/* ================================
   Education Division Website Styles
   Color Scheme: Technical + Approachable
   ================================ */

:root {
    /* Primary Colors */
    --primary-navy: #0A1128;
    --primary-blue: #1B2845;
    --accent-cyan: #00D9FF;
    --accent-orange: #FF6B35;
    
    /* Neutrals */
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --medium-gray: #E1E8ED;
    --dark-gray: #455A64;
    --text-dark: #1A1A1A;
    
    /* Workshop Tags */
    --tag-hpc: #4A90E2;
    --tag-ai: #7B68EE;
    --tag-production: #E91E63;
    
    /* Semantic */
    --success: #4CAF50;
    --warning: #FF9800;
    --error: #F44336;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
}

/* ================================
   Reset & Base Styles
   ================================ */

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--accent-orange);
}

ul {
    list-style: none;
}

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

/* ================================
   Layout
   ================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.text-center {
    text-align: center;
}

/* ================================
   Navigation
   ================================ */

.navbar {
    background: var(--primary-navy);
    color: var(--white);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--white);
}

.nav-brand .tagline {
    font-size: 0.875rem;
    color: var(--accent-cyan);
    margin: 0;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu li a {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: var(--primary-blue);
}

.btn-primary-nav {
    background: var(--accent-cyan) !important;
    color: var(--primary-navy) !important;
    font-weight: 600;
}

.btn-primary-nav:hover {
    background: var(--accent-orange) !important;
    color: var(--white) !important;
}

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

/* ================================
   Buttons
   ================================ */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-cyan);
    color: var(--primary-navy);
}

.btn-primary:hover {
    background: var(--accent-orange);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--primary-blue);
    color: var(--white);
}

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

.btn-block {
    display: block;
    width: 100%;
}

/* ================================
   Hero Section
   ================================ */

.hero {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    color: var(--accent-cyan);
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ================================
   Page Header (Interior Pages)
   ================================ */

.page-header {
    background: var(--light-gray);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-bottom: 4px solid var(--accent-cyan);
}

.page-header h1 {
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.125rem;
    color: var(--dark-gray);
}

/* ================================
   Value Proposition
   ================================ */

.value-prop {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--dark-gray);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

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

.value-card {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.value-card h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

/* ================================
   Workshops
   ================================ */

.featured-workshops,
.workshops-section {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

.workshop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.workshop-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
}

.workshop-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.workshop-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.workshop-tag {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
}

.workshop-tag.hpc {
    background: var(--tag-hpc);
}

.workshop-tag.ai {
    background: var(--tag-ai);
}

.workshop-tag.production {
    background: var(--tag-production);
}

.workshop-duration {
    font-size: 0.875rem;
    color: var(--dark-gray);
    font-weight: 600;
}

.workshop-card h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.workshop-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 2px solid var(--light-gray);
}

.workshop-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-orange);
}

/* ================================
   Workshop Detail (Catalog Page)
   ================================ */

.filter-bar {
    background: var(--white);
    padding: var(--spacing-md) 0;
    border-bottom: 2px solid var(--light-gray);
    position: sticky;
    top: 73px;
    z-index: 900;
}

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

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--medium-gray);
    background: var(--white);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

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

.workshop-detail {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.workshop-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--accent-cyan);
}

.workshop-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-sm);
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    background: var(--light-gray);
    color: var(--dark-gray);
    font-weight: 600;
}

.workshop-pricing {
    text-align: right;
}

.price-main {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-navy);
}

.price-early {
    font-size: 1rem;
    color: var(--success);
    font-weight: 600;
}

.workshop-detail-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.workshop-description h3 {
    color: var(--primary-navy);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.workshop-description ul {
    list-style: disc;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.workshop-description li {
    margin-bottom: 0.5rem;
}

.workshop-sidebar {
    position: sticky;
    top: 150px;
}

.sidebar-card {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.sidebar-card h4 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

.instructor-mini {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.instructor-avatar-small {
    width: 40px;
    height: 40px;
    background: var(--accent-cyan);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

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

.discount-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--medium-gray);
}

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

/* ================================
   Instructors
   ================================ */

.instructors-preview {
    padding: var(--spacing-xl) 0;
}

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

.instructor-card {
    text-align: center;
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s;
}

.instructor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.instructor-avatar {
    width: 80px;
    height: 80px;
    background: var(--accent-cyan);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 2rem;
    margin: 0 auto var(--spacing-sm);
}

.instructor-title {
    color: var(--accent-orange);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.instructor-bio {
    font-size: 0.875rem;
    color: var(--dark-gray);
}

/* ================================
   Team Bios (About Page)
   ================================ */

.mission-section,
.story-section,
.team-section,
.values-section {
    padding: var(--spacing-xl) 0;
}

.mission-section {
    background: var(--light-gray);
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
}

.lead {
    font-size: 1.25rem;
    color: var(--primary-navy);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
}

.story-content p {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.team-bio {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--light-gray);
}

.team-bio:last-child {
    border-bottom: none;
}

.instructor-avatar-large {
    width: 150px;
    height: 150px;
    background: var(--accent-cyan);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 4rem;
    margin: 0 auto;
}

