:root {
            --color-primary-dark: #0A3D62;    /* Azul escuro petróleo (Frio/Gelo) */
            --color-primary-blue: #1B6FB5;    /* Azul médio */
            --color-primary-light: #EBF4FC;   /* Azul muito claro para fundos */
            --color-accent-orange: #F7941E;   /* Laranja (Sol/Calor) */
            --color-accent-yellow: #FDC830;   /* Amarelo (Sol/Calor) */
            --color-text-dark: #1E293B;       /* Texto principal */
            --color-text-muted: #4A4A4A;      /* Texto secundário */
            --color-bg-light: #F8FAFC;        /* Fundo neutro claro */
            --color-white: #FFFFFF;
            
            --gradient-warmth: linear-gradient(135deg, #F7941E 0%, #FDC830 100%);
            --gradient-coolness: linear-gradient(135deg, #0A3D62 0%, #1B6FB5 100%);

            --font-heading: 'Montserrat', sans-serif;
            --font-body: 'Inter', sans-serif;

            --shadow-sm: 0 2px 8px rgba(10, 61, 98, 0.08);
            --shadow-md: 0 8px 24px rgba(10, 61, 98, 0.12);
            --shadow-lg: 0 16px 32px rgba(10, 61, 98, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-full: 9999px;

            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body { font-family: var(--font-body); color: var(--color-text-dark); background-color: var(--color-white); line-height: 1.6; overflow-x: hidden; }

        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; color: var(--color-primary-dark); }
        a { text-decoration: none; color: inherit; transition: var(--transition-fast); }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }

        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section-padding { padding: 80px 0; }
        .text-center { text-align: center; }
        .text-accent { color: var(--color-accent-orange); }

        .section-tag {
            display: inline-flex; align-items: center; gap: 8px;
            background-color: var(--color-primary-light); color: var(--color-primary-blue);
            font-size: 0.875rem; font-weight: 700; text-transform: uppercase;
            letter-spacing: 1px; padding: 6px 16px; border-radius: var(--radius-full); margin-bottom: 16px;
        }

        .section-title { font-size: 2.25rem; margin-bottom: 16px; }
        .section-subtitle { font-size: 1.125rem; color: var(--color-text-muted); max-width: 720px; margin: 0 auto 48px auto; }

        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 10px;
            padding: 14px 28px; font-family: var(--font-heading); font-size: 1rem; font-weight: 700;
            border-radius: var(--radius-md); cursor: pointer; border: none; transition: all var(--transition-fast);
            text-align: center;
        }

        .btn-cta-primary { background: var(--gradient-warmth); color: #1A1A1A; box-shadow: 0 4px 15px rgba(247, 148, 30, 0.4); }
        .btn-cta-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(247, 148, 30, 0.5); }
        .btn-secondary { background-color: var(--color-primary-dark); color: var(--color-white); box-shadow: var(--shadow-sm); }
        .btn-secondary:hover { background-color: var(--color-primary-blue); transform: translateY(-2px); }

        /* Site Header */
        .site-header {
            position: sticky; top: 0; left: 0; width: 100%; z-index: 1000;
            background-color: rgba(255, 255, 255, 0.96); backdrop-filter: blur(8px);
            padding: 16px 0; border-bottom: 1px solid rgba(10, 61, 98, 0.08);
            transition: all var(--transition-normal);
        }
        .site-header.scrolled { padding: 12px 0; box-shadow: 0 4px 20px rgba(10, 61, 98, 0.12); }
        .header-container { display: flex; align-items: center; justify-content: space-between; }

        .logo { display: flex; align-items: center; gap: 12px; font-family: var(--font-heading); font-weight: 900; font-size: 1.35rem; color: var(--color-primary-dark); text-transform: uppercase; }
        .logo-icon-box { width: 40px; height: 40px; background: var(--gradient-coolness); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--color-white); box-shadow: 0 4px 10px rgba(10, 61, 98, 0.2); }
        .logo-text span { color: var(--color-accent-orange); }
        .logo-subtext { display: block; font-size: 0.62rem; font-weight: 600; color: var(--color-text-muted); letter-spacing: 2px; margin-top: -4px; }
        .site-logo-img { height: 52px; width: auto; display: block; }
        .footer-logo-badge { display: inline-flex; background: #FFFFFF; padding: 8px 16px; border-radius: var(--radius-sm); margin-bottom: 16px; box-shadow: var(--shadow-sm); }
        .footer-logo-badge img { height: 40px; width: auto; display: block; }

