/* ============================================================
   FINCHWOOD INTERIORS v2 — 「人生，以厘米计」site system
   Tokens AA-verified. K2D self-hosted + system CJK stack.
   ============================================================ */
@font-face{font-family:'K2D';font-style:normal;font-weight:200;font-display:swap;src:url('assets/fonts/k2d-200.woff2') format('woff2')}
@font-face{font-family:'K2D';font-style:normal;font-weight:300;font-display:swap;src:url('assets/fonts/k2d-300.woff2') format('woff2')}
@font-face{font-family:'K2D';font-style:normal;font-weight:400;font-display:swap;src:url('assets/fonts/k2d-400.woff2') format('woff2')}
@font-face{font-family:'K2D';font-style:normal;font-weight:600;font-display:swap;src:url('assets/fonts/k2d-600.woff2') format('woff2')}

:root{
  --ink:#222528;--cream:#f0e7d6;--paper:#f8f4ec;--white:#fff;
  --terra:#b36242;--terra-deep:#8a4a30;--olive:#636d46;--olive-deep:#4e5637;
  --muted:#5c5d57;--body:#43453f;--line:rgba(34,37,40,.16);
  --sans:'K2D',-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-weight:300;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--olive-deep);outline-offset:3px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--cream);padding:10px 18px;z-index:300}
.skip-link:focus{left:0}
.container{width:min(1200px,calc(100% - 40px));margin:auto}
.eyebrow{text-transform:uppercase;letter-spacing:.22em;font-size:.72rem;font-weight:600;color:var(--olive-deep)}
.display{font-weight:200;line-height:1.08;letter-spacing:-.01em}
:lang(zh-Hans) .display{line-height:1.2;letter-spacing:.01em}
:lang(zh-Hans) .eyebrow{letter-spacing:.3em}
.section{padding:100px 0}
.muted{color:var(--muted)}
.answer{font-size:1.08rem;color:var(--body);max-width:720px}
.answer b{color:var(--ink);font-weight:600}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--ink);padding:14px 24px;text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;font-weight:600;transition:.25s;cursor:pointer;background:transparent;color:var(--ink)}
.btn:hover{background:var(--ink);color:var(--cream)}
.btn.fill{background:var(--olive-deep);border-color:var(--olive-deep);color:var(--cream)}
.btn.fill:hover{background:var(--ink);border-color:var(--ink)}
.btn.terra{background:var(--terra-deep);border-color:var(--terra-deep);color:var(--cream)}
.btn.terra:hover{background:var(--ink);border-color:var(--ink)}
.btn.light{border-color:var(--cream);color:var(--cream)}
.btn.light:hover{background:var(--cream);color:var(--ink)}
:lang(zh-Hans) .btn{letter-spacing:.28em;font-size:.8rem}

/* header */
.announcement{background:var(--ink);color:var(--cream);text-align:center;padding:9px 16px;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}
:lang(zh-Hans) .announcement{letter-spacing:.3em}
.site-header{position:sticky;top:0;z-index:90;background:rgba(248,244,236,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{height:78px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand-logo{height:34px;width:auto}
.brand-sub{font-size:.58rem;letter-spacing:.42em;text-transform:uppercase;border-left:1px solid var(--line);padding-left:12px;font-weight:600;color:var(--olive-deep)}
.nav-links{display:flex;gap:22px;font-size:.74rem;text-transform:uppercase;letter-spacing:.12em}
.nav-links a:hover{color:var(--terra-deep)}
.nav .btn{padding:11px 18px}
.lang-link{border:1px solid var(--line);padding:8px 12px;font-size:.7rem;letter-spacing:.1em}
.lang-link:hover{border-color:var(--ink)}
.menu-btn{display:none;border:0;background:none;font-size:1.5rem;cursor:pointer;padding:6px 10px}
.mobile-menu{display:none;padding:20px;border-top:1px solid var(--line)}
.mobile-menu.open{display:grid;gap:16px}
.mobile-menu a{text-transform:uppercase;letter-spacing:.13em;font-size:.8rem}

/* scroll ruler (desktop) */
.scroll-ruler{position:fixed;right:0;top:0;bottom:0;width:64px;z-index:80;pointer-events:none;display:flex;flex-direction:column;align-items:flex-end;padding:96px 0 24px}
.sr-track{position:relative;flex:1;width:64px;
  background:repeating-linear-gradient(to bottom,transparent 0,transparent 9px,var(--line) 9px,var(--line) 10px) right/14px 100% no-repeat,
             repeating-linear-gradient(to bottom,transparent 0,transparent 49px,rgba(34,37,40,.4) 49px,rgba(34,37,40,.4) 50px) right/22px 100% no-repeat}
.sr-line{position:absolute;right:0;top:0;bottom:0;width:2px;background:rgba(34,37,40,.55)}
.sr-marker{position:absolute;right:6px;transform:translateY(-50%);display:flex;align-items:center;gap:8px;transition:top .08s linear}
.sr-marker .dot{width:9px;height:9px;border-radius:50%;background:var(--terra)}
.sr-cm{font-family:'K2D';font-weight:600;font-size:.72rem;color:var(--terra-deep);letter-spacing:.05em;background:var(--paper);padding:2px 5px;white-space:nowrap}
.sr-bird{width:16px;height:auto;margin:0 10px 6px 0}
@media(max-width:1100px){.scroll-ruler{display:none}}

/* hero */
.hero{position:relative;background:var(--cream);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;min-height:calc(100vh - 118px)}
.hero-copy{padding:80px 48px 80px 0;display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:clamp(3rem,6.4vw,5.6rem);margin:14px 0 10px}
.hero h1 em{font-style:normal;color:var(--terra)}
.hero .lead{font-size:1.12rem;color:var(--body);max-width:560px;margin:14px 0 0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-proof{margin-top:38px;display:flex;gap:26px;flex-wrap:wrap;font-size:.82rem;color:var(--muted)}
.hero-proof span{display:flex;align-items:center;gap:8px}
.hero-proof i{font-style:normal;color:var(--terra-deep);font-weight:600}
.hero-photo{position:relative;overflow:hidden;background:#d9d0c0}
.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-vert{position:absolute;top:36px;right:28px;writing-mode:vertical-rl;color:#fdfaf4;font-size:.78rem;letter-spacing:.5em;text-transform:uppercase;text-shadow:0 1px 12px rgba(34,37,40,.4)}

/* stats */
.stats{background:var(--ink);color:var(--cream)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(240,231,214,.14)}
.stat{background:var(--ink);padding:30px 28px}
.stat b{display:block;font-weight:200;font-size:2.4rem}
.stat span{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(240,231,214,.72)}

/* definition + comparison */
.def-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:start}
.def-grid h2{font-size:clamp(2.2rem,4.4vw,3.8rem);margin:12px 0 20px}
.brand-mark{height:88px;width:auto;margin-bottom:24px}
.compare{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--paper)}
.compare th,.compare td{border:1px solid var(--line);padding:13px 14px;text-align:left;vertical-align:top}
.compare thead th{background:var(--cream);font-weight:600;font-size:.85rem}
.compare .fw{background:rgba(99,109,70,.08);font-weight:400}
.compare .fw b{color:var(--olive-deep)}
.compare td:first-child{font-weight:600;font-size:.85rem;white-space:nowrap}

/* zones */
.zones{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.zone{background:var(--paper);padding:34px 30px;min-height:270px;display:flex;flex-direction:column;transition:background .3s;position:relative}
.zone:hover{background:var(--cream)}
.zone i{font-style:normal;font-weight:200;font-size:.95rem;color:var(--olive-deep);letter-spacing:.2em}
.zone h3{font-weight:200;font-size:1.7rem;margin:12px 0 8px;line-height:1.2}
.zone p{color:var(--muted);font-size:.92rem;margin:0}
.zone .from{margin-top:auto;padding-top:18px;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--olive-deep);font-weight:600}
.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:42px}
.section-head h2{font-size:clamp(2.2rem,4.4vw,4rem);margin:0}

