:root {
  --primary: #0d6efd;
  --primary-dark: #0a58ca;
  --primary-light: #e7f1ff;
  --primary-gradient: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
  --bg-soft: #f8f9fa;
  --text-dark: #1a1a2e;
  --text-secondary: #6c757d;
  --shadow-sm: 0 2px 12px rgba(13, 110, 253, 0.08);
  --shadow-md: 0 8px 30px rgba(13, 110, 253, 0.12);
  --shadow-lg: 0 15px 50px rgba(13, 110, 253, 0.15);
  --radius: 20px;
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}


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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text-dark);
  background: #ffffff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-primary {
  color: var(--primary) !important;
}

.bg-primary-soft {
  background: var(--primary-light);
}

.bg-gradient-soft {
  background: linear-gradient(135deg, #f8f9fa 0%, #e7f1ff 100%);
}


.glass-nav {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(13, 110, 253, 0.08);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.04);
  padding: 12px 0;
  transition: var(--transition);
}

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

.glass-nav .navbar-brand i {
  font-size: 1.8rem;
}

.glass-nav .nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 18px !important;
  border-radius: 50px;
  transition: var(--transition);
  position: relative;
}

.glass-nav .nav-link:hover {
  color: var(--primary);
  background: rgba(13, 110, 253, 0.06);
}

.glass-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: var(--transition);
  transform: translateX(-50%);
  border-radius: 10px;
}

.glass-nav .nav-link:hover::after {
  width: 60%;
}

.glass-nav .btn-primary {
  background: var(--primary-gradient);
  border: none;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.glass-nav .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}


.hero-section {
  min-height: 100vh;
  padding: 120px 0 80px;
  background: linear-gradient(160deg, #ffffff 0%, #f8f9fa 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(13, 110, 253, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(13, 110, 253, 0.03) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-text {
  position: relative;
  z-index: 2;
}

.hero-text .badge {
  background: var(--primary-light);
  color: var(--primary) !important;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.3px;
}

.hero-text h1 {
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  line-height: 1.1;
}

.hero-text h1 .text-primary {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text .lead {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.hero-text .btn-primary {
  background: var(--primary-gradient);
  border: none;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 10px 30px rgba(13, 110, 253, 0.25);
}

.hero-text .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(13, 110, 253, 0.35);
}

.hero-text .btn-outline-primary {
  border-width: 2px;
  font-weight: 600;
  transition: var(--transition);
}

.hero-text .btn-outline-primary:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.hero-text .d-flex.gap-4 {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.hero-text .d-flex.gap-4 i {
  color: var(--primary);
}

.hero-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  max-height: 550px;
  object-fit: cover;
  width: 100%;
}

.hero-img:hover {
  transform: scale(1.02);
  box-shadow: 0 25px 60px rgba(13, 110, 253, 0.2);
}


#features {
  padding: 80px 0;
  background: #ffffff;
}

#features .display-5 {
  font-weight: 800;
}

.feature-card {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card .card {
  background: #ffffff;
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid rgba(13, 110, 253, 0.05);
}

.feature-card .card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 110, 253, 0.15);
}

.icon-bg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: var(--primary-light);
  border-radius: 18px;
  transition: var(--transition);
  margin: 0 auto;
}

.feature-card .card:hover .icon-bg {
  background: var(--primary-gradient);
  transform: scale(1.05) rotate(-3deg);
}

.feature-card .card:hover .icon-bg i {
  color: white !important;
}

.feature-card .card i {
  transition: var(--transition);
}

.feature-card .card h5 {
  font-size: 1.15rem;
  margin-top: 1rem;
}

.feature-card .card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}


#community {
  padding: 80px 0;
}

#community img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-height: 450px;
  object-fit: cover;
  width: 100%;
  transition: var(--transition);
}

#community img:hover {
  transform: scale(1.02);
}

#community .badge {
  background: white !important;
  color: var(--primary) !important;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

#community .display-6 {
  font-weight: 800;
}

#community .btn-primary {
  background: var(--primary-gradient);
  border: none;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(13, 110, 253, 0.2);
  transition: var(--transition);
}

#community .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(13, 110, 253, 0.3);
}


#testimonials {
  padding: 80px 0;
  background: #fafbff;
}

.testimonial-card {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.testimonial-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.testimonial-card .card {
  border-radius: var(--radius);
  transition: var(--transition);
  border: 1px solid rgba(13, 110, 253, 0.04);
  background: white;
}

.testimonial-card .card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 110, 253, 0.08);
}

.testimonial-card .card p {
  font-size: 0.98rem;
  line-height: 1.6;
}

.testimonial-card .text-warning i {
  font-size: 0.9rem;
  margin-right: 2px;
}


#contact {
  padding: 80px 0;
}

#contact .form-control {
  border: 2px solid rgba(13, 110, 253, 0.1);
  padding: 14px 24px;
  font-size: 1rem;
  transition: var(--transition);
}

#contact .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.1);
}

#contact .btn-primary {
  background: var(--primary-gradient);
  border: none;
  font-weight: 600;
  padding: 14px 40px;
  transition: var(--transition);
}

#contact .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}


footer {
  background: #ffffff;
  border-top: 1px solid rgba(13, 110, 253, 0.06) !important;
}

footer a {
  transition: var(--transition);
  font-size: 1.2rem;
}

footer a:hover {
  color: var(--primary) !important;
  transform: translateY(-2px);
}


#backToTop {
  background: var(--primary-gradient);
  border: none;
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
  display: none;
  align-items: center;
  justify-content: center;
}

#backToTop:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 35px rgba(13, 110, 253, 0.4);
}

#backToTop i {
  color: white;
  font-size: 1.4rem;
}


@media (max-width: 991.98px) {
  .hero-section {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .hero-text h1 {
    font-size: 2.8rem;
  }

  .hero-img {
    max-height: 400px;
  }

  .glass-nav .navbar-nav {
    padding-top: 12px;
  }

  .glass-nav .nav-link {
    padding: 8px 12px !important;
  }

  .glass-nav .btn-primary {
    margin-top: 8px;
  }
}

@media (max-width: 767.98px) {
  .hero-section {
    padding: 90px 0 40px;
    text-align: center;
  }

  .hero-text h1 {
    font-size: 2.2rem;
  }

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

  .hero-text .d-flex.gap-4 {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero-text .d-flex.flex-wrap.gap-3 {
    justify-content: center;
  }

  .hero-img {
    max-height: 300px;
    margin-top: 20px;
  }

  .feature-card .card {
    padding: 1.5rem !important;
  }

  #community {
    text-align: center;
  }

  #community img {
    max-height: 280px;
  }

  #contact .input-group {
    flex-direction: column;
    gap: 12px;
  }

  #contact .form-control {
    border-radius: 50px !important;
  }

  #contact .btn-primary {
    border-radius: 50px !important;
    width: 100%;
  }

  #backToTop {
    width: 44px;
    height: 44px;
    bottom: 20px;
    right: 20px;
  }

  #backToTop i {
    font-size: 1.2rem;
  }
}

@media (max-width: 575.98px) {
  .hero-text h1 {
    font-size: 1.9rem;
  }

  .hero-text .btn-lg {
    font-size: 0.95rem;
    padding: 12px 28px !important;
  }

  .feature-card .card i {
    font-size: 1.8rem !important;
  }

  .icon-bg {
    width: 60px;
    height: 60px;
  }
}


@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}


::selection {
  background: var(--primary);
  color: white;
}


::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-gradient);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}