/* ============================================================
   COMPONENTS — nav, hero, cards, botões
   ============================================================ */

/* ---------- Botões ---------- */
.btn {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: var(--ls-mono-sm);
  text-transform: uppercase;
  padding: 14px 28px;
  border: 1px solid transparent;
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
  cursor: pointer;
}
.btn-solid { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn-outline { color: var(--ink-mid); border-color: var(--border-dk); }
.btn-outline:hover { border-color: var(--ink); color: var(--ink); }

.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { opacity: 0.88; }

/* ---------- Navbar ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--container-pad);
  background: color-mix(in oklab, var(--bg) 96%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-brand { display: flex; align-items: center; gap: var(--sp-2); }
.nav-name {
  font-family: var(--f-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--ls-mono-sm);
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}
.nav-name::after { content: ' ·'; opacity: 0.3; }
.nav-role {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent);
}
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  font-family: var(--f-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color var(--dur-fast);
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--ink); }

.nav-cta {
  font-family: var(--f-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  padding: 9px 18px;
  transition: opacity var(--dur-fast);
}
.nav-cta:hover { opacity: 0.85; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 12px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-hamburger span {
  width: 22px; height: 1.5px;
  background: var(--ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  display: none;
  flex-direction: column;
  position: fixed;
  top: var(--nav-h);
  inset-inline: 0;
  z-index: 999;
  background: color-mix(in oklab, var(--bg) 98%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: var(--sp-4) 0 var(--sp-6);
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: var(--f-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 12px var(--sp-6);
}
.nav-mobile a[aria-current="page"] { color: var(--ink); }
.nav-mobile .nav-cta { margin: 12px var(--sp-6) 0; text-align: center; }

@media (max-width: 960px) {
  .nav { padding: 0 var(--container-pad-mobile); height: var(--nav-h-mobile); }
  .nav-links, .nav > .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .nav-mobile { top: var(--nav-h-mobile); }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}
.hero-left {
  display: flex; flex-direction: column; justify-content: center;
  padding: 80px 56px 80px var(--container-pad);
  position: relative; z-index: 1;
}
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 36px; }
.hero-dot {
  width: 5px; height: 5px; background: var(--accent); border-radius: 50%;
  animation: blink 2.4s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.hero-eyebrow-text {
  font-family: var(--f-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-mono-lg);
  text-transform: uppercase;
  color: var(--accent);
}
.hero h1 em { font-style: italic; color: var(--ink-soft); }
.hero-sub {
  font-size: 15px; font-weight: 300; line-height: 1.75;
  color: var(--ink-mid); max-width: 440px;
  margin: 28px 0 44px;
  padding-left: 18px;
  border-left: 2px solid var(--accent-mid);
}
.hero-sub strong { color: var(--ink); font-weight: 500; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-secondary {
  display: flex; align-items: center; gap: var(--sp-2);
  margin-top: 14px;
}
.hero-secondary::before {
  content: ''; width: 16px; height: 1px; background: var(--border-dk);
}
.hero-secondary a {
  font-family: var(--f-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-mono-sm);
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color var(--dur-fast);
}
.hero-secondary a:hover { color: var(--accent); }
.hero-right {
  position: relative; overflow: hidden;
  background: var(--bg-2);
}
.hero-right img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  filter: contrast(1.04);
}
.hero-creds {
  display: flex; gap: 36px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border-dk);
}
.cred-val {
  font-family: var(--f-mono);
  font-size: var(--fs-lead);
  font-weight: 500; color: var(--ink);
}
.cred-label {
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: var(--ls-mono-sm);
  text-transform: uppercase;
  color: var(--ink-dim);
  display: block; margin-top: 3px;
}

/* ---------- Grids genéricos ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-20);
  align-items: center;
}

/* Card base (serviços, intel, proof) */
.card {
  background: var(--bg);
  padding: 40px 32px 36px;
  position: relative; overflow: hidden;
  transition: background var(--dur-fast);
  display: block; color: inherit;
}
.card:hover { background: var(--accent-lo); }
.card-num {
  font-family: var(--f-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-mono-lg);
  color: var(--ink-dim);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.card-name {
  font-family: var(--f-display);
  font-size: 24px; line-height: 1.1;
  margin-bottom: 10px;
}
.card-tag {
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.card-desc {
  font-size: var(--fs-body-xs);
  font-weight: 300;
  line-height: 1.8;
  color: var(--ink-mid);
  margin-bottom: 32px;
}
.card-link {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: var(--ls-mono);
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: gap var(--dur-fast), color var(--dur-fast);
}
.card:hover .card-link { gap: 12px; color: var(--accent); }

