/*
Theme Name: Ground Truth AI Podcast - Enhanced
Description: A bulletproof WordPress theme with sophisticated visual features and Apple-inspired design
Version: 2.5
Author: Manus AI
*/

/* CSS Variables - Apple-inspired Design System */
:root {
    --primary-color: #007AFF;
    --primary-hover: #0056CC;
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #AEAEB2;
    --background: #FFFFFF;
    --background-secondary: #F5F5F7;
    --background-tertiary: #FAFAFA;
    --border-color: #E5E5E7;
    --border-hover: #D1D1D6;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-heavy: 0 8px 40px rgba(0, 0, 0, 0.16);
    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 16px;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.7;
}

/* Container System */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
}

/* Header Styles */
.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-medium);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.site-logo img {
    height: 40px;
    width: auto;
    transition: var(--transition-fast);
}

.site-logo:hover img {
    transform: scale(1.05);
}

/* Navigation */
.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-navigation a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-small);
    transition: var(--transition-fast);
    position: relative;
}

.main-navigation a:hover {
    color: var(--primary-color);
    background: var(--background-secondary);
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.main-navigation a:hover::after {
    width: 80%;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .main-navigation ul {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .main-navigation a {
        padding: 0.75rem 1rem;
    }
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-medium);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    min-width: 120px;
}

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

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

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Card System */
.card {
    background: var(--background);
    border-radius: var(--radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

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

.card-header {
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-meta {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* Grid System */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

@media (max-width: 768px) {
    .grid {
        gap: 1rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* Section Styles */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transform: translateX(-50%);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--background) 0%, var(--background-secondary) 100%);
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(0, 122, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-description {
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
}

/* Accordion Styles */
.accordion {
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    margin: 2rem 0;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    background: var(--background);
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.125rem;
}

.accordion-header:hover {
    background: var(--background-secondary);
}

.accordion-icon {
    transition: var(--transition-fast);
    font-size: 1.25rem;
    color: var(--primary-color);
}

.accordion-item.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
    background: var(--background-tertiary);
}

.accordion-content-inner {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
}

/* Partner Grid Styles */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.partner-card {
    background: var(--background);
    border-radius: var(--radius-large);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 122, 255, 0.1), transparent);
    transition: var(--transition-slow);
}

.partner-card:hover::before {
    left: 100%;
}

.partner-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.partner-logo {
    width: 80px;
    height: 80px;
    background: var(--background-secondary);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    border: 3px solid var(--border-color);
    transition: var(--transition-fast);
}

.partner-card:hover .partner-logo {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.partner-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.partner-type {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.partner-description {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

/* Feature Highlights */
.feature-highlight {
    background: linear-gradient(135deg, var(--primary-color), #0056CC);
    color: white;
    padding: 3rem 2rem;
    border-radius: var(--radius-large);
    text-align: center;
    margin: 3rem 0;
    position: relative;
    overflow: hidden;
}

.feature-highlight::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.feature-highlight h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.feature-highlight p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 0;
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--background);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Episodes Grid */
.episodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.episode-item {
    background: var(--background);
    border-radius: var(--radius-large);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

.episode-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.episode-number {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.episode-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.episode-meta {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.episode-card {
    background: var(--background);
    border-radius: var(--radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    max-width: 600px;
    margin: 0 auto;
}

/* Newsletter Section */
.newsletter-section {
    background: var(--background-secondary);
    padding: 4rem 0;
    text-align: center;
}

.newsletter-form {
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-input {
    flex: 1;
    min-width: 250px;
    padding: 1rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    font-size: 1rem;
    background: var(--background);
    transition: var(--transition-fast);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

/* Footer */
.site-footer {
    background: var(--text-primary);
    color: var(--text-tertiary);
    padding: 3rem 0 2rem;
    text-align: center;
}

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

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 4rem 0;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .partner-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .newsletter-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .newsletter-input {
        min-width: auto;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* WordPress Core Compatibility */
.alignleft {
    float: left;
    margin-right: 1rem;
}

.alignright {
    float: right;
    margin-left: 1rem;
}

.aligncenter {
    display: block;
    margin: 0 auto;
}

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 0.5rem;
}

/* Content Styles */
.entry-content {
    line-height: 1.7;
}

.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.entry-content p {
    margin-bottom: 1rem;
}

.entry-content ul,
.entry-content ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.entry-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }