/* Classroom Management hub — layout unique to this page.
   Tokens all come from /tools/_shared/tool.css so dark/light theming
   works automatically. Nothing here defines a colour, font or scale. */

/* ---------- Hero ---------- */
.cm-hero {
  max-width: 720px;
  margin: 0 auto var(--space-10);
  text-align: center;
}
.cm-hero h1 {
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}
.cm-hero .cm-free { color: var(--accent); }
.cm-lead {
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.55;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

/* ---------- The three cards ---------- */
.cm-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  max-width: 780px;
  margin: 0 auto var(--space-12);
}
.cm-card {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--card-grad);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 2px 10px var(--card-shadow);
  text-decoration: none;
  color: inherit;
  transition: var(--transition-colors), transform 0.14s ease,
              box-shadow 0.14s ease;
}
.cm-card:hover,
.cm-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px var(--card-shadow-h);
  border-color: var(--accent);
}
.cm-card img {
  flex: 0 0 96px;
  width: 96px;
  height: 96px;
  display: block;
}
.cm-card-body { flex: 1; min-width: 0; }
.cm-card h2 {
  font-size: clamp(21px, 3.2vw, 27px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--card-ink);
  margin-bottom: var(--space-2);
}
.cm-card p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--card-ink-soft);
  margin: 0;
}
.cm-card-go {
  margin-top: var(--space-3);
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--card-arrow);
}

@media (max-width: 560px) {
  .cm-card {
    flex-direction: column;
    text-align: center;
    gap: var(--space-4);
    padding: var(--space-5);
  }
  .cm-card img { flex-basis: auto; }
}