/* =========================================================
   TOKENS
   ========================================================= */
:root{
  --ink:        #0B0D10;
  --ink-2:      #14171C;
  --ink-3:      #1B1F26;
  --paper:      #EDE6D6;
  --paper-dim:  #D9D0BC;
  --gold:       #C6A15B;
  --gold-bright:#E8C97A;
  --oxblood:    #7A2E2E;
  --oxblood-br: #9A3B3B;
  --jade:       #3F5D54;
  --text:       #E7E2D6;
  --muted:      #9C9788;
  --line:       rgba(198,161,91,0.22);

  --font-display: 'Cormorant Garamond', 'Noto Serif TC', serif;
  --font-zh:      'Noto Serif TC', serif;
  --font-body:    'Inter', 'Noto Sans TC', sans-serif;

  --container: 1120px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  overflow-x:hidden;
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:500;margin:0 0 .5em;letter-spacing:.01em;}
p{margin:0 0 1em;color:var(--text);}
.wrap{max-width:var(--container);margin:0 auto;padding:0 28px;}
.zh{font-family:var(--font-zh);}
.mono{font-family:'Inter',monospace;font-size:.85rem;letter-spacing:.02em;color:var(--muted);}

::selection{background:var(--gold);color:var(--ink);}

/* subtle grain overlay for a "rice paper" feel */
.noise-overlay{
  position:fixed;inset:0;pointer-events:none;z-index:999;opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* =========================================================
   SEAL MARK (signature element)
   ========================================================= */
.seal{
  display:inline-flex;color:var(--oxblood);width:44px;height:44px;flex:0 0 auto;
}
.seal svg{width:100%;height:100%;}
.seal-glyph{font-family:var(--font-zh);font-size:20px;fill:var(--gold-bright);}
.seal-small{width:34px;height:34px;}

/* =========================================================
   HEADER / NAV
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(11,13,16,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-en{font-family:var(--font-display);font-size:1.25rem;color:var(--paper);letter-spacing:.02em;}
.brand-zh{font-family:var(--font-zh);font-size:.72rem;color:var(--gold);letter-spacing:.18em;margin-top:2px;}

.site-nav{display:flex;align-items:center;gap:34px;}
.site-nav a{
  font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
  position:relative;padding:6px 0;transition:color .2s ease;
}
.site-nav a:hover,.site-nav a.active{color:var(--gold-bright);}
.site-nav a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--gold);
}
.nav-cta{
  border:1px solid var(--gold);color:var(--gold-bright) !important;
  padding:9px 18px !important;border-radius:2px;letter-spacing:.08em !important;
  transition:background .2s ease,color .2s ease;
}
.nav-cta:hover{background:var(--gold);color:var(--ink) !important;}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;}
.nav-toggle span{width:24px;height:1.5px;background:var(--gold);display:block;}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn{
  display:inline-block;padding:14px 30px;border-radius:2px;font-size:.85rem;
  letter-spacing:.08em;text-transform:uppercase;border:1px solid transparent;
  transition:all .25s ease;
}
.btn-primary{background:var(--gold);color:var(--ink);}
.btn-primary:hover{background:var(--gold-bright);}
.btn-ghost{border-color:var(--gold);color:var(--gold-bright);}
.btn-ghost:hover{background:rgba(198,161,91,0.1);}
.btn-blue{border-color:lightblue;color:lightblue;}
.btn-blue:hover{background:lightblue;color:var(--ink);}

/* =========================================================
   HERO (luopan compass signature)
   ========================================================= */
.hero{
  position:relative;padding:96px 0 120px;overflow:hidden;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(122,46,46,0.18), transparent 60%),
    var(--ink);
}
.hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.hero-eyebrow{
  font-family:var(--font-zh);color:var(--gold);letter-spacing:.35em;font-size:.78rem;
  text-transform:uppercase;margin-bottom:18px;display:block;
}
.hero h1{
  font-size:clamp(2.6rem,5vw,4.1rem);color:var(--paper);line-height:1.05;margin-bottom:22px;
}
.hero h1 em{font-style:italic;color:var(--gold-bright);}
.hero-sub{font-size:1.08rem;color:var(--muted);max-width:46ch;margin-bottom:34px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:460px;}
.luopan{
  position:absolute;inset:0;margin:auto;width:min(480px,90%);height:min(480px,90%);
  animation:spin 140s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.luopan text{
  font-family:var(--font-zh);fill:var(--gold);font-size:15px;
}
.luopan .ring{fill:none;stroke:var(--gold);stroke-opacity:.35;}
.luopan .ring-strong{stroke-opacity:.55;}
.luopan .tick{stroke:var(--gold);stroke-opacity:.3;}

