/* =====================================================
   Propertype — Animations & Micro-interactions
   Lightweight GSAP-compatible + Pure CSS fallbacks
   ===================================================== */

/* =====================================================
   1. KEYFRAME ANIMATIONS
   ===================================================== */

/* Float — for hero orbs */
@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

/* Shimmer — skeleton loading */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Fade in up — scroll reveal fallback */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade in */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Slide in from right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide in from left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale in */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Pulse */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Count up glow */
@keyframes countGlow {
    0% { text-shadow: 0 0 0 transparent; }
    50% { text-shadow: 0 0 20px rgba(16, 185, 129, 0.3); }
    100% { text-shadow: 0 0 0 transparent; }
}

/* Spin — loading spinner */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Bounce */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Gradient shift */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* =====================================================
   2. SCROLL REVEAL CLASSES (CSS-only fallback)
   Works with IntersectionObserver in JS
   ===================================================== */

/* Elements start hidden, animate when .revealed is added */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger delays for grid items */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s; }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.3s; }
.stagger-7 { transition-delay: 0.35s; }
.stagger-8 { transition-delay: 0.4s; }
.stagger-9 { transition-delay: 0.45s; }
.stagger-10 { transition-delay: 0.5s; }
.stagger-11 { transition-delay: 0.55s; }
.stagger-12 { transition-delay: 0.6s; }

/* =====================================================
   3. HOVER MICRO-INTERACTIONS
   ===================================================== */

/* Image zoom on hover */
.hover-zoom {
    overflow: hidden;
}

.hover-zoom img {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-zoom:hover img {
    transform: scale(1.08);
}

/* Card lift */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* Glow effect on hover */
.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: var(--shadow-glow-strong);
}

/* Border accent on hover */
.hover-border {
    transition: border-color var(--transition-fast);
}

.hover-border:hover {
    border-color: var(--accent-primary);
}

/* =====================================================
   4. LOADING SPINNER
   ===================================================== */
.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-glass);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.loading-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* =====================================================
   5. PAGE TRANSITIONS
   ===================================================== */
.page-enter {
    animation: fadeInUp 0.4s ease forwards;
}

/* =====================================================
   6. TOOLTIP
   ===================================================== */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    padding: 6px 12px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
    z-index: 100;
}

[data-tooltip]:hover::after {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* =====================================================
   7. COUNTER ANIMATION (for stats)
   ===================================================== */
.count-up {
    display: inline-block;
    animation: countGlow 1s ease-out;
}

/* =====================================================
   8. MODAL ANIMATION
   ===================================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    max-width: 560px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 2001;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-xl);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-white);
    border-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.1);
}

/* =====================================================
   9. NOTIFICATION TOAST
   ===================================================== */
.toast-container {
    position: fixed;
    top: calc(var(--header-height) + var(--space-md));
    right: var(--space-lg);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: 14px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-width: 280px;
    animation: slideInRight 0.3s ease forwards;
    backdrop-filter: var(--glass-blur);
}

.toast-success { border-left: 3px solid var(--accent-success); }
.toast-error { border-left: 3px solid var(--accent-red); }
.toast-warning { border-left: 3px solid var(--accent-warm); }
.toast-info { border-left: 3px solid var(--accent-blue); }

.toast-exit {
    animation: slideInRight 0.3s ease reverse forwards;
}

/* =====================================================
   10. IMAGE GALLERY LIGHTBOX
   ===================================================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    animation: scaleIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.3rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }