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

/* VARIABLES */

:root {
    --primary-color: #06539c;
    --footer-bg: #E2E2E2;
    --white: #FFFFFF;
}

/* BODY */

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--white);
    color: var(--primary-color);
    min-height: 100vh;

    display: flex;
    flex-direction: column;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Open Sans', sans-serif;
}

/* HEADER */

header {
    background-color: var(--white);
    border-bottom: 3px solid var(--primary-color);

    padding: 20px 40px;
}

.logo_container img {
    width: 220px;
    max-width: 100%;
}

/* MAIN */

.hero {
    flex: 1;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    text-align: center;

    padding: 60px 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    max-width: 700px;
    line-height: 1.7;
    font-size: 1.1rem;
    margin-bottom: 30px;
}

/* BUTTON */

.contact_button a {
    display: inline-block;

    background-color: #075E54;
    color: var(--white);

    text-decoration: none;

    padding: 14px 28px;
    border-radius: 8px;

    transition: 0.3s ease;
}

.contact_button a:hover {
    opacity: 0.9;
    background-color: #25D366;
    transform: translateY(-2px);
}

/* FOOTER */

footer {
    background-color: var(--footer-bg);

    padding: 40px 30px 20px;

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));

    gap: 30px;
}

.footer_section h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.footer_section ul {
    list-style: none;
}

.footer_section ul li {
    margin-bottom: 10px;
    line-height: 1.5;
}

/* SOCIAL MEDIA */

.social_icons {
    display: flex;
    gap: 15px;
}

.social_icons a {
    width: 45px;
    height: 45px;

    border-radius: 50%;

    background-color: var(--primary-color);
    color: var(--white);

    display: flex;
    justify-content: center;
    align-items: center;

    text-decoration: none;

    font-size: 1.2rem;

    transition: 0.3s ease;
}

.social_icons a:hover {
    transform: translateY(-3px);
    opacity: 0.8;
}


/* COPYRIGHT */

.copyright_text {
    grid-column: 1 / -1;

    text-align: center;

    margin-top: 20px;
    padding-top: 20px;

    border-top: 1px solid rgba(6, 83, 156, 0.3);

    font-size: 0.9rem;
}

/* RESPONSIVE */

@media (max-width: 768px) {

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

    .hero p {
        font-size: 1rem;
    }

    header {
        text-align: center;
    }

}