:root {
    /* Core color palette */
    --primary-color: #1E1E1E;
    --accent-color: #FFC107;
    --background-color: #121416;
    --text-color: #F5F5F5;
    --secondary-text: #D0D0D0;
    --card-bg: rgba(30, 35, 45, 0.6);

    /* Quantum palette */
    --quantum-blue: rgba(40, 120, 255, 0.8);
    --quantum-purple: rgba(120, 40, 200, 0.8);
    --quantum-teal: rgba(40, 200, 180, 0.8);
    --quantum-glow: 0 0 20px rgba(40, 120, 255, 0.2);
    --cosmic-gradient: linear-gradient(135deg, var(--quantum-blue), var(--quantum-purple), var(--quantum-teal));

    /* Spacing system */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.75rem;
    --font-size-2xl: 2.5rem;
    --font-size-3xl: 3.5rem;

    /* Effects */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.2);
    --shadow-cosmic: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 80px rgba(40, 80, 160, 0.15) inset;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.8s ease;
    --transition-cosmic: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    --font-primary: 'Space Grotesk', sans-serif;
    --font-secondary: 'Playfair Display', serif;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background: var(--background-color);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Quantum Membrane Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
            radial-gradient(circle at 20% 30%, rgba(40, 120, 255, 0.05) 0%, transparent 50%),
            radial-gradient(circle at 80% 40%, rgba(120, 40, 200, 0.05) 0%, transparent 50%),
            radial-gradient(circle at 40% 80%, rgba(255, 193, 7, 0.05) 0%, transparent 50%);
    z-index: -2;
    animation: membrane-pulse 20s infinite alternate;
}

@keyframes membrane-pulse {
    0% {
        opacity: 0.5;
        transform: scale(1);
        filter: hue-rotate(0deg);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
        filter: hue-rotate(10deg);
    }
    100% {
        opacity: 0.6;
        transform: scale(1.02);
        filter: hue-rotate(0deg);
    }
}

/* Fractal Grid */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
            linear-gradient(rgba(40, 120, 255, 0.03) 1px, transparent 1px),
            linear-gradient(90deg, rgba(40, 120, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    opacity: 0.5;
    transform-origin: center bottom;
    transform: perspective(1000px) rotateX(60deg);
    pointer-events: none;
    animation: grid-flow 30s linear infinite;
}

@keyframes grid-flow {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 1000px;
    }
}

.quantum-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: var(--font-size-3xl);
}

h2 {
    font-size: var(--font-size-2xl);
}

h3 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--space-md);
}

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

a:hover {
    color: #FFD54F;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent-color);
    color: var(--primary-color);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
}

.btn::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: 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    background-color: #FFD54F;
    color: #D0D0D0;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

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

.section {
    padding: var(--space-lg) 0;
    position: relative;
    overflow: hidden;
}

.section-title {
    position: relative;
    margin-bottom: var(--space-lg);
    text-align: center;
    display: inline-block;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    transition: width var(--transition-medium);
}

.section-title:hover::after {
    width: 100%;
}

.header {
    position: relative;
    width: 100%;
    z-index: 100;
    transition: transform var(--transition-medium);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
}

.logo {
    font-family: var(--font-secondary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
    overflow: hidden;
}

.nav-toggle {
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 10;
    display: none;
}

.nav-toggle span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--accent-color);
    border-radius: 2px;
    left: 0;
    transition: all var(--transition-fast);
}

.nav-toggle span:nth-child(1) {
    top: 0;
}

.nav-toggle span:nth-child(2) {
    top: 9px;
}

.nav-toggle span:nth-child(3) {
    top: 18px;
}

.nav-toggle.active span:nth-child(1) {
    top: 9px;
    transform: rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    top: 9px;
    transform: rotate(-45deg);
}

