:root {
      --crimson:      #B01020;
      --crimson-dark: #850B18;
      --crimson-glow: rgba(176, 16, 32, 0.12);
      --white:        #FFFFFF;
      --ivory:        #FAF8F5;
      --parchment:    #F2EEE8;
      --sand:         #E8E2D9;
      --warm-gray:    #9A9290;
      --charcoal:     #282420;
      --ink:          #1A1614;
      --whatsapp:     #25D366;
      --whatsapp-dark:#1aab52;
      --font-display: 'Playfair Display SC', Georgia, serif;
      --font-body:    'DM Sans', system-ui, sans-serif;
      --font-mono:    'DM Mono', monospace;
      --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
      --ease-in-out:  cubic-bezier(0.65, 0, 0.35, 1);
    }

    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: var(--font-body);
      background: var(--ivory);
      color: var(--ink);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    /* ============================================================
       BARRA DE PROGRESSO
    ============================================================ */
    #scroll-progress {
      position: fixed;
      top: 0; left: 0;
      height: 2px;
      background: var(--crimson);
      width: 0%;
      z-index: 9998;
      transition: width 0.1s linear;
    }

    /* ============================================================
       NAVEGAÇÃO
    ============================================================ */
    nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 64px;
      height: 76px;
      background: rgba(250, 248, 245, 0.95);
      border-bottom: 1px solid var(--sand);
      backdrop-filter: blur(16px) saturate(1.2);
      transition: box-shadow 0.4s var(--ease-out);
    }
    nav.scrolled { box-shadow: 0 1px 40px rgba(26, 22, 20, 0.08); }

    .nav-logo {
      font-family: var(--font-display);
      font-size: 22px;
      letter-spacing: 4px;
      color: var(--ink);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .nav-logo span { color: var(--crimson); }

    .nav-links { display: flex; gap: 44px; list-style: none; align-items: center; }
    .nav-links a {
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 2px;
      text-transform: uppercase;
      text-decoration: none;
      color: var(--warm-gray);
      transition: color 0.25s;
      position: relative;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -5px; left: 0; right: 0;
      height: 1px;
      background: var(--crimson);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.35s var(--ease-out);
    }
    .nav-links a:hover { color: var(--ink); }
    .nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
    .nav-links a.active { color: var(--crimson); }

    .nav-cta {
      background: var(--crimson) !important;
      color: var(--white) !important;
      padding: 10px 22px !important;
      font-family: var(--font-mono) !important;
      font-size: 10px !important;
      font-weight: 500 !important;
      letter-spacing: 2.5px !important;
      transition: background 0.25s, transform 0.2s !important;
    }
    .nav-cta:hover { background: var(--crimson-dark) !important; transform: translateY(-1px) !important; }
    .nav-cta::after { display: none !important; }

    /* ============================================================
       HERO
    ============================================================ */
    #hero {
      height: calc(100vh - 160px);
      min-height: 520px;
      display: grid;
      grid-template-columns: 55fr 45fr;
      overflow: hidden;
      position: relative;
      margin-top: 76px;
    }

    .hero-left {
      background: var(--ivory);
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
      z-index: 2;
      box-shadow: 8px 0 48px rgba(26, 22, 20, 0.06);
    }
    .hero-accent-line {
      position: absolute;
      left: 64px; top: 20%; bottom: 20%;
      width: 1px;
      background: linear-gradient(to bottom, transparent, var(--crimson) 30%, var(--crimson) 70%, transparent);
      opacity: 0.25;
    }
    .hero-content { padding: 0 72px 100px 88px; }

    .hero-page-tag {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 4px;
      text-transform: uppercase;
      color: var(--crimson);
      margin-bottom: 28px;
    }
    .hero-page-tag::before { content: ''; width: 28px; height: 1px; background: var(--crimson); }

    .hero-title {
      font-family: var(--font-display);
      font-size: clamp(52px, 5.5vw, 88px);
      font-weight: 700;
      line-height: 1.0;
      color: var(--ink);
      letter-spacing: 1px;
      margin-bottom: 28px;
    }
    .hero-title em { color: var(--crimson); font-style: italic; display: block; }

    .hero-sub {
      font-size: 15px;
      font-weight: 300;
      color: var(--warm-gray);
      line-height: 1.8;
      max-width: 400px;
      margin-bottom: 48px;
    }

