/* ════════════════════════════════════════════════════════════
           TOKENS DE DESIGN — ALTERE AQUI AS CORES E TIPOGRAFIA
           ════════════════════════════════════════════════════════════ */
        :root {
            /* Paleta — Industrial Metálico */
            --color-bg-primary:    #0B0D12;   /* Fundo escuro (aço profundo)      */
            --color-bg-secondary:  #11151C;   /* Seções alternadas                 */
            --color-bg-tertiary:   #191E27;   /* Superfícies elevadas              */
            --color-accent:        #E8730A;   /* Laranja industrial (CTA, destaques) */
            --color-accent-hover:  #F08020;   /* Hover do accent                  */
            --color-silver:        #8C9BAB;   /* Prata — texto secundário         */
            --color-text-primary:  #F0F2F5;   /* Texto principal (branco frio)    */
            --color-text-secondary:#A8B4C0;   /* Texto secundário                 */
            --color-border:        rgba(140, 155, 171, 0.15); /* Bordas sutis     */
            --color-border-accent: rgba(232, 115, 10, 0.30);  /* Bordas accent    */

            /* Tipografia */
            --font-display: 'Barlow Condensed', sans-serif;  /* Títulos / hero    */
            --font-body:    'Inter', sans-serif;             /* Corpo / interface  */

            /* Escala de tipo */
            --text-xs:   0.75rem;
            --text-sm:   0.875rem;
            --text-base: 1rem;
            --text-lg:   1.125rem;
            --text-xl:   1.25rem;
            --text-2xl:  1.5rem;
            --text-3xl:  2rem;
            --text-4xl:  2.75rem;
            --text-5xl:  3.75rem;
            --text-6xl:  5rem;

            /* Espaçamento e raio */
            --radius-sm:  4px;
            --radius-md:  8px;
            --radius-lg:  8px;
            --section-py: 6rem;
            --container:  1200px;

            /* Sombras */
            --shadow-card: 0 4px 24px rgba(0,0,0,0.35);
            --shadow-glow: 0 0 40px rgba(232,115,10,0.15);
        }

        /* ════════════════════════════════════════
           RESET E BASE
           ════════════════════════════════════════ */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            overflow-x: clip; /* clip não quebra position:fixed, mas elimina scroll horizontal */
        }

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary);
            line-height: 1.6;
            overflow-x: clip;
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; }

        /* ════════════════════════════════════════
           UTILITÁRIOS
           ════════════════════════════════════════ */
        .container {
            width: 100%;
            max-width: var(--container);
            margin-inline: auto;
            padding-inline: 1.5rem;
            box-sizing: border-box;
        }

        .section { padding-block: var(--section-py); }
        .section--alt { background-color: var(--color-bg-secondary); }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-family: var(--font-body);
            font-size: var(--text-xs);
            font-weight: 600;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 1rem;
        }
        .eyebrow::before {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: var(--text-4xl);
            font-weight: 700;
            line-height: 1.1;
            letter-spacing: -0.01em;
            color: var(--color-text-primary);
            margin-bottom: 1.25rem;
        }
        .section-title em {
            font-style: normal;
            color: var(--color-accent);
        }

        .section-sub {
            font-size: var(--text-lg);
            color: var(--color-text-secondary);
            max-width: 580px;
            line-height: 1.7;
        }

        /* Botões */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.875rem 1.75rem;
            border-radius: var(--radius-sm);
            font-family: var(--font-body);
            font-size: var(--text-sm);
            font-weight: 600;
            letter-spacing: 0.04em;
            cursor: pointer;
            transition: all 0.2s ease;
            border: none;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn--primary {
            background: var(--color-accent);
            color: #fff;
        }
        .btn--primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(232,115,10,0.35);
        }
        .btn--outline {
            background: transparent;
            color: var(--color-text-primary);
            border: 1px solid var(--color-border);
        }
        .btn--outline:hover {
            border-color: var(--color-silver);
            background: rgba(255,255,255,0.04);
        }
        .btn--ghost-accent {
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--color-border-accent);
        }
        .btn--ghost-accent:hover {
            background: rgba(232,115,10,0.08);
        }
        .btn svg { flex-shrink: 0; }

