:root {
  --bg-dark: #0a0e17;
  --bg-card: #111827;
  --bg-card-hover: #1f293d;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --primary: #38bdf8;
  --primary-glow: rgba(56, 189, 248, 0.25);
  --accent: #818cf8;
  --accent-glow: rgba(129, 140, 248, 0.25);
  --success: #34d399;
  --danger: #f87171;
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(56, 189, 248, 0.5);
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography & Utilities */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-center {
  text-align: center;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-size: 1.25rem;
  font-weight: 700;
}

.logo-img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.badge-next {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 9999px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(129, 140, 248, 0.2));
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all 0.2s;
}

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

.nav-btn-highlight {
  color: var(--primary) !important;
  font-weight: 600 !important;
}

.nav-github {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.nav-github:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff !important;
}

/* Hero Section */
.hero {
  padding: 90px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, rgba(129, 140, 248, 0.06) 40%, transparent 70%);
  filter: blur(50px);
  z-index: -1;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(56, 189, 248, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(56, 189, 248, 0); }
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 8px 24px var(--primary-glow);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1 0%, #1d4ed8 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(56, 189, 248, 0.4);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-version-badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.2);
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 32px;
  max-width: 820px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--border);
}

/* Release Section */
.release-section {
  padding: 30px 0;
}

.release-card {
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.95), rgba(30, 41, 59, 0.95));
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.release-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.release-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--success);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
  padding: 3px 8px;
  border-radius: 6px;
  margin-bottom: 8px;
}

.release-name {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.release-meta {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.btn-download-lg {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #fff;
  padding: 14px 26px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
  transition: all 0.25s ease;
}

.btn-download-lg:hover {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.45);
}

.btn-main-label {
  display: block;
  font-size: 1.05rem;
}

.release-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.feature-pill {
  font-size: 0.82rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 8px;
  color: var(--text-main);
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-title {
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

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

/* Comparison Section */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.comp-card.enhanced {
  border-color: rgba(56, 189, 248, 0.4);
  background: linear-gradient(135deg, #111827 0%, #1e293b 100%);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.comp-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.comp-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.badge-sub {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.badge-pro {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: linear-gradient(135deg, #0284c7, #2563eb);
  color: #fff;
  font-weight: 700;
}

.comp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comp-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.comp-card.enhanced .comp-list li {
  color: var(--text-main);
}

.icon-check {
  color: var(--success);
  font-weight: 800;
}

.icon-cross {
  color: var(--danger);
  font-weight: 800;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.25s ease;
}

.feature-box:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  transform: translateY(-4px);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(129, 140, 248, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-box p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.feature-box code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--primary);
}

/* Terminal Window */
.terminal-window {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  max-width: 860px;
  margin: 0 auto;
}

.terminal-topbar {
  background: #161b22;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.terminal-content {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
  color: #c9d1d9;
}

.term-prompt {
  color: var(--primary);
  font-weight: 600;
}

.term-ascii {
  margin: 12px 0;
  color: #58a6ff;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  white-space: pre;
  overflow-x: auto;
}

.term-highlight { color: #f0883e; font-weight: bold; }
.term-info { color: #79c0ff; }
.term-success { color: #56d364; }
.term-dim { color: #8b949e; }
.term-cursor { animation: blink 1s infinite; font-weight: bold; color: var(--primary); }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Steps Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  position: relative;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #000;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.step-card code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.82em;
  color: var(--primary);
}

.step-card a {
  color: var(--primary);
  text-decoration: none;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 50px 0;
  background: rgba(10, 14, 23, 0.95);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  flex-wrap: wrap;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.footer-left p {
  margin-bottom: 6px;
}

.footer-left a {
  color: var(--primary);
  text-decoration: none;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.1rem;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .release-header {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-download-lg {
    justify-content: center;
  }
}