/* ============================================================================
   THE FIRST CHINA INVESTMENT & TRUST — shared stylesheet
   Edit colours/type in DESIGN TOKENS below; all four pages update together.
   ============================================================================ */

/* ---------- DESIGN TOKENS ---------- */
:root{
  --paper:#f1ede3;          /* warm document stock — page background */
  --paper-2:#e8e2d4;        /* deeper paper — subtle fills           */
  --paper-3:#ece6d9;        /* mid surface                           */
  --ink:#1b1812;            /* warm near-black ink — body text        */
  --ink-2:#46402f;          /* secondary text                        */
  --ink-3:#736b56;          /* mono labels / marginalia               */
  --rule:rgba(27,24,18,.24);
  --rule-soft:rgba(27,24,18,.13);
  --seal:#3a3899;           /* brand navy (from logo) — primary accent     */

  --serif:'Spectral',Georgia,serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;

  --wrap:1080px;
  --gutter:clamp(20px,5vw,60px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--serif);color:var(--ink);background:var(--paper);
  line-height:1.7;-webkit-font-smoothing:antialiased;font-weight:400;
}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
a{color:inherit;text-decoration:none}

.eyebrow{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--seal);
}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.18;letter-spacing:-.005em}

/* ---------- HEADER (letterhead masthead) ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(241,237,227,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--rule);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:70px}
.brand{display:flex;flex-direction:column;line-height:1.2}
.brand-logo{height:46px;width:auto;display:block}
.brand-name{font-family:var(--serif);font-size:1.05rem;font-weight:500;color:var(--ink)}
.brand-sub{font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-top:2px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-family:var(--mono);font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-2);transition:color .2s;position:relative}
.nav a:hover{color:var(--seal)}
.nav a.current{color:var(--ink)}
.nav a.current::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--seal)}
.nav .portal{display:inline-flex;align-items:center;gap:7px;color:var(--ink)}
.nav .portal:hover{color:var(--seal)}
.nav .portal::after{display:none}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--ink)}
.menu-btn svg{display:block}

/* ---------- HERO (home title block) ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(56px,8vw,110px) 0 clamp(48px,6vw,82px)}
.hero-inner{position:relative}
.doc-head{
  display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px;
  padding-bottom:14px;border-bottom:1px solid var(--rule);font-family:var(--mono);
}
.doc-head .ref{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.hero h1{font-weight:400;font-size:clamp(2.3rem,5.6vw,4rem);max-width:17ch;margin:clamp(30px,5vw,52px) 0 0}
.hero .lede{margin-top:26px;max-width:60ch;font-size:clamp(1.08rem,1.7vw,1.3rem);color:var(--ink-2);font-weight:300}
.particulars{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:36px;padding-top:22px;
  border-top:1px solid var(--rule-soft);font-family:var(--mono);font-size:.74rem;
  letter-spacing:.03em;color:var(--ink-2);
}
.particulars span{position:relative;padding-left:16px}
.particulars span::before{content:"\00A7";position:absolute;left:0;color:var(--seal)}

/* the seal — single signature mark */
.seal{
  position:absolute;top:clamp(40px,6vw,84px);right:0;
  width:78px;height:78px;border:1.5px solid var(--seal);color:var(--seal);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  transform:rotate(-5deg);opacity:.92;z-index:2;
}
.seal .s-top{font-family:var(--mono);font-size:.62rem;letter-spacing:.18em}
.seal .s-rule{width:34px;height:1px;background:var(--seal);opacity:.6}
.seal .s-cjk{font-family:var(--serif);font-size:1.1rem;letter-spacing:.32em;padding-left:.32em}

/* guilloché rosette — faint engraved "security paper" texture behind the seal */
.rosette{
  position:absolute;top:clamp(-30px,-1vw,-10px);right:clamp(-70px,-4vw,-40px);
  width:300px;height:300px;pointer-events:none;opacity:.06;z-index:1;
  background:repeating-radial-gradient(circle at 50% 50%,var(--ink) 0 .6px,transparent 1.4px 8px);
  -webkit-mask:radial-gradient(circle at 50% 50%,#000 22%,transparent 70%);
          mask:radial-gradient(circle at 50% 50%,#000 22%,transparent 70%);
}
@media (max-width:680px){ .rosette{display:none} }

/* ---------- PAGE HEAD (inner pages) ---------- */
.page-head{position:relative;overflow:hidden;padding:clamp(48px,7vw,88px) 0 clamp(30px,4vw,46px);border-bottom:1px solid var(--rule)}
.page-head .doc-head{border-bottom:1px solid var(--rule);margin-bottom:clamp(26px,4vw,42px)}
.page-head h1{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,4.6vw,3.1rem);max-width:18ch}
.page-head .standfirst{margin-top:16px;max-width:56ch;font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--ink-2);font-weight:300;font-style:italic}

