/* Modern Effects for Airevo HVAC */

:root {
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-blur: 15px;
    --glass-border: rgba(255, 255, 255, 0.2);
    --soft-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --premium-gradient: linear-gradient(135deg, #f8cf2a 0%, #f1c40f 100%);
    --dark-premium-gradient: linear-gradient(135deg, #060b2c 0%, #0a1352 100%);
}

/* Glassmorphism Classes */
.glass-nav {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.4s ease;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--soft-shadow);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

/* Modern Hover Effects */
.premium-lift {
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.premium-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Animated Entrance Classes (handled by JS Intersection Observer) */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    filter: blur(5px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-on-scroll.active {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* Staggered Delay for lists/grids */
.reveal-on-scroll.delay-1 { transition-delay: 0.1s; }
.reveal-on-scroll.delay-2 { transition-delay: 0.2s; }
.reveal-on-scroll.delay-3 { transition-delay: 0.3s; }
.reveal-on-scroll.delay-4 { transition-delay: 0.4s; }

/* Modern Button Polish */
.primary_btn.modern-btn {
    border: none;
    background: var(--premium-gradient);
    box-shadow: 0 4px 15px rgba(248, 207, 42, 0.3);
    overflow: hidden;
}

.primary_btn.modern-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300%;
    height: 300%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%) rotate(45deg) translateY(100%);
    transition: transform 0.6s ease;
}

.primary_btn.modern-btn:hover::after {
    transform: translate(-50%, -50%) rotate(45deg) translateY(-100%);
}

/* Float Animation for background images/icons */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

/* Custom Cursor (Optional class to be applied via Body) */
.custom-cursor {
    cursor: none;
}

.cursor-follower {
    position: fixed;
    width: 20px;
    height: 20px;
    background: var(--primary--color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: transform 0.1s ease;
    opacity: 0.6;
}