:root { --survey: #ffca58; --aerospace: #8edcff; }

.dot-survey { background: var(--survey); }
.dot-aerospace { background: var(--aerospace); }
.stop-card[data-corridor="survey"] { box-shadow: inset 4px 0 0 var(--survey); padding-left: 18px; }
.stop-card[data-corridor="survey"] .stop-kicker { color: #806218; }
.stop-card[data-corridor="aerospace"] { box-shadow: inset 4px 0 0 var(--aerospace); padding-left: 18px; }
.stop-card[data-corridor="aerospace"] .stop-kicker { color: #326b84; }
.stop-actions.single { grid-template-columns: 1fr; }

.survey-readings { margin: 34px 0 8px; padding: 24px; border-radius: 16px; background: #171914; color: #f0eee7; }
.survey-readings-head > span { display: block; color: var(--survey); text-transform: uppercase; letter-spacing: .13em; font-size: 10px; font-weight: 900; }
.survey-readings-head p { margin: 10px 0 28px; color: #b9bbb2; font-size: 14px; line-height: 1.45; max-width: 640px; }
.hotspot-list { border-top: 1px solid rgba(255,255,255,.16); }
.hotspot-item { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.hotspot-item:last-child { border-bottom: 0; padding-bottom: 0; }
.hotspot-topline { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; }
.hotspot-topline span { color: #a8aaa1; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.hotspot-topline strong { flex: 0 0 auto; color: var(--survey); font-size: clamp(25px, 5vw, 40px); line-height: .9; letter-spacing: -.055em; }
.hotspot-bar { height: 6px; margin: 12px 0 10px; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,.12); }
.hotspot-bar i { display: block; height: 100%; border-radius: inherit; background: var(--survey); }
.hotspot-place { font-size: 15px; font-weight: 800; line-height: 1.25; }
.hotspot-directions { display: inline-block; margin-left: 8px; color: var(--survey); font-size: 11px; font-weight: 800; white-space: nowrap; }
.hotspot-item p { margin: 8px 0 0; color: #b9bbb2; font-size: 14px; line-height: 1.4; }

.survey-group { border-top: 1px solid rgba(255,255,255,.16); }
.survey-group:last-child { border-bottom: 1px solid rgba(255,255,255,.16); }
.survey-group summary { position: relative; display: grid; grid-template-columns: minmax(0,1fr) auto 22px; align-items: center; gap: 18px; padding: 17px 0; cursor: pointer; list-style: none; }
.survey-group summary::-webkit-details-marker { display: none; }
.survey-group summary::after { content: '+'; color: var(--survey); font-size: 22px; line-height: 1; text-align: right; }
.survey-group[open] summary::after { content: '−'; }
.survey-group-title { min-width: 0; }
.survey-group-title strong { display: block; font-size: 16px; line-height: 1.15; }
.survey-group-title small { display: block; margin-top: 4px; color: #8f9189; font-size: 11px; line-height: 1.3; }
.survey-group-count { color: var(--survey); font-size: 10px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.survey-method-note { margin: 0 0 18px; color: #b9bbb2; font-size: 13px; line-height: 1.45; }
.aerial-zone-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; margin-bottom: 22px; background: rgba(255,255,255,.12); }
.aerial-zone { min-width: 0; padding: 16px; background: #171914; }
.aerial-zone strong { display: block; font-size: 14px; line-height: 1.25; }
.aerial-zone > span { display: block; margin-top: 7px; color: var(--survey); font-size: 13px; font-weight: 900; }
.aerial-zone p { margin: 7px 0 0; color: #9ea097; font-size: 12px; line-height: 1.4; }
.ground-survey-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; margin-top: 28px; padding: 0 0 12px; }
.ground-survey-heading strong { font-size: 16px; }
.ground-survey-heading span { color: #8f9189; font-size: 11px; }
.hotspot-compact-list { padding-bottom: 8px; }
.hotspot-compact-row { display: grid; grid-template-columns: 52px minmax(0,1fr) auto; gap: 14px; align-items: start; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.1); }
.hotspot-anomaly { color: #a8aaa1; font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.hotspot-compact-main strong { display: block; font-size: 13px; line-height: 1.3; }
.hotspot-compact-main small { display: block; margin-top: 3px; color: #8f9189; font-size: 10px; line-height: 1.3; text-transform: uppercase; letter-spacing: .06em; }
.hotspot-compact-main p { margin: 7px 0 0; color: #b9bbb2; font-size: 12px; line-height: 1.4; }
.hotspot-reading { color: var(--survey); font-size: 12px; font-weight: 900; white-space: nowrap; }

.milestones { margin: 34px 0 8px; border-top: 1px solid var(--line); }
.milestones-label { padding: 20px 0 12px; text-transform: uppercase; letter-spacing: .13em; font-size: 10px; font-weight: 900; color: #326b84; }
.milestone-item { display: grid; grid-template-columns: 92px 1fr; gap: 18px; padding: 17px 0; border-top: 1px solid var(--line); }
.milestone-year { color: #326b84; font-size: 20px; line-height: 1; font-weight: 900; letter-spacing: -.04em; }
.milestone-item strong { display: block; font-size: 17px; line-height: 1.1; }
.milestone-item p { margin: 5px 0 0; color: #5c5e57; font-size: 14px; line-height: 1.4; }

@media (max-width: 620px) {
  .stop-card[data-corridor="survey"], .stop-card[data-corridor="aerospace"] { padding-left: 12px; }
  .survey-readings { margin-left: -4px; margin-right: -4px; padding: 20px 16px; }
  .hotspot-topline { align-items: flex-end; }
  .hotspot-place { font-size: 14px; }
  .survey-group summary { grid-template-columns: minmax(0,1fr) 18px; gap: 10px; }
  .survey-group-count { grid-column: 1; white-space: normal; }
  .survey-group summary::after { grid-column: 2; grid-row: 1 / span 2; }
  .aerial-zone-grid { grid-template-columns: 1fr; }
  .ground-survey-heading { display: block; }
  .ground-survey-heading span { display: block; margin-top: 4px; }
  .hotspot-compact-row { grid-template-columns: 42px minmax(0,1fr); gap: 10px; }
  .hotspot-reading { grid-column: 2; grid-row: 2; }
  .milestone-item { grid-template-columns: 70px 1fr; gap: 12px; }
  .milestone-year { font-size: 17px; }
}