:root {
  color-scheme: light;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --color-background: #ecf4f0;
  --color-surface: #ffffff;
  --color-surface-soft: rgba(255, 255, 255, 0.9);
  --color-border: rgba(15, 61, 46, 0.16);
  --color-border-strong: rgba(15, 61, 46, 0.28);
  --color-text: #123528;
  --color-muted: rgba(18, 53, 40, 0.74);
  --color-accent: #146b4d;
  --color-accent-soft: rgba(20, 107, 77, 0.12);
  --color-success: #198754;
  --color-danger: #b73a3a;
  --shadow-soft: 0 24px 46px rgba(14, 52, 39, 0.12);
  --shadow-card: 0 18px 38px rgba(14, 52, 39, 0.14);
  --radius-base: 16px;
  --radius-card: 18px;
  --max-width: 1200px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 40px;
  --space-8: 56px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(36% 40% at 15% 0%, rgba(20, 107, 77, 0.12), transparent 75%),
    radial-gradient(40% 45% at 85% -10%, rgba(73, 130, 101, 0.14), transparent 70%),
    var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
}

.motion-fade-up {
  opacity: 0;
  transform: translateY(28px);
  animation: motionFadeUp 0.9s cubic-bezier(0.32, 0.72, 0, 1) forwards;
  animation-delay: var(--motion-delay, 0s);
  will-change: opacity, transform;
}

@keyframes motionFadeUp {
  0% {
    opacity: 0;
    transform: translateY(28px);
  }
  60% {
    opacity: 1;
    transform: translateY(-2px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

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

a:hover,
a:focus {
  text-decoration: underline;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 600;
  line-height: 1.2;
}

p {
  margin: 0;
}

.container {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(236, 244, 240, 0.92);
  border-bottom: 1px solid rgba(15, 61, 46, 0.08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  gap: var(--space-5);
}

.site-logo {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-weight: 600;
}

.site-nav__contact {
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--color-accent);
  color: #f4fbf7;
}

.hero {
  padding: var(--space-7) 0 var(--space-6);
}

.hero__inner {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: minmax(0, 1.3fr) minmax(220px, 1fr);
  align-items: start;
}

.hero__content {
  display: grid;
  gap: var(--space-4);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(20, 107, 77, 0.12);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__lead {
  color: var(--color-muted);
  max-width: 640px;
}

.hero__highlights {
  margin: 0;
  padding-left: 18px;
  color: var(--color-muted);
  display: grid;
  gap: var(--space-2);
}

.hero__cta {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.hero__metrics {
  display: grid;
  gap: var(--space-4);
}

.metric-card {
  padding: var(--space-4);
  border-radius: var(--radius-card);
  background: linear-gradient(150deg, rgba(20, 107, 77, 0.12), rgba(20, 107, 77, 0.05));
  border: 1px solid rgba(20, 107, 77, 0.16);
  display: grid;
  gap: var(--space-1);
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.metric-card__value {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
}

.metric-card__label {
  font-size: 0.9rem;
  color: rgba(18, 53, 40, 0.7);
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 48px rgba(14, 52, 39, 0.18);
}

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.primary-btn {
  background: var(--color-accent);
  color: #f4fbf7;
  box-shadow: 0 16px 34px rgba(20, 107, 77, 0.24);
}

.primary-btn:hover,
.primary-btn:focus {
  transform: translateY(-1px);
  box-shadow: 0 20px 40px rgba(20, 107, 77, 0.28);
}

.ghost-btn {
  background: rgba(20, 107, 77, 0.08);
  color: var(--color-accent);
  border-color: rgba(20, 107, 77, 0.18);
}

.ghost-btn:hover,
.ghost-btn:focus {
  background: rgba(20, 107, 77, 0.16);
}

.ghost-btn--small {
  padding: 6px 14px;
  font-size: 0.9rem;
}

.page {
  padding: 0 0 var(--space-8);
}

.page__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: var(--space-6);
}

.content-stack,
.sidebar-stack {
  display: grid;
  gap: var(--space-6);
}

.sidebar-stack {
  position: relative;
}

.panel {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: var(--space-4);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.panel-subtext {
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: 0.95rem;
}

.panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 60px rgba(14, 52, 39, 0.18);
  border-color: rgba(20, 107, 77, 0.24);
}

.search-form {
  display: grid;
  gap: var(--space-4);
}

.search-field {
  display: grid;
  gap: var(--space-3);
}

.search-field input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 1rem;
}

.search-field input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}

.search-field button {
  justify-self: flex-start;
}

.form-label {
  font-weight: 600;
}

.search-form select {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  min-height: 140px;
  padding: 12px;
  background: var(--color-surface-soft);
  font-size: 0.95rem;
}

.form-hint,
.form-tip,
.form-status {
  font-size: 0.85rem;
  color: var(--color-muted);
}

.toggle-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  background: rgba(20, 107, 77, 0.05);
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.switch:hover,
.switch:focus-within {
  border-color: var(--color-border-strong);
  background: rgba(20, 107, 77, 0.12);
}

.switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.switch-indicator {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: 999px;
  background: rgba(20, 107, 77, 0.2);
  transition: background 0.2s ease;
}

.switch-indicator::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(14, 52, 39, 0.24);
  transition: transform 0.2s ease;
}

.switch input:checked + .switch-indicator {
  background: var(--color-accent);
}

.switch input:checked + .switch-indicator::after {
  transform: translateX(18px);
}

.switch-label {
  flex: 1;
}

.results-panel {
  gap: var(--space-5);
}

.results-counter {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(20, 107, 77, 0.08);
  color: var(--color-accent);
  font-weight: 600;
}

