:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --soft: #f7f5ef;
  --line: #e8e1cf;
  --text: #1f2328;
  --muted: #5f6773;
  --gold: #b68b2d;
  --gold-dark: #8e6a1d;
  --shadow: 0 18px 45px rgba(22, 30, 45, 0.08);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #ffffff 0%, #fbfaf7 100%);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 32px)); margin: 0 auto; }
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(182,139,45,0.12);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 84px;
}
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand img {
  width: 62px; height: 62px; object-fit: contain; border-radius: 16px;
  background: #fff; border: 1px solid var(--line); padding: 6px; box-shadow: var(--shadow);
}
.brand-name { margin: 0; font-weight: 800; letter-spacing: 0.04em; }
.brand-tag { margin: 2px 0 0; color: var(--muted); font-size: 0.95rem; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { font-weight: 600; color: #39414e; }
.nav a:hover { color: var(--gold-dark); }
.menu-btn {
  display: none; border: 1px solid var(--line); background: #fff; border-radius: 12px;
  padding: 10px 12px; font-size: 1.15rem; cursor: pointer;
}
.hero { padding: 34px 0 22px; }
.hero-grid, .main-grid {
  display: grid; gap: 24px; align-items: start;
}
.hero-grid { grid-template-columns: minmax(0, 1.9fr) minmax(290px, 0.95fr); }
.main-grid { grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.9fr); padding-bottom: 42px; }
.card {
  background: var(--surface);
  border: 1px solid rgba(182,139,45,0.14);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-copy, .sidebar, .section, .panel, .sticky-box { padding: 28px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 999px;
  background: #f7f0df; color: var(--gold-dark); font-weight: 700; font-size: 0.84rem;
  margin-bottom: 12px;
}
.hero-copy h1 { margin: 0; font-size: clamp(2rem, 4vw, 3.55rem); line-height: 1.1; }
.hero-slogan {
  font-size: 1.18rem; color: var(--gold-dark); font-weight: 700; margin: 10px 0 16px;
}
.hero-actions, .stack-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.btn {
  display: inline-flex; justify-content: center; align-items: center; gap: 10px;
  padding: 14px 18px; border-radius: 14px; font-weight: 700; border: 1px solid transparent;
}
.btn-primary { background: linear-gradient(135deg, var(--gold), #c99d3f); color: #fff; }
.btn-light { background: #fff; border-color: var(--line); }
.btn-outline { background: transparent; border-color: var(--gold); color: var(--gold-dark); }
.full { width: 100%; }
.sidebar h2, .section h2, .panel h2, .sticky-box h2 { margin: 0 0 10px; font-size: 1.55rem; }
.contact-list, .side-list { margin: 0; padding-left: 18px; color: var(--muted); }
.contact-list li, .side-list li { margin-bottom: 10px; }
.section { margin-bottom: 24px; }
.section-head { margin-bottom: 14px; }
.cards-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-bottom: 24px; }
.value-grid, .service-cards, .project-list {
  display: grid; gap: 16px;
}
.value-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.value-grid article, .service-cards article, .project-list article, .subsection {
  padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: #fffdfa;
}
.value-grid h3, .service-cards h3, .project-list h3, .subsection h3 { margin-top: 0; margin-bottom: 8px; font-size: 1.12rem; }
.bullet-columns {
  display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px;
}
.bullet-columns ul, .service-cards ul, .subsection ul { margin: 0; padding-left: 18px; }
.service-cards { grid-template-columns: repeat(2, minmax(0,1fr)); }
.project-list { grid-template-columns: repeat(2, minmax(0,1fr)); }
.side-info { display: grid; gap: 24px; }
.sticky-box { position: sticky; top: 110px; }
.second-box { top: 390px; }
.footer {
  background: #15181d; color: #e6e7ea; padding: 28px 0; border-top: 4px solid var(--gold);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap;
}
.footer-title { margin: 0 0 4px; font-weight: 800; letter-spacing: 0.04em; }
p { margin: 0 0 14px; }
ul { margin-top: 0; }
@media (max-width: 980px) {
  .hero-grid, .main-grid, .cards-2, .service-cards, .project-list, .bullet-columns, .value-grid {
    grid-template-columns: 1fr;
  }
  .sticky-box, .second-box { position: static; }
  .nav {
    position: absolute; right: 16px; top: 76px; background: #fff; border: 1px solid var(--line);
    border-radius: 16px; box-shadow: var(--shadow); padding: 14px; min-width: 220px; display: none;
    flex-direction: column; align-items: flex-start;
  }
  .nav.open { display: flex; }
  .menu-btn { display: inline-flex; }
}
@media (max-width: 680px) {
  .container { width: min(var(--max), calc(100% - 22px)); }
  .hero-copy, .sidebar, .section, .panel, .sticky-box { padding: 22px; }
  .brand img { width: 54px; height: 54px; }
  .brand-tag { display: none; }
}