:root {
  --cerulean: #2f9fc4;
  --cerulean-deep: #145067;
  --cerulean-dark: #0f3b4c;
  --cerulean-soft: #dff3f9;
  --orange: #f28c28;
  --orange-deep: #c7650d;
  --orange-soft: #fff0df;
  --grey: #e7ebee;
  --grey-2: #f4f6f7;
  --grey-3: #cdd5da;
  --ink: #17313c;
  --muted: #62727a;
  --white: #ffffff;
  --content: min(100% - 64px, 1440px);
  --header-height: 84px;
  --shadow: 0 16px 42px rgba(15, 59, 76, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.02; letter-spacing: -0.035em; }
h1 { font-size: clamp(3.5rem, 7vw, 7.8rem); margin-bottom: 22px; }
h2 { font-size: clamp(2.2rem, 4.1vw, 4.8rem); margin-bottom: 20px; }
h3 { font-size: 1.45rem; margin-bottom: 10px; }

.eyebrow {
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--grey);
  backdrop-filter: blur(12px);
}
.nav-wrap {
  width: var(--content);
  min-height: var(--header-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: stretch;
  min-width: 300px;
  border-left: 7px solid var(--cerulean);
  padding-left: 13px;
}
.brand-copy { display: grid; gap: 1px; }
.brand-name {
  font-weight: 950;
  font-size: 1.12rem;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.brand-subtitle {
  max-width: 390px;
  color: var(--muted);
  font-size: 0.69rem;
  line-height: 1.2;
  letter-spacing: 0.025em;
}
.nav-links { display: flex; gap: 3px; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a {
  padding: 10px 11px;
  border-bottom: 3px solid transparent;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}
.nav-links a:hover { color: var(--cerulean-deep); background: var(--grey-2); }
.nav-links a.active { color: var(--cerulean-deep); border-bottom-color: var(--cerulean); }

.hero {
  width: var(--content);
  min-height: 360px;
  margin: 18px auto 0;
  padding: clamp(34px, 5vw, 62px);
  display: flex;
  align-items: flex-end;
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--cerulean-deep);
  border-top: 6px solid var(--orange);
}
.hero-home { min-height: 300px; }
.hero-content { position: relative; z-index: 1; max-width: 1050px; }
.hero .eyebrow { color: #ffd2a5; }
.hero p {
  max-width: 800px;
  margin-bottom: 0;
  font-size: clamp(1.08rem, 1.5vw, 1.35rem);
  color: rgba(255,255,255,.84);
}
.project-title { margin-bottom: 14px; }
.project-subtitle {
  display: block;
  max-width: 880px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.35);
  font-size: clamp(1.1rem, 2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,.94);
}

.section { width: var(--content); margin: 92px auto; }
.section.compact { margin-top: 72px; margin-bottom: 72px; }
.section-head {
  display: grid;
  grid-template-columns: minmax(0,1.1fr) minmax(280px,.9fr);
  gap: 54px;
  align-items: end;
  margin-bottom: 30px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--grey);
}
.section-head h2 { margin-bottom: 0; }
.section-head p { margin: 0; color: var(--muted); font-size: 1.02rem; }

.map-shell { border: 1px solid var(--grey-3); background: var(--grey-2); box-shadow: var(--shadow); }
.map { width: 100%; min-height: 650px; background: var(--grey); }

