/* Base Styles & Reset */
:root {
    /* Color Palette */
    --primary-teal: #00A388;
    --secondary-coral: #FF6B6B;
    --deep-contrast-midnight: #1A237E;
    --neutral-light-grey: #F8F8F8;
    --neutral-soft-white: #FFFFFF;
    --neutral-dark-grey: #333333;
    --text-color-light: #E0E0E0;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-subheading: 'Playfair Display', serif;
    --font-body: 'Open Sans', sans-serif;

    /* Spacing Scale (8pt grid) */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    --spacing-xxxl: 80px;
    --spacing-xxxxl: 100px;

    /* Border Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-pill: 9999px;

    /* Box Shadows */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-inset: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: var(--neutral-dark-grey);
    background-color: var(--neutral-light-grey);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
    overflow: hidden;
}

/* Base Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--deep-contrast-midnight);
    line-height: 1.1;
}

h1 { font-size: clamp(2.8rem, 5vw + 1rem, 4.5rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw + 1rem, 3.2rem); font-weight: 700; }
h3 { font-size: clamp(1.5rem, 3vw + 1rem, 2.2rem); font-weight: 700; }
p { margin-bottom: var(--spacing-md); }

a {
    text-decoration: none;
    color: var(--primary-teal);
    transition: color 0.3s ease;
}

a:hover, a:focus {
    color: var(--secondary-coral);
    outline: none;
}

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

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

.section-title {
    font-family: var(--font-subheading);
    font-size: clamp(2.5rem, 5vw + 1rem, 3.5rem);
    color: var(--deep-contrast-midnight);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: var(--spacing-xxxxl);
    height: 3px;
    background-color: var(--secondary-coral);
    border-radius: var(--radius-sm);
}

.section-description {
    max-width: 800px;
    margin: 0 auto var(--spacing-xxxl) auto;
    font-size: 1.15em;
    color: #555555;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: var(--shadow-md);
    white-space: nowrap; /* Prevent text wrapping */
    cursor: pointer;
    border: none;
    font-size: 0.95em;
}

.btn:hover, .btn:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    outline: none;
}

.btn-primary {
    background-color: var(--secondary-coral);
    color: var(--neutral-soft-white);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-teal);
}

.btn-secondary {
    background-color: var(--primary-teal);
    color: var(--neutral-soft-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.85em;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover, .btn-secondary:focus {
    background-color: var(--deep-contrast-midnight);
    box-shadow: var(--shadow-md);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8em;
    border-radius: var(--radius-pill);
    background-color: var(--primary-teal);
    color: var(--neutral-soft-white);
    box-shadow: var(--shadow-sm);
}

.btn-small:hover, .btn-small:focus {
    background-color: var(--secondary-coral);
}


/* Header */
.site-header {
    background-color: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-sm) 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.site-header.is-scrolled {
    background-color: var(--neutral-soft-white);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xs) 0;
}

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

.logo {
    font-family: var(--font-subheading);
    font-size: 1.8em;
    font-weight: 700;
    color: var(--deep-contrast-midnight);
    text-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.main-nav a:not(.btn) {
    color: var(--deep-contrast-midnight);
    font-weight: 600;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.main-nav a:not(.btn):hover::after,
.main-nav a:not(.btn):focus::after {
    width: 100%;
}

.main-nav a:not(.btn)::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-teal);
    transition: width 0.3s ease;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    position: relative;
    z-index: 1001;
    width: 44px; /* Ensure tap target size */
    height: 44px;
}

.nav-toggle .bar {
    display: block;
    width: var(--spacing-lg);
    height: 3px;
    background-color: var(--deep-contrast-midnight);
    margin: 6px auto;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-soft-white);
    text-align: center;
    overflow: hidden;
    padding-top: var(--spacing-xxxl); /* Account for fixed header */
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-video-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7); /* Darken for text readability */
    display: block; /* Ensure no extra space below image */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4); /* Dark overlay for text readability */
    z-index: -1;
}