        /* ════════════════════════════════════════
           BARRA DE PROGRESSO SCROLL
           ════════════════════════════════════════ */
        #scroll-progress {
            position: fixed;
            top: 0; left: 0;
            height: 3px;
            width: 0%;
            background: linear-gradient(90deg, var(--color-accent), #FFB347);
            z-index: 1000;
            transition: width 0.1s linear;
        }

        /* ════════════════════════════════════════
           NAVEGAÇÃO
           ════════════════════════════════════════ */
        #navbar {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 900;
            padding-block: 1.25rem;
            transition: background 0.3s ease, padding 0.3s ease, backdrop-filter 0.3s;
        }
        #navbar.scrolled {
            background: rgba(18, 21, 31, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding-block: 0.85rem;
            border-bottom: 1px solid var(--color-border);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        /* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.45rem;
            text-decoration: none;
            flex-shrink: 0;
        }
.brand-symbol {
    width: 38px;
    height: 38px;
    object-fit: contain;
    display: block;
    flex: 0 0 auto;
}
.brand-wordmark {
    width: 154px;
    max-width: calc(100vw - 132px);
    height: 28px;
    object-fit: contain;
    object-position: left center;
    display: block;
    transform: translateY(2px);
}

        /* Links de navegação */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }
        .nav-links a {
            display: block;
            padding: 0.5rem 0.75rem;
            font-size: var(--text-sm);
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: color 0.2s, background 0.2s;
        }
        .nav-links a:hover {
            color: var(--color-text-primary);
            background: rgba(255,255,255,0.05);
        }

        /* CTA nav */
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        /* Menu mobile */
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 36px;
            height: 36px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }
        .nav-toggle span {
            display: block;
            height: 2px;
            background: var(--color-text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-toggle.open span:nth-child(2) { opacity: 0; }
        .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        .nav-mobile {
            display: none;
            flex-direction: column;
            gap: 0.25rem;
            padding: 1rem 1.5rem 1.5rem;
            border-top: 1px solid var(--color-border);
            background: rgba(18,21,31,0.97);
            width: 100%;
            box-sizing: border-box;
        }
        .nav-mobile.open { display: flex; }
.nav-mobile-brand {
    display: none;
}
.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
}
        .nav-mobile a {
            display: block;
            padding: 0.75rem 0;
            font-size: var(--text-base);
            font-weight: 500;
            color: var(--color-text-secondary);
            border-bottom: 1px solid var(--color-border);
            transition: color 0.2s;
        }
        .nav-mobile a:hover { color: var(--color-accent); }
        .nav-mobile .btn {
            margin-top: 1rem;
            width: 100%;
            display: inline-flex;
            justify-content: center;
            align-items: center;
            color: #fff;
            border-bottom: none;
        }

        /* ════════════════════════════════════════
           HERO
           ════════════════════════════════════════ */
        #hero {
            position: relative;
            min-height: 100dvh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 5rem;
        }

        /* Grade metálica de fundo */
        .hero-bg {
            position: absolute;
            inset: 0;
            background:
                linear-gradient(180deg, rgba(18,21,31,0.0) 0%, rgba(18,21,31,1) 100%),
                repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(140,155,171,0.06) 40px),
                repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(140,155,171,0.06) 40px);
            background-color: var(--color-bg-primary);
        }

        /* Glow accent no hero */
        .hero-glow {
            position: absolute;
            top: 20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(232,115,10,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        /* Canvas de partículas */
        #hero-canvas {
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: 0.4;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        /* Badge sobre o headline */
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 0.875rem;
            background: rgba(232,115,10,0.12);
            border: 1px solid var(--color-border-accent);
            border-radius: 100px;
            font-size: var(--text-xs);
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 1.75rem;
        }
        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.6); }
        }

