/* ===== Tokens ===== */
:root{
  --bg: #0c0d10;
  --bg-alt: #0f1013;
  --surface: rgba(255,255,255,0.03);
  --surface-hover: rgba(255,255,255,0.055);
  --border: rgba(255,255,255,0.09);
  --text: #ecebe8;
  --text-muted: #9b9891;
  --text-dim: #6f6c66;
  --accent: #c8893e;
  --accent-dim: #9c6c31;
  --accent-soft: rgba(200,137,62,0.12);
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1180px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  opacity: 0;
}
body.i18n-ready{
  opacity: 1;
  transition: opacity .25s ease;
}
h1,h2,h3,h4{
  font-family: 'Literata', Georgia, serif;
  font-weight: 600;
  line-height: 1.18;
  margin: 0 0 .6em;
  letter-spacing: -0.01em;
}
p{ color: var(--text-muted); margin: 0 0 1em; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
img,svg{ display:block; max-width:100%; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.grad-text{ color: var(--accent); font-style: italic; }

/* ===== Background decor ===== */
.bg-grid{
  position: fixed; inset:0; z-index:-2;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}
.bg-glow{
  position: fixed; inset:0; z-index:-1;
  background: radial-gradient(700px 420px at 20% 0%, rgba(200,137,62,0.09), transparent 60%);
}

/* ===== Header ===== */
.site-header{
  position: sticky; top:0; z-index:100;
  backdrop-filter: blur(14px);
  background: rgba(12,13,16,0.7);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.site-header.scrolled{
  border-bottom-color: var(--border);
  background: rgba(12,13,16,0.9);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.logo{ display:flex; flex-direction:column; align-items:flex-start; line-height:1; }
.logo-name{
  font-family:'Inter',sans-serif; font-weight:700; font-size:1.45rem; letter-spacing:-0.015em;
  background: linear-gradient(100deg, #e8b673 0%, #c8893e 48%, #a2601f 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.logo-sub{
  font-family:'Inter',sans-serif; font-weight:500; font-size:.4rem;
  letter-spacing:.42em; padding-left:.42em; color: var(--text-dim);
  margin-top:5px;
}
.logo-sm .logo-name{ font-size:1.15rem; }
.logo-sm .logo-sub{ font-size:.34rem; margin-top:4px; }

.main-nav{ display:flex; align-items:center; gap:34px; }
.main-nav a{
  font-size:.94rem; color: var(--text-muted); font-weight:500;
  position:relative; transition: color .2s ease;
}
.main-nav a:not(.nav-cta)::after{
  content:''; position:absolute; left:0; bottom:-6px; width:0; height:2px;
  background: var(--accent); transition: width .25s ease;
}
.main-nav a:not(.nav-cta):hover{ color: var(--text); }
.main-nav a:not(.nav-cta):hover::after{ width:100%; }

.nav-cta{
  padding: 9px 18px;
  border-radius: 6px;
  background: var(--accent);
  color: #14100a !important;
  font-weight:600;
}

.nav-toggle{
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer; padding:8px;
}
.nav-toggle span{ width:22px; height:2px; background:var(--text); border-radius:2px; }

/* ===== Language switch ===== */
.lang-switch{
  display:flex; align-items:center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  margin-left: 20px;
  gap: 2px;
}
.lang-btn{
  border:none; background:none; cursor:pointer;
  font-family:'Inter',sans-serif; font-size:.78rem; font-weight:600;
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease;
}
.lang-btn.active{
  background: var(--accent);
  color:#14100a;
}
#langSwitchMobile{ display:none; }

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight:600;
  font-size: .95rem;
  cursor:pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn-primary{
  background: var(--accent);
  color:#14100a;
}
.btn-primary:hover{ background: #d99a4d; }
.btn-ghost{
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover{ background: var(--surface-hover); border-color: rgba(255,255,255,0.2); }
.btn-block{ width:100%; }

/* ===== Hero ===== */
.hero{ padding: 150px 0 110px; text-align:center; }
.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.badge .dot{
  width:6px; height:6px; border-radius:50%;
  background: var(--accent);
}
.hero h1{
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 880px;
  margin: 0 auto .5em;
  font-weight: 600;
}
.hero-sub{
  max-width: 620px;
  margin: 0 auto 2.4em;
  font-size: 1.1rem;
}
.hero-actions{
  display:flex; gap:16px; justify-content:center; flex-wrap:wrap;
  margin-bottom: 70px;
}
.hero-stats{
  display:flex; justify-content:center; gap:56px; flex-wrap:wrap;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  max-width: 780px;
  margin: 0 auto;
}
.stat{ display:flex; flex-direction:column; gap:4px; }
.stat-num{ font-family:'Literata',serif; font-weight:600; font-size:1.15rem; }
.stat-label{ font-size:.82rem; color: var(--text-dim); }

