/* Vektor Web - Blog Article CSS (Richesse-style) */
:root {
  --bg-dark: #0F0F0F;
  --bg-light: #F5F2EC;
  --bone: #EDE8DC;
  --pearl: #E0DBCD;
  --cream: #F5F2EC;
  --black: #0F0F0F;
  --charcoal: #2A2A2A;
  --champagne: #D4AF37;
  --champagne-light: #E2C26A;
  --champagne-dark: #B8860B;
  --text-primary: #1A1A1A;
  --text-secondary: #5A5A5A;
  --text-muted: #808080;
  --text-on-dark: #E5E5E5;
  --text-on-dark-muted: #A0A0A0;
  --border: #2A2A2A;
  --border-light: rgba(0,0,0,0.1);
  --accent: #D4AF37;
  --accent-dark: #B8860B;
  --serif: 'Playfair Display', 'Georgia', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--cream);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: all 0.25s var(--ease); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.tabular { font-variant-numeric: tabular-nums; }
.eyebrow {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  font-weight: 600; color: var(--champagne-dark);
}

/* HEADER */
header.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(15,15,15,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
}
nav.site-nav {
  max-width: 1400px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center; gap: 2rem;
}
.logo {
  font-family: var(--serif);
  font-size: 20px; font-weight: 700; letter-spacing: 0.12em;
  color: #fff; text-transform: uppercase;
}
.logo span { color: var(--accent); }
.nav-menu { display: flex; gap: 2.5rem; align-items: center; list-style: none; }
.nav-menu a {
  font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 500; color: var(--text-on-dark-muted);
  padding-bottom: 4px; position: relative;
}
.nav-menu a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--accent); transition: width 0.3s var(--ease);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--accent); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.cta-header {
  padding: 10px 24px; background: var(--accent); color: var(--bg-dark);
  border-radius: 8px; font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  cursor: pointer; border: none; transition: all 0.25s var(--ease);
}
.cta-header:hover { background: var(--accent-dark); box-shadow: 0 8px 24px rgba(212,175,55,0.25); transform: translateY(-1px); }
.menu-toggle {
  display: none; background: none; border: none;
  color: #fff; font-size: 13px; cursor: pointer;
  font-weight: 700; letter-spacing: 0.5px;
}

/* PAGE HEADER (article top) */
.page-header {
  background: linear-gradient(160deg, #0F0F0F 0%, #151515 100%);
  color: var(--cream); padding: 80px 0 70px;
  position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute;
  top: -20%; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(ellipse at center, rgba(212,175,55,0.06) 0%, transparent 65%);
  pointer-events: none;
}
.page-header > .container { position: relative; z-index: 1; }
.breadcrumb {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--text-on-dark-muted); font-weight: 600; margin-bottom: 32px;
}
.breadcrumb a { color: var(--text-on-dark-muted); }
.breadcrumb a:hover { color: var(--cream); }
.breadcrumb span { margin: 0 10px; opacity: 0.5; }
.breadcrumb strong { color: var(--cream); font-weight: 600; }
.page-header__title {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.05; letter-spacing: -0.025em;
  margin-bottom: 24px; color: #fff; max-width: 920px;
}
.page-header__title em { font-style: italic; font-weight: 400; color: var(--champagne-light); }
.page-header__deck {
  font-size: 18px; line-height: 1.65;
  color: var(--text-on-dark); max-width: 720px; font-weight: 300;
}
.page-header__meta {
  display: flex; gap: 28px; margin-top: 28px;
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-on-dark-muted); font-weight: 600;
}
.page-header__meta span { display: inline-flex; align-items: center; gap: 6px; }
.page-header__meta svg { color: var(--champagne-light); }

/* HERO IMAGE */
.article-hero {
  background: var(--cream);
  padding: 0 0 24px;
}
.article-hero__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
}
.article-hero__img {
  width: 100%;
  height: auto;
  max-height: 540px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--pearl);
  box-shadow: 0 12px 48px rgba(0,0,0,0.18);
  display: block;
}
.article-hero__caption {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-top: 14px;
  text-align: center;
  font-style: italic;
  font-family: var(--serif);
}

