/* ============================================
   EBC - LAYOUT & GRID SYSTEM (Bootstrap Compatible)
   Containers, Sections, Flexbox utilities
   ============================================ */

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 960px;
}

.container-lg {
  max-width: 1280px;
}

.container-xl {
  max-width: 1400px;
}

.container-fluid {
  width: 100%;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* ============================================
   SECTIONS & SPACING
   ============================================ */

section {
  padding: var(--space-3xl) var(--space-md);
}

section:first-of-type {
  padding-top: var(--space-2xl); /* Reduz espaço após banner */
}

section.section-sm {
  padding: var(--space-2xl) var(--space-md);
}

section.section-lg {
  padding: var(--space-3xl) var(--space-md);
}

section:nth-child(even) {
  background-color: var(--bg-light);
}

/* ============================================
   FLEXBOX UTILITIES
   ============================================ */

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-start {
  display: flex;
  align-items: flex-start;
}

.flex-end {
  display: flex;
  align-items: flex-end;
}

.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.gap-3 { gap: var(--space-lg); }
.gap-4 { gap: var(--space-xl); }
.gap-5 { gap: var(--space-2xl); }

/* ============================================
   WHITESPACE & PREMIUM SPACING
   ============================================ */

.whitespace-section {
  padding: var(--space-3xl) 0;
}

.whitespace-large {
  padding: var(--space-2xl) 0;
}

.spacer-sm {
  height: var(--space-lg);
}

.spacer-md {
  height: var(--space-2xl);
}

.spacer-lg {
  height: var(--space-3xl);
}

/* ============================================
   ALIGNMENT & POSITIONING (Flexbox)
   ============================================ */

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

.align-items-start {
  align-items: flex-start;
}

.align-items-end {
  align-items: flex-end;
}

.justify-content-center {
  justify-content: center;
}

.justify-content-between {
  justify-content: space-between;
}

.justify-content-start {
  justify-content: flex-start;
}

.justify-content-end {
  justify-content: flex-end;
}

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

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.d-none {
  display: none;
}

.d-flex {
  display: flex;
}

.w-100 {
  width: 100%;
}

/* ============================================
   GRID SYSTEM FALLBACK (para uso manual)
   Use Bootstrap grid por padrão
   ============================================ */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.d-block {
  display: block;
}

.d-inline {
  display: inline;
}

.d-inline-block {
  display: inline-block;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

@media (max-width: 1200px) {
  .container,
  .container-lg {
    max-width: 960px;
  }

  section {
    padding: var(--space-2xl) var(--space-md);
  }
}

@media (max-width: 768px) {
  .row {
    gap: var(--space-md);
  }

  .col-md-1 { grid-column: span 1; }
  .col-md-2 { grid-column: span 2; }
  .col-md-3 { grid-column: span 3; }
  .col-md-4 { grid-column: span 4; }
  .col-md-5 { grid-column: span 5; }
  .col-md-6 { grid-column: span 6; }
  .col-md-7 { grid-column: span 7; }
  .col-md-8 { grid-column: span 8; }
  .col-md-9 { grid-column: span 9; }
  .col-md-10 { grid-column: span 10; }
  .col-md-11 { grid-column: span 11; }
  .col-md-12 { grid-column: span 12; }

  .d-none-md {
    display: none;
  }

  .d-block-md {
    display: block;
  }

  section {
    padding: var(--space-2xl) var(--space-md);
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }

  .col-sm-1 { grid-column: span 1; }
  .col-sm-2 { grid-column: span 2; }
  .col-sm-3 { grid-column: span 3; }
  .col-sm-4 { grid-column: span 4; }
  .col-sm-5 { grid-column: span 5; }
  .col-sm-6 { grid-column: span 6; }
  .col-sm-7 { grid-column: span 7; }
  .col-sm-8 { grid-column: span 8; }
  .col-sm-9 { grid-column: span 9; }
  .col-sm-10 { grid-column: span 10; }
  .col-sm-11 { grid-column: span 11; }
  .col-sm-12 { grid-column: span 12; }

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

  h1 {
    font-size: 1.75rem;
  }
}