:root { --primary: #00ff41; --bg: #000; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: var(--bg); color: white; font-family: 'Rajdhani', sans-serif; overflow-x: hidden; }

/* NAVBAR */
#navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 15px 10%; background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    position: fixed; width: 100%; z-index: 1000; border-bottom: 1px solid rgba(0,255,65,0.2);
}
.logo { font-family: 'Orbitron'; font-size: 1.5rem; letter-spacing: 2px; }
.logo span { color: var(--primary); text-shadow: 0 0 10px var(--primary); }
.nav-links { display: flex; list-style: none; gap: 30px; }
.nav-links a { text-decoration: none; color: white; font-weight: bold; transition: 0.3s; }
.nav-links a:hover { color: var(--primary); }

/* HERO CENTRALIZADO */
.hero { height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; text-align: center; }
.hero-main { z-index: 10; width: 100%; display: flex; flex-direction: column; align-items: center; gap: 40px; }

/* NEON LINEAR NÍTIDO */
#main-logo-vfx { 
    width: 400px; /* Logo levemente maior para compensar a falta do texto */
    height: auto;
    filter: drop-shadow(0 0 2px var(--primary)) drop-shadow(0 0 10px var(--primary));
    animation: neonPulse 3.5s infinite ease-in-out;
}

@keyframes neonPulse {
    0%, 100% { filter: drop-shadow(0 0 2px var(--primary)) drop-shadow(0 0 8px var(--primary)); opacity: 0.9; }
    50% { filter: drop-shadow(0 0 3px var(--primary)) drop-shadow(0 0 18px var(--primary)); opacity: 1; }
}

.whatsapp-btn { text-decoration: none; padding: 18px 50px; border: 2px solid var(--primary); color: var(--primary); font-family: 'Orbitron'; font-weight: bold; transition: 0.5s; background: rgba(0,255,65,0.02); }
.whatsapp-btn:hover { background: var(--primary); color: #000; box-shadow: 0 0 30px var(--primary); }

/* PORTFOLIO */
.portfolio-section { padding: 100px 10%; background: #000; text-align: center; }
.section-label { font-family: 'Orbitron'; font-size: 2.2rem; margin-bottom: 60px; color: var(--primary); }

.tabs-container { display: flex; justify-content: center; gap: 20px; margin-bottom: 50px; }
.tab-btn { background: transparent; border: 1px solid #333; color: white; padding: 12px 30px; cursor: pointer; font-family: 'Orbitron'; position: relative; transition: 0.3s; }
.tab-btn.active { border-color: var(--primary); color: var(--primary); background: rgba(0,255,65,0.08); }

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.6s ease; }

.services-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 25px; max-width: 1200px; margin: 0 auto;
}

.service-card { 
    background: #080808; padding: 30px; border: 1px solid #1a1a1a; 
    border-radius: 12px; cursor: pointer; transition: 0.3s; text-align: center;
}
.service-card:hover { border-color: var(--primary); transform: translateY(-5px); }

.card-header { font-family: 'Orbitron'; font-size: 1.1rem; letter-spacing: 1px; }
.card-desc { 
    max-height: 0; opacity: 0; overflow: hidden; 
    transition: all 0.4s ease; color: #999; font-size: 0.95rem; line-height: 1.5;
}
.service-card.active-card .card-desc { max-height: 120px; opacity: 1; margin-top: 20px; }

/* FOOTER */
.main-footer { background: #050505; padding: 60px 10% 20px; border-top: 1px solid rgba(0,255,65,0.1); margin-top: 50px; }
.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; text-align: left; margin-bottom: 40px; }
.footer-section h4 { font-family: 'Orbitron'; color: var(--primary); margin-bottom: 20px; font-size: 0.9rem; letter-spacing: 2px; }
.footer-section p { color: #888; font-size: 0.9rem; line-height: 1.6; }
.footer-section ul { list-style: none; }
.footer-section ul li a { text-decoration: none; color: #888; font-size: 0.9rem; transition: 0.3s; }
.footer-section ul li a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid #111; padding-top: 20px; text-align: center; color: #555; font-size: 0.8rem; }

/* PARTICULAS E ROBÔ */
#particles-container { position: absolute; width: 100%; height: 100%; top: 0; left: 0; z-index: 1; }
.particle { position: absolute; background: var(--primary); border-radius: 50%; box-shadow: 0 0 6px var(--primary); }
.robot-icon { position: absolute; top: -45px; left: 50%; transform: translateX(-50%); font-size: 2.2rem; animation: float 2s infinite ease-in-out; }

@keyframes float { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, -12px); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }