body.index {
  overflow-x: hidden;
  background: var(--bg);

  background-attachment: fixed;
}

body.index::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(78,161,255,.20), transparent 60%),
              radial-gradient(900px 500px at 90% 0%, rgba(56,217,150,.12), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

body.index > * {
  position: relative;
  z-index: 1;
}

/* Top Navigation */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 18, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

:root[data-theme="light"] .top-nav {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(15, 23, 42, 0.12);
}

.nav-container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.logo-icon {
  font-size: 24px;
  line-height: 1;
}

.logo-text {
  color: var(--text);
}

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

.btn-nav {
  padding: 9px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-base);
  display: inline-block;
}

.btn-nav:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-1px);
}

.btn-nav.btn-primary {
  border-color: rgba(78, 161, 255, 0.40);
  background: rgba(78, 161, 255, 0.12);
}

.btn-nav.btn-primary:hover {
  background: rgba(78, 161, 255, 0.18);
  border-color: rgba(78, 161, 255, 0.50);
}

:root[data-theme="light"] .btn-nav {
  border: 1px solid rgba(15, 23, 42, 0.14);
  background: rgba(15, 23, 42, 0.04);
}

:root[data-theme="light"] .btn-nav:hover {
  background: rgba(15, 23, 42, 0.07);
  border-color: rgba(15, 23, 42, 0.18);
}

/* Hero Section */
.hero-main {
  padding-top: 80px;
  min-height: 100vh;
}

.hero {
  width: min(var(--max), calc(100% + 32px));
  margin: 0 auto;
  padding: 80px 20px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: calc(50vh - 140px);
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
  animation: fadeSlideUp 0.8s ease-out;
  max-width: 680px;
  align-items: center;
  z-index: 10;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  background: linear-gradient(135deg, rgba(78, 161, 255, 0.12), rgba(56, 217, 150, 0.12));
  border: 1px solid rgba(78, 161, 255, 0.25);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  width: fit-content;
  animation: fadeIn 0.8s ease-out 0.2s backwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.badge-icon {
  font-size: 16px;
}

:root[data-theme="light"] .badge {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(22, 163, 74, 0.12));
  border: 1px solid rgba(37, 99, 235, 0.25);
}

.hero-title {
  font-size: clamp(36px, 5.5vw, 58px);
  font-weight: 800;
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.5px;
  animation: fadeIn 0.8s ease-out 0.3s backwards;
}

.gradient-text {
  background: linear-gradient(135deg, #4ea1ff, #38d996);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

:root[data-theme="light"] .gradient-text {
  background: linear-gradient(135deg, #2563eb, #16a34a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 17px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
  max-width: 560px;
  animation: fadeIn 0.8s ease-out 0.4s backwards;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeIn 0.8s ease-out 0.5s backwards;
}

.btn-hero {
  padding: 14px 28px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.btn-hero-primary {
  background: linear-gradient(135deg, rgba(78, 161, 255, 0.18), rgba(56, 217, 150, 0.12));
  border: 1px solid rgba(78, 161, 255, 0.35);
  color: var(--text);
  box-shadow: 0 8px 24px rgba(78, 161, 255, 0.15);
}

.btn-hero-primary:hover {
  background: linear-gradient(135deg, rgba(78, 161, 255, 0.25), rgba(56, 217, 150, 0.18));
  border-color: rgba(78, 161, 255, 0.45);
  box-shadow: 0 12px 32px rgba(78, 161, 255, 0.25);
  transform: translateY(-2px);
}

.btn-hero-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

:root[data-theme="light"] .btn-hero-primary {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(22, 163, 74, 0.12));
  border: 1px solid rgba(37, 99, 235, 0.35);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
}

:root[data-theme="light"] .btn-hero-primary:hover {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(22, 163, 74, 0.18));
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.25);
}

:root[data-theme="light"] .btn-hero-secondary {
  background: rgba(15, 23, 42, 0.04);
  border: 1px solid rgba(15, 23, 42, 0.14);
}

:root[data-theme="light"] .btn-hero-secondary:hover {
  background: rgba(15, 23, 42, 0.07);
  border-color: rgba(15, 23, 42, 0.18);
}

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn-hero:hover .btn-arrow {
  transform: translateX(4px);
}

.hero-stats {
  display: flex;
  gap: 32px;
  padding-top: 12px;
  animation: fadeIn 0.8s ease-out 0.6s backwards;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

/* Hero Visual Cards */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
  margin-top: 50px;
  animation: fadeIn 1s ease-out 0.4s backwards;
  flex-wrap: wrap;
  max-width: 900px;
}

.visual-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
  width: auto;
  min-width: 240px;
}

:root[data-theme="light"] .visual-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

.visual-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

:root[data-theme="light"] .visual-card:hover {
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.18);
}

.card-1,
.card-2,
.card-3 {
  position: relative;
  top: auto;
  left: auto;
  right: auto;
  bottom: auto;
  transform: none;
}

