*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#191127;--bg2:#180f26;--accent:#883CF0;--accent2:#7c3aed;--accent3:#7b5cff;
  --warn:#b29dce;--text:#c8d6e5;--text-dim:#d6d6d6;--glow:0 0 20px rgba(128, 0, 255, 0.3);
  --font-display:'Orbitron',sans-serif;--font-body:'Rajdhani',sans-serif;--font-mono:'Share Tech Mono',monospace;
}
html{scroll-behavior:smooth;overflow-x:hidden}
body{background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.6;overflow-x:hidden}
::selection{background:var(--accent);color:var(--bg)}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--accent3);border-radius:3px}

/* STARFIELD */
#starfield{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}

/* GRID OVERLAY */
.grid-overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(149, 0, 255, 0.046) 1px,transparent 1px),
    linear-gradient(90deg,rgba(136, 0, 255, 0.073) 1px,transparent 1px);
  background-size:60px 60px;
}

/* SCAN LINE */
.scanline{position:fixed;top:0;left:0;width:100%;height:100%;z-index:2;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.03) 2px,rgba(0,0,0,.03) 4px);
}

/* NAV */
nav{position:fixed;top:0;left:0;width:100%;z-index:100;padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(180deg,#180f26,transparent);backdrop-filter:blur(10px);transition:.3s}
nav.scrolled{background:#1f1232bc}
.logo{font-family:var(--font-display);font-size:1.1rem;font-weight:900;letter-spacing:4px;color:var(--accent);text-shadow:var(--glow)}
.logo span{color:var(--accent2)}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{font-family:var(--font-mono);font-size:.75rem;color:var(--text-dim);text-decoration:none;letter-spacing:2px;text-transform:uppercase;transition:.3s;position:relative}
.nav-links a:hover{color:var(--accent)}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--accent);transition:.3s}
.nav-links a:hover::after{width:100%}

/* HERO */
.hero{position:relative;z-index:10;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem}
.hero-badge{font-family:var(--font-mono);font-size:.7rem;letter-spacing:6px;color:var(--accent2);text-transform:uppercase;margin-bottom:1.5rem;
  border:1px solid #3a1c63;padding:.5rem 1.5rem;border-radius:2px;animation:pulse-border 3s infinite}
@keyframes pulse-border{0%,100%{border-color:#3a1c63}50%{border-color:#5e309d}}
.hero h1{font-family:var(--font-display);font-size:clamp(2.5rem,8vw,6rem);font-weight:900;letter-spacing:8px;line-height:1.1;margin-bottom:1rem;
  color:var(--accent);
  animation:shimmer 4s ease-in-out infinite}
@keyframes shimmer{0%,100%{filter:brightness(1)}50%{filter:brightness(1.3)}}
.hero-sub{font-family:var(--font-body);font-size:clamp(1rem,2.5vw,1.4rem);font-weight:300;color:var(--text-dim);max-width:600px;margin:0 auto 2.5rem}
.hero-cta{display:inline-flex;align-items:center;gap:.7rem;font-family:var(--font-mono);font-size:.8rem;letter-spacing:3px;text-transform:uppercase;
  color:var(--bg);background:var(--accent);padding:.9rem 2.5rem;border:none;cursor:pointer;text-decoration:none;transition:.3s;clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))}
.hero-cta:hover{background:var(--accent2);box-shadow:0 0 30px rgba(149, 0, 255, 0.4)}
.scroll-indicator{position:absolute;bottom:3rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.5rem}
.scroll-indicator span{font-family:var(--font-mono);font-size:.6rem;letter-spacing:4px;color:var(--text-dim);text-transform:uppercase}
.scroll-arrow{width:20px;height:20px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);animation:bounce 2s infinite}
@keyframes bounce{0%,20%,50%,80%,100%{transform:rotate(45deg) translateY(0)}40%{transform:rotate(45deg) translateY(-8px)}60%{transform:rotate(45deg) translateY(-4px)}}

/* SECTIONS */
section{position:relative;z-index:10;padding:6rem 2rem}
.section-inner{max-width:1100px;margin:0 auto}
.section-label{font-family:var(--font-mono);font-size:.65rem;letter-spacing:6px;color:var(--accent3);text-transform:uppercase;margin-bottom:.5rem}
.section-title{font-family:var(--font-display);font-size:clamp(1.5rem,4vw,2.5rem);font-weight:700;letter-spacing:3px;margin-bottom:2rem;
  color:#fff;text-shadow:0 0 40px rgba(136, 0, 255, 0.15)}
.section-title span{color:var(--accent)}

