/* Yuac Group Ltd — redesign
   Palette: deep ledger ink + warm paper + brass accent + sage secondary
*/

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&display=swap');

:root{
  --ink:#12203A;
  --ink-soft:#2C3B57;
  --paper:#F7F4EC;
  --paper-dim:#EFE9DA;
  --card:#FFFDF9;
  --brass:#AD7F2C;
  --brass-deep:#8A6620;
  --sage:#4E6B54;
  --line:rgba(18,32,58,0.14);
  --line-strong:rgba(18,32,58,0.28);
  --text:#1B2334;
  --text-muted:#5B5A4F;
  --paper-on-ink:#F3EFE3;
  --muted-on-ink:#AEB7C9;
  --radius:2px;
  --maxw:1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

h1,h2,h3,h4{
  font-family:'Fraunces',serif;
  font-weight:500;
  color:var(--ink);
  margin:0;
  letter-spacing:-0.01em;
}
a{color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
.eyebrow{
  font-family:'Inter',sans-serif;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--brass-deep);
}
.muted{color:var(--text-muted);}
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  border:1px solid var(--ink);
  border-radius:var(--radius);
  font-family:'Inter',sans-serif;
  font-size:14px;
  font-weight:600;
  text-decoration:none;
  color:var(--ink);
  background:transparent;
  transition:background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn:hover{background:var(--ink);color:var(--paper);}
.btn.primary{background:var(--ink);color:var(--paper);}
.btn.primary:hover{background:var(--brass-deep);border-color:var(--brass-deep);}
.btn.on-ink{border-color:var(--paper-on-ink);color:var(--paper-on-ink);}
.btn.on-ink:hover{background:var(--paper-on-ink);color:var(--ink);}

/* ---------- header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,236,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 32px;
  max-width:var(--maxw);margin:0 auto;
}
.wordmark{
  font-family:'Fraunces',serif;
  font-size:19px;
  font-weight:600;
  letter-spacing:0.03em;
  text-decoration:none;
  color:var(--ink);
  display:flex;align-items:center;gap:10px;
}
.wordmark .mark{
  width:9px;height:9px;background:var(--brass);border-radius:50%;
  display:inline-block;
}
.navlinks{display:flex;align-items:center;gap:36px;list-style:none;margin:0;padding:0;}
.navlinks a{
  font-size:14px;font-weight:500;text-decoration:none;color:var(--ink-soft);
  padding-bottom:3px;border-bottom:1px solid transparent;
  transition:border-color 0.2s ease, color 0.2s ease;
}
.navlinks a:hover{color:var(--ink);border-color:var(--brass);}
.navcta{display:flex;align-items:center;gap:22px;}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:4px;}
.menu-btn span{display:block;width:22px;height:1.5px;background:var(--ink);margin:5px 0;}

@media (max-width:860px){
  .navlinks{
    position:fixed;inset:69px 0 0 0;background:var(--paper);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:8px 32px 32px;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity 0.2s ease, transform 0.2s ease;
    border-top:1px solid var(--line);
  }
  .navlinks.open{opacity:1;pointer-events:auto;transform:translateY(0);}
  .navlinks li{width:100%;border-bottom:1px solid var(--line);}
  .navlinks a{display:block;padding:16px 0;}
  .menu-btn{display:block;}
  .navcta .btn:not(.icon-only){display:none;}
}

/* ---------- hero ---------- */
.hero{padding:88px 0 64px;}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:64px;align-items:center;}
.hero h1{font-size:clamp(40px,5.4vw,64px);line-height:1.05;max-width:15ch;}
.hero p.lede{font-size:18px;color:var(--text-muted);max-width:42ch;margin-top:22px;}
.hero-cta{margin-top:32px;display:flex;gap:16px;flex-wrap:wrap;}
.hero-chart{width:100%;}
.hero-chart svg{width:100%;height:auto;}
.hero-chart-cap{display:flex;justify-content:space-between;margin-top:10px;font-size:12px;color:var(--text-muted);font-family:'Inter';}
.growth-line{stroke:var(--brass);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.growth-line-anim{stroke-dasharray:520;stroke-dashoffset:520;animation:draw 1.6s ease forwards 0.2s;}
@keyframes draw{to{stroke-dashoffset:0;}}
.growth-dot{fill:var(--brass);}

@media (max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
}

/* ---------- section shell ---------- */
section{padding:88px 0;}
.section-head{max-width:56ch;margin-bottom:48px;}
.section-head h2{font-size:clamp(28px,3.4vw,38px);margin-top:10px;}
.section-head p{color:var(--text-muted);margin-top:14px;font-size:16px;}
.divider{border:none;border-top:1px solid var(--line);margin:0;}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:0.85fr 1.15fr;gap:64px;align-items:start;}
.about-figure{
  aspect-ratio:4/5;background:var(--paper-dim);border:1px solid var(--line);
  display:flex;align-items:flex-end;padding:24px;position:relative;overflow:hidden;
}
.about-figure img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.about-figure figcaption{
  position:relative;z-index:1;color:#fff;font-size:13px;background:rgba(18,32,58,0.72);
  padding:10px 14px;font-family:'Inter';
}
.about-body p{font-size:16.5px;margin:0 0 16px;color:var(--ink-soft);}
.about-stats{display:flex;gap:40px;margin-top:32px;padding-top:28px;border-top:1px solid var(--line);}
.stat b{display:block;font-family:'Fraunces';font-size:30px;color:var(--brass-deep);font-weight:500;}
.stat span{font-size:13px;color:var(--text-muted);}
@media (max-width:860px){.about{grid-template-columns:1fr;}}

