/* Layout concept: an owner's handbook. Chapters read in a single 68ch column,
   with a "Short answer" card up top on every page and chapter numbers that
   reflect the guide's real reading order. */
:root {
  --paper: #f6f7f5;
  --sheet: #ffffff;
  --ink: #0c1e28;
  --ink-soft: #4a5862;
  --rule: #d6dcd9;
  --tab: #05624c;        /* exit green from the logo: links, chapter tabs, primary CTA */
  --tab-ink: #ffffff;
  --tab-wash: #e4f1eb;
  --warn: #a8321c;
  --warn-wash: #fbebe6;
  --mark: #fff1b8;       /* highlighter for key facts */

  --f-display: "Montserrat", "Avenir Next", "Segoe UI", Arial, sans-serif;
  --f-body: "Public Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --f-mono: "Montserrat", "Avenir Next", "Segoe UI", Arial, sans-serif; /* labels: tracked caps like the logo's TIMESHARE */

  --s-1: 0.875rem; --s0: 1.0625rem; --s1: 1.25rem; --s2: 1.6rem; --s3: 2.1rem; --s4: 2.9rem;
  --measure: 68ch;
  --wrap: 1120px;
  --radius: 6px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1518; --sheet: #161e22; --ink: #e9eef0; --ink-soft: #a7b3b9; --rule: #2a363c;
    --tab: #4fc49a; --tab-ink: #07130e; --tab-wash: #12302a; --warn: #f08a72; --warn-wash: #3a1d16;
    --mark: #4a4220; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1518; --sheet: #161e22; --ink: #e9eef0; --ink-soft: #a7b3b9; --rule: #2a363c;
  --tab: #4fc49a; --tab-ink: #07130e; --tab-wash: #12302a; --warn: #f08a72; --warn-wash: #3a1d16;
  --mark: #4a4220; color-scheme: dark;
}

[hidden] { display: none !important; }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--f-body); font-size: var(--s0); line-height: 1.65;
}
img { max-width: 100%; height: auto; }
a { color: var(--tab); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--tab); outline-offset: 3px; border-radius: 3px; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--sheet); padding: 8px 12px; z-index: 10; }

/* Header */
.site-head { border-bottom: 1px solid var(--rule); background: var(--sheet); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand .mark { height: 46px; width: auto; flex: none; }
.wordmark { display: grid; line-height: 1; gap: 4px; font-family: var(--f-display); color: var(--ink); }
.wordmark small { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.42em; text-transform: uppercase; }
.wordmark b { font-size: 1.5rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.01em; }
.wordmark em { font-style: normal; color: var(--tab); }
.mark-dark { display: none !important; }
.foot-logo { display: inline-block; }
.full-logo { height: 110px; width: auto; }
.nav { display: flex; align-items: center; gap: 6px 20px; flex-wrap: wrap; font-size: var(--s-1); font-weight: 600; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a:hover { color: var(--tab); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--tab); color: var(--tab-ink) !important; font-weight: 700; text-decoration: none;
  border: 0; border-radius: var(--radius); padding: 12px 20px; font-size: 1rem; font-family: var(--f-body); cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.small { padding: 8px 14px; font-size: var(--s-1); }
.btn.ghost { background: transparent; color: var(--ink) !important; border: 1.5px solid var(--ink); }

/* Type */
h1, h2, h3 { font-family: var(--f-display); font-weight: 700; line-height: 1.15; letter-spacing: -0.015em; text-wrap: balance; margin: 0; }
h1 { font-weight: 800; }
h1 { font-size: clamp(2rem, 5vw, var(--s4)); }
h2 { font-size: clamp(1.5rem, 3.2vw, var(--s3)); }
h3 { font-size: var(--s1); font-family: var(--f-body); font-weight: 700; }
.eyebrow { font-family: var(--f-mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-soft); }
.lede { font-size: var(--s1); color: var(--ink-soft); max-width: 60ch; }
mark { background: var(--mark); color: inherit; padding: 0 2px; }

/* Home hero */

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); grid-template-areas: "copy quiz" "answer quiz"; gap: 28px 48px; align-items: start; }
.hero-copy { grid-area: copy; display: grid; gap: 20px; min-width: 0; }
.hero-quiz { grid-area: quiz; min-width: 0; }
.hero-answer { grid-area: answer; }
.hero-answer > a { font-weight: 600; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "copy" "quiz" "answer"; } }
.quiz-head { display: grid; gap: 6px; }
.quiz-head .eyebrow { color: var(--tab); }
.quiz-title { font-size: clamp(1.35rem, 2.6vw, 1.7rem); font-weight: 800; line-height: 1.2; }
.quiz .step legend { font-family: var(--f-body); font-weight: 700; font-size: var(--s1); line-height: 1.3; }
.quiz-note { margin: 0; font-size: 0.8rem; color: var(--ink-soft); }
.hero-quiz .quiz { box-shadow: 0 1px 0 var(--rule), 0 12px 32px -18px rgba(20, 32, 41, 0.35); border-top: 4px solid var(--ink); }