/* ---------- GENERIC SECTION ---------- */
.section{padding:clamp(54px,7vw,92px) 0;border-top:1px solid var(--rule)}
.section:first-of-type{border-top:0}
.section-label{font-family:var(--mono);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);margin-bottom:16px}
.section h2{font-size:clamp(1.6rem,3.2vw,2.3rem);color:var(--ink);font-weight:500;max-width:22ch}
.lead-prose{margin-top:clamp(20px,3vw,30px)}
.lead-prose p{margin-bottom:1.1em;color:var(--ink-2);max-width:66ch}
.lead-prose p:last-child{margin-bottom:0}
.lead-prose em{font-style:italic;color:var(--ink)}

/* Justified body text with hyphenation — book/document feel.
   Applied only to large running paragraphs; headings, short lines,
   lists, contact details and the footer stay left-aligned. */
.hero .lede,
.lead-prose p,
.legal p{text-align:justify;text-justify:inter-word;-webkit-hyphens:auto;hyphens:auto}

/* ---------- ARTICLE w/ marginalia (used on inner pages) ---------- */
.article-grid{display:grid;grid-template-columns:188px minmax(0,1fr);gap:clamp(24px,5vw,72px)}
.margin{align-self:start;position:sticky;top:96px}
.art-num{display:block;font-family:var(--serif);font-size:2.6rem;font-weight:300;color:var(--ink);line-height:1}
.art-label{display:block;margin-top:10px;font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2)}
.art-ref{display:block;margin-top:6px;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;color:var(--ink-3)}
.article-body h2{max-width:24ch}

/* ---------- PILLARS (home) ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule-soft);border:1px solid var(--rule-soft);margin-top:clamp(8px,2vw,16px)}
.pillar{background:var(--paper);padding:clamp(26px,3vw,38px)}
.pillar .p-mk{font-family:var(--mono);font-size:.74rem;color:var(--seal);letter-spacing:.1em}
.pillar h3{font-size:1.24rem;color:var(--ink);margin:16px 0 10px;font-weight:500}
.pillar p{color:var(--ink-2);font-size:.97rem}
.pillar .more{display:inline-block;margin-top:14px;font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--seal)}
.pillar .more:hover{text-decoration:underline}

/* ---------- STANDING STRIP (home) ---------- */
.standing{background:var(--ink);color:#cfc6b2}
.standing-inner{padding:clamp(40px,5vw,64px) 0;display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(28px,5vw,64px);align-items:center}
.standing h2{color:#f1ede3;font-size:clamp(1.5rem,2.6vw,2rem);max-width:16ch}
.standing .s-list{list-style:none;display:grid;gap:14px}
.standing .s-list li{display:grid;grid-template-columns:2.2rem 1fr;gap:14px;align-items:baseline;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12)}
.standing .s-list li:last-child{border-bottom:0;padding-bottom:0}
.standing .s-list .mk{font-family:var(--mono);font-size:.72rem;color:#b88a4f;letter-spacing:.06em;text-align:right}
.standing .s-list strong{display:block;color:#f1ede3;font-weight:500;font-size:1.02rem;margin-bottom:3px}
.standing .s-list span{color:#a59c89;font-size:.92rem}

/* ---------- CLAUSES (services) ---------- */
.clauses{margin-top:clamp(20px,3vw,32px)}
.clause{display:grid;grid-template-columns:auto 1fr;gap:20px;padding:30px 0;border-top:1px solid var(--rule-soft)}
.clause:first-child{border-top:0;padding-top:0}
.clause .cl-mk{font-family:var(--mono);font-size:.82rem;color:var(--seal);padding-top:.35em}
.clause h3{font-size:1.3rem;color:var(--ink);margin-bottom:10px;font-weight:500}
.clause p{color:var(--ink-2);max-width:60ch}

/* ---------- PROCESS STEPS (services) ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px);margin-top:clamp(20px,3vw,32px)}
.step{padding-top:18px;border-top:2px solid var(--ink)}
.step .st-num{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.step h3{font-size:1.12rem;color:var(--ink);margin:10px 0 8px;font-weight:500}
.step p{color:var(--ink-2);font-size:.94rem}

