/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --primary-navy: #1a2332;
    --secondary-beige: #e8dcc4;
    --accent-gold: #c9a961;
    --text-dark: #2c2c2c;
    --text-light: #f5f5f5;
    --text-muted: #6b6b6b;
    --border-color: #d4c5ad;
    --hover-overlay: rgba(26, 35, 50, 0.05);
    
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--secondary-beige);
    line-height: 1.6;
    overflow-x: hidden;
}

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

img {
    max-width: 100%;
    display: block;
}

/* ===================================
   Navigation
   =================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(232, 220, 196, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    animation: navSlideDown 0.6s ease-out;
}

@keyframes navSlideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: transform var(--transition);
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 3rem;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    font-weight: 400;
}

.nav-links a {
    position: relative;
    transition: color var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-navy);
    transition: width var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    overflow: hidden;
}

/* Video Background */
.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 0;
    object-fit: cover;
}

/* Semi-transparent overlay */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.3);
    z-index: 1;
}

/* Logo Overlay */
.hero-logo-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    background: rgba(255, 255, 255, 0.85);
    padding: 3rem 4rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    opacity: 0;
    animation: fadeIn 1s ease-out 0.3s forwards;
}

.hero-logo-img {
    height: 120px;
    width: auto;
    display: block;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 1400px;
    width: 100%;
    text-align: center;
    margin-top: 200px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 300;
    color: var(--primary-navy);
    line-height: 1;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 1s ease-out forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--primary-navy);
    margin-bottom: 3rem;
    letter-spacing: 1px;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.6s forwards;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.5);
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: var(--primary-navy);
    color: var(--text-light);
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.8s forwards;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gold);
    transition: left var(--transition);
    z-index: -1;
}

.cta-button:hover::before {
    left: 0;
}

.cta-button:hover {
    color: var(--primary-navy);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--secondary-beige);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeIn 1s ease-out 1s forwards;
    z-index: 3;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: var(--secondary-beige);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: var(--primary-navy);
    animation: scrollLineMove 2s ease-in-out infinite;
}

@keyframes scrollLineMove {
    0%, 100% {
        transform: translateY(-30px);
    }
    50% {
        transform: translateY(60px);
    }
}

/* ===================================
   Collection Section
   =================================== */
.collection {
    padding: 8rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 400;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.product-card {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
    position: relative;
}

.product-card:hover {
    z-index: 20;
}

.product-card[data-product="1"] {
    animation-delay: 0.1s;
}

.product-card[data-product="2"] {
    animation-delay: 0.2s;
}

.product-card[data-product="3"] {
    animation-delay: 0.3s;
}

.product-link {
    display: block;
    transition: transform var(--transition);
}

.product-image-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
    overflow: hidden;
    background: #f8f5f0;
    border: 1px solid var(--border-color);
    transition: overflow 0.3s;
}

.product-card:hover .product-image-wrapper {
    overflow: visible;
    z-index: 10;
}

.product-image {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.shoe-rotate {
    width: 100%;
    height: 100%;
    cursor: grab;
    user-select: none;
    transition: transform 1.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.shoe-rotate:active {
    cursor: grabbing;
}

.shoe-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 1s cubic-bezier(0.68, -0.8, 0.265, 1.8);
}

.product-card:hover .shoe-img {
    transform: scale(2.2) rotate(1080deg);
    filter: brightness(1.3) contrast(1.1);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-navy);
    color: var(--text-light);
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

.product-name {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
}

.product-category {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    letter-spacing: 0.5px;
}

.product-price {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-dark);
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: 8rem 2rem;
    background: var(--primary-navy);
    color: var(--text-light);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    margin-bottom: 2rem;
    color: var(--secondary-beige);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 2rem;
    border: 1px solid rgba(232, 220, 196, 0.3);
    transition: all var(--transition);
}

.stat:hover {
    border-color: var(--accent-gold);
    transform: translateX(10px);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 400;
    color: var(--accent-gold);
}

.stat-label {
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.8;
}

/* ===================================
   Product Detail Page
   =================================== */
.product-detail {
    padding: 10rem 2rem 6rem;
    max-width: 1400px;
    margin: 0 auto;
}

.product-detail-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
}

.product-detail-images {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.product-main-image {
    background: #f8f5f0;
    border: 1px solid var(--border-color);
    padding: 3rem;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.shoe-rotate-large {
    width: 100%;
    height: 100%;
    cursor: grab;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shoe-rotate-large:active {
    cursor: grabbing;
}

