/* ============================================================
   style.css
   Minimal, elegant, readable theme. Edit variables below to
   change colors/fonts globally.
   ============================================================ */

:root {
  --color-bg: #fbfaf8;
  --color-text: #232323;
  --color-muted: #6b6b6b;
  --color-accent: #2f4f4f; /* dark slate teal */
  --color-border: #e4e1da;
  --max-width: 760px;
  --font-serif: "Georgia", "Iowan Old Style", "Palatino Linotype", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

/* ---------------- Header / Nav ---------------- */

header.site-header {
  border-bottom: 1px solid var(--color-border);
  padding: 32px 0 20px;
}

.site-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0;
  color: var(--color-text);
  text-decoration: none;
}

header.site-header .container {
  text-align: center;
}

.site-tagline {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin: 4px 0 18px;
}

nav.site-nav {
  display: flex;
  gap: 24px;
}

nav.site-nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

nav.site-nav a:hover,
nav.site-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------------- Main content ---------------- */

main {
  padding: 48px 0 80px;
  min-height: 50vh;
}

h1.page-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin: 0 0 8px;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin: 40px 0 12px;
  color: var(--color-text);
}

p {
  margin: 0 0 16px;
  color: var(--color-text);
}

.muted {
  color: var(--color-muted);
}

/* ---------------- About page ---------------- */

.profile-block {
  display: flex;
  gap: 24px;
  align-items: center;
  text-align: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  flex-direction: column;

}

.profile-photo {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--color-border);
  background: #eee;
}

.profile-info h2 {
  font-family: var(--font-serif);
  margin: 0 0 4px;
  font-size: 1.3rem;
}

.profile-info .role {
  color: var(--color-accent);
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
  padding: 0;
  list-style: none;
}

.tag-list li {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.82rem;
  color: var(--color-muted);
}

/* ---------------- Icon contact row (replaces old contact list) ---------------- */

.icon-links {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 80px 0 0;
  padding: 0;
  list-style: none;
  justify-content: center;
}

.icon-links li {
  position: relative;
}

.icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  background: #fff;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.icon-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(47, 79, 79, 0.06);
}

.icon-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.icon-tooltip {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: #fff;
  font-size: 0.72rem;
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.icon-tooltip.show {
  opacity: 1;
}

/* ---------------- Publications page ---------------- */

.pub-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pub-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.pub-item:last-child {
  border-bottom: none;
}

.pub-title {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  margin: 0 0 4px;
}

.pub-title a {
  color: var(--color-text);
  text-decoration: none;
}

.pub-title a:hover {
  color: var(--color-accent);
}

.pub-meta {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.pub-abstract {
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 0;
}

/* ---------------- Personal page ---------------- */

.personal-section {
  margin-bottom: 32px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.gallery figure {
  margin: 0;
}

.gallery img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.gallery figcaption {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 4px;
}

/* ---------------- Footer ---------------- */

footer.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  font-size: 0.85rem;
  color: var(--color-muted);
  text-align: center;
}

/* ---------------- Responsive ---------------- */

@media (max-width: 480px) {
  body { font-size: 16px; }
  .profile-block { flex-direction: column; align-items: center; text-align: center; }
  nav.site-nav { gap: 16px; flex-wrap: wrap; }
}

p a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
  font-weight:560;
}

p a:hover {
  border-bottom-color: var(--color-accent);
}

.noscript-warning {
  max-width: var(--max-width);
  margin: 40px auto;
  padding: 20px 28px;
  background: #fdf0f0;
  border-radius: 10px;
  border: 1px solid #e5b3b3;
  text-align: center;
  color: #b3261e;
  font-weight: 500;
}

.noscript-warning p {
  margin: 0;
}