/* ========================================
   COSONE Website Styles
   Reference: Burton.com style
   ======================================== */

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #000000;
    --color-secondary: #1a1a1a;
    --color-accent: #ff6b00;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-gray: #f5f5f5;
    --color-border: #e0e0e0;
    
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Announcement Bar
   ======================================== */
.announcement-bar {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: 10px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    background-color: var(--color-primary);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    position: relative;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-menu.left {
    flex: 1;
}

.nav-menu.right {
    gap: 20px;
}

.nav-menu a {
    color: var(--color-white);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

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

.logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.logo-text {
    color: var(--color-white);
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 3px;
}

.icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.icon {
    font-size: 18px;
}

.cart {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 11px;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mega Menu */
.has-dropdown {
    position: relative;
}

.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    min-width: 600px;
    padding: 30px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.has-dropdown:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-content {
    display: flex;
    gap: 40px;
}

.menu-column h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.menu-column a {
    display: block;
    color: var(--color-text-light);
    font-size: 14px;
    padding: 8px 0;
    text-transform: none;
    letter-spacing: 0;
}

.menu-column a:hover {
    color: var(--color-accent);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
}

.hero-content {
    position: absolute;
    bottom: 20%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-white);
    z-index: 10;
}

.hero-title {
    font-size: clamp(36px, 8vw, 72px);
    font-weight: 900;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: clamp(16px, 2.5vw, 24px);
    font-weight: 300;
    letter-spacing: 8px;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-white);
    z-index: 10;
}

.hero-scroll span {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-white), transparent);
    margin: 0 auto;
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 40px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

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

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

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

.btn-link {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: 100px 0;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-align: center;
    margin-bottom: 60px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 60px;
}

.section-header .section-title {
    margin-bottom: 0;
    text-align: left;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--color-text-light);
    margin-top: -40px;
    margin-bottom: 60px;
}

/* ========================================
   Categories Grid
   ======================================== */
.categories {
    background-color: var(--color-gray);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 350px);
    gap: 20px;
}

.category-card {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    padding: 30px;
}

.category-card.large {
    grid-column: span 2;
    grid-row: span 2;
}

.category-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.6s ease;
}

.category-card:hover .category-image {
    transform: scale(1.05);
}

.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

.category-content {
    position: relative;
    z-index: 10;
    color: var(--color-white);
}

.category-content h3 {
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.category-card.large .category-content h3 {
    font-size: 36px;
}

.category-content p {
    font-size: 14px;
    opacity: 0.8;
    margin-bottom: 20px;
}

/* ========================================
   Featured Products
   ======================================== */
.featured-products {
    background-color: var(--color-white);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.product-card {
    position: relative;
    background-color: var(--color-white);
    transition: var(--transition);
}

.product-card:hover {
    box-shadow: var(--shadow);
}

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    padding: 5px 12px;
    z-index: 10;
}

.product-badge.hot {
    background-color: var(--color-accent);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: var(--color-gray);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-actions {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    display: flex;
    gap: 10px;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateY(0);
}

.btn-quickview {
    flex: 1;
    background-color: var(--color-white);
    color: var(--color-primary);
    padding: 12px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-quickview:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-wishlist {
    width: 42px;
    height: 42px;
    background-color: transparent;
    color: var(--color-white);
    font-size: 18px;
    border: 1px solid rgba(255,255,255,0.3);
}

.btn-wishlist:hover {
    background-color: var(--color-white);
    color: var(--color-accent);
}

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.product-desc {
    font-size: 13px;
    color: var(--color-text-light);
    margin-bottom: 10px;
}

.product-price {
    font-size: 18px;
    font-weight: 700;
}

/* ========================================
   Brand Story
   ======================================== */
.brand-story {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: 0;
}

.brand-story-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.brand-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
}

.brand-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    color: var(--color-white);
    padding: 100px 20px;
}

.brand-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-accent);
    margin-bottom: 20px;
    display: block;
}

.brand-content h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 900;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.brand-content p {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 40px;
}

/* ========================================
   Team Section
   ======================================== */
.team-section {
    background-color: var(--color-gray);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.team-member {
    position: relative;
    overflow: hidden;
}

.member-image {
    aspect-ratio: 3/4;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.team-member:hover .member-image {
    transform: scale(1.05);
}

.member-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: var(--color-white);
}

.member-info h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.member-info p {
    font-size: 14px;
    opacity: 0.8;
}

/* ========================================
   Features
   ======================================== */
.features {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.feature-item {
    padding: 20px;
}

.feature-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.feature-item p {
    font-size: 14px;
    opacity: 0.7;
}

/* ========================================
   Newsletter
   ======================================== */
.newsletter {
    background-color: var(--color-gray);
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 32px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.newsletter-content p {
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--color-border);
    font-size: 16px;
    transition: var(--transition);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.newsletter-form button {
    padding: 15px 40px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.footer-column.brand p {
    opacity: 0.7;
    margin-bottom: 25px;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    font-size: 14px;
    opacity: 0.7;
    transition: var(--transition);
}

.social-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    font-size: 14px;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    opacity: 0.6;
}

.footer-bottom a {
    text-decoration: underline;
}

.footer-bottom a:hover {
    color: var(--color-accent);
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-card.large {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 992px) {
    .nav-menu.left {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .logo {
        position: static;
        transform: none;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .category-card.large {
        grid-column: span 1;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding: 0 20px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}