        .hero-headline {
            font-family: var(--font-display);
            font-size: clamp(2.5rem, 6vw, var(--text-6xl));
            font-weight: 800;
            line-height: 1.0;
            letter-spacing: -0.02em;
            color: var(--color-text-primary);
            margin-bottom: 1.5rem;
        }
        .hero-headline em {
            font-style: normal;
            color: var(--color-accent);
            position: relative;
            display: inline-block;
        }
        /* Sublinhado metálico no destaque */
        .hero-headline em::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0; right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), transparent);
            border-radius: 2px;
        }

        .hero-sub {
            font-size: var(--text-lg);
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 600px;
            margin-bottom: 2.5rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.875rem;
            margin-bottom: 3.5rem;
        }

        /* Linha de trust / selos */
        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.5rem;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: var(--text-sm);
            color: var(--color-silver);
            font-weight: 500;
        }
        .trust-item svg { color: var(--color-accent); }

        /* Div de scroll hint */
        .scroll-hint {
            position: absolute;
            bottom: 2.5rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            font-size: var(--text-xs);
            color: var(--color-silver);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            opacity: 0.6;
            animation: bounce-scroll 2.5s ease-in-out infinite;
        }
        @keyframes bounce-scroll {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(6px); }
        }

        /* Divisor diagonal (assinatura visual) */
        .diagonal-cut {
            position: relative;
            margin-top: -4px;
        }
        .diagonal-cut::before {
            content: '';
            display: block;
            height: 80px;
            background: linear-gradient(
                135deg,
                var(--color-bg-primary) 49.5%,
                var(--color-bg-secondary) 50%
            );
        }

        /* ════════════════════════════════════════
           TICKER / FAIXA DE PRODUTOS
           ════════════════════════════════════════ */
        .ticker-wrap {
            background: var(--color-accent);
            padding-block: 0.75rem;
            overflow: hidden;
            white-space: nowrap;
        }
        .ticker-track {
            display: inline-flex;
            animation: ticker-scroll 30s linear infinite;
        }
        .ticker-track:hover { animation-play-state: paused; }
        .ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            padding-inline: 1.5rem;
            font-family: var(--font-display);
            font-size: var(--text-sm);
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: #fff;
        }
        .ticker-sep { opacity: 0.5; }
        @keyframes ticker-scroll {
            from { transform: translateX(0); }
            to   { transform: translateX(-50%); }
        }

        /* ════════════════════════════════════════
           ESTATÍSTICAS
           ════════════════════════════════════════ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1px;
            background: var(--color-border);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .stat-card {
            background: var(--color-bg-secondary);
            padding: 2rem 1.75rem;
            text-align: center;
            transition: background 0.2s;
        }
        .stat-card:hover { background: var(--color-bg-tertiary); }
        .stat-value {
            font-family: var(--font-display);
            font-size: var(--text-5xl);
            font-weight: 800;
            line-height: 1;
            color: var(--color-text-primary);
            margin-bottom: 0.35rem;
        }
        .stat-value .suffix { color: var(--color-accent); }
        .stat-label {
            font-size: var(--text-sm);
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ════════════════════════════════════════
           SOBRE
           ════════════════════════════════════════ */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 5rem;
            align-items: center;
        }
        .about-visual {
            position: relative;
        }
        /* Cartão visual simulando textura de aço */
.metal-card {
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
            border: 1px solid var(--color-border);
            overflow: hidden;
            position: relative;
            aspect-ratio: 4/3;
}
        .metal-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                repeating-linear-gradient(
                    -45deg,
                    rgba(140,155,171,0.04) 0px,
                    rgba(140,155,171,0.04) 1px,
                    transparent 1px,
                    transparent 8px
                );
        }
.metal-card-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 2rem;
}
.about-image {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
        /* SVG de tubo de aço no centro do card visual */
        .metal-card-label {
            font-family: var(--font-display);
            font-size: var(--text-sm);
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--color-silver);
            margin-top: 1rem;
        }
        /* Chip de destaque flutuante */
        .floating-chip {
            position: absolute;
            background: var(--color-bg-primary);
            border: 1px solid var(--color-border-accent);
            border-radius: var(--radius-md);
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: var(--shadow-card);
        }
        .chip-accent-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }
        .chip-text {
            font-size: var(--text-xs);
            font-weight: 600;
            color: var(--color-text-secondary);
            letter-spacing: 0.05em;
        }
        .chip--tl { top: -1rem; left: -1rem; }
        .chip--br { bottom: -1rem; right: -1rem; }

