/* ═══════════════════════════════════════════════════
   Blog · People Voice - shared stylesheet
   ═══════════════════════════════════════════════════ */
:root {
  --navy-1000: #050E1E;
  --navy-900:  #081A33;
  --navy-800:  #0B2545;
  --navy-700:  #133563;
  --navy-600:  #1E4A82;
  --navy-500:  #2563A8;
  --navy-400:  #4D86C4;
  --navy-300:  #8FB1D6;
  --navy-200:  #CBDBEC;
  --navy-100:  #E6EEF7;
  --navy-50:   #F3F7FC;
  --amber-900: #7C2D12;
  --amber-700: #C2410C;
  --amber-600: #EA580C;
  --amber-100: #FFEDD5;
  --amber-50:  #FFF7ED;
  --green-700: #15803D;
  --green-600: #16A34A;
  --bg:        #FAFAF7;
  --bg-tint:   #F4F4EE;
  --surface:   #FFFFFF;
  --surface-2: #F1F5F9;
  --border:    #E2E6EC;
  --border-strong: #C9D1DC;
  --ink-900: #0B1220;
  --ink-700: #1F2937;
  --ink-500: #475569;
  --ink-400: #64748B;
  --ink-300: #94A3B8;
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(11, 37, 69, 0.05);
  --shadow-md: 0 2px 4px rgba(11, 37, 69, 0.04), 0 12px 28px -8px rgba(11, 37, 69, 0.10);
  --shadow-lg: 0 4px 8px rgba(11, 37, 69, 0.05), 0 32px 64px -16px rgba(11, 37, 69, 0.18);
  --container: 1240px;
  --rail: clamp(20px, 4vw, 56px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
h1, h2, h3, h4 { margin: 0; color: var(--ink-900); letter-spacing: -0.02em; line-height: 1.15; font-weight: 700; text-wrap: balance; }

.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--rail);
}

/* ─── Header (shared with main site) ─── */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-row {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
  gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 14px;
}
.brand-logo {
  display: block;
  height: 40px; width: auto; /* proporção 3,35:1, mínimo 120 px de largura (manual da marca) */
  flex-shrink: 0;
}
a.by-ssm {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--ink-400);
  text-transform: uppercase;
}
a.by-ssm:hover { color: var(--navy-700); }
.header .brand { flex-shrink: 0; } /* o logotipo não encolhe abaixo do mínimo */
.footer-brand .brand { flex-direction: column; align-items: flex-start; gap: 10px; }
@media (max-width: 640px) { .header .brand-logo { height: 36px; } }
.nav {
  display: flex; gap: 2px;
  align-items: center;
}
.nav a {
  padding: 7px 10px;
  font-size: 13.5px;
  color: var(--ink-700);
  border-radius: 7px;
  font-weight: 500;
}
.nav a:hover, .nav a[aria-current="page"] {
  color: var(--navy-800);
  background: rgba(11, 37, 69, 0.04);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13.5px;
  line-height: 1;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--navy-800); color: #fff; }
.btn-primary:hover { background: var(--navy-900); }
.btn-secondary { background: transparent; color: var(--navy-800); border: 1px solid var(--border-strong); }
.btn-secondary:hover { border-color: var(--navy-700); background: var(--surface); }
.btn-amber { background: var(--amber-700); color: #fff; }
.btn-amber:hover { background: var(--amber-900); }

/* ─── Blog index ─── */
.blog-hero {
  padding: clamp(64px, 8vw, 112px) 0 clamp(48px, 6vw, 72px);
  background:
    radial-gradient(60% 80% at 85% -5%, rgba(37, 99, 168, 0.10), transparent 60%);
  border-bottom: 1px solid var(--border);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin: 0 0 24px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--ink-400);
}
.blog-hero h1 {
  font-size: clamp(40px, 5.4vw, 64px);
  letter-spacing: -0.035em;
  max-width: 18ch;
}
.blog-hero p {
  margin-top: 24px;
  font-size: clamp(17px, 1.4vw, 19px);
  color: var(--ink-500);
  max-width: 60ch;
}
.blog-toolbar {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.blog-toolbar .label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: 6px;
}
.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--ink-700);
  font-size: 13px;
  font-weight: 500;
  transition: background .15s, border-color .15s;
  cursor: pointer;
}
.cat-chip:hover { border-color: var(--navy-500); }
.cat-chip.active { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }

.blog-posts {
  padding: clamp(48px, 6vw, 80px) 0 clamp(72px, 9vw, 120px);
}
.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  display: flex; flex-direction: column;
  gap: 16px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  min-height: 260px;
}
.post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}
.post-card .cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--amber-700);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.post-card.featured .cat { color: var(--amber-600); }
.post-card h2 {
  font-size: 19px;
  letter-spacing: -0.015em;
  color: var(--ink-900);
}
.post-card p {
  font-size: 14px; color: var(--ink-500); line-height: 1.55;
  margin: 0;
}
.post-card .foot {
  margin-top: auto;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-400);
  letter-spacing: 0.04em;
}
.post-card .foot .read { color: var(--navy-700); text-transform: uppercase; }
.post-card.featured {
  grid-column: 1 / -1;
  background: var(--navy-900);
  color: #fff;
  border-color: var(--navy-900);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  padding: clamp(36px, 4vw, 56px);
  position: relative;
  overflow: hidden;
}
.post-card.featured::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(50% 60% at 100% 0%, rgba(234, 88, 12, 0.30), transparent 65%);
  pointer-events: none;
}
.post-card.featured > * { position: relative; }
.post-card.featured h2 {
  color: #fff;
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -0.025em;
}
.post-card.featured p { color: var(--navy-200); font-size: 16px; }
.post-card.featured .foot { color: var(--navy-300); }
.post-card.featured .foot .read { color: var(--amber-600); }

