/* Base Styles */
:root {
    --primary-color: #3f51b5;
    --secondary-color: #f5f5f5;
    --text-color: #333;
    --light-text-color: #fff;
    --link-hover-color: #1e88e5;
    --footer-bg: #212121;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

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

/* Navigation Bar */
header {
    background: #fff;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo img {
    height: 50px;
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 2rem;
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px 0;
    transition: 0.4s;
}

/* Hero Section */
#hero {
    height: 100vh;
    background: url('https://via.placeholder.com/1920x1080?text=High-Quality+Sweater+Background') no-repeat center center/cover;
    color: var(--light-text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.hero-content {
    z-index: 1;
}

#hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

#hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Generic Button Styles */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

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

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

/* Products Section */
#products {
    padding: 80px 0;
    text-align: center;
}

#products h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.product-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--secondary-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.product-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.product-card h3 {
    margin: 1rem 0 0.5rem;
}

.product-card p {
    padding: 0 1rem 1rem;
    font-size: 0.9rem;
    color: #666;
}

/* About Us Section */
#about {
    padding: 80px 0;
    background: var(--secondary-color);
}

#about h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 1rem;
}

.about-image {
    flex: 1;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Contact Section */
#contact {
    padding: 80px 0;
}

#contact h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.contact-form-container {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-form, .contact-info {
    width: 100%;
    max-width: 500px;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form button {
    width: 100%;
    border: none;
    cursor: pointer;
}

.contact-info {
    background: var(--secondary-color);
    padding: 30px;
    border-radius: 10px;
}

.contact-info h3 {
    margin-bottom: 1.5rem;
}

.contact-info p {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.contact-info i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Footer */
footer {
    background: var(--footer-bg);
    color: var(--light-text-color);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-logo img {
    height: 50px;
    filter: brightness(0) invert(1);
}

.footer-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

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

.footer-links a:hover {
    color: var(--primary-color);
}

.social-media a {
    color: var(--light-text-color);
    font-size: 1.5rem;
    margin-left: 15px;
    transition: color 0.3s ease;
}

.social-media a:hover {
    color: var(--primary-color);
}

.copyright {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #444;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #fff;
        position: absolute;
        top: 80px;
        left: 0;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        padding: 1rem 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 1rem 0;
        text-align: center;
    }

    .hamburger {
        display: block;
    }

    .about-content, .contact-form-container {
        flex-direction: column;
        align-items: center;
    }

    .about-text, .about-image {
        width: 100%;
        text-align: center;
    }

    .about-image img {
        margin-top: 20px;
    }
}