/**
 * Transitions & Animations CSS
 * Loader, page transitions, micro-interactions, reduced motion
 * @package SportBreak
 */

/* ========================================
   LENIS SMOOTH SCROLL
   ======================================== */

html.lenis,
html.lenis body {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

/* ========================================
   PAGE LOADER
   ======================================== */

.sb-loader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.sb-loader__logo {
    width: 120px;
    height: 120px;
    opacity: 0;
    transform: scale(0.85);
    animation: sbLoaderLogoIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s forwards,
               sbLoaderSpin 1.8s ease-in-out 0.3s 1;
    filter: drop-shadow(0 0 30px rgba(243, 194, 31, 0.15));
}

.sb-loader__bar {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    opacity: 0;
    animation: sbLoaderFadeIn 0.3s ease 0.4s forwards;
}

.sb-loader__progress {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--yellow), #f5d04e);
    border-radius: 3px;
    transition: width 0.3s ease-out;
    box-shadow: 0 0 10px rgba(243, 194, 31, 0.4);
}

/* Loader dismiss */
body.is-loaded .sb-loader {
    opacity: 0;
    transform: translateY(-15px);
    pointer-events: none;
}

/* Loader keyframes */
@keyframes sbLoaderLogoIn {
    0% {
        opacity: 0;
        transform: scale(0.85);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes sbLoaderSpin {
    0% { transform: scale(1) rotate(0deg); }
    100% { transform: scale(1) rotate(360deg); }
}

@keyframes sbLoaderFadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

/* ========================================
   CONTENT ENTRY (after loader)
   ======================================== */

/* Hide content until loaded */
body:not(.is-loaded) #main-content {
    opacity: 0;
}

body:not(.is-loaded) .site-header {
    opacity: 0;
    transform: translateY(-10px);
}

body:not(.is-loaded) .site-footer {
    opacity: 0;
}

/* Reveal animations */
body.is-loaded #main-content {
    animation: sbContentReveal 0.7s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

body.is-loaded .site-header {
    animation: sbHeaderReveal 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.1s forwards;
}

body.is-loaded .site-footer {
    animation: sbFooterReveal 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.15s forwards;
}

@keyframes sbContentReveal {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes sbHeaderReveal {
    0% {
        opacity: 0;
        transform: translateY(-10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes sbFooterReveal {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

/* ========================================
   PAGE TRANSITIONS
   ======================================== */

/* Transition bar (top of page) */
.sb-transition-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--yellow), var(--purple));
    z-index: 100000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

body.is-transitioning .sb-transition-bar {
    opacity: 1;
    animation: sbTransitionBarProgress 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes sbTransitionBarProgress {
    0% { width: 0%; }
    100% { width: 75%; }
}

/* Content fade-out during transition */
body.is-transitioning #main-content {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

body.is-transitioning .site-footer {
    opacity: 0;
    transition: opacity 0.25s ease;
}

/* ========================================
   MICRO-INTERACTIONS — CARDS
   ======================================== */

.shortcut-card,
.card {
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
                box-shadow 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.shortcut-card:hover,
.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.10);
}

.shortcut-card .card-media img,
.card .card-media img {
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.shortcut-card:hover .card-media img,
.card:hover .card-media img {
    transform: scale(1.04);
}

/* Review cards */
.review-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
                box-shadow 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.review-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
}

/* ========================================
   MICRO-INTERACTIONS — BUTTONS
   ======================================== */

.btn {
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1),
                box-shadow 0.3s cubic-bezier(0.25, 0.8, 0.25, 1),
                background-color 0.3s ease,
                color 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
    transition-duration: 0.1s;
}

/* ========================================
   MICRO-INTERACTIONS — LINKS (underline ::after)
   ======================================== */

/* Footer column links — underline disabled, handled in footer.css */

/* Nav links underline */
.site-header__nav > ul > li > a {
    position: relative;
}

.site-header__nav > ul > li > a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--yellow);
    transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1),
                left 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.site-header__nav > ul > li > a:hover::after {
    width: 100%;
    left: 0;
}

/* ========================================
   MICRO-INTERACTIONS — SOCIAL & PARTNERS
   ======================================== */

/* Social links in footer — handled in footer.css */

/* Partner logos */
.block-partners-logos img,
.partner-logo {
    transition: opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1),
                transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0.65;
}

.block-partners-logos img:hover,
.partner-logo:hover {
    opacity: 1;
    transform: scale(1.06);
}

/* ========================================
   MICRO-INTERACTIONS — TAGS & BADGES
   ======================================== */

.tag-badge {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.tag-badge:hover {
    transform: translateY(-2px);
}

