/* Modern CSS for FNL Info Website - Mantendo Identidade Visual Original */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #008080;
    --secondary-color: #000080;
    --accent-color: #ff0000;
    --text-dark: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

/* Header Styles - Usando imagem original */
header {
    background-image: url('imagens/TopoB.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    padding: 0;
    box-shadow: var(--shadow);
    height: 134px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    color: var(--white);
}

.tagline {
    font-size: 1.1rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* Navigation Styles - Usando imagens originais */
nav {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    background-image: url('imagens/EsqB.jpg');
    background-repeat: repeat-x;
}

.nav-container a {
    color: var(--text-dark);
    text-decoration: none;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
}

.nav-container a:hover {
    transform: translateY(-2px);
}

.nav-container a::before {
    content: '';
    display: inline-block;
    width: 169px;
    height: 18px;
    background-size: contain;
    background-repeat: no-repeat;
    margin-right: 0.5rem;
}

.nav-container a[href="index.html"]::before {
    background-image: url('imagens/InicialOff.jpg');
}

.nav-container a[href="index.html"]:hover::before,
.nav-container a[href="index.html"].active::before {
    background-image: url('imagens/InicialOn.jpg');
}

.nav-container a[href="Informatica.html"]::before {
    background-image: url('imagens/InformaticaOff.jpg');
}

.nav-container a[href="Informatica.html"]:hover::before,
.nav-container a[href="Informatica.html"].active::before {
    background-image: url('imagens/InformaticaOn.jpg');
}

.nav-container a[href="Biomedicina.html"]::before {
    background-image: url('imagens/BiomedicinaOff.jpg');
}

.nav-container a[href="Biomedicina.html"]:hover::before,
.nav-container a[href="Biomedicina.html"].active::before {
    background-image: url('imagens/BiomedicinaOn.jpg');
}

.nav-container a[href="Download.html"]::before {
    background-image: url('imagens/DownloadOff.jpg');
}

.nav-container a[href="Download.html"]:hover::before,
.nav-container a[href="Download.html"].active::before {
    background-image: url('imagens/DownloadOn.jpg');
}

.nav-container a[href="Fale.html"]::before {
    background-image: url('imagens/FaleOff.jpg');
}

.nav-container a[href="Fale.html"]:hover::before,
.nav-container a[href="Fale.html"].active::before {
    background-image: url('imagens/FaleOn.jpg');
}

/* Esconder texto dos links, mostrar apenas imagens */
.nav-container a {
    font-size: 0;
    padding: 0.5rem;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    min-height: calc(100vh - 400px);
    display: flex;
    gap: 2rem;
}

/* Sidebar com fundo original */
.sidebar {
    width: 174px;
    background-image: url('imagens/EsqB.jpg');
    background-repeat: repeat-y;
    padding: 1rem;
    border-radius: 5px;
    box-shadow: var(--shadow);
}

/* Content area com fundo original */
.content-area {
    flex: 1;
    background-image: url('imagens/Fundopaginas.jpg');
    background-repeat: repeat;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.content-section {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.content-section h1 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 0.5rem;
    font-family: Verdana, sans-serif;
}

.content-section h2 {
    color: var(--secondary-color);
    margin: 1.5rem 0 1rem;
    font-size: 1.2rem;
    font-family: Verdana, sans-serif;
}

.content-section p {
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.8;
    font-family: Verdana, sans-serif;
}

/* Hero Section - Usando imagem original */
.hero {
    text-align: center;
    padding: 0;
    background-image: url('imagens/FundoIndex.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 10px;
    min-height: 348px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 1rem;
    border: none;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero p {
    font-size: 1.2rem;
    color: var(--white);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

/* Services List */
.services-list {
    list-style: none;
    padding: 0;
}

.services-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--accent-color);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-weight: bold;
    font-family: Verdana, sans-serif;
}

.services-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.services-list li:hover {
    padding-left: 2.5rem;
    color: var(--secondary-color);
}

/* Contact Info */
.contact-info {
    text-align: center;
    padding: 2rem;
}

.contact-info h2 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-family: Verdana, sans-serif;
}

.contact-info p {
    font-size: 1.2rem;
    margin: 1rem 0;
    color: var(--secondary-color);
    font-family: Verdana, sans-serif;
}

.contact-info a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--accent-color);
}

/* Download Cards */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.download-card {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    text-align: center;
    border: 2px solid var(--primary-color);
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
}

.download-card h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-family: Verdana, sans-serif;
}

.download-card img {
    max-width: 150px;
    height: auto;
    margin-bottom: 1rem;
}

.download-card a {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-family: Verdana, sans-serif;
}

.download-card a:hover {
    background-color: var(--accent-color);
    transform: scale(1.05);
}

/* Footer */
footer {
    background-color: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
    font-family: Arial, sans-serif;
    font-size: 0.85rem;
}

footer p {
    margin: 0.5rem 0;
    opacity: 0.9;
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--white);
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        height: auto;
        padding: 1rem 0;
    }

    .header-content {
        padding: 0 1rem;
    }

    .logo {
        font-size: 1.8rem;
    }

    .tagline {
        font-size: 0.9rem;
    }

    .nav-container {
        flex-direction: column;
        align-items: center;
    }

    .nav-container a::before {
        width: 140px;
        height: 15px;
    }

    main {
        flex-direction: column;
        padding: 0 1rem;
    }

    .sidebar {
        width: 100%;
        margin-bottom: 1rem;
    }

    .content-section {
        padding: 1.5rem;
    }

    .hero {
        min-height: 250px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .download-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }

    .tagline {
        font-size: 0.8rem;
    }

    .content-section h1 {
        font-size: 1.3rem;
    }

    .services-list li {
        font-size: 0.9rem;
    }

    .nav-container a::before {
        width: 120px;
        height: 13px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-section {
    animation: fadeIn 0.6s ease-out;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

/* Scroll to top button style override */
.scroll-to-top {
    background-color: var(--accent-color) !important;
}

.scroll-to-top:hover {
    background-color: var(--secondary-color) !important;
}