/* Homepage viewing platform: tall map + timeline on desktop, stacked on mobile. */
.overview-platform {
  width: var(--content);
  min-height: 720px;
  height: calc(100svh - 42px);
  max-height: 1040px;
  margin: 38px auto 78px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  border: 1px solid var(--grey-3);
  background: var(--white);
  box-shadow: var(--shadow);
}
.overview-map-panel {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--grey-3);
  background: var(--grey-2);
}
.overview-map {
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
}
.overview-map-panel .map-caption { flex: 0 0 auto; }
.overview-timeline {
  min-height: 0;
  overflow-y: auto;
  padding: clamp(34px, 4vw, 60px);
  display: flex;
  flex-direction: column;
  background: var(--white);
}
.overview-timeline h2 {
  font-size: clamp(2.25rem, 3.5vw, 4.2rem);
  margin-bottom: 18px;
}
.timeline-intro { color: var(--muted); margin-bottom: 30px; }
.timeline-list { display: grid; gap: 0; margin-bottom: 30px; }
.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 0 0 27px;
}
.timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 34px;
  bottom: 0;
  left: 16px;
  width: 1px;
  background: var(--grey-3);
}
.timeline-marker {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  z-index: 1;
  background: var(--cerulean-deep);
  color: white;
  font-size: .69rem;
  font-weight: 950;
  letter-spacing: .05em;
}
.timeline-date {
  display: block;
  margin-bottom: 4px;
  color: var(--orange-deep);
  font-size: .7rem;
  font-weight: 950;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.timeline-item h3 { margin-bottom: 5px; font-size: 1.25rem; }
.timeline-item p { margin: 0; color: var(--muted); font-size: .92rem; }
.timeline-link {
  margin-top: auto;
  padding: 14px 16px;
  border: 1px solid var(--cerulean-deep);
  background: var(--cerulean-deep);
  color: white;
  font-weight: 900;
}
.timeline-link:hover { background: var(--white); color: var(--cerulean-deep); }
.map-caption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 16px;
  border-top: 1px solid var(--grey-3);
  background: var(--white);
  color: var(--muted);
  font-size: .82rem;
}
.leaflet-container, .maplibregl-map { font-family: inherit; }
.leaflet-bar, .leaflet-control-layers, .maplibregl-ctrl-group { border-radius: 0 !important; }
.leaflet-bar a, .maplibregl-ctrl button { border-radius: 0 !important; }

.cards-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.card {
  min-height: 240px;
  padding: 28px;
  background: var(--grey-2);
  border: 1px solid var(--grey-3);
  border-top: 5px solid var(--cerulean);
}
.card .num {
  color: var(--cerulean-deep);
  font-size: .73rem;
  font-weight: 950;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.card h3 { margin: 15px 0 10px; }
.card p { color: var(--muted); margin-bottom: 0; }
.card.accent { background: var(--cerulean-soft); border-top-color: var(--orange); }
.card-link {
  position: relative;
  display: block;
  transition: transform .17s ease, background .17s ease, border-color .17s ease, box-shadow .17s ease;
}
.card-link::after {
  content: "→";
  position: absolute;
  right: 26px;
  bottom: 21px;
  color: var(--orange);
  font-size: 1.55rem;
  font-weight: 900;
}
.card-link:hover, .card-link:focus-visible {
  transform: translateY(-4px);
  background: var(--white);
  border-color: var(--cerulean);
  box-shadow: var(--shadow);
  outline: none;
}

/* Route accordion */
.route-stack { display: grid; gap: 18px; }
.route-section {
  border: 1px solid var(--grey-3);
  border-left: 7px solid var(--cerulean);
  background: var(--grey-2);
  overflow: hidden;
}
.route-section[open] { border-left-color: var(--orange); background: var(--white); box-shadow: var(--shadow); }
.route-summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 28px;
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 24px;
  align-items: center;
  user-select: none;
}
.route-summary::-webkit-details-marker { display: none; }
.route-summary:hover { background: rgba(47,159,196,.055); }
.route-title-row { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.route-title-row .stage {
  color: var(--orange);
  font-size: .72rem;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .12em;
  white-space: nowrap;
}
.route-title-row h2 { margin: 0; font-size: clamp(1.75rem, 3vw, 3rem); }
.route-summary-note { color: var(--muted); margin-top: 7px; max-width: 780px; }
.route-toggle-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--grey-3);
  background: var(--white);
  color: var(--cerulean-deep);
  font-size: 1.5rem;
  font-weight: 400;
}
.route-toggle-icon::before { content: "+"; }
.route-section[open] .route-toggle-icon::before { content: "−"; }
.route-body {
  display: grid;
  grid-template-columns: minmax(290px,.78fr) minmax(0,1.5fr);
  gap: 0;
  border-top: 1px solid var(--grey-3);
}
.route-copy { padding: 32px 30px 36px; background: var(--grey-2); }
.route-copy p { color: var(--muted); }
.route-copy h3 { margin-top: 26px; color: var(--cerulean-deep); }
.route-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 22px 0 10px; }
.pill {
  padding: 7px 10px;
  border: 1px solid var(--grey-3);
  background: var(--white);
  color: var(--cerulean-deep);
  font-size: .78rem;
  font-weight: 850;
}
.detail-list { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.detail-list li { padding-left: 15px; border-left: 3px solid var(--cerulean); color: var(--muted); }
.segment-map-wrap { min-height: 520px; position: relative; background: var(--grey); }
.segment-map { position: absolute; inset: 0; }
.map-tools {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 4;
  display: flex;
  gap: 7px;
  align-items: center;
}
.map-badge, .map-toggle {
  padding: 8px 10px;
  border: 1px solid rgba(15,59,76,.24);
  background: rgba(255,255,255,.93);
  color: var(--cerulean-deep);
  font-size: .73rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .06em;
  box-shadow: 0 3px 10px rgba(15,59,76,.12);
}
.map-toggle { cursor: pointer; }
.map-toggle:hover { background: var(--cerulean-deep); color: white; }
.map-note {
  position: absolute;
  z-index: 4;
  bottom: 20px;
  left: 12px;
  max-width: 360px;
  padding: 9px 11px;
  background: rgba(15,59,76,.88);
  color: white;
  font-size: .74rem;
  line-height: 1.35;
}

.story-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: stretch; }
.story-panel { padding: clamp(32px,5vw,64px); background: var(--grey-2); border: 1px solid var(--grey-3); }
.story-panel.blue { background: var(--cerulean-soft); border-top: 6px solid var(--cerulean); }
.story-panel.orange { background: var(--orange-soft); border-top: 6px solid var(--orange); }
.story-panel h2 { margin-bottom: 22px; }
.story-panel p { color: var(--muted); font-size: 1.04rem; }
.image-placeholder {
  min-height: 420px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 30px;
  color: rgba(255,255,255,.94);
  background: var(--cerulean-deep);
  border: 1px solid rgba(23,49,60,.12);
  border-top: 6px solid var(--cerulean);
}
/* Optional photo mode. Add class="photo" and set --placeholder-image on the element.
   Example: style="--placeholder-image: url('assets/images/pitch-hero.jpg')" */
.image-placeholder.photo {
  background-color: var(--cerulean-deep);
  background-image:
    linear-gradient(rgba(15,59,76,.20), rgba(15,59,76,.20)),
    var(--placeholder-image);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.image-placeholder span { max-width: 26ch; font-weight: 850; font-size: 1.05rem; }

.partnership-card { min-height: 355px; display: flex; flex-direction: column; }
.partnership-card .expansion { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--grey-3); }
.partnership-card .expansion strong { color: var(--cerulean-deep); display: block; margin-bottom: 8px; }
.partnership-card ul { padding-left: 18px; margin: 0; color: var(--muted); }
.partnership-card li + li { margin-top: 5px; }

.team-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.bio-card { display: grid; grid-template-columns: 180px 1fr; gap: 24px; align-items: center; padding: 24px; background: var(--grey-2); border: 1px solid var(--grey-3); border-top: 5px solid var(--cerulean); }
.portrait-placeholder { aspect-ratio: 4/5; display: grid; place-items: center; color: var(--cerulean-deep); font-weight: 850; background: var(--cerulean-soft); border: 1px solid var(--grey-3); }
.bio-card h2 { font-size: 2rem; margin-bottom: 6px; }
.bio-role { color: var(--orange); font-weight: 850; margin-bottom: 12px; }
.bio-card p { color: var(--muted); margin: 0; }

