/* Reset & Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #006CBF;
    --primary-dark: #005299;
    --secondary: #019E7C;
    --secondary-dark: #018568;
    --dark: #1a1a2e;
    --gray-900: #2d2d44;
    --gray-700: #4a4a68;
    --gray-500: #6e6e8a;
    --gray-300: #b0b0c4;
    --gray-100: #f0f0f5;
    --white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --radius: 12px;
    --radius-lg: 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Ubuntu', sans-serif;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

img {
    max-width: 100%;
    height: auto;
}

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: 'Ubuntu', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

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

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

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    font-family: 'Ubuntu', sans-serif;
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--dark);
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-list a {
    font-weight: 500;
    color: var(--gray-700);
}

.nav-list a:hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--white) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero h1 {
    font-size: 3.2rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-500);
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Ubuntu', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.hero-cta {
    display: flex;
    gap: 16px;
}

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

.hero-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 300px;
}

.hero-card-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.hero-card p {
    font-size: 1.1rem;
    color: var(--gray-700);
    font-weight: 500;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: var(--radius);
    background: var(--gray-100);
    transition: all 0.3s ease;
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--gray-500);
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--gray-500);
}

/* Courses Section */
.courses {
    padding: 100px 0;
    background: var(--gray-100);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.course-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.course-card.featured {
    border: 3px solid var(--primary);
}

.course-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.course-card.featured .course-badge {
    background: var(--primary);
}

.course-header {
    text-align: center;
    margin-bottom: 24px;
}

.course-header h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.course-tagline {
    color: var(--gray-500);
    font-size: 0.95rem;
}

.course-price {
    text-align: center;
    margin-bottom: 28px;
}

.price-old {
    color: var(--gray-300);
    text-decoration: line-through;
    font-size: 1.1rem;
    margin-right: 12px;
}

.price-current {
    font-family: 'Ubuntu', sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary);
}

.course-features {
    margin-bottom: 32px;
}

.course-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

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

/* Why TEFL Section */
.why-tefl {
    padding: 100px 0;
    background: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.why-card {
    padding: 32px;
    border-radius: var(--radius);
    background: var(--gray-100);
    transition: all 0.3s ease;
}

.why-card:hover {
    background: var(--white);
    box-shadow: var(--shadow);
}

.why-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.why-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.why-card p {
    color: var(--gray-500);
}

/* Accreditation Section */
.accreditation {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.accreditation-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.accreditation-text h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.accreditation-text p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

.accreditation-list li {
    padding: 10px 0;
    font-size: 1.05rem;
}

.accreditation-badges {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.badge-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 24px 32px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 16px;
}

.badge-icon {
    font-size: 2rem;
}

.badge-text {
    font-weight: 600;
    font-size: 1.1rem;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: var(--gray-100);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-style: italic;
    color: var(--gray-700);
    font-size: 1.05rem;
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.author-info strong {
    display: block;
    color: var(--dark);
}

.author-info span {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* Destinations Section */
.destinations {
    padding: 100px 0;
    background: var(--white);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.destination-card {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius);
    background: var(--gray-100);
    transition: all 0.3s ease;
}

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

.destination-emoji {
    font-size: 3rem;
    margin-bottom: 12px;
}

.destination-card h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.destination-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--gray-100);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 24px 28px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: 'Ubuntu', sans-serif;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--dark);
    text-align: left;
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 28px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 28px 24px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--gray-500);
    line-height: 1.7;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    text-align: center;
}

.cta h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta p {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    margin-bottom: 32px;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-item strong {
    display: block;
    color: var(--dark);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--gray-500);
}

.contact-form {
    background: var(--gray-100);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--gray-100);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    background: var(--white);
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--gray-300);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--gray-900);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .courses-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .destinations-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header .btn {
        display: none;
    }

    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
    }

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

    .hero-stats {
        justify-content: center;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-image {
        display: none;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .accreditation-content {
        grid-template-columns: 1fr;
    }

    .destinations-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .destinations-grid {
        grid-template-columns: 1fr;
    }
}