/* Light Premium Tech Theme - CellOne Electronics */

/* 1. Global Visual Depth & Shadows */
.premium-card {
    background: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(15, 23, 42, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, box-shadow;
}

.premium-card:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
    border-color: rgba(15, 23, 42, 0.12);
}

.premium-card img {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.premium-card:hover img {
    transform: scale(1.03);
}

/* 2. Global Section Background System */
.bg-premium-site {
    background: linear-gradient(180deg, #F8FAFC 0%, #EEF4FF 100%);
}

.bg-primary-sec {
    background: #FFFFFF;
}

.bg-secondary-sec {
    background: #F5F8FF;
}

.bg-accent-sec {
    background: #EEF4FF;
}

.bg-trust-sec {
    background: #E0F2FE;
}

.bg-hero-gradient {
    background: linear-gradient(180deg, #F8FAFC 0%, #EEF4FF 100%);
    position: relative;
    overflow: hidden;
}

/* 3. Subtle Technology Patterns */
.bg-tech-grid {
    position: relative;
}

.bg-tech-grid::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: 0;
    pointer-events: none;
}

.bg-dark-tech-grid {
    position: relative;
}
.bg-dark-tech-grid::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    z-index: 0;
    pointer-events: none;
}

/* 4. Glassmorphism */
.glass-panel {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.dark-glass-panel {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* 5. CTA Button System */
.btn-primary {
    background: #2563EB;
    color: #FFFFFF;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.15);
    will-change: transform;
}

.btn-primary:hover {
    background: #1D4ED8;
    transform: scale(1.02);
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.25);
    color: #FFFFFF;
}

.btn-hover-scale {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.btn-hover-scale:hover {
    transform: scale(1.02);
}

/* Highlight Accents */
.text-highlight {
    color: #0EA5E9;
}
.bg-highlight {
    background-color: #0EA5E9;
    color: #FFFFFF;
}

/* 6. Promotional Banners */
.promo-banner {
    background: linear-gradient(135deg, #2563EB, #0EA5E9);
    position: relative;
    overflow: hidden;
}
.promo-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

/* 7. Footer Styles */
.footer-premium {
    background: linear-gradient(135deg, #0F172A, #111827);
    position: relative;
    overflow: hidden;
}

.footer-premium::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
    pointer-events: none;
}

.footer-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: #2563EB;
    filter: blur(120px);
    opacity: 0.1;
    pointer-events: none;
    z-index: 0;
}

/* 8. Floating Light Effects (Orbs) */
.light-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.orb-primary {
    background: #2563EB;
}

.orb-secondary {
    background: #0EA5E9;
}

.link-underline {
    position: relative;
}
.link-underline::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: currentColor;
    transition: width 0.3s ease;
}
.link-underline:hover::after {
    width: 100%;
}
.relative-z-10 {
    position: relative;
    z-index: 10;
}