/* =============================================
   NEXUS WAVE — css/pages/portfolio.css
   Page-specific styles
   ============================================= */

    /* ── Portfolio-specific ── */

    .port-hero {
      min-height: 60vh;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 160px 56px 72px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border);
    }

    .port-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
      background-size: 80px 80px;
      pointer-events: none;
      mask-image: radial-gradient(ellipse 60% 70% at 15% 70%, black 5%, transparent 80%);
    }

    .port-hero h1 {
      font-family: var(--display);
      font-size: clamp(44px, 8vw, 96px);
      font-weight: 900;
      line-height: 0.92;
      letter-spacing: -4px;
      margin-bottom: 24px;
      position: relative;
      z-index: 2;
    }

    .port-hero p {
      font-size: 15px;
      color: var(--g5);
      max-width: 480px;
      line-height: 1.75;
      font-weight: 300;
      position: relative;
      z-index: 2;
    }

    /* Filter bar */
    .filter-bar {
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      padding: 20px 56px;
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .filter-label {
      font-size: 10px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--g4);
      font-weight: 500;
      margin-right: 8px;
    }

    .filter-btn {
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 0.5px;
      color: var(--g5);
      padding: 7px 16px;
      border: 1px solid var(--border);
      border-radius: 2px;
      background: transparent;
      cursor: pointer;
      font-family: var(--sans);
      transition: color 0.2s, background 0.2s, border-color 0.2s;
    }

    .filter-btn:hover,
    .filter-btn.active {
      color: var(--text);
      background: rgba(255,255,255,0.06);
      border-color: rgba(255,255,255,0.15);
    }

    /* Portfolio grid */
    .portfolio-section {
      background: var(--bg);
      padding: 56px 56px 80px;
    }

    .portfolio-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2px;
      background: var(--border);
    }

    /* Each card */
    .pcard {
      background: var(--surface);
      display: block;
      text-decoration: none;
      overflow: hidden;
      position: relative;
      aspect-ratio: 4 / 5;
      transition: background 0.3s var(--ease);
    }

    .pcard:hover {
      background: var(--surface2);
    }

    .pcard.hidden {
      display: none;
    }

    .pcard-inner {
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 28px;
      position: relative;
    }

    /* ghost number */
    .pcard-ghost {
      position: absolute;
      bottom: -16px;
      right: -8px;
      font-family: var(--display);
      font-size: 120px;
      font-weight: 900;
      color: rgba(255,255,255,0.035);
      line-height: 1;
      letter-spacing: -6px;
      user-select: none;
      pointer-events: none;
    }

    .pcard-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 9px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--g5);
      font-weight: 500;
      border: 1px solid var(--border);
      padding: 4px 10px;
      width: fit-content;
      border-radius: 2px;
    }

    .pcard-body {
      position: relative;
      z-index: 1;
    }

    .pcard-service {
      font-size: 10px;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--g5);
      margin-bottom: 10px;
      font-weight: 400;
    }

    .pcard-title {
      font-family: var(--display);
      font-size: 24px;
      font-weight: 700;
      letter-spacing: -0.5px;
      line-height: 1.1;
      color: var(--text);
      margin-bottom: 12px;
    }

    .pcard-desc {
      font-size: 12px;
      color: var(--g5);
      line-height: 1.65;
      font-weight: 300;
    }

    .pcard-badges {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      margin-top: 16px;
    }

    .pbadge {
      font-size: 9px;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--g4);
      padding: 3px 8px;
      border: 1px solid var(--border);
      border-radius: 2px;
    }

    /* Stats bar */
    .stats-strip {
      background: var(--surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
    }

    .stat-cell {
      padding: 36px 32px;
      border-right: 1px solid var(--border);
    }

    .stat-cell:last-child {
      border-right: none;
    }

    .stat-num {
      font-family: var(--display);
      font-size: 52px;
      font-weight: 900;
      letter-spacing: -3px;
      line-height: 1;
      color: var(--text);
    }

    .stat-num span {
      font-size: 32px;
      color: var(--g5);
    }

    .stat-lbl {
      font-size: 12px;
      color: var(--g5);
      margin-top: 8px;
      font-weight: 300;
    }

    /* CTA */
    .port-cta {
      background: var(--bg);
      padding: 100px 56px;
      text-align: center;
    }

    .port-cta h2 {
      font-family: var(--display);
      font-size: clamp(36px, 6vw, 72px);
      font-weight: 900;
      letter-spacing: -3px;
      line-height: 0.95;
      margin-bottom: 20px;
    }

    .port-cta p {
      font-size: 15px;
      color: var(--g5);
      max-width: 440px;
      margin: 0 auto 44px;
      line-height: 1.75;
      font-weight: 300;
    }

    .port-cta-btns {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* Responsive */
    @media (max-width: 900px) {
      .port-hero { padding: 130px 28px 60px; }
      .filter-bar { padding: 16px 28px; }
      .portfolio-section { padding: 40px 28px 60px; }
      .portfolio-grid { grid-template-columns: 1fr 1fr; }
      .stats-strip { grid-template-columns: 1fr 1fr; }
      .port-cta { padding: 72px 28px; }
    }

    @media (max-width: 640px) {
      .port-hero { padding: 110px 20px 48px; }
      .filter-bar { padding: 14px 20px; }
      .portfolio-section { padding: 28px 20px 48px; }
      .portfolio-grid { grid-template-columns: 1fr; }
      .stats-strip { grid-template-columns: 1fr 1fr; }
      .port-cta { padding: 56px 20px; }
    }