* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; }
body { background: #0A0A0A; color: #FAFAFA; font-family: 'Inter', sans-serif; font-size: 17px; line-height: 1.7; }
a { color: #FF5E1F; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
.container { max-width: 720px; margin: 0 auto; padding: 0 24px; }
/* ================= HEADER theme-aware (dark default = brand, light = blog.google identical) ================= */
header.site { background: rgba(10,10,10,0.95); border-bottom: 1px solid rgba(255,255,255,0.08); position: sticky; top: 0; z-index: 50; backdrop-filter: blur(12px); }
header.site .nav { max-width: 1280px; margin: 0 auto; padding: 0 32px; height: 72px; display: flex; align-items: center; gap: 32px; }
header.site .brand { display: flex; align-items: center; gap: 10px; color: #FAFAFA; text-decoration: none; flex-shrink: 0; }
header.site .brand svg { width: 56px; height: 22px; }
header.site .brand .wm { font-size: 17px; font-weight: 400; letter-spacing: -0.01em; color: #FAFAFA; }
header.site .brand .wm .da { font-style: italic; color: rgba(255,255,255,0.55); }
header.site .brand .wm .ia { font-weight: 600; }
header.site .nav-links { display: flex; align-items: center; gap: 4px; flex: 1; }
header.site .nav-item { position: relative; }
header.site .nav-trigger, header.site .nav-direct { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; background: transparent; border: 0; font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 500; color: #FAFAFA; cursor: pointer; border-radius: 8px; transition: background .15s ease; text-decoration: none; line-height: 1.2; }
header.site .nav-trigger:hover, header.site .nav-direct:hover { background: rgba(255,255,255,0.08); text-decoration: none; color: #FAFAFA; }
header.site .nav-trigger .caret { transition: transform .2s ease; color: rgba(255,255,255,0.55); }
header.site .nav-item:hover .nav-trigger .caret, header.site .nav-item:focus-within .nav-trigger .caret { transform: rotate(180deg); }
header.site .nav-dropdown { position: absolute; top: calc(100% + 8px); left: 0; min-width: 520px; background: #1A1A1A; border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; box-shadow: 0 12px 32px rgba(0,0,0,0.5); padding: 20px 24px; opacity: 0; visibility: hidden; transform: translateY(-4px); transition: opacity .18s ease, transform .18s ease, visibility 0s linear .18s; z-index: 100; }
header.site .nav-item:hover .nav-dropdown, header.site .nav-item:focus-within .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); transition: opacity .18s ease, transform .18s ease, visibility 0s; }
header.site .nav-dropdown-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
header.site .nav-col { display: flex; flex-direction: column; gap: 4px; }
header.site .nav-col-head { font-size: 11px; font-weight: 600; color: #FF5E1F; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px; padding: 0 8px; }
header.site .nav-col a { display: block; padding: 8px 8px; font-size: 14px; color: rgba(255,255,255,0.85); font-weight: 400; border-radius: 6px; text-decoration: none; transition: background .15s ease; line-height: 1.3; }
header.site .nav-col a:hover { background: rgba(255,255,255,0.06); color: #FF5E1F; text-decoration: none; }
header.site .nav-right { display: flex; align-items: center; gap: 16px; margin-left: auto; flex-shrink: 0; }
header.site .nav-cta { display: inline-flex; align-items: center; padding: 8px 20px; background: transparent; color: #FAFAFA; font-size: 14px; font-weight: 500; border: 1px solid rgba(255,255,255,0.25); border-radius: 999px; transition: all .15s ease; text-decoration: none; line-height: 1.2; }
header.site .nav-cta:hover { background: #FF5E1F; color: #FFFFFF; border-color: #FF5E1F; text-decoration: none; }
header.site .nav-lang { font-size: 13px; color: rgba(255,255,255,0.65); font-weight: 500; padding: 6px 10px; border-radius: 6px; cursor: default; }

