/* ===== CSS Variables ===== */
:root {
  --bg-color: #090A0F;
  --neon-blue: #00F0FF;
  --neon-purple: #7000FF;
  --text-main: #FFFFFF;
  --text-muted: #A0AAB2;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

/* ===== Global Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, .logo {
  font-family: var(--font-heading);
}

/* ===== Background Effects ===== */
.bg-effects {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.glow-orb.blue {
  top: -10%; left: -10%;
  background-color: var(--neon-blue);
  animation: float 20s ease-in-out infinite alternate;
}

.glow-orb.purple {
  bottom: -20%; right: -10%;
  background-color: var(--neon-purple);
  animation: float 25s ease-in-out infinite alternate-reverse;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, 30px) scale(1.1); }
  100% { transform: translate(-20px, -20px) scale(0.9); }
}

/* ===== Typography & Utilities ===== */
.neon-text {
  color: var(--neon-blue);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.neon-purple {
  color: var(--neon-purple);
  text-shadow: 0 0 15px rgba(112, 0, 255, 0.4);
}

.highlight {
  color: var(--text-main);
  font-weight: 600;
  border-bottom: 2px solid var(--neon-blue);
}

.section {
  padding: 100px 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 3rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: -1px;
}

/* ===== Navbar ===== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  position: sticky;
  top: 0;
  background: rgba(9, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

/* ===== Buttons ===== */
button {
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  transition: all 0.3s ease;
}

.primary-btn {
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  color: #fff;
  border: none;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.primary-btn::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: all 0.5s;
}

.primary-btn:hover::after {
  left: 100%;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(112, 0, 255, 0.3);
}

.secondary-btn {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--glass-border);
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
  border-radius: 4px;
}

.secondary-btn:hover {
  border-color: var(--neon-blue);
  background: rgba(0, 240, 255, 0.1);
}

/* ===== Glass Cards ===== */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 2.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-glow:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 10px 30px rgba(0, 240, 255, 0.05);
}

/* ===== Hero Section ===== */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80vh;
  gap: 4rem;
}

.hero-content {
  flex: 1;
}

.headline {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -2px;
}

.subheadline {
  font-size: 1.3rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

/* Orbital Graphic Animation */
.hero-graphic {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  height: 400px;
}

.orbital-system {
  position: relative;
  width: 300px;
  height: 300px;
}

.core-orb {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 60px; height: 60px;
  background: var(--neon-blue);
  border-radius: 50%;
  box-shadow: 0 0 30px var(--neon-blue), 0 0 60px var(--neon-purple);
  animation: pulse 2s infinite alternate;
}

.ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.ring-1 { width: 140px; height: 140px; animation: spin 10s linear infinite; border-top-color: var(--neon-blue); }
.ring-2 { width: 220px; height: 220px; animation: spin 15s linear infinite reverse; border-bottom-color: var(--neon-purple); }
.ring-3 { width: 300px; height: 300px; animation: spin 20s linear infinite; }

.satellite {
  position: absolute;
  width: 12px; height: 12px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 10px #fff;
}

.sat-1 { top: 0; left: 50%; transform: translate(-50%, -50%); background: var(--neon-blue); }
.sat-2 { bottom: 0; left: 50%; transform: translate(-50%, 50%); background: var(--neon-purple); }
.sat-3 { top: 50%; right: 0; transform: translate(50%, -50%); }

@keyframes spin { 100% { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes pulse { 0% { opacity: 0.8; transform: translate(-50%, -50%) scale(0.95); } 100% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); } }

/* ===== Comparisons ===== */
.comparison-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 3rem;
}

.compare-card {
  flex: 1;
  text-align: center;
}

.compare-card .icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.compare-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.compare-card p {
  color: var(--text-muted);
}

.highlight-border {
  border-color: rgba(112, 0, 255, 0.5);
  box-shadow: 0 0 40px rgba(112, 0, 255, 0.1);
}

.compare-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
}

.compare-divider .line {
  width: 40px; height: 1px;
  background: var(--glass-border);
}

/* ===== Grid Sections ===== */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Use Cases ===== */
.use-case-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.use-case-item {
  display: flex;
  align-items: center;
  padding: 2rem;
  cursor: pointer;
  transition: all 0.3s;
}

.case-number {
  font-family: var(--font-heading);
  color: var(--text-muted);
  font-size: 1.2rem;
  width: 50px;
  font-weight: 600;
}

.use-case-item h3 {
  flex: 1;
  font-size: 1.5rem;
}

.arrow-right {
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.3s;
  color: var(--neon-blue);
}

.hover-slide:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--neon-blue);
}

.hover-slide:hover .arrow-right {
  opacity: 1;
  transform: translateX(0);
}

/* ===== Dual Layout (Why Us & How it Works) ===== */
.dual-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.features-list li {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.bullet-glow {
  width: 12px; height: 12px;
  background: var(--neon-blue);
  border-radius: 50%;
  margin-top: 6px;
  box-shadow: 0 0 10px var(--neon-blue);
}

.purple-glow {
  background: var(--neon-purple);
  box-shadow: 0 0 10px var(--neon-purple);
}

.features-list h4 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.features-list p {
  color: var(--text-muted);
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-left: 1rem;
  border-left: 1px solid var(--glass-border);
  position: relative;
}

.timeline .step {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.timeline .node {
  position: absolute;
  left: -21px; /* 1rem + half of 10px */
  width: 10px; height: 10px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: all 0.3s;
}

.timeline .node.active-glow {
  background: var(--neon-blue);
  box-shadow: 0 0 15px var(--neon-blue);
  transform: scale(1.3);
}

.step-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.step.active .content {
  color: #fff;
  font-weight: 500;
}

/* ===== Final CTA ===== */
.cta-section {
  text-align: center;
  padding: 8rem 5%;
}

.huge-text {
  font-size: 5rem;
  line-height: 1;
  margin-bottom: 1.5rem;
  letter-spacing: -2px;
}

.final-headline {
  font-size: 1.5rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
}

.massive-btn {
  font-size: 1.3rem;
  padding: 1.2rem 3rem;
}

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 3rem 5%;
}

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

.footer-copy {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== Scroll Animations ===== */
.fade-in { opacity: 0; transition: opacity 0.8s ease; }
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.visible { opacity: 1; transform: translateY(0); }

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* ===== Responsive Design ===== */
@media (max-width: 900px) {
  .hero-section, .comparison-container, .dual-layout {
    flex-direction: column;
    text-align: center;
  }
  .dual-layout {
    grid-template-columns: 1fr;
  }
  .headline { font-size: 3rem; }
  .huge-text { font-size: 3.5rem; }
  .features-list li {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .bullet-glow { margin-bottom: 0.5rem; }
  .timeline { border-left: none; align-items: center; }
  .timeline .node { display: none; }
  .timeline .step { flex-direction: column; text-align: center; }
  .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
}