    .btn-primary {
      background: var(--crimson);
      color: var(--white);
      padding: 16px 40px;
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      text-decoration: none;
      border: 1px solid var(--crimson);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transition: background 0.25s, transform 0.2s var(--ease-out), box-shadow 0.3s;
      cursor: pointer;
    }
    .btn-primary:hover {
      background: var(--crimson-dark);
      border-color: var(--crimson-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 32px rgba(176, 16, 32, 0.25);
    }
    .btn-arrow { display: inline-block; transition: transform 0.3s var(--ease-out); }
    .btn-primary:hover .btn-arrow { transform: translateX(4px); }

    .hero-breadcrumb {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      display: flex;
      align-items: center;
      gap: 12px;
      background: var(--white);
      border-top: 1px solid var(--sand);
      padding: 18px 88px;
    }
    .breadcrumb-item {
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--warm-gray);
      text-decoration: none;
      transition: color 0.2s;
    }
    .breadcrumb-item:hover { color: var(--crimson); }
    .breadcrumb-sep { color: var(--sand); font-size: 12px; }
    .breadcrumb-item.current { color: var(--crimson); }

    .hero-right { position: relative; overflow: hidden; }
    .hero-right img {
      position: absolute;
      top: 0; left: 0;
      width: 100%; height: 100%;
      object-fit: cover;
      object-position: center;
      z-index: 1;
      display: block;
    }
    .hero-video-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(135deg, rgba(26,22,20,0.15) 0%, transparent 60%);
      z-index: 2;
      pointer-events: none;
    }
    .hero-video-fade {
      position: absolute;
      top: 0; left: 0;
      width: 100px; height: 100%;
      background: linear-gradient(to right, rgba(250,248,245,0.6), transparent);
      z-index: 3;
      pointer-events: none;
    }
    .hero-badge {
      position: absolute;
      bottom: 52px; right: 52px;
      z-index: 4;
      background: var(--crimson);
      color: var(--white);
      padding: 22px 30px;
      text-align: center;
      animation: pulse 4s ease-in-out infinite;
    }
    .hero-badge-num { font-family: var(--font-display); font-size: 52px; line-height: 1; display: block; }
    .hero-badge-text {
      font-family: var(--font-mono);
      font-size: 9px;
      font-weight: 500;
      letter-spacing: 3px;
      text-transform: uppercase;
      opacity: 0.75;
      display: block;
      margin-top: 6px;
    }

    /* ============================================================
       STATS BAR
    ============================================================ */
    .stats-bar {
      background: var(--charcoal);
      padding: 44px 80px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }
    .stats-bar-label {
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 300;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: rgba(255,255,255,0.3);
      max-width: 200px;
      line-height: 1.8;
    }
    .stats-list { display: flex; gap: 0; }
    .stat-item {
      text-align: center;
      padding: 0 44px;
      border-right: 1px solid rgba(255,255,255,0.08);
    }
    .stat-item:first-child { border-left: 1px solid rgba(255,255,255,0.08); }
    .stat-num { font-family: var(--font-display); font-size: 40px; color: var(--white); line-height: 1; display: block; }
    .stat-label {
      font-family: var(--font-mono);
      font-size: 9px;
      font-weight: 300;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      color: rgba(255,255,255,0.3);
      display: block;
      margin-top: 6px;
    }
    .stat-item.highlight .stat-num { color: var(--crimson); }

    /* ============================================================
       DIVISORES
    ============================================================ */
    .divider-crimson { height: 2px; background: linear-gradient(to right, var(--crimson) 60%, transparent); }
    .divider-sand    { height: 1px; background: var(--sand); }

    /* ============================================================
       COMPONENTES REUTILIZÁVEIS
    ============================================================ */
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 3.5px;
      text-transform: uppercase;
      color: var(--crimson);
      margin-bottom: 16px;
    }
    .section-tag::before { content: ''; width: 24px; height: 1px; background: var(--crimson); }

    .section-title {
      font-family: var(--font-display);
      font-size: clamp(38px, 4.5vw, 62px);
      font-weight: 700;
      letter-spacing: 1px;
      line-height: 1.05;
      color: var(--ink);
    }

    /* ============================================================
       FILTROS
    ============================================================ */
    #filtros-section {
      padding: 72px 80px 48px;
      background: var(--ivory);
    }
    .filtros-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 48px;
      gap: 40px;
    }
    .filtros-header p {
      font-size: 14px;
      font-weight: 300;
      color: var(--warm-gray);
      line-height: 1.8;
      max-width: 340px;
      text-align: right;
    }

