:root {
    --background-color: #ffffff;
    --primary-color: #191d36;
    --secondary-color: #3b4697;
    --button-text: white;
    --accent-color: #00E6D6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--primary-color);
    line-height: 1.6;
    zoom: 0.9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

#category {
    width: 100%;
    max-width: 400px;
    padding: 12px;
    border: 2px solid #333;
    border-radius: 5px;
    background-color: #fff;
    color: #000;
    font-size: 1rem;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="black" height="20" viewBox="0 0 24 24" width="20" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px 16px;
    box-sizing: border-box;
}

/* Smartphones */
@media (max-width: 480px) {
    #category {
        font-size: 0.9rem;
        padding: 10px;
    }
}

/* Tablets */
@media (min-width: 481px) and (max-width: 768px) {
    #category {
        font-size: 1rem;
        padding: 12px;
    }
}

/* Small laptops */
@media (min-width: 769px) and (max-width: 1024px) {
    #category {
        font-size: 1.05rem;
    }
}

/* Desktops */
@media (min-width: 1025px) {
    #category {
        font-size: 1.1rem;
    }
}

.hero {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, #f5f7ff 0%, #e8ecff 100%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    color: var(--secondary-color);
}

.section-title {
    text-align: center;
    margin: 3rem 0 2rem;
    font-size: 2.2rem;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--secondary-color);
    margin: 10px auto;
    border-radius: 2px;
}

.portfolio {
    padding: 2rem 0 4rem;
}



.btn {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--button-text);
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s;
}

.btn:hover {
    background: #2a337c;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .nav-links {
        display: none;
    }

}

@media (max-width: 768px) {



    .hero h1 {
        font-size: 36px;
    }

    .services-card {
        flex-direction: column;
    }

    .content-container {
        flex-direction: column;
    }

    .contact-container {
        flex-direction: column;
    }

    .overlay-content {
        margin-top: 0;
    }
}