:root {
    --primary-color: #d4af37; /* Gold */
    --secondary-color: #1a1a1a; /* Dark almost black */
    --accent-color: #f9f9f9;
    --text-light: #ffffff;
    --text-dark: #333333;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', 'Tiro Bangla', sans-serif;
    background-color: var(--accent-color);
    color: var(--text-dark);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3 {
    font-family: 'Tiro Bangla', serif;
    color: var(--secondary-color);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: var(--secondary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.logo {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-btn {
    padding: 0.6rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-btn:hover {
    background-color: #b8962e;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 5%;
    background: linear-gradient(135deg, #111 0%, #222 100%);
    color: var(--text-light);
    min-height: 80vh;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.2;
}

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

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.cta-button i {
    margin-left: 8px;
}

.hero-media {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.product-video {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border: 2px solid var(--primary-color);
}

/* Features */
.features {
    padding: 5rem 5%;
    background-color: #fff;
    text-align: center;
}

.section-title {
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
}

.divider {
    height: 3px;
    width: 60px;
    background-color: var(--primary-color);
    margin: 1rem auto;
}

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

.feature-card {
    padding: 2.5rem;
    background: #fafafa;
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid #eee;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Gallery */
.gallery {
    padding: 2rem 5%;
    background-color: var(--secondary-color);
}

.gallery-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.gallery-img {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid transparent;
    transition: var(--transition);
}

.gallery-img:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    z-index: 1;
}

/* Details Section */
.product-details {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5rem 5%;
    background-color: #fff;
}

.details-content {
    flex: 1;
    padding-right: 3rem;
}

.details-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.details-list {
    list-style: none;
}

.details-list li {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.details-list i {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 1.2rem;
}

.details-image {
    flex: 1;
}

.details-image img {
    width: 100%;
    max-width: 500px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Order Section */
.order-section {
    padding: 5rem 5%;
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
}

.order-container {
    max-width: 1000px;
    margin: 0 auto;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    display: flex;
    overflow: hidden;
}

.order-info {
    flex: 1;
    padding: 4rem 3rem;
    background-color: var(--secondary-color);
    color: var(--text-light);
}

.order-info h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.price-box {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.old-price {
    font-size: 1.5rem;
    text-decoration: line-through;
    opacity: 0.7;
}

.new-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.order-form {
    flex: 1;
    padding: 4rem 3rem;
}

.order-form h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

.form-group textarea {
    resize: vertical;
    height: 100px;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background-color: #b8962e;
}

/* Radio Groups */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 0.5rem;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    font-weight: normal;
    transition: var(--transition);
}

.radio-group label:hover {
    border-color: var(--primary-color);
    background-color: #fafafa;
}

.radio-group input[type="radio"] {
    width: auto;
    accent-color: var(--primary-color);
    transform: scale(1.2);
}

/* Order Summary */
.order-summary {
    background-color: #f9f9f9;
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px dashed #ccc;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.summary-line.total {
    border-top: 2px solid #ddd;
    padding-top: 0.5rem;
    margin-top: 0.5rem;
    margin-bottom: 0;
    font-weight: bold;
    font-size: 1.3rem;
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: #111;
    color: #fff;
    text-align: center;
    padding: 3rem 5%;
}

.footer-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.social-links {
    margin: 1.5rem 0;
}

.social-links a {
    color: #fff;
    font-size: 1.5rem;
    margin: 0 10px;
    transition: var(--transition);
}

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

.copyright {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 3rem;
    }
    
    .hero-content {
        margin-bottom: 3rem;
    }
    
    .product-details {
        flex-direction: column;
    }
    
    .details-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }
    
    .order-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .gallery-img {
        width: 100%;
        height: auto;
    }
    
    .order-info, .order-form {
        padding: 2rem;
    }
}