/* ============================================================
   ANIMATIONS.CSS — Keyframes, Scroll Animations, Transitions
   ============================================================ */

/* --- Scroll-Triggered Animation Classes --- */
/* Elements start hidden; JS adds .is-visible when in viewport */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition:
        opacity var(--duration-slower) var(--ease-out-expo),
        transform var(--duration-slower) var(--ease-out-expo);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Reveal variants */
.reveal--left {
    transform: translateX(-50px);
}

.reveal--left.is-visible {
    transform: translateX(0);
}

.reveal--right {
    transform: translateX(50px);
}

.reveal--right.is-visible {
    transform: translateX(0);
}

.reveal--scale {
    transform: scale(0.9);
}

.reveal--scale.is-visible {
    transform: scale(1);
}

/* Stagger children - each child delays slightly */
.reveal-stagger>* {
    opacity: 0;
    transform: translateY(30px);
    transition:
        opacity var(--duration-slower) var(--ease-out-expo),
        transform var(--duration-slower) var(--ease-out-expo);
}

.reveal-stagger.is-visible>*:nth-child(1) {
    transition-delay: 0ms;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.is-visible>*:nth-child(2) {
    transition-delay: 100ms;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.is-visible>*:nth-child(3) {
    transition-delay: 200ms;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.is-visible>*:nth-child(4) {
    transition-delay: 300ms;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.is-visible>*:nth-child(5) {
    transition-delay: 400ms;
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger.is-visible>*:nth-child(6) {
    transition-delay: 500ms;
    opacity: 1;
    transform: translateY(0);
}

/* --- Keyframe Animations --- */

/* Fade in up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Fade in */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Scale in */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.85);
    }

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

/* Slide in from left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-60px);
    }

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

/* Glow pulse - for trust badges */
@keyframes glowPulse {

    0%,
    100% {
        box-shadow: 0 0 15px var(--color-primary-glow);
    }

    50% {
        box-shadow: 0 0 30px var(--color-primary-glow), 0 0 60px rgba(233, 30, 140, 0.15);
    }
}

/* Shimmer effect */
@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

/* Slot machine text cycling */
@keyframes slotCycle {
    0% {
        transform: translateY(100%);
        opacity: 0;
    }

    10% {
        transform: translateY(0);
        opacity: 1;
    }

    30% {
        transform: translateY(0);
        opacity: 1;
    }

    40% {
        transform: translateY(-100%);
        opacity: 0;
    }

    100% {
        transform: translateY(-100%);
        opacity: 0;
    }
}

/* Float / hover effect */
@keyframes float {

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

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

/* Draw line - for blueprint effects */
@keyframes drawLine {
    from {
        stroke-dashoffset: 1000;
    }

    to {
        stroke-dashoffset: 0;
    }
}

/* Rotate slow */
@keyframes rotateSlow {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Blueprint grid fade */
@keyframes gridFade {
    0% {
        opacity: 0;
        background-size: 0px 0px;
    }

    100% {
        opacity: 0.15;
        background-size: 30px 30px;
    }
}

/* Counter number roll */
@keyframes numberRoll {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

/* --- Animation Utility Classes --- */
.animate-fadeIn {
    animation: fadeIn var(--duration-slower) var(--ease-out-expo) forwards;
}

.animate-fadeInUp {
    animation: fadeInUp var(--duration-slower) var(--ease-out-expo) forwards;
}

.animate-scaleIn {
    animation: scaleIn var(--duration-slower) var(--ease-out-expo) forwards;
}

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

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

.animate-shimmer {
    background: linear-gradient(90deg,
            transparent 30%,
            var(--color-primary-subtle) 50%,
            transparent 70%);
    background-size: 200% 100%;
    animation: shimmer 3s ease infinite;
}

/* --- Delay Utilities --- */
.delay-1 {
    animation-delay: 100ms;
    transition-delay: 100ms;
}

.delay-2 {
    animation-delay: 200ms;
    transition-delay: 200ms;
}

.delay-3 {
    animation-delay: 300ms;
    transition-delay: 300ms;
}

.delay-4 {
    animation-delay: 400ms;
    transition-delay: 400ms;
}

.delay-5 {
    animation-delay: 500ms;
    transition-delay: 500ms;
}

.delay-6 {
    animation-delay: 600ms;
    transition-delay: 600ms;
}

/* --- Hover Interaction Effects --- */
.hover-lift {
    transition: transform var(--duration-normal) var(--ease-out-quart),
        box-shadow var(--duration-normal) var(--ease-out-quart);
}

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

/* Magnetic button effect base */
.magnetic {
    transition: transform var(--duration-fast) var(--ease-out-quart);
}

/* --- Page Transition Overlay --- */
.page-transition {
    position: fixed;
    inset: 0;
    background: var(--color-primary);
    z-index: var(--z-overlay);
    transform: scaleX(0);
    transform-origin: left;
    pointer-events: none;
}

.page-transition.is-entering {
    animation: wipeIn 0.5s var(--ease-out-expo) forwards;
}

.page-transition.is-leaving {
    animation: wipeOut 0.5s var(--ease-out-expo) forwards;
}

@keyframes wipeIn {
    from {
        transform: scaleX(0);
        transform-origin: left;
    }

    to {
        transform: scaleX(1);
        transform-origin: left;
    }
}

@keyframes wipeOut {
    from {
        transform: scaleX(1);
        transform-origin: right;
    }

    to {
        transform: scaleX(0);
        transform-origin: right;
    }
}

/* --- Section morphing background transitions --- */
.section[data-bg] {
    transition: background-color 1s var(--ease-in-out);
}

/* --- Parallax base --- */
.parallax-layer {
    will-change: transform;
    transition: transform 0.1s linear;
}

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

    .reveal,
    .reveal--left,
    .reveal--right,
    .reveal--scale {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .reveal-stagger>* {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .animate-glowPulse,
    .animate-float,
    .animate-shimmer {
        animation: none;
    }

    .page-transition {
        display: none;
    }
}