:root {
  --primary: #2563eb;
  --dark: #111827;
  --white: #ffffff;
  --light: #f8fafc;
  --text: #374151;
  --border: #e5e7eb;
  --shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--primary);
}

.navbar {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
}

.navbar-brand {
  letter-spacing: -0.02em;
}

.nav-link {
  font-weight: 500;
  color: var(--dark);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  border: none;
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.18);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.22);
}

.btn-outline-primary {
  border-color: #bfdbfe;
  color: var(--primary);
}

.btn-sm-rounded {
  border-radius: 999px;
  padding-inline: 1.1rem;
}

.hero-section,
.page-hero {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.hero-card,
.about-card,
.service-card,
.feature-card,
.pricing-card,
.contact-card,
.contact-form {
  border-radius: 1.5rem;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hero-card:hover,
.about-card:hover,
.service-card:hover,
.feature-card:hover,
.pricing-card:hover,
.contact-card:hover,
.contact-form:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(15, 23, 42, 0.1);
}

.hero-card {
  padding: 1.25rem;
  border: 1px solid var(--border);
}

.feature-card,
.service-card,
.pricing-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.12);
  color: var(--primary);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.section-heading {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--dark);
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  transform: translateY(-8px);
}

.price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 0.5rem;
}

.payment-pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.9rem 1rem;
  text-align: center;
  font-weight: 600;
  color: var(--dark);
  background: var(--white);
}

.footer {
  background: var(--light);
}

.footer-links a {
  color: var(--text);
  display: inline-block;
  margin-bottom: 0.4rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 991px) {
  .hero-section,
  .page-hero {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }
}

@media (max-width: 767px) {
  .display-4,
  .display-5 {
    font-size: 2.25rem;
  }

  .btn-lg {
    width: 100%;
  }

  .hero-section,
  .page-hero {
    padding-top: 2.25rem;
    padding-bottom: 2.25rem;
  }
}