/* Ren Residence subpages, in the homepage's own world (index.html direction contract, src/index.css):
   bone ground with white panels, charcoal ink, one bronze accent, thin warm-grey frames around every picture,
   Marcellus capitals with wide tracking for headings, Hanken Grotesk light for text, Noto Serif/Sans SC for Chinese.
   Charcoal only for the photo hero, the figures band, the closing band and the footer, as on the homepage.
   Structure follows the approved CloutHaus / Accent PJ subpages: photo hero, figures band, plan cards, ruled tables, photo CTA. */
:root {
  --bone: #f5f4f1;
  --panel: #ffffff;
  --ink: #282828;
  --soft: #626260;
  --mute: #6f6f6b;
  --frame: #e3e0da;
  --bronze: #ba9765;
  --bronze-text: #85663a;
  --charcoal: #282828;
  --charcoal-2: #1f1f1f;
  --bn-85: rgba(245, 244, 241, .85);
  --bn-70: rgba(245, 244, 241, .7);
  --bn-60: rgba(245, 244, 241, .6);
  --bn-15: rgba(245, 244, 241, .15);
  --display: Marcellus, Optima, Georgia, serif;
  --text: "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --zh-display: "Noto Serif SC", "Songti SC", serif;
  --zh-text: "Noto Sans SC", "PingFang SC", sans-serif;
  --ease: cubic-bezier(.16, 1, .3, 1);
}
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--bone);
  scrollbar-color: var(--frame) var(--bone);
}
body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font: 300 15px/1.85 var(--text);
  caret-color: var(--bronze);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.zh body, html.zh { font-family: var(--zh-text); }
::selection { background: var(--bronze); color: #fff; }
:focus-visible { outline: 1px solid var(--bronze); outline-offset: 3px; }
a { color: inherit; -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; height: auto; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 48px; }

/* Capitals in the developer-site register: Marcellus for headings, Hanken caps for labels. */
.caps { font: 500 11px/1.6 var(--text); letter-spacing: .24em; text-transform: uppercase; }
.zh .caps { font-family: var(--zh-text); font-size: 12.5px; letter-spacing: .16em; }

/* ---- Header: wordmark left, pages centre, EN | 中文 and a bronze-underlined Register right ---- */
.top { position: absolute; inset: 0 0 auto 0; z-index: 20; color: var(--bone); }
.bar { display: flex; align-items: center; gap: 28px; height: 76px; }
.brand { margin-right: auto; font: 400 15px/1 var(--display); letter-spacing: .3em; text-transform: uppercase; text-decoration: none; white-space: nowrap; }
.brand span { font: 400 13px/1 var(--text); letter-spacing: .1em; opacity: .7; }
.links { display: flex; gap: 26px; }
.links a, .lang a, .reg { font: 500 11px/1.6 var(--text); letter-spacing: .24em; text-transform: uppercase; text-decoration: none; white-space: nowrap; }
.links a { opacity: .78; transition: opacity .2s var(--ease); }
.links a:hover, .links a[aria-current] { opacity: 1; }
.links a[aria-current] { padding-bottom: 3px; border-bottom: 1px solid var(--bronze); }
.lang { display: flex; align-items: center; gap: 8px; }
.lang a { opacity: .5; transition: opacity .2s var(--ease); }
.lang a:hover, .lang a[aria-current] { opacity: 1; }
.lang span { opacity: .3; }
.zh .links a, .zh .reg { font-family: var(--zh-text); font-size: 12.5px; letter-spacing: .18em; }
.lang a[lang="zh-CN"] { font-family: var(--zh-text); font-size: 12px; letter-spacing: .15em; }
.reg { padding-bottom: 4px; border-bottom: 1px solid var(--bronze); transition: color .2s var(--ease); }
.reg:hover { color: var(--bronze); }
.menu { display: none; }

/* ---- Hero: full-bleed developer render under the homepage's charcoal gradient ---- */
.hero { position: relative; isolation: isolate; display: flex; align-items: flex-end; min-height: 86vh; min-height: 86svh; background: var(--charcoal) var(--photo) center / cover no-repeat; color: var(--bone); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(31, 31, 31, .78) 0%, rgba(40, 40, 40, .32) 24%, rgba(31, 31, 31, .66) 50%, rgba(31, 31, 31, .9) 74%, rgba(31, 31, 31, .97) 100%); }
.hero .wrap { width: 100%; padding-top: 150px; padding-bottom: 72px; }
h1 { margin: 0 0 26px; max-width: 30ch; font: 400 clamp(1.55rem, 3.1vw, 2.6rem)/1.28 var(--display); letter-spacing: .12em; text-transform: uppercase; text-wrap: balance; }
.zh h1 { word-break: keep-all; overflow-wrap: anywhere; max-width: 22em; font-family: var(--zh-display); font-size: clamp(1.75rem, 3.4vw, 2.75rem); letter-spacing: .08em; text-transform: none; }
.lead { margin: 0; max-width: 36rem; font-size: 15px; line-height: 1.9; color: var(--bn-85); }
.zh .lead { font-size: 15.5px; }

