:root{
  --cream:#F5F0EA;
  --sand:#E1DBCE;
  --gold:#C2A776;
  --gold-dark:#a8895c;
  --ink:#1A1A1A;
  --ink-soft:#6B6255;
  --white:#ffffff;
  --radius:2px;
  --serif:'Fraunces', Georgia, serif;
  --sans:'Noto Sans Thai','Noto Sans', system-ui, -apple-system, sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  background:var(--cream);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 28px;
}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:rgba(245,240,234,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(26,26,26,0.06);
  transition:background .3s ease;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:78px;
}
.brand-logo{height:42px;width:auto;}
.nav{display:flex;gap:34px;}
.nav a{
  font-size:14.5px;
  letter-spacing:.02em;
  color:var(--ink);
  position:relative;
  padding:4px 0;
}
.nav a::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:0;height:1px;
  background:var(--gold-dark);
  transition:width .25s ease;
}
.nav a:hover::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:18px;}
.lang-toggle{
  font-family:var(--sans);
  font-size:13px;
  letter-spacing:.05em;
  background:none;
  border:1px solid var(--ink);
  border-radius:20px;
  padding:6px 16px;
  cursor:pointer;
  color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.lang-toggle:hover{background:var(--ink);color:var(--cream);}
.nav-burger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;border:none;cursor:pointer;padding:6px;
}
.nav-burger span{width:22px;height:2px;background:var(--ink);display:block;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  padding:14px 30px;
  font-size:14.5px;
  letter-spacing:.03em;
  border-radius:2px;
  border:1px solid transparent;
  transition:all .25s ease;
}
.btn-primary{background:var(--gold);color:var(--ink);}
.btn-primary:hover{background:var(--gold-dark);}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  transform:scale(1.05);
}
.hero-scrim{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(20,22,20,.55) 0%, rgba(20,22,20,.35) 45%, rgba(20,22,20,.75) 100%);
}
.hero-content{
  position:relative;
  z-index:2;
  color:#fff;
  padding-top:78px;
  max-width:760px;
}
.hero-logo{height:56px;width:auto;margin-bottom:34px;}
.hero h1{
  font-family:var(--serif);
  font-weight:500;
  font-size:clamp(2.1rem, 5vw, 3.6rem);
  line-height:1.25;
  margin-bottom:20px;
}
.hero-sub{
  font-size:17px;
  color:rgba(255,255,255,.85);
  max-width:520px;
  margin-bottom:38px;
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- Sections ---------- */
.section{padding:110px 0;}
.section.alt{background:var(--sand);}
.eyebrow{
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-dark);
  margin-bottom:14px;
  font-weight:600;
}
.section-title{
  font-family:var(--serif);
  font-weight:500;
  font-size:clamp(1.6rem, 3.2vw, 2.5rem);
  max-width:760px;
  margin-bottom:22px;
  line-height:1.3;
}
.lead{
  color:var(--ink-soft);
  max-width:680px;
  font-size:16px;
  margin-bottom:50px;
}

/* stats */
.stats-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
  margin-bottom:70px;
  padding:40px 0;
  border-top:1px solid rgba(26,26,26,.12);
  border-bottom:1px solid rgba(26,26,26,.12);
}
.stat{display:flex;flex-direction:column;gap:6px;}
.stat-num{
  font-family:var(--serif);
  font-size:2.6rem;
  color:var(--gold-dark);
  font-weight:500;
}
.stat-label{font-size:13.5px;color:var(--ink-soft);line-height:1.4;}

/* card grids */
.card-grid{display:grid;gap:24px;}
.card-grid.four{grid-template-columns:repeat(4,1fr);}
.card-grid.two{grid-template-columns:repeat(2,1fr);}

.value-card{
  background:var(--white);
  padding:32px 26px;
  border-radius:var(--radius);
  border:1px solid rgba(26,26,26,.06);
}
.value-num{
  display:block;
  font-family:var(--serif);
  color:var(--gold);
  font-size:1.6rem;
  margin-bottom:14px;
}
.value-card h3{font-size:15.5px;font-weight:600;line-height:1.45;}

.service-card{
  background:var(--cream);
  padding:32px 26px;
  border:1px solid rgba(26,26,26,.1);
  border-radius:var(--radius);
  transition:border-color .2s ease, transform .2s ease;
}
.service-card:hover{border-color:var(--gold);transform:translateY(-3px);}
.service-card h3{font-size:16.5px;margin-bottom:10px;font-weight:600;}
.service-card p{font-size:14px;color:var(--ink-soft);}

