/* Global Animation Systems */

:root {
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out-quint: cubic-bezier(0.83, 0, 0.17, 1);
}

/* Base Fade & Slide Utilities */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s var(--ease-out-expo), transform 1.2s var(--ease-out-expo);
    will-change: opacity, transform;
}

.fade-in {
    opacity: 0;
    transition: opacity 1s var(--ease-out-expo);
    will-change: opacity;
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 1s var(--ease-out-expo), transform 1.2s var(--ease-out-expo);
    will-change: opacity, transform;
}

.slide-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 1s var(--ease-out-expo), transform 1.2s var(--ease-out-expo);
    will-change: opacity, transform;
}

/* Visibility State */
.fade-up.visible,
.fade-in.visible,
.slide-in-left.visible,
.slide-in-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* Staggered Children Utilities */
.stagger-container>* {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.stagger-container.visible>* {
    opacity: 1;
    transform: translateY(0);
}

/* Manual Stagger Delays */
.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

.stagger-4 {
    transition-delay: 0.4s;
}

.stagger-5 {
    transition-delay: 0.5s;
}

.stagger-6 {
    transition-delay: 0.6s;
}

/* Micro-interactions */
.hover-lift {
    transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s var(--ease-out-expo);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

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

.glass-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.glass-glow:hover::after {
    opacity: 1;
}

/* Mobile Drawer Animations */
.mobile-drawer {
    transition: transform 0.6s var(--ease-in-out-quint);
    will-change: transform;
}

.mobile-drawer.active {
    transform: translateX(0);
}

.mobile-drawer-links li {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.4s var(--ease-out-expo), transform 0.4s var(--ease-out-expo);
}

.mobile-drawer.active .mobile-drawer-links li {
    opacity: 1;
    transform: translateX(0);
}

.mobile-drawer.active .mobile-drawer-links li:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-drawer.active .mobile-drawer-links li:nth-child(2) {
    transition-delay: 0.15s;
}

.mobile-drawer.active .mobile-drawer-links li:nth-child(3) {
    transition-delay: 0.2s;
}

.mobile-drawer.active .mobile-drawer-links li:nth-child(4) {
    transition-delay: 0.25s;
}

/* Ripple Effect Styles */
.ripple {
    position: absolute;
    background: rgba(79, 106, 245, 0.4);
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Responsive Grid Adapters */
@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .section-title {
        font-size: 2.2rem;
    }
}