/* ---- Figures: a ruled spec row on charcoal, as the homepage's facts are ruled on bone ---- */
.band { background: var(--charcoal-2); color: var(--bone); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); font-variant-numeric: tabular-nums lining-nums; }
.facts > div { padding: 36px 28px 38px; border-left: 1px solid var(--bn-15); }
.facts > div:first-child { padding-left: 0; border-left: 0; }
.facts b { display: block; margin-bottom: 10px; font: 400 clamp(1.6rem, 2.6vw, 2.2rem)/1.1 var(--display); letter-spacing: .06em; }
.facts span { display: block; font-size: 13px; line-height: 1.55; color: var(--bn-70); }

/* ---- Sections: full-bleed bands that alternate bone and white, ruled by a warm frame line ---- */
.sec { padding: 112px 0; }
.sec:nth-child(even) { background: var(--panel); border-top: 1px solid var(--frame); border-bottom: 1px solid var(--frame); }
h2 { margin: 0 0 22px; max-width: 24ch; font: 400 clamp(1.3rem, 2.3vw, 1.9rem)/1.3 var(--display); letter-spacing: .14em; text-transform: uppercase; text-wrap: balance; }
.zh h2 { word-break: keep-all; overflow-wrap: anywhere; font-family: var(--zh-display); font-size: clamp(1.35rem, 2.3vw, 1.85rem); letter-spacing: .06em; text-transform: none; }
.split .wrap { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 48px; align-items: start; }
.split h2 { grid-column: 1 / span 5; }
.split .sec-body { grid-column: 6 / -1; padding-top: 4px; }
.full h2 { margin-bottom: 48px; }
.sec p { margin: 0 0 16px; max-width: 34rem; color: var(--soft); }
.zh .sec p { font-size: 15.5px; }
.sec p:last-child { margin-bottom: 0; }
.sec p.note { margin-top: 24px; max-width: 36rem; font-size: 14px; line-height: 1.8; }
.sec strong { font-weight: 500; color: var(--ink); }
.sec p a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--bronze); text-underline-offset: 4px; transition: color .2s var(--ease); }
.sec p a:hover { color: var(--bronze-text); }

/* ---- Tables: hairline rows, tabular figures, no boxes ---- */
.tablewrap { overflow-x: auto; border-top: 1px solid var(--ink); -webkit-overflow-scrolling: touch; scrollbar-width: thin; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; font-variant-numeric: tabular-nums lining-nums; }
th, td { padding: 15px 22px 15px 0; text-align: left; vertical-align: top; border-bottom: 1px solid var(--frame); }
th:last-child, td:last-child { padding-right: 0; }
th { font: 500 11px/1.6 var(--text); letter-spacing: .2em; text-transform: uppercase; color: var(--soft); }
.zh th { font-family: var(--zh-text); font-size: 12.5px; letter-spacing: .1em; }
td { color: var(--soft); }
td:first-child { color: var(--ink); font-weight: 400; }
.tablewrap.wide table { min-width: 780px; }
.tablewrap.wide td:first-child, .tablewrap.wide td:nth-child(2) { white-space: nowrap; }
.zh td:first-child { min-width: 4.5em; }

/* ---- Frames: every picture hung like a print, as on the homepage ---- */
.frame { margin: 0; padding: 10px; background: var(--panel); border: 1px solid var(--frame); }
.frame img { width: 100%; }
.plate { margin: 0 0 40px; max-width: 640px; }
.plate figcaption, .shot figcaption { margin-top: 12px; color: var(--mute); }

/* ---- Plan cards: the developer's plan sheet beside its spec, alternating sides ---- */
.cards { display: flex; flex-direction: column; gap: 112px; }
.card { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 64px; align-items: center; }
.card:nth-child(even) { grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); }
.card:nth-child(even) .frame { order: 2; }
.card .frame img { object-fit: contain; }
.card h3 { margin: 0 0 10px; font: 400 clamp(1.35rem, 2vw, 1.7rem)/1.25 var(--display); letter-spacing: .14em; text-transform: uppercase; }
.zh .card h3 { font-family: var(--zh-display); letter-spacing: .05em; }
.card .spec { margin: 0 0 26px; font-size: 14px; font-variant-numeric: tabular-nums; color: var(--soft); }
.ruled { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--frame); }
.ruled li { padding: 12px 0; border-bottom: 1px solid var(--frame); font-size: 14.5px; line-height: 1.65; color: var(--soft); }
.sec-body .ruled { max-width: 38rem; margin-bottom: 24px; }
.fit { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px 22px; margin: 26px 0 0; font-size: 14.5px; line-height: 1.65; }
.fit dt { padding-top: 3px; font: 500 11px/1.6 var(--text); letter-spacing: .2em; text-transform: uppercase; color: var(--bronze-text); white-space: nowrap; }
.zh .fit dt { font-family: var(--zh-text); font-size: 12.5px; letter-spacing: .1em; }
.fit dd { margin: 0; color: var(--ink); }
.action { display: inline-block; margin-top: 30px; padding-bottom: 4px; border-bottom: 1px solid var(--bronze); font: 500 11px/1.6 var(--text); letter-spacing: .24em; text-transform: uppercase; color: var(--ink); text-decoration: none; transition: color .2s var(--ease); }
.zh .action { font-family: var(--zh-text); font-size: 12.5px; letter-spacing: .08em; }
.action:hover { color: var(--bronze-text); }