/* portfolio: flagship */
.flagship-card{
  display:grid;
  grid-template-columns:1.3fr 1fr;
  background:var(--white);
  border-radius:var(--radius);
  overflow:hidden;
  margin-bottom:60px;
  border:1px solid rgba(26,26,26,.06);
}
.flagship-img{
  min-height:420px;
  background-size:cover;
  background-position:center;
}
.flagship-body{padding:44px;display:flex;flex-direction:column;justify-content:center;}
.flagship-body h3{font-family:var(--serif);font-size:1.9rem;margin:12px 0 14px;font-weight:500;}
.flagship-body p{color:var(--ink-soft);margin-bottom:24px;}
.tag{
  display:inline-block;
  align-self:flex-start;
  background:var(--sand);
  color:var(--ink);
  font-size:12px;
  letter-spacing:.04em;
  padding:6px 14px;
  border-radius:20px;
}
.tag.light{background:rgba(255,255,255,.16);color:#fff;}
.spec-list{display:flex;flex-direction:column;gap:10px;border-top:1px solid rgba(26,26,26,.08);padding-top:18px;}
.spec-list li{display:flex;justify-content:space-between;font-size:14px;color:var(--ink-soft);}
.spec-list li strong{color:var(--ink);font-weight:600;}

/* feature story */
.feature-story{margin-bottom:32px;}
.feature-banner{
  position:relative;
  min-height:340px;
  border-radius:var(--radius);
  overflow:hidden;
  background-size:cover;
  background-position:center;
  display:flex;
  align-items:flex-end;
  margin-bottom:24px;
}
.feature-banner-scrim{
  position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(15,20,18,.88) 0%, rgba(15,20,18,.55) 55%, rgba(15,20,18,.15) 100%);
}
.feature-banner-text{position:relative;z-index:2;color:#fff;padding:40px;max-width:560px;}
.feature-banner-text h3{font-family:var(--serif);font-size:1.7rem;margin:12px 0 12px;font-weight:500;}
.feature-banner-text p{color:rgba(255,255,255,.82);font-size:14.5px;}

.case-card{
  background:var(--white);
  border:1px solid rgba(26,26,26,.06);
  border-radius:var(--radius);
  overflow:hidden;
}
.case-img{height:230px;background-size:cover;background-position:center;}
.case-body{padding:24px;}
.case-body h4{font-family:var(--serif);font-size:1.2rem;margin-bottom:8px;font-weight:500;}
.case-meta{font-size:13px;color:var(--gold-dark);margin-bottom:10px;letter-spacing:.02em;}
.case-body p:last-child{font-size:14px;color:var(--ink-soft);}

.coming-soon-card{
  border:1px dashed rgba(26,26,26,.25);
  border-radius:var(--radius);
  padding:34px 30px;
  text-align:center;
  color:var(--ink-soft);
  font-size:14px;
}
.coming-soon-card p{margin-bottom:20px;}

/* process */
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
}
.process-step{position:relative;padding-top:8px;}
.step-num{
  display:inline-flex;
  align-items:center;justify-content:center;
  width:40px;height:40px;
  border:1px solid var(--gold-dark);
  color:var(--gold-dark);
  font-family:var(--serif);
  border-radius:50%;
  margin-bottom:18px;
  font-size:16px;
}
.process-step h3{font-size:16px;margin-bottom:10px;font-weight:600;}
.process-step p{font-size:13.5px;color:var(--ink-soft);}

/* partners */
.partners{padding:80px 0;background:var(--ink);color:#fff;text-align:center;}
.partners-label{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:16px;}
.partners-name{font-family:var(--serif);font-size:2.2rem;margin-bottom:14px;}
.partners-sub{color:rgba(255,255,255,.65);max-width:520px;margin:0 auto;font-size:14.5px;}

/* contact */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.contact-item{
  display:flex;flex-direction:column;gap:8px;
  background:var(--white);
  border:1px solid rgba(26,26,26,.08);
  padding:26px 22px;
  border-radius:var(--radius);
  transition:border-color .2s ease;
}
a.contact-item:hover{border-color:var(--gold);}
.contact-label{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);}
.contact-value{font-size:15.5px;font-weight:600;}

/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.6);padding:40px 0;}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;}
.footer-logo{height:30px;width:auto;}
.footer-inner p{font-size:13px;}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .nav{
    position:fixed;top:78px;left:0;right:0;
    background:var(--cream);
    flex-direction:column;
    padding:20px 28px;
    gap:18px;
    border-bottom:1px solid rgba(26,26,26,.08);
    transform:translateY(-140%);
    transition:transform .3s ease;
  }
  .nav.is-open{transform:translateY(0);}
  .nav-burger{display:flex;}
  .card-grid.four{grid-template-columns:repeat(2,1fr);}
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .flagship-card{grid-template-columns:1fr;}
  .flagship-img{min-height:280px;}
  .card-grid.two{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:repeat(2,1fr);}
  .footer-inner{flex-direction:column;text-align:center;}
}
@media (max-width:520px){
  .card-grid.four{grid-template-columns:1fr;}
  .process-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .section{padding:70px 0;}
  .hero h1{font-size:1.9rem;}
}