/* Reset & Basic Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 60px 0;
}

.text-center {
    text-align: center;
}

.bg-light {
    background-color: #eef2f5;
}

/* Navbar */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.navbar nav ul {
    display: flex;
}

.navbar nav ul li {
    margin-left: 20px;
}

.navbar nav ul li a {
    color: #555;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar nav ul li a:hover {
    color: #3498db;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: #fff;
    height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    padding: 10px 30px;
    background-color: #fff;
    color: #3498db;
    border-radius: 25px;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* About Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

/* Products Section */
.product-showcase {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
}

.product-info {
    flex: 1;
    min-width: 300px;
}

.product-info h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.product-info ul {
    margin-top: 20px;
}

.product-info ul li {
    margin-bottom: 10px;
}

/* Carousel */
.carousel-container {
    flex: 1;
    min-width: 300px;
    position: relative;
    max-width: 600px;
    margin: auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.carousel-slide {
    display: none;
}

.placeholder-img {
    width: 100%;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 1.2rem;
    font-weight: bold;
    text-align: center;
    padding: 20px;
}

.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    margin-top: -22px;
    padding: 16px;
    color: white;
    font-weight: bold;
    font-size: 18px;
    transition: 0.6s ease;
    border-radius: 0 3px 3px 0;
    user-select: none;
    background-color: rgba(0,0,0,0.3);
}

.next {
    right: 0;
    border-radius: 3px 0 0 3px;
}

.prev:hover, .next:hover {
    background-color: rgba(0,0,0,0.8);
}

.dots-container {
    text-align: center;
    padding: 10px;
    background: #fff;
}

.dot {
    cursor: pointer;
    height: 10px;
    width: 10px;
    margin: 0 2px;
    background-color: #bbb;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.6s ease;
}

.active, .dot:hover {
    background-color: #717171;
}

.fade {
    animation-name: fade;
    animation-duration: 1.5s;
}

@keyframes fade {
    from {opacity: .4}
    to {opacity: 1}
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .product-showcase {
        flex-direction: column;
    }
    
    .navbar .container {
        flex-direction: column;
        height: auto;
        padding: 10px;
    }
    
    .navbar nav ul {
        margin-top: 10px;
    }
}