/* ---- Facility levels: the developer's level plan beside its list; framed photographs ---- */
.level { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 64px; align-items: start; }
.level .frame img { aspect-ratio: 1800 / 1012; object-fit: cover; }
.legend { margin: 0; padding: 0; list-style: none; columns: 2; column-gap: 32px; border-top: 1px solid var(--frame); }
.legend li { break-inside: avoid; padding: 11px 0; border-bottom: 1px solid var(--frame); font-size: 14.5px; color: var(--ink); }
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 64px; }
.duo figure { margin: 0; }
.duo figure:nth-child(2) { margin-top: 88px; }
.duo .frame img { aspect-ratio: 4 / 3; object-fit: cover; }
.duo figcaption { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-top: 14px; }
.cap { font: 400 14px/1.4 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--ink); }
.zh .cap { font-family: var(--zh-display); letter-spacing: .08em; }
.lvl { font-size: 12.5px; font-variant-numeric: tabular-nums; color: var(--mute); }

/* ---- Two-sided comparison: ruled columns, no fill ---- */
.compare { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); }
.compare > div { padding: 28px 44px 8px 0; }
.compare > div + div { padding-left: 44px; padding-right: 0; border-left: 1px solid var(--frame); }
.compare h3 { margin: 0 0 12px; font: 400 15px/1.4 var(--display); letter-spacing: .16em; text-transform: uppercase; color: var(--ink); }
.zh .compare h3 { font-family: var(--zh-display); letter-spacing: .08em; }
.compare p { font-size: 14.5px; }

/* ---- Distance lists, as in the homepage Location columns ---- */
.lists { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.list h3 { margin: 0 0 14px; font: 500 11px/1.6 var(--text); letter-spacing: .24em; text-transform: uppercase; color: var(--bronze-text); }
.zh .list h3 { font-family: var(--zh-text); font-size: 12.5px; letter-spacing: .12em; }
.list ul { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--frame); }
.list li { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--frame); font-size: 14px; color: var(--ink); }
.list li span:last-child { color: var(--soft); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---- FAQ: folded on load, bronze hairline plus, as on the homepage ---- */
.faq { border-top: 1px solid var(--frame); }
.qa { border-bottom: 1px solid var(--frame); }
.qa summary { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 48px; padding: 20px 0; cursor: pointer; list-style: none; }
.qa summary::-webkit-details-marker { display: none; }
.qa h3 { margin: 0; font: 400 16px/1.55 var(--display); letter-spacing: .02em; color: var(--ink); transition: color .2s var(--ease); }
.zh .qa h3 { font: 500 15.5px/1.6 var(--zh-text); letter-spacing: 0; }
.qa summary::after { content: ""; flex: none; width: 14px; height: 14px; background: linear-gradient(var(--bronze), var(--bronze)) center / 14px 1px no-repeat, linear-gradient(var(--bronze), var(--bronze)) center / 1px 14px no-repeat; transition: background-size .3s var(--ease); }
.qa[open] summary::after { background-size: 14px 1px, 1px 0; }
.qa summary:hover h3 { color: var(--bronze-text); }
.sec .qa p { margin: 0 0 24px; max-width: 60ch; padding-right: 42px; font-size: 14.5px; }

