:root {
  --primary: #0D6EFD;
  --primary-dark: #0a58ca;
  --bg-light: #f8f9fa;
  --text-dark: #1a1a2e;
  --text-secondary: #6c757d;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --shadow-sm: 0 8px 30px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 16px 48px rgba(13, 110, 253, 0.12);
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --border-radius: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #ffffff;
  color: var(--text-dark);
  overflow-x: hidden;
  padding-top: 76px;
}


.glass-nav {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  padding: 12px 0;
  transition: var(--transition);
}

.glass-nav .navbar-brand {
  color: var(--text-dark);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}

.glass-nav .navbar-brand i {
  color: var(--primary);
}

.glass-nav .nav-link {
  color: var(--text-dark) !important;
  font-weight: 500;
  padding: 8px 18px !important;
  border-radius: 50px;
  transition: var(--transition);
}

.glass-nav .nav-link:hover {
  background: rgba(13, 110, 253, 0.08);
  color: var(--primary) !important;
}

.glass-nav .btn-outline-light {
  color: var(--text-dark);
  border-color: #d0d7de;
  font-weight: 500;
  transition: var(--transition);
}

.glass-nav .btn-outline-light:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}


.hero-section {
  min-height: calc(100vh - 76px);
  padding: 60px 0;
  background: linear-gradient(135deg, #f5f9ff 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(13, 110, 253, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary), #6f42c1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-section .display-3 {
  font-weight: 800;
  letter-spacing: -1.5px;
}

.hero-section .btn-primary {
  background: var(--primary);
  border: none;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(13, 110, 253, 0.25);
}

.hero-section .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(13, 110, 253, 0.35);
  background: var(--primary-dark);
}

.hero-section .btn-outline-secondary {
  border-color: #d0d7de;
  color: var(--text-dark);
  font-weight: 600;
  transition: var(--transition);
}

.hero-section .btn-outline-secondary:hover {
  border-color: var(--text-dark);
  background: var(--text-dark);
  color: #fff;
  transform: translateY(-3px);
}


.feature-card {
  border-radius: var(--border-radius) !important;
  transition: var(--transition);
  background: #fff !important;
  border: 1px solid rgba(0, 0, 0, 0.02) !important;
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #6f42c1);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover) !important;
  border-color: rgba(13, 110, 253, 0.1) !important;
}

.feature-card:hover::after {
  opacity: 1;
}

.icon-box {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 110, 253, 0.06);
  border-radius: 16px;
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}

.feature-card:hover .icon-box {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05) rotate(-3deg);
}

.feature-card h5 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}


section {
  padding: 80px 0;
}

.bg-light {
  background: var(--bg-light) !important;
}

.badge {
  font-weight: 500;
  letter-spacing: 0.3px;
}


#testimonials .card {
  border-radius: var(--border-radius) !important;
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.02) !important;
}

#testimonials .card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover) !important;
}

#testimonials .card .text-warning i {
  font-size: 14px;
  letter-spacing: 2px;
}


#contact {
  background: linear-gradient(135deg, #0a1628 0%, #1a1a2e 100%) !important;
  border-radius: 0;
}

#contact .btn-primary {
  background: var(--primary);
  border: none;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(13, 110, 253, 0.3);
}

#contact .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 40px rgba(13, 110, 253, 0.45);
  background: #0b5ed7;
}


.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 22px;
  box-shadow: 0 8px 24px rgba(13, 110, 253, 0.3);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(13, 110, 253, 0.45);
}


.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}


@media (max-width: 991.98px) {
  .hero-section {
    min-height: auto;
    padding: 40px 0;
  }

  .hero-section .display-3 {
    font-size: 2.8rem;
  }

  .glass-nav .navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 20px;
    margin-top: 12px;
    box-shadow: var(--shadow-sm);
  }

  .glass-nav .btn-outline-light {
    margin-top: 8px;
    display: inline-block;
  }
}

@media (max-width: 767.98px) {
  section {
    padding: 60px 0;
  }

  .hero-section .display-3 {
    font-size: 2.2rem;
  }

  .hero-section .d-flex.gap-3 {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-section .btn {
    width: 100%;
    text-align: center;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .feature-card {
    padding: 24px !important;
  }
}

@media (max-width: 575.98px) {
  .hero-section .display-3 {
    font-size: 1.8rem;
  }

  .hero-section .lead {
    font-size: 1rem;
  }

  .hero-section .d-flex.gap-4 {
    gap: 12px !important;
  }
}