/* Reset and Base Variables */
:root {
  --color-bg: #f4f7f9;
  --color-surface: #ffffff;
  --color-text: #2c3e50;
  --color-text-muted: #596b7d;
  --color-accent: #3498db;
  --color-accent-hover: #2980b9;
  --color-border: #e2e8f0;
  --color-error: #e74c3c;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  
  --shadow-micro: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.08);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-40: 40px;
  --space-64: 64px;
  
  --header-height: 64px;
}

@media (max-width: 768px) {
  :root {
    --header-height: 52px;
  }
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6, .brand-name {
  font-weight: 700;
  line-height: 1.2;
  overflow-wrap: anywhere;
  color: var(--color-text);
}

h1 { font-size: 2.5rem; margin-bottom: var(--space-24); }
h2 { font-size: 2rem; margin-bottom: var(--space-24); margin-top: var(--space-40); }
h3 { font-size: 1.5rem; margin-bottom: var(--space-16); margin-top: var(--space-24); }

p { margin-bottom: var(--space-16); }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}

ul, ol {
  margin-bottom: var(--space-16);
  padding-left: var(--space-24);
}

li {
  margin-bottom: var(--space-8);
}

.brand-name {
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.brand-name svg {
  width: 24px;
  height: 24px;
  fill: var(--color-accent);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-24);
  min-width: 0;
}

.section {
  padding: var(--space-64) 0;
}

main {
  flex: 1;
  padding-top: var(--header-height);
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-40);
  min-width: 0;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.nav-desktop {
  display: flex;
  gap: var(--space-24);
  align-items: center;
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
}

.nav-link:hover {
  color: var(--color-accent);
}

.btn {
  display: inline-block;
  padding: var(--space-8) var(--space-24);
  background-color: var(--color-accent);
  color: var(--color-surface);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-surface);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-bg);
  color: var(--color-text);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-8);
}

.hamburger svg {
  width: 24px;
  height: 24px;
  fill: var(--color-text);
}

.nav-mobile-overlay {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-surface);
  z-index: 90;
  padding: var(--space-24);
  flex-direction: column;
  gap: var(--space-24);
  overflow-y: auto;
}

.nav-mobile-overlay.is-visible {
  display: flex;
}

@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }
  .hamburger {
    display: block;
  }
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 80px 0 var(--space-64) 0;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto var(--space-24) auto;
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-40) auto;
}

/* Card Style 4: Border Accent */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-micro);
  border-top: 4px solid var(--color-accent);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
  min-width: 0;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-content {
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-12);
}

.card-title a {
  color: var(--color-text);
}

.card-title a::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.card-excerpt {
  color: var(--color-text-muted);
  margin-bottom: var(--space-24);
  flex: 1;
}

.card-cta {
  font-weight: 600;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

/* Article Content Formatting */
.article-header {
  margin-bottom: var(--space-40);
}
.article-header h1 {
  margin-bottom: var(--space-16);
}
.article-meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-24);
}
.article-featured-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-40);
}

.content-body {
  max-width: 800px;
  margin: 0 auto;
}

.content-body h2 {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-8);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin-bottom: var(--space-24);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}
th, td {
  padding: var(--space-12) var(--space-16);
  border: 1px solid var(--color-border);
  text-align: left;
}
th {
  background-color: var(--color-bg);
  font-weight: 600;
}

/* Contact Form & Map */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-40);
  }
}

.form-group {
  margin-bottom: var(--space-24);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-8);
}

.form-control {
  width: 100%;
  padding: var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  background-color: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-control.is-invalid {
  border-color: var(--color-error);
}

.error-message {
  display: none;
  color: var(--color-error);
  font-size: 0.85rem;
  margin-top: var(--space-4);
}

.is-invalid + .error-message {
  display: block;
}

.static-map {
  width: 100%;
  height: 300px;
  background: var(--color-border) repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(255,255,255,0.5) 10px,
    rgba(255,255,255,0.5) 20px
  );
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-top: var(--space-24);
}

/* Footer */
.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-64) 0 var(--space-24) 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-40);
  margin-bottom: var(--space-40);
}

.footer-heading {
  font-size: 1.1rem;
  margin-bottom: var(--space-16);
}

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

.footer-links li {
  margin-bottom: var(--space-8);
}

.footer-links a {
  color: var(--color-text-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-24);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  padding: var(--space-24);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-content {
  flex: 1;
}

.cookie-actions {
  display: flex;
  gap: var(--space-12);
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .cookie-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}