@media (max-width: 768px) {
  .article-hero__inner { padding: 0 16px; }
  .article-hero__img { max-height: 320px; border-radius: 10px; }
}

/* PONTOS CHAVE */
.pontos-chave {
  background: var(--bone); padding: 64px 0;
  border-top: 1px solid var(--pearl);
  border-bottom: 1px solid var(--pearl);
}
.pontos-chave__inner {
  max-width: 920px; margin: 0 auto; padding: 0 32px;
}
.pontos-chave__head { margin-bottom: 32px; }
.pontos-chave__head .eyebrow { margin-bottom: 12px; display: block; }
.pontos-chave__head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.15; letter-spacing: -0.02em;
}
.pontos-chave__head h2 em { font-style: italic; color: var(--champagne-dark); }
.pontos-chave__list {
  list-style: none; counter-reset: pc; padding: 0;
}
.pontos-chave__list li {
  counter-increment: pc; position: relative;
  padding: 18px 0 18px 56px;
  border-bottom: 1px solid var(--pearl);
  font-size: 16px; line-height: 1.65;
  color: var(--text-primary);
}
.pontos-chave__list li:last-child { border-bottom: none; }
.pontos-chave__list li::before {
  content: counter(pc, decimal-leading-zero) '.';
  position: absolute; left: 0; top: 18px;
  font-family: var(--serif); font-size: 16px;
  color: var(--champagne-dark); font-weight: 500;
}
.pontos-chave__list li strong { font-weight: 600; color: var(--text-primary); }

/* ARTICLE BODY */
.article {
  max-width: 720px; margin: 0 auto;
  padding: 80px 32px;
}
.article p, .article li { line-height: 1.8; }
.article p {
  font-size: 17px; color: var(--text-primary); margin-bottom: 22px;
}
.article p strong { font-weight: 600; }
.article .lead {
  font-family: var(--serif); font-size: 22px; line-height: 1.5;
  color: var(--text-primary); margin-bottom: 36px; font-weight: 400;
}
.article .lead em { color: var(--champagne-dark); font-style: italic; }
.article h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 3.2vw, 36px);
  letter-spacing: -0.015em; line-height: 1.15;
  margin: 56px 0 20px; color: var(--text-primary);
}
.article h2 em { font-style: italic; color: var(--champagne-dark); }
.article h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: 22px; line-height: 1.25; letter-spacing: -0.01em;
  margin: 36px 0 16px; color: var(--text-primary);
}
.article a.inline {
  color: var(--champagne-dark);
  border-bottom: 1px solid var(--champagne);
}
.article ul, .article ol {
  padding-left: 22px; margin-bottom: 22px;
}
.article ul li, .article ol li {
  margin-bottom: 14px; font-size: 17px; color: var(--text-primary);
}
.article .pull-quote {
  font-family: var(--serif); font-style: italic;
  font-size: 26px; line-height: 1.35; color: var(--text-primary);
  border-left: 2px solid var(--champagne);
  padding: 8px 0 8px 28px; margin: 36px 0;
}
.article .pull-quote em { color: var(--champagne-dark); font-style: italic; }

/* CTA INLINE */
.article-cta-inline {
  margin: 48px 0;
  padding: 36px 32px;
  border-radius: 14px;
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.25);
  text-align: center;
}
.article-cta-inline h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: 22px; line-height: 1.3;
  margin: 0 0 14px; letter-spacing: -0.015em;
}
.article-cta-inline h3 em { color: var(--champagne-dark); font-style: italic; }
.article-cta-inline p {
  font-size: 14px; line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 20px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.article-cta-inline .btn-cta {
  padding: 12px 28px; background: var(--accent); color: #0F0F0F;
  border-radius: 8px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  display: inline-block;
  transition: all 0.25s var(--ease);
  border: none; cursor: pointer;
}
.article-cta-inline .btn-cta:hover {
  background: var(--accent-dark);
  box-shadow: 0 8px 24px rgba(212,175,55,0.3);
  transform: translateY(-2px);
}