.contact-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 24px; }
.contact-panel { padding: clamp(30px,5vw,58px); background: var(--cerulean-soft); border-top: 6px solid var(--cerulean); }
.contact-panel h2 { margin-bottom: 16px; }
.contact-panel p { color: var(--muted); }
.contact-list { display: grid; gap: 10px; margin-top: 28px; }
.contact-item { background: rgba(255,255,255,.84); border: 1px solid var(--grey-3); padding: 15px 17px; font-weight: 750; }
.form-card { padding: 32px; background: var(--grey-2); border: 1px solid var(--grey-3); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1/-1; }
.field label { font-size: .79rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; color: var(--cerulean-deep); }
.field input, .field textarea { width: 100%; border: 1px solid rgba(23,49,60,.18); border-radius: 0; background: white; padding: 14px 15px; color: var(--ink); outline: none; }
.field input:focus, .field textarea:focus { border-color: var(--cerulean); box-shadow: 0 0 0 3px rgba(47,159,196,.12); }
.btn { display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 0; padding: 13px 20px; font-weight: 900; cursor: pointer; background: var(--orange); color: white; }
.btn:hover { background: var(--orange-deep); }

.cta-band {
  width: var(--content);
  margin: 96px auto 40px;
  padding: 38px 42px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  background: var(--cerulean-deep);
  color: white;
  border-left: 8px solid var(--orange);
}
.cta-band h2 { font-size: clamp(1.8rem,3vw,3rem); margin-bottom: 0; }
.cta-band a { background: white; color: var(--cerulean-deep); padding: 12px 18px; font-weight: 900; white-space: nowrap; border: 1px solid white; }
.cta-band a:hover { background: transparent; color: white; }

footer { width: var(--content); margin: 0 auto; padding: 28px 0 44px; display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .88rem; border-top: 1px solid var(--grey); }
.footer-project { font-weight: 800; color: var(--cerulean-deep); }

@media (max-width: 1080px) {
  .brand { min-width: 230px; }
  .brand-subtitle { display: none; }
  .nav-links a { font-size: .82rem; padding-inline: 8px; }
}

@media (max-width: 900px) {
  :root { --content: min(100% - 28px, 1440px); }
  .nav-wrap { align-items: flex-start; padding: 13px 0; flex-direction: column; gap: 7px; }
  .brand-subtitle { display: block; }
  .nav-links { justify-content: flex-start; }
  .hero { min-height: 330px; margin-top: 14px; padding: 36px 30px; }
  .hero-home { min-height: 270px; }
  .section { margin: 64px auto; }
  .section-head, .route-body, .story-grid, .contact-layout { grid-template-columns: 1fr; }
  .cards-3 { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .map { min-height: 470px; }
  .overview-platform {
    height: auto;
    max-height: none;
    min-height: 0;
    grid-template-columns: 1fr;
    margin-top: 28px;
  }
  .overview-map-panel { border-right: 0; border-bottom: 1px solid var(--grey-3); }
  .overview-map { height: 76svh; min-height: 520px; }
  .overview-timeline { overflow: visible; padding: 34px 28px; }
  .segment-map-wrap { min-height: 440px; }
}

@media (max-width: 620px) {
  h1 { font-size: clamp(3rem, 16vw, 4.5rem); }
  .brand { min-width: 0; }
  .brand-subtitle { max-width: 285px; }
  .nav-links a { padding: 7px 7px; font-size: .77rem; }
  .route-summary { padding: 20px; }
  .route-copy { padding: 24px 20px 30px; }
  .route-toggle-icon { width: 38px; height: 38px; }
  .bio-card { grid-template-columns: 1fr; }
  .portrait-placeholder { max-width: 220px; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .cta-band { align-items: flex-start; flex-direction: column; padding: 30px 24px; }
  footer { flex-direction: column; }
  .map-caption { flex-direction: column; align-items: flex-start; }
  .overview-map { height: 72svh; min-height: 460px; }
  .timeline-item { grid-template-columns: 42px 1fr; gap: 12px; }
  .map-tools { flex-wrap: wrap; right: 12px; }
}

