/* Base Styles */
:root {
  --primary-color: #1a73e8; /* Color azul de NubeClinic */
  --primary-dark: #0d65d9;
  --secondary-color: #4a90e2;
  --text-color: #333333;
  --light-gray: #f8f9fa;
  --medium-gray: #e9ecef;
  --dark-gray: #6c757d;
  --border-color: #dee2e6;
  --white: #ffffff;
  --black: #000000;
  --success: #28a745;
  --danger: #dc3545;
  --warning: #ffc107;
  --info: #17a2b8;
}

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s;
}

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

/* Button Styles */
.btn {
  font-weight: 500;
  padding: 0.5rem 1.5rem;
  border-radius: 0.25rem;
  transition: all 0.3s;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

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

.btn-outline-primary:hover, .btn-outline-primary:focus {
  background-color: var(--primary-color);
  color: var(--white);
}

/* Navbar */
.navbar {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 0.75rem 0;
}

.navbar-brand img {
  height: 40px;
}

.navbar .btn {
  padding: 0.375rem 1rem;
}

.dropdown-menu {
  border: none;
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Hero Section */
.hero-section {
  background-color: var(--white);
  padding: 4rem 0;
}

.main-heading {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.highlight {
  color: var(--primary-color);
}

.sub-heading {
  font-size: 1.1rem;
  color: var(--dark-gray);
  margin-bottom: 2rem;
}

.signup-form {
  margin-bottom: 1rem;
}

.privacy-notice {
  color: var(--dark-gray);
  font-size: 0.8rem;
}

/* Features Section */
.features-section {
  padding: 4rem 0;
}

.section-title {
  font-weight: 700;
  margin-bottom: 2rem;
}

.feature-card {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  height: 100%;
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Testimonials Section */
.testimonials-section {
  background-color: var(--light-gray);
}

.testimonial-card {
  background-color: var(--white);
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  height: 100%;
}

.testimonial-content {
  margin-bottom: 1.5rem;
  position: relative;
}

.testimonial-content p {
  font-style: italic;
}

.testimonial-content p::before,
.testimonial-content p::after {
  content: '"';
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: bold;
}

.testimonial-author h5 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.testimonial-author p {
  color: var(--dark-gray);
  margin-bottom: 0;
}

/* CTA Section */
.cta-section {
  background-color: var(--white);
  padding: 4rem 0;
}

/* Footer */
footer {
  background-color: #2c3e50;
  color: var(--white);
  padding: 4rem 0 2rem;
}

footer a {
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.3s;
}

footer a:hover {
  opacity: 0.8;
  color: var(--white);
}

footer h5 {
  font-weight: 600;
  margin-bottom: 1.5rem;
}

footer ul li {
  margin-bottom: 0.75rem;
}

.social-links a {
  display: inline-block;
  width: 32px;
  height: 32px;
  text-align: center;
  line-height: 32px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  margin-right: 0.5rem;
  transition: background-color 0.3s;
}

.social-links a:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Login & Register Pages */
.card {
  border: none;
  border-radius: 0.5rem;
}

.form-control {
  padding: 0.75rem 1rem;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(26, 115, 232, 0.25);
}

.invalid-feedback {
  font-size: 80%;
}

.social-login .btn {
  text-align: center;
  padding: 0.75rem;
}

.profile-preview {
  border: 1px solid var(--border-color);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .main-heading {
      font-size: 2rem;
  }
  
  .hero-section {
      padding: 3rem 0;
  }
  
  .signup-form .form-group {
      width: 100%;
      margin-right: 0;
  }
}

@media (max-width: 576px) {
  .main-heading {
      font-size: 1.75rem;
  }
  
  .hero-section {
      padding: 2rem 0;
  }
}