:root {
  --bg: #0b0d12;
  --bg-soft: #111525;
  --card: #141a2b;
  --primary: #4cc3ff;
  --primary-dark: #1f9fe0;
  --accent: #7bffb2;
  --text: #e7ecf5;
  --muted: #a3b0c2;
  --warning: #ffd166;
  --border: #26304a;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --focus-ring: 0 0 0 3px rgba(76, 195, 255, 0.5);
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Reduced motion preference */
@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;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border: #4a5568;
    --muted: #d1d5db;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), outline var(--transition-fast);
}

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Improved link visibility in content */
main a:not(.button):not(.nav-cta):not(.card-link) {
  text-decoration: underline;
  text-decoration-color: var(--primary);
  text-underline-offset: 3px;
}

main a:not(.button):hover {
  color: var(--primary);
}

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary);
  color: #0b0d12;
  padding: 12px 20px;
  border-radius: 8px;
  z-index: 9999;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* Visible focus for interactive elements */
button:focus-visible,
.button:focus-visible,
.nav-cta:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.topbar {
  background: #0f1320;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 10px 0;
}

.topbar a {
  color: var(--accent);
  font-weight: 600;
}

.header {
  background: linear-gradient(120deg, rgba(76, 195, 255, 0.12), rgba(123, 255, 178, 0.08));
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
}

.logo {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
}

.logo span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-weight: 600;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--text);
}

.nav-cta {
  background: var(--primary);
  color: #04111d;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.hero {
  padding: 80px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 18px;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.button:hover {
  transform: translateY(-2px);
}

.button:active {
  transform: translateY(0);
}

.button.primary {
  background: var(--primary);
  color: #04111d;
}

.button.primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 8px 25px rgba(76, 195, 255, 0.3);
}

.button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.button.secondary:hover {
  background: rgba(76, 195, 255, 0.1);
  border-color: var(--primary);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  border-color: rgba(76, 195, 255, 0.3);
}

.card-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.card-link:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.section {
  padding: 70px 0;
}

.section h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.4rem);
  margin-bottom: 18px;
}

.section p.lead {
  color: var(--muted);
  max-width: 800px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
  margin-top: 24px;
}

.icon {
  width: 44px;
  height: 44px;
  background: rgba(76, 195, 255, 0.1);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(123, 255, 178, 0.1);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.list li {
  list-style: none;
  padding-left: 28px;
  position: relative;
  color: var(--muted);
}

.list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.callout {
  background: linear-gradient(120deg, rgba(76, 195, 255, 0.2), rgba(123, 255, 178, 0.15));
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid rgba(123, 255, 178, 0.25);
}

.badge {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 209, 102, 0.15);
  color: var(--warning);
  font-weight: 600;
}

.footer {
  background: #0c0f19;
  border-top: 1px solid var(--border);
  padding: 50px 0 30px;
  color: var(--muted);
}

.footer-map {
  margin-bottom: 30px;
  text-align: center;
}

.footer-map h4 {
  margin-bottom: 16px;
  color: var(--text);
}

.footer-map iframe {
  max-width: 100%;
  box-shadow: var(--shadow);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  margin-bottom: 28px;
}

.footer a {
  color: var(--text);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}

.footer address {
  font-style: normal;
}

.social-links li {
  transition: transform var(--transition-fast);
}

.social-links li:hover {
  transform: translateX(4px);
}

.footer small {
  color: var(--muted);
}

.form {
  display: grid;
  gap: 12px;
}

.form input,
.form textarea,
.form select {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0f1320;
  color: var(--text);
}

.form button {
  cursor: pointer;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table th,
.table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
}

.notice {
  padding: 14px 18px;
  background: rgba(76, 195, 255, 0.08);
  border: 1px solid rgba(76, 195, 255, 0.3);
  border-radius: 12px;
  color: var(--muted);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.blog-card h3 {
  margin-bottom: 10px;
}

.blog-card p {
  color: var(--muted);
}

@media (max-width: 780px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
  }

  .nav-toggle:hover {
    background: rgba(76, 195, 255, 0.1);
    border-color: var(--primary);
  }

  .nav.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background: #0f1320;
    padding: 14px;
    border-radius: 14px;
    position: absolute;
    right: 4%;
    top: 70px;
    z-index: 100;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    animation: slideDown 0.2s ease-out;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 781px) {
  .nav-toggle {
    display: none;
  }
}

/* Scroll animations */
.animate-target {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Print styles for better UX */
@media print {
  .header,
  .footer,
  .nav-toggle,
  .hero-actions,
  .skip-link {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .card {
    border: 1px solid #ccc;
    background: white;
    box-shadow: none;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}

/* Loading states */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(11, 13, 18, 0.8);
  display: grid;
  place-items: center;
}

/* Form accessibility improvements */
.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--focus-ring);
}

.form input:invalid:not(:placeholder-shown),
.form textarea:invalid:not(:placeholder-shown) {
  border-color: #ff6b6b;
}

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