/* LIGHT MODE — identico ao blog.google */
[data-theme="light"] header.site { background: #FFFFFF; border-bottom: 1px solid rgba(0,0,0,0.08); backdrop-filter: none; }
[data-theme="light"] header.site .brand { color: #1a1a1a; }
[data-theme="light"] header.site .brand .wm { color: #1a1a1a; }
[data-theme="light"] header.site .brand .wm .da { color: rgba(26,26,26,0.55); }
[data-theme="light"] header.site .nav-trigger, [data-theme="light"] header.site .nav-direct { color: #1a1a1a; }
[data-theme="light"] header.site .nav-trigger:hover, [data-theme="light"] header.site .nav-direct:hover { background: rgba(0,0,0,0.06); color: #1a1a1a; }
[data-theme="light"] header.site .nav-trigger .caret { color: rgba(26,26,26,0.55); }
[data-theme="light"] header.site .nav-dropdown { background: #FFFFFF; border: 1px solid rgba(0,0,0,0.08); box-shadow: 0 12px 32px rgba(0,0,0,0.12); }
[data-theme="light"] header.site .nav-col-head { color: rgba(26,26,26,0.5); }
[data-theme="light"] header.site .nav-col a { color: #1a1a1a; }
[data-theme="light"] header.site .nav-col a:hover { background: rgba(0,0,0,0.05); color: #1a1a1a; }
[data-theme="light"] header.site .nav-cta { color: #1a1a1a; border: 1px solid rgba(26,26,26,0.25); }
[data-theme="light"] header.site .nav-cta:hover { background: #1a1a1a; color: #FFFFFF; border-color: #1a1a1a; }
[data-theme="light"] header.site .nav-lang { color: rgba(26,26,26,0.65); }

@media (max-width: 960px) {
  header.site .nav { padding: 0 20px; gap: 16px; }
  header.site .nav-links { display: none; }
  header.site .nav-lang { display: none; }
  header.site .nav-cta { padding: 7px 14px; font-size: 13px; }
}
.breadcrumb { padding: 32px 0 16px; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: #5C5C5C; text-transform: uppercase; letter-spacing: 0.1em; }
.breadcrumb a { color: #A8A8A8; }
.breadcrumb span { color: #FF5E1F; margin: 0 8px; }
.eyebrow { display: inline-flex; gap: 8px; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: #FF5E1F; text-transform: uppercase; letter-spacing: 0.15em; font-weight: 600; margin-bottom: 24px; }
.eyebrow .dot { color: rgba(255,94,31,0.4); }
h1 { font-family: 'Fraunces', Georgia, serif; font-size: clamp(36px, 5.5vw, 52px); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; margin-bottom: 20px; color: #FAFAFA; }
.subtitle { font-family: 'Fraunces', Georgia, serif; font-size: 22px; font-weight: 400; font-style: italic; line-height: 1.4; color: rgba(255,255,255,0.6); margin-bottom: 32px; }
.byline { display: flex; align-items: center; gap: 16px; padding: 16px 0; border-top: 1px solid rgba(255,255,255,0.08); border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 14px; color: #A8A8A8; margin-bottom: 40px; font-family: 'JetBrains Mono', monospace; letter-spacing: 0.02em; }
.byline .by { color: #FAFAFA; font-weight: 500; }
.byline .sep { color: #5C5C5C; }
article.post { padding-bottom: 60px; }
.post p { margin-bottom: 20px; color: rgba(250,250,250,0.85); }
.post p.lead { font-size: 20px; line-height: 1.6; color: #FAFAFA; font-weight: 400; margin-bottom: 32px; border-left: 3px solid #FF5E1F; padding-left: 20px; }
.post h2 { font-family: 'Fraunces', Georgia, serif; font-size: 28px; font-weight: 600; letter-spacing: -0.01em; margin: 40px 0 16px; color: #FAFAFA; }
.post h2 .italic { font-style: italic; color: #FF5E1F; }
.post ul { margin-bottom: 20px; padding-left: 20px; color: rgba(250,250,250,0.85); }
.post li { margin-bottom: 8px; }
.post strong { color: #FAFAFA; font-weight: 600; }
.post a { color: #FF5E1F; font-weight: 500; }
.post code { font-family: 'JetBrains Mono', monospace; background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; color: #FF5E1F; }
.post blockquote { margin: 32px 0; padding: 24px 28px; background: rgba(255,94,31,0.05); border-left: 4px solid #FF5E1F; border-radius: 0 8px 8px 0; }
.post blockquote p { font-family: 'Fraunces', Georgia, serif; font-size: 20px; font-style: italic; line-height: 1.5; color: #FAFAFA; margin: 0 0 12px; }
.post blockquote cite { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: #A8A8A8; font-style: normal; text-transform: uppercase; letter-spacing: 0.1em; }
.source-box { margin: 48px 0 32px; padding: 24px 28px; background: #1A1A1A; border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; }
.source-box .label { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: #FF5E1F; text-transform: uppercase; letter-spacing: 0.15em; font-weight: 600; margin-bottom: 8px; }
.source-box .title { font-family: 'Fraunces', serif; font-size: 18px; font-weight: 500; color: #FAFAFA; margin-bottom: 4px; }
.source-box .meta { font-size: 13px; color: #A8A8A8; margin-bottom: 12px; }
.source-box .link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: #FF5E1F; font-weight: 500; }
.tags { margin: 32px 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-family: 'JetBrains Mono', monospace; font-size: 11px; padding: 6px 10px; background: rgba(255,94,31,0.08); color: #FF5E1F; border-radius: 4px; letter-spacing: 0.05em; }
.tag:hover { background: rgba(255,94,31,0.15); text-decoration: none; }
.hero-image { margin: 0 -24px 40px; position: relative; }
.hero-image img { width: 100%; display: block; border-radius: 4px; aspect-ratio: 16/9; object-fit: cover; background: #1A1A1A; }
.hero-image .hero-placeholder { width: 100%; aspect-ratio: 16/9; background: linear-gradient(135deg, #FF5E1F 0%, #0A0A0A 60%); border-radius: 4px; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.hero-image .hero-placeholder::before { content: ''; position: absolute; inset: 0; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 100'%3E%3Cpath d='M0 50 L60 50 L80 10 L110 90 L140 30 L170 70 L200 45 L230 55 L260 50 L400 50' stroke='rgba(255,255,255,0.15)' stroke-width='2' fill='none'/%3E%3C/svg%3E"); background-size: 400px 100px; background-repeat: repeat-x; background-position: center; opacity: 0.4; }
.hero-image .hero-placeholder .label { position: relative; z-index: 2; font-family: 'JetBrains Mono', monospace; color: rgba(255,255,255,0.85); font-size: 12px; text-transform: uppercase; letter-spacing: 0.2em; text-align: center; line-height: 1.6; }
.hero-image .hero-placeholder .label strong { display: block; font-size: 22px; margin-top: 6px; letter-spacing: -0.02em; font-family: 'Fraunces', serif; font-style: italic; font-weight: 600; text-transform: none; }
.hero-image .caption { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: #5C5C5C; padding: 10px 24px 0; text-transform: uppercase; letter-spacing: 0.08em; }
.hero-image .caption a { color: #A8A8A8; }