/* Short answer card (AEO) */
.answer {
  background: var(--sheet); border: 1px solid var(--rule); border-top: 4px solid var(--tab);
  border-radius: var(--radius); padding: 20px 22px; display: grid; gap: 10px; min-width: 0;
}
.answer .eyebrow { color: var(--tab); }
.answer p { margin: 0; }
.answer ul { margin: 0; padding-left: 1.1em; display: grid; gap: 4px; }

/* Chapters index */
.chapters { padding-block: 24px 56px; }
.chapters ol { list-style: none; padding: 0; margin: 24px 0 0; border-top: 1px solid var(--rule); }
.chapters li { border-bottom: 1px solid var(--rule); }
.chapters ol a { display: grid; grid-template-columns: 4.5rem 1fr auto; gap: 16px; align-items: baseline; padding-block: 18px; color: var(--ink); text-decoration: none; }
.chapters ol a:hover h3 { color: var(--tab); }
.ch-num { font-family: var(--f-mono); font-weight: 700; color: var(--tab); font-size: 0.9rem; letter-spacing: 0.08em; font-variant-numeric: tabular-nums; }
.chapters h3 { font-family: var(--f-display); font-weight: 700; font-size: var(--s1); }
.chapters p { margin: 4px 0 0; color: var(--ink-soft); }
.chapters .go { font-family: var(--f-mono); font-size: var(--s-1); color: var(--ink-soft); }
@media (max-width: 600px) { .chapters .go { display: none; } }

.band { background: var(--sheet); border-block: 1px solid var(--rule); padding-block: 48px; }
.band .grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 24px; }
.band .grid3 > div { min-width: 0; display: grid; gap: 6px; align-content: start; }
@media (max-width: 760px) { .band .grid3 { grid-template-columns: 1fr; } }

/* Article */
.crumbs { font-size: var(--s-1); color: var(--ink-soft); padding-block: 20px 0; }
.crumbs a { color: var(--ink-soft); }
.article-head { padding-block: 16px 28px; display: grid; gap: 14px; max-width: 820px; }
.byline { font-size: var(--s-1); color: var(--ink-soft); display: flex; gap: 6px 16px; flex-wrap: wrap; }
.article { display: grid; grid-template-columns: minmax(0, var(--measure)) 260px; gap: 56px; padding-bottom: 64px; }
.article > aside { min-width: 0; display: grid; gap: 28px; align-content: start; position: sticky; top: calc(env(safe-area-inset-top, 0px) + 16px); align-self: start; }
@media (max-width: 960px) { .article { grid-template-columns: minmax(0, 1fr); gap: 32px; } .article > aside { order: -1; position: static; } .article > aside .related { display: none; } }
.prose { min-width: 0; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 2.2em; scroll-margin-top: 16px; }
.prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.25em; display: grid; gap: 6px; }
.prose p { margin-bottom: 0; }
.toc { display: grid; gap: 10px; font-size: var(--s-1); }
.toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; border-left: 2px solid var(--rule); }
.toc a { color: var(--ink-soft); text-decoration: none; display: block; padding-left: 12px; margin-left: -2px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--tab); border-left-color: var(--tab); }
@media (max-width: 960px) { .toc { position: static; background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: 16px; } }

.callout { border-radius: var(--radius); padding: 16px 18px; background: var(--tab-wash); }
.callout.warn { background: var(--warn-wash); }
.callout strong:first-child { display: block; margin-bottom: 4px; }
.callout.warn strong:first-child { color: var(--warn); }
.callout p { margin: 0; }

.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet); }
table { border-collapse: collapse; width: 100%; font-size: 0.97rem; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-size: var(--s-1); text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); font-weight: 700; }
tr:last-child td { border-bottom: 0; }
td.num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }

.letter { background: var(--sheet); border: 1px dashed var(--ink-soft); border-radius: var(--radius); padding: 20px; font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 0.9rem; line-height: 1.6; white-space: pre-wrap; overflow-x: auto; }

.cta-box { background: var(--ink); color: var(--paper); border-radius: var(--radius); padding: 26px; display: grid; gap: 12px; }
.cta-box h2, .cta-box h3 { color: var(--paper); margin: 0; }
.cta-box p { margin: 0; color: var(--paper); opacity: 0.85; }
.cta-box .btn { justify-self: start; }

.faq details { border-bottom: 1px solid var(--rule); padding-block: 14px; }
.faq summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--f-mono); color: var(--tab); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 10px 0 0; }

.sources { font-size: var(--s-1); color: var(--ink-soft); }
.sources ol { padding-left: 1.2em; }

.related { display: grid; gap: 10px; }
.related a { display: block; padding: 12px 14px; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet); text-decoration: none; color: var(--ink); }
.related a:hover { border-color: var(--tab); }
.related .ch-num { display: block; font-size: 0.75rem; }