        .nav-menu { display: flex; align-items: center; gap: 24px; }
        .nav-link { font-family: var(--font-heading); font-size: 0.9rem; font-weight: 600; color: var(--color-text-dark); padding: 4px 0; }
        .nav-link:hover, .nav-link.active { color: var(--color-primary-blue); }

        .mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; color: var(--color-primary-dark); }

        /* Hero Section */
        .hero { padding-top: 50px; padding-bottom: 70px; background: linear-gradient(180deg, #F0F6FB 0%, #FFFFFF 100%); position: relative; overflow: hidden; }
        .hero-bg-accent { position: absolute; top: -10%; right: -5%; width: 450px; height: 450px; background: radial-gradient(circle, rgba(253, 200, 48, 0.12) 0%, rgba(255, 255, 255, 0) 70%); pointer-events: none; }
        .hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center; }
        .hero-rating-badge { display: inline-flex; align-items: center; gap: 10px; background-color: var(--color-white); padding: 6px 16px; border-radius: var(--radius-full); box-shadow: var(--shadow-sm); margin-bottom: 20px; border: 1px solid rgba(10, 61, 98, 0.08); }
        .stars { color: #FFC107; display: flex; gap: 2px; }
        .rating-text { font-size: 0.85rem; font-weight: 700; color: var(--color-text-dark); }
        .hero-title { font-size: 2.5rem; font-weight: 800; color: var(--color-primary-dark); margin-bottom: 20px; line-height: 1.18; }
        .hero-subtitle { font-size: 1.1rem; color: var(--color-text-muted); margin-bottom: 32px; }
        .hero-cta-group { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 32px; }

        .hero-card-image { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--gradient-coolness); padding: 8px; }
        .hero-image-placeholder { width: 100%; min-height: 380px; background: #1B6FB5 url('https://images.unsplash.com/photo-1621905251189-08b45d6a269e?q=80&w=1000&auto=format&fit=crop') center/cover no-repeat; border-radius: calc(var(--radius-lg) - 4px); display: flex; flex-direction: column; justify-content: flex-end; padding: 24px; position: relative; }
        .hero-image-placeholder::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10, 61, 98, 0.1) 0%, rgba(10, 61, 98, 0.85) 100%); border-radius: calc(var(--radius-lg) - 4px); }
        .hero-card-badge { position: relative; z-index: 2; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(4px); padding: 16px; border-radius: var(--radius-md); color: var(--color-primary-dark); }

        /* Services Grid */
        .services-section { background-color: var(--color-bg-light); }
        .services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 28px; }
        .service-card { background: var(--color-white); border-radius: var(--radius-md); padding: 32px 28px; border: 1px solid rgba(10, 61, 98, 0.06); box-shadow: var(--shadow-sm); transition: all var(--transition-normal); display: flex; flex-direction: column; position: relative; }
        .service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
        .service-icon { width: 56px; height: 56px; background-color: var(--color-primary-light); color: var(--color-primary-blue); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.5rem; }
        .service-card:hover .service-icon { background: var(--gradient-warmth); color: #1A1A1A; }
        .service-title { font-size: 1.2rem; margin-bottom: 12px; }
        .service-description { color: var(--color-text-muted); font-size: 0.95rem; margin-bottom: 20px; flex-grow: 1; }
        .service-link { font-family: var(--font-heading); font-weight: 700; font-size: 0.88rem; color: var(--color-primary-blue); }

        /* Why Us */
        .why-us-section { background-color: var(--color-white); }
        .differentials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
        .diff-card { background-color: var(--color-bg-light); padding: 24px; border-radius: var(--radius-md); border-left: 4px solid var(--color-accent-orange); box-shadow: var(--shadow-sm); }
        .diff-title { font-size: 1.1rem; margin-bottom: 8px; }
        .diff-desc { font-size: 0.9rem; color: var(--color-text-muted); }

        /* Areas Served */
        .areas-section { background-color: var(--color-primary-dark); color: var(--color-white); position: relative; }
        .areas-section .section-title, .areas-section .section-subtitle { color: var(--color-white); }
        .areas-section .section-subtitle { color: rgba(255, 255, 255, 0.8); }

        .region-group-box { margin-bottom: 32px; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-md); padding: 24px; }
        .region-group-title { color: var(--color-accent-yellow); font-size: 1.15rem; margin-bottom: 16px; border-bottom: 1px dashed rgba(255, 255, 255, 0.2); padding-bottom: 8px; display: flex; align-items: center; gap: 8px; }

        .areas-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px; }
        .area-item { background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.12); padding: 12px 16px; border-radius: var(--radius-sm); text-align: center; font-weight: 600; font-size: 0.9rem; color: var(--color-white); transition: all var(--transition-fast); display: flex; align-items: center; justify-content: center; gap: 8px; }
        .area-item:hover { background: var(--gradient-warmth); color: #1A1A1A; transform: translateY(-3px); box-shadow: 0 6px 16px rgba(247, 148, 30, 0.3); }

        /* Reviews */
        .reviews-section { background-color: var(--color-white); }
        .reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
        .review-card { background-color: var(--color-bg-light); padding: 28px; border-radius: var(--radius-md); border: 1px solid rgba(10, 61, 98, 0.05); }
        .review-stars { color: #FFC107; margin-bottom: 12px; }
        .review-text { font-style: italic; margin-bottom: 20px; font-size: 0.95rem; }
        .review-author { display: flex; align-items: center; gap: 12px; }
        .avatar-placeholder { width: 42px; height: 42px; background-color: var(--color-primary-light); color: var(--color-primary-blue); font-weight: 700; border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; }

        /* CTA Banner */
        .cta-banner { background: var(--gradient-coolness); color: var(--color-white); border-radius: var(--radius-lg); padding: 60px 40px; text-align: center; box-shadow: var(--shadow-lg); }
        .cta-banner-title { color: var(--color-white); font-size: 2.2rem; margin-bottom: 16px; }
        .cta-banner-desc { font-size: 1.1rem; color: rgba(255, 255, 255, 0.9); margin-bottom: 32px; }

        /* Footer */
        .site-footer { background-color: #06263F; color: rgba(255, 255, 255, 0.8); padding-top: 60px; padding-bottom: 24px; font-size: 0.9rem; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
        .footer-heading { color: var(--color-white); font-size: 1.05rem; margin-bottom: 20px; position: relative; padding-bottom: 8px; }
        .footer-heading::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--color-accent-orange); }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a:hover { color: var(--color-accent-yellow); padding-left: 4px; }
        .footer-contact-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
        .footer-contact-item svg { color: var(--color-accent-orange); width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; }
        .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 0.8rem; }

        /* Floating WhatsApp */
        .whatsapp-widget { position: fixed; bottom: 24px; right: 24px; z-index: 999; display: flex; align-items: center; gap: 14px; }
        .whatsapp-float { position: relative; flex-shrink: 0; width: 60px; height: 60px; background-color: #25D366; color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4); animation: pulse-green 2s infinite; }
        .whatsapp-float:hover { transform: scale(1.06); }
        .whatsapp-badge { position: absolute; top: -3px; right: -3px; background: #FF3B30; color: #fff; font-size: 0.68rem; font-weight: 800; width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 2px solid #fff; animation: badge-blink 2.4s infinite; }
        @keyframes pulse-green { 0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); } 70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); } 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); } }
        @keyframes badge-blink { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.15); } }

        .whatsapp-tooltip { display: none; flex-direction: column; gap: 4px; background: #FFFFFF; color: var(--color-text-dark); padding: 14px 18px; border-radius: 14px; box-shadow: var(--shadow-md); max-width: 230px; position: relative; }
        .whatsapp-tooltip::after { content: ''; position: absolute; right: -8px; bottom: 22px; width: 0; height: 0; border-style: solid; border-width: 8px 0 8px 10px; border-color: transparent transparent transparent #FFFFFF; }
        .whatsapp-tooltip-status { display: flex; align-items: center; gap: 6px; font-size: 0.72rem; font-weight: 700; color: #25D366; text-transform: uppercase; letter-spacing: 0.5px; }
        .status-dot { width: 8px; height: 8px; border-radius: 50%; background: #25D366; box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6); animation: pulse-green 2s infinite; }
        .whatsapp-tooltip strong { font-family: var(--font-heading); font-size: 0.95rem; color: var(--color-primary-dark); }
        .whatsapp-tooltip-msg { font-size: 0.82rem; line-height: 1.4; color: var(--color-text-muted); }
        @media (min-width: 769px) { .whatsapp-tooltip { display: flex; } }

