/* Aviation Intelligence Weekly - Site Styles */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --bg-hover: #243044;

    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-orange: #f59e0b;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;

    /* Badge colors */
    --badge-weekly: #3b82f6;
    --badge-earnings: #10b981;
    --badge-history: #6b7280;

    /* Category colors */
    --category-major: #3b82f6;
    --category-lcc: #f59e0b;
    --category-manufacturer: #8b5cf6;
    --category-leasing: #10b981;

    /* Platform colors */
    --apple-purple: #9933ff;
    --spotify-green: #1db954;
    --rss-orange: #f59e0b;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Container */
    --container-max: 1200px;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

img {
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style-position: inside;
}

/* ============================================
   Navigation
   ============================================ */
.main-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--bg-card);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-primary);
}

.nav-logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
}

.nav-logo-text {
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Mobile nav */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav-links {
        gap: var(--spacing-lg);
    }

    .nav-logo-text {
        display: none;
    }
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: var(--spacing-2xl) 0;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.hero-artwork {
    width: 280px;
    height: 280px;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.hero-text {
    flex: 1;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.tagline {
    font-size: 1.25rem;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-artwork {
        width: 200px;
        height: 200px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-description {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-apple {
    background: var(--apple-purple);
    color: white;
}

.btn-apple:hover {
    background: #a855f7;
    color: white;
}

.btn-spotify {
    background: var(--spotify-green);
    color: white;
}

.btn-spotify:hover {
    background: #1ed760;
    color: white;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--bg-hover);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.view-all {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.page-header {
    margin-bottom: var(--spacing-2xl);
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ============================================
   Episode Cards
   ============================================ */
.episodes-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.episode-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: background 0.2s ease;
}

.episode-card:hover {
    background: var(--bg-hover);
}

.episode-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.episode-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-weekly {
    background: var(--badge-weekly);
    color: white;
}

.badge-earnings {
    background: var(--badge-earnings);
    color: white;
}

.badge-history {
    background: var(--badge-history);
    color: white;
}

.episode-ticker {
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-orange);
}

.episode-ticker-link {
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-orange);
}

.episode-ticker-link:hover {
    background: var(--bg-hover);
}

.episode-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.episode-details {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.episode-player audio {
    width: 100%;
    height: 40px;
}

/* Episode rows (for list view) */
.episode-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.episode-row .episode-info {
    flex: 1;
}

.episode-row .episode-title {
    margin-bottom: var(--spacing-xs);
}

.episode-row .episode-meta {
    flex-wrap: wrap;
}

.episode-player-container {
    min-width: 300px;
}

.episode-player-container audio {
    width: 100%;
}

.episode-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
}

@media (max-width: 768px) {
    .episode-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .episode-player-container {
        width: 100%;
        min-width: auto;
    }
}

/* ============================================
   Episode Filters
   ============================================ */
.episodes-filter {
    margin-bottom: var(--spacing-xl);
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--bg-hover);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.filter-btn .count {
    opacity: 0.7;
}

/* ============================================
   Stats Section
   ============================================ */
.stats-section {
    padding: var(--spacing-2xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   Companies Preview
   ============================================ */
.companies-preview {
    padding: var(--spacing-2xl) 0;
}

.companies-ticker {
    margin-bottom: var(--spacing-lg);
}

.ticker-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.ticker-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.9rem;
}

.ticker-item.major {
    background: rgba(59, 130, 246, 0.2);
    color: var(--category-major);
}

.ticker-item.lcc {
    background: rgba(245, 158, 11, 0.2);
    color: var(--category-lcc);
}

.ticker-item.manufacturer {
    background: rgba(139, 92, 246, 0.2);
    color: var(--category-manufacturer);
}

.ticker-item.leasing {
    background: rgba(16, 185, 129, 0.2);
    color: var(--category-leasing);
}

.companies-description {
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Companies Grid
   ============================================ */
.companies-section {
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.company-card {
    display: block;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.company-card:hover {
    background: var(--bg-hover);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.company-ticker {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-sm);
}

.company-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.company-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.category-major, .category-major-airline {
    background: rgba(59, 130, 246, 0.2);
    color: var(--category-major);
}

.category-lcc, .category-low-cost-carrier {
    background: rgba(245, 158, 11, 0.2);
    color: var(--category-lcc);
}

.category-manufacturer {
    background: rgba(139, 92, 246, 0.2);
    color: var(--category-manufacturer);
}

.category-leasing {
    background: rgba(16, 185, 129, 0.2);
    color: var(--category-leasing);
}

.company-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ============================================
   Company Detail Page
   ============================================ */
.company-header {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--bg-card);
    margin-bottom: var(--spacing-2xl);
}

.company-title-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.company-title-row h1 {
    font-size: 2rem;
}

.company-ticker-large {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.company-category-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.company-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
}

.latest-performance {
    margin-top: var(--spacing-xl);
}

.latest-performance h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.performance-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    background: var(--bg-card);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    width: fit-content;
}

.performance-week {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.performance-price {
    font-size: 1.25rem;
    font-weight: 700;
}

.performance-change {
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.performance-change.positive {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
}

.performance-change.negative {
    background: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}

.company-section {
    margin-bottom: var(--spacing-2xl);
}

.company-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.section-intro {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.featured-episode {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.episode-player-large audio {
    width: 100%;
    margin-top: var(--spacing-md);
}

.earnings-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.no-content {
    color: var(--text-muted);
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    text-align: center;
}

.back-link {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--bg-card);
}

.back-link a {
    color: var(--text-secondary);
}

/* ============================================
   Subscribe Section
   ============================================ */
.subscribe-section {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    margin: var(--spacing-2xl) 0;
}

.subscribe-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.subscribe-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

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

.subscribe-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all 0.2s ease;
}

.subscribe-btn.apple {
    background: var(--apple-purple);
    color: white;
}

.subscribe-btn.apple:hover {
    background: #a855f7;
    color: white;
}

.subscribe-btn.spotify {
    background: var(--spotify-green);
    color: white;
}

.subscribe-btn.spotify:hover {
    background: #1ed760;
    color: white;
}

.subscribe-btn.rss {
    background: var(--rss-orange);
    color: white;
}

.subscribe-btn.rss:hover {
    background: #fbbf24;
    color: white;
}

/* ============================================
   About Page
   ============================================ */
.about-section {
    margin-bottom: var(--spacing-2xl);
}

.about-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.about-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--bg-card);
}

.feature-list li:last-child {
    border-bottom: none;
}

.hosts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.host-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.host-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.host-role {
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.host-card p:last-child {
    color: var(--text-secondary);
}

.company-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.category-group {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.category-group h3 {
    font-size: 1rem;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-md);
}

.category-group ul {
    list-style: none;
}

.category-group li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
}

.process-list {
    counter-reset: process;
    list-style: none;
}

.process-list li {
    counter-increment: process;
    padding: var(--spacing-md) 0;
    padding-left: var(--spacing-2xl);
    position: relative;
    border-bottom: 1px solid var(--bg-card);
}

.process-list li::before {
    content: counter(process);
    position: absolute;
    left: 0;
    width: 24px;
    height: 24px;
    background: var(--accent-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.disclaimer-box {
    background: var(--bg-card);
    border-left: 4px solid var(--accent-orange);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
}

.disclaimer-box p {
    margin-bottom: var(--spacing-md);
}

.disclaimer-box p:last-child {
    margin-bottom: 0;
}

.subscribe-cta {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--bg-card);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-section a {
    color: var(--text-secondary);
}

.footer-section a:hover {
    color: var(--text-primary);
}

.platform-links {
    display: flex;
    gap: var(--spacing-sm);
}

.platform-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
}

.platform-link.apple {
    background: var(--apple-purple);
    color: white;
}

.platform-link.spotify {
    background: var(--spotify-green);
    color: white;
}

.platform-link.rss {
    background: var(--rss-orange);
    color: white;
}

.disclaimer {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

.footer-bottom {
    max-width: var(--container-max);
    margin: var(--spacing-xl) auto 0;
    padding: var(--spacing-lg) var(--spacing-lg) 0;
    border-top: 1px solid var(--bg-card);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   Audio Player Styling
   ============================================ */
audio {
    filter: sepia(20%) saturate(70%) grayscale(1) contrast(99%) invert(12%);
    width: 100%;
    height: 40px;
}

audio::-webkit-media-controls-panel {
    background: var(--bg-secondary);
}

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

.hidden {
    display: none;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 640px) {
    .main-content {
        padding: var(--spacing-lg);
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .company-title-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .performance-card {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }
}