* { margin:0; padding:0; box-sizing:border-box; }

:root{
  --bg:#05060d;
  --bg-alt:#0a0d1a;
  --panel:#0e1224;
  --panel-border:rgba(120,140,255,0.15);
  --accent:#5b8cff;
  --accent2:#8b5cf6;
  --accent3:#22d3ee;
  --text:#e6e9f5;
  --text-dim:#8891b0;
  --success:#22c55e;
  --warn:#f59e0b;
  font-size:16px;
}

html{scroll-behavior:smooth;}

body{
  font-family:'Space Grotesk', sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  position:relative;
  line-height:1.6;
}

h1,h2,h3, .logo{ font-family:'Orbitron', sans-serif; }

#starfield{
  position:fixed; top:0; left:0; width:100%; height:100%;
  z-index:0; background:radial-gradient(ellipse at 50% 0%, #0d1230 0%, #05060d 60%);
}

.grid-overlay{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(91,140,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,140,255,0.04) 1px, transparent 1px);
  background-size:50px 50px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);
}

.gradient-text{
  background:linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

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

.navbar{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding:18px 6%; display:flex; justify-content:center;
  transition:background .3s, backdrop-filter .3s, padding .3s;
}
.navbar.scrolled{ background:rgba(5,6,13,0.85); backdrop-filter:blur(12px); padding:12px 6%; border-bottom:1px solid var(--panel-border); }
.nav-container{ width:100%; max-width:1300px; display:flex; align-items:center; justify-content:space-between; }
.logo{ font-size:1.2rem; font-weight:700; color:var(--text); text-decoration:none; letter-spacing:1px; display:flex; align-items:center; gap:8px;}
.logo-icon{ color:var(--accent3); }
.nav-links{ display:flex; gap:32px; list-style:none; }
.nav-links a{ color:var(--text-dim); text-decoration:none; font-size:.92rem; font-weight:500; transition:color .2s; position:relative; }
.nav-links a:hover{ color:var(--text); }
.nav-links a::after{ content:''; position:absolute; left:0; bottom:-6px; width:0; height:2px; background:var(--accent3); transition:width .25s; }
.nav-links a:hover::after{ width:100%; }
.burger{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; z-index:200;}
.burger span{ width:24px; height:2px; background:var(--text); display:block; }

.hero{
  min-height:100vh; display:flex; align-items:center; justify-content:space-between;
  padding:140px 6% 60px; position:relative; z-index:1; flex-wrap:wrap; gap:40px;
}
.hero-content{ max-width:640px; }
.badge{
  display:inline-block; padding:6px 16px; border:1px solid var(--panel-border); border-radius:30px;
  font-size:.78rem; letter-spacing:1px; color:var(--accent3); text-transform:uppercase; margin-bottom:24px;
  background:rgba(91,140,255,0.06);
}
.hero h1{ font-size:clamp(2.2rem, 5vw, 3.6rem); line-height:1.15; margin-bottom:20px; font-weight:900; }
.hero-sub{ color:var(--text-dim); font-size:1.05rem; max-width:540px; margin-bottom:32px; }
.hero-cta{ display:flex; gap:16px; margin-bottom:48px; flex-wrap:wrap; }

.btn{ padding:14px 30px; border-radius:8px; font-weight:600; text-decoration:none; font-size:.95rem; cursor:pointer; border:none; transition:transform .2s, box-shadow .2s; display:inline-block; }
.btn-primary{ background:linear-gradient(90deg, var(--accent), var(--accent2)); color:#fff; box-shadow:0 8px 24px rgba(91,140,255,0.35); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 28px rgba(91,140,255,0.5); }
.btn-outline{ background:transparent; border:1px solid var(--panel-border); color:var(--text); }
.btn-outline:hover{ border-color:var(--accent3); color:var(--accent3); }

.hero-stats{ display:flex; gap:48px; }
.stat{ display:flex; flex-direction:column; }
.stat-num{ font-family:'Orbitron',sans-serif; font-size:1.8rem; font-weight:700; color:var(--accent3); }
.stat-label{ font-size:.8rem; color:var(--text-dim); margin-top:4px; }

