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

:root {
    --primary-color: #4A90E2;
    --secondary-color: #50C878;
    --accent-color: #FF6B6B;
    --dark-color: #2C3E50;
    --light-color: #F8F9FA;
    --text-color: #333;
    --text-light: #666;
    --border-color: #E0E0E0;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 20px rgba(0,0,0,0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

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

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

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

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6BA3E8 100%);
    color: white;
    padding: 100px 20px;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #45B869;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

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

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: var(--light-color);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
}

/* Testimonials */
.testimonials {
    padding: 80px 20px;
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

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

.testimonial-card {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.testimonial-author {
    color: var(--text-light);
    font-weight: 600;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #6BA3E8 100%);
    color: white;
    padding: 60px 20px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* About Page */
.about-content {
    padding: 60px 20px;
}

.about-section {
    margin-bottom: 3rem;
}

.about-section h2 {
    color: var(--dark-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-section p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

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

.approach-item {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 10px;
}

.approach-item h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.tutor-qualities {
    list-style: none;
    margin-top: 1rem;
}

.tutor-qualities li {
    padding: 0.5rem 0;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Services Page */
.services-content {
    padding: 60px 20px;
}

.service-category {
    margin-bottom: 4rem;
}

.service-category h2 {
    color: var(--dark-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.service-category > p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.subject-card {
    background: white;
    border: 2px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 10px;
    transition: all 0.3s;
}

.subject-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.subject-card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.subject-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.additional-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.service-item {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 10px;
}

.service-item h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.service-item p {
    color: var(--text-light);
}

.cta-section {
    text-align: center;
    padding: 3rem 0;
    background: var(--light-color);
    border-radius: 10px;
    margin-top: 3rem;
}

.cta-section h2 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.cta-section p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Pricing Page */
.pricing-content {
    padding: 60px 20px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 2.5rem;
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

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

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-card h3 {
    color: var(--dark-color);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.price {
    margin: 2rem 0;
}

.currency {
    font-size: 1.5rem;
    vertical-align: top;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.period {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 2rem 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-info {
    margin-bottom: 4rem;
}

.pricing-info h2 {
    text-align: center;
    color: var(--dark-color);
    margin-bottom: 2rem;
}

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

.package-card {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.package-card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.package-discount {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.package-price {
    color: var(--text-color);
    font-weight: 600;
    margin-top: 1rem;
}

.pricing-faq {
    margin-bottom: 3rem;
}

.pricing-faq h2 {
    color: var(--dark-color);
    margin-bottom: 2rem;
}

.faq-item {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.faq-item h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: var(--text-light);
}

/* Booking Page */
.booking-content {
    padding: 60px 20px;
}

.booking-form-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.booking-form,
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.booking-form h2,
.contact-form h2 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

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

.form-group textarea {
    resize: vertical;
}

.booking-info {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
}

.booking-info h3 {
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.info-steps {
    margin-bottom: 2rem;
}

.step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.step-number {
    background: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--dark-color);
    margin-bottom: 0.25rem;
}

.step-content p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-alternative {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.contact-alternative h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.contact-alternative p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* Contact Page */
.contact-content {
    padding: 60px 20px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-form-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-info {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
}

.contact-info h2 {
    color: var(--dark-color);
    margin-bottom: 2rem;
}

.contact-details {
    margin-bottom: 2rem;
}

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

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.social-media {
    margin-bottom: 2rem;
}

.social-media h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

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

.social-link {
    background: white;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    transition: all 0.3s;
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
}

.office-hours {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
}

.office-hours h3 {
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.hours-item:last-child {
    border-bottom: none;
}

.hours-item span:first-child {
    color: var(--text-color);
    font-weight: 600;
}

.hours-item span:last-child {
    color: var(--text-light);
}

/* Footer */
footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 20px 1rem;
    margin-top: 4rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 0.5rem;
}

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

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

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
        gap: 1rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .booking-form-container,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    .features-grid,
    .testimonials-grid,
    .subjects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 20px;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }
}