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

:root {
    --primary-color: #0a2540;
    --secondary-color: #00a8e8;
    --accent-color: #00d9ff;
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --text-gray: #666666;
    --bg-light: #f8f9fa;
    --bg-dark: #0a2540;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* Header */
.header {
    background: var(--bg-dark);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo img {
    height: 60px;
    width: auto;
}

.nav-desktop ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
}

.nav-desktop a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-desktop a:hover,
.nav-desktop a.active {
    color: var(--accent-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: all 0.3s ease;
}

.nav-mobile {
    display: none;
    background: var(--bg-dark);
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.nav-mobile.active {
    display: block;
}

.nav-mobile ul {
    list-style: none;
    padding: 1rem 0;
}

.nav-mobile li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-mobile a {
    display: block;
    padding: 1rem 2rem;
    color: var(--text-light);
    text-decoration: none;
    transition: background 0.3s ease;
}

.nav-mobile a:hover {
    background: rgba(0, 168, 232, 0.1);
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d5c 100%);
    color: var(--text-light);
    padding: 120px 0 100px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../imagens/veleiro2.jpg') center/cover;
    opacity: 0.15;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 37, 64, 0.9) 0%, rgba(0, 61, 92, 0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 168, 232, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

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

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

/* Features Section */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Compatible GPS Section */
.compatible-gps {
    background: white;
}

.gps-brands {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.brand-item {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    border: 3px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.brand-item:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

.brand-item h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.brand-item:hover h3 {
    color: var(--text-light);
}

/* Gallery Section */
.gallery {
    background: var(--bg-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d5c 100%);
    color: var(--text-light);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 3rem 0 1.5rem;
}

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

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.footer-section p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-color);
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-bottom p {
    margin-bottom: 0.3rem;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .gps-brands,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .logo img {
        height: 50px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

/* Botão COMPRE AQUI no menu */
.nav-desktop a.compre-destaque {
    color: #FFD700 !important;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.nav-desktop a.compre-destaque:hover {
    color: #FFA500 !important;
    transform: scale(1.05);
}

.nav-mobile a.compre-destaque {
    color: #FFD700 !important;
    font-weight: bold;
    text-transform: uppercase;
    padding: 1rem;
    text-align: center;
}

.nav-mobile a.compre-destaque:hover {
    color: #FFA500 !important;
}

/* Botão Amarelo */
.btn-yellow {
    background: linear-gradient(135deg, #FFD700, #FFA500) !important;
    color: #0a2540 !important;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.btn-yellow:hover {
    background: linear-gradient(135deg, #FFA500, #FFD700) !important;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
}