.nav {
    display: flex;
    gap: var(--space-md);
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-color);
    overflow: hidden;
    background: url("../pictures/hero-bg.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: 0 var(--space-md);
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
    transform: translateY(20px);
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    text-shadow: 2px 2px 5px var(--accent-color);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards 0.3s;
}

.hero-btns {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s ease forwards 0.6s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.course-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.course-img {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.course-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.course-card:hover .course-img img {
    transform: scale(1.1);
}

.course-content {
    padding: var(--space-md);
}

.course-level {
    display: inline-block;
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.course-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.course-desc {
    margin-bottom: var(--space-md);
    color: var(--secondary-text);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.instructor {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    transition: transform var(--transition-medium);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.instructor:hover {
    transform: translateX(10px);
}

.instructor-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.instructor-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.instructor:hover .instructor-img img {
    transform: scale(1.1);
}

.instructor-info {
    flex-grow: 1;
}

.instructor-name {
    margin-bottom: var(--space-xs);
    font-size: var(--font-size-lg);
}

.instructor-role {
    color: var(--accent-color);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-sm);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 193, 7, 0.05) 0%, transparent 50%);
    transform: rotate(45deg);
    z-index: -1;
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    background: rgba(30, 30, 30, 0.5);
    color: var(--text-color);
    font-family: var(--font-primary);
    font-size: var(--font-size-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.2);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.consent-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.consent-checkbox input[type="checkbox"] {
    margin-top: 5px;
}

.map-container {
    height: 400px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: var(--space-md) 0;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-link {
    color: var(--secondary-text);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.copyright {
    font-size: var(--font-size-sm);
    color: var(--secondary-text);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top i {
    font-size: 1.5rem;
}

.thank-you {
    text-align: center;
    padding: var(--space-xl) 0;
}

.thank-you-icon {
    font-size: 5rem;
    color: var(--accent-color);
    margin-bottom: var(--space-md);
}

.error-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.error-code {
    font-size: 10rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    background: linear-gradient(90deg, var(--accent-color), #FFA000);
    -webkit-background-clip: text;
    color: transparent;
}

.error-message {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-lg);
}

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    padding: var(--space-md);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform var(--transition-medium);
}

.cookie-consent.active {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.cookie-text {
    flex-grow: 1;
}

.cookie-btns {
    display: flex;
    gap: var(--space-sm);
}

/* Legal Pages Enhanced */
.legal-content {
    background: var(--card-bg);
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(100, 140, 255, 0.1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-cosmic);
    transition: transform var(--transition-cosmic), box-shadow var(--transition-cosmic);
}

.legal-content:hover {
    transform: translateY(-5px);
}

.legal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(40, 120, 255, 0.05) 0%, transparent 50%);
    z-index: -1;
}

.legal-title {
    margin-bottom: var(--space-md);
    font-size: var(--font-size-xl);
    position: relative;
    display: inline-block;
    background: linear-gradient(90deg,
    var(--text-color) 0%,
    var(--quantum-blue) 50%,
    var(--text-color) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 8s linear infinite;
}

@keyframes shine {
    to {
        background-position: 200% center;
    }
}

.last-updated {
    font-size: var(--font-size-sm);
    color: var(--secondary-text);
    margin-bottom: var(--space-md);
}

.legal-subtitle {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-lg);
    color: var(--accent-color);
    position: relative;
    padding-left: var(--space-sm);
    transition: transform var(--transition-medium);
}

.legal-subtitle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 3px;
    background: var(--accent-color);
    border-radius: 3px;
    transform: scaleY(0.7);
    transition: transform var(--transition-medium);
}

.legal-subtitle:hover {
    transform: translateX(5px);
}

.legal-subtitle:hover::before {
    transform: scaleY(1);
}

.legal-list {
    margin-bottom: var(--space-md);
    padding-left: var(--space-md);
}

.legal-list li {
    margin-bottom: var(--space-xs);
    position: relative;
    transition: transform var(--transition-fast);
}