/* estimator */
.estimator{background:var(--ink);color:var(--cream)}
.estimator .eyebrow{color:rgba(240,231,214,.7)}
.estimator h2{font-size:clamp(2.2rem,4.4vw,3.8rem);margin:12px 0 8px;color:var(--cream)}
.est-sub{color:rgba(240,231,214,.78);max-width:640px}
.est-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;margin-top:44px;align-items:start}
.chips{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.chip{border:1px solid rgba(240,231,214,.35);padding:16px 18px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;align-items:center;transition:.2s;background:transparent;text-align:left;color:var(--cream)}
.chip:hover{border-color:var(--cream)}
.chip[aria-pressed="true"]{background:var(--cream);color:var(--ink);border-color:var(--cream)}
.chip .zname{font-weight:400;font-size:.95rem}
.chip .zfrom{font-size:.72rem;letter-spacing:.06em;opacity:.75;white-space:nowrap}
.est-panel{border:1px solid rgba(240,231,214,.3);padding:34px 30px;position:sticky;top:110px}
.est-label{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(240,231,214,.7)}
.est-range{font-weight:200;font-size:clamp(2rem,3.6vw,2.9rem);margin:10px 0 4px;min-height:1.2em}
.est-note{font-size:.8rem;color:rgba(240,231,214,.65);line-height:1.7}
.est-bundle{margin:14px 0 0;padding:12px 14px;background:rgba(179,98,66,.18);border:1px solid rgba(179,98,66,.5);font-size:.85rem;display:none}
.est-bundle.show{display:block}
.est-panel .btn{width:100%;margin-top:20px}
.est-disclaim{font-size:.72rem;color:rgba(240,231,214,.5);margin-top:12px}

/* plan-to-real slider */
.reveal-lab{background:var(--cream)}
.compare-frame{position:relative;aspect-ratio:16/9;overflow:hidden;background:#d9d0c0;user-select:none}
.compare-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.plan-layer{position:absolute;inset:0;background:var(--paper);clip-path:inset(0 calc(100% - var(--split,50%)) 0 0)}
.plan-layer svg{width:100%;height:100%}
.split-handle{position:absolute;top:0;bottom:0;left:var(--split,50%);width:2px;background:var(--terra);transform:translateX(-1px)}
.split-handle::after{content:"◂ ▸";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--terra);color:#fff;font-size:.7rem;padding:7px 9px;border-radius:20px;white-space:nowrap;letter-spacing:.1em}
.compare-input{width:100%;margin-top:14px;accent-color:var(--terra-deep)}
.compare-tags{display:flex;justify-content:space-between;font-size:.75rem;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.craft-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.craft-chips span{border:1px solid var(--line);padding:9px 14px;font-size:.82rem;background:var(--paper)}

/* life marks band */
.marks{background:var(--paper)}
.marks-rail{position:relative;border-left:2px solid rgba(34,37,40,.5);margin-left:8px;padding-left:34px;max-width:640px}
.mark{position:relative;padding:16px 0}
.mark::before{content:"";position:absolute;left:-40.5px;top:50%;width:11px;height:11px;border-radius:50%;background:var(--terra);transform:translateY(-50%)}
.mark b{font-family:'K2D';font-weight:600;color:var(--terra-deep);font-size:.9rem;letter-spacing:.05em;margin-right:14px}
.mark span{color:var(--body)}

/* process */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.step{background:var(--paper);padding:30px 24px;min-height:250px;display:flex;flex-direction:column}
.step b{font-weight:200;font-size:2.7rem;color:var(--olive)}
.step h3{font-size:1rem;margin:14px 0 8px;font-weight:600}
.step p{color:var(--muted);font-size:.88rem;margin:0}
.step .dur{margin-top:auto;padding-top:14px;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--olive-deep);font-weight:600}

/* areas */
.areas{background:var(--cream)}
.area-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;max-width:860px}
.area-tags span{border:1px solid var(--line);padding:8px 14px;font-size:.85rem;background:var(--paper)}

