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

:root {
    --primary: #7c9885;
    --secondary: #b8a893;
    --accent: #d4b896;
    --dark: #3d4f3f;
    --light: #f5f3ef;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--dark);
    background: var(--light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 70vh;
    background: url('https://images.unsplash.com/photo-1545389336-cf090694435e?w=1600') center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(124, 152, 133, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    font-weight: 300;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(124, 152, 133, 0.3);
}

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

.btn-secondary:hover {
    background: var(--accent);
}

/* Welcome Section */
.welcome-section {
    padding: 6rem 0;
    background: var(--white);
}

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

.welcome-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.welcome-text h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.welcome-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Benefits Section */
.benefits-section {
    padding: 6rem 0;
    background: var(--light);
}

.benefits-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 4rem;
    font-weight: 300;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
}

.benefit-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    color: var(--dark);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.benefit-card p {
    color: var(--dark);
    line-height: 1.6;
}

/* Classes Preview */
.classes-preview {
    padding: 6rem 0;
    background: var(--white);
}

.classes-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 4rem;
    font-weight: 300;
}

.classes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.class-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.class-card:hover {
    transform: translateY(-8px);
}

.class-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.class-info {
    padding: 2rem;
}

.class-info h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}

.class-info p {
    color: var(--dark);
    margin-bottom: 1rem;
}

.class-level {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--light);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
    padding: 6rem 2rem;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

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

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
    color: var(--accent);
}

.footer-col p {
    margin: 0.5rem 0;
    opacity: 0.9;
}

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

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
    padding: 4rem 2rem;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 300;
}

.page-header p {
    font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .welcome-grid,
    .instructor-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .benefits-grid,
    .classes-grid {
        grid-template-columns: 1fr;
    }
}