/* =========================================
   BYMTEL ANIMATIONS & MICRO-INTERACTIONS
   "PhD Level" Polish
   ========================================= */

/* --- Keyframes --- */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 40px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(0, -15px, 0); }
    100% { transform: translate3d(0, 0, 0); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
    20%, 40%, 60%, 80% { transform: translateX(4px); }
}

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

/* --- Utility Classes --- */

/* Scroll Reveal Base */
.reveal-on-scroll {
    opacity: 0;
    will-change: opacity, transform;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-visible {
    opacity: 1;
}

/* Types of Reveals */
.reveal-fade-up {
    transform: translate3d(0, 40px, 0);
}
.reveal-fade-up.is-visible {
    transform: translate3d(0, 0, 0);
}

.reveal-scale {
    transform: scale(0.95);
}
.reveal-scale.is-visible {
    transform: scale(1);
}

/* Stagger Delays */
.stagger-1 { transition-delay: 100ms; }
.stagger-2 { transition-delay: 200ms; }
.stagger-3 { transition-delay: 300ms; }
.stagger-4 { transition-delay: 400ms; }
.stagger-5 { transition-delay: 500ms; }

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

.animate-shake {
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

/* --- Header Glassmorphism --- */
.site-header {
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease !important;
    will-change: padding, background-color, backdrop-filter;
    /* Default padding is controlled by HTML or Block Theme (approx 0.5rem / 8px) */
    /* We ensure min-height is set in critical.css for initial stability */
}

.site-header--scrolled {
    background-color: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    /* Compress Padding */
    padding-top: 0px !important; 
    padding-bottom: 0px !important;
    /* Note: content will center within min-height */
}

/* Dark mode support for glassmorphism */
@media (prefers-color-scheme: dark) {
    .site-header--scrolled {
        background-color: rgba(18, 18, 17, 0.85) !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    }
}

/* --- Button Hover Polish --- */
.wp-block-button__link {
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease, filter 0.2s ease !important;
}

.wp-block-button__link:hover {
    transform: translateY(-3px) !important;
    filter: brightness(1.1);
}

.wp-block-button__link:active {
    transform: translateY(-1px) !important;
}