/**
 * Animation Styles
 * Keyframes, Transitions, Entrance Animations
 */

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

/* Slide In Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft var(--transition-slow) ease-out;
}

.slide-in-right {
    animation: slideInRight var(--transition-slow) ease-out;
}

/* Scale Animation */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-in {
    animation: scaleIn var(--transition-base) ease-out;
}

/* Ripple Effect for Buttons */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }

    100% {
        transform: scale(4);
        opacity: 0;
    }
}

.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
}

.btn-ripple:active::after {
    animation: ripple 0.6s ease-out;
}

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

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

.hover-scale {
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* Button Hover Effects */
.btn {
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Card Hover Effects */
.card,
.survey-card,
.contact-card,
.info-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover,
.survey-card:hover,
.contact-card:hover,
.info-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Navigation Link Hover Effects */
.nav-link {
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-turquoise);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-turquoise);
}

/* Social Link Hover Effects */
.social-link {
    transition: all var(--transition-base);
}

.social-link:hover {
    transform: translateX(8px) scale(1.02);
}

/* Expertise Item Hover Effects */
.expertise-item {
    transition: all var(--transition-base);
}

.expertise-item:hover {
    transform: translateX(8px) scale(1.02);
}

.expertise-item:hover .expertise-icon {
    transform: scale(1.2) rotate(5deg);
    transition: transform var(--transition-base);
}

/* University Link Hover Effects */
.university-link {
    transition: all var(--transition-base);
}

.university-link:hover {
    transform: translateX(8px) scale(1.02);
}

.university-link:hover .link-arrow {
    transform: translateX(8px);
    transition: transform var(--transition-fast);
}

/* Form Input Hover Effects */
.form-input {
    transition: all var(--transition-fast);
}

.form-input:hover {
    border-color: var(--color-turquoise-light);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.form-input:focus {
    border-color: var(--color-turquoise);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.2);
}

/* KVKK Checkbox Hover Effects */
.kvkk-checkbox {
    transition: all var(--transition-base);
}

.kvkk-checkbox:hover {
    border-color: var(--color-turquoise);
    box-shadow: 0 2px 8px rgba(8, 145, 178, 0.15);
    transform: scale(1.01);
}

/* Card Entrance Animations */
@keyframes cardEnter {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.card-enter {
    animation: cardEnter 0.6s ease-out both;
}

/* Custom Slide In for Contact Cards */
@keyframes slideInRightSmooth {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.contact-card.card-enter {
    animation-name: slideInRightSmooth;
    animation-duration: 0.8s;
}

/* Staggered Animation Delays for Cards */
.card-stagger-1 {
    animation-delay: 0.1s;
}

.card-stagger-2 {
    animation-delay: 0.2s;
}

.card-stagger-3 {
    animation-delay: 0.3s;
}

.card-stagger-4 {
    animation-delay: 0.4s;
}

.card-stagger-5 {
    animation-delay: 0.5s;
}

.card-stagger-6 {
    animation-delay: 0.6s;
}

.card-stagger-7 {
    animation-delay: 0.7s;
}

.card-stagger-8 {
    animation-delay: 0.8s;
}

/* Entrance Animations with Delays */
.animate-delay-1 {
    animation-delay: 0.1s;
}

.animate-delay-2 {
    animation-delay: 0.2s;
}

.animate-delay-3 {
    animation-delay: 0.3s;
}

.animate-delay-4 {
    animation-delay: 0.4s;
}

/* Scroll Reveal Animation */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Animation */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Bounce Animation */
@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.bounce {
    animation: bounce 1s ease-in-out infinite;
}

/* Shake Animation (for errors) */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-5px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(5px);
    }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Smooth Transitions */
.transition-all {
    transition: all var(--transition-base);
}

.transition-colors {
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.transition-transform {
    transition: transform var(--transition-base);
}

/* Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {

    .fade-in,
    .slide-in-left,
    .slide-in-right,
    .scale-in,
    .scroll-reveal,
    .card-enter {
        animation: none;
        opacity: 1;
        transform: none;
    }
}