.hero-portrait{
  position:relative;z-index:2;width:300px;max-width:70%;
  filter:drop-shadow(0 30px 50px rgba(0,0,0,0.55));
}

@media (prefers-reduced-motion: reduce){
  .luopan{animation:none;}
}

/* =========================================================
   SECTION SHELL
   ========================================================= */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--ink-2);}
.section-head{max-width:640px;margin:0 0 56px;}
.section-eyebrow{
  font-family:var(--font-zh);color:var(--gold);letter-spacing:.3em;font-size:.75rem;
  text-transform:uppercase;display:block;margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.7rem);color:var(--paper);}
.section-head p{color:var(--muted);font-size:1.02rem;}
.divider{
  width:64px;height:1px;background:linear-gradient(90deg,var(--gold),transparent);
  margin:0 0 20px;
}

/* =========================================================
   SERVICE CARDS (home preview)
   ========================================================= */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.service-card{
  background:var(--ink);padding:44px 36px;transition:background .25s ease;
}
.service-card:hover{background:var(--ink-3);}
.card-mark{width:56px;height:56px;margin-bottom:26px;color:var(--gold);}
.card-mark svg{width:100%;height:100%;}
.service-card h3{color:var(--paper);font-size:1.5rem;margin-bottom:4px;}
.service-card .zh-label{color:var(--gold);font-family:var(--font-zh);font-size:.85rem;letter-spacing:.1em;display:block;margin-bottom:16px;}
.service-card p{color:var(--muted);font-size:.95rem;margin-bottom:20px;}
.card-link{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-bright);border-bottom:1px solid var(--gold);padding-bottom:3px;}

/* =========================================================
   CREDENTIAL STRIP
   ========================================================= */
.credential-strip{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;
}
.credential-strip .stat{display:flex;flex-direction:column;}
.credential-strip .stat b{font-family:var(--font-display);font-size:2.1rem;color:var(--gold-bright);}
.credential-strip .stat span{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);}

/* =========================================================
   CTA BAND
   ========================================================= */
.cta-band{
  background:linear-gradient(135deg,var(--oxblood) 0%,#5a2020 100%);
  padding:72px 0;text-align:center;
}
.cta-band h2{color:var(--paper);font-size:clamp(1.8rem,3.4vw,2.5rem);}
.cta-band p{color:rgba(237,230,214,0.8);max-width:52ch;margin:0 auto 30px;}
.cta-band .btn-primary{background:var(--gold-bright);}

/* =========================================================
   SERVICE PAGE — DETAIL BLOCKS
   ========================================================= */
.page-hero{
  padding:70px 0 50px;border-bottom:1px solid var(--line);
  background:radial-gradient(ellipse at 20% 0%, rgba(63,93,84,0.14), transparent 55%);
}
.page-hero .section-eyebrow{margin-bottom:16px;}
.page-hero h1{font-size:clamp(2.2rem,4.4vw,3.2rem);color:var(--paper);}
.page-hero p{color:var(--muted);max-width:60ch;font-size:1.05rem;}

.service-detail{
  padding:88px 0;border-bottom:1px solid var(--line);
}
.service-detail:last-of-type{border-bottom:none;}
.detail-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start;}
.service-detail.reverse .detail-grid{grid-template-columns:1.15fr .85fr;}
.service-detail.reverse .detail-figure{order:2;}
.detail-label{display:flex;align-items:center;gap:16px;margin-bottom:24px;}
.detail-index{
  font-family:var(--font-zh);font-size:.9rem;color:var(--gold);letter-spacing:.1em;
  border:1px solid var(--gold);padding:5px 12px;border-radius:2px;
}
.service-detail h2{font-size:clamp(1.7rem,3vw,2.3rem);color:var(--paper);}
.service-detail .zh-title{font-family:var(--font-zh);color:var(--gold-bright);font-size:1.1rem;display:block;margin-bottom:10px;}
.service-detail p{color:var(--muted);}
.use-list{list-style:none;margin:24px 0 0;padding:0;}
.use-list li{
  padding:12px 0 12px 26px;border-top:1px solid var(--line);position:relative;color:var(--text);font-size:.95rem;
}
.use-list li:before{content:'—';position:absolute;left:0;color:var(--gold);}

