/* ========================================
   WEDDING WEBSITE - ANIMATIONS
   Keyframe animations and transition utilities
   ======================================== */

/* ==================== SCROLL ANIMATION CLASSES ==================== */

/* Fade Up Animation */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* Fade Down Animation */
.fade-down {
    opacity: 0;
    transform: translateY(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-down.active {
    opacity: 1;
    transform: translateY(0);
}

/* Fade Left Animation */
.fade-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Fade Right Animation */
.fade-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Zoom In Animation */
.zoom-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Zoom Out Animation */
.zoom-out {
    opacity: 0;
    transform: scale(1.2);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Rotate In Animation */
.rotate-in {
    opacity: 0;
    transform: rotate(-15deg) scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.rotate-in.active {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Slide Up Animation */
.slide-up {
    opacity: 0;
    transform: translateY(100px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* Slide Down Animation */
.slide-down {
    opacity: 0;
    transform: translateY(-100px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-down.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== STAGGER DELAY UTILITIES ==================== */

/* Stagger delays for child elements */
.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; }

/* Individual stagger delays */
.stagger-delay-1 { transition-delay: 0.1s; }
.stagger-delay-2 { transition-delay: 0.2s; }
.stagger-delay-3 { transition-delay: 0.3s; }
.stagger-delay-4 { transition-delay: 0.4s; }
.stagger-delay-5 { transition-delay: 0.5s; }
.stagger-delay-6 { transition-delay: 0.6s; }
.stagger-delay-7 { transition-delay: 0.7s; }
.stagger-delay-8 { transition-delay: 0.8s; }

/* ==================== KEYFRAME ANIMATIONS ==================== */

/* Heart Beat Animation */
@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.15);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.15);
    }
    70% {
        transform: scale(1);
    }
}

.heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* Float Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Bounce Animation */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-30px);
    }
    60% {
        transform: translateY(-15px);
    }
}

.bounce {
    animation: bounce 2s ease-in-out infinite;
}

/* Shine Animation */
@keyframes shine {
    100% {
        left: 125%;
    }
}

.shine::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(-25deg);
    animation: shine 1.5s infinite;
}

/* Spin Animation */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spin {
    animation: spin 1s linear infinite;
}

/* Ping Animation */
@keyframes ping {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

.ping {
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* Wiggle Animation */
@keyframes wiggle {
    0%, 100% {
        transform: rotate(-3deg);
    }
    50% {
        transform: rotate(3deg);
    }
}

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

/* Shake Animation */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px);
    }
}

.shake {
    animation: shake 0.8s ease-in-out;
}

/* Rubber Band Animation */
@keyframes rubberBand {
    0% {
        transform: scale3d(1, 1, 1);
    }
    30% {
        transform: scale3d(1.25, 0.75, 1);
    }
    40% {
        transform: scale3d(0.75, 1.25, 1);
    }
    50% {
        transform: scale3d(1.15, 0.85, 1);
    }
    65% {
        transform: scale3d(0.95, 1.05, 1);
    }
    75% {
        transform: scale3d(1.05, 0.95, 1);
    }
    100% {
        transform: scale3d(1, 1, 1);
    }
}

.rubberBand {
    animation: rubberBand 0.8s ease-in-out;
}

/* Flip Animation */
@keyframes flipInX {
    0% {
        transform: perspective(400px) rotate3d(1, 0, 0, -90deg);
        opacity: 0;
    }
    40% {
        transform: perspective(400px) rotate3d(1, 0, 0, 20deg);
    }
    60% {
        transform: perspective(400px) rotate3d(1, 0, 0, -10deg);
    }
    80% {
        transform: perspective(400px) rotate3d(1, 0, 0, 5deg);
    }
    100% {
        transform: perspective(400px) rotate3d(1, 0, 0, 0);
        opacity: 1;
    }
}

