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

:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1f3a;
    --bg-card: #252b47;
    --accent-blue: #00d4ff;
    --accent-cyan: #0099cc;
    --accent-green: #00ff88;
    --accent-red: #ff4444;
    --accent-orange: #ff8800;
    --text-primary: #ffffff;
    --text-secondary: #b0b8d0;
    --border-color: #2d3555;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Audience Navigation */
.audience-nav {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.nav-btn {
    padding: 12px 24px;
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-btn:hover {
    border-color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

/* Audience Sections */
.audience-section {
    padding: 80px 20px;
    position: relative;
}

.audience-section:nth-child(even) {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--accent-blue);
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 300;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

/* Format Badges */
.format-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.format-badge.awareness {
    background: rgba(0, 255, 136, 0.2);
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
}

.format-badge.theory {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

.format-badge.hands-on {
    background: rgba(255, 136, 0, 0.2);
    color: var(--accent-orange);
    border: 1px solid var(--accent-orange);
}

.format-badge.hybrid {
    background: rgba(255, 68, 68, 0.2);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
}

/* Two Columns Layout */
.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.column-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--accent-cyan);
    text-align: center;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

/* Workshops Grid */
.workshops-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.workshop-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.workshop-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.workshop-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.2);
}

.workshop-card:hover::before {
    transform: scaleX(1);
}

.workshop-card h3 {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-primary);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 60px 20px;
    text-align: center;
    border-top: 2px solid var(--border-color);
}

.footer h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.footer p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.cta-button {
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

/* Download PDF Section */
.download-section {
    background: var(--bg-secondary);
    padding: 60px 20px;
    text-align: center;
    border-top: 2px solid var(--border-color);
}

.download-btn {
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
}

.download-btn:active {
    transform: translateY(0);
}

.download-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Responsive Design */
@media (max-width: 968px) {
    .two-columns {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-tagline {
        font-size: 1.2rem;
    }
    
    .workshops-grid {
        grid-template-columns: 1fr;
    }
    
    .audience-nav {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-btn {
        text-align: center;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

.audience-section {
    animation: fadeInUp 0.6s ease-out;
}

.workshop-card {
    cursor: pointer;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--bg-card);
    margin: 10% auto;
    padding: 2rem;
    border: 2px solid var(--accent-blue);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    position: relative;
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.3);
    animation: slideDown 0.3s ease;
}

.modal-close {
    color: var(--text-secondary);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--accent-blue);
}

.modal-content h2 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    font-size: 1.5rem;
    padding-right: 2rem;
}

.modal-content p {
    color: var(--text-primary);
    line-height: 1.8;
    font-size: 1rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (max-width: 640px) {
    .modal-content {
        width: 95%;
        margin: 20% auto;
        padding: 1.5rem;
    }
    
    .modal-content h2 {
        font-size: 1.2rem;
    }
}

/* Print and PDF Optimization */
@media print {
    @page {
        size: A4;
        margin: 1cm;
    }
    
    * {
        animation: none !important;
        transition: none !important;
        box-shadow: none !important;
    }
    
    body {
        background: #0a0e27 !important;
        color: #ffffff !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    .download-section {
        display: none !important;
    }
    
    .workshop-card {
        break-inside: avoid;
        page-break-inside: avoid;
        opacity: 1 !important;
        transform: none !important;
        background: #252b47 !important;
        border: 2px solid #2d3555 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    .audience-section {
        page-break-after: auto;
        break-after: auto;
        background: inherit !important;
    }
    
    .audience-section:nth-child(even) {
        background: #1a1f3a !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    .section-header {
        page-break-after: avoid;
        break-after: avoid;
    }
    
    .hero-title {
        color: #00d4ff !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    .format-badge {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    .nav-btn {
        background: #252b47 !important;
        border: 2px solid #2d3555 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
}

/* PDF generation helper class */
.pdf-mode {
    animation: none !important;
    transition: none !important;
}

.pdf-mode .workshop-card {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
}

.pdf-mode .audience-section {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
}