/* ==========================================================================
   Base — tipografia, container, utilitários
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-sm);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-lg);
  }
}

section {
  padding-block: var(--space-xl);
}

/* Evita que o cabeçalho fixo cubra o topo das seções ao usar links âncora */
section[id] {
  scroll-margin-top: var(--header-height);
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-primary {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}

.section-primary h1,
.section-primary h2,
.section-primary h3,
.section-primary p {
  color: var(--color-text-on-dark);
}

.section-dark {
  background: var(--gradient-brand);
  color: rgba(255, 255, 255, 0.85);
}

.section-dark h1,
.section-dark h2,
.section-dark h3 {
  color: #fff;
}

.section-dark p {
  color: rgba(255, 255, 255, 0.8);
}

.section-dark .text-muted {
  color: rgba(255, 255, 255, 0.6);
}

/* Cards continuam com fundo claro mesmo dentro de seções escuras:
   restaura a cor de texto padrão para todo o conteúdo do card */
.section-dark .card {
  color: var(--color-text-body);
}

.section-dark .card h1,
.section-dark .card h2,
.section-dark .card h3,
.section-dark .card h4,
.section-dark .card p,
.section-dark .card label,
.section-dark .card li {
  color: var(--color-text-body);
}

.section-dark .card .text-muted,
.section-dark .card .form-check,
.section-dark .card .form-note {
  color: var(--color-text-muted);
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

p {
  color: var(--color-text-body);
}

.text-muted {
  color: var(--color-text-muted);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary-dark);
  background: rgba(66, 174, 168, 0.12);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: var(--space-sm);
}

.section-primary .eyebrow {
  color: var(--color-secondary-lighter);
  background: rgba(255, 255, 255, 0.12);
}

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.section-header.center {
  margin-inline: auto;
  text-align: center;
}

.text-center {
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-sm);
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}