/* ----------------------------------------------------
 * SUBHAM VENTURES - Premium Animation Definitions
 * ---------------------------------------------------- */

/* Page Preloader Overlay */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg);
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

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

.loader-logo {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.loader-logo span {
    color: var(--color-secondary);
}

.loader-bar {
    width: 200px;
    height: 3px;
    background-color: var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin: 0 auto;
    position: relative;
}

.loader-bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    position: absolute;
    top: 0;
    left: 0;
    animation: loadingBar 2s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}

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

/* Page Transition Curtains */
.page-transition-curtain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-primary);
    z-index: 99998;
    transform: translateY(100%);
    pointer-events: none;
    transition: transform var(--transition-slow);
}

.page-transition-curtain.active {
    transform: translateY(0);
}

/* Floating Animation */
.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

.animate-float-delayed {
    animation: floatDelayed 8s ease-in-out infinite;
}

@keyframes floatDelayed {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(-1.5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* Pulsating Animation */
.animate-pulse-custom {
    animation: pulseCustom 2.5s infinite;
}

@keyframes pulseCustom {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 86, 214, 0.4);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 15px rgba(0, 86, 214, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(0, 86, 214, 0);
    }
}

/* Shimmer Effect for Cards */
.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    background-image: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.3) 20%,
        rgba(255, 255, 255, 0.5) 60%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: shimmer 2.5s infinite;
    content: '';
}

@keyframes shimmer {
    100% { transform: translateX(100%); }
}

/* Infinite Marquee */
.marquee-container {
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    align-items: center;
    padding: 15px 0;
}

.marquee-content {
    display: inline-flex;
    animation: marquee 25s linear infinite;
}

.marquee-item {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(30, 41, 59, 0.1);
    margin-right: 50px;
    text-transform: uppercase;
}

@keyframes marquee {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

/* Scroll Indicator Mouse */
.scroll-indicator-mouse {
    width: 26px;
    height: 44px;
    border: 2px solid var(--color-primary);
    border-radius: 13px;
    display: inline-block;
    position: relative;
}

.scroll-indicator-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 8px;
    animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
    0% { opacity: 0; top: 8px; }
    30% { opacity: 1; }
    100% { opacity: 0; top: 22px; }
}

/* Background Gradients */
.gradient-bg-animate {
    background: linear-gradient(120deg, #ffffff, #f8fafc, #edf2f7, #f8fafc);
    background-size: 300% 300%;
    animation: gradientShift 10s ease infinite;
}

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