/* ============================================
   ANIMATIONS
   ============================================ */

/* Fade In Up — used by Intersection Observer in JS */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Glow Pulse — for hero image glow */
@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.05);
    }
}

/* Shimmer Text — gradient text animation for hero name */
@keyframes shimmerText {
    0% {
        background-position: 100% 50%;
    }
    50% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 100% 50%;
    }
}

/* Bounce — for scroll indicator */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* Float — subtle floating for elements */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

/* Section initial state for navigation transitions */
section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Hero doesn't need scroll animation — always visible */
.hero-section {
    opacity: 1;
    transform: none;
    animation: fadeInUp 0.8s ease forwards;
}

/* Stats bar animation */
.stats-bar {
    animation: fadeInUp 0.8s ease 0.3s forwards;
    opacity: 0;
}

/* ============================================
   PAGE PRELOADER
   ============================================ */
.page-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary, #ffffff);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.preloader-logo {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary, #0f172a);
    letter-spacing: -1px;
}

.preloader-logo span {
    color: #7c3aed;
}

.preloader-bar {
    width: 120px;
    height: 3px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    overflow: hidden;
}

.preloader-bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #7c3aed, #a78bfa);
    border-radius: 10px;
    animation: preloaderFill 1.2s ease forwards;
}

@keyframes preloaderFill {
    0% { width: 0%; }
    60% { width: 70%; }
    100% { width: 100%; }
}