        .about-text .section-sub { max-width: 100%; margin-bottom: 1.75rem; }

        .about-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.5rem;
        }
        .tag {
            display: inline-block;
            padding: 0.35rem 0.75rem;
            background: var(--color-bg-tertiary);
            border: 1px solid var(--color-border);
            border-radius: 100px;
            font-size: var(--text-xs);
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ════════════════════════════════════════
           PRODUTOS
           ════════════════════════════════════════ */
        .products-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 1.5rem;
        }
        .products-grid article:nth-child(1),
        .products-grid article:nth-child(2) {
            grid-column: span 3;
        }
        .products-grid article:nth-child(3),
        .products-grid article:nth-child(4),
        .products-grid article:nth-child(5) {
            grid-column: span 2;
        }

        .product-card {
            background: var(--color-bg-tertiary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
            position: relative;
            overflow: hidden;
        }
        .product-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), transparent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }
        .product-card:hover {
            border-color: var(--color-border-accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .product-card:hover::before { transform: scaleX(1); }

        .product-icon {
            width: 48px;
            height: 48px;
            background: rgba(232,115,10,0.1);
            border: 1px solid var(--color-border-accent);
            border-radius: var(--radius-md);
            display: grid;
            place-items: center;
            margin-bottom: 1.25rem;
        }

        .product-title {
            font-family: var(--font-display);
            font-size: var(--text-2xl);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.75rem;
        }

        .product-desc {
            font-size: var(--text-sm);
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        .product-specs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
.product-action {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 1.5rem;
    padding: 0.6rem 0.85rem;
    color: #F5A14A;
    background: rgba(232,115,10,0.12);
    border: 1px solid var(--color-border-accent);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
}
.product-action:hover {
    color: #fff;
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-1px);
}
.product-action:focus-visible {
    outline: 2px solid #F5A14A;
    outline-offset: 3px;
}
        .spec-tag {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(232,115,10,0.08);
            padding: 0.25rem 0.6rem;
            border-radius: var(--radius-sm);
        }

        /* ════════════════════════════════════════
           CTA MID-PAGE (FAIXA)
           ════════════════════════════════════════ */
        .cta-strip {
            background: linear-gradient(135deg, var(--color-accent) 0%, #C45E00 100%);
            padding-block: 3.5rem;
            position: relative;
            overflow: hidden;
        }
        .cta-strip::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                repeating-linear-gradient(
                    -45deg,
                    rgba(255,255,255,0.03) 0, rgba(255,255,255,0.03) 1px,
                    transparent 1px, transparent 12px
                );
        }
        .cta-strip-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .cta-strip-text {
            font-family: var(--font-display);
            font-size: var(--text-3xl);
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
        }
        .cta-strip-sub {
            font-size: var(--text-base);
            color: rgba(255,255,255,0.8);
            margin-top: 0.5rem;
        }
        .btn--white {
            background: #fff;
            color: var(--color-accent);
        }
        .btn--white:hover {
            background: rgba(255,255,255,0.9);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }

        /* ════════════════════════════════════════
           DIFERENCIAIS
           ════════════════════════════════════════ */
        .diffs-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .diff-card {
            padding: 1.75rem;
            background: var(--color-bg-tertiary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            transition: border-color 0.2s, background 0.2s;
        }
        .diff-card:hover {
            border-color: var(--color-border-accent);
            background: #1F252F;
        }

        .diff-icon {
            font-size: 1.75rem;
            margin-bottom: 1rem;
        }

        .diff-title {
            font-family: var(--font-display);
            font-size: var(--text-xl);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 0.5rem;
        }

