/* Animations CSS - Keyframes, Transitions, Hover Effects */

/* Keyframe Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Scroll Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.fade-in {
    animation: fadeIn var(--transition-slow) forwards;
}

.animate-on-scroll.slide-up {
    animation: slideUp var(--transition-slow) forwards;
}

.animate-on-scroll.slide-down {
    animation: slideDown var(--transition-slow) forwards;
}

.animate-on-scroll.slide-left {
    animation: slideLeft var(--transition-slow) forwards;
}

.animate-on-scroll.slide-right {
    animation: slideRight var(--transition-slow) forwards;
}

.animate-on-scroll.scale-in {
    animation: scaleIn var(--transition-slow) forwards;
}

/* Staggered Animation Delays */
.animate-on-scroll.delay-1 { animation-delay: 0.1s; }
.animate-on-scroll.delay-2 { animation-delay: 0.2s; }
.animate-on-scroll.delay-3 { animation-delay: 0.3s; }
.animate-on-scroll.delay-4 { animation-delay: 0.4s; }
.animate-on-scroll.delay-5 { animation-delay: 0.5s; }

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

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

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

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

.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(0, 107, 59, 0.4);
}

/* Overlay Animation (like TCDP - blue slide from right) */
.overlay-animate {
    position: relative;
    overflow: hidden;
}

.overlay-animate::after {
    content: '';
    position: absolute;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 107, 59, 0.9), transparent);
    transition: right var(--transition-normal);
    z-index: 1;
}

.overlay-animate:hover::after {
    right: 100%;
}

.overlay-animate .overlay-content {
    position: relative;
    z-index: 2;
}

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

.btn-animate::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width var(--transition-normal), height var(--transition-normal);
}

.btn-animate:hover::before {
    width: 300px;
    height: 300px;
}

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

/* Navigation Animation */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-secondary-yellow);
    transition: width var(--transition-normal);
}

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

/* Card Hover Animation */
.card-animate {
    position: relative;
    overflow: hidden;
}

.card-animate .card-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 107, 59, 0.7), transparent);
    transition: left var(--transition-normal);
    z-index: 1;
}

.card-animate:hover .card-image::before {
    left: 100%;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-grey-medium);
    border-top-color: #F3C623;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Progress Bar Animation */
.progress-bar {
    width: 0%;
    height: 4px;
    background-color: #F3C623;
    transition: width var(--transition-normal);
}

/* Shake Animation for Errors */
.shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Typing Animation */
.typing {
    overflow: hidden;
    border-right: 3px solid #F3C623;
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: #F3C623; }
}

/* Fade In on Load */
.fade-in-on-load {
    animation: fadeIn var(--transition-slow) ease-in;
}

/* Mobile Menu Animation */
.nav-menu {
    transition: max-height var(--transition-normal), opacity var(--transition-normal);
}

.nav-menu.collapsed {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

.nav-menu.expanded {
    max-height: 500px;
    opacity: 1;
}

/* Icon Rotation */
.icon-rotate:hover {
    animation: rotate 0.5s ease-in-out;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}