.site { min-height: 100vh; }
.sidebar {
  position: fixed;
  z-index: 70;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  height: 100vh;
  padding: 24px 16px 22px 26px;
  border-right: 1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(180deg, rgba(4,7,13,.98), rgba(4,8,14,.96)),
    radial-gradient(circle at 0 0, rgba(247,156,53,.08), transparent 36%);
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  overflow-y: auto;
}
.sidebar::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 24px;
  width: 1px;
  height: 108px;
  background: linear-gradient(var(--orange), rgba(247,156,53,.15));
}
.sidebar__brand { padding-left: 20px; position: relative; z-index: 1; }
.sidebar__name {
  margin: 0;
  font-size: 22px;
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.sidebar__roles { margin-top: 14px; display: grid; gap: 6px; }
.sidebar__role { color: var(--muted); font-size: 11px; letter-spacing: .08em; }
.sidebar__nav { margin-top: 28px; display: grid; gap: 6px; position: relative; z-index: 1; }
.sidebar__link {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
  align-items: center;
  min-height: 36px;
  color: var(--muted);
  transition: color .22s ease, transform .22s ease, background .22s ease;
  position: relative;
}
.sidebar__link::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 1px;
  bottom: 1px;
  width: 2px;
  background: var(--orange);
  transform: scaleY(0);
  transition: transform .22s ease;
  transform-origin: center;
}
.sidebar__link:hover,
.sidebar__link.is-active { color: #f2f5fa; transform: translateX(2px); }
.sidebar__link.is-active::before { transform: scaleY(1); }
.sidebar__num { font-size: 11px; }
.sidebar__nav-label { font-size: 14px; line-height: 1.4; letter-spacing: .04em; }
.sidebar__link:focus-visible { outline: 1px solid var(--orange); outline-offset: 3px; }
.sidebar__spacer { flex: 1; }
.sidebar__social { display: flex; justify-content: center; gap: 12px; width: calc(100% + 10px); margin: 0 0 16px -10px; }
.sidebar__social a { color: #748196; font-size: 15px; font-weight: 700; }
.sidebar__cv {
  width: calc(100% + 10px);
  margin-left: -10px;
  border: 1px solid rgba(150,176,214,.18);
  border-radius: 4px;
  height: 44px;
  flex-shrink: 0;
  padding: 0 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .22s ease, border-color .22s ease, background .22s ease;
}
.sidebar__cv:hover { color: #fff; border-color: rgba(247,156,53,.5); background: rgba(247,156,53,.04); }
.main { margin-left: var(--sidebar-w); min-height: 100vh; }
[data-nav-section] { scroll-margin-top: var(--navigation-offset, 0px); }
.section__title {
  margin: 0;
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: .97;
  text-transform: uppercase;
}