:root {
  --oler-blue: #479EF8;
  --oler-dark: #4A4A4D;
  --panel: #2E2E33;
  --panel-border: #5A5A60;
  --panel-light: #F2F2F5;
  --deep: #17181b;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--oler-dark); }
body {
  margin: 0;
  background: var(--oler-dark);
  color: var(--panel-light);
  font-family: Barlow, Inter, sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
.site-shell { min-height: 100vh; overflow-x: hidden; }
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(74, 74, 77, 0.96);
  border-bottom: 1px solid var(--panel-border);
  backdrop-filter: blur(10px);
}
.nav-inner, .section-inner, .footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.nav-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex: 0 0 auto;
}
.logo img { height: 68px; width: auto; display: block; }
.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 600;
}
.nav-links a {
  text-decoration: none;
  color: rgba(242, 242, 245, 0.88);
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}
.nav-links a:hover { color: var(--oler-blue); }
.nav-cta {
  padding: 10px 18px;
  background: var(--oler-blue);
  color: white !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
  font-weight: 700;
}
.hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 96px;
  border-bottom: 1px solid var(--panel-border);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, #38383B 1px, transparent 1px), linear-gradient(to bottom, #38383B 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.22;
  pointer-events: none;
}
.hero .section-inner { position: relative; z-index: 1; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  border: 1px solid rgba(71, 158, 248, 0.35);
  background: rgba(71, 158, 248, 0.10);
  color: var(--oler-blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 26px;
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--oler-blue);
  box-shadow: 0 0 18px rgba(71, 158, 248, 0.7);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 920px;
  margin-bottom: 24px;
  color: white;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.98;
  font-weight: 700;
}
.accent { color: var(--oler-blue); }
.lead {
  max-width: 790px;
  margin-bottom: 20px;
  color: rgba(242, 242, 245, 0.9);
  font-family: Inter, sans-serif;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 300;
}
.service-area {
  max-width: 790px;
  margin-bottom: 34px;
  color: rgba(242, 242, 245, 0.72);
  font-family: Inter, sans-serif;
  font-size: 0.98rem;
}
.actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 13px 22px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--panel-border);
}
.button-primary { background: var(--oler-blue); border-color: var(--oler-blue); color: white; box-shadow: 0 14px 36px rgba(71, 158, 248, 0.22); }
.button-secondary { background: rgba(46, 46, 51, 0.72); color: white; }
.band { padding: 84px 0; border-bottom: 1px solid var(--panel-border); }
.band-panel { background: var(--panel); }
.section-title { margin-bottom: 42px; }
.section-title span {
  display: block;
  color: var(--oler-blue);
  font-family: "JetBrains Mono", monospace;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}
.section-title h2 {
  color: white;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08;
  margin-bottom: 14px;
}
.rule { width: 96px; height: 4px; background: var(--oler-blue); }
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.card {
  min-height: 132px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 24px;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
}
.band-panel .card { background: var(--oler-dark); }
.card-mark {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--oler-dark);
  color: var(--oler-blue);
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  margin-bottom: 16px;
}
.band-panel .card-mark { background: var(--deep); }
.card h3 {
  color: white;
  font-size: 1.05rem;
  line-height: 1.2;
  margin-bottom: 8px;
}
.card p {
  margin: 0;
  color: rgba(242, 242, 245, 0.74);
  font-family: Inter, sans-serif;
  font-size: 0.94rem;
}
.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 48px;
  align-items: start;
}
.body-copy {
  color: rgba(242, 242, 245, 0.78);
  font-family: Inter, sans-serif;
  max-width: 680px;
}
.related-list { display: grid; gap: 12px; }
.related-link {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  background: var(--oler-dark);
  border: 1px solid var(--panel-border);
  color: rgba(242, 242, 245, 0.9);
  text-decoration: none;
  font-weight: 700;
}
.related-link:hover { border-color: var(--oler-blue); color: white; }
.footer {
  background: var(--oler-dark);
  padding: 72px 0 34px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 42px;
  margin-bottom: 52px;
}
.footer-logo { height: 44px; width: auto; margin-bottom: 20px; }
.footer p, .footer li { color: rgba(242, 242, 245, 0.66); font-family: Inter, sans-serif; }
.footer h3 { color: white; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.92rem; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.footer a { color: rgba(242, 242, 245, 0.82); text-decoration: none; }
.footer a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid var(--panel-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: rgba(242, 242, 245, 0.42);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
}
@media (max-width: 900px) {
  .nav-inner { align-items: flex-start; flex-direction: column; padding-top: 14px; padding-bottom: 16px; }
  .nav-links { justify-content: flex-start; gap: 14px 22px; }
  .hero { padding-top: 64px; padding-bottom: 72px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split, .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .nav-inner, .section-inner, .footer-inner { padding-left: 16px; padding-right: 16px; }
  .logo img { height: 58px; }
  .nav-links { font-size: 13px; }
  .nav-cta { width: 100%; text-align: center; }
  h1 { font-size: clamp(2.4rem, 14vw, 3.4rem); }
  .actions { flex-direction: column; }
  .button { width: 100%; }
  .grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}