/* Professional White Background Design */
/* Beautiful, clean, outstanding CSS for Flotilla Tracker */

:root {
    /* Professional Color Palette */
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #0891b2;
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Borders */
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--white);
    color: var(--gray-700);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color);
    text-decoration: none;
    font-family: var(--font-heading);
}

.brand-link:hover {
    color: var(--primary-dark);
}

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--gray-50);
}

.nav-link.active {
    color: var(--gray-900) !important;
    background-color: var(--gray-100);
    font-weight: 600;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Section - Clean & Professional */
.hero-section {
    background-color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--gray-900) !important;
    margin: 0 0 1.5rem 0;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin: 0 0 2.5rem 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-2px);
}

/* Stats Section */
.stats-section {
    background-color: var(--gray-50);
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.stat-content {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    font-family: var(--font-heading);
}

.stat-label {
    color: var(--gray-600);
    font-weight: 500;
    margin-top: 0.25rem;
}

/* Section Titles and All Headings */
.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900) !important;
    text-align: center;
    margin: 0 0 3rem 0;
}

/* Ensure all headings are black and visible */
h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900) !important;
    font-family: var(--font-heading);
}

.tracker-title {
    color: var(--gray-900) !important;
}

.info-section h2 {
    color: var(--gray-900) !important;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem 2rem;
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 1rem 0;
}

.feature-description {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Content Sections */
.content-section, .info-section {
    padding: 4rem 0;
    background-color: var(--gray-50);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.content-block {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.content-block h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 1rem 0;
}

/* Footer */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: 3rem 0 2rem;
}

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

.footer-brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--white);
    text-decoration: none;
    margin-bottom: 1rem;
}

.footer-title {
    color: var(--white);
    font-weight: 600;
    margin: 0 0 1rem 0;
    font-family: var(--font-heading);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-link {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--gray-800);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: var(--gray-400);
    margin: 0;
}

.footer-meta {
    color: var(--gray-500);
    margin: 0;
    font-size: 0.875rem;
}

/* Page-specific styles */
.page-hero {
    background-color: var(--gray-50);
    padding: 2rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.page-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 0.5rem 0;
}

.page-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin: 0;
}

.breadcrumb {
    margin-bottom: 2rem;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 0.5rem;
}

.breadcrumb-item {
    color: var(--gray-500);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: var(--gray-400);
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .nav-list {
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}

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

.stat-card,
.feature-card,
.content-block {
    animation: fadeInUp 0.6s ease-out;
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
.social-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* CRITICAL: Override any conflicting styles - MUST BE LAST */
/* ULTRA-AGGRESSIVE: Fix transparent text from enhanced-design.css */
html body h1,
html body h2,
html body h3,
html body h4,
html body h5,
html body h6,
html body .hero-title,
html body .section-title,
html body .page-title,
html body .tracker-title,
html body .feature-title,
html body .info-section h2,
html body .content-section h2,
html body .features-section h2 {
    /* Fix transparent text issue */
    color: #0f172a !important;
    -webkit-text-fill-color: #0f172a !important;
    text-fill-color: #0f172a !important;
    
    /* Disable gradient backgrounds */
    background: none !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    
    /* Force visibility */
    opacity: 1 !important;
    visibility: visible !important;
    display: block !important;
    
    /* Remove text shadows that might hide text */
    text-shadow: none !important;
    
    /* Ensure proper font weight */
    font-weight: 700 !important;
}

/* Specific overrides for main headings */
html body main h1,
html body main h2,
html body main h3,
html body main .hero-title,
html body main .section-title,
html body main .page-title {
    color: #0f172a !important;
    -webkit-text-fill-color: #0f172a !important;
    text-fill-color: #0f172a !important;
    background: none !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    text-shadow: none !important;
    font-weight: 700 !important;
}

/* Fix section titles specifically */
html body section h1,
html body section h2,
html body section h3,
html body .features-section .section-title,
html body .content-section .section-title,
html body .info-section h2 {
    color: #0f172a !important;
    -webkit-text-fill-color: #0f172a !important;
    background: none !important;
    -webkit-background-clip: initial !important;
    background-clip: initial !important;
    text-shadow: none !important;
}

/* Navigation active state override */
html body .nav-link.active {
    color: #0f172a !important;
    background-color: #f1f5f9 !important;
    font-weight: 600 !important;
    -webkit-text-fill-color: #0f172a !important;
}