/* Minimal, image-ориентированная тема */
:root {
  --bg: #ffffff;
  --text: #1f2937; /* neutral body text */
  --muted: #6b7280; /* neutral secondary text */
  --accent: #7c3aed; /* violet — links & buttons */
  --accent-strong: #6d28d9;
  --card: #ffffff;
  --border: #e5e7eb; /* neutral border */
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif; min-height: 100%; }
body { display: flex; flex-direction: column; min-height: 100vh; }

.container { width: 100%; max-width: 980px; margin: 0 auto; padding: 0 20px; }

.site-header { position: sticky; top: 0; background: rgba(255,255,255,.85); backdrop-filter: blur(6px); border-bottom: 1px solid var(--border); }
.site-header .brand { color: var(--text); text-decoration: none; font-weight: 700; font-size: 18px; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.nav a { color: var(--muted); text-decoration: none; margin-left: 16px; }
.nav a:hover { color: var(--accent); }

.site-main { padding: 32px 0 64px; }

/* Посты сеткой с крупными обложками */
.posts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.post-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.post-card:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(124,58,237,.18); border-color: var(--accent-strong); }
.post-cover { display: block; width: 100%; height: 180px; object-fit: cover; background: #f3f4f6; }
.post-content { padding: 14px 14px 16px; }
.post-title { margin: 0 0 6px; font-size: 18px; color: var(--text); }
.post-meta { margin: 0 0 10px; color: var(--muted); font-size: 13px; }
.post-excerpt { margin: 0; color: var(--text); opacity: .9; font-size: 14px; }

/* Страницы */
h1, h2, h3 { color: var(--text); }
a { color: var(--accent); }
a:hover { color: var(--accent-strong); }
img { max-width: 100%; border-radius: 8px; }

.site-main { flex: 1; }
.site-footer { margin-top: auto; border-top: 1px solid var(--border); padding: 24px 0; color: var(--muted); background: var(--bg); }

/* About page layout */
.about { display: block; }
.about-photo { width: 100%; height: 260px; object-fit: cover; object-position: center; border-radius: 12px; border: 1px solid var(--border); display: block; margin-bottom: 16px; }
.about-text h1 { margin-top: 0; }

/* Contact page cards & buttons */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; margin: 16px 0 8px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.card h2 { margin: 0 0 8px; font-size: 18px; }
.muted { color: var(--muted); margin: 0 0 12px; font-size: 14px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 10px 14px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1px solid var(--border); color: var(--text); background: #f9fafb; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.social-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.social-list a { display: block; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; text-decoration: none; color: var(--text); background: #f9fafb; }
.social-list a:hover { border-color: var(--accent); color: var(--accent-strong); }

/* Branded buttons */
.btn-telegram { background: #229ED9; color: #fff; border-color: #229ED9; }
.btn-telegram:hover { background: #1f8ec3; border-color: #1f8ec3; }
.btn-scholar { background: #4285F4; color: #fff; border-color: #4285F4; }
.btn-scholar:hover { background: #3367d6; border-color: #3367d6; }
.btn-orcid { background: #A6CE39; color: #fff; border-color: #A6CE39; }
.btn-orcid:hover { background: #8fb32f; border-color: #8fb32f; }

/* Hero / landing */
.hero { padding: 8px 0 32px; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.hero-name { margin: 0 0 4px; font-size: 15px; color: var(--muted); font-weight: 600; letter-spacing: .02em; }
.hero-title { margin: 0 0 10px; font-size: clamp(26px, 5vw, 34px); line-height: 1.2; }
.hero-tags { margin: 0 0 16px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.hero-availability { margin: 0 0 12px; font-size: 14px; max-width: 72ch; }
.hero-desc { margin: 0 0 20px; max-width: 72ch; font-size: 16px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.card-highlight { border-color: var(--accent-strong); }
.card-links { margin: 10px 0 0; font-size: 14px; }
.card-links a { font-weight: 600; text-decoration: none; }
.card-links a:hover { text-decoration: underline; }

