/* ============================================================
   DUARTE DIGITAL - BASE STYLES
   Tipografia, containers, componentes reutilizáveis
============================================================= */

html {
  background: var(--dd-bg-dark);
  color: var(--dd-text-primary);
}

body {
  font-family: var(--dd-font-base);
  font-size: var(--dd-text-base);
  line-height: var(--dd-leading-normal);
  background: var(--dd-bg-dark);
  color: var(--dd-text-primary);
}

/* Tipografia */
h1 {
  font-size: var(--dd-text-3xl);
  font-weight: 700;
  line-height: var(--dd-leading-tight);
  letter-spacing: var(--dd-tracking-tight);
}

h2 {
  font-size: var(--dd-text-2xl);
  font-weight: 700;
  line-height: var(--dd-leading-tight);
  letter-spacing: var(--dd-tracking-tight);
}

h3 {
  font-size: var(--dd-text-xl);
  font-weight: 600;
  line-height: var(--dd-leading-tight);
}

h4 {
  font-size: var(--dd-text-lg);
  font-weight: 600;
}

h5, h6 {
  font-size: var(--dd-text-base);
  font-weight: 600;
}

p {
  font-size: var(--dd-text-base);
  line-height: var(--dd-leading-normal);
  color: var(--dd-text-muted);
}

small {
  font-size: var(--dd-text-sm);
  color: var(--dd-text-muted);
}

/* Links */
a {
  color: var(--dd-cyan);
  text-decoration: none;
  transition: color var(--dd-transition-fast);
}

a:hover {
  color: var(--dd-magenta);
}

a:focus-visible {
  outline: 2px solid var(--dd-cyan);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Containers */
.dd-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--dd-space-md);
}

.dd-container-narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--dd-space-md);
}

.dd-container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--dd-space-md);
}

/* Section Headers */
.dd-section-header {
  text-align: center;
  margin-bottom: var(--dd-space-3xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.dd-section-header h2 {
  margin-bottom: var(--dd-space-md);
  color: var(--dd-text-primary);
}

.dd-section-subtitle {
  font-size: var(--dd-text-lg);
  color: var(--dd-text-muted);
  line-height: var(--dd-leading-relaxed);
}

/* Buttons / CTAs */
.dd-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--dd-radius-full);
  font-size: var(--dd-text-base);
  font-weight: 600;
  text-decoration: none;
  color: var(--dd-text-primary);
  transition: all var(--dd-transition-fast);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.dd-cta-primary {
  background: var(--dd-grad-primary);
  color: white;
}

.dd-cta-primary:hover {
  color: white;
  filter: brightness(0.9);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(174, 70, 199, 0.4);
}

.dd-cta-secondary {
  background: transparent;
  border: 1px solid var(--dd-border-light);
  color: var(--dd-text-primary);
}

.dd-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--dd-cyan);
  color: var(--dd-text-primary);
}

.dd-cta-outline {
  background: transparent;
  border: 1px solid var(--dd-cyan);
  color: var(--dd-cyan);
}

.dd-cta-outline:hover {
  background: rgba(43, 168, 226, 0.2);
  border-color: var(--dd-cyan);
  color: white;
}

.dd-cta[disabled],
.dd-cta[aria-disabled="true"] {
  opacity: 0.4;
  pointer-events: none;
  cursor: not-allowed;
}

/* Grid system */
.dd-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--dd-space-xl);
}

.dd-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--dd-space-xl);
}

/* Divider */
.dd-divider {
  height: 1px;
  background: transparent; /* linha removida a pedido do cliente; mantém só o espaçamento */
  margin: var(--dd-space-4xl) 0;
}

/* Utility: Visually hidden (acessibilidade) */
.dd-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Skip to main content link */
.dd-skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--dd-cyan);
  color: var(--dd-bg-dark);
  padding: var(--dd-space-sm) var(--dd-space-md);
  text-decoration: none;
  z-index: var(--dd-z-modal);
}

.dd-skip-link:focus {
  top: 0;
}

/* Code/Pre */
code {
  font-family: var(--dd-font-mono);
  font-size: 0.9em;
  background: var(--dd-panel-bg);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--dd-cyan);
}

pre {
  background: var(--dd-panel-bg);
  padding: var(--dd-space-md);
  border-radius: var(--dd-radius-md);
  overflow-x: auto;
  border: 1px solid var(--dd-border-light);
  line-height: 1.4;
}

pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

/* Blockquote */
blockquote {
  border-left: 3px solid var(--dd-violet);
  padding-left: var(--dd-space-md);
  font-style: italic;
  color: var(--dd-text-muted);
  margin: var(--dd-space-md) 0;
}

/* Horizontal rule */
hr {
  border: none;
  height: 1px;
  background: var(--dd-border-light);
  margin: var(--dd-space-2xl) 0;
}

/* Focus visible (keyboard navigation) */
:focus-visible {
  outline: 2px solid var(--dd-cyan);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
  border-radius: 4px;
}

/* Logotipo do header: altura fixa, largura proporcional */
.dd-logo-img {
  display: block;
  height: 36px;
  width: auto;
}

@media (max-width: 768px) {
  .dd-logo-img {
    height: 32px;
  }
}

@media (max-width: 480px) {
  .dd-logo-img {
    height: 28px;
  }
}