.hero-visual{ position:relative; width:420px; height:420px; flex-shrink:0; }
.orbit-system{ position:relative; width:100%; height:100%; }
.planet-core{
  position:absolute; top:50%; left:50%; width:120px; height:120px; margin:-60px 0 0 -60px;
  border-radius:50%;
  background:radial-gradient(circle at 35% 35%, #8b5cf6, #1e1b4b 70%);
  box-shadow:0 0 60px rgba(139,92,246,0.6), inset -10px -10px 30px rgba(0,0,0,0.5);
  animation:pulse 4s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{ box-shadow:0 0 60px rgba(139,92,246,0.6);} 50%{ box-shadow:0 0 90px rgba(139,92,246,0.9);} }
.orbit-ring{ position:absolute; top:50%; left:50%; border:1px dashed rgba(139,161,255,0.25); border-radius:50%; transform:translate(-50%,-50%); }
.ring-1{ width:200px; height:200px; animation:spin 8s linear infinite; }
.ring-2{ width:300px; height:300px; animation:spin 14s linear infinite reverse; }
.ring-3{ width:400px; height:400px; animation:spin 22s linear infinite; }
@keyframes spin{ from{ transform:translate(-50%,-50%) rotate(0deg);} to{ transform:translate(-50%,-50%) rotate(360deg);} }
.satellite{ position:absolute; top:-4px; left:50%; width:10px; height:10px; margin-left:-5px; background:var(--accent3); border-radius:50%; box-shadow:0 0 10px var(--accent3); }
.sat-2{ background:var(--accent); box-shadow:0 0 10px var(--accent); }
.sat-3{ background:var(--accent2); box-shadow:0 0 10px var(--accent2); }

.scroll-indicator{
  position:absolute; bottom:24px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:8px; color:var(--text-dim); font-size:.75rem;
}
.scroll-indicator span{ width:1px; height:30px; background:linear-gradient(var(--accent3), transparent); animation:scrollmove 1.6s ease-in-out infinite; }
@keyframes scrollmove{ 0%{ opacity:0; transform:translateY(-10px);} 50%{opacity:1;} 100%{ opacity:0; transform:translateY(10px);} }

.section{ position:relative; z-index:1; padding:100px 6%; max-width:1300px; margin:0 auto; }
.section-alt{ background:linear-gradient(180deg, transparent, rgba(91,140,255,0.03), transparent); }
.section-head{ text-align:center; max-width:640px; margin:0 auto 60px; }
.section-tag{ color:var(--accent3); font-size:.8rem; letter-spacing:2px; text-transform:uppercase; font-weight:600; }
.section-head h2{ font-size:clamp(1.8rem,3.5vw,2.6rem); margin:12px 0 14px; }
.section-head p{ color:var(--text-dim); }

.mission-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(270px,1fr)); gap:24px; }
.mission-card{
  background:var(--panel); border:1px solid var(--panel-border); border-radius:16px; padding:28px;
  position:relative; transition:transform .3s, border-color .3s;
}
.mission-card:hover{ transform:translateY(-6px); border-color:var(--accent); }
.mission-icon{ font-size:2rem; margin-bottom:14px; }
.mission-status{ display:inline-block; font-size:.7rem; padding:4px 10px; border-radius:20px; font-weight:700; letter-spacing:.5px; margin-bottom:12px; }
.status-active{ background:rgba(34,197,94,0.15); color:var(--success); }
.status-launch{ background:rgba(245,158,11,0.15); color:var(--warn); }
.status-planning{ background:rgba(139,92,246,0.15); color:var(--accent2); }
.mission-card h3{ font-size:1.15rem; margin-bottom:10px; }
.mission-card p{ color:var(--text-dim); font-size:.9rem; margin-bottom:16px; }
.mission-meta{ display:flex; justify-content:space-between; font-size:.78rem; color:var(--accent3); border-top:1px solid var(--panel-border); padding-top:12px; }

.science-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:20px; }
.science-card{ background:var(--panel); border:1px solid var(--panel-border); border-radius:14px; padding:26px; transition:border-color .3s, background .3s; }
.science-card:hover{ border-color:var(--accent3); background:rgba(34,211,238,0.04); }
.sci-num{ font-family:'Orbitron',sans-serif; color:var(--panel-border); font-size:2rem; font-weight:900; margin-bottom:8px; }
.science-card h3{ font-size:1.05rem; margin-bottom:8px; }
.science-card p{ color:var(--text-dim); font-size:.88rem; }

