/* Reset y variables CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paleta de colores profesional negra/amarilla */
    --primary-black: #000000;
    --secondary-black: #000000;
    --dark-gray: #1b1b1b;
    --medium-gray: #181818;
    --light-gray: #929292;
    --primary-yellow: #ffd700;
    --secondary-yellow: #ffed4e;
    --accent-yellow: #fff59d;
    --white: #ffffff;
    --off-white: #f8f9fa;
    
    /* Tipografía */
    --font-family: 'Poppins', sans-serif;
    --font-light: 300;
    --font-regular: 400;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    
    /* Espaciado */
    --section-padding: 80px 0;
    --container-max-width: 1200px;
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Estilos globales */
html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-bold);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: var(--font-extrabold);
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.8rem;
}

p {
    margin-bottom: 1rem;
    color: var(--off-white);
}

/* Botones */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: var(--font-semibold);
    font-size: 1rem;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    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, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-yellow), var(--secondary-yellow));
    color: var(--primary-black);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
}

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

.btn-secondary:hover {
    background: var(--primary-yellow);
    color: var(--primary-black);
    transform: translateY(-2px);
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.1rem;
}

.btn-course {
    background: var(--secondary-black);
    color: var(--primary-yellow);
    border-color: var(--primary-yellow);
    width: 100%;
    margin-top: auto;
}

.btn-course:hover {
    background: var(--primary-yellow);
    color: var(--primary-black);
}

/* Header */
.header {
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1200px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-radius: 50px;
    border: 2px solid rgba(255, 215, 0, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.navbar {
    padding: 0.1rem 2rem;
}

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

.logo {
    height: 80px;
    width: auto;
    max-width: 400px;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: var(--font-semibold);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-yellow);
    transition: width 0.3s ease;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-yellow);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 140px 0 var(--section-padding);
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.8) 0%, rgba(26, 26, 26, 0.9) 100%), 
                url('img/hero.jpg') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255, 215, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.highlight {
    color: var(--primary-yellow);
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--off-white);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-graphic {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-yellow), var(--secondary-yellow));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: var(--primary-black);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.3);
    animation: float 3s ease-in-out infinite;
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    color: var(--primary-yellow);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--off-white);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section - Redesigned */
.features {
    padding: var(--section-padding);
    background: var(--secondary-black);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(255, 215, 0, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* Main Feature Highlight */
.main-feature {
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.main-feature-content {
    background: linear-gradient(135deg, var(--dark-gray), var(--medium-gray));
    border-radius: var(--border-radius);
    padding: 3rem;
    display: flex;
    align-items: center;
    gap: 3rem;
    border: 2px solid var(--primary-yellow);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.main-feature-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-yellow), var(--secondary-yellow));
}

.main-feature-icon {
    flex-shrink: 0;
}

.main-feature-icon i {
    font-size: 4rem;
    color: var(--primary-yellow);
    background: var(--primary-black);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.3);
    border: 3px solid var(--primary-yellow);
}

.main-feature-text h3 {
    color: var(--primary-yellow);
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: var(--font-bold);
}

.main-feature-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--off-white);
    line-height: 1.6;
}

.feature-stats {
    display: flex;
    gap: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-extrabold);
    color: var(--primary-yellow);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--light-gray);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: var(--dark-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-yellow);
    box-shadow: 0 20px 50px rgba(255, 215, 0, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-yellow), var(--secondary-yellow));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--primary-black);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.4);
}

.feature-card h4 {
    color: var(--primary-yellow);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: var(--font-bold);
}

.feature-card p {
    color: var(--off-white);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.feature-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 215, 0, 0.1);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--primary-yellow);
    font-weight: var(--font-semibold);
}

.feature-highlight i {
    font-size: 0.8rem;
}

/* Features CTA */
.features-cta {
    text-align: center;
    background: linear-gradient(135deg, var(--primary-black), var(--dark-gray));
    padding: 3rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--medium-gray);
    position: relative;
    z-index: 2;
}

.features-cta .cta-content h3 {
    color: var(--primary-yellow);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: var(--font-bold);
}

.features-cta .cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--off-white);
}

.features-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.features-cta .btn i {
    font-size: 1.1rem;
}

/* Courses Section */
.courses {
    padding: var(--section-padding);
    background: var(--primary-black);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.course-card {
    background: var(--secondary-black);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
    border: 2px solid var(--dark-gray);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.course-card.featured {
    border-color: var(--primary-yellow);
    transform: scale(1.05);
}

.course-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-yellow);
    color: var(--primary-black);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: var(--font-bold);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.course-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.course-image {
    text-align: center;
    margin-bottom: 1.5rem;
}

.course-image i {
    font-size: 4rem;
    color: var(--primary-yellow);
    background: var(--dark-gray);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.course-content h3 {
    color: var(--primary-yellow);
    margin-bottom: 1rem;
}

.course-features {
    list-style: none;
    margin: 1.5rem 0;
}

.course-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.course-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-yellow);
    font-weight: var(--font-bold);
}

.course-price {
    font-size: 2rem;
    font-weight: var(--font-bold);
    color: var(--primary-yellow);
    text-align: center;
    margin: 1.5rem 0;
}

/* About Section */
.about {
    padding: var(--section-padding);
    background: var(--secondary-black);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    color: var(--primary-yellow);
    margin-bottom: 1.5rem;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-extrabold);
    color: var(--primary-yellow);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--light-gray);
}

