/* Base and theme */
:root {
  --bg: #0f172a;           /* slate-900 */
  --bg-soft: #111827;      /* gray-900 */
  --panel: #111827;
  --text: #e5e7eb;         /* gray-200 */
  --muted: #cbd5e1;        /* slate-300 */
  --primary: #60a5fa;      /* blue-400 */
  --primary-700: #1d4ed8;  /* blue-700 */
  --accent: #7dd3fc;       /* sky-300 */
  --border: #1f2937;       /* gray-800 */
  --success: #22c55e;
  --focus: #f59e0b;        /* amber-500 */
}

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

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: linear-gradient(180deg, var(--bg) 0%, #0b1220 100%);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  line-height: 1.6;
}

/* Web font pairing */
h1, h2, h3 {
  font-family: Lora, Georgia, serif;
}

/* Accessibility: visible skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: -999px;
  background: #fff;
  color: #000;
  padding: 0.5rem 0.75rem;
  border-radius: 0.25rem;
}
.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
  z-index: 1000;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(6px);
}
.header-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem 1rem;
}
.logo {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min-content;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.logo img {
  width: 40px;
  height: 40px;
}
.logo .brand {
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
}

/* Contact mini block */
.contact-mini {
  display: grid;
  gap: 0.125rem;
  font-size: 0.95rem;
}
.contact-mini a {
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}
.contact-mini a:hover {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: var(--primary);
}

/* Navigation */
.main-nav {
  border-top: 1px solid var(--border);
  padding: 0.25rem 1rem;
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.6rem;
  border-radius: 0.375rem;
  gap: 4px;
}
.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  margin: 2px 0;
}
.nav-toggle-label {
  position: absolute;
  left: -9999px;
}

.nav-list {
  list-style: none;
  display: grid;
  grid-auto-flow: column;
  gap: 1rem;
  padding: 0.5rem 0;
  margin: 0;
}
.nav-list a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  transition: color 180ms ease, background-color 180ms ease;
}
.nav-list a:hover {
  color: #fff;
  background: #0b1325;
}
.nav-list a.active {
  color: #fff;
  background: #0b1325;
  outline: 1px solid var(--border);
}

/* Main layout */
.main-content {
  display: grid;
  gap: 2rem;
  padding: 1.5rem 1rem 2rem;
}

/* Hero section */
.hero {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 1.5rem;
  align-items: center;
}
.hero-content h1 {
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  margin: 0 0 0.5rem;
}
.hero-content p {
  color: var(--muted);
  margin: 0 0 1rem;
}
.hero-actions {
  display: grid;
  grid-auto-flow: column;
  gap: 0.75rem;
  width: max-content;
}

/* Buttons with subtle transitions */
.btn {
  display: inline-block;
  text-decoration: none;
  padding: 0.7rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid transparent;
  transition: transform 120ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}
.btn-primary {
  background: var(--primary);
  color: #081121;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(96, 165, 250, 0.25);
}
.btn-secondary {
  background: #16213a;
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(17, 24, 39, 0.4);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: #0b1325;
}

/* Hero image */
.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

/* Feature grid (CSS Grid) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}
.card h2 {
  margin-top: 0;
  font-size: 1.3rem;
}
.card p {
  color: var(--muted);
}
.text-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}
.text-link:hover {
  color: #c0eaff;
  text-decoration: underline;
  text-decoration-color: var(--accent);
}

/* About teaser */
.about-teaser {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
  align-items: center;
}
.teaser-content h2 {
  margin: 0 0 0.5rem;
  font-size: 1.8rem;
}
.teaser-content p {
  color: var(--muted);
  margin: 0 0 0.75rem;
}
.teaser-image img {
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
}

/* Location section */
.location {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1rem;
  align-items: start;
}
.location-content h2 {
  margin: 0 0 0.5rem;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: grid;
  gap: 0.35rem;
}
.social-links {
  display: grid;
  grid-auto-flow: column;
  gap: 0.75rem;
  width: max-content;
}
.social-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.social-link:hover {
  color: #fff;
  border-color: var(--accent);
}

/* Map iframe */
.map-embed iframe {
  width: 100%;
  min-height: 280px;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 1rem;
  background: #0b1325;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  align-items: start;
}
.footer-brand .brand {
  font-weight: 700;
}
.footer-contact p,
.site-footer a {
  color: var(--muted);
}
.site-footer a:hover {
  color: #fff;
}
.copyright {
  margin-top: 0.75rem;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

/* Focus outline for accessibility */
a:focus,
button:focus {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Responsive: 640 and less (mobile layout) */
@media (max-width: 640px) {
  .header-top {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .nav-toggle {
    display: inline-grid;
    grid-auto-flow: row;
    align-items: center;
    gap: 0.15rem;
    margin-top: 0.5rem;
  }

  .nav-list {
    display: none;
    grid-auto-flow: row;
    gap: 0.25rem;
    padding: 0.5rem 0;
  }
  .nav-list.open {
    display: grid;
  }

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

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

  .about-teaser {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

/* Responsive: 641+ (default desktop/tablet) */
@media (min-width: 641px) {
  /* Additional desktop refinements if needed */
}