/* ══════════════════════════════════════════════════════════════
   BAVADA TRUST — ANIMATIONS
   All keyframes + motion utilities. Respects prefers-reduced-motion
   via responsive.css override.
   ══════════════════════════════════════════════════════════════ */

/* Scroll Reveal — triggered by IntersectionObserver in main.js */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.75s ease-out, transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* Hero slow zoom */
@keyframes slowZoom {
    from { transform: scale(1); }
    to   { transform: scale(1.06); }
}

/* Pulse ring on donate button */
@keyframes pulse-ring {
    0%   { box-shadow: 0 0 0 0 rgba(232,87,26,0.40); }
    70%  { box-shadow: 0 0 0 10px rgba(232,87,26,0); }
    100% { box-shadow: 0 0 0 0 rgba(232,87,26,0); }
}
.btn-pulse { animation: pulse-ring 2.5s ease infinite; }

/* Loading progress bar (splash screen) */
.splash-loader {
    position: fixed;
    inset: 0;
    background: var(--c-surface);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
.splash-loader.fade-out { opacity: 0; visibility: hidden; }
.loader-logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--c-text);
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}
.loader-bar {
    width: 140px; height: 3px;
    background: var(--c-bg);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}
.loader-progress {
    height: 100%;
    background: var(--c-accent);
    width: 0;
    border-radius: 2px;
    animation: progressFill 1.8s cubic-bezier(0.16,1,0.3,1) forwards;
}
@keyframes progressFill {
    from { width: 0%; }
    to   { width: 100%; }
}

/* Skeleton shimmer */
@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}