:root {
  --bg-deep: #030308;
  --text-main: #f8f9fa;
  --text-muted: #8b949e;
  
  --brand-cyan: #00e5ff;
  --brand-purple: #9d4edd;
  --brand-pink: #ff0a78;
  
  --glass-bg: rgba(15, 15, 25, 0.4);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-light: rgba(255, 255, 255, 0.15);
}

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

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, sans-serif;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

h1, h2, h3, .logo-text, .badge, .btn {
  font-family: 'Space Grotesk', sans-serif;
}

/* Background Canvas */
#blackhole-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: -1;
  background: radial-gradient(circle at 50% 50%, transparent 20%, var(--bg-deep) 100%);
  pointer-events: none;
}

/* Professional Glassmorphism */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-top: 1px solid var(--glass-border-light);
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.2rem 0;
  z-index: 100;
  background: rgba(3, 3, 8, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  position: relative;
}

.logo-icon {
  height: 120px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(157, 78, 221, 0.4));
  margin-right: -1.5rem;
  margin-left: -1.5rem;
}

.logo-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 1px;
  color: #ffffff;
  text-transform: uppercase;
  display: flex;
  gap: 0.4rem;
}

.logo-drift {
  background: linear-gradient(to right, #ff0a78, #9d4edd, #0044ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-main);
}

.github-link {
  color: var(--text-main) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 8rem 2rem 4rem;
  text-align: center;
  overflow-x: hidden;
}

.hero-content {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-brand {
  margin-bottom: 1.5rem;
  justify-content: center;
}

.hero-content::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160%;
  height: 140%;
  background: radial-gradient(circle, rgba(3, 3, 8, 0.85) 0%, rgba(3, 3, 8, 0.5) 40%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(157, 78, 221, 0.1);
  border: 1px solid rgba(157, 78, 221, 0.3);
  border-radius: 100px;
  color: var(--brand-purple);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 4.5rem;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(to right, var(--brand-cyan), var(--brand-purple), var(--brand-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 3rem;
  text-shadow: 0 2px 4px rgba(0,0,0,1), 0 4px 15px rgba(0,0,0,1);
}

/* Buttons */
.action-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
  background: var(--text-main);
  color: var(--bg-deep);
  border: 1px solid var(--text-main);
}

.btn-primary:hover {
  background: rgba(248, 249, 250, 0.05);
  color: var(--text-main);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.15rem;
}

.btn-massive {
  padding: 1.25rem 3rem;
  font-size: 1.3rem;
  box-shadow: 0 0 30px rgba(157, 78, 221, 0.4);
}
.btn-massive:hover {
  box-shadow: 0 0 50px rgba(157, 78, 221, 0.8);
}

/* Terminal */
.terminal-window {
  width: 100%;
  max-width: 650px;
  text-align: left;
  overflow: hidden;
}

.terminal-header {
  background: rgba(0, 0, 0, 0.4);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--glass-border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
  margin-left: 1rem;
  color: var(--text-muted);
  font-family: monospace;
  font-size: 0.85rem;
}

.terminal-body {
  padding: 1.5rem;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.prompt { color: var(--brand-cyan); }
.success { color: var(--brand-purple); }

/* Features, Pain, and Closer Sections */
.features, .closer {
  padding: 8rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.pain-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.pain-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.pain-grid .feature-card {
  text-align: center;
}
.pain-grid h3 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
}

/* Platform Showcase */
.platform-showcase {
  padding: 8rem 2rem 0 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.showcase-row {
  display: flex;
  align-items: center;
  gap: 4rem;
  margin-bottom: 8rem;
}

.showcase-row:last-child {
  margin-bottom: 0;
}

.showcase-row.reverse {
  flex-direction: row-reverse;
}

.showcase-text {
  flex: 1;
}

.showcase-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.showcase-text p {
  font-size: 1.15rem;
  color: var(--text-muted);
}

.showcase-image-wrapper {
  flex: 1.5;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8), 0 0 40px rgba(157, 78, 221, 0.15);
  border: 1px solid var(--glass-border-light);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.mac-header {
  background: rgba(255, 255, 255, 0.05);
  padding: 0.75rem 1rem;
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--glass-border-light);
}

.showcase-img {
  width: 100%;
  height: auto;
  display: block;
}

.closer-content {
  padding: 5rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.closer-content h2 {
  font-size: 3rem;
}

.closer-content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2.5rem;
  transition: transform 0.3s ease, border-color 0.3s ease;
  cursor: default;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.3);
}

.icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.icon-wrapper.cyan { background: rgba(0, 229, 255, 0.1); color: var(--brand-cyan); border: 1px solid rgba(0, 229, 255, 0.2); }
.icon-wrapper.purple { background: rgba(157, 78, 221, 0.1); color: var(--brand-purple); border: 1px solid rgba(157, 78, 221, 0.2); }
.icon-wrapper.pink { background: rgba(255, 10, 120, 0.1); color: var(--brand-pink); border: 1px solid rgba(255, 10, 120, 0.2); }

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

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

/* Footer */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 4rem 2rem;
  background: rgba(3, 3, 8, 0.9);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

.footer-content .brand {
  margin-left: 0; 
}

.hero-brand .logo-icon {
  height: 350px; 
  max-width: 90vw;
  margin: 0;
  animation: floatEmblem 8s ease-in-out infinite;
  will-change: transform, filter;
}

@keyframes floatEmblem {
  0% {
    transform: translateY(0px) scale(1);
    filter: drop-shadow(0 0 15px rgba(157, 78, 221, 0.3)) drop-shadow(0 0 30px rgba(0, 229, 255, 0.1));
  }
  50% {
    transform: translateY(-20px) scale(1.03);
    filter: drop-shadow(0 0 35px rgba(157, 78, 221, 0.7)) drop-shadow(0 0 70px rgba(255, 10, 120, 0.4));
  }
  100% {
    transform: translateY(0px) scale(1);
    filter: drop-shadow(0 0 15px rgba(157, 78, 221, 0.3)) drop-shadow(0 0 30px rgba(0, 229, 255, 0.1));
  }
}

.footer-links {
  text-align: right;
}

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

.footer-links a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 500;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Mobile Responsiveness */
@media (max-width: 992px) {
  .showcase-row, .showcase-row.reverse {
    flex-direction: column;
    text-align: center;
    gap: 2.5rem;
    margin-bottom: 6rem;
  }
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .footer-content .brand {
    margin-left: 0;
  }

  .footer-links {
    text-align: center;
  }
  .logo-icon {
    height: 80px;
    margin-right: -1rem;
    margin-left: -1rem;
  }

  .hero h1 {
    font-size: 3.2rem;
  }

  .hero {
    padding: 6rem 1rem 3rem;
  }

  .hero-brand .logo-icon {
    height: 250px;
  }
}