:root {
    /* Modern Color Palette */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --accent-color: #f59e0b;
    --accent-hover: #d97706;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-light: #64748b;
    --text-dark: #0f172a;
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --font-main: 'Poppins', 'Inter', sans-serif;
    --container-width: 1200px;
    --spacing-unit: 1rem;
    --transition-speed: 0.3s;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-bottom: none;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

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

.logo img {
    height: 55px;
    display: block;
    transition: transform var(--transition-speed) ease;
}

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

.contact-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #ffffff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all var(--transition-speed) ease;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.contact-item i {
    font-size: 1.2rem;
}

.contact-item.icon-only {
    padding: 0.5rem;
}

.contact-item.icon-only i {
    font-size: 1.4rem;
}

/* Mobile Header Adjustments */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    .contact-info {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .contact-item span {
        display: none;
    }

    .contact-item.icon-only {
        padding: 0.5rem;
    }
}

/* Pricing Section */
.pricing-section {
    padding: 5rem 0;
    background: linear-gradient(to bottom, var(--bg-light) 0%, #ffffff 100%);
    text-align: center;
    position: relative;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    z-index: 0;
}

.pricing-section .container {
    position: relative;
    z-index: 1;
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.pricing-card {
    background: var(--card-bg);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    width: 320px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transition: transform var(--transition-speed) ease;
}

.pricing-card:hover::before {
    transform: scaleX(1);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.pricing-card h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.pricing-card .price {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1;
}

.pricing-card .price-desc {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
}

.pricing-card.featured {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.03) 0%, rgba(251, 191, 36, 0.03) 100%);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    background: linear-gradient(90deg, var(--accent-color), #fbbf24);
    transform: scaleX(1);
}

.pricing-card.featured:hover {
    transform: translateY(-8px) scale(1.05);
}

.pricing-card.featured .price {
    background: linear-gradient(135deg, var(--accent-color), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-note {
    color: var(--text-light);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    font-weight: 400;
}

/* Classes Info */
.classes-info {
    max-width: 600px;
    margin: 0 auto;
    padding: 2.5rem;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
}

.classes-info h3 {
    color: var(--text-dark);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.classes-info p {
    color: var(--text-color);
    font-size: 1.1rem;
    line-height: 2;
    text-align: center;
    margin: 0.5rem 0;
    font-weight: 500;
}

/* Video Section */
.video-section {
    padding: 5rem 0;
    background: var(--bg-color);
}

.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-speed) ease;
    overflow: hidden;
}

.video-wrapper:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    transform: translateY(-4px);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #fff;
    padding: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

footer p {
    color: #94a3b8;
    font-size: 0.95rem;
    font-weight: 400;
}

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

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

.pricing-card {
    animation: fadeInUp 0.6s ease-out;
}

.pricing-card:nth-child(1) {
    animation-delay: 0.1s;
}

.pricing-card:nth-child(2) {
    animation-delay: 0.2s;
}

/* Responsive Design */
@media (max-width: 768px) {
    .pricing-section {
        padding: 3rem 0;
    }

    .pricing-grid {
        gap: 2rem;
    }

    .pricing-card {
        width: 100%;
        max-width: 350px;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    .pricing-card.featured:hover {
        transform: translateY(-8px) scale(1);
    }

    .video-section {
        padding: 3rem 0;
    }

    .section-note {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .pricing-card h3 {
        font-size: 1.3rem;
    }

    .pricing-card .price {
        font-size: 3rem;
    }

    .logo img {
        height: 45px;
    }
}