:root{
  --bg: #0b0a08;
  --bg-alt: #141210;
  --card: #17140f;
  --card-border: #2a2419;
  --gold: #c9a35a;
  --gold-bright: #e0bd75;
  --white: #f5f2ea;
  --gray: #9a9488;
  --gray-dim: #6b665c;
  --radius: 10px;
  --container: 1180px;
  --font: 'Segoe UI', Inter, system-ui, -apple-system, Arial, sans-serif;
}

*{ box-sizing: border-box; margin:0; padding:0; }

html{ scroll-behavior: smooth; }

body{
  background: var(--bg);
  color: var(--white);
  font-family: var(--font);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a{ color: inherit; text-decoration: none; }
ul{ list-style: none; }

.eyebrow{
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 14px;
}
.eyebrow.center{ text-align: center; }

.center{ text-align: center; }

h1, h2, h3{
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  line-height: 1.1;
}

h2{
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin-bottom: 12px;
}

.section-sub{
  color: var(--gray);
  max-width: 560px;
  margin: 0 auto 56px;
  font-size: 1.05rem;
}

.accent{ color: var(--gold); }

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary{
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  color: #14110a;
}
.btn-primary:hover{
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,163,90,0.28);
}
.btn-lg{ padding: 16px 34px; font-size: 0.95rem; }
.btn-block{ width: 100%; }
.btn-nav{ padding: 11px 22px; font-size: 0.85rem; }

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,10,8,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}
.logo{
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 1.1rem;
  text-transform: uppercase;
}
.logo-icon{ height: 32px; width: auto; }
.logo span{ color: var(--gold); }
.main-nav{
  display: flex;
  gap: 32px;
}
.main-nav a{
  color: var(--gray);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.15s ease;
}
.main-nav a:hover{ color: var(--white); }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
}
.mobile-nav{
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 0 24px 20px;
}
.mobile-nav a{
  padding: 12px 0;
  color: var(--gray);
  font-weight: 600;
  border-bottom: 1px solid var(--card-border);
}
.mobile-nav .btn{
  margin-top: 12px;
  border-bottom: none;
}

/* Hero */
.hero{
  position: relative;
  overflow: hidden;
  padding: 100px 0 70px;
  background:
    radial-gradient(circle at 15% 20%, rgba(201,163,90,0.06), transparent 45%),
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 48px 48px, 48px 48px, auto;
}
.roofline{
  position: absolute;
  right: -40px;
  top: 0;
  width: 46%;
  max-width: 560px;
  height: 100%;
  opacity: 0.55;
  pointer-events: none;
}
.roofline svg{ width: 100%; height: 100%; }
.roofline polygon{
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  opacity: 0.6;
}
.roofline line{ stroke: var(--gold); stroke-width: 1; opacity: 0.4; }

.hero-inner{ position: relative; max-width: 760px; }
.hero h1{
  font-size: clamp(2.2rem, 5.4vw, 3.6rem);
  margin-bottom: 20px;
}
.hero-sub{
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 32px;
}

.stats{
  display: flex;
  gap: 48px;
  margin-top: 64px;
  flex-wrap: wrap;
}
.stat{ display: flex; flex-direction: column; gap: 4px; }
.stat-num{
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
}
.stat-label{
  color: var(--gray-dim);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Process */
.process{ padding: 110px 0; border-top: 1px solid var(--card-border); }
.process-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.process-card{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.process-card:hover{
  border-color: var(--gold);
  transform: translateY(-4px);
}
.process-num{
  display: inline-block;
  color: var(--gold);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.process-card h3{
  font-size: 1.4rem;
  margin-bottom: 10px;
}
.process-card > p{
  color: var(--gray);
  margin-bottom: 20px;
  font-size: 0.95rem;
}
.process-card ul li{
  color: var(--gray);
  font-size: 0.9rem;
  padding: 9px 0;
  border-top: 1px solid var(--card-border);
  position: relative;
  padding-left: 18px;
}
.process-card ul li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}

/* Industries */
.industries{ padding: 110px 0; border-top: 1px solid var(--card-border); background: var(--bg-alt); }
.industries-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.industry-card{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  border-top: 3px solid var(--gold);
}
.industry-card h3{
  font-size: 1.25rem;
  margin-bottom: 18px;
}
.industry-card ul li{
  color: var(--gray);
  font-size: 0.9rem;
  padding: 8px 0 8px 18px;
  position: relative;
}
.industry-card ul li::before{
  content: "\2192";
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* FAQ */
.faq{ padding: 110px 0; border-top: 1px solid var(--card-border); }
.faq-list{
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item{
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-question{
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  text-align: left;
  padding: 22px 26px;
  cursor: pointer;
}
.faq-icon{
  color: var(--gold);
  font-size: 1.3rem;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.faq-item.open .faq-icon{ transform: rotate(45deg); }
.faq-answer{
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease;
  padding: 0 26px;
}
.faq-item.open .faq-answer{
  max-height: 220px;
  padding: 0 26px 22px;
}
.faq-answer p{ color: var(--gray); font-size: 0.95rem; }

/* Contact */
.contact{ padding: 110px 0 130px; border-top: 1px solid var(--card-border); background: var(--bg-alt); }
.contact-form{
  max-width: 560px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row{ display: flex; flex-direction: column; gap: 8px; }
.form-row label{
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-dim);
}
.form-row input,
.form-row select{
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 13px 16px;
  color: var(--white);
  font-size: 0.95rem;
  font-family: inherit;
}
.form-row select{ appearance: none; cursor: pointer; }
.form-row input::placeholder{ color: var(--gray-dim); }
.form-row input:focus,
.form-row select:focus{
  outline: none;
  border-color: var(--gold);
}
.form-note{
  text-align: center;
  font-size: 0.9rem;
  color: var(--gold);
  min-height: 1.2em;
}

/* Footer */
.site-footer{ border-top: 1px solid var(--card-border); padding: 40px 0; }
.footer-inner{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-inner p{ color: var(--gray-dim); font-size: 0.9rem; margin-top: 6px; }
.copyright{ color: var(--gray-dim); font-size: 0.85rem; }

/* Responsive */
@media (max-width: 860px){
  .main-nav, .btn-nav{ display: none; }
  .nav-toggle{ display: flex; }
  .mobile-nav.open{ display: flex; }
  .roofline{ opacity: 0.28; width: 60%; }
  .stats{ gap: 32px; }
  .contact-form{ padding: 28px; }
}