.team-title {
    color: var(--accent-orange);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.team-bio-content p {
    margin-bottom: var(--spacing-sm);
}

.values-section {
    background: var(--light-gray);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.value-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent-cyan);
}

.value-item h3 {
    color: var(--primary-navy);
    margin-bottom: var(--spacing-sm);
}

/* ================================
   Testimonials
   ================================ */

.testimonials {
    padding: var(--spacing-xl) 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.testimonial-card {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border-top: 4px solid var(--accent-orange);
}

.testimonial-rating {
    color: var(--accent-orange);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    color: var(--primary-navy);
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--dark-gray);
}

/* ================================
   Contact / Registration
   ================================ */

.contact-options {
    padding: var(--spacing-lg) 0;
}

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

.contact-card {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.discount-highlight {
    color: var(--success);
    font-weight: 600;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.form-section {
    padding: var(--spacing-xl) 0;
    background: var(--light-gray);
}

.form-section .container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.form-container {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--accent-cyan);
}

.form-header h2 {
    color: var(--primary-navy);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-navy);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.form-help {
    font-size: 0.875rem;
    color: var(--dark-gray);
    margin-top: 0.25rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: normal;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.form-actions {
    margin-top: var(--spacing-md);
}

.form-note {
    font-size: 0.875rem;
    color: var(--dark-gray);
    margin-top: var(--spacing-sm);
    text-align: center;
}

.contact-sidebar .sidebar-card {
    background: var(--white);
    margin-bottom: var(--spacing-md);
}

/* ================================
   FAQ
   ================================ */

.faq-section {
    padding: var(--spacing-xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent-cyan);
}

.faq-item h3 {
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
}

.faq-item p {
    margin: 0;
}

/* ================================
   Ethics Engine Section
   ================================ */

.ethics-engine-section {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #FF8C61 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.ethics-engine-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    z-index: 0;
}

.ethics-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.ethics-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.ethics-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.ethics-highlight {
    color: var(--primary-navy);
    background: rgba(255, 255, 255, 0.9);
    padding: 0 0.5rem;
    border-radius: var(--radius-sm);
}

.ethics-lead {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
}

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

.ethics-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s;
}

.ethics-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.ethics-card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.ethics-card h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.ethics-card p {
    margin: 0;
    line-height: 1.6;
}

.ethics-cta {
    margin-top: var(--spacing-lg);
}

.ethics-note {
    font-size: 1.125rem;
    font-style: italic;
    margin: 0;
}

.ethics-note strong {
    font-weight: 700;
    text-decoration: underline;
    text-decoration-thickness: 2px;
}

/* ================================
   CTA Section
   ================================ */

.cta-section {
    background: linear-gradient(135deg, var(--primary-navy) 0%, var(--primary-blue) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-section h2 {
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* ================================
   Footer
   ================================ */

.footer {
    background: var(--primary-navy);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-col h3,
.footer-col h4 {
    color: var(--accent-cyan);
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-col ul li a {
    color: var(--white);
    opacity: 0.8;
}

.footer-col ul li a:hover {
    opacity: 1;
    color: var(--accent-cyan);
}

.footer-col p {
    opacity: 0.8;
    font-size: 0.875rem;
}

.footer-col a {
    color: var(--accent-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--primary-blue);
    opacity: 0.7;
}

/* ================================
   Mobile Sidebar Toggle
   ================================ */

.sidebar-toggle-btn {
    display: none;
    width: 100%;
    padding: 1rem;
    background: var(--accent-cyan);
    color: var(--primary-navy);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: var(--spacing-md);
    transition: all 0.3s;
}

.sidebar-toggle-btn:hover {
    background: var(--accent-orange);
    color: var(--white);
}

.sidebar-toggle-btn::after {
    content: ' ▼';
    float: right;
}

.sidebar-toggle-btn.active::after {
    content: ' ▲';
}

/* ================================
   Responsive Design
   ================================ */

@media (max-width: 968px) {
    .workshop-detail-content,
    .team-bio,
    .form-section .container {
        grid-template-columns: 1fr;
    }
    
    .workshop-sidebar {
        position: static;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .workshop-detail-header {
        flex-direction: column;
    }
    
    .workshop-pricing {
        text-align: left;
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .instructor-avatar-large {
        width: 100px;
        height: 100px;
        font-size: 3rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    /* Mobile sidebar toggle */
    .sidebar-toggle-btn {
        display: block;
    }
    
    .workshop-sidebar {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease-out;
    }
    
    .workshop-sidebar.active {
        max-height: 2000px;
        transition: max-height 0.5s ease-in;
    }
    
    .workshop-detail-content {
        display: block;
    }
    
    .workshop-description {
        margin-bottom: var(--spacing-md);
    }
    
    /* Ethics Engine mobile */
    .ethics-title {
        font-size: 1.75rem;
    }
    
    .ethics-lead {
        font-size: 1.125rem;
    }
    
    .ethics-grid {
        grid-template-columns: 1fr;
    }
    
    .ethics-engine-section::before {
        width: 300px;
        height: 300px;
        top: -30%;
        right: -20%;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
    }
    
    .workshop-card {
        padding: var(--spacing-sm);
    }
}