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

:root {
    --bg-main: #121212;      /* Fundo principal escuro */
    --bg-card: #1e1e1e;      /* Fundo dos cartões */
    --text-primary: #ffffff; /* Texto principal */
    --text-secondary: #b3b3b3; /* Texto secundário */
    --accent: #00C897;       /* Cor de destaque (um verde moderno) */
    --accent-hover: #00a881;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Utilitários de Layout */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}
.my-5 { margin-top: 4rem; margin-bottom: 4rem; }

/* Cabeçalho */
.main-header {
    padding: 5rem 0 3rem;
    border-bottom: 1px solid #333;
}
.site-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}
.site-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
}

/* Grade de Projetos */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

/* Cartões de Projeto */
.project-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid #333;
    transition: transform 0.2s, border-color 0.2s;
}

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

.card-content h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.card-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.project-tag {
    display: inline-block;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: bold;
    padding: 4px 10px;
    border-radius: 50px;
    margin-bottom: 1rem;
    background-color: rgba(0, 200, 151, 0.2);
    color: var(--accent);
}

/* Estilos específicos para cartões "Em breve" */
.project-card.coming-soon {
    opacity: 0.6;
}
.project-card.coming-soon .project-tag {
    background-color: #444;
    color: #ccc;
}

/* Botões */
.btn-main {
    display: inline-block;
    text-decoration: none;
    background-color: var(--accent);
    color: #000;
    font-weight: 700;
    padding: 12px 24px;
    border-radius: 6px;
    transition: background-color 0.2s;
    width: 100%;
    text-align: center;
}
.btn-main:hover { background-color: var(--accent-hover); }

.btn-disabled {
    width: 100%;
    padding: 12px 24px;
    background-color: #333;
    color: #666;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: not-allowed;
}

/* Rodapé */
footer {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid #333;
}

/* Responsivo */
@media (max-width: 768px) {
    .site-title { font-size: 2.5rem; }
    .projects-grid { grid-template-columns: 1fr; }
}