/* ===================================
   CSS Variables - Warm Traditional Theme
   =================================== */
:root {
    /* Colors */
    --color-primary: #8B4513;        /* Saddle brown */
    --color-primary-dark: #5D2E0C;   /* Darker brown */
    --color-primary-light: #A0522D;  /* Sienna */
    --color-accent: #D4A574;         /* Warm tan/gold */
    --color-accent-light: #E8D4B8;   /* Light cream */

    --color-bg: #FDF8F3;             /* Warm white */
    --color-bg-alt: #F5EDE4;         /* Slightly darker cream */
    --color-text: #3D2914;           /* Dark brown text */
    --color-text-light: #6B5344;     /* Lighter brown */
    --color-white: #FFFFFF;

    /* Typography */
    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Lato', -apple-system, sans-serif;

    /* Spacing */
    --section-padding: 6rem 0;
    --container-width: 1200px;

    /* Transitions */
    --transition: 0.3s ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-primary-dark);
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

/* ===================================
   Layout
   =================================== */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    margin: 1rem auto 0;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 3rem;
    font-style: italic;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background-color: rgba(253, 248, 243, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-white);
}

.navbar.scrolled .nav-logo {
    color: var(--color-text);
}

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

.nav-menu a {
    color: var(--color-white);
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.navbar.scrolled .nav-menu a {
    color: var(--color-text);
}

.nav-menu a:hover {
    color: var(--color-accent);
}

.nav-cta {
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--color-white);
    border-radius: 4px;
}

.navbar.scrolled .nav-cta {
    border-color: var(--color-primary);
    color: var(--color-primary) !important;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background-color: var(--color-text);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    background-image: url('images/concert-duo.png');
    background-size: cover;
    background-position: center top;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    margin-bottom: 0.5rem;
    font-weight: 400;
    letter-spacing: 2px;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0.7;
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    margin: 0.5rem auto 0;
    border-right: 2px solid var(--color-white);
    border-bottom: 2px solid var(--color-white);
    transform: rotate(45deg);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(10px); }
}

/* ===================================
   Lessons Section
   =================================== */
.lessons-section {
    padding: var(--section-padding);
    background-color: var(--color-bg);
}

/* Expandable Section */
.expandable-section {
    max-width: 900px;
    margin: 3rem auto 0;
}

.expandable-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: var(--color-white);
    border: 2px solid var(--color-accent);
    border-radius: 8px;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition);
}

.expandable-header:hover {
    background: var(--color-accent-light);
}

.expandable-header[aria-expanded="true"] {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom-color: transparent;
}

.expand-icon {
    position: relative;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.expand-icon::before,
.expand-icon::after {
    content: '';
    position: absolute;
    background: var(--color-primary);
    transition: var(--transition);
}

.expand-icon::before {
    width: 100%;
    height: 2px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.expand-icon::after {
    width: 2px;
    height: 100%;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}

.expandable-header[aria-expanded="true"] .expand-icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

.expandable-content {
    max-height: 0;
    overflow: hidden;
    background: var(--color-white);
    border: 2px solid var(--color-accent);
    border-top: none;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    transition: max-height 0.4s ease;
}

.expandable-content.open {
    max-height: 2000px;
}

.expandable-content > .pedagogy-philosophy {
    padding: 2rem 1.5rem 0;
}

.expandable-content > .syllabus {
    margin: 2rem 1.5rem;
    box-shadow: none;
    border: 1px solid var(--color-accent-light);
}

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

.services-grid.services-single {
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: var(--color-white);
    padding: 3rem 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.service-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.service-list {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.service-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-light);
}

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

/* Pedagogy Philosophy (Curriculum Tab) */
.pedagogy-philosophy {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.pedagogy-philosophy p {
    color: var(--color-text);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.9;
}

.pedagogy-philosophy p:last-child {
    margin-bottom: 0;
}

.pedagogy-philosophy em {
    color: var(--color-primary);
    font-style: italic;
}

/* Syllabus */
.syllabus {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.syllabus-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.syllabus-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: 2.5rem;
}

.syllabus-table {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.syllabus-phase {
    border-left: 3px solid var(--color-accent);
    padding-left: 1.5rem;
    padding-bottom: 1rem;
}

.phase-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.phase-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
}

.phase-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
}

.phase-weeks {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-left: auto;
}

.phase-content {
    color: var(--color-text-light);
    line-height: 1.7;
}

.phase-content strong {
    color: var(--color-text);
}

.syllabus-cta {
    text-align: center;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-accent-light);
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--section-padding);
    background-color: var(--color-bg-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.image-placeholder,
.video-placeholder,
.gallery-placeholder {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    font-family: var(--font-heading);
    font-style: italic;
}

.image-placeholder {
    aspect-ratio: 3/4;
    border-radius: 8px;
}

.about-content .section-title {
    text-align: left;
}

.about-content .section-title::after {
    margin: 1rem 0 0;
}

.about-lead {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 1rem;
    color: var(--color-text-light);
    font-size: 1.15rem;
    line-height: 1.8;
}

