/* ==========================================================================
   ANIMACIONES, HOVERS Y EFECTOS MODERNOS - Greco Drywall
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Glassmorphism Utilities
   -------------------------------------------------------------------------- */
.glass-panel {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
}

.glass-panel-dark {
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* --------------------------------------------------------------------------
   2. Hover Lift Effects (Cards)
   -------------------------------------------------------------------------- */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.hover-lift-sm {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hover-lift-sm:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   3. Glow & Shimmer Effects (Buttons/CTAs)
   -------------------------------------------------------------------------- */
.btn-glow {
    position: relative;
    transition: all var(--transition-base);
}

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

/* Efecto Shimmer (Brillo pasando por el botón) */
.btn-shimmer {
    position: relative;
    overflow: hidden;
}

.btn-shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-20deg);
    transition: all 0.75s ease;
}

.btn-shimmer:hover::after {
    left: 200%;
    transition: all 0.75s ease;
}

/* --------------------------------------------------------------------------
   4. Icon Hover Animations
   -------------------------------------------------------------------------- */
.icon-scale-up i {
    transition: transform var(--transition-base);
}

.icon-scale-up:hover i {
    transform: scale(1.2);
}

.social-icon-hover {
    transition: all var(--transition-fast);
}

.social-icon-hover:hover {
    transform: translateY(-3px);
    color: var(--secondary-color) !important;
}

/* --------------------------------------------------------------------------
   5. Keyframe Animations (On Load / On Scroll)
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Utility classes para animaciones manuales (Ej: Hero sin AOS) */
.animate-fade-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-left {
    animation: fadeInLeft 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-right {
    animation: fadeInRight 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-scale-in {
    animation: scaleIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Delays escalonados para listas o grids */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* --------------------------------------------------------------------------
   6. Image Reveal & Overlays
   -------------------------------------------------------------------------- */
.image-reveal {
    overflow: hidden;
    position: relative;
    border-radius: var(--radius-lg);
}

.image-reveal img {
    transition: transform var(--transition-slow);
    display: block;
    width: 100%;
}

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

.image-reveal::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.8), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
}

.image-reveal:hover::before {
    opacity: 1;
}