:root {
  --graphite: #20292c;
  --graphite-deep: #111a1c;
  --river: #087d82;
  --river-light: #bfe2df;
  --sun: #f2c44d;
  --paper: #f6f4ec;
  --white: #fffef9;
  --muted: #647073;
  --line: rgba(32, 41, 44, .22);
  --display: "Trebuchet MS", Arial, sans-serif;
  --body: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip {
  position: fixed;
  z-index: 100;
  top: .5rem;
  left: .5rem;
  transform: translateY(-160%);
  padding: .7rem 1rem;
  background: var(--sun);
  color: var(--graphite-deep);
  font-weight: 700;
}
.skip:focus { transform: none; }

.topbar {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  align-items: center;
  min-height: 82px;
  padding: 0 clamp(1rem, 4vw, 4rem);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.identity { display: inline-flex; align-items: center; gap: .75rem; width: fit-content; line-height: 1; }
.identity strong { display: block; font-family: var(--display); font-size: 1.22rem; letter-spacing: -.035em; }
.identity small { display: block; margin-top: .28rem; color: var(--muted); font-size: .67rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.identity-symbol { position: relative; display: grid; place-items: center; width: 35px; height: 35px; border: 2px solid var(--river); border-radius: 50%; }
.identity-symbol::before, .identity-symbol::after { content: ""; position: absolute; background: var(--river); }
.identity-symbol::before { width: 1px; height: 47px; }
.identity-symbol::after { width: 47px; height: 1px; }
.identity-symbol i { width: 9px; height: 9px; background: var(--sun); border-radius: 50%; box-shadow: 0 0 0 4px var(--white); }
.wide-nav { display: flex; gap: 1.8rem; font-size: .82rem; font-weight: 700; }
.wide-nav a { padding: .3rem 0; border-bottom: 2px solid transparent; }
.wide-nav a:hover, .wide-nav a:focus-visible { border-color: var(--river); }
.topbar-tools { display: flex; justify-content: flex-end; gap: .65rem; }
.language-control { position: relative; }
.language-toggle, .nav-toggle { min-height: 42px; border: 1px solid var(--line); background: transparent; color: var(--graphite); cursor: pointer; }
.language-toggle { padding: .5rem .8rem; font-size: .78rem; font-weight: 700; }
.language-toggle em { font-style: normal; font-weight: 400; }
.language-choice { position: absolute; top: calc(100% + .5rem); right: 0; min-width: 185px; padding: .8rem; background: var(--white); border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(17, 26, 28, .13); font-size: .8rem; }
.language-choice span { color: var(--river); font-size: .65rem; }
.nav-toggle { display: none; width: 44px; padding: 8px 10px; }
.nav-toggle span { display: block; width: 100%; height: 2px; margin: 4px 0; background: currentColor; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.compact-nav { grid-column: 1 / -1; padding: .6rem 0 1.2rem; border-top: 1px solid var(--line); }
.compact-nav a { display: block; padding: .55rem 0; font-weight: 700; }

.opening { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr); max-width: 1540px; margin: 0 auto; padding: 5.5rem clamp(1.2rem, 6vw, 6.5rem) 0; }
.opening-copy { padding: 0 3rem 4rem 0; }
.section-label { margin: 0 0 1rem; color: var(--river); font-size: .72rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.opening h1 { max-width: 1050px; margin: 0; font-family: var(--display); font-size: clamp(3.6rem, 8.3vw, 9rem); font-weight: 700; line-height: .86; letter-spacing: -.075em; }
.opening-lead { max-width: 700px; margin: 2.1rem 0 0; font-size: 1.08rem; }
.opening-index { align-self: end; margin-bottom: 4rem; border-top: 3px solid var(--graphite); }
.opening-index p { display: grid; grid-template-columns: 36px 1fr; gap: .8rem; margin: 0; padding: .65rem 0; border-bottom: 1px solid var(--line); font-size: .8rem; font-weight: 700; }
.opening-index span { color: var(--river); }
.opening-image { position: relative; grid-column: 1 / -1; margin: 0; min-height: 490px; overflow: hidden; background: var(--river-light); }
.opening-image img { width: 100%; height: clamp(490px, 55vw, 720px); object-fit: cover; object-position: center 43%; }
.opening-image figcaption { position: absolute; bottom: 0; left: 0; padding: .9rem 1.2rem; background: var(--sun); color: var(--graphite-deep); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.purpose-line { padding: 1.2rem clamp(1.2rem, 8vw, 8rem); background: var(--river); color: white; }
.purpose-line p { max-width: 1200px; margin: 0 auto; }