/* ---- Closing band: photograph under charcoal, the homepage's underlined action ---- */
.cta { position: relative; isolation: isolate; background: var(--charcoal) var(--photo) center / cover no-repeat; color: var(--bone); }
.cta::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(31, 31, 31, .86); }
.cta .wrap { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 36px 56px; padding-top: 128px; padding-bottom: 128px; }
.cta p { margin: 0; max-width: 32rem; font: 400 clamp(1.35rem, 2.4vw, 1.9rem)/1.45 var(--display); letter-spacing: .02em; text-wrap: balance; }
.zh .cta p { font-family: var(--zh-display); letter-spacing: .05em; text-transform: none; }
.cta .action { margin-top: 0; color: var(--bone); }
.cta .action:hover { color: var(--bronze); }

footer { padding: 56px 0 64px; background: var(--charcoal); color: var(--bn-60); font-size: 12px; line-height: 1.8; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px 40px; }
footer .mark { font: 400 15px/1 var(--display); letter-spacing: .3em; text-transform: uppercase; color: var(--bone); }
footer nav { display: flex; flex-wrap: wrap; gap: 6px 22px; }
footer nav a { text-decoration: none; color: var(--bn-70); transition: color .2s var(--ease); }
footer nav a:hover { color: var(--bone); }
footer .line { flex-basis: 100%; max-width: 34rem; padding-top: 18px; border-top: 1px solid var(--bn-15); }

/* ---- Floating WhatsApp: the homepage's bronze square ---- */
.wa { position: fixed; right: 24px; bottom: 24px; z-index: 40; display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 6px; background: var(--bronze); color: #fff; box-shadow: 0 8px 24px -8px rgba(40, 40, 40, .5); transition: background-color .2s var(--ease); }
.wa:hover { background: #9d7c4d; }
.wa svg { width: 24px; height: 24px; fill: currentColor; }

/* ---- Tablet ---- */
@media (max-width: 1180px) {
  .links { gap: 18px; }
  .bar { gap: 20px; }
  .split .wrap { display: block; }
  .split .sec-body { padding-top: 6px; }
  .card, .card:nth-child(even) { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; }
  .level { grid-template-columns: 1fr; gap: 36px; }
  .lists { grid-template-columns: 1fr 1fr; }
}

/* ---- Phone: the homepage's two-line toggle and full-width menu ---- */
@media (max-width: 1023px) {
  .wrap { padding: 0 24px; }
  .bar { height: 68px; gap: 16px; }
  .links, .bar > .lang, .bar > .reg { display: none; }
  .menu { display: block; }
  .menu summary { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 44px; height: 44px; margin-right: -10px; cursor: pointer; list-style: none; }
  .menu summary::-webkit-details-marker { display: none; }
  .menu summary span { display: block; width: 20px; height: 1px; background: currentColor; transition: transform .3s var(--ease); }
  .menu[open] summary span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu[open] summary span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .menu[open] { color: var(--ink); }
  .top:has(.menu[open]) { background: var(--bone); color: var(--ink); border-bottom: 1px solid var(--frame); }
  .panel { position: absolute; top: 68px; left: 0; right: 0; display: flex; flex-direction: column; max-height: calc(100svh - 68px); overflow-y: auto; padding: 0 24px 32px; background: var(--bone); border-bottom: 1px solid var(--frame); color: var(--ink); }
  .panel > a { padding: 16px 0; border-bottom: 1px solid var(--frame); font: 500 12px/1.6 var(--text); letter-spacing: .24em; text-transform: uppercase; text-decoration: none; }
  .zh .panel > a { font-family: var(--zh-text); font-size: 14px; letter-spacing: .08em; }
  .panel > a[aria-current] { color: var(--bronze-text); }
  .panel-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 24px; }
  .panel-foot .reg { padding-top: 10px; }
  .panel-foot .lang a { padding: 10px 0; }

  .hero { min-height: 90vh; min-height: 90svh; }
  .hero .wrap { padding-top: 120px; padding-bottom: 52px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts > div, .facts > div:first-child { padding: 26px 16px 28px 0; border-left: 0; border-top: 1px solid var(--bn-15); }
  .facts > div:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--bn-15); }
  .facts > div:nth-child(-n+2) { border-top: 0; }
  .sec { padding: 84px 0; }
  .full h2 { margin-bottom: 32px; }
  .cards { gap: 80px; }
  .card, .card:nth-child(even) { grid-template-columns: 1fr; gap: 32px; }
  .card:nth-child(even) .frame { order: 0; }
  .card .frame { max-width: 460px; }
  .duo { grid-template-columns: 1fr; gap: 40px; margin-top: 48px; }
  .duo figure:nth-child(2) { margin-top: 0; }
  .compare, .lists { grid-template-columns: 1fr; }
  .compare > div, .compare > div + div { padding: 24px 0 8px; border-left: 0; }
  .compare > div + div { border-top: 1px solid var(--frame); }
  .cta .wrap { padding-top: 88px; padding-bottom: 88px; }
  footer { padding-bottom: 96px; }
}
@media (max-width: 560px) {
  .facts b { font-size: 1.4rem; }
  .legend { columns: 1; }
  .fit { grid-template-columns: 1fr; gap: 4px; }
  .fit dd { margin-bottom: 10px; }
  .qa p { padding-right: 0; }
  .sec .qa p { padding-right: 0; }
}
@media (max-width: 400px) {
  .wrap { padding: 0 20px; }
  .facts b { font-size: 1.45rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}