:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --accent-dark: #004d00; /* Verde Escuro */
    --accent-light: #008000; /* Verde um pouco mais claro para hover */
    --card-bg: rgba(20, 20, 20, 0.8);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Estrelas no fundo */
#stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden; /* Importante para estrelas não gerarem barra de rolagem */
    pointer-events: none;
}

.star {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0; /* Começa invisível para o fade-in */
    
    /* Combinando as duas animações: Piscar e Mover */
    animation: 
        twinkle var(--twinkle-duration) ease-in-out infinite alternate,
        float var(--float-duration) linear infinite alternate;
}

/* Animação de Brilho (Piscar) */
@keyframes twinkle {
    0% { opacity: 0.2; box-shadow: 0 0 0 transparent; }
    50% { opacity: 1; box-shadow: 0 0 4px white; } /* Adicionei um leve brilho extra */
    100% { opacity: 0.2; box-shadow: 0 0 0 transparent; }
}

/* Animação de Posição (Flutuar) */
/* Elas vão da posição original (0,0) até uma posição aleatória definida pelo JS */
@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(var(--move-x), var(--move-y)); }
}

/* Container Principal */
.container {
    width: 90%;
    max-width: 800px;
    text-align: center;
    padding: 2rem;
    z-index: 1;
}

/* Header */
.profile-header {
    margin-bottom: 3rem;
}

.profile-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 2px solid var(--accent-dark);
    display: inline-block;
    padding-bottom: 5px;
}

.social-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-btn {
    color: #ccc;
    text-decoration: none;
    font-size: 0.9rem;
    border: 1px solid var(--accent-dark);
    padding: 5px 15px;
    border-radius: 20px;
    transition: 0.3s;
}

.social-btn:hover {
    background-color: var(--accent-dark);
    color: white;
    border-color: var(--accent-light);
}

/* Grid de Projetos */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 600px) {
    .projects-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--accent-dark);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 200px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 15px var(--accent-dark);
    border-color: var(--accent-light);
}

.card h2 {
    color: var(--accent-light);
    margin-bottom: 1rem;
}

.card p {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #ddd;
    margin-bottom: 1.5rem;
}

.status-tag {
    font-size: 0.8rem;
    background: #002200;
    padding: 4px 8px;
    border-radius: 4px;
    align-self: flex-start;
    text-transform: uppercase;
    letter-spacing: 1px;
}