* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Layout Classes */
.min-h-screen {
    min-height: 100vh;
}

.bg-gradient {
    background: linear-gradient(to bottom, #dbeafe, #ffffff);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.text-center {
    text-align: center;
}

/* Navigation */
.navbar {
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid #e5e7eb;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

.nav-buttons {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
    height: 40px;
    padding: 0 1rem;
}

.btn-primary {
    background-color: #111827;
    color: white;
}

.btn-primary:hover {
    background-color: #1f2937;
}

.btn-secondary {
    background-color: transparent;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background-color: #f3f4f6;
}

.btn-large {
    height: 44px;
    padding: 0 2rem;
    font-size: 1.125rem;
}

.arrow-icon {
    width: 20px;
    height: 20px;
    margin-left: 0.5rem;
}

/* Hero Section */
.hero-section {
    padding: 5rem 1rem;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1.5rem;
}

.text-blue {
    color: #2563eb;
}

.hero-description {
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 2rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

/* Sections */
.section {
    padding: 4rem 1rem;
}

.section-white {
    background-color: white;
}

.section-gray {
    background-color: #f9fafb;
}

.section-blue {
    background-color: #2563eb;
    color: white;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1rem;
}

.section-title.text-white {
    color: white;
}

.section-description {
    font-size: 1.125rem;
    color: #6b7280;
    max-width: 32rem;
    margin: 0 auto;
}

/* Programs Grid */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.program-card {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: border-color 0.2s ease;
}

.card-blue:hover {
    border-color: #93c5fd;
}

.card-green:hover {
    border-color: #86efac;
}

.card-purple:hover {
    border-color: #c4b5fd;
}

.card-header {
    padding: 1.5rem;
    text-align: center;
}

.icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.icon-blue {
    background-color: #dbeafe;
    color: #2563eb;
}

.icon-green {
    background-color: #dcfce7;
    color: #16a34a;
}

.icon-purple {
    background-color: #e9d5ff;
    color: #9333ea;
}

.icon {
    width: 32px;
    height: 32px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-description {
    font-size: 0.875rem;
    color: #6b7280;
}

.card-content {
    padding: 0 1.5rem 1.5rem;
}

.pricing-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.price-badge {
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.price-standard {
    background-color: #f3f4f6;
    color: #374151;
}

.price-theory {
    background-color: transparent;
    color: #374151;
    border: 1px solid #d1d5db;
}

.hardware-note {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.5rem;
}

/* Achievements Grid */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.achievement-item {
    text-align: center;
}

.achievement-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.achievement-description {
    color: #6b7280;
}

/* Timeline Section */
.timeline-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.clock-icon {
    width: 32px;
    height: 32px;
    margin-right: 0.75rem;
}

.timeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: white;
}

.timeline-text {
    color: #bfdbfe;
}

/* CTA Section */
.cta-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background-color: #111827;
    color: white;
    padding: 3rem 1rem;
}

.footer-content {
    text-align: center;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-description {
    color: #9ca3af;
    margin-bottom: 1rem;
}

.footer-contact {
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .nav-buttons {
        gap: 0.5rem;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.75rem;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .nav-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
    
    .nav-container {
        padding: 0 2rem;
    }
}