:root {
  --bg: #f5f6f8;
  --bg-strong: #e8eef5;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --ink: #1c1c1c;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #0b2a5b;
  --accent-dark: #1e5bc0;
  --shadow: 0 18px 36px rgba(11, 42, 91, 0.08);
  --shadow-soft: 0 8px 20px rgba(11, 42, 91, 0.06);
  --radius-lg: 6px;
  --radius-md: 6px;
  --radius-sm: 3px;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), calc(100% - 2rem)); margin: 0 auto; }
.narrow { width: min(820px, calc(100% - 2rem)); }
.site-shell { overflow: hidden; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: var(--accent);
  font-weight: 800;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: 0 1rem 0 0;
  border-right: 1px solid var(--accent);
  color: var(--accent);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}
.brand span:not(.brand-mark) {
  display: inline-block;
  max-width: 15ch;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.site-nav { display: flex; align-items: center; gap: 1.25rem; }
.site-nav a { color: var(--muted); font-size: 0.92rem; font-weight: 700; }
.site-nav a.active, .site-nav a:hover { color: var(--ink); }
.site-nav a.active {
  position: relative;
}
.site-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.45rem;
  width: 100%;
  height: 2px;
  background: var(--accent);
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1rem;
  font: inherit;
  font-weight: 800;
}

.hero, .page-hero { padding: 3.8rem 0 1.6rem; }
.hero-grid, .split, .contact-grid, .callout-box, .footer-grid { display: grid; gap: 2rem; }
.hero-grid { grid-template-columns: 1.3fr 0.9fr; align-items: start; }

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -0.04em; }
h1, h2 { font-family: Arial, Helvetica, sans-serif; letter-spacing: 0; }
h1 { font-size: clamp(2rem, 4.3vw, 3.7rem); max-width: 13ch; }
h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); }
h3 { font-size: 1.15rem; }
p { margin: 0; color: var(--muted); }
.lead { font-size: 1.05rem; max-width: 62ch; margin-top: 1.5rem; }
.page-hero h1 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  color: var(--accent-dark);
  max-width: 18ch;
}
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.92);
  margin-left: 0.25rem;
}
.lang-switch a {
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}
.lang-switch a.active {
  background: var(--accent);
  color: #fff;
}

.hero-panel, .card, .project-card, .service-panel, .project-detail, .contact-panel, .callout-box {
  background: var(--surface);
  border: 1px solid rgba(31, 40, 35, 0.08);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(6px);
}
.hero-panel, .callout-box { border-radius: var(--radius-lg); padding: 1.4rem; }
.hero-panel { border-top: 4px solid var(--accent); }
.panel-title { color: var(--ink); font-weight: 700; margin-bottom: 1rem; }
.stat-list, .site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.stat-list strong { display: block; margin-bottom: 0.3rem; color: var(--ink); }

.cta-row, .section-cta { display: flex; gap: 0.85rem; flex-wrap: wrap; margin-top: 1.4rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  border-radius: var(--radius-sm);
  padding: 0.8rem 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: var(--shadow-soft);
}
.button-primary { background: var(--accent); color: #ffffff; }
.button-primary:hover { background: var(--accent-dark); }
.button-secondary { background: var(--surface); border: 1px solid var(--line); color: var(--accent); }
.button-secondary:hover { border-color: var(--accent-dark); color: var(--accent-dark); }

.trust-band { padding: 1rem 0 0; }
.trust-grid {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-strong);
}
.trust-grid p { color: var(--ink); font-weight: 600; }
.section { padding: 2.2rem 0; }
.section-alt { background: var(--bg-strong); }
.section-head { max-width: 760px; margin-bottom: 1rem; }
.section-head p:last-child { margin-top: 0.75rem; }

.card-grid, .project-grid, .project-stack, .services-stack { display: grid; gap: 1.25rem; }
.three-up, .project-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card, .project-card, .service-panel, .project-detail, .contact-panel {
  border-radius: var(--radius-md);
  padding: 1.15rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(249, 252, 255, 0.92));
}
.card p, .project-card p, .service-panel p, .project-detail p { margin-top: 0.55rem; }
.split, .contact-grid, .callout-box { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.footer-grid { grid-template-columns: 1.2fr 0.8fr 0.9fr; }
.stack { display: grid; gap: 0.75rem; }
.services-stack {
  gap: 0.85rem;
}
.service-panel,
.project-detail,
.contact-panel {
  border-left: 4px solid rgba(30, 91, 192, 0.28);
}
.card:hover,
.project-card:hover,
.service-panel:hover,
.project-detail:hover,
.contact-panel:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.project-tag {
  display: inline-block;
  margin-bottom: 0.85rem;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent-dark);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.feature-list, .contact-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.8rem;
}
.meta-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--accent-dark);
  font-size: 0.92rem;
  font-weight: 700;
}
.contact-list { list-style: none; padding-left: 0; }
.contact-list li {
  display: grid;
  gap: 0.3rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}
.contact-form { display: grid; gap: 0.8rem; }
.contact-form label { display: grid; gap: 0.45rem; color: var(--ink); font-weight: 600; }
.contact-form input, .contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  padding: 0.95rem 1rem;
  font: inherit;
  color: var(--ink);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(30, 91, 192, 0.18);
  border-color: rgba(30, 91, 192, 0.5);
}
.map-frame {
  width: 100%;
  min-height: 280px;
  border: 0;
  border-radius: var(--radius-md);
  margin-top: 0.8rem;
}
.form-note { margin-top: 1rem; font-size: 0.94rem; }
.site-footer {
  padding: 1.6rem 0 2rem;
  border-top: 1px solid var(--line);
  background: var(--accent);
}
.site-footer p,
.site-footer li,
.site-footer a { color: rgba(255, 255, 255, 0.78); }
.footer-brand, .footer-heading { margin-bottom: 0.8rem; color: var(--ink); font-weight: 800; }
.footer-brand,
.footer-heading {
  color: #ffffff;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 960px) {
  .hero-grid, .split, .contact-grid, .footer-grid, .callout-box, .three-up, .project-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav-wrap { align-items: flex-start; }
  .brand { gap: 0.7rem; }
  .brand-mark {
    min-height: 2.5rem;
    padding-right: 0.75rem;
    font-size: 1.65rem;
  }
  .brand span:not(.brand-mark) {
    max-width: 12ch;
    font-size: 0.62rem;
  }
  .nav-right {
    gap: 0.5rem;
    margin-left: 0;
  }
  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .lang-switch {
    order: 2;
  }
  .hero, .page-hero { padding-top: 3rem; }
  .cta-row, .section-cta { flex-direction: column; align-items: stretch; }
  .card:hover,
  .project-card:hover,
  .service-panel:hover,
  .project-detail:hover,
  .contact-panel:hover {
    transform: none;
  }
  .lang-switch a {
    padding: 0.4rem 0.65rem;
  }
}