.card-1 {
  animation: float 4s ease-in-out infinite;
}

.card-2 {
  animation: float 4s ease-in-out 0.5s infinite;
}

.card-3 {
  animation: float 4s ease-in-out 1s infinite;
}

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

.card-icon {
  font-size: 32px;
  line-height: 1;
}

.card-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.card-meta {
  font-size: 12px;
  color: var(--muted);
}

.card-badge {
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.card-badge.ok {
  background: rgba(56, 217, 150, 0.12);
  color: #38d996;
  border: 1px solid rgba(56, 217, 150, 0.25);
}

.card-badge.warning {
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.25);
}

.card-badge.danger {
  background: rgba(255, 90, 106, 0.12);
  color: #ff5a6a;
  border: 1px solid rgba(255, 90, 106, 0.25);
}

:root[data-theme="light"] .card-badge.ok {
  color: #16a34a;
}

:root[data-theme="light"] .card-badge.warning {
  color: #d97706;
}

:root[data-theme="light"] .card-badge.danger {
  color: #dc2626;
}

/* Features Section */
.features {
  width: 100%;
  padding: 120px 0 100px;
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(180deg, transparent, rgba(78, 161, 255, 0.03));
  pointer-events: none;
}

:root[data-theme="light"] .features::before {
  background: linear-gradient(180deg, transparent, rgba(37, 99, 235, 0.03));
}

.features-container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-header h2 {
  font-size: 38px;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -0.3px;
}

.section-header p {
  font-size: 18px;
  color: var(--muted);
  margin: 0;
}

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

.feature-card {
  padding: 32px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

:root[data-theme="light"] .feature-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

:root[data-theme="light"] .feature-card:hover {
  border-color: rgba(15, 23, 42, 0.18);
  background: rgba(255, 255, 255, 1);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.14);
}

.feature-icon {
  font-size: 40px;
  line-height: 1;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text);
}

.feature-card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}

/* CTA Section */
.cta {
  width: 100%;
  padding: 120px 0 100px;
}

.cta-container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.cta-content {
  text-align: center;
  padding: 70px 40px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(78, 161, 255, 0.12), rgba(56, 217, 150, 0.08));
  border: 1px solid rgba(78, 161, 255, 0.25);
  box-shadow: 0 20px 50px rgba(78, 161, 255, 0.15);
}

:root[data-theme="light"] .cta-content {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(22, 163, 74, 0.08));
  border: 1px solid rgba(37, 99, 235, 0.25);
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.15);
}

.cta-content h2 {
  font-size: 42px;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -0.3px;
}

.cta-content p {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 36px;
}

.cta-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-cta {
  padding: 16px 32px;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.btn-cta-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(78, 161, 255, 0.3);
}

.btn-cta-primary:hover {
  box-shadow: 0 14px 40px rgba(78, 161, 255, 0.4);
  transform: translateY(-2px);
}

.btn-cta-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text);
}

.btn-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.20);
  transform: translateY(-2px);
}

:root[data-theme="light"] .btn-cta-primary {
  background: var(--accent);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

:root[data-theme="light"] .btn-cta-primary:hover {
  box-shadow: 0 14px 40px rgba(37, 99, 235, 0.4);
}

:root[data-theme="light"] .btn-cta-secondary {
  background: rgba(15, 23, 42, 0.05);
  border: 1px solid rgba(15, 23, 42, 0.14);
}

:root[data-theme="light"] .btn-cta-secondary:hover {
  background: rgba(15, 23, 42, 0.08);
  border-color: rgba(15, 23, 42, 0.20);
}

/* Footer */
.index-footer {
  width: 100%;
  padding: 50px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.15);
}

:root[data-theme="light"] .index-footer {
  border-top: 1px solid rgba(15, 23, 42, 0.12);
  background: rgba(15, 23, 42, 0.02);
}

.footer-container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-tagline {
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.footer-right {
  color: var(--muted);
  font-size: 13px;
}

/* Responsive Design */
@media (max-width: 900px) {
  .hero {
    padding: 70px 16px 50px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-visual {
    flex-direction: column;
    gap: 16px;
    margin-top: 40px;
    width: 100%;
  }

  .card-1 {
    left: 50%;
    transform: translateX(-50%);
  }

  .visual-card {
    width: 100%;
    max-width: 340px;
  }

  .hero-title {
    font-size: 38px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .cta-content h2 {
    font-size: 32px;
  }

  .footer-container {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .nav-container {
    padding: 12px 0;
  }

  .logo-text {
    display: none;
  }

  .hero {
    padding: 50px 12px 40px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-hero {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-visual {
    margin-top: 32px;
  }

  .visual-card {
    width: 100%;
  }
  }

  .section-header h2 {
    font-size: 28px;
  }

  .cta-content {
    padding: 40px 24px;
  }

  .cta-content h2 {
    font-size: 26px;
  }

  .cta-content p {
    font-size: 16px;
  }

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-cta {
    width: 100%;
    justify-content: center;
  }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .visual-card:hover {
    transform: none;
  }

  .feature-card:hover {
    transform: none;
  }
}