/* =====================================================================
           BOTÃO VOLTAR
        ===================================================================== */
        .smart-back {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-corpo);
            font-size: 10px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--cinza);
            text-decoration: none;
            padding: 10px 18px;
            border: 1px solid var(--borda-forte);
            background: transparent;
            transition: var(--fast);
            align-self: flex-start;
        }

        .smart-back svg {
            width: 14px;
            height: 14px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.5px;
        }

        .smart-back:hover {
            color: var(--verde-medio);
            border-color: var(--verde-medio);
            gap: 14px;
        }

        /* =====================================================================
           PAGE HEADER (padrão acabamentos.html)
        ===================================================================== */
        .page-header {
            margin-top: 40px;
            padding-bottom: 40px;
        }

        .ph-eyebrow {
            font-family: var(--font-corpo);
            font-size: 13px;
            letter-spacing: 5px;
            text-transform: uppercase;
            color: var(--cinza);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .ph-eyebrow::before {
            content: '';
            display: block;
            width: 24px;
            height: 1px;
            background: var(--cinza);
        }

        .ph-h1 {
            font-family: var(--font-titulo);
            font-weight: 600;
            font-size: clamp(28px, 3.5vw, 44px);
            color: var(--verde-medio);
            letter-spacing: -1.5px;
            line-height: 1.05;
            margin-bottom: 20px;
        }

        .ph-h1 em {
            font-style: italic;
            font-weight: 300;
            color: var(--cinza);
        }

        /* =====================================================================
           MOBILE DESC (acoplada ao card, visível apenas no mobile)
        ===================================================================== */
        .mat-card-mobile-desc {
            display: none;
        }

        .mat-wrap {
            max-width: 1280px;
            margin: 0 auto;
            padding: 120px 24px 140px;
        }

        /* =====================================================================
           HERO STATEMENT
        ===================================================================== */
        .hero-statement {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-top: 1px solid var(--borda);
            border-bottom: 1px solid var(--borda);
            margin-bottom: 100px;
        }

        .hero-left {
            padding: 60px 60px 60px 0;
            border-right: 1px solid var(--borda);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 40px;
        }

        .hero-eyebrow {
            font-family: var(--font-corpo);
            font-size: 9px;
            letter-spacing: 5px;
            text-transform: uppercase;
            color: var(--cinza);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-eyebrow::before {
            content: '';
            display: block;
            width: 24px;
            height: 1px;
            background: var(--cinza);
        }

        .hero-h1 {
            font-family: var(--font-titulo);
            font-weight: 600;
            font-size: clamp(32px, 4.5vw, 58px);
            color: var(--verde-medio);
            letter-spacing: -2px;
            line-height: 1.02;
        }

        .hero-h1 em {
            font-style: italic;
            font-weight: 300;
            color: var(--cinza);
        }

        .hero-index {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .hero-index-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-top: 1px solid var(--borda);
            text-decoration: none;
            transition: var(--md);
        }

        .hero-index-item:last-child {
            border-bottom: 1px solid var(--borda);
        }

        .hero-index-num {
            font-family: var(--font-titulo);
            font-weight: 700;
            font-size: 10px;
            letter-spacing: 2px;
            color: var(--bege);
            flex-shrink: 0;
            width: 28px;
        }

        .hero-index-label {
            font-family: var(--font-corpo);
            font-size: 11px;
            letter-spacing: 2.5px;
            text-transform: uppercase;
            color: var(--cinza);
            flex: 1;
            transition: color 0.3s ease;
        }

        .hero-index-arrow {
            width: 16px;
            height: 16px;
            stroke: var(--bege);
            fill: none;
            stroke-width: 1.5px;
            transition: var(--md);
        }

        .hero-index-item:hover .hero-index-label {
            color: var(--verde-medio);
        }

        .hero-index-item:hover .hero-index-arrow {
            stroke: var(--verde-medio);
            transform: translateX(4px);
        }

        .hero-right {
            padding: 60px 0 60px 60px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            gap: 28px;
        }

        .hero-lead {
            font-family: var(--font-corpo);
            font-size: 18px;
            line-height: 2;
            color: var(--cinza);
        }

        .hero-stat-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            padding-top: 28px;
            border-top: 1px solid var(--borda);
        }

        .hero-stat {
            padding: 0 20px;
            border-right: 1px solid var(--borda);
        }

        .hero-stat:first-child {
            padding-left: 0;
        }

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

        .hero-stat-val {
            font-family: var(--font-titulo);
            font-weight: 600;
            font-size: 28px;
            color: var(--verde-medio);
            letter-spacing: -1px;
            line-height: 1;
            display: block;
            margin-bottom: 6px;
        }