        .diff-desc {
            font-size: var(--text-sm);
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ════════════════════════════════════════
           DEPOIMENTOS
           ════════════════════════════════════════ */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .testimonial-card {
            background: var(--color-bg-tertiary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 1rem; right: 1.5rem;
            font-family: var(--font-display);
            font-size: 5rem;
            font-weight: 800;
            color: var(--color-accent);
            opacity: 0.15;
            line-height: 1;
        }

        .testimonial-text {
            font-size: var(--text-base);
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 1.25rem;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent), #C45E00);
            display: grid;
            place-items: center;
            font-family: var(--font-display);
            font-weight: 800;
            font-size: var(--text-base);
            color: #fff;
            flex-shrink: 0;
        }

        .author-name {
            font-size: var(--text-sm);
            font-weight: 600;
            color: var(--color-text-primary);
        }
        .author-company {
            font-size: var(--text-xs);
            color: var(--color-text-secondary);
        }

        /* Stars */
        .stars {
            display: flex;
            gap: 2px;
            margin-bottom: 1rem;
            color: #FFB347;
            font-size: var(--text-base);
        }

        /* ════════════════════════════════════════
           FAQ
           ════════════════════════════════════════ */
        .faq-list {
            max-width: 780px;
            margin: 3rem auto 0;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: border-color 0.2s;
        }
        .faq-item.open { border-color: var(--color-border-accent); }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            font-size: var(--text-base);
            font-weight: 600;
            color: var(--color-text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color 0.2s;
        }
        .faq-question:hover { color: var(--color-accent); }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            background: var(--color-bg-tertiary);
            border-radius: 50%;
            display: grid;
            place-items: center;
            transition: transform 0.3s, background 0.2s;
            font-size: 0.75rem;
            color: var(--color-silver);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-answer.open { max-height: 500px; }
        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem;
            font-size: var(--text-sm);
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* ════════════════════════════════════════
           CONTATO
           ════════════════════════════════════════ */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 4rem;
            align-items: start;
        }

        .contact-info-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .contact-info-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }
        .contact-info-icon {
            width: 40px;
            height: 40px;
            background: rgba(232,115,10,0.1);
            border: 1px solid var(--color-border-accent);
            border-radius: var(--radius-md);
            display: grid;
            place-items: center;
            flex-shrink: 0;
        }
        .contact-info-label {
            font-size: var(--text-xs);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 0.2rem;
        }
        .contact-info-value {
            font-size: var(--text-sm);
            color: var(--color-text-primary);
            font-weight: 500;
        }

        .contact-wa-btn {
            margin-top: 2rem;
            width: 100%;
            justify-content: center;
            padding: 1rem;
            background: #27BD78;
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: var(--text-base);
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        }
        .contact-wa-btn:hover {
            background: #36CF89;
             transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(54,207,137,0.38);
        }

        /* Formulário */
        .contact-form {
            background: var(--color-bg-secondary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 2rem;
        }
        .form-title {
            font-family: var(--font-display);
            font-size: var(--text-2xl);
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 1.5rem;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            margin-bottom: 1rem;
        }
        .form-group label {
            font-size: var(--text-xs);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-silver);
        }
        .form-group .required { color: var(--color-accent); margin-left: 2px; }

        .form-control {
            background: var(--color-bg-tertiary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 0.75rem 1rem;
            color: var(--color-text-primary);
            font-family: var(--font-body);
            font-size: 1rem; /* 16px para evitar zoom automático no iOS Safari */
            width: 100%;
            transition: border-color 0.2s, box-shadow 0.2s;
            outline: none;
            resize: vertical;
        }
        .form-control::placeholder { color: var(--color-text-secondary); opacity: 0.6; }
        .form-control:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(232,115,10,0.12);
        }
        select.form-control { cursor: pointer; }
        select.form-control option { background: var(--color-bg-tertiary); }

        .form-notice {
            font-size: var(--text-xs);
            color: var(--color-text-secondary);
            margin-top: 0.75rem;
            line-height: 1.6;
        }

