/* styles/portfolio.css */

/* ===========================
   Portfolio (hub + lists)
   Tabs, categories, grids, cards
   =========================== */

   .portfolio-hub,
   .portfolio-tabs,
   .portfolio-list {
     max-width: var(--container);
     margin: 0 auto;
     padding-left: var(--pad-x);
     padding-right: var(--pad-x);
   }

   /* hub layout spacing */
   .portfolio-hub {
     padding-top: clamp(2rem, 4vw, 2.8rem);
     padding-bottom: clamp(2.6rem, 5vw, 3.4rem);
   }

   /* ===========================
      Hub tiles
      =========================== */

   .hub-tiles {
     display: grid;
     grid-template-columns: repeat(2, minmax(0, 1fr));
     gap: 16px;
   }

   .hub-tile {
     display: block;
     padding: clamp(22px, 3.2vw, 30px);
     border-radius: var(--radius);
     text-decoration: none;

     background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
     border: 1px solid rgba(255, 255, 255, 0.10);

     box-shadow: var(--shadow-soft);
     transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
   }

   .hub-tile:hover {
     transform: translateY(-2px);
     border-color: rgba(255,255,255,0.16);
     background: linear-gradient(135deg, rgba(255,255,255,0.075), rgba(255,255,255,0.035));
     box-shadow: var(--shadow);
   }

   .hub-title {
     margin: 0 0 8px;
     font-size: 1.4rem;
     font-weight: 860;
     letter-spacing: -0.02em;
     color: var(--text);
   }

   .hub-subtitle {
     margin: 0;
     color: var(--muted);
     line-height: 1.55;
   }

   /* ===========================
      Hub sections
      =========================== */

   .hub-section {
     margin-top: clamp(26px, 4vw, 38px);
   }

   .hub-section__head {
     display: flex;
     align-items: baseline;
     justify-content: space-between;
     gap: 14px;
     margin-bottom: 12px;
   }

   .hub-section__title {
     margin: 0;
     font-size: 1.15rem;
     font-weight: 850;
     letter-spacing: -0.02em;
   }

   .hub-section__link {
     text-decoration: none;
     color: rgba(249, 247, 239, 0.88);
     font-weight: 750;
     opacity: 0.9;
     transition: opacity 0.16s ease, transform 0.16s ease;
   }

   .hub-section__link:hover {
     opacity: 1;
     transform: translateY(-1px);
     text-decoration: underline;
     text-decoration-color: rgba(216, 255, 0, 0.6);
     text-underline-offset: 3px;
   }

   .empty-state {
     text-align: center;
     opacity: 0.8;
     padding: 14px 0;
     color: var(--muted);
   }

   /* ===========================
      Tabs + Categories controls
      =========================== */

   .tabs-control {
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 12px;
     flex-wrap: wrap;
   }

   /* wrapper spacing */
   .portfolio-tabs {
     padding-top: 1.6rem;
     padding-bottom: 0.6rem;
   }

   .portfolio-cats {
     max-width: var(--container);
     margin: 0 auto;
     padding-left: var(--pad-x);
     padding-right: var(--pad-x);
   }

   /* přepíšu inline marginy v šabloně, ať je rytmus jednotný */
   .portfolio-cats[style] {
     margin: 0 auto 1rem !important;
   }

   /* tab button look */
   .tab-btn {
     display: inline-flex;
     align-items: center;
     justify-content: center;

     padding: 10px 14px;
     border-radius: 999px;
     text-decoration: none;

     font-weight: 800;
     letter-spacing: -0.01em;
     color: rgba(249, 247, 239, 0.88);

     background: rgba(255, 255, 255, 0.04);
     border: 1px solid rgba(255, 255, 255, 0.10);

     transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
   }

   .tab-btn:hover {
     transform: translateY(-1px);
     background: rgba(255, 255, 255, 0.06);
     border-color: rgba(255, 255, 255, 0.16);
     color: var(--text);
   }

   .tab-btn:focus-visible {
     outline: 2px solid var(--focus);
     outline-offset: 3px;
   }

   /* active state */
   .tab-btn.active {
     background: rgba(216, 255, 0, 0.14);
     border-color: rgba(216, 255, 0, 0.36);
     color: var(--text);
   }

   /* ===========================
      Grid + Cards (hub + list)
      =========================== */

   .cards-grid {
     margin-top: 14px;
   }

   .cards-grid .grid {
     display: grid;
     grid-template-columns: repeat(3, minmax(0, 1fr));
     gap: 16px;
   }

   /* list wrapper spacing */
   .portfolio-list {
     padding-top: 0.8rem;
     padding-bottom: clamp(2.8rem, 5vw, 3.6rem);
   }

   /* Card */
   .card {
     border-radius: var(--radius);
     overflow: hidden;
     background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
     border: 1px solid rgba(255, 255, 255, 0.10);
     box-shadow: var(--shadow-soft);
     transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
   }

   .card:hover {
     transform: translateY(-3px);
     border-color: rgba(255,255,255,0.16);
     box-shadow: var(--shadow);
   }

   .card-link {
     display: block;
     color: inherit;
     text-decoration: none;
   }

   .card img {
     width: 100%;
     aspect-ratio: 16 / 9;
     object-fit: cover;
     display: block;
     filter: saturate(1.05) contrast(1.02);
     transform: scale(1.001);
   }

   .card-body {
     padding: 16px 16px 18px;
   }

   .card-title {
     margin: 0 0 8px;
     font-size: 1.1rem;
     font-weight: 860;
     letter-spacing: -0.02em;
     line-height: 1.25;
   }

   .card-teaser {
     margin: 0 0 14px;
     color: rgba(249, 247, 239, 0.78);
     line-height: 1.55;
   }

   .card-meta {
     display: flex;
     align-items: center;
     justify-content: space-between;
     gap: 10px;
     flex-wrap: wrap;
     color: rgba(249, 247, 239, 0.68);
     font-size: 0.92rem;
   }

   .card-meta time {
     opacity: 0.95;
   }

   /* badge v kartě je už z blog.css, jen doladím kontext */
   .card-meta .badge {
     background: rgba(255, 255, 255, 0.06);
     border-color: rgba(255, 255, 255, 0.10);
   }

   /* ===========================
      Responsive
      =========================== */

   /* Responsive → responsive.css */