/* ---------- EXTRACT (registered particulars) ---------- */
.extract{margin-top:clamp(28px,4vw,44px);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);padding:8px 0}
.extract .cap{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);padding:12px 0 6px}
.extract dl{display:grid}
.extract .row{display:grid;grid-template-columns:200px 1fr;gap:18px;padding:13px 0;border-top:1px solid var(--rule-soft)}
.extract dt{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.extract dd{font-family:var(--mono);font-size:.88rem;color:var(--ink);word-break:break-word}

/* ---------- CONTACT ---------- */
.contact-card{border:1px solid var(--rule-soft);background:var(--paper-3);border-radius:3px;padding:8px clamp(20px,3vw,32px);max-width:60ch}
.contact-line{padding:16px 0;border-top:1px solid var(--rule-soft)}
.contact-line:first-child{border-top:0}
.contact-line .lab{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.contact-line .val{font-size:1.08rem;margin-top:4px;color:var(--ink)}
.contact-line a.val:hover{color:var(--seal);text-decoration:underline}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--seal);margin-top:8px;font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase}
.link-arrow:hover{gap:12px;transition:gap .2s}

/* ---------- CTA ROW ---------- */
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(26px,4vw,40px)}
.btn{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;padding:13px 22px;border:1px solid var(--ink);color:var(--ink);transition:all .2s}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn.primary{background:var(--seal);border-color:var(--seal);color:#fff}
.btn.primary:hover{background:#2c2a73}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--ink);color:#cfc6b2;padding:clamp(52px,7vw,78px) 0 34px;margin-top:clamp(54px,7vw,92px)}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14)}
.foot-brand .fname{font-family:var(--serif);color:#f1ede3;font-size:1.15rem;font-weight:500}
.foot-brand p{margin-top:13px;max-width:40ch;font-size:.92rem;color:#a59c89}
.foot-col h4{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:#b88a4f;margin-bottom:16px}
.foot-col a,.foot-col span{display:block;font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;color:#cfc6b2;margin-bottom:11px}
.foot-col a:hover{color:#fff}
.disclaimer{margin-top:24px;font-size:.8rem;line-height:1.75;color:#8d8472;max-width:none}
.foot-bottom{padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:#7d7563}
.foot-legal a{color:inherit}
.foot-legal a:hover{color:#fff;text-decoration:underline}

/* ---------- LEGAL PAGES ---------- */
.legal h2{font-size:clamp(1.3rem,2.4vw,1.7rem);color:var(--ink);font-weight:500;margin-bottom:14px}
.legal h3{font-size:1.04rem;color:var(--ink);font-weight:500;margin:22px 0 8px}
.legal p,.legal li{color:var(--ink-2);max-width:72ch}
.legal p{margin-bottom:1em}
.legal ul{margin:10px 0 14px 1.1em}
.legal li{margin-bottom:6px}
.legal a{color:var(--seal);text-decoration:underline}
.legal .updated{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-top:10px}
.legal .block{padding:clamp(30px,4vw,46px) 0;border-top:1px solid var(--rule-soft)}
.legal .block:first-of-type{border-top:0;padding-top:clamp(8px,2vw,16px)}

/* ---------- MOTION ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}
a:focus-visible,button:focus-visible{outline:2px solid var(--seal);outline-offset:3px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:var(--paper);padding:10px 16px;font-family:var(--mono);font-size:.78rem;letter-spacing:.06em}
.skip-link:focus{left:8px;top:8px}

/* ---------- RESPONSIVE ---------- */
@media (max-width:860px){
  .article-grid{grid-template-columns:1fr;gap:22px}
  .margin{position:static;display:flex;align-items:baseline;gap:14px}
  .art-num{font-size:1.6rem}.art-label{margin-top:0}.art-ref{display:none}
  .pillars{grid-template-columns:1fr}
  .standing-inner{grid-template-columns:1fr;gap:24px}
  .steps{grid-template-columns:1fr}
  .extract .row{grid-template-columns:1fr;gap:3px}
  .foot-top{grid-template-columns:1fr}
  .seal{top:auto;bottom:6px}
  .nav{
    position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--paper);border-bottom:1px solid var(--rule);
    padding:6px var(--gutter) 18px;transform:translateY(-130%);transition:transform .3s ease;
    box-shadow:0 18px 30px rgba(27,24,18,.1);
  }
  .nav.open{transform:none}
  .nav a{padding:14px 0;border-bottom:1px solid var(--rule-soft);font-size:.78rem}
  .nav a.current::after{display:none}
  .menu-btn{display:block}
  .brand-logo{height:38px}
}

/* Mobile: avoid loose word-spacing from justified text on narrow columns */
@media (max-width:680px){
  .hero .lede,
  .lead-prose p,
  .legal p{text-align:left;-webkit-hyphens:none;hyphens:none}
}