/* ============================================
   VIDA Website — Animations
   ============================================ */

/* --- Scroll Reveal Animations --- */
.anim-fade-up,
.anim-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-smooth),
                transform 0.8s var(--ease-smooth);
}

.anim-fade-up.visible,
.anim-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }
[data-delay="6"] { transition-delay: 0.7s; }

/* --- Magnetic Button Effect (via JS) --- */
.btn-primary,
.btn-download {
    transition: all var(--duration-medium) var(--ease-smooth);
}

/* --- Card Tilt on Hover --- */
.about-card {
    transition: all var(--duration-medium) var(--ease-smooth),
                box-shadow var(--duration-medium) var(--ease-smooth);
}

/* --- Link hover slide --- */
.nav-link {
    position: relative;
    overflow: hidden;
}

/* --- FAQ smooth expand --- */
.faq-item {
    transition: border-color var(--duration-medium) var(--ease-smooth),
                box-shadow var(--duration-medium) var(--ease-smooth);
}

.faq-item.active {
    box-shadow: 0 4px 20px rgba(200, 164, 94, 0.08);
}

/* --- Timeline marker pulse --- */
.timeline-marker::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid var(--color-accent);
    opacity: 0;
    transition: all var(--duration-medium) var(--ease-smooth);
}

.timeline-item:hover .timeline-marker::after {
    inset: -8px;
    opacity: 0.3;
}

/* --- Smooth section transitions --- */
.section {
    transition: background-color 0.6s var(--ease-smooth);
}

/* --- Chatbot entrance --- */
.chatbot-toggle {
    transition: all var(--duration-medium) var(--ease-bounce);
}

.chatbot-toggle:hover {
    transform: scale(1.08);
}

.chatbot-toggle:active {
    transform: scale(0.95);
}

.chatbot-window {
    transition: all var(--duration-medium) var(--ease-smooth);
}

/* --- Hero text shimmer on load --- */
@keyframes shimmer-text {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.hero-title .title-word.accent {
    background: linear-gradient(90deg, 
        var(--color-accent) 0%, 
        var(--color-accent-light) 50%, 
        var(--color-accent) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer-text 4s linear infinite;
}

/* --- Step number hover ripple --- */
.step-number {
    position: relative;
}

.step-number::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 1px solid var(--color-accent);
    opacity: 0;
    transition: all var(--duration-medium) var(--ease-smooth);
}

.apply-step:hover .step-number::after {
    inset: -10px;
    opacity: 0.2;
}

/* --- Scroll progress bar --- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent), var(--color-accent-light));
    z-index: 10000;
    will-change: width;
    transform: translateZ(0);
}

/* --- Smooth cursor glow for cards --- */
.about-card .card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 164, 94, 0.06) 0%, transparent 70%);
    pointer-events: none;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--duration-fast);
}

.about-card:hover .card-glow {
    opacity: 1;
}

/* ============================================
   REDUCED MOTION — kill animations for users who ask
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    .anim-fade-up,
    .anim-reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}