/* faq */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:20px 0;font-size:1.02rem;font-weight:400;list-style:none;display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:200;font-size:1.6rem;color:var(--olive-deep);flex-shrink:0}
.faq details[open] summary::after{content:"−"}
.faq .a{padding:0 0 22px;color:var(--body);max-width:760px}

/* form */
.enquire{background:var(--paper)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:820px}
.form-grid .full{grid-column:1/-1}
.field{display:grid;gap:7px}
.field label{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;font-weight:600}
.field input,.field textarea,.field select{width:100%;padding:13px;border:1px solid var(--line);background:#fff;border-radius:0;-webkit-appearance:none;appearance:none}
.field select{background:#fff url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23222528'/%3E%3C/svg%3E") no-repeat right 14px center}
.field textarea{min-height:110px;resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-note{font-size:.85rem;color:var(--muted);margin-top:14px}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:34px 0 44px;max-width:820px}
.ccard{border:1px solid var(--line);padding:20px;background:var(--cream)}
.ccard .t{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--olive-deep);font-weight:600;margin-bottom:8px}
.ccard a,.ccard span{font-size:.95rem;text-decoration:underline;text-underline-offset:3px}
.toast{position:fixed;right:20px;bottom:86px;background:var(--ink);color:var(--cream);padding:15px 20px;display:none;z-index:220;max-width:340px;font-size:.9rem}
.toast.show{display:block}

/* sticky mobile CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:200;display:none;grid-template-columns:1fr 1fr;background:var(--ink);border-top:1px solid rgba(240,231,214,.2)}
.sticky-cta a{padding:15px 10px;text-align:center;color:var(--cream);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.sticky-cta a+a{border-left:1px solid rgba(240,231,214,.2);background:var(--terra-deep)}
@media(max-width:820px){.sticky-cta{display:grid}body{padding-bottom:52px}}

/* footer */
footer{background:var(--ink);color:var(--cream);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-logo{width:170px;height:auto;margin-bottom:8px}
.footer-col h2,.footer-col h3{text-transform:uppercase;letter-spacing:.15em;font-size:.7rem;margin:0 0 6px;font-weight:600}
.footer-col a{display:block;margin:9px 0;color:rgba(240,231,214,.8)}
.footer-col a:hover{color:var(--cream)}
.footer-contact{margin-top:16px;display:grid;gap:6px;font-size:.9rem;color:rgba(240,231,214,.85)}
.footer-contact a{color:rgba(240,231,214,.85);text-decoration:underline;text-underline-offset:3px}
.footer-family{font-size:.83rem;color:rgba(240,231,214,.62);margin-top:14px}
.footer-family a{color:rgba(240,231,214,.78);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{border-top:1px solid rgba(240,231,214,.16);margin-top:44px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:rgba(240,231,214,.6);font-size:.72rem}
.footer-bottom a{color:rgba(240,231,214,.6);text-decoration:underline}

/* legal reuse */
.legal-wrap{max-width:820px}
.legal-wrap h2{font-size:2rem;margin-top:56px}
.legal-wrap p{color:#3a3c38;font-size:.97rem}

/* motion */
.reveal-el{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.reveal-el.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal-el{opacity:1;transform:none;transition:none}
  .sr-marker{transition:none}
}

/* responsive */
@media(max-width:1100px){.hero-grid{grid-template-columns:1fr}.hero-photo{min-height:420px}.hero-copy{padding:64px 0 48px}}
@media(max-width:960px){
  .nav-links,.nav .btn.hdr-cta{display:none}
  .menu-btn{display:block}
  .def-grid,.est-grid{grid-template-columns:1fr}
  .est-panel{position:static}
  .zones{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-cards{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,1200px)}
  .section{padding:68px 0}
  .zones,.chips,.process{grid-template-columns:1fr}
  .zone,.step{min-height:auto}
  .section-head{display:block}
  .section-head .btn{margin-top:16px}
  .form-grid{grid-template-columns:1fr}
  .form-grid .full{grid-column:auto}
  .compare{font-size:.8rem}
  .compare th,.compare td{padding:9px 8px}
  .compare td:first-child{white-space:normal}
}