/* ---------- approach (sequence — numbering carries real order) ---------- */
.approach-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);}
.approach-item{
  display:grid;grid-template-columns:90px 1fr 1.3fr;gap:32px;
  padding:32px 0;border-bottom:1px solid var(--line);align-items:baseline;
}
.approach-num{font-family:'Fraunces';font-size:15px;color:var(--brass-deep);letter-spacing:0.04em;}
.approach-item h3{font-size:21px;}
.approach-item p{margin:6px 0 0;color:var(--text-muted);}
@media (max-width:700px){
  .approach-item{grid-template-columns:1fr;gap:6px;}
}

/* ---------- services ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.service-card{background:var(--card);padding:36px 28px;}
.service-card .idx{font-family:'Fraunces';color:var(--brass);font-size:14px;}
.service-card h3{margin-top:14px;font-size:21px;}
.service-card p{margin-top:12px;color:var(--text-muted);font-size:15px;}
@media (max-width:860px){.service-grid{grid-template-columns:1fr;}}

/* ---------- case study ---------- */
.case{background:var(--ink);color:var(--paper-on-ink);position:relative;overflow:hidden;}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.case .eyebrow{color:var(--brass);}
.case h2{color:var(--paper-on-ink);font-size:clamp(26px,3vw,34px);margin-top:12px;}
.case p{color:var(--muted-on-ink);margin-top:16px;font-size:16px;max-width:48ch;}
.case-number{font-family:'Fraunces';font-size:clamp(64px,9vw,112px);color:var(--brass);line-height:1;font-weight:500;}
.case-number-cap{font-size:14px;color:var(--muted-on-ink);margin-top:8px;max-width:26ch;}
@media (max-width:860px){.case-grid{grid-template-columns:1fr;}}

/* ---------- quote ---------- */
.quote{border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.quote blockquote{
  font-family:'Fraunces';font-weight:400;font-style:italic;
  font-size:clamp(22px,3vw,30px);color:var(--ink);margin:0;max-width:26ch;line-height:1.35;
}
.quote cite{display:block;margin-top:20px;font-style:normal;font-family:'Inter';font-size:14px;color:var(--text-muted);}

/* ---------- contact / cta band ---------- */
.cta-band{background:var(--paper-dim);}
.cta-inner{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(28px,3.6vw,40px);max-width:16ch;}
.cta-contact{text-align:right;}
.cta-contact a.email{
  font-family:'Fraunces';font-size:20px;color:var(--brass-deep);text-decoration:none;
  border-bottom:1px solid var(--brass);
}
@media (max-width:700px){.cta-inner{flex-direction:column;align-items:flex-start;}.cta-contact{text-align:left;}}

/* ---------- footer ---------- */
footer{background:var(--ink);color:var(--muted-on-ink);padding:56px 0 32px;}
.footer-top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;border-bottom:1px solid rgba(243,239,227,0.14);padding-bottom:36px;}
.footer-brand .wordmark{color:var(--paper-on-ink);}
.footer-brand p{max-width:34ch;margin-top:14px;font-size:14px;color:var(--muted-on-ink);}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap;}
.footer-col h4{font-family:'Inter';font-size:12px;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted-on-ink);font-weight:600;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;color:var(--paper-on-ink);text-decoration:none;margin-bottom:10px;opacity:0.9;}
.footer-col a:hover{opacity:1;text-decoration:underline;}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:var(--muted-on-ink);}
.footer-bottom a{color:var(--muted-on-ink);text-decoration:underline;}

/* ---------- legal pages ---------- */
.legal-hero{padding:64px 0 32px;border-bottom:1px solid var(--line);}
.legal-hero .eyebrow{margin-bottom:14px;}
.legal-hero h1{font-size:clamp(32px,4.4vw,46px);}
.legal-hero p{margin-top:14px;color:var(--text-muted);}
.legal-body{padding:56px 0 96px;display:grid;grid-template-columns:260px 1fr;gap:64px;align-items:start;}
.legal-toc{position:sticky;top:100px;border-left:1px solid var(--line);padding-left:20px;}
.legal-toc a{display:block;font-size:13.5px;color:var(--text-muted);text-decoration:none;padding:6px 0;line-height:1.4;}
.legal-toc a:hover{color:var(--ink);}
.legal-content h2{font-size:22px;margin-top:0;padding-top:8px;}
.legal-content section{padding:0 0 40px;border:none;}
.legal-content section:last-child{padding-bottom:0;}
.legal-content p, .legal-content li{color:var(--ink-soft);font-size:15.5px;}
.legal-content ul{padding-left:20px;}
.legal-content li{margin-bottom:8px;}
.legal-content strong{color:var(--ink);}
.legal-content table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;}
.legal-content th,.legal-content td{text-align:left;padding:10px 14px;border:1px solid var(--line);vertical-align:top;}
.legal-content th{background:var(--paper-dim);font-family:'Inter';font-weight:600;}
.legal-note{background:var(--paper-dim);border-left:2px solid var(--brass);padding:16px 20px;font-size:14px;color:var(--text-muted);margin:24px 0;}
@media (max-width:860px){
  .legal-body{grid-template-columns:1fr;}
  .legal-toc{position:static;border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:20px;}
}