:root {
    --bg-color: #0D1117;
    --primary-color: #1F6FEB;
    --accent-color: #E3390C;
    --text-color: #ffffff;
}

body {
    background-color: var(--bg-color);
    color: #fff;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/*Cursor personalizado*/
#cursor-background {
    position: fixed; /* Fixa o fundo do cursor em relação à tela, mesmo durante a rolagem */
    width: 40px; /* Define a largura do fundo do cursor */
    height: 40px; /* Define a altura do fundo do cursor */
    border-radius: 50%; /* Faz com que o fundo do cursor tenha bordas arredondadas, formando um círculo */
    border: solid 1px #ffffff; /* Adiciona uma borda sólida de 1px da cor que você definir*/
    pointer-events: none; /* Garante que o cursor não interfira nas interações da página, como cliques ou seleções */
    z-index: 9999; /* Mantém o fundo do cursor acima de todos os outros elementos da página */
    mix-blend-mode: difference; /* Aplica o efeito de "diferença", o que inverte as cores onde o fundo do cursor passa, criando um contraste interessante */
}

/* Header*/
.header {
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background-color: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.navbar-brand:hover {
    color: var(--accent-color);
}

.nav-link {
    color: #fff !important;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 1rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--accent-color);
    transition: all 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

/* Hero */
.hero {
    padding: 8rem 0 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.profile-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(31, 111, 235, 0.3);
    transition: transform 0.3s ease;
    animation: float 6s ease-in-out infinite;
}

.profile-img:hover {
    transform: scale(1.05);
}

.animate-text {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    color: var(--primary-color);
}

.animate-text-delay {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.3s;
}

/* Botões */
.buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 0.8rem 1.5rem;
    margin: 0.5rem;
    border-radius: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
}

.btn-secondary {
    background-color: var(--accent-color);
    border: none;
}

.btn-success {
    background-color: #25D366;
    border: none;
}

.center-button {
    display: block;
    margin: 0 auto;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.skills-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.skills-list li {
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.skills-list li:hover {
    transform: translateX(10px);
    background-color: rgba(31, 111, 235, 0.1);
}

.skills-list strong {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.skill-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(31, 111, 235, 0.1),
        transparent
    );
    transition: top 0.3s ease;
}

.skill-card:hover::before {
    top: 0;
}

.skill-card:hover {
    transform: translateY(-10px);
}

.skill-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.skill-card:hover i {
    transform: scale(1.2);
    color: var(--accent-color);
}

.skill-card h3 {
    color: var(--text-color);
    font-size: 1.2rem;
}

/* Contato */
.contact-content {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-link {
    color: var(--text-color);
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    background-color: rgba(31, 111, 235, 0.1);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.contact-link:hover {
    background-color: var(--primary-color);
    color: var(--text-color);
    transform: translateY(-3px);
}

.contact-link i {
    margin-right: 0.5rem;
}

/* Formulário de contato */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.form-control {
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    padding: 0.8rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    background-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 2px var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
    text-align: center;
}

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

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0);
    }
}

/* Responsividade */
@media (max-width: 768px) {
    .hero {
        text-align: center;
        padding: 6rem 0 2rem;
    }
    
    .profile-img {
        width: 200px;
        height: 200px;
        margin-bottom: 2rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .buttons {
        justify-content: center;
    }
    
    .contact-content {
        flex-direction: column;
        align-items: center;
    }
    
    .skills-list li:hover {
        transform: translateX(5px);
    }
}