/* STATS */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:4rem}
.stat-card{background:#23133a;border:1px solid #3a1c63;padding:2rem;position:relative;overflow:hidden;transition:.3s;
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,16px 100%,0 calc(100% - 16px))}
.stat-card:hover{border-color:#5e309d;transform:translateY(-4px);box-shadow:0 8px 40px rgba(132, 0, 255, 0.08)}
.stat-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.5}
.stat-number{font-family:var(--font-display);font-size:2.5rem;font-weight:900;color:var(--accent);margin-bottom:.5rem;display:block}
.stat-label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:3px;color:var(--text-dim);text-transform:uppercase}

/* TIMELINE */
.timeline{position:relative;padding-left:3rem}
.timeline::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--accent),var(--accent3),var(--warn))}
.timeline-item{position:relative;margin-bottom:3rem;padding-left:2rem;opacity:0;transform:translateX(-30px);transition:.6s}
.timeline-item.visible{opacity:1;transform:translateX(0)}
.timeline-item::before{content:'';position:absolute;left:-3.55rem;top:.5rem;width:12px;height:12px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 15px var(--accent);z-index:2}
.timeline-item:nth-child(even)::before{background:var(--accent2);box-shadow:0 0 15px var(--accent2)}
.timeline-item:nth-child(3n)::before{background:var(--accent3);box-shadow:0 0 15px var(--accent3)}
.timeline-year{font-family:var(--font-display);font-size:1.1rem;font-weight:700;color:var(--accent2);margin-bottom:.3rem}
.timeline-title{font-family:var(--font-body);font-size:1.2rem;font-weight:600;color:#fff;margin-bottom:.3rem}
.timeline-desc{font-size:.95rem;color:var(--text-dim);line-height:1.7}

/* PHENOMENA CARDS */
.phenomena-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.phenom-card{background:#23133a;border:1px solid #3a1c63;padding:0;overflow:hidden;cursor:pointer;transition:.4s;position:relative}
.phenom-card:hover{border-color:#5e309d;transform:scale(1.02);box-shadow:0 12px 50px rgba(184, 92, 255, 0.12)}
.phenom-header{padding:1.5rem 1.5rem .5rem;display:flex;align-items:center;gap:1rem}
.phenom-icon{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;
  background:linear-gradient(135deg,rgba(123,92,255,.2),rgba(140, 0, 255, 0.1));border:1px solid rgba(123,92,255,.2);flex-shrink:0}
.phenom-name{font-family:var(--font-display);font-size:.9rem;font-weight:700;letter-spacing:2px;color:#fff}
.phenom-type{font-family:var(--font-mono);font-size:.6rem;letter-spacing:3px;color:var(--accent3);text-transform:uppercase}
.phenom-body{padding:0 1.5rem 1.5rem}
.phenom-body p{font-size:.9rem;color:var(--text-dim);line-height:1.7}
.phenom-footer{padding:.8rem 1.5rem;border-top:1px solid #3a1c63;display:flex;justify-content:space-between;align-items:center}
.phenom-tag{font-family:var(--font-mono);font-size:.6rem;letter-spacing:2px;color:var(--accent);text-transform:uppercase;
  background:#1f1232;padding:.3rem .7rem;border:1px solid #3a1c63;border-radius:2px}
.phenom-status{font-family:var(--font-mono);font-size:.6rem;letter-spacing:2px;text-transform:uppercase}
.phenom-status.open{color:var(--warn)}
.phenom-status.partial{color:var(--accent2)}
.phenom-status.classified{color:var(--accent3)}

