/* =====================================================================
   YOUNICCAFE — ANIMATION SYSTEM
   Scroll-reveal utilities (paired with IntersectionObserver in
   animations.js), keyframes, and hover-state motion. Reveal groups are
   applied per section-cluster, not per individual element, so entrances
   read as one orchestrated moment rather than scattered fades.
   ===================================================================== */

/* ---- Scroll reveal base states ---- */

[data-reveal] {
    opacity: 0;
    transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
    will-change: transform, opacity;
}

[data-reveal="up"]    { transform: translateY(36px); }
[data-reveal="left"]  { transform: translateX(-36px); }
[data-reveal="right"] { transform: translateX(36px); }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal="fade"]  { transform: none; }

[data-reveal].is-revealed {
    opacity: 1;
    transform: none;
}

/* Stagger children of a revealed group (e.g. product grid, category grid) */
[data-reveal-group] > * {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}
[data-reveal-group].is-revealed > * { opacity: 1; transform: none; }
[data-reveal-group].is-revealed > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-group].is-revealed > *:nth-child(2) { transition-delay: 60ms; }
[data-reveal-group].is-revealed > *:nth-child(3) { transition-delay: 120ms; }
[data-reveal-group].is-revealed > *:nth-child(4) { transition-delay: 180ms; }
[data-reveal-group].is-revealed > *:nth-child(5) { transition-delay: 240ms; }
[data-reveal-group].is-revealed > *:nth-child(6) { transition-delay: 300ms; }
[data-reveal-group].is-revealed > *:nth-child(n+7) { transition-delay: 340ms; }

/* ---- Hero entrance (one orchestrated sequence, not reused elsewhere) ---- */

@keyframes hero-fade-up {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes hero-image-reveal {
    from { opacity: 0; transform: scale(1.08) translateY(18px); clip-path: inset(8% 8% 8% 8% round 28px); }
    to   { opacity: 1; transform: scale(1) translateY(0); clip-path: inset(0% 0% 0% 0% round 28px); }
}
@keyframes hero-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-14px) rotate(3deg); }
}

.hero__eyebrow  { animation: hero-fade-up var(--dur-slow) var(--ease) 100ms both; }
.hero__title    { animation: hero-fade-up var(--dur-slow) var(--ease) 220ms both; }
.hero__subtitle { animation: hero-fade-up var(--dur-slow) var(--ease) 340ms both; }
.hero__actions  { animation: hero-fade-up var(--dur-slow) var(--ease) 440ms both; }
.hero__stats    { animation: hero-fade-up var(--dur-slow) var(--ease) 540ms both; }
.hero__image    { animation: hero-image-reveal 1100ms var(--ease) 260ms both; }
.hero__floater  { animation: hero-float 6s var(--ease) infinite; }
.hero__floater--slow { animation-duration: 8.5s; animation-delay: 1.2s; }

/* ---- Loading / skeleton ---- */

@keyframes skeleton-sweep {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ---- Page loader ---- */

.page-loader {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--dur-med) var(--ease), visibility var(--dur-med);
}
.page-loader.is-hidden { opacity: 0; visibility: hidden; }

.page-loader__mark {
    font-family: var(--font-display);
    font-size: 32px;
    color: var(--light);
    letter-spacing: 0.02em;
    position: relative;
}
.page-loader__mark::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -8px;
    height: 2px;
    background: var(--accent);
    transform-origin: left;
    animation: loader-bar 1.1s var(--ease) infinite;
}
@keyframes loader-bar {
    0%   { transform: scaleX(0); }
    50%  { transform: scaleX(1); }
    100% { transform: scaleX(1); transform-origin: right; opacity: 0; }
}

/* ---- Add-to-cart feedback ---- */

@keyframes pulse-once {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.18); }
    100% { transform: scale(1); }
}
.icon-btn.is-pulsing { animation: pulse-once 420ms var(--ease); }

@keyframes fly-to-cart {
    0%   { opacity: 1; transform: translate(0, 0) scale(1); }
    100% { opacity: 0; transform: var(--fly-target, translate(200px, -200px)) scale(0.2); }
}
.fly-ghost {
    position: fixed;
    z-index: 600;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    overflow: hidden;
    pointer-events: none;
    animation: fly-to-cart 700ms var(--ease) forwards;
}

/* ---- Counters ---- */

.counter { font-family: var(--font-display); font-variant-numeric: tabular-nums; }

/* ---- Decorative floating background shapes ---- */

.deco-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.35;
    pointer-events: none;
    z-index: 0;
}

@keyframes drift {
    0%, 100% { transform: translate(0, 0); }
    50%      { transform: translate(24px, -30px); }
}
.deco-drift { animation: drift 12s var(--ease) infinite; }

/* =====================================================================
   REDUCED MOTION
   ===================================================================== */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    [data-reveal], [data-reveal-group] > * {
        opacity: 1 !important;
        transform: none !important;
    }
    .hero__floater, .deco-drift { animation: none !important; }
}