.main-shoe-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 1.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.rotate-hint {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    opacity: 0.6;
}

.product-detail-info {
    animation: fadeInUp 0.8s ease-out;
}

.product-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.product-collection {
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.product-detail-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.product-detail-price {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.product-description {
    margin-bottom: 3rem;
}

.product-description p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.product-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.product-features li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.product-features li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent-gold);
}

/* Size Selection */
.size-selection {
    margin-bottom: 3rem;
}

.size-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.size-label {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.size-guide-link {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-decoration: underline;
    transition: color var(--transition);
}

.size-guide-link:hover {
    color: var(--primary-navy);
}

.size-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.75rem;
}

.size-option {
    padding: 1rem;
    border: 1px solid var(--border-color);
    background: transparent;
    font-size: 0.9rem;
    transition: all var(--transition);
    cursor: pointer;
}

.size-option:hover {
    border-color: var(--primary-navy);
    background: var(--hover-overlay);
}

.size-option.selected {
    background: var(--primary-navy);
    color: var(--text-light);
    border-color: var(--primary-navy);
}

.size-option:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Product Actions */
.product-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.add-to-cart-btn {
    flex: 1;
    padding: 1.25rem 2rem;
    background: var(--primary-navy);
    color: var(--text-light);
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.add-to-cart-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent-gold);
    transition: left var(--transition);
    z-index: -1;
}

.add-to-cart-btn:not(:disabled):hover::before {
    left: 0;
}

.add-to-cart-btn:not(:disabled):hover {
    color: var(--primary-navy);
}

.add-to-cart-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.wishlist-btn {
    width: 60px;
    height: 60px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.wishlist-btn:hover {
    border-color: var(--primary-navy);
    background: var(--hover-overlay);
}

/* Accordion */
.product-details-accordion {
    border-top: 1px solid var(--border-color);
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-header {
    width: 100%;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: color var(--transition);
}

.accordion-header:hover {
    color: var(--primary-navy);
}

.accordion-icon {
    transition: transform var(--transition);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
}

.accordion-item.active .accordion-content {
    max-height: 300px;
    padding-bottom: 1.5rem;
}

.accordion-content p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-muted);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--secondary-beige);
    max-width: 500px;
    width: 90%;
    animation: slideUp 0.4s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--primary-navy);
}

.modal-close {
    font-size: 2rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition);
}

.modal-close:hover {
    color: var(--primary-navy);
}

.modal-body {
    padding: 2rem;
}

.modal-product-info {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.modal-product-info p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.modal-actions {
    padding: 0 2rem 2rem;
    display: flex;
    gap: 1rem;
}

.modal-btn-secondary,
.modal-btn-primary {
    flex: 1;
    padding: 1rem 2rem;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all var(--transition);
}

.modal-btn-secondary {
    border: 1px solid var(--primary-navy);
    color: var(--primary-navy);
}

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

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

.modal-btn-primary:hover {
    background: var(--accent-gold);
    color: var(--primary-navy);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--primary-navy);
    color: var(--text-light);
    padding: 5rem 2rem 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto 4rem;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--secondary-beige);
    border-radius: 4px;
}

.footer-tagline {
    font-size: 0.95rem;
    opacity: 0.7;
    font-style: italic;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: var(--accent-gold);
}

.footer-column a {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    opacity: 0.7;
    transition: all var(--transition);
}

.footer-column a:hover {
    opacity: 1;
    transform: translateX(5px);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(232, 220, 196, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    opacity: 0.6;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a:hover {
    opacity: 1;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .product-detail-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .product-detail-images {
        position: relative;
        top: 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 1rem 1.5rem;
    }
    
    .nav-links {
        gap: 1.5rem;
        font-size: 0.85rem;
    }
    
    .logo-img {
        height: 32px;
    }
    
    .hero {
        padding: 6rem 1.5rem 3rem;
    }
    
    .hero-logo-overlay {
        padding: 2rem 2.5rem;
    }
    
    .hero-logo-img {
        height: 80px;
    }
    
    .hero-content {
        margin-top: 150px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .collection {
        padding: 5rem 1.5rem;
    }
    
    .section-header {
        margin-bottom: 3rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about {
        padding: 5rem 1.5rem;
    }
    
    .product-detail {
        padding: 8rem 1.5rem 4rem;
    }
    
    .size-options {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .product-actions {
        flex-direction: column;
    }
    
    .wishlist-btn {
        width: 100%;
    }
}