.detail-figure{
  border:1px solid var(--line);padding:40px;background:var(--ink-2);
  display:flex;align-items:center;justify-content:center;min-height:280px;
}
.detail-figure svg{width:100%;max-width:280px;color:var(--gold);}

/* =========================================================
   ABOUT PAGE
   ========================================================= */
.about-hero{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center;
  padding:90px 0;
}
.about-portrait-wrap{
  position:relative;border:1px solid var(--line);padding:18px;background:var(--ink-2);
}
.about-portrait-wrap img{width:100%;}
.about-copy .section-eyebrow{margin-bottom:16px;}
.about-copy h1{font-size:clamp(2.2rem,4vw,2.5rem);color:var(--paper);}
.about-copy p{color:var(--muted);font-size:1.03rem;}

.timeline{max-width:760px;margin:0 auto;}
.timeline-item{
  display:grid;grid-template-columns:120px 1fr;gap:32px;padding:30px 0;border-top:1px solid var(--line);
}
.timeline-item:last-child{border-bottom:1px solid var(--line);}
.timeline-date{font-family:var(--font-display);color:var(--gold-bright);font-size:1.15rem;}
.timeline-item h4{color:var(--paper);margin-bottom:8px;}
.timeline-item p{color:var(--muted);font-size:.95rem;margin:0;}

.cert-block{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center;
  padding:90px 0;
}
.cert-figure{border:1px solid var(--line);padding:14px;background:var(--ink-2);}
.cert-figure img{width:100%;}
.cert-copy blockquote{
  font-family:var(--font-display);font-style:italic;font-size:1.5rem;color:var(--paper);
  border-left:2px solid var(--gold);padding-left:24px;margin:0 0 24px;line-height:1.4;
}
.cert-copy p{color:var(--muted);}

.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.value-card{background:var(--ink);padding:40px 32px;}
.value-card .zh{font-size:1.8rem;color:var(--gold);display:block;margin-bottom:14px;}
.value-card h3{color:var(--paper);font-size:1.2rem;}
.value-card p{color:var(--muted);font-size:.92rem;margin:0;}

/* =========================================================
   CONTACT STRIP (all pages, above footer)
   ========================================================= */
.contact-strip{
  display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);
}
.contact-strip a{
  padding:34px 28px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:6px;
  transition:background .2s ease;
}
.contact-strip a:first-child{border-left:none;}
.contact-strip a:hover{background:var(--ink-2);}
.contact-strip .label{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);}
.contact-strip .value{font-family:var(--font-display);font-size:1.25rem;color:var(--gold-bright);}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--ink-2);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-inner{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;
}
.footer-brand{display:flex;flex-direction:column;gap:14px;}
.footer-tagline{font-family:var(--font-zh);color:var(--muted);font-size:.85rem;letter-spacing:.05em;}
.footer-col h3{
  font-family:var(--font-body);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--gold);margin-bottom:16px;font-weight:600;
}
.footer-col p{margin:0 0 10px;}
.footer-col a{color:var(--muted);font-size:.92rem;transition:color .2s ease;}
.footer-col a:hover{color:var(--gold-bright);}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
}
.footer-bottom p{margin:0;color:var(--muted);font-size:.82rem;text-align:center;}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:900px){
  .hero-inner,.about-hero,.cert-block{grid-template-columns:1fr;}
  .hero-visual{order:-1;min-height:340px;}
  .service-grid,.values-grid{grid-template-columns:1fr;}
  .detail-grid,.service-detail.reverse .detail-grid{grid-template-columns:1fr;gap:36px;}
  .service-detail.reverse .detail-figure{order:0;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .contact-strip{grid-template-columns:1fr;}
  .contact-strip a{border-left:none;border-top:1px solid var(--line);}
  .contact-strip a:first-child{border-top:none;}
}
@media (max-width:760px){
  .site-header{
    backdrop-filter:none;
    background:var(--ink);
  }
  .site-nav{
    position:fixed;top:84px;left:0;right:0;bottom:0;background:var(--ink);
    flex-direction:column;align-items:flex-start;padding:36px 28px;gap:26px;
    transform:translateX(100%);transition:transform .3s ease,visibility .3s;
    overflow-y:auto;visibility:hidden;
  }
  .site-nav.open{transform:translateX(0);visibility:visible;}
  .nav-toggle{display:flex;}
  .credential-strip{flex-direction:column;align-items:flex-start;}
  .footer-inner{grid-template-columns:1fr;}
}