/* ==========================================
   BASE / RESET STYLES
   ========================================== */

/* CSS Variables for easy rebranding */
:root {
  /* Brand Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1e40af;
  --color-secondary: #64748b;
  --color-accent: #f59e0b;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-background: #ffffff;
  --color-background-alt: #f9fafb;
  --color-border: #e5e7eb;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Layout */
  --max-width: 1200px;
  --border-radius: 0.5rem;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Georgia', serif;
  
  /* Transitions */
  --transition-speed: 0.3s;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
}

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

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

a:hover,
a:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Focus styles for accessibility */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to main content link for accessibility */
.skip-to-main {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-sm);
  text-decoration: none;
  z-index: 100;
  clip: rect(0, 0, 0, 0);
  overflow: hidden;
}

.skip-to-main:focus {
  top: 0;
  clip: auto;
  width: auto;
  height: auto;
}

.skip-to-main:focus {
  top: 0;
}

/* ==========================================
   LAYOUT / CONTAINERS
   ========================================== */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

/* Responsive grid columns - tablet */
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Responsive grid columns - desktop */
@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Flexbox utilities */
.flex {
  display: flex;
  gap: var(--spacing-md);
}

.flex-center {
  justify-content: center;
  align-items: center;
}

.flex-between {
  justify-content: space-between;
  align-items: center;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  font-weight: 700;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

/* Responsive typography */
@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.75rem;
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.25rem;
  }
}

p {
  margin-bottom: var(--spacing-md);
}

.text-center {
  text-align: center;
}

.text-large {
  font-size: 1.125rem;
}

.text-small {
  font-size: 0.875rem;
}

.text-muted {
  color: var(--color-text-light);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

.site-header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.site-logo:hover {
  text-decoration: none;
  color: var(--color-primary-dark);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: block;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
  padding: var(--spacing-xs);
}

/* Navigation */
.main-nav {
  width: 100%;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.main-nav.active {
  max-height: 500px;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0;
}

.nav-list a {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-speed);
}

.nav-list a:hover,
.nav-list a:focus {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-list a.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

/* Desktop navigation */
@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
  
  .main-nav {
    width: auto;
    max-height: none;
    overflow: visible;
  }
  
  .nav-list {
    flex-direction: row;
    gap: var(--spacing-lg);
    padding: 0;
  }
}

/* ==========================================
   REUSABLE COMPONENTS
   ========================================== */

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-speed);
  line-height: 1.5;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary-dark);
  color: white;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: #475569;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

/* White outline button for hero sections */
.btn-outline-white {
  background-color: transparent;
  border: 2px solid white;
  color: white;
}

.btn-outline-white:hover,
.btn-outline-white:focus {
  background-color: white;
  color: var(--color-primary);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-outline:hover,
.btn-outline:focus {
  background-color: var(--color-primary);
  color: white;
  text-decoration: none;
}

/* Cards */
.card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.card-image {
  margin: calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg)) var(--spacing-md);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  overflow: hidden;

  aspect-ratio: 4 / 3; /* or 16 / 9 */
}
.card-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.card-title {
  margin-bottom: var(--spacing-sm);
}

.card-text {
  margin-bottom: var(--spacing-md);
}

/* Team section only */
#team .card-image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

#team .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#team .image-up-1 {
  object-position: center 30%;
}

#team .image-up-2 {
  object-position: center 0%;
}

#team .image-up-3 {
  object-position: center 25%;
}


/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm);
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-error {
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.hero h1 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

/* Feature boxes */
.feature {
  text-align: center;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

/* ==========================================
   FOOTER
   ========================================== */

.site-footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

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

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

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================
   PAGE-SPECIFIC STYLES
   ========================================== */

/* Home page */
.home-intro {
  padding: var(--spacing-xl) 0;
}

/* About page */
.about-content {
  display: grid;
  gap: var(--spacing-lg);
  align-items: center;
}

@media (min-width: 768px) {
  .about-content {
    grid-template-columns: 1fr 1fr;
  }
}

.about-image {
  border-radius: var(--border-radius);
  overflow: hidden;
}

/* Services page */
.service-card {
  height: 100%;
}

.about-content ul {
  padding-left: 1.25rem;
}

/* Contact page */
.contact-info {
  background-color: var(--color-background-alt);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
}

.contact-info-item {
  display: flex;
  align-items: start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.map-container {
  width: 100%;
  height: 400px;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}


/* ==========================================
   UTILITY CLASSES
   ========================================== */

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

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

.pt-sm { padding-top: var(--spacing-sm); }
.pt-md { padding-top: var(--spacing-md); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }

.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-md { padding-bottom: var(--spacing-md); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Print styles */
@media print {
  .site-header,
  .site-footer,
  .mobile-menu-toggle,
  .btn {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
  }
  
  a {
    text-decoration: underline;
    color: #000;
  }
}