/* Import AOS CSS for animations */
@import url('https://unpkg.com/aos@2.3.1/dist/aos.css');

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-dark);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-small);
  margin-bottom: var(--space-2);
}

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

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

img {
  max-width: 100%;
  height: auto;
}

/* Section Spacing */
section {
  padding: var(--space-5) 0;
}

.section-header {
  margin-bottom: var(--space-4);
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--color-dark);
  margin-bottom: var(--space-1);
}

.section-header p {
  font-size: 1.25rem;
  color: var(--color-dark-gray);
}

/* Button Overrides */
.btn {
  padding: 0.75rem 1.5rem;
  font-weight: var(--font-weight-bold);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
}

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

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

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

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

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

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

/* Navigation */
.navbar {
  padding: 1rem 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

.navbar-brand {
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
}

.vista-logo {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.nav-link {
  color: var(--color-dark);
  font-weight: var(--font-weight-regular);
  padding: 0.5rem 1rem !important;
  transition: color var(--transition-fast);
}

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

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: var(--space-5) 0 var(--space-3);
}

.footer h4 {
  color: var(--color-white);
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

.footer-brand {
  margin-bottom: var(--space-2);
}

.footer-brand .vista-logo {
  font-size: 1.75rem;
  color: var(--color-white);
}

.footer-links {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--color-light-gray);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-newsletter .form-control {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
}

.footer-newsletter .form-control::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
}

.footer-social a {
  color: var(--color-light-gray);
  font-size: 1.25rem;
  margin-left: 1rem;
  transition: color var(--transition-fast);
}

.footer-social a:hover {
  color: var(--color-white);
}

.social-links a {
  display: inline-block;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border-radius: 50%;
  margin-right: 0.5rem;
  text-align: center;
  line-height: 40px;
  transition: all var(--transition-normal);
}

.social-links a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}