/* ─── Article page ─── */
.article-hero {
  padding: clamp(40px, 5vw, 64px) 0 clamp(32px, 4vw, 48px);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-400);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--ink-500); }
.breadcrumb a:hover { color: var(--navy-700); }
.breadcrumb .sep { color: var(--ink-300); }
.article-hero .cat {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--amber-700);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--amber-50);
  border: 1px solid var(--amber-100);
  padding: 5px 10px;
  border-radius: 4px;
  margin-bottom: 20px;
}
.article-hero h1 {
  font-size: clamp(32px, 4.2vw, 52px);
  letter-spacing: -0.03em;
  max-width: 24ch;
}
.article-hero .lede {
  margin-top: 24px;
  font-size: clamp(17px, 1.4vw, 20px);
  color: var(--ink-500);
  max-width: 60ch;
  line-height: 1.55;
}
.article-meta {
  margin-top: 32px;
  display: flex; gap: 24px; flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-400);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.article-body {
  padding: clamp(56px, 7vw, 88px) 0 clamp(72px, 9vw, 112px);
  background: var(--bg);
}
.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 720px) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
@media (max-width: 980px) {
  .article-grid { grid-template-columns: 1fr; }
}
.prose {
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-700);
}
.prose > * + * { margin-top: 1.2em; }
.prose h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: -0.02em;
  margin-top: 2em !important;
  color: var(--ink-900);
}
.prose h3 {
  font-size: clamp(18px, 1.8vw, 22px);
  letter-spacing: -0.015em;
  margin-top: 1.8em !important;
  color: var(--ink-900);
}
.prose p { color: var(--ink-700); text-wrap: pretty; }
.prose strong { color: var(--ink-900); font-weight: 600; }
.prose a {
  color: var(--navy-700);
  border-bottom: 1px solid var(--navy-200);
  font-weight: 500;
}
.prose a:hover { color: var(--navy-900); border-color: var(--navy-700); }
.prose ul, .prose ol { padding-left: 24px; }
.prose li { margin-top: 8px; }
.prose blockquote {
  margin: 32px 0;
  padding: 22px 26px;
  background: var(--bg-tint);
  border-left: 3px solid var(--amber-700);
  border-radius: 6px;
  font-style: italic;
  color: var(--ink-700);
}
.prose blockquote p:first-child { margin-top: 0; }
.prose .callout {
  margin: 32px 0;
  padding: 24px 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.prose .callout strong { display: block; font-family: var(--font-mono); font-size: 11px; color: var(--amber-700); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }
.prose hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--navy-900);
}

aside.toc {
  position: sticky;
  top: 100px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 24px;
}
aside.toc h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-400);
  font-weight: 500;
  margin-bottom: 14px;
}
aside.toc ol {
  list-style: none;
  padding: 0; margin: 0;
  counter-reset: toc;
  display: flex; flex-direction: column;
  gap: 10px;
}
aside.toc li {
  counter-increment: toc;
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-700);
  line-height: 1.4;
}
aside.toc li::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-400);
  flex-shrink: 0;
}
aside.toc a:hover { color: var(--navy-700); }

/* ─── Related posts ─── */
.related {
  padding: clamp(56px, 7vw, 80px) 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.related h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  margin-bottom: 32px;
  letter-spacing: -0.025em;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.related-card {
  background: var(--bg-tint);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  display: flex; flex-direction: column;
  gap: 14px;
  min-height: 200px;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.related-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}
.related-card .cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--amber-700);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.related-card h3 {
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}
.related-card .read {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--navy-700);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ─── Article CTA ─── */
.article-cta {
  background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-1000) 100%);
  color: #fff;
  padding: clamp(56px, 7vw, 88px) 0;
  position: relative;
  overflow: hidden;
}
.article-cta::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(50% 60% at 80% 0%, rgba(234, 88, 12, 0.25), transparent 60%),
    radial-gradient(40% 50% at 0% 100%, rgba(37, 99, 168, 0.25), transparent 60%);
}
.article-cta .wrap { position: relative; display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
@media (max-width: 760px) {
  .article-cta .wrap { grid-template-columns: 1fr; }
}
.article-cta h2 { color: #fff; font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -0.025em; }
.article-cta p { color: var(--navy-200); margin-top: 16px; font-size: 17px; max-width: 50ch; }
.article-cta .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.article-cta .btn-on-dark-secondary {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.28);
}
.article-cta .btn-on-dark-secondary:hover { border-color: #fff; background: rgba(255,255,255,.06); }

/* ─── Footer ─── */
.footer {
  background: var(--ink-900);
  color: var(--ink-300);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(32px, 4vw, 56px);
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  color: var(--ink-400);
  font-size: 14px;
  line-height: 1.6;
  margin-top: 20px;
  max-width: 42ch;
}
.footer-col h5 {
  color: #fff;
  font-size: 12px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  margin: 0 0 16px;
}
.footer-col ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column;
  gap: 10px;
}
.footer-col a {
  color: var(--ink-300);
  font-size: 14px;
}
.footer-col a:hover { color: #fff; }
.footer-base {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--ink-400);
}

/* ─── Responsive ─── */
@media (max-width: 1120px) {
  .nav a { padding: 6px 8px; font-size: 13px; }
}
@media (max-width: 980px) {
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .post-card.featured { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .nav { display: none; }
}
@media (max-width: 640px) {
  .posts-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}