/* QHTOUR English edition — editorial expedition journal
   Colours are sampled from the existing brand mark (orange) and the
   Qinghai landscape (salt white, plateau ink). No external CSS framework.

   Typography audit (2026-11-15): hero container restored to the shared
   --gutter grid; content is visible without JavaScript; type measure
   capped at ~70ch; small-text contrast raised; section rhythm tightened. */

:root {
  --ink: #16232c;
  --ink-soft: #2f414b;
  --paper: #f7f5f0;
  --surface: #ece9e1;
  --surface-2: #e3e9e7;
  --accent: #e2521f;
  --accent-dark: #bd3d13;
  --muted: #4f5e68;       /* darkened from #5e6c72 for AA small-text contrast */
  --line: rgba(22, 35, 44, .16);
  --line-strong: rgba(22, 35, 44, .34);
  --white: #fffdf9;

  --font-display: "Instrument Serif", Georgia, serif;
  --font-body: "DM Sans", "Helvetica Neue", Arial, sans-serif;

  --maxw: 1240px;
  --gutter: clamp(22px, 5vw, 72px);
  --section: clamp(76px, 10vw, 148px);
  --radius: 2px;
  --ease: cubic-bezier(.2, .7, .25, 1);

  /* 4px-based spacing scale */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-6: 24px; --sp-8: 32px; --sp-12: 48px; --sp-16: 64px;
  --measure: 70ch;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.68;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
::selection { background: var(--accent); color: var(--white); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.018em;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(3.1rem, 7.4vw, 6.6rem); }
h2 { font-size: clamp(2.2rem, 4.4vw, 3.9rem); }
h3 { font-size: clamp(1.45rem, 2.1vw, 2rem); line-height: 1.18; }
h4 { font-size: 1.2rem; }
p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 650; }
em { font-family: var(--font-display); font-style: italic; }
small { font-size: .78em; }

.container { width: min(100% - (var(--gutter) * 2), var(--maxw)); margin-inline: auto; }
.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(52px, 6vw, 88px); }
.section--surface { background: var(--surface); border-block: 1px solid rgba(22, 35, 44, .07); }
.section--ink { background: var(--ink); color: var(--paper); }
.section--ink h2, .section--ink h3 { color: var(--paper); }
.section--ink a:not(.btn) { color: var(--paper); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .7rem; font-weight: 650; letter-spacing: .19em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; flex-shrink: 0; }
.eyebrow--light { color: #f2a37f; }

.lead { font-size: clamp(1.06rem, 1.5vw, 1.28rem); line-height: 1.6; color: var(--ink-soft); max-width: 64ch; }
.section--ink .lead { color: #cdd6d8; }
.section-head { max-width: 760px; margin-bottom: clamp(38px, 5vw, 72px); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .lead { margin-inline: auto; }
.section-head--center .eyebrow { justify-content: center; }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  min-height: 52px; padding: 13px 26px;
  font-size: .82rem; font-weight: 650; letter-spacing: .075em; text-transform: uppercase;
  border: 1px solid transparent; border-radius: var(--radius);
  transition: background .24s var(--ease), color .24s var(--ease), transform .24s var(--ease), border-color .24s var(--ease);
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 4px;
}
.btn--primary { background: var(--accent); color: var(--white); }
.btn--primary:hover { background: var(--accent-dark); }
.btn--outline { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn--outline:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.btn--light { border-color: rgba(247,245,240,.5); color: var(--paper); background: transparent; }
.btn--light:hover { background: var(--paper); color: var(--ink); }
.btn .arr { font-size: 1.05em; transition: transform .24s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

