/* ==========================================
   SALO ANIMATIONS CSS
   IntersectionObserver-based entrance animations
   ========================================== */

/* Base state for animated elements */
.salo-animate {
    opacity: 0;
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.salo-animate.animated {
    opacity: 1 !important;
    transform: none !important;
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .salo-animate {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

/* ==========================================
   ANIMATION VARIANTS
   ========================================== */
[data-animation="fadeIn"] {
    opacity: 0;
}

[data-animation="fadeInUp"] {
    opacity: 0;
    transform: translateY(18px);
}

[data-animation="fadeInDown"] {
    opacity: 0;
    transform: translateY(-18px);
}

[data-animation="fadeInLeft"] {
    opacity: 0;
    transform: translateX(-18px);
}

[data-animation="fadeInRight"],
[data-animation="slideInRight"] {
    opacity: 0;
    transform: translateX(18px);
}

[data-animation="zoomIn"] {
    opacity: 0;
    transform: scale(0.85);
}

[data-animation="zoomInUp"] {
    opacity: 0;
    transform: scale(0.85) translateY(30px);
}

[data-animation="flipInX"] {
    opacity: 0;
    transform: rotateX(90deg);
    transform-origin: center top;
}

[data-animation="scaleUp"] {
    opacity: 0;
    transform: scale(0.6);
}

/* ==========================================
   HOVER EFFECTS (Applied to all cards)
   ========================================== */
.salo-hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.salo-hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

/* ==========================================
   IMAGE ZOOM EFFECT
   ========================================== */
.salo-img-zoom {
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.salo-img-zoom img {
    transition: transform 0.6s ease;
}

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

/* ==========================================
   BUTTON RIPPLE EFFECT
   ========================================== */
.btn {
    position: relative;
    overflow: hidden;
}

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: scale(0);
    animation: ripple-anim 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-anim {
    to { transform: scale(4); opacity: 0; }
}

/* ==========================================
   ICON ANIMATIONS
   ========================================== */
.icon-spin { animation: icon-spin 2s linear infinite; }
@keyframes icon-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.icon-pulse { animation: icon-pulse 1.5s ease-in-out infinite; }
@keyframes icon-pulse {
    0%, 100% { transform: scale(1); }
    50%       { transform: scale(1.15); }
}

.icon-bounce { animation: icon-bounce 1s ease infinite; }
@keyframes icon-bounce {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-6px); }
}

/* ==========================================
   GRADIENT ANIMATION (Hero & Sections)
   ========================================== */
.salo-gradient-animate {
    background-size: 200% 200%;
    animation: gradient-shift 6s ease infinite;
}

@keyframes gradient-shift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ==========================================
   SHIMMER SKELETON (Loading States)
   ========================================== */
.salo-skeleton {
    background: linear-gradient(90deg, var(--salo-border) 25%, var(--salo-beige) 50%, var(--salo-border) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

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

/* ==========================================
   STAGGER DELAYS (applied via data-delay)
   ========================================== */
[data-delay="0"]   { transition-delay: 0ms;  }
[data-delay="100"] { transition-delay: 40ms; }
[data-delay="200"] { transition-delay: 80ms; }
[data-delay="300"] { transition-delay: 120ms; }
[data-delay="400"] { transition-delay: 160ms; }
[data-delay="500"] { transition-delay: 200ms; }
[data-delay="600"] { transition-delay: 240ms; }

/* ==========================================
   PARALLAX HINT
   ========================================== */
.salo-parallax {
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}

@media (max-width: 768px) {
    .salo-parallax { background-attachment: scroll; }
}

/* ==========================================
   SCROLL PROGRESS BAR
   ========================================== */
#salo-scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--salo-primary), var(--salo-secondary));
    z-index: 9999;
    transition: width 0.1s ease;
}