/* 1. Definição Única de Variáveis */
:root {
    --bg-deep: #0d021f;
    --bg-radial: radial-gradient(circle at center, #2a0a5e 0%, #090214 50%, #0a0314 100%);
    --glass: rgba(15, 11, 22, 0.85);
    --border: rgba(255, 255, 255, 0.08);
    --accent: #6c3ccc;
    --accent-glow: rgba(108, 60, 204, 0.2);
    --text-main: #e9eef8;
    --text-dim: #9aa0b5;
    --transition: 0.4s cubic-bezier(0.2, 0.9, 0.2, 1);
}

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

/* 2. Aplicação das Cores no Body */
body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-dark);
  color: #fff;
  overflow-x: hidden;
  padding-top: 30px;
}

/* 3. Ajuste do Brilho de Fundo (Glow) */
.glow-bg {
    position: fixed;
    top: -10%; left: -10%;
    width: 40%; height: 40%;
    background: var(--accent-glow);
    filter: blur(150px);
    border-radius: 50%;
    z-index: -1;
}

/* 4. Navegação Glassmorphism Real */
.glass-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 8%;
    background: var(--glass);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px); /* Suporte para Safari */
    border-bottom: 1px solid var(--border);
    position: sticky; 
    top: 0; 
    z-index: 100;
}

.logo { font-size: 1.5rem; font-weight: 800; color: var(--text-main); }
.logo span { color: var(--accent); }

/* 5. Inputs e Pesquisa */
.search-box {
    background: rgba(255, 255, 255, 0.04);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    display: flex; 
    align-items: center; 
    gap: 10px;
}

.search-box input {
    background: transparent; 
    border: none; 
    color: var(--text-main); 
    outline: none;
}

.search-box input::placeholder { color: var(--text-dim); }

/* 6. Cabeçalho da Página */
.page-header { text-align: center; padding: 5rem 0 3rem; }
.page-header h1 { font-size: 3.5rem; letter-spacing: -2px; color: var(--text-main); }
.page-header h1 span { 
    background: linear-gradient(90deg, #6c3ccc, #196ad4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.label { 
    background: var(--accent-glow); 
    color: var(--accent); 
    padding: 6px 16px; 
    border-radius: 20px; 
    font-size: 0.75rem; 
    font-weight: bold;
    border: 1px solid rgba(108, 60, 204, 0.3);

}

/* 7. Grid e Cards (Organização de Cores) */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    padding: 2rem 8%;
}

.doc-card {
    background: rgba(255, 255, 255, 0.02); /* Tom de vidro sutil */
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
}

.doc-card:hover {
    border-color: var(--accent);
    background: rgba(108, 60, 204, 0.05); /* Brilho interno roxo no hover */
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.doc-icon { font-size: 2.5rem; margin-bottom: 1.5rem; color: var(--accent); }
.doc-card h3 { color: var(--text-main); margin-bottom: 10px; font-size: 1.4rem; }
.doc-card p { color: var(--text-dim); line-height: 1.6; margin-bottom: 20px; }

.roadmap-mini {
    background: rgba(108, 60, 204, 0.1); /* Fundo da trilha em roxo suave */
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.85rem;
    border: 1px solid rgba(108, 60, 204, 0.2);
}

.btn-doc {
    display: inline-block; 
    margin-top: 20px;
    color: var(--accent); 
    text-decoration: none; 
    font-weight: bold;
    transition: 0.3s;
}

.btn-doc:hover { letter-spacing: 1px; color: #196ad4; }

/* 8. Categorias/Filtros */
.categories { display: flex; justify-content: center; gap: 1rem; margin-bottom: 2rem; }
.filter-btn {
    background: rgba(255, 255, 255, 0.05); 
    border: 1px solid var(--border); 
    color: var(--text-dim);
    padding: 10px 24px; 
    border-radius: 50px; 
    cursor: pointer; 
    transition: 0.3s;
    font-family: "Inter", sans-serif;
}