.textlink {
  font-size: .82rem; font-weight: 650; letter-spacing: .06em; text-transform: uppercase;
  border-bottom: 1px solid var(--accent); padding-bottom: 3px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.textlink:hover { color: var(--accent); border-color: transparent; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(247, 245, 240, .93);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  width: min(100% - (var(--gutter) * 2), var(--maxw));
  margin-inline: auto; min-height: 78px;
  display: flex; align-items: center; gap: 30px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 40px; height: 40px; border-radius: 1px; }
.brand-name {
  display: block; font-size: 1.06rem; font-weight: 700; letter-spacing: .115em; line-height: 1.1;
}
.brand-sub {
  display: block; font-size: .68rem; letter-spacing: .11em; text-transform: uppercase;
  color: var(--muted); margin-top: 4px;
}
.main-nav { margin-left: auto; }
.main-nav ul {
  display: flex; align-items: center; gap: clamp(14px, 2vw, 30px);
  list-style: none; margin: 0; padding: 0;
}
.main-nav a {
  font-size: .82rem; font-weight: 550; letter-spacing: .015em;
  padding: 8px 0; position: relative; white-space: nowrap;
  transition: color .2s var(--ease);
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 2px;
  height: 1px; background: var(--accent); transition: right .28s var(--ease);
}
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { right: 0; }
.main-nav a[aria-current="page"] { color: var(--accent); }
.main-nav .nav-lang a { color: var(--accent); font-weight: 650; }
.main-nav .nav-lang a::after, .main-nav .nav-lang a:hover::after { display: none; }
.header-cta { margin-left: 6px; min-height: 42px; padding: 9px 18px; font-size: .72rem; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 10px; margin-left: auto; }
.nav-toggle span { display: block; width: 24px; height: 1.5px; background: var(--ink); margin: 5px 0; transition: transform .25s var(--ease), opacity .25s var(--ease); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  font-size: .72rem; letter-spacing: .09em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 26px;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span[aria-current] { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: min(84vh, 780px);
  display: flex; align-items: flex-end;
  color: var(--paper); overflow: hidden;
  background: var(--ink);
}
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 46%; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(12,22,28,.90) 0%, rgba(12,22,28,.66) 42%, rgba(12,22,28,.14) 100%),
              linear-gradient(0deg, rgba(12,22,28,.62) 0%, transparent 55%);
}
/* FIX: do not override .container's width. Previously width:100% made the
   hero copy span the full viewport, cutting the headline on narrow screens. */
.hero__inner { position: relative; z-index: 2; min-width: 0; padding-block: clamp(60px, 9vw, 110px); }
.hero__copy { max-width: 780px; min-width: 0; }
.hero h1 { color: var(--paper); margin-bottom: 26px; overflow-wrap: break-word; }
.hero h1 em { color: #f4a982; }
.hero__sub { font-size: clamp(1.02rem, 1.45vw, 1.22rem); line-height: 1.62; color: #e2e6e4; max-width: 58ch; margin-bottom: 32px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
/* Four evenly divided facts with hairline separators, instead of a loose flex row */
.hero__meta {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0; margin-top: clamp(40px, 5vw, 64px);
  padding-top: 22px; border-top: 1px solid rgba(247,245,240,.28);
  font-size: .72rem; letter-spacing: .09em; text-transform: uppercase; color: #d6dedd;
}
.hero__meta > span { padding-right: 18px; border-right: 1px solid rgba(247,245,240,.22); }
.hero__meta > span + span { padding-left: 22px; }
.hero__meta > span:last-child { border-right: 0; padding-right: 0; }
.hero__meta b { display: block; font-family: var(--font-display); font-size: 1.75rem; font-weight: 400; letter-spacing: 0; color: var(--paper); text-transform: none; margin-bottom: 2px; line-height: 1.1; }

/* Definition card — answer-first block. Two columns keep the measure readable. */
.definition {
  background: var(--white); color: var(--ink);
  border: 1px solid var(--line); border-top: 3px solid var(--accent);
  padding: clamp(28px, 3.4vw, 46px);
  display: grid; grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
  gap: clamp(18px, 3vw, 44px); align-items: start;
}
.definition__label {
  font-size: .68rem; font-weight: 650; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); line-height: 1.7; padding-top: 6px;
}
.definition p { margin: 0; font-size: clamp(1.06rem, 1.5vw, 1.3rem); line-height: 1.62; font-weight: 500; max-width: var(--measure); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding-block: clamp(64px, 8vw, 108px) clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); }
.page-hero .lead { margin-top: 24px; max-width: 68ch; }
.page-hero__meta {
  display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 30px;
  font-size: .72rem; letter-spacing: .09em; text-transform: uppercase; color: var(--muted);
}

