/* Amazon Field Guide — shared magazine stylesheet
   Earthy tones, reading-first layout, no pop-in animations. */

:root {
  --bark: #3b2f26;
  --clay: #a8552f;
  --ochre: #c78b2b;
  --moss: #5d6b3f;
  --cream: #f6efe4;
  --paper: #faf6ee;
  --ink: #241d17;
  --muted: #6b5e52;
  --rule: #d4c4a8;
  --fact-bg: #efe6d4;
  --odd-bg: #e8dfc8;
  --max: 42rem;
  --page: 68rem;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--cream);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--clay);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--bark);
}

/* —— Hub page —— */
.hub-body {
  background: var(--cream);
}

.hub-wrap {
  max-width: 56rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.hub-masthead {
  border-bottom: 3px solid var(--bark);
  padding-bottom: 1.25rem;
  margin-bottom: 2rem;
}

.hub-masthead .kicker {
  margin-bottom: 0.5rem;
}

.hub-masthead h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--bark);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}

.hub-intro {
  color: var(--muted);
  max-width: 36rem;
  margin: 0;
  font-size: 1.05rem;
}

.hub-section {
  margin: 2.5rem 0;
}

.hub-section h2 {
  font-size: 1.35rem;
  color: var(--moss);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.4rem;
  margin: 0 0 1rem;
}

.hub-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.hub-list a {
  display: block;
  padding: 0.85rem 1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--clay);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.hub-list a:hover {
  background: var(--fact-bg);
  border-left-color: var(--moss);
}

.hub-list .title {
  font-weight: 700;
  display: block;
}

.hub-list .deck {
  font-size: 0.95rem;
  color: var(--muted);
  font-style: italic;
}

/* —— Article shell —— */
.site-header {
  background: var(--bark);
  color: var(--cream);
  padding: 0.65rem 1.25rem;
}

.site-header-inner {
  max-width: var(--page);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}

.site-brand {
  font-family: Georgia, serif;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream);
  text-decoration: none;
}

.site-brand:hover {
  color: var(--ochre);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8rem;
}

.site-nav a {
  color: var(--cream);
  text-decoration: none;
  opacity: 0.85;
}

.site-nav a:hover,
.site-nav a.is-active {
  opacity: 1;
  color: var(--ochre);
  text-decoration: underline;
}

.article-page {
  max-width: var(--page);
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 960px) {
  .article-page {
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 2.5rem;
    padding-top: 1.5rem;
  }
}

/* Contents rail */
.contents-rail {
  display: none;
}

@media (min-width: 960px) {
  .contents-rail {
    display: block;
    position: sticky;
    top: 1.25rem;
    align-self: start;
    font-size: 0.8rem;
    line-height: 1.45;
  }

  .contents-rail h2 {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 0.75rem;
    font-weight: 700;
  }

  .contents-rail ol {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 2px solid var(--rule);
  }

  .contents-rail a {
    display: block;
    padding: 0.35rem 0 0.35rem 0.85rem;
    color: var(--muted);
    text-decoration: none;
    margin-left: -2px;
    border-left: 2px solid transparent;
  }

  .contents-rail a:hover {
    color: var(--clay);
  }

  .contents-rail a.is-active {
    color: var(--bark);
    border-left-color: var(--clay);
    font-weight: 700;
  }
}

.article-main {
  max-width: 48rem;
  min-width: 0;
}

/* Masthead */
.masthead {
  border-bottom: 3px double var(--bark);
  padding: 1.75rem 0 1.5rem;
  margin-bottom: 1.5rem;
}

.kicker {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--moss);
  font-weight: 700;
  margin: 0 0 0.65rem;
  font-family: Georgia, serif;
}

.masthead h1 {
  font-size: clamp(2.1rem, 5vw, 3.25rem);
  line-height: 1.12;
  color: var(--bark);
  margin: 0 0 0.85rem;
  font-weight: 700;
}

.standfirst {
  font-size: 1.2rem;
  font-style: italic;
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 1rem;
  max-width: 38rem;
}

/* Hero figure */
.hero-figure {
  margin: 0 0 2rem;
}

.hero-figure img {
  width: 100%;
  height: auto;
  max-height: 36rem;
  object-fit: contain;
  object-position: center;
  background: var(--fact-bg);
  border: 1px solid var(--rule);
}

.caption {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.55rem 0 0;
  line-height: 1.45;
}

.caption .credit {
  display: block;
  font-size: 0.75rem;
  margin-top: 0.2rem;
}

/* Layout: feature + sidebar */
.feature-layout {
  display: grid;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 720px) {
  .feature-layout {
    grid-template-columns: minmax(0, 1fr) 14rem;
    gap: 2rem;
    align-items: start;
  }
}

.feature-read {
  max-width: var(--max);
}

.feature-read > p:first-of-type::first-letter {
  float: left;
  font-size: 3.6rem;
  line-height: 0.85;
  padding: 0.1rem 0.5rem 0 0;
  font-weight: 700;
  color: var(--clay);
}

.feature-read h2 {
  font-size: 1.45rem;
  color: var(--bark);
  margin: 1.75rem 0 0.75rem;
  line-height: 1.25;
}

.feature-read p {
  margin: 0 0 1.1rem;
}

.feature-read strong {
  color: var(--bark);
}

/* Field Notes sidebar */
.field-notes {
  background: var(--fact-bg);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--ochre);
  padding: 1rem 1.1rem 1.15rem;
  font-size: 0.92rem;
  line-height: 1.45;
}

.field-notes h2 {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 0.85rem;
  color: var(--bark);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.45rem;
}

.field-notes dl {
  margin: 0;
}

.field-notes dt {
  font-weight: 700;
  color: var(--moss);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 0.65rem;
}