        @media (max-width: 992px) { .hero-grid { grid-template-columns: 1fr; } .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 768px) {
            .nav-menu { position: fixed; top: 70px; left: 0; width: 100%; background-color: var(--color-white); flex-direction: column; padding: 30px 20px; gap: 20px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); display: none; }
            .nav-menu.active { display: flex; }
            .mobile-toggle { display: block; }
            .header-cta-desktop { display: none; }
            .hero-title { font-size: 2rem; }
            .footer-grid { grid-template-columns: 1fr; }
        }

/* --- Utilitários adicionais (breadcrumb, faq, blog) --- */
.breadcrumb-container a:hover { text-decoration: underline; }

.faq-section { background-color: var(--color-bg-light); }
.faq-container { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--color-white); border-radius: var(--radius-md); margin-bottom: 16px; border: 1px solid rgba(10, 61, 98, 0.08); overflow: hidden; box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; padding: 20px 24px; text-align: left; background: none; border: none; font-family: var(--font-heading); font-size: 1.05rem; font-weight: 700; color: var(--color-primary-dark); display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.faq-answer { padding: 0 24px 20px 24px; color: var(--color-text-muted); font-size: 0.95rem; display: none; }
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-icon { transition: transform var(--transition-fast); }

.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; margin-top: 30px; }
.blog-card { background: var(--color-white); border-radius: var(--radius-md); overflow: hidden; border: 1px solid rgba(10, 61, 98, 0.08); box-shadow: var(--shadow-sm); transition: transform var(--transition-fast), box-shadow var(--transition-fast); display: flex; flex-direction: column; }
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.blog-card-img { width: 100%; height: 190px; background: var(--gradient-coolness); display: flex; align-items: center; justify-content: center; color: var(--color-white); font-size: 2.5rem; }
.blog-card-content { padding: 24px; flex-grow: 1; display: flex; flex-direction: column; }
.blog-card-tag { display: inline-block; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; color: var(--color-primary-blue); background: var(--color-primary-light); padding: 4px 12px; border-radius: var(--radius-full); margin-bottom: 12px; align-self: flex-start; }
.blog-card-title { font-size: 1.18rem; margin-bottom: 12px; color: var(--color-primary-dark); line-height: 1.35; }
.blog-card-excerpt { font-size: 0.92rem; color: var(--color-text-muted); margin-bottom: 20px; flex-grow: 1; }
.blog-card-meta { font-size: 0.8rem; color: #64748B; display: flex; justify-content: space-between; border-top: 1px solid rgba(10, 61, 98, 0.06); padding-top: 12px; }

.article-container { max-width: 820px; margin: 0 auto; padding: 40px 20px; }
.article-title { font-size: 2.3rem; color: var(--color-primary-dark); margin-bottom: 16px; line-height: 1.2; }
.article-meta-bar { display: flex; align-items: center; gap: 20px; font-size: 0.88rem; color: var(--color-text-muted); border-bottom: 1px solid rgba(10, 61, 98, 0.1); padding-bottom: 16px; margin-bottom: 28px; flex-wrap: wrap; }
.article-content { font-size: 1.05rem; line-height: 1.8; color: var(--color-text-dark); }
.article-content h2 { font-size: 1.6rem; color: var(--color-primary-dark); margin: 38px 0 16px 0; border-left: 4px solid var(--color-accent-orange); padding-left: 12px; }
.article-content h3 { font-size: 1.25rem; color: var(--color-primary-blue); margin: 26px 0 12px 0; }
.article-content p { margin-bottom: 20px; }
.article-content ul, .article-content ol { margin-bottom: 24px; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content strong { color: var(--color-primary-dark); }

.cta-inline-box { background: linear-gradient(135deg, #EBF4FC 0%, #E2F0FD 100%); border-left: 5px solid var(--color-primary-blue); border-radius: var(--radius-md); padding: 24px; margin: 36px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; box-shadow: var(--shadow-sm); }
.cta-inline-text { max-width: 520px; }
.cta-inline-text h4 { font-size: 1.15rem; color: var(--color-primary-dark); margin-bottom: 6px; }
.cta-inline-text p { font-size: 0.9rem; margin-bottom: 0; color: var(--color-text-muted); }