.hero-content {
    z-index: 1;
    max-width: 800px;
    padding: var(--spacing-md);
}

.hero-section h1 {
    font-family: var(--font-subheading); /* Elegant headline */
    font-size: clamp(3.5rem, 6vw + 1rem, 5.5rem);
    margin-bottom: var(--spacing-lg);
    color: var(--neutral-soft-white);
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.hero-section p {
    font-size: clamp(1.1rem, 2vw + 0.5rem, 1.5rem);
    margin-bottom: var(--spacing-xxl);
    color: var(--text-color-light);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* About Us Section */
.about-section {
    background-color: var(--neutral-soft-white);
    padding: var(--spacing-xxxl) 0;
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xxl);
}

.about-item {
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    background-color: var(--neutral-light-grey);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.6s ease, transform 0.6s ease;
    opacity: 0;
    transform: translateY(20px);
}

.about-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.about-item:nth-child(2) { transition-delay: 0.1s; }
.about-item:nth-child(3) { transition-delay: 0.2s; }
.about-item:nth-child(4) { transition-delay: 0.3s; }

.about-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.about-item img {
    width: var(--spacing-xxl);
    height: var(--spacing-xxl);
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(0, 163, 136, 0.3)); /* Teal shadow */
}

.about-item h3 {
    color: var(--primary-teal);
    margin-bottom: var(--spacing-sm);
    font-size: 1.6em;
}

/* Our Classes Section */
.classes-section {
    padding: var(--spacing-xxxl) 0;
    background: linear-gradient(135deg, var(--neutral-light-grey) 0%, #E0F2F1 100%); /* Light gradient background */
    text-align: center;
}

.class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.class-card {
    background-color: var(--neutral-soft-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.6s ease, transform 0.6s ease;
    text-align: left;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
}

.class-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.class-card:nth-child(odd) { transition-delay: 0.1s; }
.class-card:nth-child(even) { transition-delay: 0.2s; }


.class-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.class-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}
.class-card:hover .class-card-image {
    transform: scale(1.05);
}

.class-card-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    height: calc(100% - 250px); /* Adjust height for content below image */
}

.class-card h3 {
    color: var(--deep-contrast-midnight);
    margin-bottom: var(--spacing-xs);
    font-size: 1.6em;
    font-family: var(--font-subheading);
}

.class-card p {
    font-size: 0.95em;
    color: #555555;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1; /* Allow paragraph to take up space */
}

.class-card .btn {
    align-self: flex-end; /* Push button to the bottom right */
    position: static; /* Remove absolute positioning */
    margin-top: auto; /* Push button to bottom */
}


/* Instructors Section */
.instructors-section {
    background-color: var(--neutral-soft-white);
    padding: var(--spacing-xxxl) 0;
    text-align: center;
}

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

.instructor-card {
    background-color: var(--neutral-light-grey);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.6s ease, transform 0.6s ease;
    padding-bottom: var(--spacing-md);
    opacity: 0;
    transform: translateY(20px);
}

.instructor-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.instructor-card:nth-child(1) { transition-delay: 0s; }
.instructor-card:nth-child(2) { transition-delay: 0.1s; }
.instructor-card:nth-child(3) { transition-delay: 0.2s; }
.instructor-card:nth-child(4) { transition-delay: 0.3s; }

.instructor-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.instructor-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    filter: grayscale(20%);
    transition: filter 0.3s ease;
}

.instructor-card:hover img {
    filter: grayscale(0%);
}

.instructor-card h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--primary-teal);
    font-size: 1.5em;
}

.instructor-role {
    color: #777777;
    font-style: italic;
    font-size: 0.9em;
    margin-bottom: var(--spacing-sm);
}
.instructor-bio {
    font-size: 0.9em;
    padding: 0 var(--spacing-md);
    color: #555555;
    margin-bottom: 0;
}


