/**
 * Vanya Tours & Travels - Ultra-Smooth UI & Transitions Stylesheet
 * Engineered for silky smooth micro-interactions, responsive fluid transitions & modern luxury UX
 */

:root {
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* 1. Base Reset & Smooth Scrolling */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Offset for sticky navigation */
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: #f8fafc;
    color: #1e293b;
    padding-bottom: 72px; /* Space for Mobile Sticky Action Bar */
    transition: background-color 0.3s ease;
}

@media (min-width: 1024px) {
    body {
        padding-bottom: 0;
    }
}

/* 2. Global Universal Transitions for Interactive Elements */
a, button, input, select, textarea {
    transition: all 0.2s var(--ease-smooth);
}

/* 3. Keyframe Animations */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.97) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes pulseGlow {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
        filter: drop-shadow(0 0 0px rgba(249, 115, 22, 0));
    }
    50% {
        opacity: 0.9;
        transform: scale(1.02);
        filter: drop-shadow(0 0 8px rgba(249, 115, 22, 0.4));
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes priceBump {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.06);
        color: #fb923c;
    }
    100% {
        transform: scale(1);
    }
}

.animate-fadeIn {
    animation: fadeInScale 0.3s var(--ease-smooth) forwards;
}

.animate-slideDown {
    animation: slideDown 0.25s var(--ease-smooth) forwards;
}

.animate-priceBump {
    animation: priceBump 0.25s var(--ease-spring);
}

/* 4. Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 9999px;
    transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Horizontal Touch Scrolling with Smooth Physics */
.scroll-touch {
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scroll-snap-type: x mandatory;
}

/* 5. Fluid Card Hovers & Image Zooms */
.card-hover {
    transition: transform 0.35s var(--ease-smooth), box-shadow 0.35s var(--ease-smooth), border-color 0.35s var(--ease-smooth);
    will-change: transform, box-shadow;
}

.card-hover:hover {
    transform: translateY(-4px);
}

@media (max-width: 640px) {
    .card-hover:hover {
        transform: none;
    }
}

.card-image-zoom {
    transition: transform 0.6s var(--ease-smooth);
    will-change: transform;
}

.group:hover .card-image-zoom {
    transform: scale(1.06);
}

/* 6. Safe Area Insets for Modern Mobile Screens */
.safe-bottom {
    padding-bottom: env(safe-area-inset-bottom, 12px);
}

/* 7. Modal Viewport Heights & Smooth Dialog Entrance */
.modal-dialog-content {
    max-height: calc(100vh - 2rem);
    max-height: calc(100dvh - 2rem);
    transition: transform 0.3s var(--ease-smooth), opacity 0.3s var(--ease-smooth);
}

/* 8. Ultra-Smooth Custom Range Sliders */
input[type="range"].custom-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 9999px;
    outline: none;
    margin: 10px 0;
    cursor: pointer;
    transition: background 0.15s ease-out, box-shadow 0.2s ease;
}

/* WebKit Slider Thumb (Chrome, Safari, Edge, Opera) */
input[type="range"].custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #f97316;
    cursor: pointer;
    border: 3px solid #ffffff;
    box-shadow: 0 4px 10px rgba(249, 115, 22, 0.45), 0 2px 4px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s var(--ease-spring), background-color 0.2s ease, box-shadow 0.2s ease;
    will-change: transform, box-shadow;
}

input[type="range"].custom-range::-webkit-slider-thumb:hover {
    transform: scale(1.22);
    background: #ea580c;
    box-shadow: 0 6px 16px rgba(234, 88, 12, 0.55), 0 2px 6px rgba(0, 0, 0, 0.2);
}

input[type="range"].custom-range::-webkit-slider-thumb:active {
    transform: scale(1.3);
    background: #c2410c;
    box-shadow: 0 8px 20px rgba(194, 65, 12, 0.65), 0 3px 8px rgba(0, 0, 0, 0.25);
}

/* Mozilla Firefox Slider Thumb */
input[type="range"].custom-range::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #f97316;
    cursor: pointer;
    border: 3px solid #ffffff;
    box-shadow: 0 4px 10px rgba(249, 115, 22, 0.45), 0 2px 4px rgba(0, 0, 0, 0.15);
    transition: transform 0.2s var(--ease-spring), background-color 0.2s ease, box-shadow 0.2s ease;
    will-change: transform, box-shadow;
}

input[type="range"].custom-range::-moz-range-thumb:hover {
    transform: scale(1.22);
    background: #ea580c;
}

input[type="range"].custom-range::-moz-range-thumb:active {
    transform: scale(1.3);
    background: #c2410c;
}

/* 9. Interactive Pill & Button Transitions */
.range-car-btn, .range-fuel-pill, .range-trip-tab, .bundle-filter-btn, .home-bundle-card {
    transition: all 0.25s var(--ease-smooth);
    will-change: transform, box-shadow, border-color, background-color;
}

.range-car-btn:hover, .range-fuel-pill:hover {
    transform: translateY(-2px);
}

.range-car-btn:active, .range-fuel-pill:active, .range-trip-tab:active {
    transform: scale(0.97);
}

/* 10. Table Smooth Hover */
table {
    border-spacing: 0;
    width: 100%;
}

tr {
    transition: background-color 0.18s ease;
}

th, td {
    vertical-align: middle;
}