/* Greatbase Construction — landing page */
:root{
  --bg:#ffffff;
  --bg-soft:#f5f3ee;
  --bg-dark:#1a1f2e;
  --bg-darker:#13182a;
  --ink:#1a1f2e;
  --ink-soft:#5b6275;
  --ink-muted:#8a8f9e;
  --ink-on-dark:#e9e7e1;
  --ink-on-dark-soft:#a8a9af;
  --gold:#c9a961;
  --gold-soft:#d9bd7d;
  --gold-dark:#a98640;
  --line:#e2dfd6;
  --line-dark:#2a2f44;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
html[lang="zh-Hant"] body{font-family:'Noto Sans TC','Inter',sans-serif}
html[lang="zh-Hans"] body{font-family:'Noto Sans SC','Noto Sans TC','Inter',sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 32px;position:relative;z-index:2}

/* Header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 36px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:12px;font-weight:600}
.brand-mark{
  width:38px;height:38px;border-radius:6px;
  background:var(--bg-dark);
  color:var(--gold);display:grid;place-items:center;
  font-family:'Playfair Display',serif;
  font-weight:700;font-size:1.4rem;
}
.brand-name{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:1.05rem;color:var(--ink)}
.brand-sub{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-muted);font-weight:500;margin-top:2px}
.nav{display:flex;gap:32px;font-size:.93rem}
.nav a{color:var(--ink-soft);font-weight:500;transition:color .2s}
.nav a:hover{color:var(--ink)}
.header-right{display:flex;align-items:center;gap:18px}
.lang{display:flex;gap:4px}
.lang button{
  background:none;border:1px solid transparent;color:var(--ink-muted);
  font:inherit;font-size:.78rem;cursor:pointer;
  padding:5px 9px;border-radius:5px;
  letter-spacing:.05em;
}
.lang button:hover{color:var(--ink)}
.lang button.active{color:var(--gold-dark);border-color:var(--line)}
.header-cta{
  background:var(--bg-dark);color:#fff;
  font-size:.85rem;font-weight:600;
  padding:10px 18px;border-radius:6px;
  transition:background .2s;
}
.header-cta:hover{background:var(--gold-dark)}
@media(max-width:900px){
  .site-header{padding:14px 18px;flex-wrap:wrap;gap:10px}
  .nav{display:none}
}

/* Hero */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:130px 0 90px;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  z-index:0;
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(135deg,rgba(26,31,46,.85) 0%,rgba(26,31,46,.55) 50%,rgba(26,31,46,.7) 100%);
  z-index:1;
}
.hero-content{
  position:relative;z-index:2;
  max-width:var(--max);margin:0 auto;padding:0 32px;width:100%;color:#fff;
}
.eyebrow{
  display:inline-block;
  font-size:.78rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);
  padding:7px 16px;border:1px solid rgba(201,169,97,.4);border-radius:3px;
  margin-bottom:32px;
}
.hero h1{
  font-family:'Playfair Display',serif;
  font-size:clamp(2.6rem,6vw,4.8rem);
  font-weight:600;line-height:1.08;letter-spacing:-.015em;
  margin-bottom:26px;max-width:920px;color:#fff;
}
.hero h1 .accent{color:var(--gold);font-style:italic}
.lede{
  font-size:clamp(1.05rem,1.4vw,1.25rem);
  color:rgba(255,255,255,.85);max-width:680px;margin-bottom:42px;line-height:1.7;
}
.cta-row{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:64px}
.cta-primary{
  background:var(--gold);color:var(--bg-dark);
  font-weight:600;font-size:.95rem;letter-spacing:.02em;
  padding:15px 30px;border-radius:4px;
  transition:transform .2s,box-shadow .2s,background .2s;
  display:inline-block;
}
.cta-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(201,169,97,.35);background:var(--gold-soft)}
.cta-primary.big{font-size:1.05rem;padding:18px 36px}
.cta-secondary{
  color:#fff;font-weight:500;font-size:.95rem;
  padding:15px 0;
  border-bottom:1px solid rgba(255,255,255,.3);
  transition:border-color .2s;
}
.cta-secondary:hover{border-color:var(--gold)}

.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:40px;
  max-width:600px;padding-top:36px;border-top:1px solid rgba(255,255,255,.2);
}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{
  font-family:'Playfair Display',serif;
  font-size:2.4rem;font-weight:600;color:var(--gold);
  line-height:1;margin-bottom:6px;
}
.hero-stats span{
  font-size:.82rem;color:rgba(255,255,255,.7);
  text-transform:uppercase;letter-spacing:.12em;
}
@media(max-width:600px){
  .hero-stats{grid-template-columns:1fr 1fr;gap:28px}
}

/* Sections common */
section{padding:110px 0;position:relative}
.section-eyebrow{
  font-size:.78rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-dark);margin-bottom:20px;
}
.section-eyebrow.light{color:var(--gold)}
h2{
  font-family:'Playfair Display',serif;
  font-size:clamp(2.2rem,4vw,3.4rem);
  font-weight:600;line-height:1.15;letter-spacing:-.015em;
  margin-bottom:60px;color:var(--ink);
}
h2.light{color:#fff}

/* About */
.about{background:var(--bg)}
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:72px;align-items:center}
.about-image img{border-radius:8px;width:100%;height:540px;object-fit:cover}
.about-text h2{margin-bottom:28px}
.about-text p{color:var(--ink-soft);margin-bottom:18px;font-size:1.02rem}
.about-bullets{list-style:none;margin-top:28px}
.about-bullets li{
  padding:14px 0;border-bottom:1px solid var(--line);
  position:relative;padding-left:32px;color:var(--ink);font-weight:500;
}
.about-bullets li:before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:18px;height:2px;background:var(--gold);
}
.about-bullets li:last-child{border-bottom:none}
@media(max-width:900px){
  .about-grid{grid-template-columns:1fr;gap:48px}
  .about-image img{height:340px}
}

