* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

:root {
  --primary-glow: #6366f1;
  --secondary-glow: #ec4899;
  --accent-cyan: #06b6d4;
  --bg-dark: #07090e;
  --card-bg: rgba(17, 24, 39, 0.7);
  --border-glass: rgba(255, 255, 255, 0.08);
}

body {
  background-color: var(--bg-dark);
  color: #f3f4f6;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav-container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  font-size: 24px;
}

.brand-name {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: #9ca3af;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: #ffffff;
}

.github-link {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  padding: 8px 16px;
  border-radius: 12px;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all 0.2s ease;
}

.github-link:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

/* Hero Section */
.hero {
  padding: 160px 24px 80px;
  text-align: center;
  background: radial-gradient(circle at 50% 15%, rgba(99, 102, 241, 0.22) 0%, rgba(236, 72, 153, 0.08) 35%, transparent 70%);
}

.hero-container {
  max-width: 880px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #c7d2fe;
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 22px;
  letter-spacing: -1.5px;
  font-family: 'Outfit', sans-serif;
}

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, #c084fc 50%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: #9ca3af;
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero-subtitle strong {
  color: #e0e7ff;
}

kbd {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 13px;
  color: #f3f4f6;
  font-family: monospace;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* Trust Bar */
.trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.trust-item {
  font-size: 13px;
  font-weight: 600;
  color: #9ca3af;
  background: rgba(255, 255, 255, 0.03);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s ease;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: #e0e7ff;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* Section Containers */
.section-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: -0.8px;
  font-family: 'Outfit', sans-serif;
}

.section-subtitle {
  font-size: 16px;
  color: #9ca3af;
  text-align: center;
  max-width: 620px;
  margin: 0 auto 56px;
}

/* Interactive Demo HUD */
.demo-section {
  padding: 60px 24px 90px;
}

.demo-window-container {
  max-width: 760px;
  margin: 0 auto;
}

.demo-window {
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 22px;
  backdrop-filter: blur(28px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(99, 102, 241, 0.18);
  overflow: hidden;
  transition: all 0.3s ease;
}

.demo-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.demo-brand {
  font-size: 14px;
  font-weight: 700;
  color: #e0e7ff;
}

.demo-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.demo-ctrl-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e5e7eb;
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.demo-ctrl-btn:hover {
  background: rgba(99, 102, 241, 0.3);
  border-color: rgba(99, 102, 241, 0.5);
}

.demo-tabs {
  display: flex;
  gap: 6px;
  padding: 12px 18px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  overflow-x: auto;
}

.demo-tab {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #9ca3af;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.demo-tab.active, .demo-tab:hover {
  background: rgba(99, 102, 241, 0.25);
  border-color: rgba(99, 102, 241, 0.45);
  color: #ffffff;
}

.demo-viewport {
  padding: 24px;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.demo-chat-msg {
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 14px;
  max-width: 90%;
  line-height: 1.5;
}

.user-msg {
  align-self: flex-end;
  background: rgba(99, 102, 241, 0.25);
  border: 1px solid rgba(99, 102, 241, 0.35);
  color: #e0e7ff;
}

.ai-msg {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #d1d5db;
}

.msg-author {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 4px;
  color: #a5b4fc;
}

.demo-prompt-bar {
  display: flex;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.demo-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 10px 16px;
  border-radius: 10px;
  color: #ffffff;
  font-size: 13px;
  outline: none;
}

.demo-send-btn {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.demo-send-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

/* Deep-Dive Capabilities Showcase */
.deep-dive-section {
  padding: 90px 24px;
  background: rgba(0, 0, 0, 0.2);
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 28px;
}

.showcase-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 36px 32px;
  backdrop-filter: blur(16px);
  transition: all 0.3s ease;
}

.showcase-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.showcase-badge {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #c084fc;
  margin-bottom: 12px;
}

.showcase-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
  font-family: 'Outfit', sans-serif;
  color: #f3f4f6;
}

.showcase-card p {
  color: #9ca3af;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 22px;
}

.provider-pill-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.provider-pill {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #c7d2fe;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.feature-tag-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.feature-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #d1d5db;
  padding: 5px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
}

/* Features Grid */
.features-section {
  padding: 90px 24px;
}

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

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  padding: 32px 28px;
  border-radius: 20px;
  backdrop-filter: blur(16px);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.card-icon {
  font-size: 32px;
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: #f3f4f6;
}

.feature-card p {
  color: #9ca3af;
  font-size: 14px;
  line-height: 1.6;
}

/* Pricing Section */
.pricing-section {
  padding: 90px 24px;
  background: rgba(0, 0, 0, 0.2);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border-color: rgba(99, 102, 241, 0.6);
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.14) 0%, rgba(17, 24, 39, 0.9) 100%);
  box-shadow: 0 16px 40px rgba(99, 102, 241, 0.25);
  transform: scale(1.03);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #6366f1, #d946ef);
  color: white;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.plan-name {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
}

.plan-price {
  font-size: 44px;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 6px;
}

.plan-price span {
  font-size: 16px;
  font-weight: 500;
  color: #9ca3af;
}

.plan-subprice {
  font-size: 13px;
  color: #a5b4fc;
  margin-bottom: 14px;
  font-weight: 600;
}

.plan-desc {
  font-size: 14px;
  color: #9ca3af;
  margin-bottom: 24px;
  min-height: 42px;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.plan-features li {
  font-size: 14px;
  color: #d1d5db;
  line-height: 1.4;
}

.plan-features li.disabled {
  color: #6b7280;
}

/* Download Section */
.download-section {
  padding: 80px 24px;
}

.download-box {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  border-radius: 28px;
  padding: 48px 40px;
}

.download-box h2 {
  font-size: 32px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 10px;
  font-family: 'Outfit', sans-serif;
}

.download-box > p {
  text-align: center;
  color: #9ca3af;
  margin-bottom: 40px;
}

.download-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.option-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.option-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.option-icon {
  font-size: 24px;
}

.option-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.os-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.os-tag {
  background: rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  color: #c7d2fe;
}

.option-card p {
  color: #9ca3af;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.download-steps {
  margin-bottom: 24px;
  font-size: 13px;
  color: #9ca3af;
  padding-left: 18px;
  line-height: 1.6;
}

/* FAQ Section */
.faq-section {
  padding: 80px 24px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.faq-card {
  background: var(--card-bg);
  border: 1px solid var(--border-glass);
  padding: 28px;
  border-radius: 18px;
}

.faq-card h4 {
  font-size: 17px;
  font-weight: 700;
  color: #f3f4f6;
  margin-bottom: 10px;
}

.faq-card p {
  color: #9ca3af;
  font-size: 14px;
  line-height: 1.6;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 40px 24px;
  background: rgba(0, 0, 0, 0.4);
}

.footer-container {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: #9ca3af;
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 36px;
  }
  .pricing-card.featured {
    transform: none;
  }
  .showcase-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}