:root {
    --bg: #000000;
    --accent: #0070f3;
    --text-main: #ffffff;
    --text-dim: #888888;
    --border: #1a1a1a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text-main);
    line-height: 1.4;
    overflow-x: hidden;
}

/* HEADER - FIXO E SÓLIDO PARA EVITAR O BUG CINZA */
header {
    padding: 1.2rem 8%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: #000000; /* Fundo sólido para garantir contraste */
    border-bottom: 1px solid var(--border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -1px;
}

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

.btn-contato {
    border: 1px solid #333;
    color: var(--text-main);
    padding: 8px 20px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: 0.3s;
}

.btn-contato:hover {
    background: var(--text-main);
    color: #000;
}

/* HERO SECTION - O CORAÇÃO DO DESIGN */
.hero {
    padding: 180px 8% 100px;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.tagline {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    display: block;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    line-height: 1;
    letter-spacing: -3px;
    margin-bottom: 2rem;
    font-weight: 900;
    color: #ffffff;
}

.highlight {
    color: var(--accent);
}

.hero p {
    color: var(--text-dim);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* BOTÃO PRINCIPAL */
.btn-primary {
    background: var(--text-main);
    color: #000;
    padding: 18px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    display: inline-block;
    transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.15);
}

/* SEÇÃO DE SERVIÇOS */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 60px 8%;
    max-width: 1400px;
    margin: 0 auto;
}

.card {
    background: #0a0a0a;
    padding: 50px 30px;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: 0.3s;
}

.card:hover {
    border-color: var(--accent);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.card p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* CONTACT SECTION - RESET TOTAL */
.contact-section {
    padding: 120px 8%;
    display: flex;
    flex-direction: column;
    align-items: center; /* Centraliza tudo horizontalmente */
    justify-content: center;
    background-color: #000000;
    min-height: auto;
    position: relative;
    clear: both; /* Garante que não haja interferência de elementos flutuantes */
}

.contact-section h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 15px;
    font-weight: 900;
    letter-spacing: -2px;
    text-align: center;
}

.contact-section p {
    color: var(--text-dim);
    margin-bottom: 50px;
    text-align: center;
    max-width: 600px;
}

/* FORMULÁRIO CENTRALIZADO E LARGO */
form {
    width: 100%;
    max-width: 600px; /* Tamanho ideal para leitura */
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    width: 100%;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 20px;
    background: #0a0a0a; /* Tom levemente acima do preto puro */
    border: 1px solid #222;
    border-radius: 12px;
    color: #ffffff;
    font-size: 1rem;
    box-sizing: border-box; /* Fundamental para não "vazar" da tela */
}

.form-group textarea {
    height: 180px;
    resize: none;
}

/* BOTÃO DE ENVIO */
form button.btn-primary {
    width: 100%; /* No mobile e seções escuras, botão largo passa mais confiança */
    padding: 20px;
    border: none;
    cursor: pointer;
    background: #ffffff;
    color: #000000;
    font-weight: 800;
    border-radius: 12px;
    font-size: 1rem;
    transition: 0.3s;
}

form button.btn-primary:hover {
    background: var(--accent);
    color: #ffffff;
    transform: translateY(-3px);
}

/* FOOTER LIMPO */
footer {
    padding: 80px 8% 40px;
    border-top: 1px solid #111;
    text-align: center; /* Centralizado combina mais com o formulário novo */
    color: var(--text-dim);
}

footer p {
    margin-bottom: 10px;
    font-size: 0.9rem;
}

footer a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    transition: 0.3s;
}

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