/* ============================================================
   KGN Foundation — Homepage & Events Enhancements
   Adds scroll-reveal, hero motion, hover polish, and a
   lightweight click-to-play video gallery.

   Colors intentionally reused from css/style.css — nothing new:
   Primary blue : #0796fe
   Navy         : #092a49
   Muted gray   : #999999
   ============================================================ */


/* ---------------------------------------------
   Scroll reveal (used on service/fact/blog cards)
---------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
    will-change: opacity, transform;
}

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

.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }
.reveal-delay-5 { transition-delay: .5s; }
.reveal-delay-6 { transition-delay: .6s; }

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}


/* ---------------------------------------------
   Hero: slow Ken Burns zoom on the background photo
---------------------------------------------- */
.carousel .carousel-img {
    overflow: hidden;
}

.carousel .carousel-img img {
    animation: kgnKenBurns 12s ease-in-out infinite alternate;
}

@keyframes kgnKenBurns {
    0%   { transform: scale(1); }
    100% { transform: scale(1.12); }
}


/* ---------------------------------------------
   Hero: staggered text entrance on the active slide
---------------------------------------------- */
@keyframes kgnHeroUp {
    from { opacity: 0; transform: translateY(25px); }
    to   { opacity: 1; transform: translateY(0); }
}

.owl-item.active .carousel-text h1 {
    animation: kgnHeroUp .8s ease both;
}

.owl-item.active .carousel-text p {
    animation: kgnHeroUp .8s ease .15s both;
}

.owl-item.active .carousel-text .carousel-btn {
    animation: kgnHeroUp .8s ease .3s both;
}

@media (prefers-reduced-motion: reduce) {
    .carousel .carousel-img img { animation: none; }
    .owl-item.active .carousel-text h1,
    .owl-item.active .carousel-text p,
    .owl-item.active .carousel-text .carousel-btn {
        animation: none;
    }
}


/* ---------------------------------------------
   Service cards: lift + icon spin on hover
---------------------------------------------- */
.service .service-item {
    transition: transform .35s ease, box-shadow .35s ease;
}

.service .service-item:hover {
    transform: translateY(-10px);
}

.service .service-item img {
    transition: transform .35s ease;
}

.service .service-item:hover img {
    transform: scale(1.1) rotate(-4deg);
}


/* ---------------------------------------------
   Fact cards: lift + accent border on hover
---------------------------------------------- */
.fact .fact-item {
    transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.fact .fact-item:hover {
    transform: translateY(-8px);
    border-color: #0796fe;
}


/* ---------------------------------------------
   Blog cards: image zoom on hover
---------------------------------------------- */
.blog .blog-img {
    overflow: hidden;
}

.blog .blog-img img {
    transition: transform .5s ease;
}

.blog .blog-item:hover .blog-img img {
    transform: scale(1.08);
}


/* ---------------------------------------------
   Sponsor logos: grayscale-to-color on hover
---------------------------------------------- */
.sponsor-logo {
    filter: grayscale(100%);
    opacity: .7;
    transition: filter .4s ease, opacity .4s ease, transform .4s ease;
}

.sponsor-logo:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: translateY(-5px);
}


/* ================================================================
   Events page — dynamic, click-to-play video gallery
   (replaces 6 simultaneously-loading iframes with lightweight
   thumbnail cards; the real embed only loads when clicked)
================================================================= */
.video-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.video-card {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #092a49;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(0, 0, 0, .12);
    transition: transform .4s ease, box-shadow .4s ease;
}

.video-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 30px rgba(9, 42, 73, .25);
}

.video-card:focus-visible {
    outline: 3px solid #0796fe;
    outline-offset: 3px;
}

.video-card img.video-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s ease, filter .4s ease;
}

.video-card:hover img.video-thumb {
    transform: scale(1.08);
    filter: brightness(.7);
}

.video-card .video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(9, 42, 73, .6), transparent 55%);
    pointer-events: none;
}

.video-card .video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 64px;
    height: 64px;
    transform: translate(-50%, -50%) scale(1);
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0796fe;
    border-radius: 50%;
    color: #ffffff;
    font-size: 20px;
    box-shadow: 0 0 0 0 rgba(7, 150, 254, .5);
    transition: transform .35s ease, background .35s ease, box-shadow .35s ease;
    z-index: 2;
}

.video-card .video-play i {
    margin-left: 3px;
}

.video-card:hover .video-play {
    transform: translate(-50%, -50%) scale(1.15);
    background: #092a49;
    box-shadow: 0 0 0 14px rgba(7, 150, 254, .15);
}

.video-card .video-label {
    position: absolute;
    left: 16px;
    bottom: 12px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: .5px;
    z-index: 2;
}

.video-card iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}