/* Services */
.services{background:var(--bg-soft)}
.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.service-card{
  background:#fff;border-radius:8px;overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s;
  box-shadow:0 1px 3px rgba(26,31,46,.06);
}
.service-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(26,31,46,.12)}
.service-img{
  height:240px;background-size:cover;background-position:center;
  position:relative;
}
.service-img:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(26,31,46,.15));
}
.service-body{padding:32px 30px}
.service-body h3{
  font-family:'Playfair Display',serif;
  font-size:1.5rem;font-weight:600;color:var(--ink);
  margin-bottom:12px;
}
.service-body p{color:var(--ink-soft);font-size:.95rem;margin-bottom:20px;line-height:1.7}
.service-body ul{list-style:none}
.service-body ul li{
  font-size:.88rem;color:var(--ink);padding:6px 0 6px 22px;
  position:relative;
}
.service-body ul li:before{
  content:"";position:absolute;left:0;top:14px;
  width:10px;height:1px;background:var(--gold);
}
@media(max-width:760px){.service-grid{grid-template-columns:1fr}}

/* Process */
.process{position:relative;overflow:hidden;background:var(--bg-dark)}
.process-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:grayscale(.6) brightness(.25);z-index:0;opacity:.5}
.process-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(19,24,42,.85) 0%,rgba(19,24,42,.95) 100%);z-index:1}
.process h2{text-align:center;max-width:780px;margin:0 auto 60px}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.step{
  padding:32px 22px;
  border:1px solid var(--line-dark);border-radius:8px;
  background:rgba(255,255,255,.02);
  transition:border-color .25s,background .25s;
}
.step:hover{border-color:var(--gold);background:rgba(201,169,97,.05)}
.step-num{
  font-family:'Playfair Display',serif;
  font-size:2.2rem;font-weight:600;color:var(--gold);
  margin-bottom:18px;line-height:1;
  letter-spacing:-.02em;
}
.step h3{font-size:1.05rem;font-weight:600;color:#fff;margin-bottom:10px}
.step p{font-size:.85rem;color:var(--ink-on-dark-soft);line-height:1.6}
@media(max-width:1000px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* Why */
.why{background:var(--bg)}
.why h2{max-width:600px}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px 40px}
.why-item{padding:8px 0}
.why-icon{
  width:54px;height:54px;border-radius:6px;
  background:var(--bg-soft);
  display:grid;place-items:center;font-size:1.5rem;
  margin-bottom:18px;
}
.why-item h3{font-size:1.15rem;font-weight:600;color:var(--ink);margin-bottom:10px}
.why-item p{color:var(--ink-soft);font-size:.95rem;line-height:1.65}
@media(max-width:840px){.why-grid{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.why-grid{grid-template-columns:1fr}}

/* CTA Band */
.cta-band{position:relative;overflow:hidden;padding:100px 0;text-align:center}
.cta-band-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.35);z-index:0}
.cta-band-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,31,46,.8) 0%,rgba(26,31,46,.6) 100%);z-index:1}
.cta-band-content{color:#fff;max-width:700px}
.cta-band-content h2{color:#fff;margin-bottom:16px}
.cta-band-content p{color:rgba(255,255,255,.85);font-size:1.1rem;margin-bottom:32px}

/* Contact */
.contact{background:var(--bg-soft)}
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start}
.contact-info h2{margin-bottom:18px}
.contact-info p{color:var(--ink-soft);font-size:1.05rem;margin-bottom:36px}
.contact-blocks{display:flex;flex-direction:column;gap:24px}
.contact-block{padding:18px 0;border-top:1px solid var(--line)}
.contact-label{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-muted);font-weight:600;margin-bottom:6px}
.contact-value{display:block;color:var(--ink);font-size:1rem;font-weight:500}
a.contact-value:hover{color:var(--gold-dark)}
.contact-card{
  background:#fff;border-radius:10px;padding:48px 40px;
  box-shadow:0 4px 24px rgba(26,31,46,.08);
}
.contact-card h3{
  font-family:'Playfair Display',serif;
  font-size:1.5rem;font-weight:600;margin-bottom:14px;
}
.contact-card p{color:var(--ink-soft);font-size:.95rem;margin-bottom:28px;line-height:1.7}
.contact-note{font-size:.82rem;color:var(--ink-muted);margin-top:18px;margin-bottom:0!important}
@media(max-width:840px){.contact-grid{grid-template-columns:1fr;gap:48px}}

/* Footer */
.site-footer{
  background:var(--bg-darker);color:var(--ink-on-dark);
  padding:72px 0 36px;
}
.site-footer .brand-mark{background:var(--gold);color:var(--bg-dark)}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.5)}
.footer-row{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;
  margin-bottom:48px;padding-bottom:36px;border-bottom:1px solid var(--line-dark);
}
.brand-footer{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-row p{color:rgba(255,255,255,.6);font-size:.92rem;max-width:280px;line-height:1.6}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:.92rem}
.footer-links h4{
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);font-weight:600;margin-bottom:10px;
}
.footer-links a,.footer-links span{color:rgba(255,255,255,.7);transition:color .2s}
.footer-links a:hover{color:var(--gold)}
.footer-bottom{
  font-size:.82rem;color:rgba(255,255,255,.45);text-align:center;
}
@media(max-width:760px){.footer-row{grid-template-columns:1fr;gap:32px}}