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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.hero-section {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.797)), url('../img/logo\ nynu\ \(definitiva\).png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.conteudo {
    color: #ffffff;
    text-align: center;
    margin-bottom: auto;
    transform: translateY(35%);
    padding: 20px;
}

.conteudo h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.conteudo p {
    font-size: 1.2rem;
    margin-bottom: 25px;
}

.botao {
    position: relative;
    padding: 16px 30px;
    font-size: 1rem;
    background-color: #000000;
    color: white;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    transition: color 0.3s ease;
}

.botao::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 100px;
    border: 3px solid #ffffff;
    background: transparent;
    z-index: -2;
    transition: opacity 0.3s ease;
}

.botao::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        transparent, 
        #a855f7 20%,  
        #3b82f6 40%,  
        transparent 60%,
        transparent 70%,
        #a855f7 85%, 
        transparent
    );
    animation: rodarBorda 2s linear infinite;
    z-index: -3;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.botao .conteudo-btn {
    position: absolute;
    inset: 3px;
    background-color: #000000;
    border-radius: 100px;
    z-index: -1;
    transition: background-color 0.3s ease;
}

.botao:hover {
    color: #000000;
}

.botao:hover::before {
    opacity: 0;
}

.botao:hover::after {
    opacity: 1;
}

.botao:hover .conteudo-btn {
    background-color: #ffffff;
}

@keyframes rodarBorda {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.botao:active {
    transform: scale(0.96);
    transition: transform 0.1s ease;
}

.logo {
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    padding: 10px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #ffffff;
    backdrop-filter: blur(8px); 
    z-index: 1000;          
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ffffff;
}

.link-notificacao {
    position: relative;
}

.nav-links li {
    position: relative;
    padding: 5px 0;
}

.nav-links li::before,
.nav-links li::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: #ff007f; 
    transition: width 0.3s ease;
}

.nav-links li::before {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links li::after {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links li:hover::before,
.nav-links li:hover::after {
    width: 100%;
}