:root {
    --primary-color: #2c3e50;
    --secondary-color: #25D366; /* WhatsApp green */
    --tertiary-color: #FEBC11;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
}

.navbar {
    background-color: var(--primary-color) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(44, 62, 80, 0.95) !important;
    padding: 10px 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
}

.nav-link {
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--secondary-color) !important;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    height: 80vh;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
}

.section-title {
    position: relative;
    margin-bottom: 40px;
    font-weight: 700;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

.generator-card {
    border: none;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    margin-bottom: 30px;
    transform: translateY(50px);
    opacity: 0;
}

.generator-card.animated {
    transform: translateY(0);
    opacity: 1;
}

.generator-card:hover {
    transform: translateY(-10px) !important;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.card-img-top {
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s;
    width: 100%;
}

.generator-card:hover .card-img-top {
    transform: scale(1.05);
}

.badge-custom {
    background-color: var(--secondary-color);
    font-size: 0.8rem;
}

.price {
    font-weight: 700;
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.features-section {
    background-color: var(--light-color);
    padding: 80px 0;
}

.feature-box {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    margin-bottom: 30px;
    transform: translateY(50px);
    opacity: 0;
}

.feature-box.animated {
    transform: translateY(0);
    opacity: 1;
}

.feature-box:hover {
    transform: translateY(-10px) !important;
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.contact-section {
    background-color: var(--dark-color);
    color: white;
    padding: 80px 0;
}

.contact-form .form-control {
    border-radius: 0;
    border: none;
    padding: 15px;
    margin-bottom: 20px;
}

.btn-custom {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 30px;
    transition: all 0.3s;
}

.btn-custom:hover {
    background-color: #128C7E;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    color: white;
}

.whatsapp-btn {
    background-color: var(--secondary-color);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.whatsapp-btn:hover {
    background-color: #128C7E;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.whatsapp-btn i {
    margin-right: 8px;
    font-size: 1.2rem;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 999;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

footer {
    background-color: var(--primary-color);
    color: white;
    padding: 30px 0;
    text-align: center;
}

.social-icons a {
    color: white;
    font-size: 1.5rem;
    margin: 0 10px;
    transition: color 0.3s;
}

.social-icons a:hover {
    color: var(--secondary-color);
}

/* Testimonial Slider */
.testimonial-slider {
    position: relative;
    padding: 20px 0;
}

.testimonial-slide {
    padding: 0 15px;
    transition: all 0.3s;
}

/* Product Details Modal */
.product-modal .modal-dialog {
    max-width: 900px;
}

.product-modal .modal-body {
    padding: 30px;
}

.product-gallery {
    margin-bottom: 20px;
}

.product-main-image {
    height: 400px;
    object-fit: contain;
    margin-bottom: 15px;
}

.product-thumbnails {
    display: flex;
    gap: 10px;
}

.product-thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.product-thumbnail:hover, .product-thumbnail.active {
    border-color: var(--secondary-color);
}

.product-specs {
    list-style-type: none;
    padding-left: 0;
}

.product-specs li {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.spec-label {
    font-weight: 600;
    color: var(--primary-color);
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 999;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}