/* ============================================
   KARMA Streetwear - CSS Styles
   ============================================ */

/* Design Tokens */
:root {
    --color-black: #0a0a0a;
    --color-dark: #141414;
    --color-cream: #f5f1e8;
    --color-white: #faf8f5;
    --color-sand: #c4b7a6;
    --color-sage: #8b9a7c;
    --color-concrete: #6b6b6b;
    --color-gold: #c9a962;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--color-black);
    color: var(--color-cream);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

/* ============================================
   Loader
   ============================================ */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 12px;
    margin-bottom: 30px;
}

.loader-bar {
    width: 200px;
    height: 2px;
    background: rgba(255,255,255,0.1);
    overflow: hidden;
}

.loader-progress {
    width: 0%;
    height: 100%;
    background: var(--color-cream);
    animation: loading 1.5s ease-out forwards;
}

@keyframes loading {
    to { width: 100%; }
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 40px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 8px;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav-link {
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.nav-link:hover {
    opacity: 1;
}

.header-actions {
    display: flex;
    gap: 20px;
}

.icon-btn {
    position: relative;
    color: var(--color-cream);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.icon-btn:hover {
    opacity: 1;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 18px;
    height: 18px;
    background: var(--color-gold);
    color: var(--color-black);
    font-size: 10px;
    font-weight: 600;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-cream);
    transition: var(--transition-fast);
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-black);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 30px;
    text-align: center;
}

.mobile-nav-link {
    font-size: 32px;
    font-weight: 300;
    letter-spacing: 4px;
    text-transform: uppercase;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(10, 10, 10, 0.3) 0%,
        rgba(10, 10, 10, 0.1) 40%,
        rgba(10, 10, 10, 0.4) 70%,
        rgba(10, 10, 10, 0.9) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.hero-eyebrow {
    display: block;
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    opacity: 0.7;
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(48px, 12vw, 120px);
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 0.9;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 16px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.7;
    margin-bottom: 40px;
}

.hero-cta {
    display: inline-block;
    padding: 16px 48px;
    background: var(--color-cream);
    color: var(--color-black);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: var(--transition-medium);
}

.hero-cta:hover {
    background: var(--color-gold);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 2;
}

.scroll-indicator span {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.5;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-cream), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* ============================================
   Marquee
   ============================================ */
.marquee {
    padding: 20px 0;
    background: var(--color-dark);
    overflow: hidden;
}

.marquee-content {
    display: flex;
    gap: 60px;
    animation: marquee 30s linear infinite;
    white-space: nowrap;
}

.marquee-content span {
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    opacity: 0.5;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    padding: 0 20px;
}

.section-eyebrow {
    display: block;
    font-size: 11px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 300;
    letter-spacing: -1px;
}

/* ============================================
   Lookbook Section
   ============================================ */
.lookbook {
    padding: 100px 40px;
}

.lookbook-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.lookbook-item {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    cursor: pointer;
}

.lookbook-item-wide {
    grid-column: span 2;
    aspect-ratio: 16/9;
}

.lookbook-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.lookbook-item:hover .lookbook-video {
    transform: scale(1.05);
}

.lookbook-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.lookbook-item:hover .lookbook-overlay {
    opacity: 1;
}

.lookbook-tag {
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* ============================================
   Philosophy Section
   ============================================ */
.philosophy {
    padding: 150px 40px;
    background: var(--color-dark);
}

.philosophy-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.philosophy-title {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 40px;
}

.philosophy-text {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.7;
    margin-bottom: 24px;
}

/* ============================================
   Products Section
   ============================================ */
.products {
    padding: 100px 40px;
}

.products-filters {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-cream);
    opacity: 0.5;
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    opacity: 1;
    border-color: var(--color-cream);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.product-card {
    cursor: pointer;
}

.product-image {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    margin-bottom: 20px;
    background: var(--color-dark);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: var(--color-gold);
    color: var(--color-black);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

.product-name {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-price {
    font-size: 14px;
    opacity: 0.7;
}

/* ============================================
   Newsletter Section
   ============================================ */
.newsletter {
    padding: 100px 40px;
    background: var(--color-dark);
    text-align: center;
}

.newsletter-title {
    font-size: 32px;
    font-weight: 300;
    margin-bottom: 16px;
}

.newsletter-text {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 40px;
}

.newsletter-form {
    display: flex;
    gap: 16px;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-input {
    flex: 1;
    padding: 16px 24px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--color-cream);
    font-size: 14px;
}

.newsletter-input::placeholder {
    color: rgba(255,255,255,0.4);
}

.newsletter-btn {
    padding: 16px 32px;
    background: var(--color-cream);
    color: var(--color-black);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.newsletter-btn:hover {
    background: var(--color-gold);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: 80px 40px 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto 60px;
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 8px;
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 13px;
    opacity: 0.5;
    font-style: italic;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 13px;
    opacity: 0.6;
    margin-bottom: 12px;
    transition: opacity var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    font-size: 12px;
    opacity: 0.4;
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    background: var(--color-dark);
    overflow: hidden;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 32px;
    color: var(--color-cream);
    z-index: 10;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.modal-close:hover {
    opacity: 1;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.modal-image {
    aspect-ratio: 3/4;
    background: var(--color-black);
}

