/* ==========================================================================
   China Source Concierge — design system
   1 token  2 reset  3 type  4 layout  5 chrome  6 components  7 responsive  8 rtl
   Rule: components read --bg / --fg / --fg-soft / --line-2 / --card-bg so a
   .section--ink parent inverts them automatically.
   ========================================================================== */

/* 1 — tokens ============================================================== */
:root {
  --paper:      #f4f1ea;
  --paper-2:    #fbf9f5;
  --sand:       #e7dfd0;
  --sand-2:     #dcd2bf;
  --ink:        #131a1c;
  --ink-2:      #35454a;
  --muted:      #66757a;
  --jade:       #17564d;
  --jade-2:     #2c7a6b;
  --cinnabar:   #a8341f;
  --gold:       #9a7b45;

  --fg:         var(--ink);
  --fg-soft:    var(--ink-2);
  --bg:         var(--paper);
  --line-2:     rgba(19, 26, 28, .14);
  --card-bg:    #fffdf8;

  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
                  Georgia, "Songti SC", "Source Han Serif SC", serif;
  --font-sans:    "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue",
                  "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC",
                  Arial, sans-serif;
  --font-mono:    "SF Mono", "JetBrains Mono", "Cascadia Mono", Consolas, "Liberation Mono", monospace;

  --w-wrap:    1240px;
  --w-narrow:  820px;
  --pad:       clamp(20px, 4.4vw, 48px);
  --gap:       clamp(20px, 2.6vw, 36px);
  --sect:      clamp(64px, 8vw, 116px);

  --r-sm: 3px;
  --r-md: 6px;
  --r-lg: 14px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --shadow-1: 0 1px 2px rgba(19, 26, 28, .05), 0 8px 28px -18px rgba(19, 26, 28, .3);
  --shadow-2: 0 2px 6px rgba(19, 26, 28, .07), 0 26px 60px -32px rgba(19, 26, 28, .45);

  color-scheme: light;
}

/* 2 — reset =============================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  background: var(--paper);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: .002em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
ul, ol { padding-inline-start: 1.15em; }
li { margin-block: .3em; }
a { color: inherit; text-decoration: none; }
hr { border: 0; border-block-start: 1px solid var(--line-2); }

:focus-visible {
  outline: 2px solid var(--jade-2);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: var(--sand-2); color: var(--ink); }

.skip {
  position: absolute;
  inset-block-start: -100px;
  inset-inline-start: 16px;
  z-index: 200;
  background: var(--ink);
  color: var(--paper-2);
  padding: .6em 1em;
  border-radius: var(--r-sm);
  transition: inset-block-start .18s var(--ease);
}
.skip:focus { inset-block-start: 12px; }

/* 3 — type ================================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.018em;
  text-wrap: balance;
}

h1, .h1 {
  font-size: clamp(2.35rem, 1.35rem + 3.6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -.028em;
}

h2, .h2 {
  font-size: clamp(1.75rem, 1.15rem + 2.1vw, 3.05rem);
  line-height: 1.07;
}

h3, .h3 {
  font-size: clamp(1.15rem, 1.03rem + .5vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: -.01em;
}

h4, .h4 {
  font-family: var(--font-sans);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  line-height: 1.4;
}

p { text-wrap: pretty; }

.lead {
  font-size: clamp(1.0625rem, .99rem + .38vw, 1.28rem);
  line-height: 1.6;
  color: var(--fg-soft);
  max-width: 62ch;
}

.body { max-width: 68ch; color: var(--fg-soft); }
.body > * + * { margin-block-start: .9em; }

.small { font-size: .875rem; line-height: 1.55; color: var(--muted); }
.mono {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: .6em;
  font-family: var(--font-sans);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--jade);
  margin-block-end: clamp(14px, 1.8vw, 22px);
}
.eyebrow::before {
  content: "";
  inline-size: 26px;
  block-size: 1px;
  background: currentColor;
  opacity: .55;
  flex: none;
}
.section--ink .eyebrow { color: #9fd9c9; }

.kicker-num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--cinnabar);
}
.section--ink .kicker-num { color: #e2a08f; }

strong, b { font-weight: 600; }
em { font-style: italic; }
.muted { color: var(--muted); }
.center { text-align: center; }
.center > .eyebrow { justify-content: center; }
.center > .lead, .center > .body { margin-inline: auto; }