/* AUTHOR CARD */
.author-card {
  display: grid;
  grid-template-columns: 84px 1fr auto;
  gap: 18px;
  align-items: center;
  margin: 56px 0 32px;
  padding: 24px;
  background: var(--bone);
  border: 1px solid var(--pearl);
  border-radius: 12px;
}
@media (max-width: 600px) {
  .author-card { grid-template-columns: 64px 1fr; }
  .author-card__linkedin { grid-column: 1 / -1; justify-self: start; }
}
.author-card__avatar {
  width: 84px; height: 84px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--pearl);
}
@media (max-width: 600px) { .author-card__avatar { width: 64px; height: 64px; } }
.author-card__body { color: inherit; }
.author-card__title {
  font-family: var(--serif); font-size: 18px; font-weight: 700;
  margin: 0 0 4px; color: var(--text-primary);
}
.author-card__sub {
  font-size: 13px; line-height: 1.55;
  color: var(--text-secondary); margin: 0;
}
.author-card__linkedin {
  display: inline-flex; gap: 6px; align-items: center;
  padding: 8px 14px;
  background: #0A66C2;
  color: #fff;
  border-radius: 6px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.04em;
}
.author-card__linkedin:hover { background: #084d92; }

/* FAQ */
.faq {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--pearl);
}
.faq__head { margin-bottom: 28px; }
.faq__head .eyebrow { display: block; margin-bottom: 10px; }
.faq__head h2 {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(28px, 3.2vw, 36px);
  letter-spacing: -0.015em; line-height: 1.15;
  margin: 0;
}
.faq__head h2 em { font-style: italic; color: var(--champagne-dark); }
.faq__list { display: flex; flex-direction: column; gap: 0; }
.faq__item {
  border-bottom: 1px solid var(--pearl);
  padding: 4px 0;
}
.faq__item summary {
  cursor: pointer;
  padding: 18px 32px 18px 0;
  font-family: var(--serif); font-size: 18px;
  font-weight: 500; color: var(--text-primary);
  position: relative;
  list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+'; position: absolute; right: 4px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--serif); font-size: 24px; color: var(--champagne-dark);
  transition: transform 0.25s var(--ease);
}
.faq__item[open] summary::after { content: '−'; }
.faq__item__body {
  padding: 0 0 18px 0;
}
.faq__item__body p {
  font-size: 15px; line-height: 1.7;
  color: var(--text-secondary); margin: 0;
}

/* RELATED */
.related {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--pearl);
}
.related h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: 24px; margin: 0 0 28px;
  color: var(--text-primary);
}
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
@media (max-width: 800px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--pearl);
  text-decoration: none; color: inherit;
}
.related-card:hover .related-card__title { color: var(--champagne-dark); }
.related-card__cat {
  font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--champagne-dark);
}
.related-card__title {
  font-family: var(--serif); font-size: 17px; line-height: 1.3;
  color: var(--text-primary); margin: 0;
  transition: color 200ms var(--ease);
}
.related-card__meta {
  font-size: 11.5px; color: var(--text-secondary); margin-top: 4px;
}

/* FOOTER */
footer.site-footer {
  background: var(--bg-dark); border-top: 1px solid var(--border);
  padding: 3rem 2rem 1rem; text-align: center; font-size: 12px;
  color: var(--text-on-dark-muted);
}
.footer-inner { max-width: 1200px; margin: 0 auto; }

@media (max-width: 768px) {
  header.site-header { padding: 1rem; }
  nav.site-nav { flex-direction: column; gap: 1rem; }
  .nav-menu { display: none; flex-direction: column; gap: 1rem; width: 100%; }
  .nav-menu.active { display: flex; }
  .menu-toggle { display: block; }
  .page-header { padding: 60px 0 50px; }
  .article { padding: 60px 24px; }
  .pontos-chave { padding: 50px 0; }
}