.filter-btn.active, .filter-btn:hover { 
    background: var(--accent); 
    color: white; 
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

.label-main {
  background: rgba(135, 80, 247, 0.1);
  border: 1px solid var(--accent-purple);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9em;
  color: var(--accent-purple);
  font-weight: bold;
}

:root {
  --bg-dark: #0f0715;
  --card-bg: #140b1c;
  --primary-gradient: linear-gradient(90deg, #0043d8 0%, #ffffff 100%);
  --accent-purple: #0043d8;
  --text-gray: #dddddd;
}

.page-header p {
    color: var(--text-dim);
    max-width: 650px;
    margin: 20px auto 0;
    line-height: 1.6;
    font-size: 1.1rem;
    padding: 0;
}


/* --- RESPONSIVIDADE --- */

/* Tablets e Ecrãs Médios (até 1024px) */
@media (max-width: 1024px) {
    .content-wrapper {
        padding: 60px 5%;
    }
    
    .page-header h1 {
        font-size: 80px;
    }
    
    .docs-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        padding: 2rem 5%;
    }

    .label-main{
        font-size: 0.8em;
        padding: 6px 16px;
    }
        
}

/* Telemóveis Grandes (até 768px) */
@media (max-width: 768px) {
    .page-header {
        padding-top: 0px;
    }

    .page-header h1 {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }

    .page-header p {
        font-size: 1rem;
        padding: 0 15px;
    }

    .categories {
        gap: 0.5rem;
        overflow-x: auto; /* Permite deslizar os filtros se forem muitos */
        justify-content: flex-start;
        padding: 10px 5%;
        -webkit-overflow-scrolling: touch;
    }

    .filter-btn {
        padding: 8px 18px;
        font-size: 0.85rem;
        white-space: nowrap; /* Impede que o texto do botão quebre */
    }

    .docs-grid {
        grid-template-columns: 1fr; /* Um card por linha no mobile */
        gap: 1.5rem;
    }
}

/* Telemóveis Pequenos (até 480px) */
@media (max-width: 480px) {
    .page-header h1 {
        font-size: 45px;
    }

    .doc-card {
        padding: 1.5rem;
    }

    .glow-bg {
        width: 60%; /* Aumenta o brilho para cobrir melhor o ecrã pequeno */
        height: 30%;
    }
}


.docs-grid {
    display: grid;
    /* Ajustado para 280px para que apareçam mais cards por linha em ecrãs grandes */
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem 5%;
}

/* Garante que o roadmap não quebre o layout se o texto for longo */
.roadmap-mini {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.roadmap-mini:hover {
    white-space: normal; /* Mostra tudo ao passar o rato */
}

/* Container Base (Desktop/Tablet) */
.categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 auto 3rem;
    padding: 0 5%;
    max-width: 1200px;
}

/* Estilo do Botão */
.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 7px 17px;
    border-radius: 12px; /* Quadrado arredondado fica mais moderno que pill no mobile */
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
}

/* --- MÁGICA PARA TELEMÓVEIS (Mobile) --- */
@media (max-width: 600px) {
    .categories {
        display: grid; 
        /* Cria 2 colunas iguais que ocupam todo o espaço */
        grid-template-columns: repeat(2, 1fr); 
        gap: 8px;
        padding: 0 15px;
    }

    .filter-btn {
        width: 100%;      /* Força o botão a ocupar a sua célula da grid */
        text-align: center;
        padding: 12px 5px; /* Mais altura para facilitar o toque (UX) */
        font-size: 0.85rem;
        border-radius: 8px; /* Cantos mais sutis */
    }

    /* Opcional: Se quiser que o botão "Tudo" ocupe a linha inteira sozinho */
    .filter-btn[data-filter="all"] {
        grid-column: span 2;
        background: rgba(108, 60, 204, 0.1); /* Um leve destaque por ser o principal */
    }
}


footer {
  padding: 50px;
  text-align: center;
  border-top: 1px solid #2a1454;
  color: #666;
}

a{
    text-decoration: none;
}