:root {
  --bg-main: #FAFAFB;
  --bg-card: #FFFFFF;
  --text-dark: #121826;
  --text-muted: #64748B;
  --accent: #0284C7; /* Sky blue tone for spatial/map elements */
  --accent-light: #E0F2FE;
  --border-color: #E2E8F0;
  --gold: #D8A643;   /* boundary line accent, matches survey-line tone */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.02), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.025);
  --radius: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.6;
  padding: 2rem 1rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Hero Header */
header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 0 0;
}
.badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
  text-transform: uppercase;
}
h1 {
  font-size: 2.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text-dark);
}
header p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto;
}

/* ---------- HERO MOCK PANEL ---------- */
.mock-section {
  margin-bottom: 5rem;
  text-align: center;
}
.mock {
  display: inline-block;
  max-width: 100%;
  margin: 0 auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
}
.mock-image {
  display: block;
  width: 550px;
  height: auto;
  max-width: 100%;
}
.mock-caption {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 640px;
  margin: 1.25rem auto 0;
}

/* Section Styling */
section {
  margin-bottom: 5rem;
}
.section-title {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 2rem;
  text-align: center;
}

/* Samples Grid */
.sample-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}
.sample-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
  color: inherit;
}
.sample-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.thumbnail-wrapper {
  position: relative;
  width: 100%;
  height: 200px;
  background-color: #cbd5e1;
  display: flex;
}
.thumb-video {
  width: 50%;
  height: 100%;
  background-size: cover;
  background-position: center;
  position: relative;
}
.thumb-map {
  width: 50%;
  height: 100%;
  background-size: cover;
  background-position: center;
  border-left: 2px solid white;
}
.thumb-combined {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}
.overlay-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(18, 24, 38, 0.75);
  backdrop-filter: blur(4px);
  color: white;
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-weight: 500;
}
.card-body {
  padding: 1.5rem;
}
.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Features Grid (Categorized) */
.features-category {
  margin-bottom: 3rem;
}
.category-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}
.category-header h3 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-dark);
}
.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}
.icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.icon-wrapper svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}
/* Modifier for icons that need more than a single 24x24 glyph
   (the paired fullscreen icons, and the mini Recenter pill) */
.icon-wrapper--auto {
  width: auto;
  min-width: 48px;
  padding: 0 0.6rem;
  gap: 0.4rem;
}
.icon-wrapper--auto svg {
  width: 20px;
  height: 20px;
}
.mini-pill {
  background: #FFFFFF;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.feature-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 0 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border-color);
}
footer p { margin-bottom: 0.35rem; }