.field-guide { max-width: 1280px; margin: 0 auto; padding: 6.5rem clamp(1.2rem, 5vw, 5rem); }
.guide-section { display: grid; grid-template-columns: 74px minmax(260px, .72fr) minmax(0, 1.28fr); gap: clamp(1.5rem, 4vw, 4.5rem); scroll-margin-top: 1rem; padding: 0 0 7rem; }
.guide-number { color: var(--river); font-family: var(--display); font-size: 1.1rem; font-weight: 800; border-top: 4px solid currentColor; padding-top: .55rem; }
.guide-title h2 { margin: 0; font-family: var(--display); font-size: clamp(2.2rem, 4.2vw, 4.6rem); line-height: .98; letter-spacing: -.055em; }
.guide-body { min-width: 0; }
.guide-body > p { max-width: 730px; margin: 0 0 1.2rem; }
.large-text { font-family: var(--display); font-size: clamp(1.28rem, 2.1vw, 1.7rem); line-height: 1.42; letter-spacing: -.025em; }
.signal-map { display: grid; grid-template-columns: repeat(3, 1fr); margin: 2.5rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-map > div { padding: 1.4rem 1.2rem; }
.signal-map > div + div { border-left: 1px solid var(--line); }
.signal-map span { display: grid; place-items: center; width: 30px; height: 30px; background: var(--river); color: white; border-radius: 50%; font-size: .72rem; font-weight: 800; }
.signal-map h3 { margin: 1rem 0 .5rem; font-family: var(--display); font-size: 1.1rem; }
.signal-map p { margin: 0; font-size: .88rem; line-height: 1.55; }

.editorial-quote { position: relative; margin: 0 0 8rem 74px; padding: 4rem clamp(1.5rem, 5vw, 5rem); background: var(--sun); color: var(--graphite-deep); }
.editorial-quote > span { position: absolute; top: -.35rem; left: 1rem; font-family: Georgia, serif; font-size: 8rem; line-height: 1; opacity: .22; }
.editorial-quote p { position: relative; max-width: 900px; margin: 0; font-family: var(--display); font-size: clamp(2rem, 4.5vw, 4.4rem); font-weight: 700; line-height: 1.02; letter-spacing: -.05em; }
.editorial-quote cite { display: block; margin-top: 1.4rem; font-size: .72rem; font-style: normal; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.assessment-list { margin: 2.4rem 0; }
.assessment-list > div { display: grid; grid-template-columns: 130px 1fr; gap: 1.3rem; padding: 1rem 0; border-top: 1px solid var(--line); }
.assessment-list > div:last-child { border-bottom: 1px solid var(--line); }
.assessment-list dt { color: var(--river); font-weight: 800; text-transform: uppercase; font-size: .76rem; letter-spacing: .07em; }
.assessment-list dd { margin: 0; }
.note-yellow { padding: 1.2rem; background: rgba(242, 196, 77, .32); border-left: 5px solid var(--sun); }

.guide-section-dark { margin: 0 -4rem 7rem; padding: 4.5rem 4rem; background: var(--graphite-deep); color: #eaf1ef; }
.guide-section-dark .section-label, .guide-section-dark .guide-number { color: var(--sun); }
.observation-timeline { list-style: none; margin: 0 0 2rem; padding: 0; }
.observation-timeline li { display: grid; grid-template-columns: 125px 1fr; gap: 1.5rem; padding: 1.2rem 0; border-top: 1px solid rgba(255,255,255,.2); }
.observation-timeline li:last-child { border-bottom: 1px solid rgba(255,255,255,.2); }
.observation-timeline span { color: var(--sun); font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.observation-timeline h3 { margin: 0 0 .3rem; font-family: var(--display); font-size: 1.08rem; }
.observation-timeline p { margin: 0; color: #bfc9c8; }
.urgent-section .guide-number, .urgent-section .section-label { color: #a33c22; }
.emergency-band { display: grid; grid-template-columns: minmax(230px, .8fr) 1.2fr; gap: 2rem; align-items: center; margin: 2.3rem 0; padding: 1.4rem 1.7rem; background: #f1d0c3; border-top: 4px solid #a33c22; }
.emergency-band p { margin: 0; }
.emergency-band p:first-child { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.emergency-band span { max-width: 150px; font-size: .72rem; font-weight: 800; line-height: 1.4; text-transform: uppercase; }
.emergency-band strong { font-family: var(--display); font-size: clamp(3.8rem, 7vw, 6.5rem); line-height: .8; letter-spacing: -.07em; }
.local-path { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 2.5rem; border: 1px solid var(--line); background: var(--white); }
.local-path p { display: flex; gap: .8rem; align-items: center; margin: 0; padding: 1.2rem; }
.local-path p + p { border-left: 1px solid var(--line); }
.local-path b { display: grid; place-items: center; flex: 0 0 28px; height: 28px; border-radius: 50%; background: var(--river); color: white; font-size: .72rem; }
.local-path span { font-size: .85rem; font-weight: 700; line-height: 1.4; }