.about-img {
    width: 150%;
    max-width: 900px;
    height: auto;
    transition: var(--transition);
    object-fit: cover;
}

.about-img:hover {
    transform: scale(1.02);
    opacity: 0.9;
}

.about-image {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

/* Mantener el estilo anterior como fallback */
.about-graphic {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-yellow), var(--secondary-yellow));
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--primary-black);
    margin: 0 auto;
    transform: rotate(15deg);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.3);
}

/* Testimonials Section */
.testimonials {
    padding: var(--section-padding);
    background: var(--primary-black);
}

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

.testimonial-card {
    background: var(--dark-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-yellow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.testimonial-content p {
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.author-info h4 {
    color: var(--primary-yellow);
    margin-bottom: 0.2rem;
}

.author-info span {
    color: var(--light-gray);
    font-size: 0.9rem;
}

/* CTA Section */
.cta {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--secondary-black), var(--primary-black));
    text-align: center;
}

.cta-content h2 {
    color: var(--primary-yellow);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: var(--secondary-black);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-yellow);
    color: var(--primary-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.contact-details h4 {
    color: var(--primary-yellow);
    margin-bottom: 0.5rem;
}

.contact-form {
    background: var(--dark-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius);
    background: var(--secondary-black);
    color: var(--white);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-yellow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--light-gray);
}

/* Footer */
.footer {
    background: var(--primary-black);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--dark-gray);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    height: 60px;
    width: auto;
    max-width: 250px;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.footer-logo:hover {
    transform: scale(1.05);
}

.footer-brand h3 {
    color: var(--primary-yellow);
    margin-bottom: 1rem;
}

.footer-brand p {
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--dark-gray);
    color: var(--primary-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-yellow);
    color: var(--primary-black);
    transform: translateY(-3px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: var(--primary-yellow);
    margin-bottom: 1rem;
}

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

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

.footer-column ul li a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--primary-yellow);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-gray);
    color: var(--light-gray);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--secondary-dark) 100%);
    margin: 5% auto;
    border-radius: 20px;
    width: 90%;
    max-width: 450px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 215, 0, 0.3);
    animation: slideInDown 0.4s ease;
    overflow: hidden;
}

.modal-header {
    padding: 1rem 1rem 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.modal-header h2 {
    color: var(--primary-yellow);
    margin: 0;
    font-size: 1.8rem;
}

.close {
    color: var(--light-gray);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.close:hover {
    color: var(--primary-yellow);
    transform: rotate(90deg);
}

.modal-body {
    padding: 1rem 2rem 2rem;
    text-align: center;
}

.modal-body h3 {
    color: var(--primary-yellow);
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: var(--font-bold);
}

.modal-form .form-group {
    margin-bottom: 1rem;
}

.modal-form input {
    width: 100%;
    padding: 1rem;
    border: none;
    border-bottom: 2px solid var(--dark-gray);
    border-radius: 0;
    background: transparent;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.modal-form input::placeholder {
    color: var(--light-gray);
    opacity: 0.7;
}

.modal-form input:focus {
    border-bottom-color: var(--primary-yellow);
    background: rgba(255, 215, 0, 0.05);
}

.modal-submit {
    width: 100%;
    margin-top: 2rem;
    padding: 1.2rem;
    font-size: 1.1rem;
    font-weight: var(--font-bold);
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

.modal-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.4);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* Header mobile */
    .header {
        width: 98%;
        top: 5px;
    }
    
    .navbar {
        padding: 0.15rem 1rem;
    }
    
    /* Logo mobile */
    .logo {
        height: 65px;
        max-width: 320px;
    }
    
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        transition: right 0.3s ease;
        padding: 2rem;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-graphic {
        width: 200px;
        height: 200px;
        font-size: 5rem;
    }
    
    /* Grids */
    .courses-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Features mobile adjustments */
    .main-feature-content {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
        gap: 2rem;
    }
    
    .main-feature-text h3 {
        font-size: 1.6rem;
    }
    
    .feature-stats {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .main-feature-icon i {
        width: 100px;
        height: 100px;
        font-size: 3rem;
    }
    
    .features-cta {
        padding: 2rem;
    }
    
    .features-cta .cta-content h3 {
        font-size: 1.5rem;
    }
    
    .course-card.featured {
        transform: none;
    }
    
    .course-card.featured:hover {
        transform: translateY(-5px);
    }
    
    /* About */
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats {
        justify-content: center;
    }
    
    .about-img {
        max-width: 350px;
        margin: 0 auto;
    }
    
    .about-image {
        padding: 0.5rem;
        margin-top: 2rem;
    }
    
    .about-graphic {
        width: 200px;
        height: 200px;
        font-size: 4rem;
    }
    
    /* Contact */
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-logo {
        height: 50px;
        max-width: 200px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 12px 24px;
    }
    
    .hero {
        padding: 100px 0 40px;
    }
    
    .hero-graphic {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }
    
    .feature-card,
    .course-card,
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* Modal responsive */
    .modal-content {
        margin: 5% auto;
        width: 95%;
    }
    
    .modal-header {
        padding: 1.5rem 1.5rem 1rem;
    }
    
    .modal-header h2 {
        font-size: 1.4rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
}