.telemetry-panel{ background:var(--panel); border:1px solid var(--panel-border); border-radius:20px; padding:36px; }
.telemetry-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:20px; margin-bottom:30px; }
.tm-card{ background:var(--bg-alt); border-radius:12px; padding:18px; }
.tm-label{ display:block; font-size:.78rem; color:var(--text-dim); margin-bottom:8px; }
.tm-value{ font-family:'Orbitron',sans-serif; font-size:1.5rem; color:var(--accent3); font-weight:700; }
.tm-value small{ font-size:.8rem; color:var(--text-dim); }
.tm-bar{ height:5px; background:rgba(255,255,255,0.06); border-radius:10px; margin-top:12px; overflow:hidden; }
.tm-fill{ height:100%; background:linear-gradient(90deg, var(--accent), var(--accent3)); border-radius:10px; transition:width .8s ease; }
#tmChart{ width:100%; max-width:100%; }
.telemetry-note{ color:var(--text-dim); font-size:.78rem; margin-top:16px; text-align:right; }

.lab-panel{ display:grid; grid-template-columns:1fr 1fr; gap:40px; background:var(--panel); border:1px solid var(--panel-border); border-radius:20px; padding:36px; align-items:center; }
.lab-controls label{ display:block; margin-bottom:22px; font-size:.85rem; color:var(--text-dim); }
.lab-controls input[type=range]{ width:100%; margin-top:8px; accent-color:var(--accent3); }
.lab-controls span{ color:var(--accent3); font-weight:700; margin-left:6px; }
.lab-result{ margin-top:20px; padding:16px; background:var(--bg-alt); border-radius:10px; font-size:.85rem; color:var(--text-dim); min-height:60px; }
.lab-canvas-wrap{ display:flex; justify-content:center; }
#orbitCanvas{ background:radial-gradient(circle, #0a0d1a, #05060d); border-radius:16px; max-width:100%; }

.cta-section{ display:flex; justify-content:center; }
.cta-box{ max-width:600px; width:100%; text-align:center; }
.cta-box h2{ font-size:clamp(1.8rem,3.5vw,2.4rem); margin-bottom:14px; }
.cta-box p{ color:var(--text-dim); margin-bottom:32px; }
.contact-form{ text-align:left; }
.form-row{ display:flex; gap:16px; margin-bottom:16px; }
.contact-form input, .contact-form textarea{
  width:100%; padding:14px 16px; background:var(--panel); border:1px solid var(--panel-border); border-radius:8px;
  color:var(--text); font-family:inherit; font-size:.9rem; margin-bottom:16px; resize:vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ outline:none; border-color:var(--accent3); }
.form-note{ margin-top:12px; font-size:.85rem; color:var(--success); }

.footer{ position:relative; z-index:1; border-top:1px solid var(--panel-border); padding:50px 6% 30px; }
.footer-content{ max-width:1300px; margin:0 auto; display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; align-items:flex-start; }
.footer-brand p{ color:var(--text-dim); font-size:.85rem; margin-top:8px; }
.footer-links{ display:flex; gap:24px; flex-wrap:wrap; }
.footer-links a{ color:var(--text-dim); text-decoration:none; font-size:.88rem; }
.footer-links a:hover{ color:var(--accent3); }
.footer-copy{ width:100%; text-align:center; color:var(--text-dim); font-size:.78rem; margin-top:30px; border-top:1px solid var(--panel-border); padding-top:20px; }

.fade-in{ opacity:0; transform:translateY(20px); animation:fadeUp .8s forwards ease; }
.delay-1{ animation-delay:.1s; } .delay-2{ animation-delay:.25s; } .delay-3{ animation-delay:.4s; } .delay-4{ animation-delay:.55s; }
@keyframes fadeUp{ to{ opacity:1; transform:translateY(0); } }

.reveal{ opacity:0; transform:translateY(30px); transition:opacity .6s ease, transform .6s ease; }
.reveal.visible{ opacity:1; transform:translateY(0); }

@media (max-width: 900px){
  .lab-panel{ grid-template-columns:1fr; }
  .hero{ justify-content:center; text-align:center; }
  .hero-content{ margin:0 auto; }
  .hero-cta{ justify-content:center; }
  .hero-stats{ justify-content:center; }
}
@media (max-width: 768px){
  .nav-links{ position:fixed; top:0; right:0; height:100vh; width:70%; background:rgba(5,6,13,0.98); flex-direction:column; justify-content:center; align-items:center; gap:32px; transform:translateX(100%); transition:transform .3s; backdrop-filter:blur(12px); }
  .nav-links.open{ transform:translateX(0); }
  .burger{ display:flex; }
  .form-row{ flex-direction:column; gap:0; }
  .hero-visual{ width:280px; height:280px; }
}