.no-features { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2rem, 8vw, 8rem); padding: 6rem clamp(1.2rem, 8vw, 8rem); background: var(--river-light); }
.no-features h2 { max-width: 560px; margin: 0; font-family: var(--display); font-size: clamp(2.8rem, 5.8vw, 6rem); line-height: .92; letter-spacing: -.06em; }
.no-list { border-top: 3px solid var(--graphite); }
.no-list p { display: grid; grid-template-columns: 42px 1fr; gap: 1rem; margin: 0; padding: .9rem 0; border-bottom: 1px solid var(--line); font-weight: 700; }
.no-list span { color: var(--river); }

.footer { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 4rem; padding: 4.5rem clamp(1.2rem, 6vw, 6rem) 2rem; background: var(--graphite-deep); color: #cbd4d2; }
.identity-light { color: white; }
.identity-light small { color: #aebcba; }
.identity-light .identity-symbol i { box-shadow: 0 0 0 4px var(--graphite-deep); }
.footer-brand > p { max-width: 400px; margin-top: 1.5rem; }
.footer-info h2 { margin: 0 0 1rem; color: var(--sun); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.footer-info p { margin: .55rem 0; font-size: .84rem; }
.footer-line { grid-column: 1 / -1; margin: 1rem 0 0; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.18); font-size: .75rem; }

@media (max-width: 980px) {
  .topbar { grid-template-columns: 1fr auto; gap: 1rem; }
  .wide-nav { display: none; }
  .nav-toggle { display: block; }
  .opening { grid-template-columns: 1fr; padding-top: 4rem; }
  .opening-copy { padding-right: 0; }
  .opening-index { width: 100%; max-width: 520px; }
  .guide-section { grid-template-columns: 52px 1fr; }
  .guide-title { grid-column: 2; }
  .guide-body { grid-column: 2; }
  .editorial-quote { margin-left: 52px; }
  .no-features { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr 1fr; }
  .footer-brand, .footer-line { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .topbar { min-height: 72px; padding: .75rem 1rem; }
  .identity small { display: none; }
  .language-toggle { width: 42px; overflow: hidden; padding: .5rem; white-space: nowrap; }
  .language-toggle em { display: none; }
  .language-choice { right: -52px; }
  .opening { padding: 3.5rem 1.1rem 0; }
  .opening-copy { padding-bottom: 3rem; }
  .opening h1 { font-size: clamp(3.2rem, 17vw, 5.3rem); }
  .opening-image { min-height: 390px; margin-left: -1.1rem; margin-right: -1.1rem; }
  .opening-image img { height: 430px; object-position: 38% center; }
  .opening-image figcaption { max-width: 85%; font-size: .68rem; }
  .purpose-line { padding: 1.2rem; }
  .field-guide { padding: 4.5rem 1.2rem; }
  .guide-section { display: block; padding-bottom: 5.5rem; }
  .guide-number { width: 42px; margin-bottom: 1.4rem; }
  .guide-title { margin-bottom: 2rem; }
  .signal-map { grid-template-columns: 1fr; }
  .signal-map > div { padding: 1.2rem 0; }
  .signal-map > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .editorial-quote { margin: 0 -1.2rem 6rem; padding: 3rem 1.2rem; }
  .assessment-list > div { grid-template-columns: 1fr; gap: .25rem; }
  .guide-section-dark { margin: 0 -1.2rem 5.5rem; padding: 3.5rem 1.2rem; }
  .observation-timeline li { grid-template-columns: 1fr; gap: .25rem; }
  .emergency-band { grid-template-columns: 1fr; }
  .local-path { grid-template-columns: 1fr; }
  .local-path p + p { border-left: 0; border-top: 1px solid var(--line); }
  .no-features { padding: 4.5rem 1.2rem; }
  .footer { grid-template-columns: 1fr; gap: 2.5rem; padding: 3.8rem 1.2rem 1.5rem; }
  .footer-brand, .footer-line { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}