/* ============================================
   MEGA WORLD FITNESS - Custom Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #0a0a0f;
}

::-webkit-scrollbar-thumb {
    background: #1e1e2e;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00d4ff;
}

/* Selection Color */
::selection {
    background: rgba(0, 212, 255, 0.3);
    color: #fff;
}

/* ============================================
   Animations
   ============================================ */

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 212, 255, 0.5);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

.animate-fade-in {
    animation: fade-in 0.5s ease-out forwards;
}

.animate-slide-up {
    animation: slide-up 0.5s ease-out forwards;
}

/* ============================================
   Component Styles
   ============================================ */

/* Navigation Link Hover Effect */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00d4ff, #7c3aed);
    transition: width 0.3s ease;
}

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

/* Button Styles */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

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

/* Product Card Hover Effects */
.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animated Gradient Background */
.gradient-animated {
    background: linear-gradient(135deg, #00d4ff, #7c3aed, #00d4ff);
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

/* Glass Effect */
.glass {
    background: rgba(18, 18, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Glow Effects */
.glow-cyan {
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3), 0 0 40px rgba(0, 212, 255, 0.1);
}

.glow-cyan-strong {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5), 0 0 60px rgba(0, 212, 255, 0.2);
}

.glow-purple {
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.3), 0 0 40px rgba(124, 58, 237, 0.1);
}

/* Text Glow */
.text-glow {
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

/* Border Glow on Hover */
.border-glow:hover {
    box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.5), 
                0 0 20px rgba(0, 212, 255, 0.2);
}

/* ============================================
   Form Styles
   ============================================ */

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

/* Custom Checkbox */
input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid #1e1e2e;
    border-radius: 4px;
    background: #12121a;
    cursor: pointer;
    transition: all 0.2s ease;
}

input[type="checkbox"]:checked {
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    border-color: transparent;
}

input[type="checkbox"]:checked::after {
    content: '✓';
    display: block;
    text-align: center;
    color: #0a0a0f;
    font-weight: bold;
    font-size: 14px;
    line-height: 18px;
}

/* ============================================
   Loading Spinner
   ============================================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #1e1e2e;
    border-top-color: #00d4ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   Toast Notifications
   ============================================ */

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 16px 24px;
    background: #12121a;
    border: 1px solid #1e1e2e;
    border-radius: 12px;
    color: #e2e8f0;
    font-size: 14px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transform: translateX(120%);
    transition: transform 0.3s ease;
    z-index: 9999;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-color: #00d4ff;
}

.toast.error {
    border-color: #ef4444;
}

/* ============================================
   Utility Classes
   ============================================ */

/* Line Clamp */
.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Aspect Ratios */
.aspect-square {
    aspect-ratio: 1 / 1;
}

.aspect-video {
    aspect-ratio: 16 / 9;
}

/* Hide Scrollbar */
.hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* ============================================
   Responsive Utilities
   ============================================ */

@media (max-width: 768px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    h1 {
        font-size: 2rem !important;
    }
    
    h2 {
        font-size: 1.5rem !important;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    header,
    footer,
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}