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

:root {
    /* Colors */
    --primary-bg: #0a0a0a;
    --secondary-bg: #111111;
    --card-bg: #1a1a1a;
    --border-color: #333333;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-primary: #00ff88;
    --accent-secondary: #0088ff;
    --accent-gradient: linear-gradient(135deg, #00ff88 0%, #0088ff 100%);
    --danger: #ff4444;
    --warning: #ffaa00;
    
    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);
}

body {
    font-family: var(--font-primary);
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 600;
    font-size: 1.25rem;
}

.brand-icon {
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 1.5rem;
}

.brand-text .accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: var(--accent-gradient);
    color: var(--primary-bg);
    border: none;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Vibe Coded Banner */
.vibe-coded-banner {
    position: relative;
    text-align: center;
    padding: var(--space-md) 0;
    margin-bottom: var(--space-lg);
    overflow: hidden;
}

.banner-content {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-sm) var(--space-lg);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
    animation: bannerFloat 3s ease-in-out infinite;
}

.banner-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.sparkle {
    font-size: 1rem;
    animation: sparkleRotate 2s ease-in-out infinite alternate;
}

.sparkle:first-child {
    animation-delay: 0s;
}

.sparkle:last-child {
    animation-delay: 0.5s;
}

.banner-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: 50%;
    opacity: 0.3;
    filter: blur(20px);
    z-index: 1;
    animation: bannerGlow 2s ease-in-out infinite alternate;
}

@keyframes bannerFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-3px);
    }
}

@keyframes sparkleRotate {
    0% {
        transform: rotate(0deg) scale(1);
    }
    100% {
        transform: rotate(15deg) scale(1.1);
    }
}

@keyframes bannerGlow {
    0% {
        opacity: 0.2;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 70px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-title {
    text-align: left;
}

.hero-description {
    text-align: left;
}

.hero-actions {
    align-self: flex-start;
}


.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.primary-button {
    background: var(--accent-gradient);
    color: var(--primary-bg);
    border: none;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}


/* Code Window */
.code-window {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.window-header {
    background: var(--secondary-bg);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.window-controls {
    display: flex;
    gap: var(--space-xs);
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background: #ff5f56; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #27ca3f; }

.window-title {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.code-content {
    padding: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.code-line {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-xs);
}

.line-number {
    color: var(--text-muted);
    margin-right: var(--space-md);
    min-width: 20px;
    text-align: right;
}

.keyword { color: #ff79c6; }
.variable { color: #8be9fd; }
.function { color: #50fa7b; }
.string { color: #f1fa8c; }
.comment { color: var(--text-muted); }
.operator { color: #ff79c6; }
.punctuation { color: var(--text-secondary); }

.cursor {
    color: var(--accent-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.typing {
    animation: typeIn 2s ease-in-out infinite;
}

/* Syllabus Section */
.syllabus {
    padding: var(--space-2xl) 0;
    background: var(--secondary-bg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.accordion-container {
    max-width: 900px;
    margin: 0 auto;
}

.week-section {
    margin-bottom: var(--space-xl);
}

.week-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: var(--space-lg);
    text-align: center;
    position: relative;
}

.week-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--accent-gradient);
}

.accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: var(--accent-primary);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    transition: background-color 0.3s ease;
    user-select: none;
}

.accordion-header:hover {
    background-color: rgba(0, 255, 136, 0.05);
}

.day-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.day-number {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.day-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.accordion-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
    transition: transform 0.3s ease;
    font-weight: 300;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-item.active .accordion-content {
    max-height: 500px;
    padding: 0 var(--space-lg) var(--space-lg) var(--space-lg);
}

.topic-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.topic-list li {
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: var(--space-md);
    line-height: 1.6;
}

.topic-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.topic-list li strong {
    color: var(--text-primary);
}

.subtopic-list {
    list-style: none;
    margin: var(--space-xs) 0 0 var(--space-md);
    padding: 0;
}

.subtopic-list li {
    padding: 2px 0;
    font-size: 0.9em;
    padding-left: var(--space-md);
    position: relative;
}

.subtopic-list li::before {
    content: '◦';
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
}

.buildathon-section {
    text-align: center;
    padding: var(--space-md) 0;
}

.buildathon-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: var(--space-sm);
}

.buildathon-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Target Audience Section */
.target-audience {
    padding: var(--space-2xl) 0;
    background: var(--primary-bg);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.audience-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.audience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.05), transparent);
    transition: left 0.6s ease;
}

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

.audience-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.1);
}

.audience-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: 50%;
    margin: 0 auto var(--space-lg);
    position: relative;
    z-index: 1;
}

.audience-icon .icon {
    font-size: 2rem;
}

.audience-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
}

.audience-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

/* Reviews Section */
.reviews {
    padding: var(--space-2xl) 0;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    justify-items: center;
}

.review-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    max-width: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.review-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.1);
}

.review-photo {
    margin-bottom: var(--space-md);
}

.photo-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.photo-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.initials {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-bg);
    font-family: var(--font-primary);
}