/* Map/control stacking: Leaflet's default control z-index was tying the sticky header. */
.site-header { z-index: 3000; }
.leaflet-top, .leaflet-bottom { z-index: 600; }

/* Basecamp chapters are visually distinct but stay inside the same square-corner system. */
.route-section.basecamp:not([open]) { border-left-color: #d93b32; }
.route-section.basecamp .route-title-row .stage { color: #b72c25; }
.map-note { pointer-events: none; }


/* Selectable partnership packages */
.package-selector {
  display: grid;
  grid-template-columns: minmax(220px,.62fr) minmax(0,1.38fr);
  border: 1px solid var(--grey-3);
  background: var(--white);
}
.package-tabs {
  display: grid;
  align-content: start;
  background: var(--grey-2);
  border-right: 1px solid var(--grey-3);
}
.package-tab {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--grey-3);
  border-left: 6px solid transparent;
  background: transparent;
  padding: 20px 22px;
  text-align: left;
  cursor: pointer;
  font-weight: 900;
  color: var(--cerulean-deep);
  transition: background .16s ease, border-color .16s ease;
}
.package-tab span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: .69rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.package-tab:hover { background: var(--white); }
.package-tab.active {
  background: var(--white);
  border-left-color: var(--orange);
}
.package-detail {
  min-height: 390px;
  display: grid;
  grid-template-columns: minmax(0,.9fr) minmax(280px,1.1fr);
  gap: 42px;
  padding: clamp(30px,4vw,58px);
  align-items: start;
}
.package-copy h3 {
  margin-top: 10px;
  font-size: clamp(2rem,3.2vw,3.6rem);
}
.package-copy p { color: var(--muted); font-size: 1.04rem; max-width: 44rem; }
.package-offerings-wrap {
  padding: 24px;
  background: var(--cerulean-soft);
  border-top: 5px solid var(--cerulean);
}
.package-offerings {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
}
.package-offerings li {
  position: relative;
  padding: 13px 0 13px 22px;
  border-bottom: 1px solid rgba(20,80,103,.16);
  color: var(--cerulean-deep);
  font-weight: 750;
}
.package-offerings li:last-child { border-bottom: 0; }
.package-offerings li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 950;
}

@media (max-width: 900px) {
  .package-selector, .package-detail { grid-template-columns: 1fr; }
  .package-tabs {
    grid-template-columns: repeat(2,minmax(0,1fr));
    border-right: 0;
    border-bottom: 1px solid var(--grey-3);
  }
  .package-tab { border-left-width: 0; border-top: 5px solid transparent; }
  .package-tab.active { border-left-color: transparent; border-top-color: var(--orange); }
}

@media (max-width: 620px) {
  .package-tabs { grid-template-columns: 1fr; }
  .package-detail { gap: 24px; padding: 26px 20px; }
}
.portfolio-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;

  margin-top: 1.5rem;
  padding: 0.8rem 1rem;

  min-width: 150px;

  background: var(--cerulean-deep);
  color: var(--white);

  border: 1px solid var(--cerulean-deep);
  border-radius: 0;

  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;

  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.portfolio-button span {
  font-size: 1rem;
  line-height: 1;
}

.portfolio-button:hover,
.portfolio-button:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}
.team-copy {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.team-copy .portfolio-button {
  margin-top: auto;
  align-self: flex-start;
}
.portrait-photo {
  width: 100%;
  aspect-ratio: 4 / 8;
  display: block;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--grey-3);
}
.story-image {
  width: 100%;
  height: 100%;
  min-height: 420px;
  display: block;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--grey-3);
}