/* INTERACTIVE RADAR */
.radar-section{display:flex;gap:3rem;align-items:center;flex-wrap:wrap}
.radar-container{flex:1;min-width:300px;aspect-ratio:1;position:relative;display:flex;align-items:center;justify-content:center}
.radar-svg{width:100%;height:100%;max-width:420px}
.radar-info{flex:1;min-width:280px}
.radar-info h3{font-family:var(--font-display);font-size:1.3rem;color:#fff;margin-bottom:1rem}
.radar-info p{color:var(--text-dim);margin-bottom:1.5rem;line-height:1.7}
.signal-bars{display:flex;flex-direction:column;gap:.8rem}
.signal-bar{position:relative}
.signal-bar-label{font-family:var(--font-mono);font-size:.65rem;letter-spacing:2px;color:var(--text-dim);text-transform:uppercase;margin-bottom:.3rem;display:flex;justify-content:space-between}
.signal-bar-track{height:6px;background:rgba(255, 255, 255, 0.05);border-radius:3px;overflow:hidden}
.signal-bar-fill{height:100%;border-radius:3px;transition:width 1.5s ease;width:0}
.signal-bar-fill.bar1{background:linear-gradient(90deg,var(--accent),var(--accent2))}
.signal-bar-fill.bar2{background:linear-gradient(90deg,var(--accent2),var(--accent3))}
.signal-bar-fill.bar3{background:linear-gradient(90deg,var(--accent3),var(--warn))}
.signal-bar-fill.bar4{background:linear-gradient(90deg,var(--warn),var(--accent))}

/* QUIZ */
.quiz-container{max-width:700px;margin:0 auto;background:#23133a;border:1px solid #3a1c63;padding:2.5rem;position:relative;
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,20px 100%,0 calc(100% - 20px))}
.quiz-progress{display:flex;gap:.5rem;margin-bottom:2rem}
.quiz-dot{width:100%;height:3px;background:rgba(255,255,255,.08);border-radius:2px;transition:.3s}
.quiz-dot.active{background:var(--accent)}
.quiz-dot.done{background:var(--accent3)}
.quiz-question{font-family:var(--font-display);font-size:1.1rem;color:#fff;margin-bottom:1.5rem;line-height:1.5}
.quiz-options{display:flex;flex-direction:column;gap:.8rem}
.quiz-option{font-family:var(--font-body);font-size:1rem;color:var(--text);background:#1f1232;border:1px solid #3a1c63;
  padding:1rem 1.2rem;cursor:pointer;transition:.3s;text-align:left}
.quiz-option:hover{border-color:var(--accent);background:#2a1647}
.quiz-option.selected{border-color:var(--accent);background:#2a1647;color:var(--accent)}
.quiz-option.correct{border-color:#77b255;background:rgba(0,255,136,.1);color:#77b255}
.quiz-option.wrong{border-color:#dc143c;background:rgba(255,51,102,.08);color:#dc143c}
.quiz-btn{margin-top:1.5rem;font-family:var(--font-mono);font-size:.75rem;letter-spacing:3px;text-transform:uppercase;
  color:var(--bg);background:var(--accent);border:none;padding:.8rem 2rem;cursor:pointer;transition:.3s;
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,8px 100%,0 calc(100% - 8px))}
.quiz-btn:hover{background:var(--accent2)}
.quiz-btn:disabled{opacity:.4;cursor:not-allowed}
.quiz-result{text-align:center;padding:2rem 0}
.quiz-score{font-family:var(--font-display);font-size:3rem;font-weight:900;color:var(--accent);margin-bottom:.5rem}
.quiz-rating{font-family:var(--font-mono);font-size:.8rem;color:var(--accent2);letter-spacing:3px;text-transform:uppercase}

/* FOOTER */
footer{position:relative;z-index:10;padding:3rem 2rem;border-top:1px solid #3a1c63;text-align:center}
footer p{font-family:var(--font-mono);font-size:.65rem;letter-spacing:3px;color:var(--text-dim);text-transform:uppercase}
footer .accent-line{width:60px;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent3));margin:1rem auto 0;border-radius:1px}

/* MOBILE */
@media(max-width:768px){
  nav{padding:.8rem 1rem}
  .nav-links{gap:1rem}
  .nav-links a{font-size:.6rem;letter-spacing:1px}
  section{padding:4rem 1rem}
  .radar-section{flex-direction:column}
  .timeline{padding-left:2rem}
  .timeline-item{padding-left:1.5rem}
  .timeline-item::before{left:-2.55rem}
  .quiz-container{padding:1.5rem}
}

/* FADE-IN */
.fade-in{opacity:0;transform:translateY(30px);transition:.7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}