/* ---------- Fact strip ---------- */
.facts {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.fact { padding: 30px 24px 30px 0; border-right: 1px solid var(--line); }
.fact:last-child { border-right: 0; padding-right: 0; }
.fact:not(:first-child) { padding-left: 26px; }
.fact dt { font-size: .68rem; letter-spacing: .15em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.fact dd { margin: 0; font-family: var(--font-display); font-size: clamp(1.8rem, 2.9vw, 2.8rem); line-height: 1; font-variant-numeric: tabular-nums; }
.fact dd small { font-family: var(--font-body); font-size: .72rem; letter-spacing: .04em; color: var(--muted); margin-left: 4px; }

/* ---------- Answer-first prose ---------- */
.answer-block { border-top: 2px solid var(--ink); padding-top: 24px; }
.answer-block > p:first-of-type { font-size: clamp(1.1rem, 1.7vw, 1.4rem); line-height: 1.52; font-weight: 500; }
.prose { max-width: 68ch; }
.prose h2 { font-size: clamp(1.9rem, 3vw, 2.8rem); margin: 0 0 18px; }
.prose h3 { margin: 34px 0 12px; }
.prose ul, .prose ol { padding-left: 1.2em; margin: 0 0 1.3em; }
.prose li { margin-bottom: .55em; }
.prose a:not(.btn) { border-bottom: 1px solid var(--accent); }
.prose a:not(.btn):hover { color: var(--accent); }

/* ---------- Split layout ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(36px, 6vw, 92px); align-items: start; }
.split__media { position: relative; overflow: hidden; }
.split__media img { width: 100%; height: 100%; min-height: 380px; object-fit: cover; }
.split__caption { font-size: .72rem; letter-spacing: .06em; color: var(--muted); margin-top: 10px; }

/* ---------- Tour rows (editorial list, not cards) ---------- */
.tour-list { border-top: 2px solid var(--ink); }
.tour-row {
  display: grid; grid-template-columns: 62px minmax(0, 1fr) 168px 42px;
  gap: 24px; align-items: start;
  padding: clamp(26px, 3.2vw, 42px) 0;
  border-bottom: 1px solid var(--line);
  transition: background .25s var(--ease), padding .25s var(--ease);
}
.tour-row:hover { background: rgba(226,82,31,.035); padding-inline: 14px; }
.tour-row__no { font-family: var(--font-display); font-size: 1.6rem; color: var(--accent); line-height: 1; }
.tour-row h3 { margin-bottom: 10px; }
.tour-row p { color: var(--ink-soft); font-size: .96rem; max-width: 62ch; margin-bottom: 14px; }
.tour-row__route { font-size: .78rem; letter-spacing: .03em; color: var(--ink-soft); }
.tour-row__side { text-align: right; font-size: .82rem; color: var(--muted); }
.tour-row__side b { display: block; font-family: var(--font-display); font-size: 1.5rem; font-weight: 400; color: var(--ink); }
.tour-row__go { font-size: 1.3rem; align-self: center; color: var(--accent); transition: transform .25s var(--ease); }
.tour-row:hover .tour-row__go { transform: translateX(5px); }
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.chip {
  font-size: .68rem; letter-spacing: .06em; text-transform: uppercase;
  border: 1px solid var(--line); padding: 4px 10px; color: var(--muted);
}

/* ---------- Places grid ---------- */
.places-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.place { position: relative; overflow: hidden; background: var(--ink); min-height: 300px; display: block; }
.place--wide { grid-column: span 7; min-height: 440px; }
.place--narrow { grid-column: span 5; min-height: 440px; }
.place--third { grid-column: span 4; min-height: 330px; }
.place img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); opacity: .88; }
.place:hover img { transform: scale(1.045); }
.place::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10,20,26,.88) 0%, rgba(10,20,26,.05) 65%); }
.place__body { position: absolute; inset: auto 0 0 0; z-index: 2; padding: clamp(22px, 2.6vw, 34px); color: var(--paper); }
.place__body h3 { color: var(--paper); margin-bottom: 8px; }
.place__body p { font-size: .88rem; color: #dbe2e2; max-width: 46ch; margin: 0; }
.place__cn { display: block; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: #f4a982; margin-bottom: 10px; }