.legal-list li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: -1rem;
}

.legal-list li:hover {
    transform: translateX(3px);
}

.home-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-medium);
    background: rgba(30, 35, 45, 0.4);
    overflow: hidden;
}

.home-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(100, 140, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s;
}

.home-button:hover {
    background: rgba(30, 35, 45, 0.6);
    transform: translateY(-3px);
    box-shadow: var(--quantum-glow);
}

.home-button:hover::before {
    transform: translateX(100%);
}

/* Cookie Table */
.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-md) 0;
    background: rgba(30, 35, 45, 0.5);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: transform var(--transition-medium);
    position: relative;
}

.cookie-table::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--accent-color), transparent);
    opacity: 0.7;
}

.cookie-table:hover {
    transform: translateX(5px);
}

.cookie-table th,
.cookie-table td {
    padding: var(--space-sm);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cookie-table th {
    background: rgba(20, 25, 35, 0.7);
    font-weight: 700;
    color: var(--accent-color);
}

.cookie-table tr:last-child td {
    border-bottom: none;
}

.cookie-table tr:nth-child(even) {
    background: rgba(40, 40, 40, 0.3);
}

.cookie-table tr:hover td {
    background: rgba(40, 45, 60, 0.5);
}

/* Timeline for Return Policy */
.policy-timeline {
    position: relative;
    margin: var(--space-xl) 0;
    padding-left: 60px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-cosmic);
}

.timeline-item.active {
    opacity: 1;
    transform: translateY(0);
}

.timeline-marker {
    position: absolute;
    left: -60px;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    z-index: 1;
    box-shadow: 0 0 20px rgba(255, 193, 7, 0.3);
}

.timeline-marker::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 54px;
    height: 54px;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
    animation: pulse 2s infinite;
}

.timeline-connector {
    position: absolute;
    top: 40px;
    left: -40px;
    width: 2px;
    height: calc(100% + var(--space-lg) - 40px);
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    opacity: 0.3;
}

.timeline-content {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--space-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(100, 140, 255, 0.1);
    position: relative;
    transition: transform var(--transition-medium);
    box-shadow: var(--shadow-md);
}

.timeline-content:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.timeline-title {
    margin-bottom: var(--space-sm);
    color: var(--accent-color);
}

@media (max-width: 1024px) {
    :root {
        --font-size-3xl: 3rem;
        --font-size-2xl: 2.25rem;
        --font-size-xl: 1.5rem;
    }

    .hero {
        height: 90vh;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-3xl: 2.5rem;
        --font-size-2xl: 2rem;
        --font-size-xl: 1.25rem;
        --space-lg: 3rem;
        --space-xl: 4rem;
    }

    .nav-toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 280px;
        background: rgba(0, 0, 0, 0.9);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: transform var(--transition-medium);
        z-index: 5;
    }

    .nav.open {
        transform: translateX(0);
    }

    .hero-btns {
        flex-direction: column;
    }

    .instructor {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .instructor-img {
        margin-bottom: var(--space-sm);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .cookie-content {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .section-title{
        font-size: var(--font-size-2xl);
    }

    :root {
        --font-size-3xl: 2rem;
        --font-size-2xl: 1.75rem;
        --font-size-xl: 1.15rem;
        --space-md: 1.5rem;
        --space-lg: 2rem;
        --space-xl: 3rem;
    }

    .contact-form {
        padding: var(--space-md);
    }

    .hero-btns .btn {
        width: 100%;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .quantum-particles {
        opacity: 0.2;
    }
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
    text-align: center;
}

.feature {
    background: var(--card-bg);
    padding: var(--space-md);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    backdrop-filter: blur(10px);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), var(--quantum-glow);
}

.feature i {
    font-size: var(--font-size-2xl);
    color: var(--accent-color);
    margin-bottom: var(--space-sm);
    display: block;
    transition: transform var(--transition-fast);
}

.feature:hover i {
    transform: scale(1.1) rotate(5deg);
}

.feature h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xs);
    color: var(--text-color);
}

