/* Base reset + body shell */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 90%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--foreground);
  background: var(--background);
  line-height: var(--body-lh);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition:
    background var(--transition-slow),
    color var(--transition-slow);
}

:root[data-theme="dark"] body {
  background: var(--background);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition:
    color var(--transition-base),
    opacity var(--transition-base);
}

a:hover,
a:focus {
  color: var(--color-primary-dark);
}

:where(
  .content-single__content a,
  .docs-article-list__item a,
  .faq-list-panel__item a,
  .faq-topic-card__list a,
  .docs-topic-card__list a,
  .resource-card a,
  .home-popular__list a,
  .breadcrumbs a,
  .section-card__title a,
  .blog-hero-card h2 a,
  .blog-stack-card h3 a,
  .release-summary-card h2 a,
  .content-listing__empty a
) {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

:where(
  .content-single__content a,
  .docs-article-list__item a,
  .faq-list-panel__item a,
  .faq-topic-card__list a,
  .docs-topic-card__list a,
  .resource-card a,
  .home-popular__list a,
  .breadcrumbs a,
  .section-card__title a,
  .blog-hero-card h2 a,
  .blog-stack-card h3 a,
  .release-summary-card h2 a,
  .content-listing__empty a
)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.12rem;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.18);
  transform-origin: left center;
  opacity: 0.35;
  transition:
    transform var(--transition-base),
    opacity var(--transition-base);
}

:where(
    .content-single__content a,
    .docs-article-list__item a,
    .faq-list-panel__item a,
    .faq-topic-card__list a,
    .docs-topic-card__list a,
    .resource-card a,
    .home-popular__list a,
    .breadcrumbs a,
    .section-card__title a,
    .blog-hero-card h2 a,
    .blog-stack-card h3 a,
    .release-summary-card h2 a,
    .content-listing__empty a
  ):hover::after,
:where(
    .content-single__content a,
    .docs-article-list__item a,
    .faq-list-panel__item a,
    .faq-topic-card__list a,
    .docs-topic-card__list a,
    .resource-card a,
    .home-popular__list a,
    .breadcrumbs a,
    .section-card__title a,
    .blog-hero-card h2 a,
    .blog-stack-card h3 a,
    .release-summary-card h2 a,
    .content-listing__empty a
  ):focus-visible::after {
  transform: scaleX(1);
  opacity: 0.8;
}

/* Acessibilidade: foco visível consistente */
:where(a, button, input, select, textarea, [tabindex]):focus {
  outline: none;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Skip-link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 999;
  padding: 0.65rem 1rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.skip-link:focus {
  top: 0.75rem;
  color: #fff;
}

.site-shell {
  position: relative;
  z-index: 0;
  min-height: 100vh;
}

.site-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-color: var(--background);
  background-image:
    linear-gradient(rgba(16, 31, 74, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 31, 74, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: center top;
}

:root[data-theme="dark"] .site-shell::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.038) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.038) 1px, transparent 1px);
}

.site-main {
  padding: 0 0 4.5rem;
}

.site-main__inner {
  width: 100%;
}

.site-header__inner,
.site-footer__inner {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.site-whatsapp-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 950;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.55rem;
  height: 3.55rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #2bd36b 0%, #14b754 100%);
  color: #fff;
  box-shadow:
    0 16px 28px -18px rgba(20, 183, 84, 0.75),
    0 8px 16px -12px rgba(0, 0, 0, 0.28);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    filter var(--transition-base);
}

.site-whatsapp-fab:hover,
.site-whatsapp-fab:focus-visible {
  color: #fff;
  transform: translateY(-2px);
  filter: brightness(1.03);
  box-shadow:
    0 20px 34px -18px rgba(20, 183, 84, 0.82),
    0 12px 18px -12px rgba(0, 0, 0, 0.3);
}

.site-whatsapp-fab .ui-icon {
  width: 1.55rem;
  height: 1.55rem;
}