/* ============================================
   JAWAD'S BIKE PARTS - MAIN STYLESHEET
   Professional E-Commerce Dark Theme
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;900&family=Orbitron:wght@500;700;900&display=swap');

:root {
    --bg-dark: #0a0e1a;
    --bg-card: #151b2d;
    --bg-hover: #1a2137;
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --accent: #8b5cf6;
    --accent-dark: #7c3aed;
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border: rgba(255, 255, 255, 0.1);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --gradient-accent: linear-gradient(135deg, #8b5cf6, #ec4899);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ============================================
   PARTICLES BACKGROUND
   ============================================ */
#particles-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at top, #1e293b 0%, var(--bg-dark) 100%);
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 3s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-20px) translateX(10px); }
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(10px);
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.95);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.brand-icon {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-brand:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.nav-link {
    color: var(--text-muted);
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--text-light);
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    border-radius: 10px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

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

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::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;
}

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

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

.btn-outline-light:hover {
    background: var(--bg-card);
    border-color: var(--primary);
    color: var(--text-light);
}

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    padding-top: 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    font-weight: 600;
    font-size: 0.95rem;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--primary);
}

.card-1 { top: 10%; left: 0; }
.card-2 { top: 50%; right: 0; }
.card-3 { bottom: 10%; left: 10%; }

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3), transparent);
    filter: blur(80px);
    animation: glow 3s infinite;
}

@keyframes glow {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(59, 130, 246, 0.3));
}

/* ============================================
   SECTIONS
   ============================================ */
.features-section,
.products-section,
.about-section,
.contact-section {
    padding: 5rem 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* ============================================
   FEATURE CARDS
   ============================================ */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.feature-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-muted);
    margin: 0;
}

/* ============================================
   PRODUCT CARDS
   ============================================ */
.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    z-index: 1;
}

.product-badge.sale {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.product-image {
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
    color: var(--primary);
}

.product-info {
    padding: 1.5rem;
}

.product-info h5 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-list {
    list-style: none;
    padding: 0;
}

.about-list li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 1.05rem;
}

.about-list i {
    color: var(--success);
    font-size: 1.2rem;
}

.about-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: scale(1.05);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.stat-box .stat-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.stat-box .stat-value {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.stat-box .stat-text {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ============================================
   CONTACT CARDS
   ============================================ */
.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.contact-card h5 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.contact-card p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    margin-top: 5rem;
}

.footer-brand {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-brand i {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

/* ============================================
   GLASS EFFECT
   ============================================ */
.glass-nav {
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .hero-visual {
        height: 400px;
        margin-top: 3rem;
    }
    
    .floating-card {
        font-size: 0.85rem;
        padding: 0.75rem 1rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .about-stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .stat-item {
        flex: 1 1 calc(50% - 0.5rem);
    }
    
    .hero-visual {
        height: 300px;
    }
    
    .floating-card {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .brand-icon {
        font-size: 1.5rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}