.container {
  width: min(100% - 2 * var(--space-md), 1240px);
  margin-inline: auto;
}

.container--narrow { width: min(100% - 2 * var(--space-md), 820px); }

.section { padding-block: var(--space-2xl); position: relative; }
.section--tight { padding-block: var(--space-xl); }
.section--soft { background: var(--bg-soft); }

.section-head {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 900px) {
  .section-head--split {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: end;
  }
}

.section-head p { color: var(--muted); max-width: 56ch; }

.grid { display: grid; gap: var(--space-md); }

@media (min-width: 700px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.stack { display: grid; gap: var(--space-sm); }
.cluster { display: flex; flex-wrap: wrap; gap: var(--space-sm); align-items: center; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-stuck {
  background: rgba(8, 8, 10, 0.82);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
  align-self: flex-end;
  margin-bottom: 4px;
  margin-left: -4px;
}

.brand:hover { color: var(--text); }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-list a { position: relative; padding-block: 6px; }

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  transition: width 0.25s var(--ease);
}

.nav-list a:hover::after,
.nav-list .current-menu-item > a::after { width: 100%; }

.nav-list .current-menu-item > a { color: #fff; }

.header-actions { display: flex; align-items: center; gap: var(--space-sm); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle svg { width: 22px; height: 22px; }

/* Footer */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding-block: var(--space-xl) var(--space-md);
}

.footer-grid {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

@media (min-width: 860px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
}

.footer-col h4 {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--space-sm);
  font-family: var(--font-body);
  font-weight: 600;
}

.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col a { color: var(--muted); }
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.88rem;
}