/* ==========================================================================
   Nassouri Gold Capital Holding Group Co., Limited
   Shared stylesheet  ·  v2.0
   Aesthetic: institutional reserve — ink, paper, restrained gold.
   ========================================================================== */

:root{
  --ink:#0F1217;
  --ink-soft:#171C24;
  --ink-line:rgba(194,160,75,.22);
  --paper:#F7F5EF;
  --paper-2:#FBFAF6;
  --gold:#C2A04B;
  --gold-deep:#9C7E34;
  --gold-soft:#E4C77A;
  --line:#E5DFD0;
  --text:#23282F;
  --muted:#6B7178;
  --invert:#ECE7DB;
  --invert-muted:#A9A89E;

  --serif:"Spectral",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;

  --wrap:1180px;
  --pad:clamp(1.25rem,4vw,2.5rem);
  --r:3px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--invert);
  padding:.7rem 1rem;z-index:200;border-radius:0 0 var(--r) 0;
}
.skip-link:focus{left:0}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.12;letter-spacing:-.01em;margin:0}
h1{font-size:clamp(2.1rem,5.2vw,3.5rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.35rem)}
h3{font-size:1.18rem;font-weight:600;letter-spacing:0}
p{margin:0 0 1rem}
.lede{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted);max-width:62ch;line-height:1.6}

.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-deep);margin:0 0 1rem;display:inline-flex;align-items:center;gap:.7rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}

/* ---------- Top compliance strip ---------- */
.topbar{
  background:var(--ink);color:var(--invert-muted);
  font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;
}
.topbar .wrap{display:flex;justify-content:space-between;gap:1rem;padding-block:.5rem;flex-wrap:wrap}
.topbar strong{color:var(--gold-soft);font-weight:500}

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(247,245,239,.86);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.85rem}
.brand{display:flex;align-items:center;gap:.7rem}
.brand .mark{width:38px;height:38px;flex:none}
.brand .wordmark{display:flex;flex-direction:column;line-height:1.05}
.brand .wm-en{font-family:var(--serif);font-size:1.02rem;font-weight:600;letter-spacing:.01em}
.brand .wm-en b{color:var(--gold-deep);font-weight:600}
.brand .wm-zh{font-size:.66rem;color:var(--muted);letter-spacing:.04em}

.nav{display:flex;align-items:center;gap:.25rem}
.nav a{
  font-size:.86rem;letter-spacing:.01em;color:var(--text);padding:.5rem .7rem;border-radius:var(--r);
  transition:color .2s,background .2s;
}
.nav a:hover{color:var(--gold-deep)}
.nav a[aria-current="page"]{color:var(--gold-deep);font-weight:500}
.nav a[aria-current="page"]::after{content:"";display:block;height:1.5px;background:var(--gold);margin-top:2px}

.nav-toggle{
  display:none;background:none;border:1px solid var(--line);border-radius:var(--r);
  padding:.5rem .6rem;cursor:pointer;color:var(--text);font-size:.8rem;letter-spacing:.05em;
}

@media (max-width:880px){
  .nav-toggle{display:inline-flex;align-items:center;gap:.4rem}
  .nav{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--paper);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .28s ease;
  }
  .nav[data-open="true"]{max-height:60vh}
  .nav a{padding:.95rem var(--pad);border-top:1px solid var(--line)}
}

/* ---------- Sections ---------- */
section{padding-block:clamp(3rem,7vw,5.5rem)}
.section--ink{background:var(--ink);color:var(--invert)}
.section--ink h1,.section--ink h2,.section--ink h3{color:var(--invert)}
.section--ink .lede{color:var(--invert-muted)}
.section--ink .eyebrow{color:var(--gold-soft)}
.section--paper-2{background:var(--paper-2)}
.section-head{max-width:64ch;margin-bottom:clamp(2rem,4vw,3rem)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--invert);overflow:hidden;padding-block:clamp(4rem,9vw,7rem)}
.hero .wrap{position:relative;z-index:2}
.hero .lede{color:var(--invert-muted);margin-top:1.4rem}
.hero-emblem{
  position:absolute;right:-6%;top:50%;transform:translateY(-50%);
  width:min(460px,46vw);opacity:.07;z-index:1;pointer-events:none;
}
.hero-tags{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-soft);margin-bottom:1.4rem}
.hero h1{max-width:18ch}

