: italic; color: var(--text-secondary); margin-bottom: 10px; }
.pub-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }

.tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
}
.t-yellow { background: rgba(232,168,56,0.15);  color: #e8a838; }
.t-blue   { background: rgba(74,144,196,0.15);  color: #7bb8e8; }
.t-purple { background: rgba(176,127,196,0.15); color: #c9a0d8; }
.t-green  { background: rgba(74,124,89,0.2);    color: #7dbf95; }
.t-rust   { background: rgba(192,71,58,0.15);   color: #e07060; }

.pub-links { display: flex; gap: 10px; flex-wrap: wrap; }
.pub-link {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mustard);
  border: 1px solid rgba(232,168,56,0.3);
  padding: 3px 10px;
  border-radius: 3px;
  transition: background 0.2s;
}
.pub-link:hover { background: rgba(232,168,56,0.1); }

/* CV */
.cv-section { padding-bottom: 48px; }

.cv-group-title {
  font-family: var(--font-serif);
  font-size: 13px;
  font-style: italic;
  color: var(--text-muted);
  padding: 28px 0 10px;
  border-bottom: 1px solid var(--border);
}

.cv-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.cv-item:last-child { border-bottom: none; }

.cv-period { font-size: 11px; font-weight: 700; letter-spacing: 0.05em; color: var(--text-muted); padding-top: 3px; }
.cv-title { font-family: var(--font-serif); font-size: 16px; color: var(--text-primary); margin-bottom: 4px; line-height: 1.3; }
.cv-institution { font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
.cv-detail { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

.cv-download { padding: 44px 0 56px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.site-footer .site-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-name {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  color: var(--text-muted);
}
.footer-links { display: flex; gap: 20px; }
.footer-links a {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-primary); }

/* Responsive */
@media (max-width: 640px) {
  :root { --pad-h: 20px; }
  .hero { flex-direction: column; gap: 24px; padding: 36px 0; }
  .photo-wrap { width: 96px; height: 96px; }
  .hero h1 { font-size: 36px; }
  .nav-links { gap: 14px; }
  .nav-links a { font-size: 10px; letter-spacing: 0.08em; }
  .cv-item, .talk-item, .news-item { grid-template-columns: 1fr; gap: 4px 0; }
  .pub-item { grid-template-columns: 10px 1fr; }
  .site-footer .site-wrap { flex-direction: column; gap: 12px; text-align: center; }
}