/* ==========================================
   ANIMATIONS.CSS - All Animations
   ========================================== */

/* Loader Logo Animation - Pop In, Hold, Then Move Up */
@keyframes slideToCenter {
    0% {
        opacity: 0;
        /* Start Centered */
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        height: clamp(3rem, 8vw, 5rem);
    }
    20% {
        /* Quick Fade In */
        opacity: 1;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        height: clamp(3rem, 8vw, 5rem);
    }
    70% {
        /* Hold in Center */
        opacity: 1;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        height: clamp(3rem, 8vw, 5rem);
    }
    100% {
        opacity: 1;
        left: 50%;
        
        /* Move to Header Position (matches padding) */
        top: 2rem; 
        
        /* Remove vertical centering so it sits exactly at top: 2rem */
        transform: translate(-50%, 0);
        
        /* Shrink to final logo size */
        height: 2.25rem; 
    }
}

/* Logo Fade In */
@keyframes logoFadeIn {
    to {
        opacity: 1;
    }
}

/* Bounce Arrow */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-15px);
    }
    60% {
        transform: translateY(-8px);
    }
}

/* Marquee Scroll */
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Fade In */
@keyframes fadeIn {
    to { opacity: 1; }
}

/* Zoom In (for lightbox) */
@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Image Load Animation */
@keyframes imageLoad {
    to { opacity: 1; }
}

/* Scroll Hint Pulse */
@keyframes fadeInOut {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

/* Image Reveal - Fade and Slide Up */
@keyframes revealUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Image Reveal - Fade and Slide In from Left */
@keyframes revealLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Image Reveal - Scale Up */
@keyframes revealScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Blur to Sharp Image Load */
@keyframes blurToSharp {
    from {
        opacity: 0;
        filter: blur(20px);
        transform: scale(1.05);
    }
    to {
        opacity: 1;
        filter: blur(0);
        transform: scale(1);
    }
}

/* Parallax Float */
@keyframes parallaxFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Stagger reveal classes */
.reveal-item {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger delays for cards */
.reveal-item:nth-child(1) { transition-delay: 0ms; }
.reveal-item:nth-child(2) { transition-delay: 100ms; }
.reveal-item:nth-child(3) { transition-delay: 200ms; }
.reveal-item:nth-child(4) { transition-delay: 300ms; }
.reveal-item:nth-child(5) { transition-delay: 400ms; }
.reveal-item:nth-child(6) { transition-delay: 500ms; }
.reveal-item:nth-child(7) { transition-delay: 600ms; }
.reveal-item:nth-child(8) { transition-delay: 700ms; }
.reveal-item:nth-child(9) { transition-delay: 800ms; }
.reveal-item:nth-child(10) { transition-delay: 900ms; }

/* Magnetic button effect */
.magnetic-btn {
    transition: transform 0.3s ease;
}

/* Theme toggle button */
.theme-toggle {
    position: fixed;
    top: 2rem;
    left: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(136, 136, 136, 0.1);
    border: 1px solid rgba(136, 136, 136, 0.2);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    background: rgba(136, 136, 136, 0.2);
    transform: scale(1.1);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

/* Sun icon for dark mode */
.theme-toggle .sun-icon {
    display: block;
}

.theme-toggle .moon-icon {
    display: none;
}

/* Moon icon for light mode */
[data-theme="light"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: block;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .reveal-item {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .magnetic-btn {
        transition: none;
    }

    html, .section {
        scroll-behavior: auto;
    }
}