/* ---------- Two-column article with sticky contents ---------- */
.article-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(36px, 7vw, 100px); align-items: start; }
.toc { position: sticky; top: 104px; border-top: 2px solid var(--ink); padding-top: 18px; }
.toc__title { font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.toc ol { list-style: none; padding: 0; margin: 0; counter-reset: toc; }
.toc li { counter-increment: toc; margin-bottom: 11px; font-size: .86rem; line-height: 1.35; }
.toc li::before { content: counter(toc, decimal-leading-zero); color: var(--accent); font-size: .68rem; margin-right: 10px; font-variant-numeric: tabular-nums; }
.toc a:hover { color: var(--accent); }
.article-body { max-width: 78ch; }
.article-body > section { scroll-margin-top: 100px; padding-bottom: clamp(38px, 4.5vw, 66px); margin-bottom: clamp(38px, 4.5vw, 66px); border-bottom: 1px solid var(--line); }
.article-body > section:last-child { border-bottom: 0; margin-bottom: 0; }
.article-body h2 { font-size: clamp(1.9rem, 3.2vw, 3rem); margin-bottom: 20px; }
.article-body h3 { margin: 30px 0 10px; }
.article-body p { color: var(--ink-soft); }
.article-body .answer { color: var(--ink); font-size: 1.12rem; font-weight: 500; line-height: 1.55; margin-bottom: 20px; max-width: var(--measure); }
.article-body ul { padding-left: 1.15em; }
.article-body li { margin-bottom: .5em; color: var(--ink-soft); }
.article-body a:not(.btn) { border-bottom: 1px solid var(--accent); }
.article-body a:not(.btn):hover { color: var(--accent); }

/* ---------- Data table ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: 24px 0; }
.data-table caption { text-align: left; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding-bottom: 12px; }
.data-table th, .data-table td { text-align: left; padding: 13px 14px 13px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table thead th { border-top: 2px solid var(--ink); border-bottom: 1px solid var(--ink); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 650; }
.data-table tbody th { font-weight: 600; width: 27%; }
.data-table td { color: var(--ink-soft); }
.data-table tbody tr { transition: background .2s var(--ease); }
.data-table tbody tr:hover { background: rgba(22, 35, 44, .028); }

/* ---------- Note / caveat ---------- */
.note {
  background: var(--surface-2); border-top: 2px solid var(--ink);
  padding: 22px 26px; margin: 26px 0; font-size: .9rem;
}
.note strong { display: block; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 8px; }

/* ---------- FAQ ---------- */
.qa-list { border-top: 2px solid var(--ink); }
.qa-item { border-bottom: 1px solid var(--line); }
.qa-item summary {
  display: flex; justify-content: space-between; align-items: baseline; gap: 20px;
  padding: 22px 0; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-size: clamp(1.2rem, 1.8vw, 1.6rem); line-height: 1.3;
}
.qa-item summary::-webkit-details-marker { display: none; }
.qa-item summary::after { content: "+"; color: var(--accent); font-family: var(--font-body); font-size: 1.3rem; flex-shrink: 0; }
.qa-item[open] summary::after { content: "\2212"; }
.qa-item summary:hover { color: var(--accent); }
.qa-item__ans { max-width: var(--measure); padding: 0 0 26px; color: var(--ink-soft); }
.qa-item__ans p:first-child { font-size: 1.04rem; color: var(--ink); font-weight: 500; }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink); color: var(--paper);
  padding: clamp(38px, 5vw, 74px);
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 36px; align-items: center;
}
.cta-band h2 { font-size: clamp(1.9rem, 3.2vw, 3rem); color: var(--paper); margin-bottom: 14px; }
.cta-band p { color: #cdd6d8; max-width: 56ch; margin: 0; }
.cta-band__actions { display: flex; flex-direction: column; gap: 12px; min-width: 240px; }

