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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

/* Navigation Styles */
.main-navigation {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.8rem;
    margin-bottom: 0.2rem;
}

.nav-subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: #3498db;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-presenter {
    margin-bottom: 3rem;
}

.presenter-name {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.presenter-title {
    font-size: 1.2rem;
    opacity: 0.8;
}

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

.cta-button {
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-button.primary {
    background: #e74c3c;
    color: white;
}

.cta-button.primary:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

.cta-button.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cta-button.secondary:hover {
    background: white;
    color: #667eea;
}

/* Content Sections */
.introduction-section,
.journey-overview,
.problem-solution-section,
.navigation-section,
.key-insight-section,
.quick-start-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    background: white;
    min-height: 60vh;
}

.introduction-section {
    background: white;
    text-align: center;
}

.intro-content h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.intro-text {
    font-size: 1.3rem;
    line-height: 1.8;
    color: #34495e;
    max-width: 800px;
    margin: 0 auto;
}

/* Journey Overview */
.journey-overview {
    background: #f8f9fa;
}

.journey-overview h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 3rem;
}

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

.journey-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.journey-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.journey-card h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.journey-card p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* Problem Solution Section */
.problem-solution-section {
    background: white;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.problem-side h2,
.solution-side h2 {
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.challenge-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.challenge-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.challenge-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.challenge-text strong {
    color: #e74c3c;
    display: block;
    margin-bottom: 0.5rem;
}

.solution-preview {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    border-left: 5px solid #3498db;
}

.prompt-preview {
    background: #2c3e50;
    color: white;
    padding: 1rem;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    margin: 1rem 0;
}

.output-preview {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #28a745;
    margin: 1rem 0;
}

.time-badge {
    background: #e74c3c;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: bold;
    display: inline-block;
    font-size: 0.9rem;
}

/* Navigation Grid */
.navigation-section {
    background: #f8f9fa;
}

.navigation-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 3rem;
}

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

.nav-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    border-left: 4px solid #3498db;
}

.nav-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.nav-card.featured {
    border-left-color: #e74c3c;
}

.nav-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.nav-card h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.nav-card p {
    color: #7f8c8d;
    line-height: 1.6;
}

.featured-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #e74c3c;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: bold;
}

/* Key Insight Section */
.key-insight-section {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    text-align: center;
}

.insight-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.key-insight-section blockquote {
    font-size: 1.6rem;
    line-height: 1.8;
    font-style: italic;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.insight-attribution {
    font-size: 1.1rem;
    opacity: 0.8;
}

/* Quick Start Section */
.quick-start-section {
    background: white;
    text-align: center;
}

.quick-start-section h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.quick-start-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #34495e;
}

.quick-start-options {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.option-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.option-button:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.option-icon {
    font-size: 1.2rem;
}

.starter-prompt-home h4 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.prompt-box-home {
    background: #f8f9fa;
    border: 2px solid #3498db;
    border-radius: 10px;
    padding: 1.5rem;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.prompt-box-home code {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1.5;
    display: block;
    padding-right: 100px;
}

.copy-btn-home {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #3498db;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.copy-btn-home:hover {
    background: #2980b9;
}

/* Footer */
.site-footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer-content p {
    margin-bottom: 0.5rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.4rem;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #2c3e50;
        flex-direction: column;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        padding: 1rem 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .nav-menu.mobile-active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        margin: 0;
    }

    .nav-menu a {
        display: block;
        padding: 1rem 2rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .problem-solution-section {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .quick-start-options {
        flex-direction: column;
        align-items: center;
    }

    .prompt-box-home code {
        padding-right: 0;
        margin-bottom: 1rem;
    }

    .copy-btn-home {
        position: static;
        display: block;
        width: 100%;
    }

    .page-container {
        padding: 2rem 1rem;
    }
}