/* ============================================================
   МАТРИЦА — общий стиль (author-alexander.html, author-leonid-raichlin.html, authors.html, blog.html)
   ============================================================ */

#hero {
      background: var(--navy);
      padding: 72px 0 64px;
      position: relative;
      overflow: hidden;
    }
.fem-svg { position:absolute; top:0; left:0; width:100%; height:100%; pointer-events:none; }
.breadcrumb { font-size: 0.78rem; color: rgba(255,255,255,0.38); margin-bottom: 24px; display: flex; gap: 6px; align-items: center; }
.breadcrumb a { color: rgba(255,255,255,0.38); text-decoration: none; }
.breadcrumb a:hover { color: rgba(255,255,255,0.7); }
.author-hero {
      display: flex; gap: 40px; align-items: flex-start;
    }
@media(max-width:600px) { .author-hero { flex-direction: column; gap: 24px; } }
.author-hero__photo {
      width: 110px; height: 110px; flex-shrink: 0;
      border-radius: 50%;
      background: rgba(168,212,240,0.1);
      border: 2px solid rgba(168,212,240,0.25);
      display: flex; align-items: center; justify-content: center;
      font-family: 'IBM Plex Sans Condensed', sans-serif; font-size: 2.5rem;
      color: var(--light-blue); font-weight: 600;
    }
.author-hero__info { flex: 1; }
.author-hero__label {
      font-size: 0.7rem; font-weight: 500; letter-spacing: 0.2em;
      text-transform: uppercase; color: var(--light-blue); margin-bottom: 10px;
    }
.author-hero__name {
      font-family: 'IBM Plex Sans Condensed', sans-serif; font-size: clamp(1.8rem, 4vw, 2.6rem);
      font-weight: 600; color: var(--white); margin-bottom: 14px; line-height: 1.1;
    }
.author-hero__bio {
      font-size: 1.02rem; color: rgba(255,255,255,0.65);
      max-width: 580px; line-height: 1.75; margin-bottom: 24px;
    }
.author-hero__stats {
      display: flex; gap: 32px; flex-wrap: wrap;
      padding-top: 20px;
      border-top: 0.5px solid rgba(255,255,255,0.1);
    }
.author-stat__n {
      font-family: 'IBM Plex Sans Condensed', sans-serif; font-size: 1.6rem;
      font-weight: 600; color: var(--white); line-height: 1; margin-bottom: 3px;
    }
.author-stat__l {
      font-size: 0.72rem; color: rgba(255,255,255,0.38);
      text-transform: uppercase; letter-spacing: 0.08em;
    }
.author-hero__links {
      display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap;
    }
.author-link {
      display: inline-flex; align-items: center; gap: 7px;
      font-size: 0.85rem; color: rgba(255,255,255,0.65);
      text-decoration: none; border: 0.5px solid rgba(255,255,255,0.18);
      border-radius: 2px; padding: 8px 14px;
      transition: border-color 0.2s, color 0.2s;
    }
.author-link:hover { color: var(--white); border-color: rgba(255,255,255,0.4); }
.author-link svg { width: 16px; height: 16px; fill: currentColor; flex-shrink: 0; }
#expertise {
      background: var(--paper);
      padding: 60px 0;
    }
.expertise-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 32px;
    }
@media(max-width:640px) { .expertise-grid { grid-template-columns: 1fr 1fr; } }
@media(max-width:400px) { .expertise-grid { grid-template-columns: 1fr; } }
.expertise-card {
      background: var(--white);
      border: 0.5px solid var(--gray-mid);
      border-top: 2.5px solid var(--navy);
      border-radius: 2px;
      padding: 20px 18px;
    }
.expertise-card__title {
      font-family: 'IBM Plex Sans Condensed', sans-serif; font-size: 0.95rem;
      font-weight: 600; color: var(--navy); margin-bottom: 6px;
    }
.expertise-card__text {
      font-size: 0.85rem; color: var(--muted); line-height: 1.6; margin: 0;
    }
#posts { background: var(--white); padding: 64px 0 72px; }
.posts-grid {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 36px;
    }
@media(max-width:860px) { .posts-grid { grid-template-columns: repeat(2, 1fr); } }
@media(max-width:520px) { .posts-grid { grid-template-columns: 1fr; } }
.post-card {
      background: var(--white);
      border: 0.5px solid var(--gray-mid);
      border-radius: 2px;
      text-decoration: none;
      color: inherit;
      display: flex;
      flex-direction: column;
      transition: box-shadow 0.2s, transform 0.15s;
    }
.post-card:hover { box-shadow: 0 6px 24px rgba(28,43,58,0.1); transform: translateY(-2px); }
.post-card__cover { aspect-ratio: 3/2; overflow: hidden; }
.post-card__cover svg { width: 100%; height: 100%; display: block; }
.post-card__body {
      padding: 14px 14px 16px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
.post-card__tag { font-size:0.6rem; font-weight:500; letter-spacing:0.18em; text-transform:uppercase; color:var(--blue); margin-bottom:7px; }
.post-card__title { font-family:'IBM Plex Sans Condensed',sans-serif; font-size:0.92rem; font-weight:600; color:var(--navy); line-height:1.25; margin-bottom:8px; }
.post-card:hover .post-card__title { color: var(--blue); }
.post-card__excerpt { font-size:0.78rem; color:var(--muted); line-height:1.55; margin-bottom:10px; flex:1; }
.post-card__meta { font-size:0.7rem; color:rgba(90,100,112,0.55); display:flex; justify-content:space-between; padding-top:8px; border-top:0.5px solid var(--gray-mid); }
.post-card__read { color:var(--blue); font-weight:500; font-size:0.72rem; }