/* 
 * BaoMbao Craft — Animations v2.0 (Production)
 * Scroll-driven animations, transitions, and keyframes
 */

/* ========================================
   SCROLL ANIMATION BASE STATES
   ======================================== */

.animate-on-scroll,
.animate-fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity 0.65s var(--ease-out-expo),
        transform 0.65s var(--ease-out-expo);
}

.animate-fade-in {
    opacity: 0;
    transition: opacity 0.65s var(--ease-smooth);
}

.animate-scale-in {
    opacity: 0;
    transform: scale(0.94);
    transition:
        opacity 0.65s var(--ease-out-expo),
        transform 0.65s var(--ease-out-expo);
}

.animate-slide-left {
    opacity: 0;
    transform: translateX(-40px);
    transition:
        opacity 0.65s var(--ease-out-expo),
        transform 0.65s var(--ease-out-expo);
}

.animate-slide-right {
    opacity: 0;
    transform: translateX(40px);
    transition:
        opacity 0.65s var(--ease-out-expo),
        transform 0.65s var(--ease-out-expo);
}

/* ─── Visible States ─── */

.animate-on-scroll.is-visible,
.animate-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-in.is-visible {
    opacity: 1;
}

.animate-scale-in.is-visible {
    opacity: 1;
    transform: scale(1);
}

.animate-slide-left.is-visible,
.animate-slide-right.is-visible {
    opacity: 1;
    transform: translateX(0);
}

/* ─── Delay Variants ─── */

[data-delay="0"]    { transition-delay: 0ms; }
[data-delay="80"]   { transition-delay: 80ms; }
[data-delay="100"]  { transition-delay: 100ms; }
[data-delay="150"]  { transition-delay: 150ms; }
[data-delay="200"]  { transition-delay: 200ms; }
[data-delay="300"]  { transition-delay: 300ms; }
[data-delay="400"]  { transition-delay: 400ms; }
[data-delay="500"]  { transition-delay: 500ms; }
[data-delay="600"]  { transition-delay: 600ms; }
[data-delay="800"]  { transition-delay: 800ms; }

/* ========================================
   HERO ENTRANCE
   ======================================== */

.animate-hero .hero__eyebrow {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s var(--ease-out-expo) 0.3s forwards;
}

.animate-hero .hero__title {
    opacity: 0;
    transform: translateY(28px);
    animation: heroFadeUp 1s var(--ease-out-expo) 0.5s forwards;
}

.animate-hero .hero__text {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s var(--ease-out-expo) 0.75s forwards;
}

.animate-hero .hero__actions {
    opacity: 0;
    transform: translateY(16px);
    animation: heroFadeUp 0.7s var(--ease-out-expo) 0.95s forwards;
}

@keyframes heroFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   LIGHTBOX
   ======================================== */

.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.95);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    transform: scale(0.95);
    transition: transform 0.35s var(--ease-out-expo);
    box-shadow: 0 32px 80px rgba(0,0,0,0.6);
}

.lightbox-overlay.is-open .lightbox-img { transform: scale(1); }

.lightbox-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 44px; height: 44px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50%;
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition-fast), transform var(--transition-fast);
    cursor: pointer;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.1);
}

.lightbox-close svg { width: 18px; height: 18px; }

/* ========================================
   FLOAT ANIMATION
   ======================================== */

.float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-12px); }
}

/* ========================================
   SHIMMER / SKELETON LOADING
   ======================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--cream-mid) 25%,
        var(--cream-dark) 50%,
        var(--cream-mid) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

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

/* ========================================
   FORM FEEDBACK
   ======================================== */

.form-group--error .form-input,
.form-group--error .form-textarea,
.form-group--error .form-select {
    border-color: var(--error);
    background-color: rgba(176, 58, 46, 0.03);
}

.form-group--success .form-input,
.form-group--success .form-textarea {
    border-color: var(--success);
}

.form-error {
    display: block;
    font-size: var(--fs-caption);
    color: var(--error);
    margin-top: var(--space-xs);
    font-weight: 500;
}

/* ========================================
   CARD HOVER LIFTS (global)
   ======================================== */

.card-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   PULSE (notification dot)
   ======================================== */

.pulse {
    position: relative;
}

.pulse::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 8px; height: 8px;
    background: var(--amber);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%   { transform: scale(1); opacity: 1; }
    50%  { transform: scale(1.6); opacity: 0.4; }
    100% { transform: scale(1); opacity: 1; }
}

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

@media (prefers-reduced-motion: reduce) {
    .animate-on-scroll,
    .animate-fade-up,
    .animate-fade-in,
    .animate-scale-in,
    .animate-slide-left,
    .animate-slide-right {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
        animation: none !important;
    }

    .animate-hero .hero__eyebrow,
    .animate-hero .hero__title,
    .animate-hero .hero__text,
    .animate-hero .hero__actions {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
    }

    .float { animation: none; }
    .skeleton { animation: none; background: var(--cream-mid); }
}