/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #03010a;
  --bg-card: #0d0820;
  --bg-card2: #08050f;
  --accent-purple: #7c3aed;
  --accent-blue: #2563eb;
  --accent-cyan: #06b6d4;
  --accent-pink: #ec4899;
  --text-main: #e2e0f0;
  --text-muted: #8b87a8;
  --border: rgba(124, 58, 237, 0.2);
  --glow-purple: rgba(124, 58, 237, 0.4);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(3, 1, 10, 0.8);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  transition: all 0.3s;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 1.4rem;
  background: linear-gradient(135deg, #7c3aed, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.3s;
  letter-spacing: 0.5px;
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
              var(--bg-dark);
  padding: 100px 24px 60px;
}

.stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.star {
  position: absolute;
  border-radius: 50%;
  background: white;
  animation: twinkle var(--duration, 3s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}

.hero-planet {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%,
    #4a1a8a,
    #1a0840 40%,
    #0d0420 70%,
    #050210
  );
  box-shadow:
    0 0 60px rgba(124, 58, 237, 0.4),
    0 0 120px rgba(124, 58, 237, 0.2),
    inset 0 0 60px rgba(0,0,0,0.6);
  animation: float 8s ease-in-out infinite;
}

.hero-planet::before {
  content: '';
  position: absolute;
  top: -30px;
  left: -60px;
  right: -60px;
  bottom: -30px;
  border-radius: 50%;
  border: 18px solid transparent;
  border-top-color: rgba(124, 58, 237, 0.3);
  border-bottom-color: rgba(6, 182, 212, 0.2);
  transform: rotateX(75deg);
  animation: ring-rotate 20s linear infinite;
}

@keyframes ring-rotate {
  from { transform: rotateX(75deg) rotateZ(0deg); }
  to { transform: rotateX(75deg) rotateZ(360deg); }
}

@keyframes float {
  0%, 100% { transform: translateY(-50%) translateX(0); }
  50% { transform: translateY(calc(-50% - 20px)) translateX(10px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero-tagline {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #7c3aed, #06b6d4, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: white;
  box-shadow: 0 0 30px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 50px rgba(124, 58, 237, 0.6);
}

.btn-outline {
  border-color: rgba(124, 58, 237, 0.5);
  color: var(--text-main);
  background: rgba(124, 58, 237, 0.1);
}

.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  transform: translateY(-3px);
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-purple), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ===== STATS ===== */
.stats-section {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(6, 182, 212, 0.1));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 24px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  text-align: center;
}

.stat-card {
  padding: 24px;
}

.stat-number {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  background: linear-gradient(135deg, #7c3aed, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-unit {
  font-size: 1rem;
  font-weight: 600;
}

.stat-label {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 24px;
}

.section-dark {
  background: var(--bg-card2);
}

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff, #8b87a8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-purple), var(--accent-cyan));
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.6s ease;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline-dot {
  position: absolute;
  left: -48px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-purple);
  border: 3px solid var(--accent-cyan);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.6);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.3s;
}

.timeline-content:hover {
  border-color: var(--accent-purple);
}

.timeline-content h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: #fff;
}

.timeline-time {
  font-size: 0.8rem;
  color: var(--accent-cyan);
  letter-spacing: 1px;
  display: block;
  margin-bottom: 12px;
}

.timeline-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== PLANETS ===== */
.planets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.planet-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 20px;
  padding: 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.planet-card:hover {
  transform: translateY(-6px);
  border-color: var(--planet-color, var(--accent-purple));
  box-shadow: 0 0 40px rgba(var(--planet-color, 124, 58, 237), 0.15);
}

.planet-visual {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin-bottom: 20px;
  box-shadow: 0 0 20px color-mix(in srgb, var(--glow, #7c3aed) 40%, transparent);
  transition: transform 0.5s;
}

.planet-card:hover .planet-visual {
  transform: rotate(20deg) scale(1.1);
}

.planet-card h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  margin-bottom: 10px;
  color: #fff;
}

.planet-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.planet-facts {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.planet-facts span {
  font-size: 0.78rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px 10px;
  border-radius: 50px;
  color: var(--text-muted);
}

/* ===== MISSIONS ===== */
.missions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.mission-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s;
  position: relative;
}

.mission-card.featured {
  border-color: rgba(124, 58, 237, 0.5);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(13, 8, 32, 1));
}

.mission-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  border-color: var(--accent-purple);
}

.mission-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: linear-gradient(135deg, #7c3aed, #06b6d4);
  padding: 4px 12px;
  border-radius: 50px;
  color: white;
}

.mission-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.mission-card h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: #fff;
}

.mission-year {
  display: block;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.mission-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.mission-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.mission-tags span {
  font-size: 0.75rem;
  background: rgba(124, 58, 237, 0.15);
  border: 1px solid rgba(124, 58, 237, 0.3);
  padding: 4px 12px;
  border-radius: 50px;
  color: #a78bfa;
}

/* ===== CURIOSIDADES ===== */
.curiosities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.curiosity-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 32px;
  transition: all 0.3s;
  text-align: center;
}

.curiosity-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: 0 20px 60px rgba(124, 58, 237, 0.1);
}

.curiosity-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
}

.curiosity-card h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  margin-bottom: 12px;
  color: #fff;
}

.curiosity-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 24px;
  background: radial-gradient(ellipse at center, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.cta-content h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #7c3aed, #06b6d4, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-content p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
  background: #020108;
  padding: 60px 24px 24px;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.7;
}

.footer-links h4 {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-planet {
    display: none;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .nav-links {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 100px 20px 80px;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    text-align: center;
    justify-content: center;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .stat-number {
    font-size: 1.6rem;
  }

  .planets-grid,
  .missions-grid,
  .curiosities-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 70px 20px;
  }

  .timeline {
    padding-left: 28px;
  }

  .timeline-dot {
    left: -36px;
  }
}