/* ---------- Contact channels ---------- */
.channels { border-top: 2px solid var(--ink); }
.channel {
  display: grid; grid-template-columns: 168px minmax(0, 1fr) auto;
  gap: 24px; align-items: center; padding: 26px 0; border-bottom: 1px solid var(--line);
}
.channel__label { font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: var(--muted); }
.channel__value { font-family: var(--font-display); font-size: clamp(1.3rem, 2vw, 1.85rem); }
.channel__hint { font-family: var(--font-body); font-size: .84rem; color: var(--muted); display: block; margin-top: 4px; }
.channel__btn { min-height: 44px; padding: 9px 18px; font-size: .72rem; }

/* ---------- Answer-first blocks ---------- */
.answer { color: var(--ink); font-size: 1.08rem; font-weight: 500; line-height: 1.55; margin-bottom: 18px; }
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3.5vw, 52px); }
.trio__item { border-top: 2px solid var(--ink); padding-top: 22px; }
.trio__no { display: block; font-size: .7rem; letter-spacing: .18em; color: var(--accent); margin-bottom: 20px; font-variant-numeric: tabular-nums; }
.trio__item h3 { margin-bottom: 14px; min-height: 2.36em; }
.trio__item .answer { font-size: .98rem; font-weight: 400; color: var(--ink-soft); line-height: 1.62; }
.trio__item .answer strong { color: var(--ink); }
.trio__item .textlink { display: inline-block; margin-top: 14px; }
.section-foot { margin-top: 34px; }
/* Keep the rule full-width so it aligns with the FAQ rows below, while the
   answer itself stays at a readable measure. */
.answer-block--spaced { margin-bottom: 64px; max-width: none; }
.answer-block--spaced > p:first-of-type { max-width: 68ch; }

/* ---------- Tour detail ---------- */
.tour-detail { scroll-margin-top: 100px; padding: clamp(30px, 4vw, 56px) 0; border-top: 1px solid var(--ink); }
.tour-detail h2 { margin-bottom: 18px; }
.tour-detail .answer { max-width: var(--measure); font-size: 1.12rem; }
.tour-route { font-size: .92rem; line-height: 1.7; color: var(--ink-soft); max-width: 84ch; border-top: 1px solid var(--line); padding-top: 18px; margin-top: 22px; }
.tour-route b { color: var(--ink); }
.tour-best { font-size: .9rem; color: var(--muted); margin-top: 22px; }
.tour-best b { color: var(--ink); }

/* ---------- FAQ groups ---------- */
.faq-group { margin-bottom: clamp(48px, 6vw, 82px); }
.faq-group h2 { font-size: clamp(1.8rem, 2.8vw, 2.6rem); margin-bottom: 26px; }

/* ---------- Utilities ---------- */
.split--spaced { margin-top: 42px; }
.fact--text dd { font-family: var(--font-body); font-size: 1rem; line-height: 1.55; font-weight: 400; }
.fact--text dd small { font-size: .78rem; }

/* ---------- Values / why list ---------- */
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 clamp(30px, 5vw, 74px); }
.value { padding: 28px 0; border-top: 1px solid var(--line); }
.value__no { font-size: .68rem; letter-spacing: .16em; color: var(--accent); margin-bottom: 12px; }
.value h3 { margin-bottom: 10px; }
.value p { color: var(--ink-soft); font-size: .95rem; max-width: 48ch; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--paper); padding-top: clamp(56px, 7vw, 96px); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.15fr; gap: clamp(28px, 4vw, 64px); padding-bottom: 52px; }
.footer-brand img { width: 46px; height: 46px; margin-bottom: 18px; }
.footer-brand h4 { font-family: var(--font-body); font-size: 1rem; font-weight: 700; letter-spacing: .11em; margin-bottom: 12px; }
.footer-brand p { font-size: .87rem; color: #c3ced0; max-width: 40ch; }
.footer-legal { font-size: .74rem !important; color: #a3b2b5 !important; margin-top: 18px; }
.footer-col h4 { font-family: var(--font-body); font-size: .7rem; font-weight: 650; letter-spacing: .16em; text-transform: uppercase; color: #f4a982; margin-bottom: 18px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; font-size: .88rem; }
.footer-col a { color: #d3dcdd; }
.footer-col a:hover { color: var(--white); border-bottom: 1px solid var(--accent); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px;
  border-top: 1px solid rgba(247,245,240,.18); padding: 22px 0 30px;
  font-size: .76rem; color: #a6b4b7;
}
.footer-bottom a:hover { color: var(--white); }
.footer-sources { font-size: .74rem; color: #a3b2b5; padding-bottom: 24px; }
.footer-sources a { color: #c3ced0; border-bottom: 1px solid rgba(247,245,240,.3); }