.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.btn{
  display:inline-flex;align-items:center;gap:.5rem;font-size:.88rem;letter-spacing:.02em;
  padding:.8rem 1.4rem;border-radius:var(--r);border:1px solid var(--gold);
  transition:background .2s,color .2s,border-color .2s;
}
.btn--primary{background:var(--gold);color:var(--ink);font-weight:500}
.btn--primary:hover{background:var(--gold-soft);border-color:var(--gold-soft)}
.btn--ghost{color:var(--invert);border-color:var(--ink-line)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-soft)}

/* ---------- Stat ribbon ---------- */
.ribbon{border-top:1px solid var(--ink-line);margin-top:3rem;padding-top:1.6rem;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.ribbon div{display:flex;flex-direction:column}
.ribbon dt{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--invert-muted);margin-bottom:.25rem}
.ribbon dd{margin:0;font-family:var(--serif);font-size:1.05rem;color:var(--invert)}
@media (max-width:680px){.ribbon{grid-template-columns:repeat(2,1fr)}}

/* ---------- Cards ---------- */
.grid{display:grid;gap:1.1rem}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
@media (max-width:920px){.grid--3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid--3,.grid--2{grid-template-columns:1fr}}

.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);
  padding:1.6rem 1.5rem;position:relative;transition:border-color .25s,transform .25s;
}
.card:hover{border-color:var(--gold)}
.section--ink .card{background:var(--ink-soft);border-color:var(--ink-line)}
.card .idx{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;color:var(--gold-deep);display:block;margin-bottom:.8rem}
.section--ink .card .idx{color:var(--gold-soft)}
.card h3{margin-bottom:.55rem}
.card p{margin:0;color:var(--muted);font-size:.94rem;line-height:1.6}
.section--ink .card p{color:var(--invert-muted)}

/* ---------- Emblem feature ---------- */
.feature{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.feature .emblem-box{display:flex;justify-content:center}
.feature .emblem-box svg{width:min(220px,60%)}
@media (max-width:760px){.feature{grid-template-columns:1fr}.feature .emblem-box{order:-1}.feature .emblem-box svg{width:130px}}

.callout{
  border-left:2px solid var(--gold);background:rgba(194,160,75,.06);
  padding:1.2rem 1.4rem;border-radius:0 var(--r) var(--r) 0;margin-top:1.5rem;
}
.callout strong{color:var(--gold-deep)}
.section--ink .callout{background:rgba(194,160,75,.1)}
.section--ink .callout strong{color:var(--gold-soft)}

/* ---------- Data tables ---------- */
.data{width:100%;border-collapse:collapse;font-size:.93rem}
.data th,.data td{text-align:left;vertical-align:top;padding:.95rem 1.1rem;border-bottom:1px solid var(--line)}
.data th{
  width:34%;font-family:var(--mono);font-weight:500;font-size:.74rem;letter-spacing:.07em;
  text-transform:uppercase;color:var(--gold-deep);background:var(--paper-2);
}
.data td{color:var(--text)}
@media (max-width:640px){
  .data,.data tbody,.data tr,.data th,.data td{display:block;width:100%}
  .data th{border-bottom:none;padding-bottom:.3rem}
  .data td{padding-top:.2rem;padding-bottom:1.1rem}
}

/* ---------- Definition lists / lists ---------- */
.list-clean{list-style:none;margin:0;padding:0}
.list-clean li{padding:.55rem 0 .55rem 1.4rem;position:relative;border-bottom:1px solid var(--line);color:var(--text)}
.list-clean li::before{content:"";position:absolute;left:0;top:1.05rem;width:7px;height:7px;background:var(--gold);transform:rotate(45deg)}
.list-clean li:last-child{border-bottom:none}

.tags{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.5rem}
.tag{font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;color:var(--muted);
  border:1px solid var(--line);border-radius:var(--r);padding:.45rem .8rem;background:var(--paper-2)}

