/*
 * Abroad Campus - Smooth Animations & Transitions
 * File: css/animations.css
 * Keyframe animations, hover states, scroll triggers.
 */

/* Scroll Trigger Classes (Managed via IntersectionObserver in main.js) */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-zoom {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-zoom.active {
    opacity: 1;
    transform: scale(1);
}

/* Card Hover Zoom Effects */
.hover-card {
    transition: var(--transition);
}

.hover-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(156, 14, 21, 0.15);
}

/* Image Hover Zoom Effects */
.zoom-img-container {
    overflow: hidden;
    position: relative;
}

.zoom-img {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.zoom-img-container:hover .zoom-img {
    transform: scale(1.08);
}

/* Pulse Animation for CTA Buttons */
.pulse-btn {
    position: relative;
    overflow: hidden;
}

.pulse-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: width 0.6s ease-out, height 0.6s ease-out, opacity 0.6s ease-out;
}

.pulse-btn:active::after {
    width: 300px;
    height: 300px;
    opacity: 1;
    transition: 0s;
}

/* Hero Section Badge Animation */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
}

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

/* Video Thumbnail Glow */
.video-glow-hover {
    position: relative;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.video-glow-hover:hover {
    box-shadow: 0 10px 30px rgba(156, 14, 21, 0.25);
    transform: scale(1.02);
}

/* Flag Zooming Animations */
.country-badge-animation {
    display: inline-block;
    transition: transform 0.3s ease;
}

.country-badge-animation:hover {
    transform: scale(1.15) rotate(5deg);
}