        .hero-stat-lbl {
            font-family: var(--font-corpo);
            font-size: 9px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--bege);
        }

        /* =====================================================================
           SEÇÃO DE CATEGORIA
        ===================================================================== */
        .mat-category {
            margin-bottom: 100px;
        }

        /* Cabeçalho da categoria */
        .cat-head {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 24px;
            margin-bottom: 56px;
        }

        .cat-num {
            font-family: var(--font-titulo);
            font-weight: 700;
            font-size: 11px;
            letter-spacing: 3px;
            color: var(--bege);
        }

        .cat-line {
            height: 1px;
            background: var(--borda);
        }

        .cat-title-wrap {
            text-align: right;
        }

        .cat-eyebrow {
            font-family: var(--font-corpo);
            font-size: 9px;
            letter-spacing: 4px;
            text-transform: uppercase;
            color: var(--cinza);
            display: block;
            margin-bottom: 6px;
        }

        .cat-title {
            font-family: var(--font-titulo);
            font-weight: 600;
            font-size: clamp(24px, 2.8vw, 38px);
            color: var(--verde-medio);
            letter-spacing: -1px;
            line-height: 1.05;
        }

        .cat-title em {
            font-weight: 300;
            font-style: italic;
            color: var(--cinza);
        }

        /* ─── GRID DE MATERIAIS ─────────────────────────────────────────── */
        .mat-grid {
            display: grid;
            gap: 2px;
        }

        /* Todos os grids de materiais — 3 colunas iguais */
        .mat-grid--three,
        .mat-grid--featured,
        .mat-grid--featured-right {
            grid-template-columns: repeat(3, 1fr);
        }

        /* ─── CARD DE MATERIAL ──────────────────────────────────────────── */
        .mat-card {
            position: relative;
            cursor: default;
            background: var(--creme);
        }

        .mat-card-inner {
            position: relative;
            width: 100%;
            min-height: 460px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }

        /* Imagem de fundo */
        .mat-card-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.9s var(--ease);
        }

        .mat-card:hover .mat-card-img {
            transform: scale(1.05);
        }

        /* Swatch (gradiente) quando não há imagem */
        .mat-card-swatch {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            transition: transform 0.9s var(--ease);
        }

        .mat-card:hover .mat-card-swatch {
            transform: scale(1.05);
        }

        /* Overlay degradê para legibilidade do texto */
        .mat-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top,
                    rgba(0, 0, 0, 0.82) 0%,
                    rgba(0, 0, 0, 0.28) 50%,
                    rgba(0, 0, 0, 0.0) 100%);
            pointer-events: none;
        }

        /* Conteúdo textual sobre a imagem */
        .mat-card-content {
            position: relative;
            z-index: 2;
            padding: 32px 36px;
            color: #fff;
        }

        .mat-card-index {
            font-family: var(--font-titulo);
            font-weight: 700;
            font-size: 9px;
            letter-spacing: 3px;
            color: rgba(255, 255, 255, 0.35);
            display: block;
            margin-bottom: 12px;
        }

        .mat-card-name {
            font-family: var(--font-titulo);
            font-weight: 600;
            font-size: clamp(20px, 2.2vw, 28px);
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .mat-card-name em {
            font-weight: 300;
            font-style: italic;
            color: rgba(255, 255, 255, 0.55);
            display: block;
            font-size: 0.8em;
        }

        .mat-card-divider {
            width: 28px;
            height: 1px;
            background: rgba(255, 255, 255, 0.25);
            margin: 16px 0;
            transition: width 0.4s var(--ease);
        }

        .mat-card:hover .mat-card-divider {
            width: 48px;
        }

        /* ─── PAINEL DE DESCRIÇÕES ABAIXO DO GRID ─────────────────────── */
        .desc-panel {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2px;
            margin-top: 2px;
        }

        .desc-panel-item {
            padding: 28px 32px;
            background: var(--off);
        }

        .desc-panel-text {
            font-family: var(--font-corpo);
            font-size: 14px;
            color: var(--cinza);
            line-height: 1.85;
        }

        /* Tag de zona (indoor/outdoor/estrutura) */
        .mat-zone-tag {
            position: absolute;
            top: 24px;
            right: 24px;
            z-index: 3;
            font-family: var(--font-corpo);
            font-size: 8px;
            letter-spacing: 2.5px;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 10px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        /* Todos os cards têm a mesma altura base */
        .mat-card--featured .mat-card-inner,
        .mat-card--compact .mat-card-inner {
            min-height: 460px;
        }

