/* VNX Travel Footprints - Main Styles */

/* CSS Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* VNX Brand Colors */
    --primary-blue: #3B82F6;
    --primary-blue-dark: #2563EB;
    --primary-blue-light: #60A5FA;
    --accent-green: #10B981;
    --accent-coral: #F59E0B;
    --neutral-white: #FFFFFF;
    --neutral-gray-50: #F9FAFB;
    --neutral-gray-100: #F3F4F6;
    --neutral-gray-200: #E5E7EB;
    --neutral-gray-300: #D1D5DB;
    --neutral-gray-400: #9CA3AF;
    --neutral-gray-500: #6B7280;
    --neutral-gray-600: #4B5563;
    --neutral-gray-700: #374151;
    --neutral-gray-800: #1F2937;
    --neutral-gray-900: #111827;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-secondary: 'Roboto', system-ui, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Base Typography */
body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--neutral-gray-900);
    background-color: var(--neutral-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    color: var(--neutral-gray-900);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--neutral-gray-600);
}

/* Links */
a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-blue-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    gap: var(--spacing-sm);
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--neutral-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--neutral-white);
}

.btn-secondary {
    background-color: var(--neutral-white);
    color: var(--primary-blue);
    border: 1px solid var(--neutral-gray-300);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--neutral-gray-50);
    border-color: var(--primary-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--primary-blue-dark);
}

.btn-accent {
    background-color: var(--accent-green);
    color: var(--neutral-white);
    box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
    background-color: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--neutral-white);
}

/* Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Cards */
.card {
    background-color: var(--neutral-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-gray-200);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--neutral-gray-200);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--neutral-gray-200);
    background-color: var(--neutral-gray-50);
}

/* Stats Cards */
.stat-card {
    background: var(--neutral-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-gray-200);
    text-align: center;
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--neutral-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Navigation */
.navbar {
    background-color: var(--neutral-white);
    border-bottom: 1px solid var(--neutral-gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-gray-900);
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--primary-blue);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-link {
    color: var(--neutral-gray-600);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
    background-color: rgba(59, 130, 246, 0.1);
}

/* Hero Map Section */
.hero-map {
    position: relative;
    height: 70vh;
    min-height: 500px;
    overflow: hidden;
}

.hero-map-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(59, 130, 246, 0.85) 0%,
        rgba(37, 99, 235, 0.75) 50%,
        rgba(59, 130, 246, 0.65) 100%
    );
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 3;
    color: var(--neutral-white);
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    color: var(--neutral-white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-actions .btn {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.hero-actions .btn-primary {
    background: rgba(255, 255, 255, 0.95);
    color: var(--primary-blue);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-actions .btn-primary:hover {
    background: var(--neutral-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.hero-actions .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--neutral-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.hero-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

/* Footprint markers for hero map */
.footprint-marker {
    width: 24px;
    height: 24px;
    background: var(--accent-green);
    border-radius: 50%;
    border: 3px solid var(--neutral-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

.footprint-marker::before {
    content: '👣';
    font-size: 12px;
}

/* Sign-in prompt overlay */
.signin-prompt {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    z-index: 4;
    max-width: 300px;
}

.signin-prompt h4 {
    color: var(--neutral-gray-900);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.signin-prompt p {
    color: var(--neutral-gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.signin-prompt .btn {
    width: 100%;
    justify-content: center;
}

/* Map Section */
.map-container {
    background-color: var(--neutral-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--neutral-gray-200);
}

.map-placeholder {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px dashed var(--neutral-gray-300);
    border-radius: var(--radius-lg);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-gray-500);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.map-placeholder:hover {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
}

#map {
    border-radius: var(--radius-lg);
    min-height: 400px;
    box-shadow: var(--shadow-md);
}

/* Travel Cards */
.travel-card {
    background: var(--neutral-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-gray-200);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.travel-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.travel-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.travel-card-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-white);
    font-size: 1.25rem;
}

.travel-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--neutral-gray-900);
    margin-bottom: var(--spacing-xs);
}

.travel-card-date {
    font-size: 0.875rem;
    color: var(--neutral-gray-500);
}

.travel-card-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--neutral-gray-200);
}

.travel-distance {
    font-weight: 600;
    color: var(--accent-green);
}

/* Timeline */
.timeline {
    position: relative;
    padding: var(--spacing-lg) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: var(--spacing-lg);
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-blue);
}

.timeline-item {
    position: relative;
    padding-left: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
    animation: slideIn 0.6s ease-out;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(var(--spacing-lg) - 6px);
    top: var(--spacing-sm);
    width: 12px;
    height: 12px;
    background: var(--primary-blue);
    border-radius: 50%;
    border: 3px solid var(--neutral-white);
    box-shadow: 0 0 0 1px var(--neutral-gray-300);
}

/* Footer */
.footer {
    background-color: var(--neutral-gray-900);
    color: var(--neutral-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: var(--neutral-white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--neutral-gray-400);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--neutral-white);
}

.footer-bottom {
    border-top: 1px solid var(--neutral-gray-700);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--neutral-gray-400);
}

.vnx-brand {
    color: var(--primary-blue-light);
    font-weight: 600;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

/* Hidden classes for view switching */
.hidden { display: none !important; }
.view-content { animation: fadeIn 0.3s ease-out; }

/* Responsive Design */
@media (max-width: 768px) {
    .hero-map {
        height: 50vh;
        min-height: 400px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .signin-prompt {
        bottom: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .navbar-nav {
        display: none;
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .timeline::before {
        left: var(--spacing-sm);
    }
    
    .timeline-item {
        padding-left: var(--spacing-2xl);
    }
    
    .timeline-item::before {
        left: calc(var(--spacing-sm) - 6px);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .travel-card-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
}