:root {
    --primary-color: #2c3e50;
    --accent-color: #3498db;
    --light-bg: #f8f9fa;
    --dark-text: #212529;
}

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

.hero-section {
    background: linear-gradient(rgba(44, 62, 80, 0.55), rgba(44, 62, 80, 0.48)), 
    url('https://images.pexels.com/photos/30596234/pexels-photo-30596234.jpeg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 8rem 0;
    text-align: center;
}

.hero-section-os {
    background: linear-gradient(rgba(44, 62, 80, 0.55), rgba(44, 62, 80, 0.48)), 
    url('https://images.pexels.com/photos/3974145/pexels-photo-3974145.jpeg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 8rem 0;
    text-align: center;
}

.os-image-breaker {
    background: linear-gradient(rgba(44, 62, 80, 0.55), rgba(44, 62, 80, 0.48)), 
    url('https://images.pexels.com/photos/4976712/pexels-photo-4976712.jpeg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.os-image-breaker2 {
    background: linear-gradient(rgba(44, 62, 80, 0.55), rgba(44, 62, 80, 0.48)), 
    url('https://images.pexels.com/photos/6755088/pexels-photo-6755088.jpeg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.section-padding {
    padding: 5rem 0;
}

.card-custom {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.card-custom:hover {
    transform: translateY(-5px);
}

.achievement-item {
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 3px solid var(--accent-color);
}

.btn-custom {
    background-color: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.btn-custom:hover {
    background-color: #2980b9;
    color: white;
    transform: translateY(-2px);
}

.social-links a {
    margin: 0 10px;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

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

footer {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.hero-actions {
    flex-wrap: wrap;
}

.contact-email {
    max-width: 100%;
    white-space: normal;
    overflow-wrap: anywhere;
}

@media (max-width: 575.98px) {
    .hero-section {
        padding: 4rem 0;
    }

    .hero-section h1 {
        font-size: 2.25rem;
    }

    .hero-section .lead {
        font-size: 1.05rem;
    }

    .hero-actions {
        align-items: center;
        flex-direction: column;
        gap: 0.75rem !important;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 22rem;
    }

    .section-padding {
        padding: 3rem 0;
    }

    .contact-email {
        font-size: 1rem;
    }
}

.padding {
    padding: 2%;
    width: 100%;
}