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

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f5f5f5;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #00072E 0%, #1a237e 100%);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

/* Logo - Flexível */
.logo {
    height: 50px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

/* Navigation Menu - Centro absoluto */
.nav-container {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu li a:hover {
    color: #ffd700;
    transform: translateY(-2px);
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #ffd700;
    transition: width 0.3s ease;
}

.nav-menu li a:hover::after {
    width: 100%;
}

/* WhatsApp Button - Direita */
.actions-container {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.whatsapp-btn {
    background: linear-gradient(45deg, #25d366, #128c7e);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 25px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    background: linear-gradient(45deg, #128c7e, #25d366);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.mobile-toggle:hover {
    background-color: rgba(255,255,255,0.1);
}

.hamburger {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #00072E 0%, #1a237e 100%);
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    text-align: center;
}

.mobile-menu.active {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mobile-menu ul {
    list-style: none;
    margin-bottom: 1rem;
}

.mobile-menu ul li {
    margin-bottom: 1rem;
}

.mobile-menu ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    margin: 0 auto;
    max-width: 200px;
}

.mobile-menu ul li a:hover {
    background-color: rgba(255,255,255,0.1);
    color: #ffd700;
    transform: translateY(-2px);
}

.mobile-menu .whatsapp-btn {
    display: block;
    width: auto;
    max-width: 200px;
    margin: 1rem auto 0;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .actions-container .whatsapp-btn {
        display: none;
    }

    .header-container {
        justify-content: space-between;
    }

    .logo-container {
        flex: none;
    }

    .actions-container {
        flex: none;
    }
}

/* Demo Content */
.demo-content {
    padding: 2rem;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.demo-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.demo-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.demo-btn {
    background: #25d366;
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.demo-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://dalpinoautomotiva.com/img/engesa-frente-copia.jpg') no-repeat center center;
    background-size: cover;
    color: white;
    text-align: center;
    padding: 4rem 2rem;
}

.hero-btn {
    /* Não tem display: none no mobile */
    background: linear-gradient(45deg, #25d366, #128c7e);
    padding: 1rem 2rem;
    border-radius: 30px;
    color: white;
    border: none;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    background: linear-gradient(45deg, #128c7e, #25d366);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Products Section */
.products {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #1a237e;
    margin-bottom: 3rem;
    font-weight: 600;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.product-image {
    width: 100%;
    height: 250px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 1.2rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid #e9ecef;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    padding: 10px;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.02);
    z-index: 2;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-image::before {
    opacity: 1;
}

.product-content {
    padding: 2rem;
    text-align: center;
}

.product-card h3 {
    color: #1a237e;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.product-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.product-btn {
    background: linear-gradient(135deg, #00072E 0%, #1a237e 100%);
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 25px;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.product-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(26, 35, 126, 0.3);
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, #00072E 0%, #1a237e 100%);
    color: white;
    padding: 4rem 2rem 2rem;
    margin-top: 4rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #ffd700;
}

.footer-section p,
.footer-section li {
    line-height: 1.6;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ffd700;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: bold;
}

.social-link:hover {
    background: #ffd700;
    color: #1a237e;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.8;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }

    .nav-menu,
    .whatsapp-btn {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .products {
        padding: 3rem 1rem;
    }

    .products h2 {
        font-size: 2rem;
    }

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

    .footer {
        padding: 3rem 1rem 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .social-links {
        justify-content: center;
    }
}

/* Hamburger Animation */
.mobile-toggle.active .hamburger:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active .hamburger:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}