/* Gallery Section */
.gallery-section {
    background-color: #E0F2F1; /* Light teal background */
    padding: var(--spacing-xxxl) 0;
    text-align: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xxl);
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: transform 0.4s ease, box-shadow 0.4s ease, opacity 0.6s ease;
    opacity: 0;
    transform: translateY(20px);
}
.gallery-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.gallery-item:nth-child(1) { transition-delay: 0s; }
.gallery-item:nth-child(2) { transition-delay: 0.1s; }
.gallery-item:nth-child(3) { transition-delay: 0.2s; }
.gallery-item:nth-child(4) { transition-delay: 0.3s; }
.gallery-item:nth-child(5) { transition-delay: 0.4s; }
.gallery-item:nth-child(6) { transition-delay: 0.5s; }


.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

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

/* Testimonials Section */
.testimonials-section {
    background-color: var(--deep-contrast-midnight); /* Midnight Blue background */
    padding: var(--spacing-xxxl) 0;
    color: var(--neutral-soft-white);
    text-align: center;
}

.testimonials-section .section-title {
    color: var(--neutral-soft-white);
}

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-xxl);
    margin: 0 auto var(--spacing-xl) auto;
    max-width: 700px;
    box-shadow: var(--shadow-lg);
    transition: opacity 0.6s ease, transform 0.6s ease;
    opacity: 0;
    transform: translateY(20px);
}
.testimonial-card.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-text {
    font-size: 1.2em;
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    color: var(--text-color-light);
}

.testimonial-author {
    font-weight: 700;
    color: var(--secondary-coral);
    font-size: 1.1em;
    display: block;
}

.testimonial-meta {
    font-size: 0.9em;
    color: #B0B0B0;
}

/* Accordion for more testimonials */
.accordion-container {
    max-width: 700px;
    margin: var(--spacing-xxl) auto 0 auto;
}
.accordion-item {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}
.accordion-header {
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}
.accordion-header h3 {
    color: var(--primary-teal);
    font-size: 1.2em;
    margin: 0;
    font-family: var(--font-heading);
}
.accordion-header::after {
    content: '+';
    position: absolute;
    right: var(--spacing-md);
    font-size: 1.5em;
    color: var(--primary-teal);
    transition: transform 0.3s ease;
}
.accordion-item[aria-expanded="true"] .accordion-header::after {
    transform: rotate(45deg);
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}
.accordion-item[aria-expanded="true"] .accordion-content {
    max-height: 500px; /* Arbitrarily large value for smooth transition */
    padding: var(--spacing-md);
}
.accordion-content .testimonial-card {
    background-color: rgba(255, 255, 255, 0.05);
    box-shadow: none;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    opacity: 1;
    transform: translateY(0);
}


/* Call to Action Section */
.cta-section {
    padding: var(--spacing-xxxxl) var(--spacing-md);
    color: var(--neutral-soft-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}
.cta-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 163, 136, 0.7); /* Teal overlay */
    z-index: -1;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    font-size: clamp(2.5rem, 4.5vw + 1rem, 3.5rem);
    color: var(--neutral-soft-white);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-subheading);
}

.cta-section p {
    font-size: clamp(1.1rem, 1.8vw + 0.5rem, 1.3rem);
    margin-bottom: var(--spacing-xxl);
    color: #E0F2F1;
}

/* Contact Section */
.contact-section {
    background-color: var(--neutral-light-grey);
    padding: var(--spacing-xxxl) 0;
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.contact-item {
    background-color: var(--neutral-soft-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.6s ease, transform 0.6s ease;
    opacity: 0;
    transform: translateY(20px);
}
.contact-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.contact-item:nth-child(1) { transition-delay: 0s; }
.contact-item:nth-child(2) { transition-delay: 0.1s; }
.contact-item:nth-child(3) { transition-delay: 0.2s; }

.contact-item h3 {
    color: var(--deep-contrast-midnight);
    margin-bottom: var(--spacing-md);
    font-size: 1.8em;
}

.contact-item p, .contact-item a {
    font-size: 1.1em;
    color: #555555;
    display: block;
    margin-bottom: var(--spacing-xs);
}
.contact-item a:hover {
    color: var(--secondary-coral);
}