.inline-newsletter { margin: 60px 0 40px; padding: 32px; background: #1A1A1A; border: 1px solid rgba(255,94,31,0.15); border-radius: 16px; }
.inline-newsletter .eyebrow-mini { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: #FF5E1F; text-transform: uppercase; letter-spacing: 0.2em; font-weight: 600; margin-bottom: 8px; }
.inline-newsletter h3 { font-family: 'Fraunces', serif; font-size: 24px; font-weight: 600; margin-bottom: 8px; line-height: 1.2; }
.inline-newsletter h3 .italic { font-style: italic; color: #FF5E1F; }
.inline-newsletter p { font-size: 14px; color: rgba(250,250,250,0.6); margin: 0; }
.inline-newsletter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; }
.inline-newsletter form { display: flex; flex-direction: column; gap: 8px; }
.inline-newsletter input { padding: 10px 14px; background: #0A0A0A; border: 1px solid rgba(255,255,255,0.1); border-radius: 6px; color: #FAFAFA; font-family: 'Inter', sans-serif; font-size: 14px; }
.inline-newsletter input:focus { outline: none; border-color: #FF5E1F; }
.inline-newsletter button { padding: 10px 14px; background: #FF5E1F; color: white; border: 0; border-radius: 6px; font-weight: 600; font-size: 14px; cursor: pointer; font-family: 'Inter', sans-serif; }
.inline-newsletter button:hover { background: #E5501A; }
.inline-newsletter .success { padding: 16px; background: rgba(46,204,113,0.08); border: 1px solid rgba(46,204,113,0.2); border-radius: 8px; font-size: 14px; color: #FAFAFA; }
.inline-newsletter .success strong { color: #2ECC71; }
@media (max-width: 640px) { .inline-newsletter-grid { grid-template-columns: 1fr; } }

