* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #23397f;
    --secondary-color: #31c7ed;
    --white: #FFFFFF;
    --text-dark: #1a1a1a;
    --text-light: #666;
    --shadow: 0 4px 20px rgba(35, 57, 127, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    padding: 20px;
    max-width: 100%;
}

/* Slider do Cabeçalho */
.slider-container {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.slider {
    position: relative;
    width: 100%;
    height: 100vh;
    max-height: 600px;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
}

.slide-content {
    position: absolute;
    bottom: 100px;
    left: 0;
    right: 0;
    text-align: center;
    padding: 30px 20px;
    color: var(--white);
    z-index: 10;
}

.slide-content h1 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 25px;
    text-shadow: 3px 3px 12px rgba(0,0,0,0.9);
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: #25D366;
    color: var(--white);
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 17px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn:hover {
    background-color: #20BA5A;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 35px rgba(37, 211, 102, 0.7);
}

.slider-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.4s ease;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.dot.active {
    background-color: var(--white);
    width: 35px;
    border-radius: 8px;
    border-color: var(--white);
}

/* Seção: Entre em Contato */
.contact-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(49, 199, 237, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.contact-section .container {
    position: relative;
    z-index: 1;
}

.contact-section h2 {
    font-size: 36px;
    margin-bottom: 12px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.contact-section p {
    font-size: 19px;
    margin-bottom: 35px;
    opacity: 0.95;
    font-weight: 400;
}

.whatsapp-btn-large {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background-color: #25D366;
    color: var(--white);
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 19px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}

.whatsapp-btn-large:hover {
    background-color: #20BA5A;
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

/* Seção: Praticidade do Atendimento */
.praticidade-section {
    padding: 60px 20px;
    background-color: var(--white);
}

.praticidade-section h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.5px;
}

.praticidade-section p {
    font-size: 17px;
    color: var(--text-light);
    margin-bottom: 18px;
    text-align: justify;
    line-height: 1.9;
}

.section-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 20px;
    margin: 0 auto 35px;
    display: block;
    box-shadow: var(--shadow);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.section-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 35px rgba(35, 57, 127, 0.25);
}

/* Seção: Sobre Nós */
.sobre-section {
    padding: 60px 20px;
    background: linear-gradient(to bottom, #f8f9fa 0%, var(--white) 100%);
}

.sobre-section h2 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.5px;
}

.sobre-section p {
    font-size: 17px;
    color: var(--text-light);
    margin-bottom: 18px;
    text-align: justify;
    line-height: 1.9;
}

/* Seção: Depoimentos */
.depoimentos-section {
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.depoimentos-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.depoimentos-section .container {
    position: relative;
    z-index: 1;
}

.depoimentos-section h2 {
    font-size: 36px;
    margin-bottom: 12px;
    font-weight: 800;
    text-align: center;
    letter-spacing: -0.5px;
}

.depoimentos-section .subtitle {
    font-size: 17px;
    margin-bottom: 45px;
    opacity: 0.95;
    text-align: center;
    font-weight: 400;
}

.depoimentos-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.depoimento-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.depoimento-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0,0,0,0.25);
    border-color: var(--secondary-color);
}

.cliente-foto {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 4px solid var(--secondary-color);
    box-shadow: 0 4px 15px rgba(49, 199, 237, 0.3);
}

.stars {
    color: #ffc107;
    font-size: 22px;
    margin-bottom: 18px;
    letter-spacing: 3px;
}

.depoimento-texto {
    font-size: 16px;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 18px;
    line-height: 1.7;
}

.cliente-nome {
    font-size: 17px;
    color: var(--primary-color);
    font-weight: 700;
}

/* Footer */
.footer-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a2a5e 100%);
    color: var(--white);
    text-align: center;
    padding: 60px 20px 35px;
}

.footer-section h2 {
    font-size: 32px;
    margin-bottom: 18px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.footer-section p {
    font-size: 17px;
    margin-bottom: 30px;
    opacity: 0.95;
    line-height: 1.7;
}

.footer-copy {
    margin-top: 45px;
    font-size: 14px;
    opacity: 0.7;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 25px;
}

/* Responsividade para tablets e desktops */
@media (min-width: 768px) {
    .slide-content h1 {
        font-size: 42px;
    }
    
    .contact-section h2,
    .depoimentos-section h2 {
        font-size: 42px;
    }
    
    .praticidade-section h2,
    .sobre-section h2,
    .footer-section h2 {
        font-size: 38px;
    }
    
    .depoimentos-grid {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .depoimento-card {
        flex: 0 1 calc(33.333% - 20px);
        min-width: 280px;
    }
    
    .container {
        max-width: 1200px;
        margin: 0 auto;
    }
    
    .section-image {
        max-width: 600px;
    }
}

/* Animações suaves */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

section {
    animation: fadeIn 0.8s ease-out;
}