    .filtros-bar {
      display: flex;
      align-items: center;
      gap: 0;
      border: 1px solid var(--sand);
      background: var(--white);
      width: fit-content;
      overflow: hidden;
    }
    .filtro-btn {
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      color: var(--warm-gray);
      padding: 13px 28px;
      border: none;
      background: transparent;
      cursor: pointer;
      border-right: 1px solid var(--sand);
      transition: background 0.25s, color 0.25s;
      white-space: nowrap;
    }
    .filtro-btn:last-child { border-right: none; }
    .filtro-btn:hover { background: var(--parchment); color: var(--ink); }
    .filtro-btn.active { background: var(--crimson); color: var(--white); }

    /* ============================================================
       GRELHA DO PORTFÓLIO
    ============================================================ */
    #portfolio-grid-section {
      padding: 0 80px 108px;
      background: var(--ivory);
    }

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

    /* Card padrão */
    .portfolio-card {
      background: var(--white);
      position: relative;
      overflow: hidden;
      cursor: pointer;
      display: block;
      text-decoration: none;
    }
    .portfolio-card:hover .card-image img { transform: scale(1.06); }
    .portfolio-card:hover .card-overlay { opacity: 1; }
    .portfolio-card:hover .card-info { transform: translateY(0); opacity: 1; }
    .portfolio-card:hover .card-border-bottom { transform: scaleX(1); }

    /* Card grande (ocupa 2 colunas) */
    .portfolio-card.wide { grid-column: span 2; }
    /* Card alto (ocupa 2 linhas) */
    .portfolio-card.tall { grid-row: span 2; }

    .card-image {
      width: 100%;
      height: 300px;
      overflow: hidden;
      position: relative;
      background: var(--parchment);
    }
    .portfolio-card.tall .card-image { height: 100%; min-height: 602px; }
    .portfolio-card.wide .card-image { height: 340px; }

    .card-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      display: block;
      transition: transform 0.7s var(--ease-out);
    }

    /* Placeholder quando não há imagem */
    .card-placeholder {
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(160deg, var(--parchment), var(--sand));
    }
    .card-placeholder-icon {
      width: 48px;
      height: 48px;
      border: 1px solid rgba(176,16,32,0.2);
      background: rgba(176,16,32,0.04);
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .card-placeholder-icon svg {
      width: 22px; height: 22px;
      fill: none;
      stroke: var(--crimson);
      stroke-width: 1.5;
      stroke-linecap: round;
      stroke-linejoin: round;
      opacity: 0.5;
    }

    .card-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(26,22,20,0.72) 0%, rgba(26,22,20,0.1) 60%, transparent 100%);
      opacity: 0;
      transition: opacity 0.4s var(--ease-out);
      z-index: 2;
    }

    .card-category-tag {
      position: absolute;
      top: 20px; left: 20px;
      z-index: 3;
      background: var(--crimson);
      color: var(--white);
      font-family: var(--font-mono);
      font-size: 9px;
      font-weight: 500;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      padding: 6px 14px;
    }

    .card-num-tag {
      position: absolute;
      top: 20px; right: 20px;
      z-index: 3;
      font-family: var(--font-display);
      font-size: 13px;
      letter-spacing: 1px;
      color: rgba(255,255,255,0.5);
    }

    .card-info {
      position: absolute;
      bottom: 0; left: 0; right: 0;
      padding: 28px 28px 24px;
      z-index: 3;
      transform: translateY(12px);
      opacity: 0;
      transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease-out);
    }
    .card-info-title {
      font-family: var(--font-display);
      font-size: 18px;
      letter-spacing: 0.5px;
      color: var(--white);
      margin-bottom: 6px;
      line-height: 1.2;
    }
    .card-info-meta {
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 300;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: rgba(255,255,255,0.55);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .card-info-meta span { display: flex; align-items: center; gap: 5px; }
    .card-info-meta svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2; }

    .card-info-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 500;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--crimson);
      margin-top: 14px;
    }
    .card-info-cta svg { width: 14px; height: 14px; fill: none; stroke: var(--crimson); stroke-width: 2; transition: transform 0.3s; }
    .portfolio-card:hover .card-info-cta svg { transform: translateX(4px); }

    .card-body {
      padding: 24px 28px 28px;
      border-top: 1px solid var(--sand);
      position: relative;
    }
    .card-border-bottom {
      position: absolute;
      bottom: 0; left: 0;
      height: 2px;
      width: 100%;
      background: var(--crimson);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.4s var(--ease-out);
    }

