/* container + sections */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(14px, 3vw, 28px);
}

/* green floating container look */
.panel {
  background: var(--surface-3);
  color: var(--nav-ink);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 28px);
}

/* sections */
.section {
  padding-block: clamp(36px, 6vw, 80px);
  background: var(--surface-1);
  border-bottom: 1px solid var(--surface-border);
}
.section.is-alt {
  background: var(--surface-2);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}

/* headings accent bar */
.heading-bar {
  width: 56px; height: 3px;
  background: var(--accent);
  border-radius: 3px;
  margin: 10px 0 18px;
}

/* grid helpers */
.grid { display: grid; gap: clamp(14px, 2.6vw, 28px); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* under-construction (optional) */
.under-construction {
  text-align: center;
  padding: clamp(2rem, 6vw, 4rem) 1rem;
}
.construction-note .card {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.construction-note h2 { color: var(--ink); }
.construction-note p,
.construction-note li,
.construction-note summary { color: var(--ink); opacity: .9; }
.construction-note summary:hover { cursor: pointer; text-decoration: underline; }