/* Premium Nike-Inspired CSS - Ultra Refined */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --primary: #000000;
    --secondary: #ffffff;
    --accent: #ff6b35;
    --accent-light: #ff8c61;
    --text: #0f0f0f;
    --text-secondary: #525252;
    --text-light: #737373;
    --background: #fafafa;
    --surface: #ffffff;
    --surface-elevated: #ffffff;
    --border: #e4e4e7;
    --border-light: #f4f4f5;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --radius: 16px;
    --radius-lg: 20px;
    --radius-sm: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-premium: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #2d2d2d 100%);
}
/* Welcome Overlay */
.welcome-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.85) 100%), url('welcome.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.welcome-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(1.1);
}

.welcome-content {
    text-align: center;
    color: white;
    max-width: 600px;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

.welcome-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.welcome-subtitle {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.welcome-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c61 100%);
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
    position: relative;
    overflow: hidden;
}

.welcome-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.4);
    color: white;
}

.welcome-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.welcome-cta:hover::before {
    left: 100%;
}

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

/* Hide scrollbar when overlay is active */
body.overlay-active {
    overflow: hidden;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.65;
    color: var(--text);
    background: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'kern' 1, 'liga' 1;
}

/* Product Cards - Enhanced */
.product-card {
    background: var(--surface-elevated);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-light);
    height: 100%;
    position: relative;
    backdrop-filter: blur(10px);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover {
    box-shadow: var(--shadow-2xl);
    transform: translateY(-4px);
    border-color: var(--border);
}

.product-card:hover::before {
    opacity: 1;
}

.product-image {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

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

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--accent);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.product-info {
    padding: 24px;
}

.product-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.product-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin: 12px 0;
    letter-spacing: -0.02em;
}

.original-price {
    text-decoration: line-through;
    color: var(--text-light);
    font-size: 15px;
    margin-left: 8px;
    font-weight: 500;
}

.product-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

/* Buttons - Premium Feel */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    white-space: nowrap;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-premium);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--border);
    padding: 13px 27px;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 13px;
}

/* General Logo Styling */
.logo {
  display: inline-block;
  height: 78px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

/* Hover Effect (optional) */
.logo:hover {
  transform: scale(1.05);
}

/* Dark Backgrounds */
.logo-dark-bg {
  filter: brightness(0) invert(1); /* Turns black logos white */
}

/* Light Backgrounds */
.logo-light-bg {
  filter: none;
}

/* Responsive Scaling */
@media (max-width: 768px) {
  .logo {
    height: 36px;
  }
}


/* Navigation - Premium */
.navbar {
    background: var(--surface-elevated) !important;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-light);
    backdrop-filter: blur(20px);
}

.nav-link {
    color: var(--text) !important;
    font-weight: 500;
    transition: var(--transition);
    font-size: 14px;
    position: relative;
    padding: 8px 16px !important;
    border-radius: var(--radius-sm);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--accent) !important;
    background: rgba(255, 107, 53, 0.05);
}

.nav-link:hover::after {
    width: 80%;
}

.nav-link .badge {
    position: absolute;
    top: 2px;
    right: 6px;
    background: var(--accent);
    color: white;
    font-size: 10px;
    padding: 3px 7px;
    border-radius: 50%;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}


/* Main Content */
.main-content {
    margin-left: 280px;
    min-height: 100vh;
}


/* Section Titles */
.section-title {
    font-size: 42px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 56px;
    color: var(--text);
    line-height: 1.2;
    letter-spacing: -0.02em;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    transform: translateX(-50%);
}

/* Search - Enhanced */
.search-box input {
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    width: 320px;
    font-size: 14px;
    transition: var(--transition);
    background: var(--surface-elevated);
    box-shadow: var(--shadow-sm);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1), var(--shadow);
    transform: translateY(-1px);
}

.search-box input::placeholder {
    color: var(--text-light);
}

/* Footer - Premium */
.footer {
    background: var(--gradient-premium);
    color: white;
    padding: 60px 0 32px;
    margin-top: 80px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h5 {
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 18px;
    color: white;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    line-height: 1.7;
}

.footer-section a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Background Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

@keyframes drift {
    0% { transform: translateX(-100px) translateY(0px); }
    100% { transform: translateX(calc(100vw + 100px)) translateY(-100px); }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Floating Elements Background */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.floating-element {
    position: absolute;
    background: linear-gradient(45deg, rgba(255, 107, 53, 0.1), rgba(255, 107, 53, 0.05));
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    width: 80px;
    height: 80px;
    top: 40%;
    left: 60%;
    animation-delay: 4s;
}

/* Gradient Background Animation */
.animated-gradient {
    background: linear-gradient(-45deg, #000000, #1a1a1a, #2d2d2d, #000000);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

/* Particle Background */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 107, 53, 0.3);
    border-radius: 50%;
    animation: drift 20s linear infinite;
}

.particle:nth-child(odd) {
    animation-duration: 25s;
    background: rgba(255, 255, 255, 0.2);
}

.particle:nth-child(even) {
    animation-duration: 15s;
    width: 2px;
    height: 2px;
}

/* Rotating Elements */
.rotating-bg {
    position: absolute;
    width: 200px;
    height: 200px;
    border: 1px solid rgba(255, 107, 53, 0.1);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.rotating-bg:nth-child(1) {
    top: 10%;
    right: 10%;
    animation-duration: 25s;
}

.rotating-bg:nth-child(2) {
    bottom: 20%;
    left: 15%;
    animation-duration: 35s;
    animation-direction: reverse;
}

/* Pulsing Background Elements */
.pulse-bg {
    position: absolute;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.pulse-bg:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 30%;
    left: 20%;
    animation-delay: 0s;
}

.pulse-bg:nth-child(2) {
    width: 200px;
    height: 200px;
    bottom: 30%;
    right: 25%;
    animation-delay: 2s;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive - Enhanced */
@media (max-width: 768px) {
 
    
    .main-content {
        margin-left: 0;
    }
    

    
    .section-title {
        font-size: 32px;
    }
    
    .search-box input {
        width: 100%;
        max-width: 320px;
    }
    
    .product-actions {
        flex-direction: column;
    }
    

}
.sidebar-categories {
    max-height: 70vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #ddd #f1f1f1;
}

.sidebar-categories::-webkit-scrollbar {
    width: 6px;
}

.sidebar-categories::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.sidebar-categories::-webkit-scrollbar-thumb {
    background: #ddd;
    border-radius: 10px;
}

.sidebar-categories::-webkit-scrollbar-thumb:hover {
    background: #000000;
}

.search-box {
    position: relative;
}
.size-option {
    padding: 8px 16px;
    border: 2px solid #dee2e6;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.size-option:hover {
    border-color: #007bff;
}

.size-option.selected {
    border-color: #007bff;
    background-color: #007bff;
    color: white;
}

.size-option.disabled {
    background-color: #f8f9fa;
    color: #6c757d;
    cursor: not-allowed;
    opacity: 0.6;
}