/* Reset e configurações globais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    overflow-x: hidden;
    font-weight: 400;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 177, 153, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 3rem 0 2rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    position: relative;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #D32F2F, #FFEB3B);
    border-radius: 2px;
}

.logo-container {
    text-align: center;
    position: relative;
}

.logo {
    max-height: 260px;
    max-width: 680px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.15));
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #ffffff 100%);
    color: #D32F2F;
    padding: 5rem 0 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 30% 70%, rgba(211, 47, 47, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(255, 235, 59, 0.05) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-20px, -20px) rotate(1deg); }
    66% { transform: translate(20px, -10px) rotate(-1deg); }
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #D32F2F 0%, #B71C1C 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 3rem;
    color: #5a6c7d;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, #25D366 0%, #1fa855 100%);
    color: #fff;
    text-decoration: none;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover {
    background: linear-gradient(135deg, #1fa855 0%, #25D366 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.4);
}

.cta-button:hover::before {
    left: 100%;
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
    animation: pulse 2s infinite;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Estilos para ícones SVG */
.service-icon svg {
    width: 48px;
    height: 48px;
    transition: transform 0.3s ease;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.service-item:hover .service-icon svg {
    transform: scale(1.1) rotate(5deg);
}

/* About Section */
.about {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 5rem 0 4rem 0;
    text-align: center;
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(211, 47, 47, 0.2), transparent);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #D32F2F;
    margin-bottom: 2rem;
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #D32F2F, #FFEB3B);
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(211, 47, 47, 0.3);
}

.section-title::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.05), rgba(255, 235, 59, 0.05));
    border-radius: 15px;
    z-index: -1;
}

.about-text {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    color: #5a6c7d;
    line-height: 1.8;
    font-weight: 400;
    background: rgba(255, 255, 255, 0.8);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Services Section */
.services {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
    padding: 5rem 0 4rem 0;
    position: relative;
    text-align: center;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(211, 47, 47, 0.2), transparent);
}

.services .section-title {
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #D32F2F, #FFEB3B);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 1);
}

.service-item:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #D32F2F, #FFEB3B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.service-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.service-description {
    color: #5a6c7d;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 5rem 0 4rem 0;
    position: relative;
    text-align: center;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(211, 47, 47, 0.2), transparent);
}

.contact .section-title {
    margin-bottom: 3rem;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #D32F2F, #FFEB3B);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 1);
}

.contact-item:hover::before {
    transform: scaleX(1);
}

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #D32F2F, #FFEB3B);
    color: #fff;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.3);
}

.contact-details {
    min-width: 0;
    flex: 1;
    text-align: center;
    width: 100%;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-details a {
    color: #D32F2F;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.contact-details a:hover {
    color: #B71C1C;
    text-shadow: 0 2px 4px rgba(211, 47, 47, 0.3);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #ecf0f1;
    text-align: center;
    padding: 2rem 0;
    font-size: 1rem;
    border-top: 3px solid #D32F2F;
    letter-spacing: 0.5px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-titulo {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

.footer-endereco {
    margin-bottom: 1rem;
}

.endereco-badge {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    margin-bottom: 0.5rem;
}

.footer-whatsapp-btn {
    display: inline-block;
    background: #25D366;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.footer-whatsapp-btn:hover {
    background: #1ea952;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-icon-footer {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    vertical-align: middle;
}

.footer-links {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-links a {
    margin: 0 1rem;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
}

.whatsapp-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #1fa855 100%);
    border-radius: 50%;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.whatsapp-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.whatsapp-button:hover {
    background: linear-gradient(135deg, #1fa855 0%, #25D366 100%);
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(37, 211, 102, 0.5);
}

.whatsapp-button:hover::before {
    opacity: 1;
}

.whatsapp-button .whatsapp-icon {
    font-size: 1.5rem;
    color: #fff;
    z-index: 1;
    position: relative;
}

/* Estilos para a página Sobre (Atualizados) */
.sobre-section {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin: 3rem auto;
    position: relative;
    overflow: hidden;
    border-left: 4px solid #D32F2F;
}

.sobre-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.05) 0%, transparent 70%);
    border-radius: 0 0 0 100%;
    z-index: 0;
}

.sobre-section h1 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: #D32F2F;
    position: relative;
}

.sobre-section h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 70px;
    height: 3px;
    background: linear-gradient(90deg, #D32F2F, rgba(211, 47, 47, 0.3));
    border-radius: 2px;
}

.sobre-section p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.sobre-section h2 {
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    color: #34495e;
}

.sobre-section ul {
    padding-left: 1rem;
    margin-bottom: 2rem;
}

.sobre-section ul li {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    line-height: 1.6;
}