/* ===== Sections ===== */
.section{ padding: 110px 0; }
.section-alt{ background: var(--bg-alt); }
.section-head{ max-width: 640px; margin-bottom: 60px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.eyebrow{
  display:inline-block;
  font-size: .78rem; font-weight:600; letter-spacing:.08em; text-transform:uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-head h2{ font-size: clamp(1.7rem, 3.2vw, 2.3rem); }
.section-head p{ font-size: 1.05rem; }

/* ===== Grid / Cards ===== */
.grid{ display:grid; gap:20px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color .2s ease, background .2s ease;
}
.card:hover{
  border-color: rgba(200,137,62,0.4);
  background: var(--surface-hover);
}
.card-icon{
  width:40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  border-radius: 8px;
  background: var(--accent-soft);
  margin-bottom: 18px;
}
.card-icon svg{ width:20px; height:20px; }
.card h3{ font-size: 1.08rem; }
.card p{ font-size: .92rem; margin:0; }

.industry-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align:center;
  transition: border-color .2s ease;
}
.industry-card:hover{ border-color: rgba(200,137,62,0.4); }
.industry-card svg{ width:28px; height:28px; margin: 0 auto 16px; }
.industry-card h4{ font-size: .95rem; margin:0; font-weight:600; }

/* ===== Construction spotlight ===== */
.spotlight{
  background: linear-gradient(180deg, rgba(200,137,62,0.05), rgba(200,137,62,0.015));
  border: 1px solid rgba(200,137,62,0.22);
  border-radius: var(--radius);
  padding: 52px 48px 44px;
}
.spotlight .section-head{ max-width: 720px; }
.focus-item{
  padding: 22px 24px 22px 22px;
  border-left: 2px solid rgba(200,137,62,0.5);
  background: rgba(255,255,255,0.02);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.focus-item h3{ font-size: 1.02rem; margin-bottom:.35em; }
.focus-item p{ font-size: .92rem; margin:0; }
.spotlight-note{
  margin: 30px 0 0;
  font-size: .93rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 22px;
}

/* ===== Process ===== */
.process-list{ max-width: 760px; margin: 0 auto; display:flex; flex-direction:column; gap:2px; }
.process-step{
  display:flex; gap:26px; align-items:flex-start;
  padding: 26px 8px;
  border-bottom: 1px solid var(--border);
}
.process-step:last-child{ border-bottom:none; }
.process-num{
  font-family:'Literata',serif;
  font-size: 1.5rem; font-weight:600;
  color: var(--accent);
  min-width: 56px;
}
.process-step h3{ font-size: 1.1rem; margin-bottom:.3em; }
.process-step p{ margin:0; font-size:.94rem; }

/* ===== Partnership ===== */
.partnership-inner{
  display:grid; grid-template-columns: 1.4fr 1fr; gap:60px; align-items:center;
}
.partnership-text p{ font-size: 1.02rem; }
.check-list{ display:flex; flex-direction:column; gap:12px; margin-top:22px; }
.check-list li{
  position:relative; padding-left: 22px; color: var(--text-muted); font-size:.95rem;
}
.check-list li::before{
  content:'—'; position:absolute; left:0; top:0;
  color: var(--accent); font-weight:600;
}
.partnership-badge{ display:flex; justify-content:center; }
.badge-circle{
  width: 200px; height:200px; border-radius:50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px;
  text-align:center;
  padding: 20px;
}
.badge-circle .badge-mark{
  font-family:'Literata',serif; font-size:1.6rem; font-weight:600; color: var(--accent);
}
.badge-circle span:last-child{
  font-family:'Inter',sans-serif; font-weight:600; font-size:.85rem; color: var(--text-muted);
}

/* ===== About ===== */
.about-inner{
  display:grid; grid-template-columns: 1.3fr 1fr; gap:60px; align-items:center;
}
.about-text p{ font-size: 1.02rem; }
.about-stats{
  display:flex; flex-direction:column; gap:1px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow:hidden;
}
.about-stat{
  background: var(--surface);
  padding: 24px 28px;
  display:flex; align-items:baseline; justify-content:space-between; gap:16px;
}
.about-stat-num{ font-family:'Literata',serif; font-size:1.7rem; font-weight:600; color: var(--accent); white-space:nowrap; }
.about-stat-label{ font-size:.88rem; color: var(--text-muted); text-align:right; }

