/* ===== BASE & UTILITIES ===== */
html {
    scroll-behavior: smooth;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}
.fill-icon {
    font-variation-settings: 'FILL' 1;
}

/* ===== SKIP TO CONTENT (Accessibility) ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 9999;
    padding: 12px 24px;
    background: #e61919;
    color: #fff;
    font-weight: 600;
    border-radius: 0 0 8px 8px;
    transition: top 0.2s ease;
}
.skip-link:focus {
    top: 0;
}

/* ===== FOCUS VISIBLE ===== */
:focus-visible {
    outline: 2px solid #e61919;
    outline-offset: 2px;
    border-radius: 2px;
}

/* ===== MOBILE MENU ===== */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(25, 28, 30, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: #ffffff;
    z-index: 101;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.mobile-menu-panel.open {
    transform: translateX(0);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== CARD HOVER ===== */
.card-hover {
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.25s ease;
}
.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* ===== BUTTON PRESS ===== */
.btn-press {
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.btn-press:active {
    transform: scale(0.97);
}

/* ===== STICKY MOBILE CTA ===== */
.sticky-mobile-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 40;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-top: 1px solid #c6c6cd;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.sticky-mobile-cta.show {
    transform: translateY(0);
}

/* ===== CHART ===== */
.chart-container {
    position: relative;
    width: 100%;
    min-height: 280px;
}
@media (min-width: 768px) {
    .chart-container {
        min-height: 360px;
    }
}

/* ===== FILTER BUTTONS ===== */
.filter-btn.active {
    background-color: #e61919;
    color: #ffffff;
    border-color: #e61919;
}

/* ===== FORM STATES ===== */
.input-error {
    border-color: #ba1a1a !important;
}
.input-success {
    border-color: #006c4a !important;
}