.history-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 3rem;
    border-radius: 12px;
    margin: 3rem auto;
    text-align: center;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    border-top: 4px solid #FFEB3B;
}

.history-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><circle cx="3" cy="3" r="1.5" fill="%23f0f0f0"/></svg>');
    opacity: 0.5;
    pointer-events: none;
}

.history-section h2 {
    margin-bottom: 1.5rem;
    color: #D32F2F;
    font-size: 2rem;
    position: relative;
    display: inline-block;
}

.history-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #FFEB3B, rgba(255, 235, 59, 0.3));
    border-radius: 2px;
}

.history-section p {
    font-size: 1.15rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.about-why {
    padding: 3rem;
    margin: 3rem auto 4rem;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    border-right: 4px solid #2196F3;
}

.about-why h2 {
    margin-bottom: 1.5rem;
    color: #2196F3;
    font-size: 2rem;
    position: relative;
}

.about-why h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 70px;
    height: 3px;
    background: linear-gradient(90deg, #2196F3, rgba(33, 150, 243, 0.3));
    border-radius: 2px;
}

.service-list {
    list-style: none;
    padding-left: 0;
    margin: 2rem 0;
}

.service-list li {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 26px;
    height: 26px;
    background: #e3f2fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2196F3;
    font-weight: bold;
}

/* Estilo para o footer na página sobre */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #ffffff;
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    border-top: 5px solid #D32F2F;
}

footer p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

footer a {
    color: #FFEB3B;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #FFC107;
    text-decoration: underline;
}

/* Estilos para os cards de serviço */
.servico-card {
    display: flex;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    border-left: 3px solid #D32F2F;
}

.servico-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.servico-icon {
    font-size: 2rem;
    margin-right: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(211, 47, 47, 0.1);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    flex-shrink: 0;
}

.servico-info {
    flex-grow: 1;
}

.servico-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.servico-info p {
    font-size: 0.95rem;
    margin: 0;
    color: #5a6c7d;
}

/* Estilos responsivos para dispositivos móveis */
@media (max-width: 768px) {
    .sobre-section,
    .history-section,
    .about-why {
        padding: 2rem 1.5rem;
    }

    .hero-title {
        font-size: 2.5rem !important;
    }

    .hero-subtitle {
        font-size: 1.2rem !important;
    }

    .servico-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .servico-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-text {
        font-size: 1.1rem;
        padding: 1.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service-item {
        padding: 2rem 1.5rem;
    }

    .contact-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 1.2rem;
        padding: 1.5rem;
        min-width: 0;
    }

    .logo {
        max-height: 220px;
        max-width: 560px;
    }

    .header {
        padding: 2rem 0 1.5rem 0;
    }

    .hero {
        padding: 4rem 0 3rem 0;
    }

    .about, .services, .contact {
        padding: 4rem 0 3rem 0;
    }

    .cta-button {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .cta-button {
        padding: 1rem 1.8rem;
        font-size: 1rem;
    }

    .service-item {
        padding: 1.8rem 1.2rem;
    }

    .service-icon {
        font-size: 2.5rem;
    }

    .about-text {
        padding: 1.2rem;
        font-size: 1rem;
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1.5rem;
        min-width: 0;
    }

    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-button {
        width: 55px;
        height: 55px;
    }

    .whatsapp-button .whatsapp-icon {
        font-size: 1.4rem;
    }

    .logo {
        max-height: 140px;
        max-width: 420px;
    }

    .header {
        padding: 1.5rem 0 1rem 0;
    }

    .hero {
        padding: 3rem 0 2.5rem 0;
    }

    .about, .services, .contact {
        padding: 3rem 0 2.5rem 0;
    }
}

/* Estilos para botão "Voltar ao Topo" */
.voltar-topo-container {
    text-align: center;
    padding: 2rem 0;
}

.voltar-topo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #D32F2F;
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.25);
    transition: all 0.3s ease;
}

.voltar-topo-btn:hover {
    background-color: #B71C1C;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(211, 47, 47, 0.35);
}

.voltar-topo-btn svg {
    margin-right: 8px;
}

/* Botão fixo flutuante para voltar ao topo (aparece ao rolar) */
.voltar-topo-fixo {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #D32F2F;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
}

.voltar-topo-fixo.visivel {
    opacity: 1;
    visibility: visible;
}

.voltar-topo-fixo:hover {
    background: #B71C1C;
    transform: translateY(-5px);
}

/* Estilos para os botões de navegação */
.botoes-navegacao {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem 0;
    margin: 0 auto;
    max-width: 800px;
}

.voltar-inicio-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #2196F3;
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.25);
    transition: all 0.3s ease;
}

.voltar-inicio-btn:hover {
    background-color: #1976D2;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.35);
}

.voltar-inicio-btn svg {
    margin-right: 8px;
}