@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@700&family=Nunito:wght@400;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Raleway:ital,wght@0,100..900;1,100..900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Nunito', sans-serif;
}

html,
body {
    height: 100%;
    overflow-x: hidden;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.5s ease forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

main {
    flex: 1;
}

body,
p,
li {
    line-height: 1.6;
}

nav {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

nav.itens {
    top: 0;
    width: 100%;
    z-index: 10;
    background-color: #137fd9;
    color: white;
    font-weight: bold;
    font-size: 0.95rem;
    padding: 0.3rem 1rem;
}

nav.itens ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    flex-wrap: wrap;
    width: 100%;
}

nav.itens ul li {
    margin-right: 0.8rem;
}

nav.itens ul li.logo {
    margin-right: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

nav.itens ul li.logo img {
    width: 6rem;
    max-width: 100%;
    height: auto;
}

nav.itens ul li.logo .social {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-left: 1rem;
    flex-wrap: wrap;
}

nav.itens ul li.logo .social img {
    width: 1rem;
    cursor: pointer;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease, background 0.3s ease;
}

nav.itens ul li.logo .social img:hover {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0.4rem;
    transform: scale(1.1);
}

nav.itens ul li a {
    text-decoration: none;
    color: white;
    padding: 0.15rem 0.4rem;
    transition: background 0.3s ease, transform 0.2s ease;
    white-space: nowrap;
    font-size: 0.9rem;
}

nav.itens ul li a:hover,
nav.itens a.ativo {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0.4rem;
}

nav .dropdown-login {
    position: relative;
    cursor: pointer;
}

nav .dropdown-content-login {
    position: absolute;
    top: 100%;
    left: 0;
    background: #045b9c;
    border-radius: 0.4rem;
    padding: 0.3rem 0;
    min-width: 7rem;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

nav .dropdown-content-login a {
    display: block;
    padding: 0.3rem 0.8rem;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
    font-size: 0.85rem;
}

nav .dropdown-content-login a:hover {
    background: rgba(255, 255, 255, 0.2);
}

nav .dropdown-login:hover .dropdown-content-login {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

footer {
    background-color: #137fd9;
    color: white;
    padding: 1rem 0.5rem;
    font-size: 0.85rem;
    text-align: center;
}

footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-top {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-bottom {
    text-align: center;
    margin-top: 1rem;
    font-weight: 700;
}

@media (max-width: 1440px) {
    nav.itens ul li.logo img {
        width: 6rem;
    }
}

@media (max-width: 1024px) {
    nav.itens ul {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    nav.itens ul {
        flex-direction: column;
        align-items: flex-start;
    }

    nav.itens ul li.logo img {
        width: 5rem;
    }

    nav.itens ul li.logo .social {
        margin-left: 0.5rem;
    }

    footer {
        padding: 0.8rem;
        font-size: 0.8rem;
    }

    .footer-top {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    nav.itens {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }

    nav.itens ul li.logo img {
        width: 4.5rem;
    }

    nav.itens ul li a {
        padding: 0.15rem 0.3rem;
        font-size: 0.8rem;
    }

    footer {
        font-size: 0.75rem;
        padding: 0.6rem;
    }
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: #0d1117;
        color: #e6edf3;
        transition: background-color 0.3s ease, color 0.3s ease;
    }

    nav.itens {
        background-color: #1f2937;
        color: #ffffff;
        box-shadow: 0 4px 10px rgba(255, 255, 255, 0.1);
        transition: background-color 0.3s ease, color 0.3s ease;
    }

    nav.itens ul li a {
        color: #ffffff;
    }

    nav.itens ul li a:hover,
    nav.itens a.ativo {
        background: rgba(255, 255, 255, 0.15);
    }

    nav .dropdown-content-login {
        background: #111827;
    }

    footer {
        background-color: #1f2937;
        color: #e5e7eb;
    }

    h1 {
        color: #c0ddff;
    }
}