/* ============================================
   animations.css - Animacoes intro + scroll
   ============================================ */

/* ---------- Intro Overlay ---------- */
.intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    overflow: hidden;
    transition: opacity 1.2s ease;
}

.intro-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.intro-overlay.hidden {
    display: none;
}

/* Photo grid */
.intro-photo-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 4px;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.intro-photo-grid.visible {
    opacity: 1;
}

.intro-photo-cell {
    overflow: hidden;
    position: relative;
}

.intro-photo-cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: sepia(40%) brightness(80%);
    transition: all 0.8s ease;
}

.intro-photo-grid.converging .intro-photo-cell img {
    filter: sepia(60%) brightness(60%) blur(8px);
    transform: scale(1.2);
}

/* Center memorial text */
.intro-center-content {
    position: relative;
    z-index: 10;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1.5s ease, transform 1.5s ease;
}

.intro-center-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.intro-names {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 3rem;
    color: #C8A96E;
    font-weight: 700;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
    margin-bottom: 0.5rem;
}

.intro-memorial-msg {
    font-family: 'Lora', Georgia, serif;
    font-size: 1.2rem;
    color: rgba(250, 246, 240, 0.8);
    font-style: italic;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.8);
}

.intro-dates {
    font-family: 'Lora', Georgia, serif;
    font-size: 0.9rem;
    color: rgba(200, 169, 110, 0.7);
    margin-top: 0.5rem;
    letter-spacing: 2px;
}

/* Skip button */
.intro-skip-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 10000;
    background: rgba(200, 169, 110, 0.3);
    border: 1px solid rgba(200, 169, 110, 0.5);
    color: rgba(250, 246, 240, 0.8);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-family: 'Lora', Georgia, serif;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.intro-skip-btn:hover {
    background: rgba(200, 169, 110, 0.6);
    color: #FAF6F0;
}

.intro-skip-btn.hidden {
    display: none;
}

/* Fallback particles */
.intro-fallback {
    background: linear-gradient(135deg, #2C1810, #4A3728, #2C1810);
}

.intro-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(200, 169, 110, 0.3);
    border-radius: 50%;
    animation: floatParticle 6s infinite ease-in-out;
}

@keyframes floatParticle {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    50% { transform: translateY(-100px) translateX(30px); }
}

/* ---------- Scroll Reveal Animations ---------- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays for children */
.stagger-children > *:nth-child(1) { transition-delay: 0s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.5s; }
.stagger-children > *:nth-child(7) { transition-delay: 0.6s; }
.stagger-children > *:nth-child(8) { transition-delay: 0.7s; }

/* ---------- Fade transition for dynamic content ---------- */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* ---------- Pulse for notifications ---------- */
.pulse-badge {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(200, 169, 110, 0.5); }
    70% { box-shadow: 0 0 0 10px rgba(200, 169, 110, 0); }
    100% { box-shadow: 0 0 0 0 rgba(200, 169, 110, 0); }
}

/* ---------- Photo hover shine ---------- */
.photo-shine {
    position: relative;
    overflow: hidden;
}

.photo-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 60%
    );
    transform: rotate(45deg);
    transition: transform 0.6s ease;
}

.photo-shine:hover::after {
    transform: rotate(45deg) translate(50%, 50%);
}

/* ---------- Timeline entry animation ---------- */
.timeline-entry.scroll-reveal-left .timeline-content,
.timeline-entry.scroll-reveal-right .timeline-content {
    opacity: 0;
}

.timeline-entry.scroll-reveal-left.revealed .timeline-content,
.timeline-entry.scroll-reveal-right.revealed .timeline-content {
    opacity: 1;
}

/* ---------- Responsive animation adjustments ---------- */
@media (prefers-reduced-motion: reduce) {
    .scroll-reveal,
    .scroll-reveal-left,
    .scroll-reveal-right,
    .scroll-reveal-scale {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .intro-overlay {
        display: none !important;
    }

    .intro-skip-btn {
        display: none !important;
    }

    .pulse-badge {
        animation: none;
    }

    .intro-particle {
        animation: none;
    }
}

@media (max-width: 767.98px) {
    .intro-photo-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(4, 1fr);
    }

    .intro-names {
        font-size: 2rem;
    }

    .intro-memorial-msg {
        font-size: 1rem;
    }
}