/* ===========================
   LAYOUT — Container, Grid, Seções, Botões
   Machado Plataformas
   Depende de: variables.css
=========================== */

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-default);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--wide {
  max-width: var(--container-max);
}

/* ── Section Base ── */
.section {
  padding-block: var(--section-md);
  position: relative;
  overflow: hidden;
  scroll-margin-top: calc(var(--navbar-height) + var(--space-6));
}

.section--sm  { padding-block: var(--section-sm); }
.section--lg  { padding-block: var(--section-lg); }

.section--dark  { background-color: var(--color-bg); }
.section--mid   { background-color: var(--color-bg-mid); }
.section--light {
  background-color: var(--color-surface);
  color: var(--color-text-dark);
}

/* ── Section Header ── */
.section-header {
  margin-bottom: var(--space-12);
}

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

.section-header--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
}

.section-heading {
  --heading-rule: var(--color-stats-border);
  --heading-title: var(--color-stats-text);
  --heading-meta: var(--color-primary);

  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3) var(--space-5);
  align-items: center;
}

.section-heading--compact {
  max-width: 46rem;
}

.section-heading__meta {
  grid-column: 1;
  color: var(--heading-meta);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.section-heading__rule {
  position: relative;
  grid-column: 2;
  width: 100%;
  height: 1px;
  overflow: visible;
  background-color: var(--heading-rule);
  transform-origin: left;
}

.section-heading__square {
  position: absolute;
  top: -0.32rem;
  left: 0;
  width: 0.65rem;
  height: 0.65rem;
  background-color: var(--heading-meta);
  transform-origin: center;
}

.section-heading__title {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 52rem;
  overflow-wrap: normal;
  color: var(--heading-title);
  font-family: 'Horizon', var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.section-heading__subtitle {
  grid-column: 1 / -1;
  max-width: 40rem;
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.6;
}

/* ── Grid ── */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
  .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); }
}

/* ── Flex Utilities ── */
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col     { display: flex; flex-direction: column; }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }

/* ── Botões Base ── */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  overflow: hidden;
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  transition:
    color var(--dur-normal) var(--ease-premium),
    box-shadow var(--dur-fast) var(--ease-premium);
  white-space: nowrap;
  border: 2px solid transparent;
  z-index: 0;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-normal) var(--ease-premium);
  z-index: -1;
}

.btn:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.btn span {
  position: relative;
  z-index: 1;
  pointer-events: none;
}

/* Focus */
.btn:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 3px;
}

.btn--split:focus-visible {
  outline: none;
}

.btn--split:focus-visible .btn__label {
  box-shadow: inset 0 0 0 2px var(--color-primary-light);
}

/* Disabled */
.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.42;
  pointer-events: none;
  cursor: not-allowed;
}

.btn__label,
.btn__plus {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Filled — Azul primário */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn--primary::before {
  background-color: var(--color-primary-light);
}

/* Ghost — transparente com borda */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.btn--ghost::before {
  background-color: var(--color-bg-light);
}

/* WhatsApp */
.btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  border-color: var(--color-whatsapp);
}

.btn--whatsapp::before {
  background-color: var(--color-whatsapp-soft);
}

.btn--whatsapp:hover {
  box-shadow: var(--shadow-whatsapp-soft);
}

/* Outline */
.btn--outline {
  background-color: transparent;
  color: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

.btn--outline::before {
  background-color: var(--color-primary);
}

.btn--outline:hover {
  color: var(--color-white);
}

/* ── Split CTA — bloco principal + quadrado com + ── */
.btn--split {
  gap: var(--button-split-gap);
  padding: 0;
  overflow: hidden;
  border: 0;
  background-color: transparent;
}

.btn--split::before {
  content: none;
}

.btn--split:hover {
  transform: none;
  filter: none;
}

.btn--split:active {
  transform: none;
  filter: none;
}

.btn--split .btn__label,
.btn--split .btn__plus {
  min-height: 2.75rem;
  flex-shrink: 0;
  transition:
    background-color 280ms var(--ease-premium),
    color 280ms var(--ease-premium),
    box-shadow 280ms var(--ease-premium),
    letter-spacing 280ms var(--ease-premium),
    transform 180ms var(--ease-premium);
}

.btn--split .btn__label {
  position: relative;
  z-index: 2;
  padding-inline: 1rem;
  font-family: var(--font-ui-mono);
  font-size: 0.72rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}


.btn--split .btn__plus {
  position: relative;
  z-index: 1;
  min-width: 2.5rem;
  padding-inline: 0.55rem;
  font-family: var(--font-ui-mono);
  font-size: 1rem;
  font-weight: var(--weight-medium);
  line-height: 1;
}

/* ── Variante: Primary ── */
.btn--split-primary .btn__label {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: inset 0 1px 0 var(--color-white-subtle);
}

.btn--split-primary .btn__plus {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}

.btn--split-primary:hover .btn__label {
  background-color: var(--color-primary-light);
  box-shadow: inset 0 1px 0 var(--color-white-soft), var(--shadow-primary-soft);
}

.btn--split-primary:hover .btn__plus {
  background-color: #1ebe5d;
}

/* ── Variante: Outline ── */
.btn--split-outline .btn__label {
  background-color: transparent;
  color: var(--color-primary-light);
  box-shadow: inset 0 0 0 1px var(--color-primary-light);
}

.btn--split-outline .btn__plus {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: none;
}

.btn--split-outline:hover .btn__label {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: inset 0 0 0 1px var(--color-primary), 0 8px 24px var(--color-primary-glow);
}

.btn--split-outline:hover .btn__plus {
  background-color: #1ebe5d;
  color: var(--color-white);
  box-shadow: none;
}

/* ── Variante: Ghost ── */
.btn--split-ghost .btn__label {
  background-color: transparent;
  color: var(--color-text);
  box-shadow: inset 0 0 0 1px var(--color-border-light);
}

.btn--split-ghost .btn__plus {
  background-color: transparent;
  color: var(--color-text);
  box-shadow: inset 0 0 0 1px var(--color-border-light);
}

.btn--split-ghost:hover .btn__label {
  background-color: var(--color-bg-light);
  box-shadow: inset 0 0 0 1px var(--color-border-light), var(--shadow-control-hover);
}

.btn--split-ghost:hover .btn__plus {
  background-color: var(--color-bg-light);
}

/* ── Variante: WhatsApp ── */
.btn--split-whatsapp .btn__label {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}

.btn--split-whatsapp .btn__plus {
  background-color: var(--color-black-muted);
  color: var(--color-white);
}

.btn--split-whatsapp:hover .btn__label {
  background-color: var(--color-whatsapp-soft);
  box-shadow: var(--shadow-whatsapp-strong);
}

.btn--split-whatsapp:hover .btn__plus {
  background-color: var(--color-whatsapp);
}

/* ── btn__plus — microinteração compartilhada ── */
.btn--split:hover .btn__plus {
  transform: none;
}

.btn--split:active .btn__plus {
  transform: none;
}

/* Ícone interno */
.btn__icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* ── Tamanhos do Split ── */
.btn--split--sm .btn__label,
.btn--split--sm .btn__plus {
  min-height: 2.25rem;
}

.btn--split--sm .btn__label {
  padding-inline: 0.85rem;
  font-size: 0.68rem;
  letter-spacing: 0.09em;
}

.btn--split--sm .btn__plus {
  min-width: 2.25rem;
  font-size: 0.9rem;
}

.btn--split--lg .btn__label,
.btn--split--lg .btn__plus {
  min-height: 3.25rem;
}

.btn--split--lg .btn__label {
  padding-inline: 1.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.btn--split--lg .btn__plus {
  min-width: 3.25rem;
  font-size: 1.15rem;
}

/* ── Divider ── */
.divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-border);
}

/* ── Overlay ── */
.overlay {
  position: absolute;
  inset: 0;
  background-color: var(--color-overlay);
  z-index: 1;
}

/* ── Visually Hidden ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}