    .card-title {
      font-family: var(--font-display);
      font-size: 17px;
      letter-spacing: 0.5px;
      color: var(--ink);
      margin-bottom: 8px;
      line-height: 1.25;
    }
    .card-meta {
      display: flex;
      gap: 16px;
      align-items: center;
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 300;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--warm-gray);
    }
    .card-meta-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--crimson); opacity: 0.6; }

    /* ============================================================
       DESTAQUE — OBRA EM FOCO
    ============================================================ */
    #obra-destaque {
      padding: 108px 80px;
      background: var(--charcoal);
      display: grid;
      grid-template-columns: 48fr 52fr;
      gap: 80px;
      align-items: center;
      position: relative;
      overflow: hidden;
    }
    #obra-destaque::before {
      content: '';
      position: absolute; inset: 0;
      background-image: repeating-linear-gradient(-45deg, transparent, transparent 40px, rgba(255,255,255,0.012) 40px, rgba(255,255,255,0.012) 41px);
      pointer-events: none;
    }
    #obra-destaque::after {
      content: '';
      position: absolute;
      left: 80px; top: 0; bottom: 0;
      width: 1px;
      background: linear-gradient(to bottom, transparent, rgba(176,16,32,0.3) 20%, rgba(176,16,32,0.3) 80%, transparent);
      pointer-events: none;
    }

    .destaque-text { position: relative; z-index: 1; }
    .destaque-text .section-tag { color: rgba(176,16,32,0.7); }
    .destaque-text .section-tag::before { background: rgba(176,16,32,0.7); }
    .destaque-text .section-title { color: var(--white); margin-bottom: 24px; }
    .destaque-text p {
      font-size: 15px;
      font-weight: 300;
      color: rgba(255,255,255,0.45);
      line-height: 1.85;
      margin-bottom: 36px;
      max-width: 460px;
    }

    .destaque-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1px;
      background: rgba(255,255,255,0.06);
      margin-bottom: 44px;
    }
    .spec-item {
      background: var(--charcoal);
      padding: 22px 24px;
      transition: background 0.25s;
    }
    .spec-item:hover { background: rgba(255,255,255,0.04); }
    .spec-label {
      font-family: var(--font-mono);
      font-size: 9px;
      font-weight: 300;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      color: rgba(255,255,255,0.3);
      margin-bottom: 6px;
    }
    .spec-value {
      font-family: var(--font-display);
      font-size: 16px;
      letter-spacing: 0.5px;
      color: var(--white);
    }
    .spec-value.accent { color: var(--crimson); }

    .destaque-visual { position: relative; z-index: 1; }
    .destaque-main-img {
      width: 100%;
      height: 440px;
      object-fit: cover;
      object-position: center;
      display: block;
      box-shadow: 0 16px 64px rgba(0,0,0,0.4);
    }
    .destaque-thumb-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 4px;
      margin-top: 4px;
    }
    .destaque-thumb {
      height: 110px;
      object-fit: cover;
      object-position: center;
      display: block;
      width: 100%;
      cursor: pointer;
      opacity: 0.65;
      transition: opacity 0.3s;
    }
    .destaque-thumb:hover, .destaque-thumb.active { opacity: 1; }
    .destaque-thumb-placeholder {
      height: 110px;
      background: linear-gradient(160deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .destaque-thumb-placeholder span {
      font-family: var(--font-mono);
      font-size: 9px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: rgba(255,255,255,0.2);
    }

    /* ============================================================
       CATEGORIAS RÁPIDAS
    ============================================================ */
    #categorias {
      padding: 96px 80px;
      background: var(--parchment);
    }
    .categorias-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      margin-bottom: 56px;
      gap: 40px;
    }
    .categorias-header p {
      font-size: 14px;
      font-weight: 300;
      color: var(--warm-gray);
      line-height: 1.8;
      max-width: 340px;
      text-align: right;
    }

