:root {
    --primary: #1e88e5;
    --secondary: #0d47a1;
    --accent: #f57c00;
    --dark: #1565c0;
    --light: #e3f2fd;
    --white: #ffffff;
    --gray: #666666;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --radius: 8px;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: var(--white);
}

h1, h2, h3, h4 {
    font-family: 'Roboto Slab', serif;
    font-weight: 600;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary);
}

.logo-text span {
    color: var(--primary);
}

.location-badge {
    background-color: var(--light);
    color: var(--secondary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 5px;
    display: inline-block;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

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

nav ul li a:hover {
    color: var(--primary);
}

nav ul li a.active {
    color: var(--primary);
}

nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary);
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    text-decoration: none;
    transition: all 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
}

.whatsapp-text {
    position: fixed;
    bottom: 95px;
    right: 30px;
    background-color: var(--secondary);
    color: white;
    padding: 10px 15px;
    border-radius: var(--radius);
    font-weight: 500;
    box-shadow: var(--shadow);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.whatsapp-float:hover + .whatsapp-text {
    opacity: 1;
}

.hero {
    background: linear-gradient(rgba(30, 136, 229, 0.85), rgba(13, 71, 161, 0.9)), url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.2rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 14px 32px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: #e65100;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

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

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

section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--secondary);
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--accent);
}

.courses-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.course-card {
    background-color: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    border-top: 5px solid var(--primary);
}

.course-card:hover {
    transform: translateY(-10px);
    border-top-color: var(--accent);
}

.course-img {
    height: 200px;
    background-color: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 3.5rem;
}

.course-content {
    padding: 25px;
}

.course-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--secondary);
}

.course-content p {
    color: var(--gray);
    margin-bottom: 20px;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-content h3 {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.about-list {
    list-style: none;
    margin-top: 20px;
}

.about-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

.about-list i {
    color: var(--accent);
    margin-right: 10px;
    margin-top: 5px;
}

.about-img {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-img img {
    width: 100%;
    height: auto;
    display: block;
}

.location-section {
    background-color: var(--light);
}

.location-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.location-info h3 {
    color: var(--secondary);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.location-details {
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-top: 20px;
}

.location-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.location-icon {
    background-color: var(--primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    margin-bottom: 20px;
    color: var(--secondary);
}

.contact-details {
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-icon {
    background-color: var(--primary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: var(--radius);
    font-family: 'Poppins', sans-serif;
    background-color: var(--white);
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

footer {
    background-color: var(--secondary);
    color: white;
    padding: 60px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: white;
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #d1e3ff;
    text-decoration: none;
    transition: color 0.3s;
}

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

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

.social-icons a:hover {
    background-color: var(--accent);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #d1e3ff;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .about-container,
    .contact-container,
    .location-container {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero {
        padding: 80px 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .whatsapp-text {
        display: none;
    }
}

@media (max-width: 576px) {
    .header-container {
        padding: 15px 0;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 12px 25px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 25px;
        bottom: 20px;
        right: 20px;
    }
}