/* ============================================
   ANIMATIONS & KEYFRAMES
   Micro-interactions, reveal, fog, parallax
============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

@keyframes fogMove {
    0% { transform: translateX(-100%) scale(1.2); opacity: 0; }
    50% { opacity: 0.25; }
    100% { transform: translateX(200%) scale(1.2); opacity: 0; }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

@keyframes magneticPulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease-out;
}

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

/* Loader Animation */
.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader-wrapper.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.mountain-icon {
    font-size: 48px;
    color: var(--accent-forest);
    animation: float 2s infinite;
}

.loader-text {
    font-family: 'Marcellus', serif;
    font-size: 24px;
    letter-spacing: 8px;
    margin: 20px 0;
}

.loader-progress {
    width: 200px;
    height: 2px;
    background: var(--glass-border);
    overflow: hidden;
}

.loader-bar {
    width: 0%;
    height: 100%;
    background: var(--accent-sunset);
    animation: loaderProgress 2s ease forwards;
}

@keyframes loaderProgress {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* Fog Effect */
.fog-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,245,0.1) 0%, rgba(0,0,0,0) 80%);
    pointer-events: none;
    animation: fogMove 20s linear infinite;
    z-index: 2;
}

/* In assets/css/animation.css - Replace reveal section */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform, opacity;
}

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

/* Add delay support for staggered animations */
.reveal-on-scroll[data-delay="0.1"] { transition-delay: 0.1s; }
.reveal-on-scroll[data-delay="0.2"] { transition-delay: 0.2s; }
.reveal-on-scroll[data-delay="0.3"] { transition-delay: 0.3s; }
.reveal-on-scroll[data-delay="0.4"] { transition-delay: 0.4s; }
.reveal-on-scroll[data-delay="0.5"] { transition-delay: 0.5s; }



/* Lazy loading fade in */
.lazy {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lazy.loaded {
    opacity: 1;
}

/* Skeleton loading effect while images load */
.preview-img {
    background: linear-gradient(110deg, var(--glass-border) 8%, var(--bg-primary) 18%, var(--glass-border) 33%);
    background-size: 200% 100%;
    animation: shimmer 1.5s linear infinite;
}

.preview-img.loaded {
    background: none;
    animation: none;
}

/* Blog card shine effect */
.blog-card {
    position: relative;
    overflow: hidden;
}

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.6s ease;
    z-index: 1;
    pointer-events: none;
}

.blog-card:hover::before {
    left: 100%;
}

/* Newsletter form button pulse */
.newsletter-form button {
    position: relative;
    overflow: hidden;
}

.newsletter-form button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.newsletter-form button:active::after {
    width: 200px;
    height: 200px;
}

/* Newsletter success animation */
@keyframes checkmark {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.form-message.success i {
    animation: checkmark 0.3s ease;
}