/* Layout & Grids */
.app-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

@media (min-width: 768px) {
  .app-container {
    padding: 0 40px;
  }
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  height: 60px;
  background-color: rgba(6, 7, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.02em;
  color: var(--tx-0);
  font-weight: 400;
  text-decoration: none;
}

.brand-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  margin-left: -2px;
  vertical-align: middle;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 28px;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--tx-1);
  transition: color var(--d-1) var(--ease-out);
}

.nav-link:hover, .nav-link.active {
  color: var(--tx-0);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 12-Column Grid */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 12; }
.col-7 { grid-column: span 12; }
.col-6 { grid-column: span 12; }
.col-5 { grid-column: span 12; }
.col-4 { grid-column: span 12; }

@media (min-width: 900px) {
  .col-8 { grid-column: span 8; }
  .col-7 { grid-column: span 7; }
  .col-6 { grid-column: span 6; }
  .col-5 { grid-column: span 5; }
  .col-4 { grid-column: span 4; }
}

/* Sections */
section {
  padding: 64px 0;
  position: relative;
}

@media (min-width: 768px) {
  section {
    padding: 96px 0;
  }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 48px;
  margin-top: 80px;
  font-size: 13px;
  color: var(--tx-2);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
  }
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot-sm {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--ok);
}

.status-dot-sm.offline {
  background-color: var(--err);
}