.modal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-info {
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
}

.modal-category {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 12px;
}

.modal-title {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 12px;
}

.modal-price {
    font-size: 20px;
    margin-bottom: 24px;
}

.modal-description {
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.7;
    margin-bottom: 32px;
}

.modal-options {
    margin-bottom: 32px;
}

.option-group {
    margin-bottom: 20px;
}

.option-group label {
    display: block;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
    opacity: 0.7;
}

.size-buttons,
.color-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.size-btn,
.color-btn {
    padding: 12px 20px;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--color-cream);
    font-size: 12px;
    transition: var(--transition-fast);
}

.size-btn:hover,
.size-btn.active,
.color-btn:hover,
.color-btn.active {
    border-color: var(--color-cream);
    background: var(--color-cream);
    color: var(--color-black);
}

.add-to-cart-btn {
    margin-top: auto;
    padding: 18px 40px;
    background: var(--color-cream);
    color: var(--color-black);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.add-to-cart-btn:hover {
    background: var(--color-gold);
}

/* ============================================
   Cart Drawer
   ============================================ */
.cart-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 420px;
    height: 100%;
    background: var(--color-dark);
    z-index: 2001;
    transform: translateX(100%);
    transition: transform var(--transition-medium);
    display: flex;
    flex-direction: column;
}

.cart-drawer.active {
    transform: translateX(0);
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.cart-header h3 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.cart-close {
    font-size: 28px;
    color: var(--color-cream);
    opacity: 0.7;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px 30px;
}

.cart-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.cart-item-image {
    width: 80px;
    height: 100px;
    background: var(--color-black);
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
}

.cart-item-variant {
    font-size: 12px;
    opacity: 0.6;
    margin-bottom: 8px;
}

.cart-item-price {
    font-size: 14px;
}

.cart-item-remove {
    font-size: 12px;
    color: var(--color-cream);
    opacity: 0.5;
    margin-top: 8px;
}

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

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.checkout-btn {
    width: 100%;
    padding: 18px;
    background: var(--color-cream);
    color: var(--color-black);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: var(--transition-fast);
}

.checkout-btn:hover {
    background: var(--color-gold);
}

.cart-empty {
    text-align: center;
    padding: 60px 20px;
    opacity: 0.5;
}

/* ============================================
   Search Modal
   ============================================ */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    z-index: 2002;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-medium);
}

.search-modal.active {
    opacity: 1;
    visibility: visible;
}

.search-content {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 90%;
    max-width: 600px;
}

.search-input {
    flex: 1;
    padding: 20px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.3);
    color: var(--color-cream);
    font-size: 24px;
    font-weight: 300;
}

.search-input::placeholder {
    color: rgba(255,255,255,0.3);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-cream);
}

.search-close {
    font-size: 32px;
    color: var(--color-cream);
    opacity: 0.7;
}

.search-results {
    width: 90%;
    max-width: 600px;
    margin-top: 40px;
}

/* ============================================
   Toast
   ============================================ */
.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 16px 32px;
    background: var(--color-cream);
    color: var(--color-black);
    font-size: 13px;
    font-weight: 500;
    opacity: 0;
    transition: var(--transition-medium);
    z-index: 3000;
}

.toast.active {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .lookbook-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .lookbook-item-wide {
        grid-column: span 2;
    }

    .footer-links {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0 20px;
    }

    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 48px;
    }

    .lookbook {
        padding: 60px 20px;
    }

    .lookbook-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .lookbook-item-wide {
        grid-column: span 1;
    }

    .philosophy {
        padding: 80px 20px;
    }

    .products {
        padding: 60px 20px;
    }

    .products-filters {
        gap: 10px;
    }

    .filter-btn {
        padding: 10px 16px;
        font-size: 11px;
    }

    .newsletter {
        padding: 60px 20px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .footer {
        padding: 60px 20px 30px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 30px;
    }

    .modal-body {
        grid-template-columns: 1fr;
    }

    .modal-image {
        aspect-ratio: 1;
    }

    .modal-info {
        padding: 30px 20px;
    }
}

/* ============================================
   Lookbook Hover-to-Video
   ============================================ */
.lookbook-item {
    position: relative;
    overflow: hidden;
}

/* 6-item grid: 3 columns top, 3 columns bottom */
.lookbook-grid {
    grid-template-columns: repeat(3, 1fr) !important;
}

.lookbook-item-wide {
    grid-column: span 1 !important;
}

@media (max-width: 768px) {
    .lookbook-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}