.contact-map {
    margin-top: var(--spacing-xxl);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: opacity 0.6s ease, transform 0.6s ease;
    opacity: 0;
    transform: translateY(20px);
}
.contact-map.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.contact-map iframe {
    width: 100%;
    height: 400px;
    border: 0;
    display: block;
}

/* Footer */
.site-footer {
    background-color: var(--deep-contrast-midnight); /* Midnight Blue */
    color: var(--text-color-light);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    font-size: 0.9em;
}

.site-footer a {
    color: var(--secondary-coral);
    margin: 0 var(--spacing-xs);
}

.site-footer a:hover {
    color: var(--primary-teal);
}

.social-links {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.social-links a {
    display: inline-flex; /* Use flex for centering text */
    justify-content: center;
    align-items: center;
    width: var(--spacing-xl);
    height: var(--spacing-xl);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--neutral-soft-white);
    border-radius: var(--radius-pill);
    margin: 0 var(--spacing-xs);
    transition: background-color 0.3s ease, color 0.3s ease;
    font-family: var(--font-heading); /* Make placeholders look nicer */
    font-weight: 700;
    font-size: 0.9em;
    text-transform: uppercase;
}

.social-links a:hover {
    background-color: var(--secondary-coral);
    color: var(--neutral-soft-white);
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .site-header {
        padding: var(--spacing-sm) 0;
    }
    .header-content {
        padding: 0 var(--spacing-sm);
    }
    .main-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--neutral-soft-white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md) 0;
        border-top: 1px solid var(--neutral-light-grey);
    }
    .main-nav.is-active {
        display: flex;
    }
    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    .main-nav li {
        width: 100%;
        text-align: center;
    }
    .main-nav a:not(.btn) {
        display: block;
        padding: var(--spacing-sm) var(--spacing-md);
        border-radius: var(--radius-sm);
    }
    .main-nav a:not(.btn):hover, .main-nav a:not(.btn):focus {
        background-color: var(--neutral-light-grey);
    }
    .main-nav a:not(.btn)::after {
        display: none;
    }
    .main-nav .btn {
        margin-top: var(--spacing-md);
        width: fit-content;
        margin-left: auto;
        margin-right: auto;
    }
    .nav-toggle {
        display: block;
    }
    .nav-toggle.is-active .bar:nth-child(1) { transform: translateY(9px) rotate(45deg); }
    .nav-toggle.is-active .bar:nth-child(2) { opacity: 0; }
    .nav-toggle.is-active .bar:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

    .hero-section {
        height: 80vh;
    }
    .hero-section h1 {
        font-size: clamp(2.5rem, 5vw + 1rem, 3.5rem);
    }
    .hero-section p {
        font-size: clamp(1em, 1.5vw + 0.5rem, 1.2em);
        margin-bottom: var(--spacing-xl);
    }

    .section-description {
        margin-bottom: var(--spacing-xl);
    }

    .class-grid, .instructor-grid, .gallery-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .class-card-content {
        padding-bottom: calc(var(--spacing-md) + 50px); /* Make room for static button */
    }
    .class-card .btn {
        position: absolute;
        bottom: var(--spacing-md);
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - var(--spacing-xl)); /* button full width minus padding */
        text-align: center;
    }
    .testimonial-card {
        padding: var(--spacing-md);
    }
    .cta-section h2 {
        font-size: clamp(2rem, 3.5vw + 1rem, 2.8rem);
    }
    .cta-section p {
        font-size: clamp(1em, 1.5vw + 0.5rem, 1.1em);
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    .hero-section h1 {
        font-size: clamp(2rem, 4.5vw + 1rem, 3rem);
    }
    .hero-section p {
        font-size: 0.9em;
    }
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.8em;
    }
    .section-title {
        font-size: clamp(1.8rem, 4vw + 1rem, 2.5rem);
    }
    .about-item, .contact-item, .instructor-card {
        padding: var(--spacing-lg);
    }
    .class-card-image {
        height: 200px;
    }
    .contact-map iframe {
        height: 300px;
    }
}