.feature p {
    color: var(--secondary-text);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.testimonial {
    background: var(--card-bg);
    padding: var(--space-md);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.testimonial:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-cosmic);
}

.testimonial-content p {
    font-style: italic;
    color: var(--secondary-text);
    margin-bottom: var(--space-md);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.author-info h4 {
    margin-bottom: 0;
    font-size: var(--font-size-md);
    color: var(--accent-color);
}

.author-info span {
    font-size: var(--font-size-sm);
    color: var(--secondary-text);
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-basis: calc(33.33% - var(--space-md));
    min-width: 250px;
    background: var(--card-bg);
    padding: var(--space-md);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-color);
}

.contact-item i {
    font-size: var(--font-size-xl);
    color: var(--accent-color);
    flex-shrink: 0;
}

.contact-item p {
    margin-bottom: 0;
    color: var(--secondary-text);
    font-size: var(--font-size-md);
    line-height: 1.4;
}

.contact-item a {
    color: var(--secondary-text);
}

.contact-item a:hover {
    color: var(--accent-color);
}

@media (max-width: 1024px) {
    .contact-item {
        flex-basis: calc(50% - var(--space-md));
    }
}

@media (max-width: 768px) {
    .contact-info {
        flex-direction: column;
        gap: var(--space-sm);
    }
    .contact-item {
        flex-basis: 100%;
    }
}

.cta-content {
    text-align: center;
    background: linear-gradient(135deg, rgba(40, 120, 255, 0.1) 0%, rgba(120, 40, 200, 0.1) 100%);
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--quantum-blue);
    box-shadow: var(--shadow-cosmic);
    transition: all var(--transition-medium);
}

.cta-content:hover {
    transform: scale(1.02);
    border-color: var(--quantum-teal);
    box-shadow: 0 15px 40px rgba(40, 120, 255, 0.3);
}

.cta-content h2 {
    color: var(--text-color);
    margin-bottom: var(--space-sm);
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: var(--secondary-text);
    margin-bottom: var(--space-md);
}

.cta-content .btn {
    box-shadow: var(--shadow-md);
}

.courses-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-xl) 0;
}

.course-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(var(--accent-color), 0.5);
}

.course-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.course-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course-card:hover .course-img img {
    transform: scale(1.05);
}

.course-level {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-transform: uppercase;
    z-index: 10;
}

.course-content {
    padding: var(--space-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-title {
    font-size: var(--font-size-xl);
    color: var(--text-color);
    margin-top: 0;
    margin-bottom: var(--space-xs);
    font-family: 'Playfair Display', serif;
}

.course-desc {
    color: var(--secondary-text);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-md);
    flex-grow: 1;
}

.course-content .btn {
    align-self: flex-start;
    margin-top: auto;
}

@media (max-width: 768px) {
    .courses-list {
        grid-template-columns: 1fr;
    }
}

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

.faq-accordion {
    max-width: 900px;
    margin: var(--space-lg) auto 0;
}

.faq-item {
    margin-bottom: var(--space-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background: var(--card-bg);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--space-md);
    background: transparent;
    color: var(--text-color);
    font-size: var(--font-size-lg);
    font-weight: 500;
    text-align: left;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-family: 'Space Grotesk', sans-serif;
}

.faq-question:hover,
.faq-question.active {
    background-color: rgba(var(--accent-color), 0.1);
    color: var(--accent-color);
}

.faq-question i {
    font-size: var(--font-size-sm);
    transition: transform 0.3s ease;
    margin-left: var(--space-sm);
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
}

.faq-answer.open {
    max-height: 500px;
    padding: 0 var(--space-md) var(--space-md) var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-answer p {
    color: var(--secondary-text);
    margin-bottom: 0;
    line-height: 1.6;
}

.course-info i{
    color: var(--accent-color);
}

.course-details{
    margin-bottom: var(--space-sm);
}