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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(240, 248, 255, 0.8) 50%, 
        rgba(230, 244, 255, 0.9) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><pattern id="students" patternUnits="userSpaceOnUse" width="400" height="300"><image href="data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNDAwIiBoZWlnaHQ9IjMwMCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48ZGVmcz48bGluZWFyR3JhZGllbnQgaWQ9ImdyYWQiIHgxPSIwJSIgeTE9IjAlIiB4Mj0iMTAwJSIgeTI9IjEwMCUiPjxzdG9wIG9mZnNldD0iMCUiIHN0eWxlPSJzdG9wLWNvbG9yOiNmOGZkZmY7c3RvcC1vcGFjaXR5OjAuMyIgLz48c3RvcCBvZmZzZXQ9IjEwMCUiIHN0eWxlPSJzdG9wLWNvbG9yOiNlM2Y0ZmY7c3RvcC1vcGFjaXR5OjAuMiIgLz48L2xpbmVhckdyYWRpZW50PjwvZGVmcz48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBmaWxsPSJ1cmwoI2dyYWQpIi8+PC9zdmc+" opacity="0.1" width="400" height="300"/></pattern></defs><rect width="100%" height="100%" fill="url(#students)"/></svg>');
    background-size: cover;
    background-attachment: fixed;
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    text-align: center;
    margin-bottom: 60px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo-container {
    margin-bottom: 30px;
}

.logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

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

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.subtitle {
    font-size: 1.4rem;
    font-weight: 400;
    color: #34495e;
    line-height: 1.6;
}

.main-content {
    flex: 1;
    margin-bottom: 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.service-card p {
    color: #7f8c8d;
    margin-bottom: 25px;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(52, 152, 219, 0.3);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(52, 152, 219, 0.4);
}

/* Small buttons and social layout */
.btn.sm {
    padding: 10px;
    font-size: 0.9rem;
    border-radius: 40px;
}

.btn.sm .icon {
    width: 25px;
    height: 25px;
    vertical-align: middle;
}

.btn.sm span { vertical-align: middle; }

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

/* Brand variants */
.btn.whatsapp { background: #25D366; box-shadow: 0 8px 20px rgba(37,211,102,0.3); }
.btn.whatsapp:hover { background: #1DA955; box-shadow: 0 12px 24px rgba(37,211,102,0.4); }

.btn.x { background: #111; box-shadow: 0 8px 20px rgba(0,0,0,0.3); }
.btn.x:hover { background: #000; box-shadow: 0 12px 24px rgba(0,0,0,0.45); }

.btn.facebook { background: #1877F2; box-shadow: 0 8px 20px rgba(24,119,242,0.3); }
.btn.facebook:hover { background: #0f6ae6; box-shadow: 0 12px 24px rgba(24,119,242,0.45); }

.btn.instagram { background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF, #515BD4); box-shadow: 0 8px 20px rgba(221,42,123,0.3); }
.btn.instagram:hover { filter: brightness(0.95); box-shadow: 0 12px 24px rgba(221,42,123,0.45); }

.footer {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    margin-top: auto;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* Contact Section */
.contact-section {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 35px 25px;
    margin: 10px 0 30px 0;
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
    border: 1px solid rgba(255,255,255,0.6);
}

.contact-title {
    text-align: center;
    font-size: 1.6rem;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 700;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.contact-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}

.contact-card h4 {
    color: #2c3e50;
    margin-bottom: 8px;
}

.contact-card p {
    color: #677787;
    line-height: 1.6;
}

.link {
    color: #2980b9;
    text-decoration: none;
}

.link:hover { text-decoration: underline; }

.btn.btn-outline {
    background: transparent;
    color: #2980b9;
    border: 2px solid #2980b9;
    box-shadow: none;
}

.btn.btn-outline:hover {
    background: #2980b9;
    color: #fff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header {
        padding: 30px 15px;
        margin-bottom: 40px;
    }
    
    .logo {
        max-width: 150px;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .card-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .service-card h3 {
        font-size: 1.3rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card {
    animation: fadeInUp 0.6s ease forwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }