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

:root {
    --primary-color: #4A90E2;
    --secondary-color: #7CB9E8;
    --light-blue: #E8F4F8;
    --dark-blue: #2C5F8D;
    --text-dark: #333333;
    --text-light: #666666;
    --white: #FFFFFF;
    --gradient: linear-gradient(135deg, #4A90E2 0%, #7CB9E8 100%);
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: var(--white);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

.tagline {
    color: var(--text-light);
    font-size: 12px;
    font-weight: 300;
}

nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--primary-color);
}

.btn-header {
    padding: 12px 30px;
    border-radius: 50px;
    font-size: 15px;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(74, 144, 226, 0.85), rgba(124, 185, 232, 0.85)), url('imagens/ambulancia-hero.jpg') center 65%/cover no-repeat;
    color: var(--white);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,101.3C1248,85,1344,75,1392,69.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    /* Este overlay garante legibilidade mesmo com imagem de fundo */
}

.hero-overlay {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
    text-align: center;
    margin: 0 auto;
}

.hero h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 16px;
}

.btn-primary {
    background-color: var(--white);
    color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--dark-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    color: var(--dark-blue);
    margin-bottom: 50px;
    font-weight: 700;
}

/* About Section */
.about-section {
    background-color: var(--light-blue);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(74, 144, 226, 0.2);
}

.service-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.service-card h3 {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 600;
}

.service-card p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

/* Differentials */
.differentials {
    background-color: var(--white);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-light);
    max-width: 800px;
    margin: -30px auto 50px;
    line-height: 1.8;
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
    margin-top: 40px;
}

.diff-item {
    background-color: var(--light-blue);
    border-radius: 12px;
    padding: 40px 30px;
    transition: all 0.3s ease;
}

.diff-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(74, 144, 226, 0.15);
}

.diff-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.diff-item h3 {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 600;
}

.diff-item p {
    color: var(--text-dark);
    font-size: 15px;
    line-height: 1.7;
}

/* Gallery */
.gallery {
    background-color: var(--light-blue);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.gallery-item {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.placeholder-image {
    width: 100%;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    font-weight: 600;
    text-align: center;
    padding: 20px;
}

.gallery-note {
    text-align: center;
    margin-top: 30px;
    color: var(--text-light);
    font-style: italic;
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(rgba(74, 144, 226, 0.9), rgba(124, 185, 232, 0.9)), url('imagens/ambulancia-cta.jpg') center/cover no-repeat;
    color: var(--white);
    text-align: center;
    position: relative;
}

.cta-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta {
    font-size: 18px;
    padding: 18px 50px;
    letter-spacing: 0.5px;
}

/* Footer */
footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 20px;
    color: var(--secondary-color);
}

.footer-section p {
    margin-bottom: 10px;
    font-size: 14px;
    opacity: 0.9;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.8;
}

.netto-link {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.netto-link:hover {
    opacity: 1;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    nav ul {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .hero h2 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .services-grid, .diff-grid, .gallery-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }

    .hero h2 {
        font-size: 26px;
    }

    .section-title {
        font-size: 24px;
    }

    section {
        padding: 50px 0;
    }

    .service-card {
        padding: 30px 20px;
    }
}

/* Animações */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card, .diff-item, .gallery-item {
    animation: fadeInUp 0.6s ease-out;
}