.field-notes dt:first-child {
  margin-top: 0;
}

.field-notes dd {
  margin: 0.15rem 0 0;
  color: var(--ink);
}

/* Pull quote */
.pull-quote {
  margin: 1.75rem 0;
  padding: 1rem 0 1rem 1.25rem;
  border-left: 4px solid var(--clay);
  font-size: 1.3rem;
  font-style: italic;
  line-height: 1.4;
  color: var(--bark);
}

.pull-quote cite {
  display: block;
  font-size: 0.8rem;
  font-style: normal;
  color: var(--muted);
  margin-top: 0.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Numbered explainer */
.explainer {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 1.35rem 1.5rem 1.5rem;
  margin: 2rem 0;
}

.explainer h2 {
  font-size: 1.25rem;
  color: var(--bark);
  margin: 0 0 1rem;
}

.explainer ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.explainer li {
  counter-increment: step;
  position: relative;
  padding: 0.65rem 0 0.65rem 2.75rem;
  border-top: 1px solid var(--rule);
}

.explainer li:first-child {
  border-top: none;
  padding-top: 0;
}

.explainer li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 1.85rem;
  height: 1.85rem;
  background: var(--moss);
  color: var(--cream);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Georgia, serif;
}

.explainer li:first-child::before {
  top: 0;
}

.explainer li strong {
  display: block;
  color: var(--bark);
  margin-bottom: 0.2rem;
}

/* Stat band */
.stat-band {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: 0.75rem;
  background: var(--bark);
  color: var(--cream);
  padding: 1.25rem;
  margin: 2rem 0;
}

.stat-band .stat {
  text-align: center;
  padding: 0.5rem;
}

.stat-band .num {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ochre);
  line-height: 1.2;
}

.stat-band .label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.9;
  margin-top: 0.25rem;
}

/* Survivor list */
.survivor-list {
  margin: 2rem 0;
}

.survivor-list h2 {
  font-size: 1.35rem;
  color: var(--bark);
  margin: 0 0 0.85rem;
}

.survivor-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.survivor-list li {
  padding: 0.75rem 0 0.75rem 1.35rem;
  border-top: 1px solid var(--rule);
  position: relative;
}

.survivor-list li:last-child {
  border-bottom: 1px solid var(--rule);
}

.survivor-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--clay);
  border-radius: 50%;
}

/* Second read */
.second-read {
  max-width: var(--max);
  margin: 2.5rem 0;
}

.second-read h2 {
  font-size: 1.45rem;
  color: var(--bark);
  margin: 0 0 0.85rem;
}

.second-read p {
  margin: 0 0 1.1rem;
}

.inline-figure {
  margin: 1.5rem 0;
}

.inline-figure img {
  width: 100%;
  height: auto;
  max-height: 32rem;
  object-fit: contain;
  object-position: center;
  background: var(--fact-bg);
  border: 1px solid var(--rule);
}

/* Odd facts */
.odd-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: 0.85rem;
  margin: 2.5rem 0;
}

.odd-facts h2 {
  grid-column: 1 / -1;
  font-size: 1.25rem;
  color: var(--bark);
  margin: 0 0 0.25rem;
}

.odd-fact {
  background: var(--odd-bg);
  border: 1px solid var(--rule);
  padding: 1rem;
  font-size: 0.98rem;
  line-height: 1.5;
}

.odd-fact .label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clay);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

/* Word bank */
.word-bank {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 1.35rem 1.5rem;
  margin: 2.5rem 0;
}

.word-bank h2 {
  font-size: 1.15rem;
  color: var(--bark);
  margin: 0 0 0.85rem;
}

.word-bank dl {
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.word-bank dt {
  font-weight: 700;
  color: var(--moss);
  display: inline;
}

.word-bank dd {
  display: inline;
  margin: 0;
}

.word-bank dd::after {
  content: "";
  display: block;
  margin-bottom: 0.35rem;
}

/* Sources */
.sources {
  margin: 2.5rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--bark);
  font-size: 0.92rem;
}

.sources h2 {
  font-size: 1.05rem;
  color: var(--bark);
  margin: 0 0 0.75rem;
}

.sources ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
}

.sources li {
  margin-bottom: 0.4rem;
}

/* Footer */
.site-footer {
  background: var(--bark);
  color: var(--cream);
  padding: 1.5rem 1.25rem;
  font-size: 0.85rem;
  margin-top: 2rem;
}

.site-footer-inner {
  max-width: var(--page);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer a {
  color: var(--ochre);
}

.back-top {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  background: var(--bark);
  color: var(--cream);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--ochre);
  opacity: 0.9;
  z-index: 20;
}

.back-top:hover {
  color: var(--ochre);
  opacity: 1;
}

/* Mobile contents (inline) */
.contents-mobile {
  margin: 0 0 1.5rem;
  padding: 1rem;
  background: var(--fact-bg);
  border: 1px solid var(--rule);
  font-size: 0.9rem;
}

.contents-mobile h2 {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  color: var(--muted);
}

.contents-mobile ol {
  margin: 0;
  padding-left: 1.25rem;
}

.contents-mobile a {
  color: var(--bark);
}

@media (min-width: 960px) {
  .contents-mobile {
    display: none;
  }
}

/* Print */
@media print {
  .site-header,
  .contents-rail,
  .contents-mobile,
  .back-top,
  .site-footer {
    display: none !important;
  }

  .article-page {
    display: block;
    max-width: none;
    padding: 0;
  }

  body {
    background: white;
    color: black;
    font-size: 11pt;
  }

  a {
    color: black;
    text-decoration: none;
  }

  .stat-band {
    background: #eee;
    color: black;
    border: 1px solid #999;
  }

  .stat-band .num {
    color: black;
  }
}