/* Variáveis de Cores da Empresa */
:root {
    --bg-color: #0a0a0c;       /* Preto Profundo */
    --card-bg: #121318;        /* Preto Cinza (Cards) */
    --primary-blue: #0066ff;   /* Azul Corporativo */
    --hover-blue: #0052cc;     /* Azul Escuro (Hover) */
    --accent-blue: #00d2ff;    /* Azul Claro (Destaques) */
    --text-white: #ffffff;     /* Branco */
    --text-gray: #94a3b8;      /* Cinza Texto Secundário */
    --border-color: #1e293b;   /* Bordas Sutis */
}

/* Reset de Segurança Visual */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Cabeçalho Fixo (Header) */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 12, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
    letter-spacing: 1px;
}

.logo span {
    color: var(--accent-blue);
}

nav a {
    color: var(--text-gray);
    text-decoration: none;
    margin-left: 30px;
    font-weight: 400;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--accent-blue);
}

/* Botões */
.btn-cta {
    background-color: var(--primary-blue);
    color: var(--text-white);
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
}

.btn-cta:hover {
    background-color: var(--hover-blue);
}

/* Sessão Principal (Hero) */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    background: radial-gradient(circle at center, #0f172a 0%, var(--bg-color) 70%);
}

.hero h1 {
    font-size: 48px;
    max-width: 800px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero h1 span {
    color: var(--accent-blue);
}

.hero p {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin-bottom: 40px;
}

/* Layout Geral das Sessões */
section {
    padding: 100px 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.section-title p {
    color: var(--text-gray);
}

/* Sistema de Grid para Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 8px;
    transition: transform 0.3s, border-color 0.3s;
}

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

.card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-white);
}

.card p {
    color: var(--text-gray);
    font-size: 14px;
}

/* Caixa de Contato */
.contact {
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 60px;
    margin-bottom: 50px;
}

/* Rodapé */
footer {
    text-align: center;
    padding: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-gray);
    font-size: 14px;
}

/* Responsividade (Para Celulares) */
@media (max-width: 768px) {
    header { padding: 15px 20px; }
    nav { display: none; } /* Oculta menu longo no celular temporariamente */
    .hero h1 { font-size: 32px; }
    section { padding: 60px 20px; }
}