    .categorias-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      background: var(--sand);
    }
    .categoria-card {
      background: var(--ivory);
      padding: 44px 36px;
      border-top: 2px solid transparent;
      transition: border-top-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease-out);
      cursor: default;
      position: relative;
      overflow: hidden;
    }
    .categoria-card:hover { border-top-color: var(--crimson); box-shadow: 0 8px 40px rgba(0,0,0,0.06); transform: translateY(-4px); }
    .categoria-card-num {
      position: absolute;
      bottom: -20px; right: -10px;
      font-family: var(--font-display);
      font-size: 120px;
      font-weight: 700;
      color: rgba(0,0,0,0.03);
      line-height: 1;
      pointer-events: none;
    }
    .categoria-icon {
      width: 48px; height: 48px;
      border: 1px solid rgba(176,16,32,0.2);
      background: rgba(176,16,32,0.04);
      display: flex; align-items: center; justify-content: center;
      margin-bottom: 24px;
      transition: background 0.3s, border-color 0.3s;
    }
    .categoria-card:hover .categoria-icon { background: var(--crimson); border-color: var(--crimson); }
    .categoria-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--crimson); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: stroke 0.3s; }
    .categoria-card:hover .categoria-icon svg { stroke: var(--white); }
    .categoria-title {
      font-family: var(--font-display);
      font-size: 22px;
      letter-spacing: 0.5px;
      color: var(--ink);
      margin-bottom: 10px;
    }
    .categoria-count {
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 300;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--warm-gray);
      margin-bottom: 14px;
    }
    .categoria-desc {
      font-size: 13px;
      font-weight: 300;
      line-height: 1.7;
      color: var(--warm-gray);
    }

    /* ============================================================
       CTA FINAL
    ============================================================ */
    #cta-final {
      padding: 128px 80px;
      background: var(--ivory);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 96px;
      align-items: center;
      position: relative;
    }
    #cta-final::before {
      content: 'NE';
      position: absolute;
      right: -20px; bottom: -60px;
      font-family: var(--font-display);
      font-size: 400px;
      color: rgba(0,0,0,0.025);
      pointer-events: none;
      user-select: none;
      line-height: 1;
    }

    .cta-text { position: relative; z-index: 1; }
    .cta-text .section-title { margin-bottom: 24px; }
    .cta-text p { font-size: 15px; font-weight: 300; color: var(--warm-gray); line-height: 1.85; margin-bottom: 44px; }
    .cta-btns { display: flex; gap: 14px; flex-wrap: wrap; }

    .btn-outline {
      background: transparent;
      color: var(--ink);
      padding: 14px 36px;
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      text-decoration: none;
      border: 1px solid var(--sand);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transition: border-color 0.25s, color 0.25s, transform 0.2s;
    }
    .btn-outline:hover { border-color: var(--crimson); color: var(--crimson); transform: translateY(-2px); }

    /* Painel de referências */
    .cta-refs {
      background: var(--white);
      border: 1px solid var(--sand);
      border-top: 2px solid var(--crimson);
      box-shadow: 0 4px 60px rgba(0,0,0,0.06);
      padding: 52px;
      position: relative;
      z-index: 1;
    }
    .cta-refs-title {
      font-family: var(--font-display);
      font-size: 26px;
      letter-spacing: 1px;
      color: var(--ink);
      margin-bottom: 8px;
    }
    .cta-refs-sub {
      font-size: 13px;
      font-weight: 300;
      color: var(--warm-gray);
      margin-bottom: 36px;
    }
    .refs-list { display: flex; flex-direction: column; gap: 0; }
    .ref-item {
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 18px 0;
      border-bottom: 1px solid var(--sand);
    }
    .ref-item:last-child { border-bottom: none; }
    .ref-num {
      font-family: var(--font-display);
      font-size: 28px;
      color: var(--crimson);
      line-height: 1;
      width: 44px;
      flex-shrink: 0;
    }
    .ref-text-title {
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--ink);
      margin-bottom: 3px;
    }
    .ref-text-sub { font-size: 12px; font-weight: 300; color: var(--warm-gray); }

    /* ============================================================
       LIGHTBOX
    ============================================================ */
    #lightbox {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 9999;
      background: rgba(26,22,20,0.95);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 24px;
      padding: 40px;
    }
    #lightbox.open { display: flex; }
    #lightbox img {
      max-width: 90vw;
      max-height: 80vh;
      object-fit: contain;
      box-shadow: 0 24px 80px rgba(0,0,0,0.6);
    }
    .lightbox-close {
      position: absolute;
      top: 28px; right: 36px;
      font-family: var(--font-mono);
      font-size: 11px;
      font-weight: 500;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: rgba(255,255,255,0.4);
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 10px;
      transition: color 0.2s;
      border: none;
      background: none;
    }
    .lightbox-close:hover { color: var(--crimson); }
    .lightbox-close svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; }
    .lightbox-caption {
      font-family: var(--font-mono);
      font-size: 10px;
      font-weight: 300;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      color: rgba(255,255,255,0.35);
    }

