:root {
    --neon-cyan: #00f2ff;
    --neon-emerald: #00ff88;
    --neon-purple: #7000ff;
    --bg-dark: #020617;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body { 
    background-color: var(--bg-dark); 
    color: #f8fafc; 
    overflow-x: hidden; 
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.glow-bg {
    position: fixed; inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(112, 0, 255, 0.1), transparent 50%),
                radial-gradient(circle at 50% 100%, rgba(0, 242, 255, 0.08), transparent 50%);
    z-index: -1;
}

/* NAVBAR */
#main-nav { 
    background: rgba(2, 6, 23, 0.85); 
    backdrop-filter: blur(20px); 
    padding: 1.5rem 8%; 
    position: sticky; top: 0; z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; }
.logo { font-weight: 900; font-size: 1.8rem; letter-spacing: -1px; text-shadow: 0 0 15px var(--neon-cyan); }
.logo span { color: var(--neon-emerald); }

.nav-links { display: flex; list-style: none; }
.nav-links a { 
    text-decoration: none; color: #94a3b8; margin-left: 2.5rem; 
    font-weight: 700; font-size: 0.8rem; text-transform: uppercase; 
    letter-spacing: 2px; transition: 0.3s; 
}
.nav-links a:hover { color: var(--neon-cyan); text-shadow: 0 0 10px var(--neon-cyan); }

/* MAIN CONTAINER (SPA) */
#app-root { 
    flex: 1; /* Garante que o conteúdo empurre o footer para baixo */
    padding: 4rem 8%; 
    max-width: 1200px; 
    margin: 0 auto; 
    width: 100%;
    animation: fadeIn 0.6s ease; 
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* HERO CENTRALIZADO (SEM IMAGEM) */
.hero-centered { text-align: center; margin-bottom: 80px; }
.hero-centered h1 { font-size: 4.5rem; font-weight: 900; line-height: 1; margin-bottom: 25px; }
.hero-centered span { color: var(--neon-cyan); }
.hero-centered p { font-size: 1.2rem; color: #94a3b8; max-width: 750px; margin: 0 auto 35px; }

.status-badge { 
    display: inline-block; padding: 6px 15px; 
    background: rgba(0, 255, 136, 0.05); color: var(--neon-emerald); 
    border-radius: 50px; font-size: 0.7rem; font-weight: 900; 
    margin-bottom: 25px; border: 1px solid var(--neon-emerald);
    letter-spacing: 2px;
}

/* CARDS E GRIDS */
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 25px; }
.card-vibrant { 
    background: var(--glass); backdrop-filter: blur(12px); 
    padding: 2.5rem; border-radius: 30px; border: 1px solid var(--glass-border); 
    transition: 0.4s; text-align: center;
}
.card-vibrant:hover { transform: translateY(-10px); border-color: var(--neon-emerald); box-shadow: 0 15px 30px rgba(0, 255, 136, 0.1); }
.card-vibrant i { font-size: 2.2rem; color: var(--neon-emerald); margin-bottom: 1.5rem; }

/* CALCULADORA */
.calc-frame { max-width: 550px; margin: 0 auto; background: var(--glass); padding: 40px; border-radius: 40px; border: 1px solid var(--neon-purple); box-shadow: 0 0 30px rgba(112, 0, 255, 0.1); }
.input-wrap { margin-bottom: 20px; text-align: left; }
.input-wrap label { display: block; font-size: 0.75rem; font-weight: 800; color: #64748b; margin-bottom: 8px; text-transform: uppercase; }
.input-wrap input { width: 100%; padding: 16px; background: #000; border: 1px solid var(--glass-border); border-radius: 14px; color: #fff; font-size: 1.1rem; outline: none; }

.btn-execute { width: 100%; padding: 20px; background: linear-gradient(45deg, var(--neon-purple), #4f46e5); color: #fff; border: none; border-radius: 14px; font-weight: 900; cursor: pointer; transition: 0.3s; }
.btn-execute:hover { transform: scale(1.02); box-shadow: 0 0 30px var(--neon-purple); }

/* FOOTER CORRIGIDO E CENTRALIZADO */
.site-footer { 
    width: 100%; 
    padding: 3rem 8%; 
    background: rgba(2, 6, 23, 0.9);
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}
.footer-content p { color: #475569; font-size: 0.85rem; margin-bottom: 8px; }
.footer-tag { color: var(--neon-cyan); font-size: 0.7rem; font-weight: 900; letter-spacing: 2px; }

@media (max-width: 900px) { 
    .hero-centered h1 { font-size: 2.8rem; }
    .nav-links { display: none; }
}