.flipInX {
    animation: flipInX 0.8s ease-in-out;
}

/* Swing Animation */
@keyframes swing {
    20% {
        transform: rotate3d(0, 0, 1, 15deg);
    }
    40% {
        transform: rotate3d(0, 0, 1, -10deg);
    }
    60% {
        transform: rotate3d(0, 0, 1, 5deg);
    }
    80% {
        transform: rotate3d(0, 0, 1, -5deg);
    }
    100% {
        transform: rotate3d(0, 0, 1, 0);
    }
}

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

/* ==================== HEART PARTICLE ANIMATION ==================== */

@keyframes heartFloat {
    0% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
    10% {
        opacity: 0.8;
        transform: translateY(-10vh) scale(1);
    }
    90% {
        opacity: 0.8;
        transform: translateY(-90vh) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-100vh) scale(0.5);
    }
}

.heart-particle {
    position: fixed;
    bottom: -50px;
    color: rgba(212, 165, 165, 0.4);
    font-size: 20px;
    z-index: 9999;
    pointer-events: none;
    animation: heartFloat 8s linear forwards;
}

/* ==================== TEXT ANIMATIONS ==================== */

/* Typing Animation */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

.typing {
    overflow: hidden;
    white-space: nowrap;
    animation: typing 3s steps(40, end);
}

/* Blink Cursor */
@keyframes blinkCursor {
    50% {
        border-color: transparent;
    }
}

.cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background-color: currentColor;
    animation: blinkCursor 1s step-end infinite;
}

/* Gradient Text Animation */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-text {
    background: linear-gradient(
        90deg,
        var(--primary-rose),
        var(--secondary-gold),
        var(--accent-sage),
        var(--secondary-gold),
        var(--primary-rose)
    );
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
}

/* ==================== BUTTON HOVER EFFECTS ==================== */

/* Button ripple effect */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

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

.btn-ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

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

/* ==================== LOADER ANIMATIONS ==================== */

/* Spinner */
@keyframes spinLoader {
    to {
        transform: rotate(360deg);
    }
}

.spinner {
    border: 3px solid rgba(212, 165, 165, 0.1);
    border-top-color: var(--primary-rose);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spinLoader 1s linear infinite;
}

/* Progress Bar */
@keyframes progressFill {
    from {
        width: 0%;
    }
}

.progress-bar {
    height: 4px;
    background-color: var(--primary-rose);
    animation: progressFill 2s ease-out forwards;
}

/* ==================== IMAGE HOVER EFFECTS ==================== */

/* Image zoom with overlay */
@keyframes imageZoomIn {
    to {
        transform: scale(1.1);
    }
}

.hover-zoom {
    overflow: hidden;
}

.hover-zoom img {
    transition: transform 0.6s ease;
}

.hover-zoom:hover img {
    animation: imageZoomIn 0.6s ease forwards;
}

/* ==================== CARD ANIMATIONS ==================== */

/* Card lift on hover */
@keyframes cardLift {
    to {
        transform: translateY(-10px);
    }
}

.hover-lift:hover {
    animation: cardLift 0.3s ease forwards;
}

/* Card glow on hover */
@keyframes cardGlow {
    to {
        box-shadow: 0 0 30px rgba(212, 165, 165, 0.5);
    }
}

.hover-glow:hover {
    animation: cardGlow 0.3s ease forwards;
}

/* ==================== SCROLL PROGRESS INDICATOR ==================== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-rose), var(--secondary-gold));
    transform-origin: 0%;
    z-index: calc(var(--z-fixed) + 1);
    transition: transform 0.1s linear;
}

/* ==================== SECTION HIGHLIGHT INDICATOR ==================== */

.section-highlight {
    position: fixed;
    top: 0;
    right: 0;
    width: 4px;
    height: 100vh;
    background-color: var(--primary-rose);
    transform-origin: top;
    z-index: calc(var(--z-fixed) + 1);
    transition: transform 0.3s ease;
}