.about-highlights {
    display: flex;
    gap: 3.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-accent-light);
}

.highlight {
    text-align: center;
}

.highlight-number {
    display: block;
    font-family: var(--font-body);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.highlight-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   Featured Video Section
   =================================== */
.featured {
    padding: var(--section-padding);
    background-color: var(--color-bg);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.video-item {
    display: flex;
    flex-direction: column;
}

.video-container {
    width: 100%;
}

.video-description {
    padding: 1.25rem 0.5rem;
    text-align: center;
}

.video-description h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.video-description p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.video-placeholder {
    aspect-ratio: 16/9;
    border-radius: 8px;
    font-size: 1.5rem;
}

.video-placeholder p {
    font-size: 1rem;
    margin-top: 0.5rem;
    opacity: 0.8;
}

/* Responsive video embed */
.video-container iframe {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 8px;
    border: none;
}

/* ===================================
   Gallery Section
   =================================== */
.gallery {
    padding: var(--section-padding);
    background-color: var(--color-bg-alt);
}

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

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.gallery-placeholder {
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Lightbox */
.lightbox {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    pointer-events: none;
    opacity: 0;
    transition: background 0.4s ease, opacity 0.4s ease;
}

.lightbox.active {
    background: rgba(0, 0, 0, 0.92);
    pointer-events: auto;
    opacity: 1;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    transform: scale(0.8);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.lightbox.active .lightbox-image {
    transform: scale(1);
    opacity: 1;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 3rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease 0.2s, transform 0.2s ease;
    line-height: 1;
}

.lightbox.active .lightbox-close {
    opacity: 0.8;
}

.lightbox-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    padding: var(--section-padding);
    background-color: var(--color-bg);
}

.testimonials-carousel {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.testimonials-track {
    flex: 1;
    overflow: hidden;
    position: relative;
    min-height: 220px;
}

.carousel-btn {
    background: var(--color-white);
    border: 2px solid var(--color-accent-light);
    color: var(--color-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.testimonial {
    background: var(--color-white);
    padding: 3rem 3rem 2.5rem 3.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}

.testimonial.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    position: relative;
}

.testimonial::before {
    content: '"';
    font-family: var(--font-heading);
    font-size: 6rem;
    color: var(--color-accent-light);
    position: absolute;
    top: 0.5rem;
    left: 0.75rem;
    line-height: 1;
    opacity: 0.5;
}

.testimonial p {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    line-height: 1.7;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.testimonial cite {
    display: block;
    font-style: normal;
}

.testimonial cite strong {
    display: block;
    color: var(--color-text);
    font-size: 1.1rem;
}

.testimonial cite span {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-accent-light);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--color-primary);
    transform: scale(1.2);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--section-padding);
    background-color: var(--color-bg-alt);
}

.contact-note {
    max-width: 600px;
    margin: 1.5rem auto 0;
    padding: 1rem 1.5rem;
    background: var(--color-accent-light);
    border-left: 4px solid var(--color-primary);
    border-radius: 4px;
    text-align: center;
}

.contact-note p {
    margin: 0;
    color: var(--color-text);
}

.contact-note a {
    color: var(--color-primary);
    font-weight: 600;
}

.contact-note a:hover {
    text-decoration: underline;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-form {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--color-accent-light);
    border-radius: 4px;
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.contact-item p {
    color: var(--color-text-light);
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-light);
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.social-links a svg {
    width: 22px;
    height: 22px;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    color: var(--color-primary);
}

.social-links a:hover svg {
    transform: scale(1.1);
}

/* Contact - Centered Layout (no form) */
.contact-grid-centered {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info-full {
    text-align: center;
    align-items: center;
}

.contact-item-primary {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.contact-item-primary p {
    margin-bottom: 1.5rem;
}

.contact-item-primary .btn {
    display: inline-block;
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: 2rem 0;
    background-color: var(--color-text);
    color: var(--color-accent-light);
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-content .section-title::after {
        margin: 1rem auto 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 4rem 0;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: var(--transition);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu a {
        color: var(--color-text) !important;
        font-size: 1.1rem;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

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

    .about-highlights {
        flex-wrap: wrap;
        justify-content: center;
    }

    .testimonials-carousel {
        flex-direction: column;
        gap: 1.5rem;
    }

    .carousel-btn {
        display: none;
    }

    .carousel-dots {
        margin-top: 1rem;
    }

    .highlight {
        flex: 1 1 100px;
    }

    .phase-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .phase-weeks {
        margin-left: 0;
    }

    .syllabus {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .expandable-header {
        font-size: 1.1rem;
        padding: 1rem 1.25rem;
    }

    .expandable-content > .pedagogy-philosophy {
        padding: 1.5rem 1rem 0;
    }

    .expandable-content > .syllabus {
        margin: 1.5rem 1rem;
    }

    .syllabus {
        padding: 1.5rem 1rem;
    }

    .syllabus-title {
        font-size: 1.5rem;
    }

    .phase-name {
        font-size: 1.1rem;
    }

    .pedagogy-philosophy p {
        font-size: 1rem;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

    .testimonial {
        padding: 2rem 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}