:root {
  --bg: #090705;
  --bg-soft: #110d09;
  --panel: rgba(18, 13, 9, 0.82);
  --panel-2: rgba(24, 18, 12, 0.92);
  --text: #f8efe3;
  --muted: #d0baa0;
  --line: rgba(207, 161, 97, 0.35);
  --gold: #d6ad6a;
  --gold-2: #b88642;
  --gold-soft: rgba(214, 173, 106, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top, rgba(184, 134, 66, 0.14), transparent 35%),
    linear-gradient(180deg, #080604 0%, #0b0907 40%, #070605 100%);
  color: var(--text);
  font-family: 'Inter', sans-serif;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-shell { overflow-x: hidden; }
.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.section { padding: 88px 0; position: relative; }
.section-dark { background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(214,173,106,0.03)); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(7, 6, 5, 0.75);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.brand-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--gold);
  box-shadow: inset 0 0 18px rgba(214, 173, 106, 0.08);
}
.brand-text strong,
.brand-text em {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand-text strong {
  font-size: 1.5rem;
  font-style: normal;
  line-height: 1;
}
.brand-text em {
  font-size: 0.8rem;
  color: var(--muted);
  font-style: normal;
  margin-top: 4px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav a:not(.btn) {
  font-size: 0.95rem;
  color: #f0dfca;
}
.mobile-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  padding: 10px 12px;
  border-radius: 12px;
}

.hero {
  position: relative;
  min-height: calc(100vh - 86px);
  display: flex;
  align-items: center;
  background:
    linear-gradient(180deg, rgba(5,4,3,0.55), rgba(5,4,3,0.88)),
    radial-gradient(circle at 70% 25%, rgba(214,173,106,0.22), transparent 22%),
    linear-gradient(135deg, rgba(32,24,16,0.4), rgba(6,6,6,0.1)),
    url('../img/reference-design.jpg') center/cover no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4,4,4,0.82) 0%, rgba(4,4,4,0.48) 45%, rgba(4,4,4,0.75) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 90px 0;
  max-width: 820px;
}
.eyebrow,
.section-kicker {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  margin-bottom: 14px;
}
.hero h1,
.section h2,
.card h3,
.standard-item h3,
.footer h4 {
  font-family: 'Cormorant Garamond', serif;
}
.hero h1 {
  margin: 0;
  font-size: clamp(3.2rem, 8vw, 5.8rem);
  line-height: 0.95;
  max-width: 9ch;
}
.hero-copy {
  max-width: 640px;
  font-size: 1.1rem;
  line-height: 1.8;
  color: #f0dfca;
  margin: 24px 0 34px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-weight: 600;
  transition: 0.25s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-gold {
  background: linear-gradient(180deg, #efca94 0%, var(--gold) 100%);
  color: #22180d;
  border-color: rgba(255, 224, 177, 0.4);
  box-shadow: 0 10px 35px rgba(184, 134, 66, 0.25);
}
.btn-outline {
  background: rgba(255,255,255,0.02);
  color: var(--text);
}
.btn-sm { padding: 12px 18px; }
.hero-metrics {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.hero-metrics div,
.card,
.standard-item,
.intro-card .intro-grid,
.cta-inner {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.hero-metrics div {
  border-radius: 16px;
  padding: 18px;
}
.hero-metrics strong {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  color: var(--gold);
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.hero-metrics span { color: var(--muted); font-size: 0.95rem; line-height: 1.6; }

.intro-card { padding-top: 0; margin-top: -48px; z-index: 2; }
.intro-grid {
  padding: 28px 30px;
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}
.section-heading.center { text-align: center; margin-inline: auto auto; }
.section h2 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin: 0 0 10px;
  line-height: 1;
}
.section p { color: var(--muted); line-height: 1.8; }
.service-grid,
.standards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.card,
.standard-item {
  padding: 28px;
  border-radius: var(--radius);
}
.service-card .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.card h3,
.standard-item h3 {
  margin: 0 0 12px;
  font-size: 1.75rem;
}
.service-card ul,
.bordered-list ul {
  margin: 18px 0 0;
  padding-left: 20px;
  color: #f3e6d8;
}
.service-card li,
.bordered-list li { margin-bottom: 10px; line-height: 1.6; }

.split-band { position: relative; }
.split-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 28px;
  align-items: start;
}
.bordered-list {
  background: var(--panel-2);
}

.standards-grid {
  grid-template-columns: repeat(2, 1fr);
}
.standard-item {
  background: linear-gradient(180deg, rgba(214,173,106,0.07), rgba(255,255,255,0.01));
}

.cta-banner { padding-top: 20px; }
.cta-inner {
  border-radius: 22px;
  padding: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.cta-inner h2 { max-width: 12ch; }

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 28px;
  align-items: start;
}
.contact-details { margin-top: 22px; }
.contact-form {
  display: grid;
  gap: 16px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  color: #f2dfca;
}
input,
textarea,
select {
  width: 100%;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(214,173,106,0.2);
  border-radius: 12px;
  color: var(--text);
  font: inherit;
  padding: 14px 16px;
}
select option { color: #111; }
input::placeholder,
textarea::placeholder { color: #a88a65; }

.footer {
  padding: 30px 0 50px;
  border-top: 1px solid var(--line);
  background: rgba(5,4,3,0.8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.9fr;
  gap: 26px;
}
.footer-brand { margin-bottom: 16px; }
.footer h4 {
  margin: 0 0 10px;
  font-size: 1.4rem;
}
.footer a,
.footer span {
  display: block;
  color: var(--muted);
  margin-bottom: 10px;
}

@media (max-width: 980px) {
  .hero-metrics,
  .service-grid,
  .contact-grid,
  .intro-grid,
  .split-grid,
  .footer-grid,
  .standards-grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-grid .service-card:last-child,
  .hero-metrics div:last-child { grid-column: span 2; }

  .nav {
    position: absolute;
    top: 86px;
    right: 1rem;
    width: min(320px, calc(100% - 2rem));
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border-radius: 16px;
    background: rgba(11, 9, 7, 0.98);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .mobile-toggle { display: inline-flex; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero h1 { font-size: 3rem; }
  .hero-copy { font-size: 1rem; }
  .hero-metrics,
  .service-grid,
  .contact-grid,
  .intro-grid,
  .split-grid,
  .footer-grid,
  .standards-grid {
    grid-template-columns: 1fr;
  }
  .service-grid .service-card:last-child,
  .hero-metrics div:last-child { grid-column: auto; }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .brand-text strong { font-size: 1.2rem; }
}