.review-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.reviewer-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.reviewer-designation {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.review-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
}

.review-link:hover {
    background-color: rgba(0, 255, 136, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

.link-icon {
    font-size: 1rem;
}

.external-icon {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.review-link:hover .external-icon {
    transform: translate(2px, -2px);
}

/* Animation for review cards on scroll */
.review-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.review-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Instructor Section */
.instructor {
    padding: var(--space-2xl) 0;
    background: var(--secondary-bg);
}

.instructor-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-2xl);
    align-items: flex-start;
    margin-top: var(--space-2xl);
}

.instructor-photo {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: var(--space-md);
}

.photo-container {
    position: relative;
}

.photo-placeholder-instructor {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 3px solid var(--accent-primary);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.photo-placeholder-instructor img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.initials-instructor {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-bg);
    font-family: var(--font-primary);
}

.instructor-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.instructor-name {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    line-height: 1.2;
}

.instructor-title {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.instructor-bio {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.instructor-bio p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.instructor-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
}

.linkedin-link:hover {
    background-color: rgba(0, 255, 136, 0.1);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

.linkedin-link .external-icon {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.linkedin-link:hover .external-icon {
    transform: translate(2px, -2px);
}

/* Enrollment Section */
.enrollment {
    padding: var(--space-2xl) 0;
    background: var(--primary-bg);
}

.enrollment-content {
    display: flex;
    justify-content: center;
    margin-top: var(--space-2xl);
}

.enrollment-card {
    background: var(--card-bg);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    max-width: 700px;
    width: 100%;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 255, 136, 0.1);
}

.enrollment-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--accent-gradient);
    border-radius: var(--radius-xl);
    z-index: -1;
    animation: borderGlow 2s ease-in-out infinite alternate;
}

@keyframes borderGlow {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

.pricing-info {
    margin-bottom: var(--space-xl);
}

.price-section {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.label {
    font-size: 1.125rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: var(--space-sm);
}

.price-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.current-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
}

.original-price {
    font-size: 1.5rem;
    color: var(--text-muted);
    text-decoration: line-through;
    position: relative;
}

.discount-badge {
    background: var(--accent-gradient);
    color: var(--primary-bg);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: var(--space-xs);
}

.details-grid {
    display: grid;
    gap: var(--space-md);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--secondary-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.detail-label {
    font-weight: 600;
    color: var(--text-primary);
}

.detail-value {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-value.highlight {
    color: var(--accent-primary);
    font-weight: 600;
}

.detail-value.urgent {
    color: var(--warning);
    font-weight: 600;
}

.benefits-section {
    margin-bottom: var(--space-xl);
}

.benefits-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--secondary-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.benefits-list li:hover {
    border-color: var(--accent-primary);
    background-color: rgba(0, 255, 136, 0.05);
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
}

.benefits-list li span:last-child {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.enroll-button {
    background: var(--accent-gradient);
    color: var(--primary-bg);
    border: none;
    padding: var(--space-lg) var(--space-2xl);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.enroll-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.enroll-button:hover::before {
    left: 100%;
}

.enroll-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 255, 136, 0.4);
}

.enroll-button .button-icon {
    font-size: 1.25rem;
    transition: transform 0.3s ease;
}

.enroll-button:hover .button-icon {
    transform: translateX(3px);
}

/* Closed enrollment button styling */
.enroll-button-closed {
    background: linear-gradient(135deg, #ff4444 0%, #cc0000 100%) !important;
    cursor: not-allowed !important;
    opacity: 0.9;
}

.enroll-button-closed:hover {
    transform: none !important;
    box-shadow: none !important;
}

.enroll-button-closed::before {
    display: none !important;
}

.enroll-button-closed:hover .button-icon {
    transform: none !important;
}


/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-title {
        text-align: center;
    }
    
    .hero-description {
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        align-self: center;
    }
    
    .banner-content {
        padding: var(--space-xs) var(--space-md);
        gap: var(--space-xs);
    }
    
    .banner-text {
        font-size: 0.8rem;
    }
    
    .sparkle {
        font-size: 0.9rem;
    }
    
    .audience-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .audience-card {
        padding: var(--space-lg);
    }
    
    .audience-icon {
        width: 60px;
        height: 60px;
        margin-bottom: var(--space-md);
    }
    
    .audience-icon .icon {
        font-size: 1.5rem;
    }
    
    .audience-title {
        font-size: 1.25rem;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .instructor-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
        align-items: center;
    }
    
    .instructor-photo {
        padding-top: 0;
    }
    
    .photo-placeholder-instructor {
        width: 150px;
        height: 150px;
    }
    
    .initials-instructor {
        font-size: 2rem;
    }
    
    .instructor-name {
        font-size: 2rem;
    }
    
    .enrollment-card {
        margin: 0 var(--space-md);
        padding: var(--space-lg);
    }
    
    .current-price {
        font-size: 2.5rem;
    }
    
    .detail-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-xs);
    }
    
    .enroll-button {
        padding: var(--space-md) var(--space-lg);
        font-size: 1.125rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}