/* =============================================
   PixelFrame Movies — CSS Animations
   ============================================= */

/* 1. Page Load: Fade-in with upward slide */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* 2. Ken Burns effect for hero backdrop */
@keyframes kenBurns {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }

    100% {
        transform: scale(1);
    }
}

.ken-burns {
    animation: kenBurns 20s ease-in-out infinite;
}

/* 3. Movie card hover (in style.css via :hover) — pulse glow supplement */
@keyframes cardGlow {

    0%,
    100% {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    }

    50% {
        box-shadow: 0 16px 48px rgba(229, 9, 20, 0.25);
    }
}

/* 4. Rating star fill */
@keyframes starFill {
    0% {
        width: 0;
    }

    100% {
        width: var(--star-fill, 80%);
    }
}

.star-fill-anim {
    height: 100%;
    background: var(--secondary);
    border-radius: 2px;
    animation: starFill 1.5s ease forwards;
}

/* 5. Scroll reveal (triggered by Intersection Observer in JS) */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Staggered children */
.reveal-stagger>* {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.revealed>*:nth-child(1) {
    transition-delay: 0.05s;
}

.reveal-stagger.revealed>*:nth-child(2) {
    transition-delay: 0.1s;
}

.reveal-stagger.revealed>*:nth-child(3) {
    transition-delay: 0.15s;
}

.reveal-stagger.revealed>*:nth-child(4) {
    transition-delay: 0.2s;
}

.reveal-stagger.revealed>*:nth-child(5) {
    transition-delay: 0.25s;
}

.reveal-stagger.revealed>*:nth-child(6) {
    transition-delay: 0.3s;
}

.reveal-stagger.revealed>*:nth-child(n+7) {
    transition-delay: 0.35s;
}

.reveal-stagger.revealed>* {
    opacity: 1;
    transform: translateY(0);
}

/* 6. Navigation glass effect (handled by .nav.scrolled in style.css) */

/* 7. Search bar expand */
@keyframes searchExpand {
    0% {
        width: 0;
        opacity: 0;
    }

    100% {
        width: 200px;
        opacity: 1;
    }
}

/* 8. Trailer button pulse ring */
@keyframes pulseRing {
    0% {
        box-shadow: 0 0 0 0 rgba(229, 9, 20, 0.6);
    }

    70% {
        box-shadow: 0 0 0 14px rgba(229, 9, 20, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(229, 9, 20, 0);
    }
}

.btn-trailer {
    position: relative;
    animation: pulseRing 2s ease-out infinite;
}

/* 9. Skeleton shimmer (defined in style.css @keyframes shimmer) */

/* 10. Modal open/close (handled via .modal-overlay.active in style.css) */

/* 11. IMDb badge bounce-in */
@keyframes bounceIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    50% {
        transform: scale(1.15);
    }

    70% {
        transform: scale(0.95);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.bounce-in {
    opacity: 0;
    animation: bounceIn 0.6s ease forwards;
}

.bounce-in-delay-1 {
    animation-delay: 0.15s;
}

.bounce-in-delay-2 {
    animation-delay: 0.3s;
}

.bounce-in-delay-3 {
    animation-delay: 0.45s;
}

/* 12. Cast horizontal scroll momentum — CSS smooth scroll */
.cast-scroll {
    scroll-behavior: smooth;
}

/* 13. Reading progress bar (width set via JS) */
@keyframes progressPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

/* 14. Tab switching slide */
.tab-content {
    display: none;
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.tab-content.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

/* 15. Back-to-top button (handled in style.css with .visible) */

/* ── Hero typewriter effect ── */
@keyframes typewriter {
    0% {
        width: 0;
    }

    100% {
        width: 100%;
    }
}

@keyframes blinkCursor {

    0%,
    100% {
        border-right-color: rgba(255, 255, 255, 0.75);
    }

    50% {
        border-right-color: transparent;
    }
}

.typewriter-text {
    display: inline-block;
    overflow: hidden;
    white-space: nowrap;
    border-right: 2px solid rgba(255, 255, 255, 0.75);
    animation: typewriter 3s steps(40) 0.5s forwards, blinkCursor 0.75s step-end infinite;
    width: 0;
}

/* ── Circular rating animation ── */
@keyframes ratingCircle {
    0% {
        stroke-dashoffset: var(--circumference, 314);
    }

    100% {
        stroke-dashoffset: var(--dash-offset, 31);
    }
}

.rating-circle-anim {
    animation: ratingCircle 1.5s ease-out forwards;
}

/* ── Counter animation helper ── */
@keyframes countUp {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.count-up {
    animation: countUp 0.5s ease forwards;
}

/* ── Floating particles for hero ── */
@keyframes float {

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

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(229, 9, 20, 0.3);
    border-radius: 50%;
    animation: float linear infinite;
}

/* ── Spinner ── */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 20px auto;
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}