:root {
  --primary-color: #0d6efd;
  --primary-dark: #0b5ed7;
  --secondary-color: #6c757d;
  --success-color: #198754;
  --info-color: #0dcaf0;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --light-color: #f8f9fa;
  --dark-color: #212529;
  --body-bg: #f8f9fa;
  --body-color: #212529;
  --border-radius: 0.375rem;
  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
  --font-family: 'Poppins', sans-serif;
}

/* Base Styles */
body {
  font-family: var(--font-family);
  background-color: var(--body-bg);
  color: var(--body-color);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  transition: var(--transition);
}

/* Navbar Styles */
.navbar {
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 1px;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
}

.navbar-dark .navbar-nav .nav-link.btn {
  padding: 0.5rem 1.25rem;
  margin-left: 0.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
}

/* Hero Section */
.hero-section {
  position: relative;
  background-attachment: fixed;
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.8), rgba(11, 94, 215, 0.8));
  z-index: 1;
}

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

.hero-section h1 {
  font-weight: 800;
  margin-bottom: 1.5rem;
  font-size: 3.5rem;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-section p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-section .btn {
  padding: 0.75rem 2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

/* Section Styles */
section {
  padding: 5rem 0;
}

section h2 {
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

section h2:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 50px;
  height: 3px;
  background-color: var(--primary-color);
}

/* Card Styles */
.card {
  border: none;
  transition: var(--transition);
  border-radius: 10px;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow);
}

/* Modality Cards */
.card .card-body {
  padding: 1.5rem;
}

.card .rounded-circle {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.card:hover .rounded-circle {
  transform: scale(1.1);
}

/* Plan Cards */
.plan-card {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.plan-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.plan-card.featured {
  transform: scale(1.05);
  border: none;
  position: relative;
}

.plan-card.featured:hover {
  transform: scale(1.05) translateY(-10px);
}

.plan-card.featured::before {
  content: 'MAIS POPULAR';
  position: absolute;
  top: 15px;
  right: -30px;
  background-color: var(--warning-color);
  color: var(--dark-color);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 5px 30px;
  transform: rotate(45deg);
  z-index: 1;
}

.plan-header {
  padding: 2rem;
  text-align: center;
  background-color: var(--primary-color);
  color: white;
}

.featured .plan-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 1rem 0;
}

.plan-price small {
  font-size: 1rem;
  font-weight: 400;
}

.plan-body {
  padding: 2rem;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.plan-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
}

.plan-features li i {
  color: var(--success-color);
  margin-right: 0.75rem;
}

.plan-btn {
  display: block;
  padding: 0.75rem;
  text-align: center;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.featured .plan-btn {
  background-color: var(--primary-color);
  color: white;
}

.featured .plan-btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
}

/* Contact Section */
.contact-form .form-control {
  padding: 0.75rem 1.25rem;
  border-radius: var(--border-radius);
  border: 1px solid rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

.contact-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.contact-form .btn {
  padding: 0.75rem 2rem;
  font-weight: 600;
}

/* Footer */
footer {
  background-color: var(--dark-color);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 2rem;
}

footer h5 {
  color: white;
  font-weight: 600;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

footer h5:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 30px;
  height: 2px;
  background-color: var(--primary-color);
}

footer p {
  margin-bottom: 0.5rem;
}

footer .social-icons {
  margin-top: 1.5rem;
}

footer .social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  margin-right: 0.5rem;
  transition: var(--transition);
}

footer .social-icons a:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Responsive */
@media (max-width: 991.98px) {
  .navbar-nav {
    padding: 1rem 0;
  }
  
  .navbar-dark .navbar-nav .nav-link.btn {
    margin: 0.5rem 0;
    display: inline-block;
  }
  
  .hero-section h1 {
    font-size: 2.5rem;
  }
  
  .plan-card.featured {
    transform: none;
    margin: 2rem 0;
  }
  
  .plan-card.featured:hover {
    transform: translateY(-10px);
  }
}

@media (max-width: 767.98px) {
  section {
    padding: 3rem 0;
  }
  
  .hero-section {
    padding: 4rem 0;
  }
  
  .hero-section h1 {
    font-size: 2rem;
  }
  
  .hero-section p {
    font-size: 1rem;
  }
}