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent); color: var(--white);
  padding: 12px 18px; border-radius: 40px;
  font-size: .78rem; font-weight: 650; letter-spacing: .04em;
  box-shadow: 0 6px 24px rgba(22,35,44,.24);
  transition: transform .24s var(--ease), background .24s var(--ease);
}
.wa-float:hover { transform: translateY(-3px); background: var(--accent-dark); }
.wa-float svg { width: 19px; height: 19px; fill: currentColor; }

/* ---------- Visibility ----------
   All content is visible in the HTML with no JavaScript. Scroll reveals were
   removed: an IntersectionObserver that never fires leaves opacity:0 blocks,
   which is both unreadable and bad for search/answer-engine extraction.
   Only the hero photograph gets a purely decorative settle animation. */
.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .hero__img { animation: hero-settle 1.1s var(--ease) both; }
  @keyframes hero-settle { from { transform: scale(1.035); } to { transform: scale(1); } }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .main-nav ul { gap: 14px; }
  .main-nav a { font-size: .76rem; }
  .header-cta { display: none; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-col--contact { grid-column: 1 / -1; }
  .hero__meta > span + span { padding-left: 16px; }
}
@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 78px 0 auto 0; margin: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 18px var(--gutter) 30px;
    display: none; box-shadow: 0 18px 30px rgba(22,35,44,.09);
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav li { border-bottom: 1px solid var(--line); }
  .main-nav a { display: block; padding: 15px 0; font-size: 1rem; }
  .main-nav a::after { display: none; }
  .split, .cta-band, .article-layout { grid-template-columns: 1fr; }
  .toc { position: static; }
  .toc ol { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 20px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(2) { border-right: 0; }
  .fact:nth-child(3), .fact:nth-child(4) { border-top: 1px solid var(--line); }
  .fact:nth-child(3) { padding-left: 0; }
  .tour-row { grid-template-columns: 42px minmax(0, 1fr) 34px; }
  .tour-row__side { grid-column: 2; text-align: left; }
  .place--wide, .place--narrow, .place--third { grid-column: span 12; min-height: 320px; }
  .values, .trio { grid-template-columns: 1fr; }
  .trio__item { max-width: 62ch; }
  .trio__item h3 { min-height: 0; }
  .channel { grid-template-columns: 1fr auto; }
  .channel__label { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .definition { grid-template-columns: 1fr; gap: 14px; }
  .definition__label { padding-top: 0; }
  .hero__meta { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
  .hero__meta > span, .hero__meta > span + span, .hero__meta > span:last-child {
    padding: 0; border-right: 0;
  }
}
@media (max-width: 560px) {
  .hero { min-height: 72vh; }
  .brand-name { font-size: .95rem; letter-spacing: .06em; }
  .brand-sub { display: none; }
  .hero h1 { font-size: clamp(2.25rem, 10vw, 2.9rem); letter-spacing: -.025em; }
  .hero__sub { font-size: .98rem; max-width: 100%; }
  .hero__actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .hero__actions .btn { padding-inline: 10px; font-size: .7rem; letter-spacing: .035em; gap: 8px; }
  .hero__meta b { font-size: 1.4rem; }
  .tour-row { grid-template-columns: 34px minmax(0, 1fr) 26px; gap: 14px; }
  .cta-band__actions { min-width: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .channel { grid-template-columns: 1fr; }
  .channel__btn { justify-self: start; }
  .toc ol { grid-template-columns: 1fr; }
  .data-table { font-size: .84rem; }
  .data-table th, .data-table td { padding-right: 8px; }
  .wa-float { right: 14px; bottom: 14px; padding: 13px; border-radius: 50%; }
  .wa-float span { display: none; }
  .wa-float svg { width: 22px; height: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
@media print {
  .site-header, .wa-float, .cta-band, .site-footer { display: none; }
  body { font-size: 11pt; }
}
