:root {
  --bg: oklch(13% 0.012 150);
  --bg-alt: oklch(9% 0.012 150);
  --card-bg: oklch(17% 0.015 150);
  --text: oklch(94% 0.01 150);
  --text-muted: oklch(72% 0.012 150);
  --text-muted-2: oklch(70% 0.01 150);
  --text-muted-3: oklch(65% 0.01 150);
  --text-muted-4: oklch(85% 0.01 150);
  --border: oklch(28% 0.015 150);
  --input-border: oklch(32% 0.015 150);
  --accent: oklch(78% 0.22 150);
  --accent-hover: oklch(85% 0.24 150);
  --icon-bg: oklch(30% 0.09 150);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: 'Archivo Black', sans-serif;
  text-transform: uppercase;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
::selection { background: oklch(78% 0.22 150 / 0.35); }

.eyebrow {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.btn {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  padding: 15px 30px;
  border-radius: 999px;
  cursor: pointer;
  border: 1.5px solid transparent;
  text-align: center;
}
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: var(--accent-hover); color: var(--bg); }
.btn-outline { border-color: var(--accent); color: var(--accent); padding: 12px 26px; font-size: 14px; }
.btn-outline:hover { background: var(--accent); color: var(--bg); }
.btn-ghost { border-color: oklch(40% 0.02 150); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; border: none; font-family: inherit; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 56px;
  background: oklch(13% 0.012 150 / 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.brand:hover { color: var(--text); }
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--icon-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Unbounded', sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
}
.brand-name {
  font-family: 'Unbounded', sans-serif;
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.brand-name .accent { color: var(--accent); }
.nav-panel { display: flex; align-items: center; gap: 36px; }
.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav a { font-size: 15px; font-weight: 500; color: oklch(85% 0.01 150); }
.main-nav a:hover, .main-nav a.is-active { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Sections */
main { max-width: 1200px; margin: 0 auto; }

.hero { padding: 140px 56px 120px; max-width: 980px; }
.hero h1 { font-size: 64px; line-height: 1.05; margin: 0 0 28px; }
.hero .lead { font-size: 20px; line-height: 1.6; color: var(--text-muted); max-width: 640px; margin: 0 0 40px; }
.cta-row { display: flex; gap: 16px; flex-wrap: wrap; }

.pillars {
  padding: 0 56px 120px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.pillar-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 36px 32px;
  background: var(--card-bg);
}
.pillar-icon { width: 40px; height: 40px; border-radius: 6px; background: var(--icon-bg); margin-bottom: 24px; }
.pillar-card h3 { font-size: 19px; margin: 0 0 12px; }
.pillar-card p { font-size: 15px; line-height: 1.6; color: var(--text-muted); margin: 0; }

.stats-band, .stats-row {
  padding: 80px 56px;
  background: var(--bg-alt);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stats-row {
  padding: 48px 0;
  background: transparent;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 0 0 64px;
}
.stat-value { font-family: 'Archivo Black', sans-serif; font-size: 44px; font-weight: 400; color: var(--accent); letter-spacing: -0.01em; }
.stat-value-sm { font-size: 36px; }
.stat-label { font-size: 14px; color: var(--text-muted-2); margin-top: 8px; }

.services-section { padding: 0 56px 120px; max-width: 980px; margin: 0 auto; }
.services-section h2 { font-size: 40px; margin: 0 0 20px; }
.section-lead { font-size: 17px; line-height: 1.7; color: var(--text-muted); max-width: 640px; margin: 0 0 48px; }
.services-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.service-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 32px;
  padding: 40px;
  background: var(--card-bg);
}
.service-row h3 { font-size: 21px; }
.service-row p { font-size: 15px; line-height: 1.65; color: var(--text-muted); margin: 0; }
.service-forwhom { font-size: 13px; color: var(--text-muted-3); }
.service-forwhom strong { color: var(--text-muted-4); }

.closing-cta { padding: 120px 56px; max-width: 900px; text-align: center; margin: 0 auto; }
.closing-cta h2 { font-size: 36px; margin: 0 0 20px; }
.closing-cta p { font-size: 17px; line-height: 1.7; color: var(--text-muted); margin: 0 0 36px; }

.page-header, .apropos-wrap, .contact-grid { padding: 140px 56px 120px; }
.page-header h1, .apropos-wrap h1, .contact-grid h1 { font-size: 48px; margin: 0 0 24px; }
.page-header .section-lead { margin-bottom: 64px; }

.projects-grid, .team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 0 56px;
}
.project-card { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: var(--card-bg); }
.project-body { padding: 28px; }
.project-sector { font-size: 13px; font-weight: 600; color: var(--accent); margin-bottom: 8px; }
.project-card h3 { font-size: 19px; margin: 0 0 12px; }
.project-card p { font-size: 14px; line-height: 1.6; color: var(--text-muted); margin: 0 0 16px; }
.project-result { font-size: 14px; font-weight: 600; padding-top: 16px; border-top: 1px solid var(--border); color: var(--text-muted-4); }

.img-placeholder {
  width: 100%;
  height: 180px;
  border-radius: 0;
  background: repeating-linear-gradient(45deg, var(--bg-alt), var(--bg-alt) 10px, var(--card-bg) 10px, var(--card-bg) 20px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-muted-2);
  text-align: center;
}
.img-placeholder-round { border-radius: 6px; aspect-ratio: 1; height: auto; margin-bottom: 16px; }

.apropos-wrap { max-width: 980px; margin: 0 auto; }
.apropos-wrap .section-lead { max-width: 700px; margin: 0 0 24px; }
.team-section h2 { font-size: 25px; margin: 0 0 28px; }
.team-grid { padding: 0; }
.team-name { font-weight: 600; font-size: 16px; }
.team-role { font-size: 14px; color: var(--text-muted-2); margin-top: 4px; }

.contact-grid {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding-bottom: 140px;
}
.contact-details { font-size: 15px; color: var(--text-muted); line-height: 2; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input, .contact-form textarea {
  font-family: inherit;
  font-size: 15px;
  padding: 14px 18px;
  border: 1px solid var(--input-border);
  background: var(--card-bg);
  color: var(--text);
}
.contact-form input { border-radius: 999px; }
.contact-form textarea { border-radius: 20px; resize: vertical; }

.site-footer {
  padding: 40px 56px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted-3);
}

@media (max-width: 900px) {
  html, body { overflow-x: hidden; width: 100%; }
  .site-header { padding: 16px 24px; }
  .nav-toggle { display: flex; }
  .nav-panel {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }
  .nav-panel.is-open { display: flex; }
  .main-nav { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav a {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
  }
  .nav-cta { margin: 16px 24px 20px; text-align: center; }
  .hero, .services-section, .page-header, .apropos-wrap, .closing-cta { padding-left: 24px; padding-right: 24px; }
  .hero h1 { font-size: 40px; }
  .pillars, .stats-band, .stats-row, .projects-grid, .team-grid { grid-template-columns: 1fr; padding-left: 24px; padding-right: 24px; }
  .service-row { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; padding-left: 24px; padding-right: 24px; gap: 48px; }
}