/* ==========================================
   HEALTHCARE WEBSITE - CLEAN CORPORATE STYLE
   Color Palette: Blue-based professional theme
   ========================================== */

/* ===== CSS VARIABLES ===== */
:root {
  /* Core Brand Colors */
  --primary-blue: #2C5F7C;
  --secondary-blue: #4A90A4;
  --footer-blue: #1A3A4A;
  --light-blue-100: #F8FAFC;
  --light-blue-200: #F1F5F9;
  
  /* Neutrals */
  --white: #FFFFFF;
  --light-gray: #F8FAFC;
  --medium-gray: #E2E8F0;
  --dark-gray: #64748B;
  --text-dark: #334155;
  --text-medium: #475569;
  --text-light: #94A3B8;
  
  /* Status Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  
  /* Typography */
  --font-primary: 'Inter', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: 'Source Sans Pro', 'Inter', sans-serif;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--white);
  color: var(--text-dark);
  font-weight: 400;
  overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--space-md);
  color: var(--text-dark);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-medium);
  line-height: 1.7;
}

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

a:hover {
  color: var(--secondary-blue);
}

a:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ===== LAYOUT COMPONENTS ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-alt {
  background-color: var(--light-blue-100);
}

.section-dark {
  background-color: var(--footer-blue);
  color: var(--white);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(-1 * var(--space-md));
}

.col {
  padding: 0 var(--space-md);
}

/* ===== HEADER STYLES ===== */
.header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
}

.logo {
  font-family: var(--font-secondary);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-blue);
  text-decoration: none;
}

.logo:hover {
  color: var(--secondary-blue);
}

/* Navigation */
.nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav li {
  margin-left: var(--space-xl);
}

.nav a {
  font-weight: 500;
  color: var(--text-dark);
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary-blue);
  transition: width var(--transition-fast);
}

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

.nav a:hover::after {
  width: 100%;
}

.nav a.active {
  color: var(--primary-blue);
}

.nav a.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.mobile-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-dark);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1;
}

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

.btn-primary:hover {
  background-color: var(--secondary-blue);
  border-color: var(--secondary-blue);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background-color: var(--primary-blue);
  color: var(--white);
}

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

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

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1rem;
}

/* ===== CARDS ===== */
.card {
  background-color: var(--white);
  border: 1px solid var(--medium-gray);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  border-bottom: 1px solid var(--medium-gray);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--space-sm);
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-bottom: 0;
}

.card-body {
  margin-bottom: var(--space-lg);
}

.card-footer {
  border-top: 1px solid var(--medium-gray);
  padding-top: var(--space-md);
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--text-dark);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--medium-gray);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(44, 95, 124, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== HERO SECTION ===== */
.hero {
  background: linear-gradient(135deg, var(--light-blue-100) 0%, var(--white) 100%);
  padding: var(--space-3xl) 0;
  text-align: center;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
  color: var(--text-dark);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-medium);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== GRID SYSTEM ===== */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-blue); }
.text-secondary { color: var(--secondary-blue); }
.text-dark { color: var(--text-dark); }
.text-medium { color: var(--text-medium); }
.text-light { color: var(--text-light); }

.bg-primary { background-color: var(--primary-blue); }
.bg-secondary { background-color: var(--secondary-blue); }
.bg-light { background-color: var(--light-gray); }
.bg-white { background-color: var(--white); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

/* ===== FOOTER ===== */
.footer {
  background-color: var(--footer-blue);
  color: var(--white);
  padding: var(--space-3xl) 0 var(--space-xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--space-lg);
}

.footer-section p,
.footer-section li {
  color: rgba(255, 255, 255, 0.8);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--space-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--space-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    padding: var(--space-md);
  }
  
  .nav.active {
    display: flex;
  }
  
  .nav li {
    margin: 0 0 var(--space-md) 0;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-2xl) 0;
  }
  
  .hero {
    padding: var(--space-2xl) 0;
  }
  
  .card {
    padding: var(--space-lg);
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ===== ANIMATIONS & INTERACTIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Focus visible for better keyboard navigation */
.btn:focus-visible,
.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .btn {
    display: none;
  }
  
  .section {
    padding: var(--space-lg) 0;
  }
  
  .card {
    border: 1px solid var(--medium-gray);
    box-shadow: none;
    break-inside: avoid;
  }
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}