:root {
    --gold: #c5a059;
    --gold-light: #e5c07b;
    --dark: #111111;
    --offwhite: #fafafa;
    --glass: rgba(255, 255, 255, 0.45);
    --glass-border: rgba(255, 255, 255, 0.6);
}

/* Estrutura para manter o rodapé embaixo */
html, body {
    height: 100%;
}

body { 
    background-color: var(--offwhite); 
    color: var(--dark); 
    font-family: 'Poppins', sans-serif; 
    margin: 0;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

/* Largura Total para Header e Footer e 1400px para o corpo */
.container { 
    width: 100%; 
    max-width: 1400px; 
    margin: 0 auto; 
    padding: 0 20px;
    box-sizing: border-box;
}

/* HEADER LARGURA TOTAL */
.main-header {
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: sticky; top: 0; z-index: 1000;
}

.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }

/* MAIN CONTENT OCUPA O ESPAÇO DISPONÍVEL */
main {
    flex: 1 0 auto;
}

.logo { 
    font-family: 'Playfair Display', serif; 
    font-size: 2.2rem; 
    text-decoration: none; 
    color: var(--dark); 
    font-weight: 800; 
}
.logo span { color: var(--gold); }

.menu { display: flex; list-style: none; gap: 40px; align-items: center; margin: 0; padding: 0; }
.menu a { text-decoration: none; color: var(--dark); font-size: 0.8rem; font-weight: 600; letter-spacing: 1px; }

.btn-anunciar-highlight {
    background: var(--dark) !important;
    color: #fff !important;
    padding: 14px 30px !important;
    border-radius: 0;
    font-weight: 700 !important;
}

/* FOOTER LARGURA TOTAL E NO FINAL */
.main-footer {
    flex-shrink: 0;
    width: 100%;
    background: #111;
    color: #fff;
    padding: 40px 0;
    border-top: 1px solid var(--gold);
}

/* GRID DE PLANOS */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    padding: 40px 0 100px 0;
}

.plan-card {
    background: var(--glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 50px 30px;
    text-align: center;
    transition: 0.5s;
    position: relative;
}

.plan-card.diamond { background: rgba(10, 10, 10, 0.95); color: #fff; border: 1px solid var(--gold); }
.plan-price { font-size: 2.5rem; font-weight: 700; margin: 20px 0; }
.plan-price span { font-size: 0.9rem; opacity: 0.6; }

.btn-select {
    display: block; padding: 15px; border: 1px solid var(--dark); color: var(--dark);
    text-decoration: none; font-weight: 700; font-size: 0.75rem; letter-spacing: 2px;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .nav-wrapper { flex-direction: column; gap: 20px; }
    .menu { gap: 20px; }
    .container { padding: 0 15px; }
}