        /* =====================================================================
           FAIXA SEPARADORA EDITORIAL
        =====================================================================  */
        .editorial-strip {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0 0 56px;
            padding: 28px 0;
            border-top: 1px solid var(--borda);
            border-bottom: 1px solid var(--borda);
        }

        .editorial-strip-num {
            font-family: var(--font-titulo);
            font-weight: 700;
            font-size: 56px;
            color: var(--creme);
            letter-spacing: -3px;
            line-height: 1;
            flex-shrink: 0;
        }

        .editorial-strip-text {
            flex: 1;
        }

        .editorial-strip-tag {
            font-family: var(--font-corpo);
            font-size: 9px;
            letter-spacing: 4px;
            text-transform: uppercase;
            color: var(--cinza);
            display: block;
            margin-bottom: 8px;
        }

        .editorial-strip-title {
            font-family: var(--font-titulo);
            font-weight: 600;
            font-size: clamp(22px, 2.5vw, 32px);
            color: var(--verde-medio);
            letter-spacing: -0.8px;
            line-height: 1.1;
        }

        .editorial-strip-title em {
            font-weight: 300;
            font-style: italic;
            color: var(--cinza);
        }

        /* =====================================================================
           LINHA HORIZONTAL COM TEXTO (separador entre categorias)
        ===================================================================== */
        .cat-divider {
            display: flex;
            align-items: center;
            gap: 20px;
            margin: 80px 0;
        }

        .cat-divider-line {
            flex: 1;
            height: 1px;
            background: var(--borda);
        }

        .cat-divider-label {
            font-family: var(--font-corpo);
            font-size: 8px;
            letter-spacing: 4px;
            text-transform: uppercase;
            color: var(--bege);
        }

        /* =====================================================================
           SCROLL REVEAL
        ===================================================================== */
        .reveal {
            opacity: 0;
            transform: translateY(28px);
            transition: opacity 0.85s ease, transform 0.85s var(--ease);
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .reveal-fade {
            opacity: 0;
            transition: opacity 0.9s ease;
        }

        .reveal-fade.visible {
            opacity: 1;
        }

        .d1 {
            transition-delay: 0.06s;
        }

        .d2 {
            transition-delay: 0.13s;
        }

        .d3 {
            transition-delay: 0.20s;
        }

        .d4 {
            transition-delay: 0.27s;
        }

        /* =====================================================================
           RESPONSIVIDADE
        ===================================================================== */
        /* Grid de 2 colunas */
        .mat-grid--two {
            grid-template-columns: repeat(2, 1fr);
        }

        @media (max-width: 1100px) {
            .mat-wrap {
                padding: 100px 40px 120px;
            }

            .hero-statement {
                grid-template-columns: 1fr;
            }

            .hero-left {
                padding: 48px 0;
                border-right: none;
                border-bottom: 1px solid var(--borda);
            }

            .hero-right {
                padding: 48px 0;
            }

            .mat-grid--featured,
            .mat-grid--featured-right {
                grid-template-columns: 1fr 1fr;
            }

            .mat-card--featured {
                grid-column: 1 / -1;
            }

            .mat-card--featured .mat-card-inner {
                min-height: 420px;
            }
        }

        @media (max-width: 768px) {
            .mat-grid--two {
                display: block;
            }

            .mat-wrap {
                padding: 100px 24px 100px;
            }

            .smart-back span {
                display: none;
            }

            /* Hero: esconde tudo exceto eyebrow + h1 */
            .hero-statement {
                grid-template-columns: 1fr;
                border: none;
                margin-bottom: 56px;
            }

            .hero-left {
                padding: 0;
                border: none;
            }

            .hero-index,
            .hero-right {
                display: none;
            }

            .hero-h1 {
                font-size: clamp(38px, 11vw, 52px);
                letter-spacing: -2.5px;
            }

            .hero-eyebrow {
                margin-bottom: 16px;
            }

            .mat-grid--three,
            .mat-grid--featured,
            .mat-grid--featured-right {
                display: block;
            }

            .mat-card {
                display: flex;
                flex-direction: column;
                margin-bottom: 2px;
            }

            .mat-card:last-child {
                margin-bottom: 0;
            }

            .mat-card-inner,
            .mat-card--featured .mat-card-inner,
            .mat-card--compact .mat-card-inner {
                min-height: 300px;
            }

            .editorial-strip {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .editorial-strip-num {
                font-size: 40px;
            }

            .desc-panel {
                display: none;
            }

            /* Mobile: mostra descrição acoplada ao card */
            .mat-card-mobile-desc {
                display: block;
                padding: 20px 24px;
                background: var(--off);
                font-family: var(--font-corpo);
                font-size: 14px;
                color: var(--cinza);
                line-height: 1.85;
            }
        }