/* ===== FAQ ===== */
.faq-list{ max-width: 760px; margin:0 auto; display:flex; flex-direction:column; gap:12px; }
.faq-item{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow:hidden;
}
.faq-q{
  width:100%; text-align:left;
  background:none; border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding: 20px 22px;
  font-family:'Inter',sans-serif; font-size:1rem; font-weight:600; color: var(--text);
}
.faq-icon{
  flex-shrink:0;
  width:24px; height:24px; border-radius:6px;
  background: var(--accent-soft); color: var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; font-weight:400;
  transition: transform .25s ease;
}
.faq-item.open .faq-icon{ transform: rotate(45deg); }
.faq-a{
  max-height:0; overflow:hidden;
  transition: max-height .3s ease;
}
.faq-a p{ padding: 0 22px 20px; margin:0; font-size:.94rem; }

/* ===== Contact ===== */
.contact-grid{
  display:grid; grid-template-columns: 1.4fr 1fr; gap:40px;
  max-width: 980px; margin: 0 auto;
}
.contact-form{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.form-field{ margin-bottom:18px; }
.form-field label{
  display:block; font-size:.85rem; font-weight:600; margin-bottom:8px; color: var(--text-muted);
}
.form-field input, .form-field textarea{
  width:100%;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family:'Inter',sans-serif; font-size:.95rem;
  transition: border-color .2s ease, background .2s ease;
}
.form-field input:focus, .form-field textarea:focus{
  outline:none; border-color: var(--accent); background: rgba(200,137,62,0.05);
}
.form-field textarea{ resize:vertical; }
.form-note{ margin: 14px 0 0; font-size:.85rem; text-align:center; min-height: 1.2em; }
.form-note.success{ color: #6fbf73; }
.form-note.error{ color: #e07a5f; }
.hp-field{
  position:absolute; width:1px; height:1px; overflow:hidden;
  clip:rect(0 0 0 0); clip-path:inset(50%); white-space:nowrap;
}
.btn:disabled{ opacity:.6; cursor:default; }

.contact-info{ display:flex; flex-direction:column; gap:16px; }
.info-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px;
}
.info-card h4{ font-size:.85rem; text-transform:uppercase; letter-spacing:.04em; color: var(--text-dim); margin-bottom:8px; }
.info-card a{ color: var(--accent); font-weight:600; }
.info-card p{ margin:0; font-size:.95rem; color: var(--text); }

/* ===== Footer ===== */
.site-footer{ border-top: 1px solid var(--border); padding: 34px 0; }
.footer-inner{
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:18px;
}
.footer-copy{ margin:0; font-size:.85rem; color: var(--text-dim); }
.footer-links{ display:flex; align-items:center; gap:22px; flex-wrap:wrap; }
.footer-links a{ font-size:.85rem; color: var(--text-muted); transition: color .2s ease; }
.footer-links a:hover{ color: var(--accent); }
.footer-email{ font-size:.85rem; color: var(--text-muted); }
.footer-email:hover{ color: var(--accent); }

/* ===== Reveal animation ===== */
.reveal{
  opacity:0; transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible{ opacity:1; transform:none; }

/* ===== Responsive ===== */
@media (max-width: 900px){
  .grid-3{ grid-template-columns: repeat(2,1fr); }
  .spotlight{ padding: 40px 28px 34px; }
  .partnership-inner, .about-inner{ grid-template-columns:1fr; }
  .partnership-badge, .about-visual{ order:-1; }
  .contact-grid{ grid-template-columns:1fr; }
}

@media (max-width: 760px){
  .main-nav{
    position:fixed; top:76px; left:0; right:0;
    flex-direction:column; align-items:flex-start; gap:0;
    background: rgba(12,13,16,0.97); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    max-height:0; overflow:hidden;
    transition: max-height .3s ease;
  }
  .main-nav.open{ max-height: calc(100vh - 76px); overflow-y: auto; }
  .main-nav a{ width:100%; padding: 16px 24px; border-bottom: 1px solid var(--border); }
  .main-nav a.nav-cta{ margin: 16px 24px; width:calc(100% - 48px); text-align:center; }
  .nav-toggle{ display:flex; }
  #langSwitchDesktop{ display:none; }
  #langSwitchMobile{ display:flex; margin: 18px 24px 4px; align-self:flex-start; }
  .hero{ padding: 120px 0 80px; }
  .hero-stats{ gap:30px; }
  .grid-3, .grid-2{ grid-template-columns: 1fr; }
  .spotlight{ padding: 32px 20px 28px; }
  .about-stat{ flex-direction:column; align-items:flex-start; gap:4px; }
  .about-stat-label{ text-align:left; }
  .form-row{ grid-template-columns:1fr; }
  .section{ padding: 80px 0; }
}