.portfolio-role { margin: 0 0 10px; font-size: 14px; color: var(--muted); }
.portfolio-anchor { border-color: var(--accent-strong); }
.evidence-list { margin: 0; padding-left: 1.2em; }
.evidence-list li { margin-bottom: 6px; }

.table-wrap { overflow-x: auto; margin: 16px 0 28px; }
.research-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.research-table th, .research-table td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: top; }
.research-table th { background: #f9fafb; font-weight: 600; }
.research-table .links-cell a { white-space: nowrap; }
.status-badge { display: inline-block; padding: 2px 8px; border-radius: 6px; background: #f3f4f6; font-size: 12px; font-weight: 600; text-transform: capitalize; color: var(--text); }
.collab-list { padding-left: 1.2em; }
.collab-list li { margin-bottom: 12px; }
.track-links { margin: 8px 0 0; font-size: 14px; }

.lead { font-size: 17px; line-height: 1.6; max-width: 72ch; }

.home-section { margin-bottom: 40px; }
.home-section h2 { margin: 0 0 16px; font-size: 22px; }
.home-intro { margin-bottom: 36px; }
.intro-text { margin: 0; max-width: 72ch; font-size: 16px; line-height: 1.65; color: var(--text); }

.home-visitors { padding-top: 8px; border-top: 1px solid var(--border); }
.visitor-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.visitor-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  background: var(--card);
}
.visitor-card h3 { margin: 0 0 8px; font-size: 16px; color: var(--text); }
.visitor-card p { margin: 0 0 10px; font-size: 14px; line-height: 1.55; color: var(--muted); }
.visitor-card p:last-child { margin-bottom: 0; }
.visitor-links { font-size: 14px; }
.visitor-links a { font-weight: 500; text-decoration: none; }
.visitor-links a:hover { text-decoration: underline; }

.home-contact { margin-bottom: 0; padding-top: 8px; }
.contact-footer-line { margin: 0; font-size: 14px; text-align: center; }
.contact-footer-line a { font-weight: 500; text-decoration: none; }
.contact-footer-line a:hover { text-decoration: underline; }

.section-link { margin: 12px 0 0; font-size: 14px; }

.keywords { margin: 8px 0 0; font-size: 13px; color: var(--muted); }

.track-list { margin: 0; padding-left: 1.2em; }
.track-list.compact li { margin-bottom: 8px; }
.track-list a { text-decoration: none; }
.track-list a:hover { text-decoration: underline; }

.posts-list-item { padding: 14px 0; border-bottom: 1px solid var(--border); }
.posts-list-item:last-child { border-bottom: none; }
.posts-list-item h3 { margin: 0 0 4px; font-size: 17px; }

.contact-inline { display: flex; flex-wrap: wrap; gap: 12px 16px; margin-top: 12px; font-size: 15px; }
.contact-inline a { text-decoration: none; font-weight: 500; }
.contact-inline a:hover { text-decoration: underline; }

/* Portfolio & research detail cards */
.portfolio-card, .track-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
}
.portfolio-card h2, .track-card h3 { margin-top: 0; font-size: 20px; }
.detail-list { margin: 16px 0 0; }
.detail-list dt { font-weight: 600; margin-top: 12px; color: var(--text); }
.detail-list dd { margin: 4px 0 0; color: var(--text); opacity: .92; }

.notice {
  background: #f9fafb;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.5;
}

.contact-links { list-style: none; padding: 0; margin: 16px 0; }
.contact-links li { margin-bottom: 10px; }
.contact-links a { font-weight: 500; text-decoration: none; }
.contact-links a:hover { text-decoration: underline; }

.template-list { margin: 0; padding-left: 1.2em; }
.template-list li { margin-bottom: 6px; }

.card h3 { margin: 0 0 8px; font-size: 16px; }

/* Responsive nav */
@media (max-width: 720px) {
  .site-header .container { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; gap: 8px; }
  .nav { display: flex; flex-wrap: wrap; gap: 8px 12px; }
  .nav a { margin-left: 0; font-size: 14px; }
  .hero { padding-bottom: 24px; }
}