/* ---------- Prose (legal pages) ---------- */
.prose{max-width:74ch}
.prose h2{margin:2.4rem 0 .9rem;font-size:1.45rem}
.prose h3{margin:1.8rem 0 .6rem}
.prose p,.prose li{color:var(--text);font-size:.97rem}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1rem}
.prose li{margin-bottom:.4rem}
.prose a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:2px}
.prose .meta{font-family:var(--mono);font-size:.78rem;letter-spacing:.05em;color:var(--muted);margin-bottom:2rem}
.prose table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.9rem}
.prose th,.prose td{border:1px solid var(--line);padding:.7rem .9rem;text-align:left;vertical-align:top}
.prose th{background:var(--paper-2);font-family:var(--mono);font-weight:500;font-size:.76rem;letter-spacing:.05em;text-transform:uppercase}

/* ---------- Page header band ---------- */
.page-band{background:var(--ink);color:var(--invert);padding-block:clamp(2.6rem,6vw,4rem)}
.page-band h1{color:var(--invert);max-width:20ch}
.page-band .lede{color:var(--invert-muted);margin-top:1rem}
.page-band .eyebrow{color:var(--gold-soft)}

/* ---------- Contact blocks ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem}
@media (max-width:620px){.contact-grid{grid-template-columns:1fr}}
.contact-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem}
.contact-card .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:.4rem}
.contact-card .v{font-size:.96rem;color:var(--text)}
.contact-card .v a{color:var(--gold-deep);text-decoration:underline;text-underline-offset:2px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--invert-muted);padding-block:clamp(2.6rem,5vw,3.6rem)}
.site-footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(1.6rem,4vw,3rem)}
@media (max-width:780px){.site-footer .cols{grid-template-columns:1fr;gap:2rem}}
.site-footer h4{font-family:var(--mono);font-weight:500;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-soft);margin-bottom:1rem}
.footer-brand .fb-top{display:flex;align-items:center;gap:.7rem;margin-bottom:1rem}
.footer-brand .fb-top svg{width:40px}
.footer-brand .fb-en{font-family:var(--serif);font-size:1rem;color:var(--invert)}
.footer-brand .fb-zh{font-size:.8rem;color:var(--invert-muted)}
.footer-brand p{font-size:.86rem;line-height:1.6;max-width:42ch}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.6rem}
.site-footer a{font-size:.88rem;color:var(--invert-muted);transition:color .2s}
.site-footer a:hover{color:var(--gold-soft)}
.site-footer address{font-style:normal;font-size:.86rem;line-height:1.7}
.footer-legalbar{
  border-top:1px solid var(--ink-line);margin-top:2.4rem;padding-top:1.4rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:.76rem;color:var(--invert-muted);
}
.footer-legalbar .legal-links{display:flex;flex-wrap:wrap;gap:.4rem 1rem}
.footer-disclaimer{
  border-top:1px solid var(--ink-line);margin-top:1.4rem;padding-top:1.4rem;
  font-family:var(--mono);font-size:.7rem;line-height:1.7;letter-spacing:.02em;color:var(--invert-muted);max-width:none;
}

/* ---------- Cookie banner ---------- */
.cookie{
  position:fixed;left:1rem;right:1rem;bottom:1rem;z-index:300;max-width:560px;margin-inline:auto;
  background:var(--ink);color:var(--invert);border:1px solid var(--ink-line);border-radius:var(--r);
  padding:1.2rem 1.3rem;box-shadow:0 12px 40px rgba(0,0,0,.35);
  transform:translateY(140%);transition:transform .35s ease;
}
.cookie[data-show="true"]{transform:translateY(0)}
.cookie p{font-size:.84rem;line-height:1.55;color:var(--invert-muted);margin:0 0 1rem}
.cookie a{color:var(--gold-soft);text-decoration:underline;text-underline-offset:2px}
.cookie .cookie-actions{display:flex;gap:.6rem;flex-wrap:wrap}
.cookie button{
  font-family:var(--sans);font-size:.82rem;letter-spacing:.02em;padding:.6rem 1.1rem;
  border-radius:var(--r);cursor:pointer;border:1px solid var(--gold);
}
.cookie .accept{background:var(--gold);color:var(--ink);font-weight:500}
.cookie .reject{background:transparent;color:var(--invert);border-color:var(--ink-line)}

/* ---------- Utilities ---------- */
.center{text-align:center}
.mt-0{margin-top:0}
.divider{height:1px;background:var(--line);border:none;margin-block:clamp(2rem,5vw,3.5rem)}
.section--ink .divider{background:var(--ink-line)}