.results-guide {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.guide-item {
  background: rgba(20, 107, 77, 0.08);
  border-radius: 14px;
  padding: var(--space-4);
  display: grid;
  gap: var(--space-2);
  color: var(--color-muted);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: var(--space-4);
}

.dataset-card,
.result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
  position: relative;
  box-shadow: 0 14px 32px rgba(14, 52, 39, 0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.dataset-card a,
.result-card a {
  font-weight: 600;
  color: var(--color-accent);
}

.dataset-card a:hover,
.dataset-card a:focus,
.result-card a:hover,
.result-card a:focus {
  text-decoration: underline;
}

.dataset-card:hover,
.result-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 55px rgba(14, 52, 39, 0.2);
  border-color: rgba(20, 107, 77, 0.22);
}

.cost-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cost-badge[data-cost="free"] {
  background: var(--color-success);
  color: #f6fff9;
}

.cost-badge[data-cost="paid"] {
  background: var(--color-danger);
  color: #fff4f4;
}

.results-empty {
  padding: var(--space-4);
  border-radius: 14px;
  border: 1px dashed var(--color-border-strong);
  background: rgba(20, 107, 77, 0.06);
  text-align: center;
  color: var(--color-muted);
}

.guidance-list {
  display: grid;
  gap: var(--space-3);
  padding-left: 20px;
  margin: 0;
  color: var(--color-muted);
}

.checklist-meta {
  color: var(--color-muted);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(20, 107, 77, 0.08);
  font-weight: 600;
  width: fit-content;
}

.checklist {
  display: grid;
  gap: var(--space-4);
}

.checklist-section {
  border: 1px solid rgba(20, 107, 77, 0.16);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(20, 107, 77, 0.14), rgba(20, 107, 77, 0.05));
  padding: 0;
  overflow: hidden;
  box-shadow: 0 16px 28px rgba(14, 52, 39, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.checklist-section:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px rgba(14, 52, 39, 0.14);
}

.checklist-summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(4px);
}

.checklist-summary::-webkit-details-marker {
  display: none;
}

.checklist-summary h3 {
  margin: 0;
  font-size: 1.05rem;
}

.checklist-summary p {
  margin-top: var(--space-2);
  font-size: 0.9rem;
  color: var(--color-muted);
}

.checklist-progress {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
}

.checklist-body {
  padding: 0 var(--space-5) var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.checklist-items {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(20, 107, 77, 0.14);
}

.checklist-item input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
}

.checklist-item span {
  font-size: 0.95rem;
  color: var(--color-text);
}

.assistant-messages {
  background: rgba(20, 107, 77, 0.06);
  border-radius: 14px;
  padding: var(--space-4);
  color: var(--color-muted);
}

.assistant-roadmap {
  margin: 0;
  padding-left: 20px;
  color: var(--color-muted);
  display: grid;
  gap: var(--space-2);
}

.sidebar-stack {
  position: sticky;
  top: calc(var(--space-6) + 64px);
  height: fit-content;
}

.map-panel {
  gap: var(--space-4);
}

.map-panel {
  display: none;
}

.map-offscreen-wrapper {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.map-offscreen {
  width: 320px;
  height: 320px;
}

.leaflet-container {
  width: 100%;
  height: 100%;
  font-family: inherit;
}

.reference-list {
  margin: 0;
  padding-left: 20px;
  color: var(--color-muted);
  display: grid;
  gap: var(--space-2);
}

.site-footer {
  padding: var(--space-6) 0 var(--space-6);
  background: rgba(20, 107, 77, 0.06);
  border-top: 1px solid rgba(15, 61, 46, 0.1);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-3);
  text-align: center;
  color: var(--color-muted);
}

.footer-links {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
}

.fun-fact {
  padding: var(--space-7) 0 var(--space-6);
  background: linear-gradient(135deg, rgba(20, 107, 77, 0.12), rgba(33, 104, 79, 0.08));
  border-top: 1px solid rgba(20, 107, 77, 0.14);
  border-bottom: 1px solid rgba(20, 107, 77, 0.1);
}

.fun-fact__inner {
  display: grid;
  gap: var(--space-3);
  max-width: 760px;
  text-align: center;
  margin: 0 auto;
  color: rgba(18, 53, 40, 0.82);
}

.fun-fact__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(18, 53, 40, 0.12);
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.fun-fact h2 {
  font-size: clamp(1.6rem, 3.4vw, 2rem);
}

.fun-fact__badge {
  animation: badgePulse 7s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% {
    transform: translateY(0);
    box-shadow: 0 0 0 rgba(20, 107, 77, 0);
  }
  50% {
    transform: translateY(-4px);
    box-shadow: 0 18px 24px rgba(20, 107, 77, 0.18);
  }
}

.desktop-only {
  display: block;
}

.mobile-only {
  display: none;
}

.hidden {
  display: none !important;
}

.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;
}

@media (max-width: 1080px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }

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

  .sidebar-stack {
    position: static;
  }
}

@media (max-width: 900px) {
  .container {
    width: calc(100% - 32px);
  }

  .hero__metrics {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

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

  #map {
    height: 280px;
  }

  .panel,
  .dataset-card,
  .result-card {
    border-radius: 14px;
    padding: var(--space-4);
  }

  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: block;
  }
}

@media (max-width: 640px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

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

@media (max-width: 420px) {
  body {
    font-size: 15px;
  }

  #map {
    height: 220px;
  }

  .hero__cta {
    width: 100%;
  }

  .hero__cta > * {
    flex: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .motion-fade-up {
    opacity: 1 !important;
    transform: none !important;
  }

  .fun-fact__badge {
    animation: none;
  }
}
.checklist-label {
  display: grid;
  gap: var(--space-2);
}

.checklist-count,
.checklist-progress {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
}