/* FAQ items */
.faq-item {
    transition: box-shadow 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.faq-item:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
}

/* ========================================
   MICRO-INTERACTIONS — FORM INPUTS FOCUS
   ======================================== */

.form-group input,
.form-group select,
.form-group textarea {
    transition: border-color 0.3s ease,
                box-shadow 0.3s ease,
                transform 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    transform: translateY(-1px);
}

/* ========================================
   MICRO-INTERACTIONS — GALLERY ITEMS
   ======================================== */

.gallery-block__item img {
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

/* ========================================
   MICRO-INTERACTIONS — SLIDER BUTTONS
   ======================================== */

.slider-btn {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.slider-btn:hover {
    transform: scale(1.1);
}

.slider-btn:active {
    transform: scale(0.95);
}

/* ========================================
   MICRO-INTERACTIONS — SCROLL TO TOP
   ======================================== */

.scroll-to-top {
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.scroll-to-top:hover {
    transform: translateY(-3px) scale(1.05);
}

/* ========================================
   SCROLL REVEAL HINTS (will-change)
   ======================================== */

.block-section,
.block-media-block,
.block-cards-grid,
.block-cards-slider,
.block-formulas-cards,
.block-faq,
.block-contact-form,
.block-practical-info,
.block-reviews-slider,
.block-download-banner,
.block-partners-logos,
.block-social-follow {
    will-change: transform, opacity;
}

/* Sections containing parallax: no will-change (breaks background-attachment: fixed) */
.block-section:has(.block-parallax-banner) {
    will-change: auto !important;
    transform: none !important;
}

/* ========================================
   HERO PARALLAX HINT
   ======================================== */

.block-hero {
    overflow: hidden;
}

/* ========================================
   PARALLAX BACKGROUNDS
   ======================================== */

.block-parallax-banner__bg {
    background-size: cover;
    background-attachment: fixed;
}


/* ========================================
   REDUCED MOTION — ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    /* Loader: instant, no animation */
    .sb-loader__logo {
        opacity: 1;
        transform: none;
        animation: none;
    }

    .sb-loader__bar {
        opacity: 1;
        animation: none;
    }

    .sb-loader__progress {
        transition: none;
    }

    body.is-loaded .sb-loader {
        transition: opacity 0.2s ease;
        transform: none;
    }

    /* Content entry: instant */
    body:not(.is-loaded) #main-content,
    body:not(.is-loaded) .site-header,
    body:not(.is-loaded) .site-footer {
        opacity: 1;
        transform: none;
    }

    body.is-loaded #main-content,
    body.is-loaded .site-header,
    body.is-loaded .site-footer {
        animation: none;
        opacity: 1;
        transform: none;
    }

    /* Page transitions: no transforms */
    body.is-transitioning #main-content {
        transform: none;
        transition: opacity 0.2s ease;
    }

    body.is-transitioning .site-footer {
        transition: opacity 0.15s ease;
    }

    .sb-transition-bar {
        transition: none;
    }

    body.is-transitioning .sb-transition-bar {
        animation-duration: 0.2s;
    }

    /* Cards, buttons, links: no transforms */
    .shortcut-card,
    .card,
    .review-card,
    .btn,
    .tag-badge,
    .slider-btn,
    .scroll-to-top,
    .site-footer__social a,
    .block-partners-logos img,
    .partner-logo,
    .gallery-block__item img,
    .form-group input,
    .form-group select,
    .form-group textarea {
        transition: none !important;
    }

    .shortcut-card:hover,
    .card:hover,
    .review-card:hover,
    .btn:hover,
    .btn:active,
    .tag-badge:hover,
    .slider-btn:hover,
    .slider-btn:active,
    .scroll-to-top:hover,
    .site-footer__social a:hover,
    .block-partners-logos img:hover,
    .partner-logo:hover {
        transform: none !important;
    }

    .shortcut-card:hover .card-media img,
    .card:hover .card-media img,
    .gallery-block__item:hover img {
        transform: none !important;
    }

    /* Nav underline: no animation */
    .site-header__nav > ul > li > a::after {
        transition: none;
    }

    /* Parallax: disable fixed bg */
    .block-parallax-banner__bg {
        background-attachment: scroll;
    }

    /* Will-change: remove */
    .block-section,
    .block-media-block,
    .block-cards-grid,
    .block-cards-slider,
    .block-formulas-cards,
    .block-faq,
    .block-contact-form,
    .block-practical-info,
    .block-reviews-slider,
    .block-download-banner,
    .block-partners-logos,
    .block-social-follow {
        will-change: auto;
    }
}