        /* Feedback de formulário */
        .form-alert {
            padding: 0.875rem 1rem;
            border-radius: var(--radius-md);
            font-size: var(--text-sm);
            font-weight: 500;
            margin-bottom: 1rem;
        }
        .form-alert--success {
            background: rgba(34,197,94,0.1);
            border: 1px solid rgba(34,197,94,0.3);
            color: #86efac;
        }
        .form-alert--error {
            background: rgba(239,68,68,0.1);
            border: 1px solid rgba(239,68,68,0.3);
            color: #fca5a5;
        }

        /* ════════════════════════════════════════
           FOOTER
           ════════════════════════════════════════ */
footer {
            background: #0A0C13;
            border-top: 1px solid var(--color-border);
            padding-block: 4rem 2rem;
}
.footer-logo .brand-symbol { width: 42px; height: 42px; }
.footer-logo .brand-wordmark { width: 180px; height: 33px; }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand p {
            font-size: var(--text-sm);
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-top: 1rem;
            max-width: 280px;
        }

        .footer-col-title {
            font-family: var(--font-display);
            font-size: var(--text-sm);
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--color-text-secondary);
            margin-bottom: 1.25rem;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .footer-links a {
            font-size: var(--text-sm);
            color: var(--color-text-secondary);
            transition: color 0.2s;
        }
        .footer-links a:hover { color: var(--color-accent); }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            padding-top: 2rem;
            border-top: 1px solid var(--color-border);
            font-size: var(--text-xs);
            color: var(--color-silver);
        }

        /* ════════════════════════════════════════
           BOTÃO FLUTUANTE WHATSAPP
           ════════════════════════════════════════ */
.wa-float {
            position: fixed;
            bottom: 1.75rem;
            right: 1.5rem; /* Afastado da borda direita */
            z-index: 800;
            width: 56px;
            height: 56px;
            background: #27BD78;
            border-radius: 50%;
            display: grid;
            place-items: center;
            box-shadow: 0 4px 20px rgba(39,189,120,0.34);
            transition: transform 0.2s, box-shadow 0.2s;
            color: #fff;
        }
.wa-float:hover {
    background: #36CF89;
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(39,189,120,0.46);
        }
        .wa-float svg { width: 28px; height: 28px; }

        /* Anel pulsante */
        .wa-float::before {
            content: '';
            position: absolute;
            inset: -4px;
            border-radius: 50%;
    border: 2px solid rgba(39,189,120,0.35);
            animation: wa-pulse 2.5s ease-out infinite;
        }
        @keyframes wa-pulse {
            0% { transform: scale(1); opacity: 1; }
            100% { transform: scale(1.5); opacity: 0; }
        }

        /* ════════════════════════════════════════
           ANIMAÇÕES DE ENTRADA (scroll reveal)
           ════════════════════════════════════════ */
        .reveal {
            opacity: 0;
            transform: translateY(28px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
        .reveal-delay-4 { transition-delay: 0.4s; }

        /* ════════════════════════════════════════
           RESPONSIVIDADE
           ════════════════════════════════════════ */
        @media (max-width: 1054px) {
            /* Alterna para o menu mobile para evitar que os botões fiquem cortados */
            .nav-cta { display: none; }
            .nav-links { display: none; }
            .nav-toggle { display: flex; }
        }

        @media (max-width: 1024px) {
            :root { --section-py: 4.5rem; }
            .about-grid    { grid-template-columns: 1fr; gap: 3rem; }
            .about-visual  { order: -1; }
            .footer-top    { grid-template-columns: 1fr 1fr; gap: 2rem; }
            .diffs-grid    { grid-template-columns: repeat(2, 1fr); }
            .contact-grid  { grid-template-columns: 1fr; gap: 2.5rem; }
            .contact-form  { width: 100%; box-sizing: border-box; padding: 1.25rem; }
            .form-row      { grid-template-columns: 1fr; }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            /* Grid de produtos para tablet (2 colunas, com o 5º ocupando a linha inteira) */
            .products-grid { grid-template-columns: repeat(2, 1fr); }
            .products-grid article { grid-column: auto !important; }
            .products-grid article:nth-child(5) { grid-column: span 2 !important; }
        }