/* Calculator */
.calc { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: 20px; display: grid; gap: 16px; }
.calc .fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 640px) { .calc .fields { grid-template-columns: 1fr; } }
.calc .out { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.calc .stat { border-top: 2px solid var(--tab); padding-top: 8px; }
.calc .stat b { display: block; font-family: var(--f-mono); font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.calc .stat span { font-size: var(--s-1); color: var(--ink-soft); }

/* Forms */
label { display: grid; gap: 6px; font-weight: 600; font-size: 0.95rem; }
input, select { font: inherit; font-weight: 400; padding: 11px 12px; border: 1.5px solid var(--rule); border-radius: var(--radius); background: var(--paper); color: var(--ink); width: 100%; min-width: 0; }
input:focus, select:focus { border-color: var(--tab); outline: none; }

.review { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; padding-block: 8px 64px; }
@media (max-width: 900px) { .review { grid-template-columns: 1fr; } }
.quiz { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: 24px; display: grid; gap: 18px; min-width: 0; }
.progress { height: 6px; background: var(--rule); border-radius: 99px; overflow: hidden; }
.progress i { display: block; height: 100%; width: 0; background: var(--tab); transition: width .3s ease; }
.step { display: grid; gap: 14px; }
.step legend { font-family: var(--f-display); font-weight: 700; font-size: var(--s2); line-height: 1.2; padding: 0; margin-bottom: 8px; }
.step fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 10px; min-width: 0; }
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.choices button { font: inherit; font-weight: 700; padding: 14px; border-radius: var(--radius); border: 1.5px solid var(--rule); background: var(--paper); color: var(--ink); cursor: pointer; }
.choices button:hover, .choices button[aria-pressed="true"] { border-color: var(--tab); background: var(--tab-wash); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .row2, .choices { grid-template-columns: 1fr; } }
.consent { font-size: 0.8rem; line-height: 1.5; color: var(--ink-soft); display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.consent input { width: auto; margin-top: 3px; flex: none; }
.back { background: none; border: 0; color: var(--ink-soft); font: inherit; font-size: var(--s-1); cursor: pointer; justify-self: start; padding: 0; text-decoration: underline; }
.err { color: var(--warn); font-size: var(--s-1); margin: 0; }

/* Blog hub */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; padding-block: 8px 64px; }
.cards a { display: grid; gap: 8px; align-content: start; padding: 20px; background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); color: var(--ink); text-decoration: none; }
.cards a:hover { border-color: var(--tab); }
.cards h2 { font-size: var(--s1); }
.cards p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* Footer */
.site-foot { border-top: 1px solid var(--rule); background: var(--sheet); padding-block: 40px; font-size: var(--s-1); color: var(--ink-soft); }
.site-foot .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.site-foot ul { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 6px; }
.site-foot a { color: var(--ink-soft); }
.site-foot .disclose { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--rule); max-width: 90ch; display: grid; gap: 6px; }
.site-foot .disclose p { margin: 0; }
@media (max-width: 700px) { .site-foot .cols { grid-template-columns: 1fr; } }

.legal { max-width: var(--measure); padding-bottom: 64px; }
.legal h2 { font-size: var(--s2); margin-top: 1.8em; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Vacation scenes */
.scene { margin: 0; display: grid; gap: 8px; }
.scene img { display: block; width: 100%; height: clamp(180px, 30vw, 340px); object-fit: cover; border-radius: var(--radius); background: var(--tab-wash); }
.scene figcaption { font-size: var(--s-1); color: var(--ink-soft); font-style: italic; }
.wrap > .scene { margin-bottom: 36px; }
.hero { padding-block: 24px 40px; }
.hero-scene img { height: clamp(170px, 26vw, 300px); }
@media (min-width: 861px) { .hero-quiz { margin-top: -150px; position: relative; } .hero-scene { margin-bottom: 32px; } }
.chapters ol a { grid-template-columns: 3.5rem 132px minmax(0, 1fr) auto; }
.chapters .thumb { width: 132px; height: 76px; object-fit: cover; border-radius: 4px; align-self: center; }
@media (max-width: 600px) { .chapters ol a { grid-template-columns: 3rem minmax(0, 1fr); } .chapters .thumb { display: none; } }

@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .mark-light { display: none !important; } :root:not([data-theme="light"]) .mark-dark { display: inline-block !important; } }
:root[data-theme="dark"] .mark-light { display: none !important; }
:root[data-theme="dark"] .mark-dark { display: inline-block !important; }

.thanks { text-align: center; gap: 12px; padding-block: 8px; }
.thanks-title { font-size: clamp(2rem, 4.5vw, 2.6rem); font-weight: 800; }
.thanks-sub { font-family: var(--f-display); font-weight: 700; font-size: var(--s1); line-height: 1.4; margin: 0; }
.thanks p { margin: 0; }
.call { display: grid; gap: 8px; }
.call-num { font-family: var(--f-display); font-weight: 800; font-size: 1.6rem; color: var(--tab); }
.case { font-size: var(--s-1); color: var(--ink-soft); }
.case strong { font-family: var(--f-display); color: var(--ink); letter-spacing: 0.04em; }