:root {
    --bg-color: #fcfcfc;
    --text-main: #111111;
    --text-secondary: #555555;
    --accent: #000000;
    --border-color: #dddddd;
    --error: #d93025;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
.brand-tag,
.product-price {
    font-family: 'Playfair Display', serif;
}

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

/* Navbar */
.navbar {
    position: relative;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 90px; /* Controlled thickness */
    z-index: 100;
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    height: 65px;
    transform: scale(1.5); /* Looks large but doesn't push the bar height */
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.6);
}

/* Hero Section */
.hero {
    position: relative;
    height: calc(100vh - 89px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #ffffff;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: 20px;
    z-index: 10;
    animation: fadeIn 2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 40px;
    letter-spacing: 1px;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: #ffffff;
    color: #000000;
    padding: 16px 40px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    border: 1px solid #ffffff;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: transparent;
    color: #ffffff;
}

.buy-btn {
    width: 100%;
    background-color: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    padding: 20px;
    font-size: 1.1rem;
    margin-top: 20px;
}

.buy-btn:hover {
    background-color: #ffffff;
    color: var(--accent);
    border-color: var(--accent);
}

/* Product Section */
.product-section {
    padding: 100px 0;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* Gallery */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.main-image-container {
    width: 100%;
    aspect-ratio: 4/5;
    overflow: hidden;
    background-color: #f5f5f5;
    position: relative;
}

.full-width-marquee {
    width: 100%;
    background-color: #000000;
    color: #ffffff;
    padding: 15px 0;
    overflow: hidden;
    white-space: nowrap;
    z-index: 10;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 2px;
}

.marquee-text {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 12s linear infinite;
}

@keyframes marquee {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(-100%, 0);
    }
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.thumbnail-gallery {
    display: flex;
    gap: 15px;
}

.thumbnail {
    width: 80px;
    height: 100px;
    object-fit: cover;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.thumbnail:hover,
.thumbnail.active {
    opacity: 1;
    border-color: var(--accent);
}

/* Product Details */
.product-details {
    padding-top: 20px;
}

.brand-tag {
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.product-title {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 20px;
    line-height: 1.2;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.product-specs {
    margin-bottom: 30px;
    padding: 15px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* Size Selector */
.size-selector {
    margin-bottom: 30px;
}

.size-selector h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.required {
    color: var(--error);
}

.sizes {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.sizes input[type="radio"] {
    display: none;
}

.size-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 400;
    background: #fff;
}

.sizes input[type="radio"]:checked+.size-btn {
    border-color: var(--accent);
    background-color: var(--accent);
    color: #ffffff;
}

.sizes input[type="radio"]:hover+.size-btn {
    border-color: var(--accent);
}

.error-message {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 10px;
    display: none;
}

.benefits {
    margin-top: 30px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 2;
}

/* Video Showcase Section */
.video-showcase {
    background-color: var(--accent);
    color: #ffffff;
    padding: 100px 0;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.showcase-text h2 {
    font-size: 3rem;
    margin-bottom: 30px;
    line-height: 1.1;
}

.showcase-text p {
    font-size: 1.1rem;
    color: #cccccc;
}

.showcase-video-container {
    width: 100%;
    aspect-ratio: 9/16;
    max-width: 450px;
    margin: 0 auto;
    overflow: hidden;
}

.showcase-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Footer */
.footer {
    padding: 60px 0 40px;
    text-align: center;
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
}

.footer-logo {
    height: 90px;
    margin-bottom: 30px;
    /* Resetting inversion since background is light */
    filter: none;
}

.footer p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Product Reviews */
.product-reviews {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.stars {
    color: #FFD700;
    font-size: 1.1rem;
}

.review-score {
    font-weight: 600;
}

.review-count {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Responsive constraints */
@media (max-width: 900px) {
    .product-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .showcase-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .showcase-text {
        margin-bottom: 40px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    .whatsapp-float svg {
        width: 25px;
        height: 25px;
    }
}