/* Importando fontes de texto */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

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

/* Variáveis */
:root {
    --fonte: 'Montserrat', sans-serif;
    --fonte-secundaria: 'Roboto', sans-serif;
    --cor-um: #ffffff;
    --cor-dois: #c2dcff;
    --cor-tres: #5ca3ff;
    --cor-quatro: #1f80ff;
    --cor-cinco: #004aad;
    --cor-seis: #000000;
    --radius-sm: 0.25rem;
    --radius-md: 0.75rem;
    --transition-base: 0.3s ease;
    --footer-icon-size: 32px;
}

/* Layout base */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--cor-um);
    color: var(--cor-seis);
    font-family: var(--fonte-secundaria);
}

main {
    flex: 1;
}

/* Navbar */
.navbar {
    width: 100%;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--cor-quatro);
    color: var(--cor-um);
    position: relative;
    z-index: 10;
}

.navbar .logo a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--fonte);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--cor-um);
    text-decoration: none;
}

.navbar .logo img {
    width: 32px;
    height: 32px;
}

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
}

.nav-toggle:focus-visible {
    outline: 3px solid var(--cor-dois);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--cor-um);
    position: relative;
    transition: transform var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--cor-um);
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.navbar.active .hamburger {
    transform: rotate(45deg);
}

.navbar.active .hamburger::before {
    transform: rotate(90deg);
    top: 0;
}

.navbar.active .hamburger::after {
    opacity: 0;
}

.links {
    list-style: none;
    display: flex;
    gap: 1.25rem;
    font-family: var(--fonte);
    font-weight: 600;
}

.links li a {
    color: var(--cor-um);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    position: relative;
    transition: color var(--transition-base), background-color var(--transition-base);
}

.links li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--cor-um);
    transition: width var(--transition-base);
}

.links li a:hover::after,
.links li a:focus-visible::after {
    width: 100%;
    
}

.links li a:focus-visible {
    outline: none;
    background-color: rgba(255, 255, 255, 0.12);
}

/* Footer */
footer {
    background-color: var(--cor-cinco);
    color: var(--cor-um);
    padding-top: 2rem;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem 2rem;
    gap: 2rem;
}

.footer_section,
.contatos,
.redes_sociais {
    flex: 1;
    min-width: 200px;
}

.footer_section h3,
.contatos h3,
.redes_sociais h3 {
    font-family: var(--fonte);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--cor-um);
}

.footer_section p,
.contatos p {
    font-family: var(--fonte-secundaria);
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--cor-um);   
}
.footer_section p{
    text-align: justify;
}

.contatos p + p {
    margin-top: 0.5rem;
}

.redes_sociais {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.redes_sociais_links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.redes_sociais a {
    display: inline-flex;
    width: var(--footer-icon-size);
    height: var(--footer-icon-size);
    background-color: var(--cor-um);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.redes_sociais a.facebook {
    -webkit-mask: url('../ASSETS/SVG/facebook.svg') center / contain no-repeat;
    mask: url('../ASSETS/SVG/facebook.svg') center / contain no-repeat;
}

.redes_sociais a.twitter {
    -webkit-mask: url('../ASSETS/SVG/twitter.svg') center / contain no-repeat;
    mask: url('../ASSETS/SVG/twitter.svg') center / contain no-repeat;
}

.redes_sociais a.instagram {
    -webkit-mask: url('../ASSETS/SVG/instagram.svg') center / contain no-repeat;
    mask: url('../ASSETS/SVG/instagram.svg') center / contain no-repeat;
}

.redes_sociais a.linkedin {
    -webkit-mask: url('../ASSETS/SVG/linkedin.svg') center / contain no-repeat;
    mask: url('../ASSETS/SVG/linkedin.svg') center / contain no-repeat;
}

.redes_sociais a:hover,
.redes_sociais a:focus-visible {
    transform: scale(1.1);
    opacity: 0.85;
}

.redes_sociais a:focus-visible {
    outline: 3px solid var(--cor-dois);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

.redes_sociais img {
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
}

.copyright {
    text-align: center;
    padding: 1rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--cor-um);
    font-family: var(--fonte-secundaria);
    font-size: 0.8rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: 0;
        background-color: var(--cor-tres);
        border-radius: 0 0 var(--radius-md) var(--radius-md);
        box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.25s ease;
    }

    .links li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.75);
    }

    .links li:last-child {
        border-bottom: none;
    }

    .links li a {
        display: block;
        width: 100%;
        text-align: center;
        padding: 0.85rem 1rem;
    }

    .links li a::after,
    .links li a:hover::after,
    .links li a:focus-visible::after {
        width: 0;
        transition: none;
    }

    .navbar.active .links {
        max-height: 500px;
    }

    .footer {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        padding: 0 1rem 2rem;
    }

    .footer_section,
    .contatos,
    .redes_sociais {
        text-align: center;
        min-width: unset;
        width: 100%;
    }

    .footer_section p {
        text-align: justify;
    }

    .redes_sociais_links {
        justify-content: center;
    }
}