    /* ============================================================
       RODAPÉ
    ============================================================ */
    footer {
      background: var(--ink);
      padding: 44px 80px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      border-top: 2px solid var(--crimson);
    }
    .footer-logo { font-family: var(--font-display); font-size: 22px; letter-spacing: 3px; color: var(--white); text-decoration: none; display: flex; align-items: center; gap: 6px; }
    .footer-logo span { color: var(--crimson); }
    .footer-copy { font-size: 11px; font-weight: 300; color: rgba(255,255,255,0.25); font-family: var(--font-mono); }
    .footer-back { font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: 2.5px; text-transform: uppercase; color: rgba(255,255,255,0.3); text-decoration: none; transition: color 0.2s; display: flex; align-items: center; gap: 8px; }
    .footer-back:hover { color: var(--crimson); }
    .footer-back svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.5; }

    /* ============================================================
       ANIMAÇÕES
    ============================================================ */
    @keyframes fadeUp { from { opacity: 0; transform: translateY(32px); } to { opacity: 1; transform: translateY(0); } }
    @keyframes pulse { 0%, 100% { opacity: 0.85; transform: scale(1); } 50% { opacity: 1; transform: scale(1.01); } }
    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

    .hero-content .hero-page-tag { animation: fadeUp 0.9s 0.2s var(--ease-out) both; }
    .hero-content .hero-title    { animation: fadeUp 0.9s 0.35s var(--ease-out) both; }
    .hero-content .hero-sub      { animation: fadeUp 0.9s 0.5s var(--ease-out) both; }
    .hero-content .btn-primary   { animation: fadeUp 0.9s 0.65s var(--ease-out) both; }

    /* Cards hidden for filter animation */
    .portfolio-card.hidden {
      display: none;
    }
    .portfolio-card.fade-in {
      animation: fadeIn 0.4s ease both;
    }

    /* ============================================================
       RESPONSIVO
    ============================================================ */
    @media (max-width: 1024px) {
      nav { padding: 0 24px; }
      .nav-links { display: none; }
      #hero { grid-template-columns: 1fr; grid-template-rows: 1fr 45vh; height: auto; min-height: unset; margin-top: 76px; }
      .hero-content { padding: 0 0 0 16px; }
      .hero-accent-line { left: 20px; }
      .hero-left { padding: 80px 28px 100px; }
      .hero-right { height: 45vh; }
      .hero-breadcrumb { padding: 16px 28px; }
      .stats-bar { padding: 36px 28px; flex-direction: column; align-items: flex-start; gap: 28px; }
      .stats-list { flex-wrap: wrap; }
      .stat-item { padding: 0 24px; }
      #filtros-section { padding: 60px 28px 36px; }
      .filtros-header { flex-direction: column; align-items: flex-start; gap: 16px; }
      .filtros-header p { text-align: left; }
      .filtros-bar { flex-wrap: wrap; width: 100%; }
      .filtro-btn { flex: 1 1 auto; text-align: center; }
      #portfolio-grid-section { padding: 0 28px 72px; }
      .portfolio-grid { grid-template-columns: 1fr 1fr; }
      .portfolio-card.wide { grid-column: span 2; }
      .portfolio-card.tall { grid-row: auto; }
      .portfolio-card.tall .card-image { min-height: auto; }
      #obra-destaque { grid-template-columns: 1fr; padding: 72px 28px; gap: 48px; }
      #obra-destaque::after { display: none; }
      .categorias-grid { grid-template-columns: 1fr 1fr; }
      #categorias { padding: 60px 28px; }
      .categorias-header { flex-direction: column; align-items: flex-start; gap: 16px; }
      .categorias-header p { text-align: left; }
      #cta-final { grid-template-columns: 1fr; padding: 72px 28px; gap: 48px; }
      .cta-refs { padding: 32px; }
      #cta-final::before { display: none; }
      footer { padding: 36px 28px; }
    }
    @media (max-width: 640px) {
      .portfolio-grid { grid-template-columns: 1fr; }
      .portfolio-card.wide { grid-column: span 1; }
      .categorias-grid { grid-template-columns: 1fr; }
      .cta-btns { flex-direction: column; }
      .destaque-specs { grid-template-columns: 1fr; }
      .destaque-thumb-row { grid-template-columns: repeat(3, 1fr); }
    }
     .nav-logo {
      max-width: 230px;
      max-height: 100px;
      object-fit: contain;
      display: block;
      text-decoration: none;
    }