        @media (max-width: 768px) {
            :root { --section-py: 3.5rem; }

            .container { padding-inline: 1rem; }

            /* Garante que todos os filhos de grid não estourem */
            .contact-grid > *,
            .stats-grid > *,
            .diffs-grid > *,
            .products-grid > *,
            .testimonials-grid > *,
            .about-grid > *,
            .footer-top > *,
            .form-row > * { min-width: 0; box-sizing: border-box; }

            #hero {
                padding-bottom: 4.5rem;
                min-height: auto;
            }
            .scroll-hint {
                display: none;
            }

            .hero-headline { font-size: clamp(2rem, 8vw, 3rem); }

            /* Ajuste de seções e títulos */
            .section-title { font-size: var(--text-3xl); }

            /* Grid de Estatísticas sem cortes */
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .stat-card { padding: 1.25rem 1rem; }
            .stat-value { font-size: var(--text-3xl); }

            /* Cards menores e mais ajustados para mobile */
            .product-card { padding: 1.25rem; }
            .product-title { font-size: var(--text-xl); }
            
            .diff-card { padding: 1.25rem; }
            .diff-title { font-size: var(--text-lg); }

            .testimonial-card { padding: 1.25rem; }
            .testimonial-text { font-size: var(--text-sm); }

            .form-title { font-size: var(--text-xl); }

            /* Outros Grids */
            .products-grid         { 
                display: flex !important; 
                flex-direction: column !important; 
                gap: 1.5rem !important; 
            }
            .products-grid article { 
                grid-column: auto !important; 
                width: 100% !important; 
            }
            .products-header       { flex-direction: column; align-items: flex-start; gap: 1rem; }
            .testimonials-grid     { grid-template-columns: 1fr; }
            .diffs-grid            { grid-template-columns: repeat(2, 1fr); }
            .cta-strip-inner       { flex-direction: column; text-align: center; gap: 1.5rem; }
            .footer-top            { grid-template-columns: 1fr; gap: 2rem; }
            .footer-brand p        { max-width: 100%; }
        }

        @media (max-width: 588px) {
            .diffs-grid            { grid-template-columns: 1fr; }
        }

        @media (max-width: 480px) {
            /* Diminuir logo no celular */
            .brand-symbol { width: 30px; height: 30px; }
            .brand-wordmark { width: 110px; height: 20px; }

            .hero-actions { flex-direction: column; }
            .hero-actions .btn { width: 100%; justify-content: center; }

            /* Grid estatísticas em 1 coluna para telas muito pequenas */
            .stats-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 360px) {
            :root { --section-py: 2.5rem; }

            .container { padding-inline: 0.75rem; }

            /* Nav */
            .brand-symbol  { width: 28px; height: 28px; }
            .brand-wordmark { width: 100px; height: 18px; }
            .nav-mobile { padding: 0.75rem 1rem 1.25rem; }

            /* Hero */
            .hero-headline { font-size: clamp(1.6rem, 7vw, 2rem); }
            .hero-badge    { font-size: 0.65rem; }
            .hero-actions  { flex-direction: column; }
            .hero-actions .btn { width: 100%; justify-content: center; }

            /* Formulário de contato */
            .contact-form  { padding: 0.875rem; }
            .form-control  { padding: 0.6rem 0.75rem; }

            /* Cards */
            .stat-card  { padding: 1rem 0.75rem; }
            .diff-card  { padding: 1rem; }
            .product-card { padding: 1rem; }
            .testimonial-card { padding: 1rem; }

            /* Footer bottom quebra em coluna */
            .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

            /* Botão flutuante WA menor */
            .wa-float { width: 48px; height: 48px; right: 0.75rem; bottom: 0.75rem; }
            .wa-float svg { width: 22px; height: 22px; }

            /* Seção de títulos */
            .section-title { font-size: 1.6rem; }
        }

        @media (max-width: 340px) {
            /* Diminuir ainda mais botões para caber em telas muito pequenas */
            .btn {
                padding: 0.75rem 1rem;
                font-size: 0.8rem;
                gap: 0.35rem;
            }
            .btn svg { width: 16px; height: 16px; }
        }

        /* Preferência de movimento reduzido */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }