/**
 * blog-article.css
 * Centraliza estilos visuais e regras de layout usadas neste contexto.
 *
 * O que este arquivo faz:
 * - Define classes e variaveis CSS reutilizadas pelas paginas.
 * - Mantem consistencia visual entre desktop e mobile.
 * - Evita duplicacao de estilos em blocos inline.
 *
 * Por que separar estilos em arquivo dedicado?
 * - Reduz acoplamento entre estrutura HTML e apresentacao.
 * - Facilita manutencao e reduz risco de regressao visual.
 */
/* article.css — Estilos exclusivos dos artigos do blog */

.art-cover {
  width: min(1120px, calc(100% - clamp(2rem, 6vw, 4rem)));
  aspect-ratio: 1920 / 1080;
  height: auto;
  object-fit: cover;
  object-position: center center;
  display: block;
  margin: clamp(5.4rem, 7vw, 6.6rem) auto 0;
  -webkit-mask-image: linear-gradient(180deg, black 0%, black 70%, transparent 100%);
  mask-image: linear-gradient(180deg, black 0%, black 70%, transparent 100%);
}

.art-cover.art-cover--compact {
  width: 100%;
  margin-top: 0;
  margin-left: 0;
  margin-right: 0;
  aspect-ratio: 1920 / 800;
  object-position: center top;
  -webkit-mask-image: linear-gradient(180deg, black 0%, black 78%, transparent 100%);
  mask-image: linear-gradient(180deg, black 0%, black 78%, transparent 100%);
}

.art-wrap { max-width: min(860px, 90%); margin: 0 auto; padding: 4rem clamp(1rem, 3vw, 2rem) 8rem; }

.breadcrumb { display: flex; align-items: center; gap: .5rem; font-size: .75rem; color: rgba(254,254,254,.35); margin-bottom: 2.5rem; }
.breadcrumb a { color: rgba(254,254,254,.35); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover { color: var(--green); }
.breadcrumb span { color: var(--green); }

.art-cat { display: inline-block; font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--lime); font-weight: 600; margin-bottom: 1rem; }

.art-title { font-family: var(--f-head); font-weight: 800; font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.12; letter-spacing: -.025em; margin-bottom: 1.5rem; }

.art-meta { display: flex; align-items: center; gap: clamp(.6rem, 2vw, 1.5rem); font-size: .8rem; color: rgba(254,254,254,.35); margin-bottom: 3.5rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(86,213,79,.1); flex-wrap: wrap; }
.art-meta-dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(86,213,79,.4); flex-shrink: 0; }

.art-body { font-size: 1rem; line-height: 1.9; color: rgba(254,254,254,.72); overflow-x: hidden; }
.art-body p { margin-bottom: 1.5rem; }
.art-body h2 {
  font-family: var(--f-head); font-weight: 700; font-size: 1.5rem; color: var(--white);
  margin: 3.8rem 0 1.1rem; letter-spacing: -.015em;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(86,213,79,.1);
}
.art-body > h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.art-body h3 {
  font-family: var(--f-head); font-weight: 700; font-size: 1.15rem;
  color: rgba(254,254,254,.88); margin: 2.2rem 0 .7rem; letter-spacing: -.01em;
}
.art-body p { margin-bottom: 1.6rem; }
.art-body ul, .art-body ol { padding-left: 1.5rem; margin-bottom: 1.5rem; }
.art-body li { margin-bottom: .55rem; color: rgba(254,254,254,.65); }
.art-body strong { color: var(--white); font-weight: 600; }
.art-body table { width: 100%; border-collapse: collapse; overflow-x: auto; display: block; max-width: 100%; margin: 1.15rem 0 2rem; }
.art-body table th, .art-body table td { padding: .65rem 1rem; border: 1px solid rgba(86,213,79,.14); font-size: .92rem; text-align: left; }
.art-body table th { background: rgba(86,213,79,.07); color: var(--white); font-family: var(--f-head); font-weight: 600; }
.art-body .highlight { background: rgba(186,255,0,.06); border-left: 3px solid var(--lime); padding: 1.25rem 1.5rem; margin: 2rem 0; overflow-x: auto; }
.art-body .highlight p { margin: 0; color: rgba(254,254,254,.8); font-style: italic; }
.art-content-img { border-radius: var(--r-md, 12px); margin: 2rem 0; width: 100%; }
.art-content-img-caption { display: block; text-align: center; font-size: .85rem; color: rgba(254,254,254,.45); margin: -1.4rem 0 2rem; }

.art-signature {
  margin-top: 3.4rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.75rem;
  align-items: center;
  padding: 1.9rem 2rem;
  background:
    radial-gradient(160% 220% at 0% 0%, rgba(86, 213, 79, .11) 0%, transparent 55%),
    rgba(4, 14, 32, .78);
  border: 1px solid rgba(86, 213, 79, .18);
  border-left: 3px solid rgba(86, 213, 79, .65);
  box-shadow:
    0 14px 44px rgba(0, 0, 0, .26),
    0 0 36px rgba(86, 213, 79, .08);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
}
.art-signature::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 120% at 100% 100%, rgba(86,213,79,.04) 0%, transparent 60%);
  pointer-events: none;
}
.art-signature-avatar {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 0 2px rgba(86, 213, 79, .55),
    0 0 0 4px rgba(86, 213, 79, .12),
    0 10px 28px rgba(0, 0, 0, .45);
  border: 2px solid transparent;
  background: #07162f;
  display: block;
  flex-shrink: 0;
  transition: box-shadow .3s;
}
.art-signature:hover .art-signature-avatar {
  box-shadow:
    0 0 0 2px rgba(86, 213, 79, .75),
    0 0 0 5px rgba(86, 213, 79, .18),
    0 12px 32px rgba(0, 0, 0, .5);
}
.art-signature-avatar:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}
.art-signature-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% 34%;
  transform: scale(1.46);
  transform-origin: center;
  filter: saturate(1.05) contrast(1.04);
  display: block;
}
.art-signature-content {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.art-signature-eyebrow {
  font-family: var(--f-head);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(86, 213, 79, .7);
  margin-bottom: .1rem;
}
.art-signature-head {
  display: flex;
  align-items: center;
  gap: .7rem;
  flex-wrap: wrap;
}
.art-signature-head strong {
  font-family: var(--f-head);
  font-size: 1.18rem;
  line-height: 1.1;
  color: var(--white);
  letter-spacing: -.02em;
}
.art-signature-head span {
  font-family: var(--f-head);
  font-size: .76rem;
  font-weight: 600;
  color: rgba(86, 213, 79, .8);
  letter-spacing: .03em;
}
.art-signature-content p {
  margin: .2rem 0 0;
  color: rgba(240, 246, 255, .7);
  font-size: .91rem;
  line-height: 1.72;
}

.art-signature:hover {
  border-color: rgba(86, 213, 79, .28);
  border-left-color: rgba(86, 213, 79, .85);
  box-shadow:
    0 18px 48px rgba(0, 0, 0, .3),
    0 0 44px rgba(86, 213, 79, .12);
}

.art-share {
  margin-top: 2rem;
  padding-top: 1.75rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.art-share::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(86,213,79,.15) 20%,
    rgba(86,213,79,.28) 50%,
    rgba(86,213,79,.15) 80%,
    transparent);
}
.art-share-title {
  font-family: var(--f-head);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(254,254,254,.5);
}
.art-share-links {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.art-share-link {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(254, 254, 254, .75);
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .1);
  transition: color .2s, border-color .2s, background .2s, transform .22s, box-shadow .22s;
}
.art-share-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.art-share-link[data-share="facebook"]:hover  { color: #fff; background: #1877f2; border-color: #1877f2; }
.art-share-link[data-share="whatsapp"]:hover  { color: #fff; background: #25d366; border-color: #25d366; }
.art-share-link[data-share="x"]:hover         { color: #fff; background: #18191a; border-color: #555; }
.art-share-link[data-share="linkedin"]:hover  { color: #fff; background: #0a66c2; border-color: #0a66c2; }
.art-share-link[data-share="telegram"]:hover  { color: #fff; background: #2aabee; border-color: #2aabee; }
.art-share-link svg {
  width: 18px;
  height: 18px;
}

.related {
  max-width: min(860px, 90%); margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 3.5rem) clamp(1rem, 3vw, 2rem) clamp(4rem, 9vw, 6rem);
  position: relative;
}
.related::before {
  content: ''; position: absolute; top: 0; left: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem);
  height: 1px; pointer-events: none;
  background: linear-gradient(90deg,
    transparent,
    rgba(86,213,79,.18) 22%,
    rgba(86,213,79,.30) 50%,
    rgba(86,213,79,.18) 78%,
    transparent);
}
.related h4 { font-family: var(--f-head); font-weight: 700; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--green); margin-bottom: 1.75rem; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.rcard { background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.05); border-top: 2px solid rgba(86,213,79,.18); overflow: hidden; text-decoration: none; color: inherit; display: block; transition: border-top-color .3s, box-shadow .3s; border-radius: var(--r-md); }
.rcard:hover { border-top-color: rgba(86,213,79,.55); box-shadow: 0 6px 18px rgba(0,0,0,.1); }
.rcard img {
  width: 100%;
  aspect-ratio: 16/10;
  min-height: clamp(190px, 18vw, 230px);
  object-fit: cover;
  object-position: center 24%;
  display: block;
}
.rcard-body { padding: 1.25rem; }
.rcard-cat { font-size: .65rem; letter-spacing: .15em; text-transform: uppercase; color: var(--lime); font-weight: 600; margin-bottom: .4rem; }
.rcard-title { font-family: var(--f-head); font-weight: 600; font-size: .95rem; line-height: 1.4; color: var(--white); }

.art-foot-nav { max-width: min(860px, 90%); margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2rem) 2rem; display: flex; justify-content: space-between; gap: 1rem; }
.art-foot-nav a { font-size: .85rem; color: rgba(254,254,254,.38); text-decoration: none; transition: color .2s; }
.art-foot-nav a:hover { color: var(--green); }

.foot-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.foot-links a { font-size: .78rem; color: rgba(254,254,254,.24); text-decoration: none; transition: color .2s; }
.foot-links a:hover { color: var(--green); }

/* ── FAQ accordion ── */
.art-faq {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin: 2rem 0 2.4rem;
}
.faq-item {
  border: 1px solid rgba(86, 213, 79, .12);
  border-radius: 10px;
  background: rgba(4, 14, 32, .5);
  overflow: hidden;
  transition: border-color .25s;
}
.faq-item[open] {
  border-color: rgba(86, 213, 79, .3);
  background: rgba(4, 14, 32, .72);
}
.faq-question {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.35rem;
  font-family: var(--f-head);
  font-size: .97rem;
  font-weight: 600;
  color: rgba(254, 254, 254, .88);
  cursor: pointer;
  user-select: none;
  transition: color .2s;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3 6l5 5 5-5' stroke='rgba(86,213,79,.7)' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
  transition: transform .25s;
}
.faq-item[open] .faq-question::after {
  transform: rotate(180deg);
}
.faq-item[open] .faq-question {
  color: var(--white);
}
.faq-answer {
  padding: 0 1.35rem 1.2rem;
  border-top: 1px solid rgba(86, 213, 79, .08);
}
.faq-answer p {
  margin: 1rem 0 0;
  font-size: .93rem;
  line-height: 1.78;
  color: rgba(254, 254, 254, .65);
}
.faq-answer p:first-child { margin-top: .9rem; }
.faq-answer p:last-child  { margin-bottom: 0; }

@media (max-width: 1024px) {
  .rcard img {
    min-height: clamp(180px, 24vw, 220px);
  }

  .art-wrap {
    padding: 3rem clamp(1rem, 2.5vw, 1.75rem) 5rem;
  }

  .art-signature {
    grid-template-columns: 4.75rem 1fr;
    gap: 1rem;
    padding: 1.2rem 1.15rem;
  }

  .art-signature-avatar {
    width: 4.75rem;
    height: 4.75rem;
  }
}

@media (max-width: 720px) {
  .art-cover {
    width: calc(100% - 2.4rem);
    aspect-ratio: auto;
    margin-top: 4.8rem;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .art-cover--compact {
    width: calc(100% - 2.4rem);
    aspect-ratio: auto;
  }

  .art-wrap,
  .related,
  .art-foot-nav {
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  .art-wrap {
    padding-top: 2.3rem;
    padding-bottom: 4rem;
  }

  .breadcrumb {
    flex-wrap: wrap;
    gap: .35rem;
    font-size: .7rem;
    margin-bottom: 1.6rem;
  }

  .art-title {
    font-size: clamp(1.55rem, 8.3vw, 2.25rem);
    line-height: 1.18;
  }

  .art-body {
    font-size: .95rem;
    line-height: 1.75;
  }

  .art-body h2 {
    font-size: 1.26rem;
    margin-top: 2.8rem;
    padding-top: 1.2rem;
  }

  .art-body h3 {
    font-size: 1.03rem;
    margin-top: 1.8rem;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .rcard img {
    min-height: clamp(190px, 54vw, 240px);
  }

  .art-signature {
    margin-top: 2.5rem;
    grid-template-columns: 1fr;
    text-align: left;
    gap: .9rem;
    padding: 1rem;
  }

  .art-signature-avatar {
    width: 4.25rem;
    height: 4.25rem;
  }

  .art-signature-head strong {
    font-size: 1rem;
  }

  .art-signature-head span {
    font-size: .86rem;
  }

  .art-signature-content p {
    font-size: .92rem;
    line-height: 1.58;
  }

  .art-signature-links a {
    font-size: .88rem;
  }

  .art-share-title {
    width: 100%;
    font-size: .94rem;
  }

  .art-share-link {
    width: 35px;
    height: 35px;
  }

  .art-foot-nav {
    flex-direction: column;
    gap: .65rem;
  }
}

@media (max-width: 440px) {
  .art-cover {
    width: calc(100% - 2rem);
    aspect-ratio: auto;
    margin-top: 4.35rem;
  }

  .art-cover--compact {
    width: calc(100% - 2rem);
    aspect-ratio: auto;
  }

  .rcard img {
    min-height: 180px;
  }

  .art-wrap,
  .related,
  .art-foot-nav {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .art-meta {
    gap: .45rem;
    margin-bottom: 2rem;
  }

  .art-meta-dot {
    display: none;
  }

  .art-body ul,
  .art-body ol {
    padding-left: 1.2rem;
  }
}

@media (max-width: 560px) {
  .art-wrap { max-width: 100%; }

  .art-title {
    font-size: clamp(1.42rem, 8.2vw, 2rem);
    line-height: 1.2;
  }

  .art-meta {
    padding-bottom: 1.1rem;
    margin-bottom: 1.4rem;
  }

  .art-body {
    font-size: .92rem;
    line-height: 1.72;
  }

  .art-body table th,
  .art-body table td {
    padding: .5rem .65rem;
    font-size: .82rem;
    white-space: nowrap;
  }

  .art-share-links { gap: .42rem; }
}

@media (min-width: 1400px) {
  .art-wrap, .related, .art-foot-nav { max-width: min(920px, 88%); }
}