:root {
  --color-black: #141414;
  --color-near-white: #f5f4f2;
  --color-text: #202020;
  --color-accent: #b89968;
  --color-border: #e8e8e8;
  --color-hover: #333333;

  --font-sans: system-ui, -apple-system, "Segoe UI", "Helvetica Neue", sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-near-white);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
}

/* Header & Hero */
header {
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
  background-color: white;
  border-bottom: 1px solid var(--color-border);
}

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

h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
}

.hero-subtitle {
  font-size: 1.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
  font-weight: 500;
}

.hero-summary {
  font-size: 0.95rem;
  color: var(--color-text);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Navigation */
nav.spot-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  background-color: white;
  border-bottom: 1px solid var(--color-border);
}

.spot-nav a {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.spot-nav a:hover,
.spot-nav a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  outline: none;
}

/* Main Content */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

/* Map Section */
section.map-section {
  margin-bottom: var(--spacing-2xl);
}

.map-controls {
  display: flex;
  justify-content: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
}

.map-control-label {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
}

.map-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.map-toggle input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--color-accent);
}

#map {
  width: 100%;
  height: 500px;
  border: 1px solid var(--color-border);
  background-color: #f0f0f0;
}

@media (max-width: 768px) {
  #map {
    height: 350px;
  }
}

/* Leaflet Customization */
.leaflet-control-attribution {
  font-size: 10px;
}

/* Marker Styling */
.spot-marker {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-black);
  color: var(--color-near-white);
  font-weight: bold;
  font-size: 14px;
  border: 2px solid var(--color-text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.leaflet-popup-content-wrapper {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.leaflet-popup-content {
  margin: var(--spacing-sm);
}

.leaflet-popup-content h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
}

.leaflet-popup-content p {
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.leaflet-popup-content button {
  margin-top: var(--spacing-sm);
}

/* Locations Section */
section.locations-section {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.locations-title {
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-black);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.locations-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 1px;
  background-color: var(--color-accent);
}

.locations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-2xl);
}

@media (max-width: 768px) {
  .locations-grid {
    grid-template-columns: 1fr;
  }
}

/* Location Card */
.location-card {
  background-color: white;
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  transition: box-shadow 0.2s;
}

.location-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.location-card:focus-within {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.card-header {
  margin-bottom: var(--spacing-lg);
}

.card-spot-number {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  color: var(--color-black);
}

.card-image {
  width: 100%;
  height: auto;
  margin-bottom: var(--spacing-lg);
  cursor: pointer;
  transition: opacity 0.2s;
}

.card-image:hover {
  opacity: 0.9;
}

.card-section {
  margin-bottom: var(--spacing-lg);
}

.card-section-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.card-section-content {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
}

.card-section-content ul {
  list-style: none;
  padding-left: 0;
}

.card-section-content li {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  position: relative;
}

.card-section-content li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.coordinates-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .coordinates-row {
    grid-template-columns: 1fr;
  }
}

.coord-block {
  background-color: #fafafa;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.coord-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.coord-value {
  display: block;
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
  color: var(--color-text);
  word-break: break-all;
}

.card-status {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: #f0f0f0;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
}

.card-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

button {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--color-text);
  background-color: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 2px;
}

button:hover,
button:focus-visible {
  background-color: var(--color-text);
  color: white;
  outline: none;
}

button.secondary {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

button.secondary:hover,
button.secondary:focus-visible {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* Wikiloc Section */
.wikiloc-section {
  background-color: #fafafa;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.wikiloc-search-terms {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.wikiloc-term {
  font-size: 0.85rem;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: white;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 2px;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-image {
  width: 100%;
  height: auto;
}

.lightbox-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  width: auto;
  padding: 0;
  transition: opacity 0.2s;
}

.lightbox-close:hover {
  opacity: 0.8;
}

/* Footer */
footer {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  background-color: white;
  font-size: 0.85rem;
  color: #666;
}

footer a {
  color: var(--color-text);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
  color: var(--color-accent);
}

/* Utility Classes */
.hidden {
  display: none;
}

a {
  color: var(--color-text);
  text-decoration: underline;
  transition: color 0.2s;
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
  outline: none;
}