.article-footer-nav { margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.back-link { color: #A8A8A8; }
.back-link:hover { color: #FF5E1F; }
.share { display: flex; align-items: center; gap: 16px; color: #5C5C5C; font-family: 'JetBrains Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; }
.share a { color: #A8A8A8; }
.share a:hover { color: #FF5E1F; }

footer.site { border-top: 1px solid rgba(255,255,255,0.06); padding: 40px 0; margin-top: 0; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: #5C5C5C; text-align: center; }

/* ================= RELATED CARDS (estrutura blog.google) ================= */
.related-section { margin: 80px 0 0; padding: 48px 0 0; border-top: 1px solid rgba(255,255,255,0.08); }
.related-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 28px; gap: 16px; flex-wrap: wrap; }
.related-title { font-family: 'Fraunces', Georgia, serif; font-size: clamp(24px, 2.4vw, 30px); font-weight: 600; letter-spacing: -0.01em; color: #FAFAFA; margin: 0; }
.related-all { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: #FF5E1F; text-transform: uppercase; letter-spacing: 0.12em; font-weight: 600; }
.related-all:hover { text-decoration: underline; text-underline-offset: 4px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { display: block; background: transparent; border-radius: 12px; overflow: hidden; transition: transform .2s ease; text-decoration: none; color: inherit; }
.related-card:hover { transform: translateY(-3px); text-decoration: none; }
.related-card:hover h4 { color: #FF5E1F; }
.related-image { aspect-ratio: 16/9; overflow: hidden; border-radius: 10px; background: #1A1A1A; margin-bottom: 14px; position: relative; }
.related-image img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s ease; }
.related-card:hover .related-image img { transform: scale(1.04); }
.related-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #FF5E1F 0%, #0A0A0A 70%); display: flex; align-items: center; justify-content: center; }
.related-placeholder span { font-family: 'JetBrains Mono', monospace; color: rgba(255,255,255,0.8); font-size: 11px; letter-spacing: 0.2em; }
.related-pill { position: absolute; top: 12px; left: 12px; font-family: 'JetBrains Mono', monospace; font-size: 10px; padding: 5px 10px; background: rgba(10,10,10,0.78); backdrop-filter: blur(8px); color: #FF5E1F; text-transform: uppercase; letter-spacing: 0.15em; font-weight: 600; border-radius: 4px; border: 1px solid rgba(255,94,31,0.3); }
.related-meta { padding: 0 4px; }
.related-card h4 { font-family: 'Fraunces', Georgia, serif; font-size: 19px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.25; margin: 0 0 10px; color: #FAFAFA; transition: color .2s ease; }
.related-byline { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: #A8A8A8; letter-spacing: 0.05em; text-transform: uppercase; }
@media (max-width: 880px) { .related-grid { grid-template-columns: 1fr 1fr; } .related-grid .related-card:nth-child(3) { grid-column: 1 / -1; } }
@media (max-width: 560px) { .related-grid { grid-template-columns: 1fr; } .related-grid .related-card:nth-child(3) { grid-column: auto; } .related-card h4 { font-size: 20px; } }