/* 4 — layout ============================================================== */
.wrap {
  width: 100%;
  max-width: var(--w-wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}
.wrap--narrow { max-width: var(--w-narrow); }

.section {
  position: relative;
  padding-block: var(--sect);
}
.section--tight { padding-block: calc(var(--sect) * .62); }
.section--sand { background: var(--sand); --card-bg: #fdfbf6; --line-2: rgba(19,26,28,.16); }
.section--sand-alt { background: var(--paper-2); }

.section--ink {
  background: var(--ink);
  color: #f0ebe1;
  --fg: #f0ebe1;
  --fg-soft: #b6c2c1;
  --line-2: rgba(240, 235, 225, .17);
  --card-bg: rgba(255, 255, 255, .035);
  --muted: #93a2a2;
}
.section--ink .muted { color: #93a2a2; }

.section__head { margin-block-end: clamp(30px, 4vw, 56px); max-width: 52ch; }
.section__head--wide { max-width: 72ch; }
.section__head > * + * { margin-block-start: 1.1em; }

.grid { display: grid; gap: var(--gap); }
/* forgiving aliases: pages sometimes write .grid--3 without .grid */
.grid--2, .grid--3, .grid--4, .grid--5 { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
/* five cards: three on top, two centred underneath */
.grid--5 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid--5 > * { grid-column: span 2; }
.grid--5 > :nth-child(4) { grid-column: 2 / span 2; }
.grid--split { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: clamp(28px, 5vw, 72px); }
.grid--split-r { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); align-items: center; gap: clamp(28px, 5vw, 72px); }

.stack > * + * { margin-block-start: clamp(16px, 2vw, 26px); }
.stack--sm > * + * { margin-block-start: 12px; }
.stack--lg > * + * { margin-block-start: clamp(28px, 3.6vw, 48px); }

.hr {
  block-size: 1px;
  background: var(--line-2);
  border: 0;
  margin-block: clamp(28px, 4vw, 52px);
}

/* 5 — chrome: topbar, header, nav, lang, burger =========================== */
.topbar {
  background: var(--ink);
  color: #d8d2c6;
  font-size: .78rem;
  letter-spacing: .02em;
}
.topbar__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-block-size: 38px;
  padding-block: 6px;
}
.topbar__txt { margin: 0; display: flex; align-items: center; gap: .6em; }
.topbar__txt::before {
  content: "";
  inline-size: 6px; block-size: 6px;
  border-radius: 50%;
  background: var(--cinnabar);
  flex: none;
}
.topbar__link {
  color: #fff;
  border-block-end: 1px solid rgba(255,255,255,.35);
  padding-block-end: 1px;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.topbar__link:hover { border-color: #fff; }

.hdr {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-block-end: 1px solid transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.hdr.is-scrolled {
  border-block-end-color: var(--line-2);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
}
.hdr__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 40px);
  min-block-size: 74px;
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .62em;
  color: var(--fg);
  flex: none;
}
.brand__mark { color: var(--jade); display: block; }
.brand__txt {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  letter-spacing: -.01em;
  line-height: 1.05;
  display: flex;
  flex-direction: column;
}
.brand__txt em {
  font-style: normal;
  font-family: var(--font-sans);
  font-size: .62rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--muted);
  margin-block-start: .34em;
}
.brand--ftr { color: #f0ebe1; }
.brand--ftr .brand__mark { color: #8fc7b8; }
.brand--ftr .brand__txt em { color: #8b9a99; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.7vw, 28px);
  margin-inline-start: auto;
}
.nav > a:not(.btn) {
  position: relative;
  font-size: .875rem;
  color: var(--fg-soft);
  padding-block: 6px;
  white-space: nowrap;
  transition: color .2s var(--ease);
}
.nav > a:not(.btn)::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  block-size: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: inline-start;
  transition: transform .25s var(--ease);
}
.nav > a:not(.btn):hover { color: var(--fg); }
.nav > a:not(.btn):hover::after,
.nav > a[aria-current="page"]::after { transform: scaleX(1); }
.nav > a[aria-current="page"] { color: var(--fg); }

.hdr__tools { display: flex; align-items: center; gap: 10px; flex: none; }

.lang { position: relative; }
.lang__btn {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  font-size: .78rem;
  letter-spacing: .04em;
  padding: 7px 9px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  color: var(--fg-soft);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.lang__btn:hover { border-color: var(--fg); color: var(--fg); }
.lang__menu {
  position: absolute;
  inset-block-start: calc(100% + 8px);
  inset-inline-end: 0;
  min-inline-size: 156px;
  list-style: none;
  padding: 6px;
  margin: 0;
  background: var(--card-bg);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-2);
  z-index: 120;
}
.lang__menu li { margin: 0; }
.lang__menu a {
  display: block;
  padding: 7px 10px;
  border-radius: 4px;
  font-size: .85rem;
  color: var(--fg-soft);
}
.lang__menu a:hover { background: var(--sand); color: var(--ink); }
.lang__menu a[aria-current="true"] { color: var(--jade); font-weight: 600; }

.burger {
  display: none;
  inline-size: 40px;
  block-size: 40px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  position: relative;
}
.burger span {
  position: absolute;
  inset-inline: 11px;
  block-size: 1.5px;
  background: currentColor;
  transition: transform .25s var(--ease), opacity .2s;
}
.burger span:nth-child(1) { inset-block-start: 15px; }
.burger span:nth-child(2) { inset-block-start: 22px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* body lock when drawer open */
body.is-locked { overflow: hidden; }

/* 6 — components ========================================================== */

/* buttons */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper-2);
  --btn-bd: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .62em;
  padding: 14px 22px;
  min-block-size: 46px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: var(--r-sm);
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .015em;
  line-height: 1;
  text-align: center;
  transition: transform .18s var(--ease), background .22s var(--ease),
              color .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-1); }
.btn:active { transform: translateY(0); }
.btn--primary { --btn-bg: var(--jade); --btn-fg: #f6f3ea; }
.btn--primary:hover { --btn-bg: #11453e; }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--fg); --btn-bd: var(--line-2); }
.btn--ghost:hover { --btn-bd: var(--fg); }
.btn--light { --btn-bg: #f0ebe1; --btn-fg: var(--ink); }
.btn--sm { padding: 10px 16px; min-block-size: 38px; font-size: .8125rem; }
.btn--block { width: 100%; }
.section--ink .btn--ghost { --btn-fg: #f0ebe1; --btn-bd: rgba(240,235,225,.32); }
.section--ink .btn--ghost:hover { --btn-bd: #f0ebe1; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-size: .875rem;
  font-weight: 500;
  color: var(--fg);
  border-block-end: 1px solid var(--line-2);
  padding-block-end: 3px;
  transition: gap .2s var(--ease), border-color .2s var(--ease);
}
.link-arrow::after { content: "→"; font-size: .95em; transition: transform .2s var(--ease); }
.link-arrow:hover { border-color: var(--fg); gap: .7em; }
html[dir="rtl"] .link-arrow::after { content: "←"; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* hero */
.hero {
  position: relative;
  padding-block: clamp(44px, 6vw, 86px) clamp(56px, 7vw, 104px);
  overflow: clip;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
}
.hero__copy > * + * { margin-block-start: clamp(16px, 2vw, 24px); }
.hero h1 {
  max-width: 22ch;
  font-size: clamp(2.15rem, 1.12rem + 2.85vw, 3.5rem);
  line-height: 1.04;
}
.hero__lead { max-width: 46ch; }
.hero__media { position: relative; }
.hero__media img,
.hero__media svg { width: 100%; height: auto; border-radius: var(--r-lg); }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-block-start: 1px solid var(--line-2);
  padding-block-start: clamp(18px, 2.4vw, 28px);
}
.hero__stats > div { padding-inline-end: 14px; }
.hero__stats > div + div {
  padding-inline-start: clamp(14px, 2vw, 26px);
  border-inline-start: 1px solid var(--line-2);
}

/* stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 40px);
}
.stat__n {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -.03em;
  display: block;
}
.stat__l {
  display: block;
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-block-start: .85em;
  line-height: 1.4;
}

/* cards */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.card__media {
  position: relative;
  aspect-ratio: 3 / 2;
  background: var(--sand);
  overflow: hidden;
}
.card__media img, .card__media svg {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.card__body {
  display: flex;
  flex-direction: column;
  gap: .7em;
  padding: clamp(18px, 2.2vw, 28px);
  flex: 1;
}
.card__kicker {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cinnabar);
}
.card__title { font-size: clamp(1.12rem, 1.02rem + .35vw, 1.32rem); line-height: 1.24; }
.card__text { font-size: .925rem; line-height: 1.6; color: var(--fg-soft); }
.card__meta {
  margin-block-start: auto;
  padding-block-start: 1em;
  border-block-start: 1px solid var(--line-2);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: transparent; }
.card:hover .card__media img, .card:hover .card__media svg { transform: scale(1.035); }
.card--link { cursor: pointer; }
.card--link a.card__hit {
  position: absolute;
  inset: 0;
  z-index: 3;
}
.card--row { flex-direction: row; align-items: stretch; }
.card--row .card__media { flex: 0 0 38%; aspect-ratio: auto; min-block-size: 100%; }
.card--row .card__body { flex: 1 1 auto; }
.card--plain { background: transparent; border: 0; border-block-start: 1px solid var(--line-2); border-radius: 0; }
.card--plain:hover { transform: none; box-shadow: none; }
.section--ink .card { border-color: rgba(240,235,225,.16); }

/* figures */
.fig { display: block; position: relative; }
.fig img, .fig svg { width: 100%; border-radius: var(--r-md); background: var(--sand); }
.fig--wide { aspect-ratio: 16 / 9; overflow: hidden; }
.fig--tall { aspect-ratio: 4 / 5; overflow: hidden; }
.fig--sq { aspect-ratio: 1 / 1; overflow: hidden; }
.fig--wide img, .fig--tall img, .fig--sq img { height: 100%; object-fit: cover; }
.fig__cap {
  margin-block-start: .85em;
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--muted);
  display: flex;
  gap: .6em;
}
.fig__cap::before { content: "—"; opacity: .6; }

/* steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  overflow: hidden;
}
.step {
  background: var(--bg);
  padding: clamp(20px, 2.6vw, 34px);
  display: flex;
  flex-direction: column;
  gap: .7em;
}
.section--ink .step { background: #182022; }
.section--sand .step { background: #fdfbf6; }
.step__n {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--cinnabar);
}
.step__t { font-family: var(--font-display); font-size: 1.24rem; line-height: 1.2; }
.step__d { font-size: .9rem; line-height: 1.6; color: var(--fg-soft); }

/* timeline */
.timeline { border-block-start: 1px solid var(--line-2); }
.tl {
  display: grid;
  grid-template-columns: minmax(84px, 132px) minmax(0, 1fr);
  gap: clamp(14px, 3vw, 40px);
  padding-block: clamp(18px, 2.2vw, 26px);
  border-block-end: 1px solid var(--line-2);
}
.tl__day {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--jade);
  padding-block-start: .3em;
}
.tl__body > * + * { margin-block-start: .5em; }
.tl__body h3 { font-size: 1.14rem; }
.tl__body p { font-size: .925rem; color: var(--fg-soft); max-width: 60ch; }

/* checklist */
.list-check { list-style: none; padding: 0; margin: 0; display: grid; gap: .62em; }
.list-check li {
  position: relative;
  padding-inline-start: 1.7em;
  margin: 0;
  font-size: .94rem;
  color: var(--fg-soft);
  line-height: 1.5;
}
.list-check li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: .5em;
  inline-size: .7em;
  block-size: .4em;
  border-inline-start: 1.5px solid var(--jade-2);
  border-block-end: 1.5px solid var(--jade-2);
  transform: rotate(-45deg);
}

/* quote */
.quote {
  background: var(--card-bg);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  padding: clamp(22px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 1.1em;
}
.quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.06rem, .98rem + .4vw, 1.32rem);
  line-height: 1.45;
  letter-spacing: -.01em;
}
.quote blockquote::before { content: "“"; }
.quote blockquote::after { content: "”"; }
.quote__by { font-size: .78rem; letter-spacing: .06em; color: var(--muted); margin-block-start: auto; }

/* faq */
.faq {
  border-block-end: 1px solid var(--line-2);
}
.faq summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-block: clamp(16px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, .96rem + .3vw, 1.18rem);
  line-height: 1.35;
  transition: color .2s var(--ease);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-sans);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--muted);
  flex: none;
  transition: transform .25s var(--ease), color .2s;
}
.faq[open] summary::after { transform: rotate(45deg); color: var(--jade); }
.faq summary:hover { color: var(--jade); }
.faq__a {
  padding-block-end: clamp(18px, 2vw, 26px);
  max-width: 66ch;
  color: var(--fg-soft);
  font-size: .95rem;
  line-height: 1.65;
}
.faq__a > * + * { margin-block-start: .8em; }

/* form */
.form { display: grid; gap: clamp(16px, 2vw, 22px); }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 2vw, 22px); }
.field { display: flex; flex-direction: column; gap: .5em; }
.label {
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-soft);
}
.label .req { color: var(--cinnabar); margin-inline-start: .25em; }
.input, .select, .textarea {
  inline-size: 100%;
  padding: 12px 13px;
  min-block-size: 46px;
  background: var(--card-bg);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  font-size: .95rem;
  color: var(--fg);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.textarea { min-block-size: 132px; resize: vertical; line-height: 1.55; }
.input::placeholder, .textarea::placeholder { color: #9aa5a6; }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--jade-2);
  box-shadow: 0 0 0 3px rgba(44, 122, 107, .14);
}
.input:user-invalid { border-color: var(--cinnabar); }
.hint { font-size: .78rem; color: var(--muted); line-height: 1.5; }
.form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block-start: 4px;
}
.form__status { font-size: .875rem; }
.form__status[data-state="ok"] { color: var(--jade); }
.form__status[data-state="err"] { color: var(--cinnabar); }
.form--hp { position: absolute; inset-inline-start: -9999px; opacity: 0; pointer-events: none; }
.form-aside {
  background: var(--card-bg);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  padding: clamp(20px, 2.6vw, 32px);
}

/* table */
.table { inline-size: 100%; border-collapse: collapse; font-size: .9rem; }
.table caption {
  text-align: start;
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-block-end: .9em;
}
.table th, .table td {
  text-align: start;
  padding: .78em .9em;
  border-block-end: 1px solid var(--line-2);
  vertical-align: top;
}
.table thead th {
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  border-block-end-color: var(--fg);
}
.table tbody tr:last-child td { border-block-end: 0; }
.table td.num, .table th.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.table-wrap { overflow-x: auto; }

/* CTA band */
.cta {
  position: relative;
  background: var(--jade);
  color: #f3f0e7;
  border-radius: var(--r-lg);
  padding: clamp(28px, 4.5vw, 62px);
  overflow: hidden;
}
.cta::after {
  content: "";
  position: absolute;
  inset-block-start: -40%;
  inset-inline-end: -10%;
  inline-size: 46%;
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  pointer-events: none;
}
.cta__in { position: relative; display: grid; grid-template-columns: minmax(0,1.4fr) minmax(0,.6fr); gap: clamp(22px, 4vw, 56px); align-items: end; }
.cta h2 { max-width: 22ch; }
.cta p { color: #cfe0d8; margin-block-start: .9em; max-width: 46ch; }
.cta .btn-row { justify-content: flex-end; }
.cta .btn--light { --btn-bg: #f3f0e7; --btn-fg: #17564d; }
.cta .btn--ghost { --btn-fg: #f3f0e7; --btn-bd: rgba(243, 240, 231, .42); }
.cta .btn--ghost:hover { --btn-bd: #f3f0e7; }

/* breadcrumb */
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55em;
  font-size: .78rem;
  color: var(--muted);
  padding-block: clamp(18px, 2.4vw, 26px) 0;
}
.crumb a { color: var(--fg-soft); }
.crumb a:hover { color: var(--jade); }
.crumb span[aria-current] { color: var(--fg); }

/* pills / tags */
.pill {
  display: inline-flex;
  align-items: center;
  gap: .45em;
  padding: 5px 11px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: .73rem;
  letter-spacing: .06em;
  color: var(--fg-soft);
  white-space: nowrap;
}
.pill--jade { border-color: rgba(23,86,77,.32); color: var(--jade); background: rgba(23,86,77,.06); }
.section--ink .pill--jade { color: #9fd9c9; border-color: rgba(159,217,201,.3); background: rgba(159,217,201,.07); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* page header band */
.phead { padding-block: clamp(30px, 4.4vw, 64px) clamp(28px, 4vw, 52px); }
.phead h1 { max-width: 20ch; }
.phead .lead { margin-block-start: 1.1em; }
.phead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-block-start: clamp(18px, 2.4vw, 26px);
  font-size: .8rem;
  color: var(--muted);
}

/* media split / side note */
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(26px, 4.6vw, 64px); align-items: start; }
.note {
  border-inline-start: 2px solid var(--cinnabar);
  padding-inline-start: 1em;
  font-size: .88rem;
  color: var(--fg-soft);
  line-height: 1.6;
}

/* index list (used for city / itinerary indexes) */
.idx-list { list-style: none; padding: 0; margin: 0; border-block-start: 1px solid var(--line-2); }
.idx-list li { margin: 0; }
.idx {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: clamp(12px, 2vw, 26px);
  align-items: center;
  padding-block: clamp(18px, 2.4vw, 28px);
  border-block-end: 1px solid var(--line-2);
  transition: background .22s var(--ease), padding-inline .25s var(--ease);
}
.idx:hover { background: rgba(19,26,28,.028); padding-inline: 12px; }
.idx__n { font-family: var(--font-mono); font-size: .76rem; color: var(--muted); }
.idx__t { font-family: var(--font-display); font-size: clamp(1.15rem, 1rem + .7vw, 1.7rem); line-height: 1.15; }
.idx__d { font-size: .88rem; color: var(--fg-soft); margin-block-start: .35em; max-width: 62ch; }
.idx__go { font-size: .8rem; color: var(--jade); white-space: nowrap; }
.idx__go::after { content: " →"; }

/* footer */
.ftr {
  background: #101718;
  color: #cfc9bd;
  padding-block: clamp(46px, 6vw, 76px) 0;
  font-size: .9rem;
}
.ftr__in {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: clamp(26px, 4vw, 56px);
  padding-block-end: clamp(34px, 4vw, 56px);
}
.ftr__blurb { margin-block-start: 1.1em; max-width: 34ch; color: #a9b1ae; font-size: .875rem; line-height: 1.65; }
.ftr__contact { list-style: none; padding: 0; margin-block-start: 1.2em; }
.ftr__contact a { color: #e6dfd3; border-block-end: 1px solid rgba(230,223,211,.25); }
.ftr__contact a:hover { border-color: #e6dfd3; }
.ftr__h {
  font-family: var(--font-sans);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #8d9997;
  margin-block-end: 1.1em;
}
.ftr__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5em; }
.ftr__col a { color: #d6cfc2; font-size: .88rem; }
.ftr__col a:hover { color: #fff; }
.ftr__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px;
  border-block-start: 1px solid rgba(255,255,255,.1);
  font-size: .76rem;
  color: #8d9997;
}
.ftr__base p { margin: 0; }

/* page-level alignment fixes: the FAQ list should line up with the page heading */
.page-faq .wrap--narrow { max-width: var(--w-wrap); }
.page-faq .section__head { max-width: 62ch; }

/* utilities */
.flip-rtl { transform: none; }
html[dir="rtl"] .flip-rtl { transform: scaleX(-1); }
.hide { display: none !important; }
.nowrap { white-space: nowrap; }
.mt-0 { margin-block-start: 0 !important; }
.mt-s { margin-block-start: 12px; }
.mt-m { margin-block-start: 22px; }
.mt-l { margin-block-start: 34px; }
.mb-m { margin-block-end: 22px; }
.measure { max-width: 62ch; }
.sr-only {
  position: absolute;
  inline-size: 1px; block-size: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }

/* 7 — responsive ========================================================== */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ftr__in { grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); }
  .nav { gap: 16px; }
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__media { max-width: 760px; }
  .hero h1 { max-width: 24ch; }
  .hero__stats .stat__n { font-size: clamp(1.7rem, 1.2rem + 1.7vw, 2.7rem); }
  .hero__stats .stat__l { font-size: .72rem; letter-spacing: .08em; }
}

@media (max-width: 960px) {
  .hero__grid, .grid--split, .grid--split-r, .split, .cta__in { grid-template-columns: minmax(0, 1fr); }
  .hero h1 { max-width: 22ch; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 > :last-child:nth-child(odd) { grid-column: span 2; }
  .grid--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--5 > *, .grid--5 > :nth-child(4) { grid-column: auto; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
  .hero__stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cta .btn-row { justify-content: flex-start; }
  .ftr__in { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* mobile nav drawer */
  .burger { display: block; }
  .nav {
    position: fixed;
    inset: 0;
    inset-block-start: 0;
    z-index: 90;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    padding: 96px var(--pad) 40px;
    background: var(--paper);
    transform: translateY(-102%);
    visibility: hidden;
    transition: transform .42s var(--ease), visibility .42s;
    overflow-y: auto;
  }
  .nav.is-open { transform: none; visibility: visible; }
  .nav > a:not(.btn) {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 6vw, 2.1rem);
    padding-block: .5em;
    border-block-end: 1px solid var(--line-2);
    color: var(--fg);
  }
  .nav > a:not(.btn)::after { display: none; }
  .nav__cta { margin-block-start: 26px; min-block-size: 52px; font-size: .95rem; }
  .hdr__tools { z-index: 95; }
  .lang__btn span { display: none; }
  .lang__btn { padding: 7px; }
}

@media (max-width: 720px) {
  .topbar__in { justify-content: center; text-align: center; }
  .topbar__link { display: none; }
  .grid--2, .grid--3, .grid--4, .grid--5 { grid-template-columns: minmax(0, 1fr); }
  .grid--3 > :last-child:nth-child(odd) { grid-column: auto; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .form__row { grid-template-columns: minmax(0, 1fr); }
  .card--row { flex-direction: column; }
  .card--row .card__media { flex: none; aspect-ratio: 3 / 2; }
  .idx { grid-template-columns: 38px minmax(0, 1fr); }
  .idx__go { display: none; }
  .tl { grid-template-columns: minmax(0, 1fr); gap: .4em; }
  .hero__stats { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .hero__stats > div { padding-block: 12px; padding-inline: 0; }
  .hero__stats > div + div { padding-inline-start: 0; border-inline-start: 0; border-block-start: 1px solid var(--line-2); }
  .ftr__in { grid-template-columns: minmax(0, 1fr); }
  .ftr__base { flex-direction: column; }
  .cta { border-radius: var(--r-md); }
  .quote { padding: 20px; }
}

@media (max-width: 420px) {
  .btn { width: 100%; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .link-arrow { justify-content: center; }
}

/* 8 — rtl ================================================================= */
html[dir="rtl"] body { font-family: "Noto Naskh Arabic", "Geeza Pro", "Segoe UI", Tahoma, var(--font-sans); }
html[dir="rtl"] h1,
html[dir="rtl"] h2,
html[dir="rtl"] h3,
html[dir="rtl"] .step__t,
html[dir="rtl"] .idx__t,
html[dir="rtl"] .quote blockquote {
  font-family: "Noto Naskh Arabic", "Geeza Pro", "Segoe UI", Tahoma, serif;
  letter-spacing: 0;
  line-height: 1.35;
}
html[dir="rtl"] .eyebrow,
html[dir="rtl"] .card__kicker,
html[dir="rtl"] .label,
html[dir="rtl"] .mono { letter-spacing: .04em; }
html[dir="rtl"] .list-check li::before { transform: rotate(45deg); }
html[dir="rtl"] .steps { direction: rtl; }
html[dir="rtl"] .stat__n,
html[dir="rtl"] .hero__stats .stat__n {
  font-size: clamp(1.55rem, 1.1rem + 1.75vw, 2.55rem);
  line-height: 1.2;
  letter-spacing: 0;
}
html[dir="rtl"] .stats { gap: clamp(18px, 2.4vw, 32px); }

/* CJK */
html[lang="zh"] { --font-display: "Songti SC", "Source Han Serif SC", "Noto Serif SC", "STSong", "SimSun", Georgia, serif; }
html[lang="zh"] h1, html[lang="zh"] h2, html[lang="zh"] h3 { letter-spacing: 0; line-height: 1.22; }
html[lang="zh"] .hero h1 { line-height: 1.18; }
html[lang="zh"] .eyebrow, html[lang="zh"] .label, html[lang="zh"] .card__kicker { letter-spacing: .12em; }
html[lang="ru"] h1, html[lang="ru"] h2 { letter-spacing: -.01em; }

/* motion / contrast preferences */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

@media (prefers-contrast: more) {
  :root { --line-2: rgba(19,26,28,.3); --muted: #4d5a5e; }
}

@media print {
  .topbar, .hdr, .ftr, .cta, .skip { display: none; }
  body { background: #fff; color: #000; }
  .section { padding-block: 18px; }
}