/* ================= NEWSLETTER BLOCK (footer form inline estilo blog.google) ================= */
.newsletter-block { background: #0E0E0E; border-top: 1px solid rgba(255,255,255,0.08); padding: 72px 0 56px; margin-top: 80px; scroll-margin-top: 80px; }
.newsletter-inner { max-width: 640px; text-align: center; }
.newsletter-icon { display: inline-flex; align-items: center; justify-content: center; width: 72px; height: 72px; background: rgba(255,94,31,0.08); border: 1px solid rgba(255,94,31,0.25); border-radius: 50%; margin-bottom: 20px; }
.newsletter-headline { font-family: 'Fraunces', Georgia, serif; font-size: clamp(28px, 3.4vw, 40px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; color: #FAFAFA; margin: 0 0 12px; }
.newsletter-sub { font-size: 15px; color: rgba(250,250,250,0.6); margin: 0 auto 28px; max-width: 480px; }
.newsletter-form { margin-bottom: 16px; }
.newsletter-fields { display: flex; gap: 8px; max-width: 540px; margin: 0 auto; }
.newsletter-fields input { flex: 1; padding: 12px 16px; background: #0A0A0A; border: 1px solid rgba(255,255,255,0.12); border-radius: 8px; color: #FAFAFA; font-family: 'Inter', sans-serif; font-size: 14px; transition: border-color .2s ease; }
.newsletter-fields input:focus { outline: none; border-color: #FF5E1F; }
.newsletter-fields input[type="text"] { max-width: 150px; }
.newsletter-fields button { padding: 12px 24px; background: #FF5E1F; color: white; border: 0; border-radius: 8px; font-weight: 600; font-size: 14px; cursor: pointer; font-family: 'Inter', sans-serif; transition: background .2s ease; white-space: nowrap; }
.newsletter-fields button:hover:not(:disabled) { background: #E5501A; }
.newsletter-fields button:disabled { opacity: 0.6; cursor: not-allowed; }
.newsletter-success { padding: 20px; background: rgba(46,204,113,0.08); border: 1px solid rgba(46,204,113,0.25); border-radius: 10px; font-size: 15px; color: #FAFAFA; max-width: 480px; margin: 0 auto; }
.newsletter-success strong { color: #2ECC71; }
.newsletter-privacy { font-size: 12px; color: rgba(250,250,250,0.45); max-width: 480px; margin: 0 auto; line-height: 1.5; }
.newsletter-privacy a { color: rgba(250,250,250,0.7); text-decoration: underline; text-underline-offset: 2px; }
.newsletter-privacy a:hover { color: #FF5E1F; }
@media (max-width: 560px) {
  .newsletter-block { padding: 56px 0 48px; margin-top: 60px; }
  .newsletter-fields { flex-direction: column; }
  .newsletter-fields input[type="text"] { max-width: 100%; }
}

/* ================= FOLLOW US (circulos, estilo blog.google) ================= */
.follow-us { background: #0A0A0A; padding: 48px 0 32px; }
.follow-inner { max-width: 900px; text-align: center; }
.follow-eyebrow { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: #FF5E1F; text-transform: uppercase; letter-spacing: 0.2em; font-weight: 600; margin-bottom: 12px; }
.follow-title { font-family: 'Fraunces', Georgia, serif; font-size: clamp(22px, 2.4vw, 30px); font-weight: 600; letter-spacing: -0.01em; color: #FAFAFA; margin: 0 0 28px; }
.social-circles { display: flex; justify-content: center; gap: 14px; }
.sc-item { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); color: #FAFAFA; transition: all .2s ease; }
.sc-item:hover { background: #FF5E1F; border-color: #FF5E1F; color: #FFF; transform: translateY(-2px); text-decoration: none; }

/* ================= FOOTER BOTTOM (grupos de links estilo blog.google) ================= */
footer.site { border-top: 1px solid rgba(255,255,255,0.08); padding: 48px 0 32px; margin-top: 0; background: #0A0A0A; text-align: left; font-size: 14px; color: #A8A8A8; font-family: 'Inter', sans-serif; }
.footer-grid { max-width: 1100px; display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-brand-col { padding-right: 20px; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; color: #FAFAFA; margin-bottom: 12px; }
.footer-brand:hover { text-decoration: none; }
.footer-brand svg { width: 56px; height: 22px; }
.footer-brand .wm { font-size: 16px; font-weight: 400; letter-spacing: -0.01em; }
.footer-brand .wm .da { font-style: italic; color: rgba(255,255,255,0.5); }
.footer-brand .wm .ia { font-weight: 600; }
.footer-tagline { font-size: 13px; color: rgba(250,250,250,0.5); margin: 0; line-height: 1.5; max-width: 260px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-head { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: #FF5E1F; text-transform: uppercase; letter-spacing: 0.15em; font-weight: 600; margin-bottom: 4px; }
.footer-col a { color: rgba(250,250,250,0.75); font-size: 13px; transition: color .15s ease; }
.footer-col a:hover { color: #FF5E1F; text-decoration: none; }
.footer-meta { max-width: 1100px; display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-size: 12px; color: rgba(250,250,250,0.4); font-family: 'JetBrains Mono', monospace; letter-spacing: 0.02em; flex-wrap: wrap; gap: 12px; }
.footer-signature a { color: rgba(250,250,250,0.6); }
.footer-signature a:hover { color: #FF5E1F; text-decoration: none; }
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand-col { grid-column: 1 / -1; padding-right: 0; margin-bottom: 8px; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-meta { flex-direction: column; align-items: flex-start; }
}