/* ---------- Block tag (section-tag variants) ---------- */
.block-dark {
  background: #0F172A;
  color: #F8FAFC;
}
.block-dark .section-tag { color: #64748B; }
.block-dark .section-tag::before { background: #64748B; }

/* ---------- Footer ---------- */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 52px var(--container-pad) 36px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 44px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--border);
}
.footer-brand-name {
  font-family: var(--f-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--ls-mono-sm);
  text-transform: uppercase;
}
.footer-brand-role {
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 4px;
  margin-bottom: 16px;
}
.footer-col-title {
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: var(--ls-mono-lg);
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 12px; font-weight: 300;
  color: var(--ink-soft);
  transition: color var(--dur-fast);
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy, .footer-status {
  font-family: var(--f-mono);
  font-size: 8px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.footer-status { display: flex; align-items: center; gap: 7px; }
.footer-status::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: #22c55e;
}

/* ---------- Formulários ---------- */
.form-grid {
  display: grid;
  gap: var(--sp-5);
  max-width: 640px;
  margin-inline: auto;
}
.form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.form-field { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-field label {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: var(--ls-mono-sm);
  text-transform: uppercase;
  color: var(--ink-soft);
}
.form-field input,
.form-field textarea,
.form-field select {
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border-dk);
  padding: 12px 14px;
  transition: border-color var(--dur-fast);
  font-family: var(--f-body);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field .hint {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.form-submit {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: var(--ls-mono-sm);
  text-transform: uppercase;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: opacity var(--dur-fast);
}
.form-submit:hover { opacity: 0.88; }
.form-legal {
  font-family: var(--f-mono);
  font-size: 9px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: center;
  margin-top: var(--sp-4);
}

@media (max-width: 640px) {
  .form-grid.cols-2 { grid-template-columns: 1fr; }
}

/* ============================================================
   ARTICLE / PROSE
   ============================================================ */

.article-hero {
  padding: calc(var(--nav-h) + 80px) var(--container-pad) 60px;
  max-width: 920px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.article-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--f-mono);
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-mono-lg);
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-8);
}
.article-meta::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.article-meta .dot { color: var(--ink-dim); }
.article-title {
  font-family: var(--f-display);
  font-size: clamp(40px, 4.2vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: var(--sp-6);
}
.article-title em { font-style: italic; color: var(--ink-soft); }
.article-lead {
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink-mid);
  font-weight: 300;
  max-width: 62ch;
  padding-left: 18px;
  border-left: 2px solid var(--accent-mid);
}

.article-archive-note {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 14px 20px;
  max-width: 920px;
  margin: 0 auto var(--sp-10);
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.article-archive-note strong { color: var(--ink); font-weight: 500; }

.prose {
  max-width: 680px;
  margin: 60px auto;
  padding-inline: var(--container-pad-mobile);
  font-family: var(--f-body);
  font-size: 18px;
  line-height: 1.75;
  color: var(--ink-mid);
}
.prose > * + * { margin-top: 1.25em; }
.prose p { max-width: none; }
.prose p strong { color: var(--ink); font-weight: 500; }
.prose em { font-style: italic; color: inherit; }

.prose h2 {
  font-family: var(--f-display);
  font-size: clamp(26px, 2.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-top: 2.2em;
  margin-bottom: 0.5em;
}
.prose h3 {
  font-family: var(--f-display);
  font-size: 22px;
  line-height: 1.2;
  color: var(--ink);
  margin-top: 1.8em;
  margin-bottom: 0.4em;
}
.prose h4 {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 2em;
  margin-bottom: 0.6em;
  font-weight: 500;
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.prose a:hover { color: var(--ink); }

.prose blockquote {
  margin: 2em 0;
  padding: 0 0 0 28px;
  border-left: 3px solid var(--accent);
  font-family: var(--f-display);
  font-size: 22px;
  line-height: 1.5;
  color: var(--ink);
  font-style: italic;
}
.prose blockquote p { font-size: inherit; line-height: inherit; }
.prose blockquote cite {
  display: block;
  margin-top: 12px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-style: normal;
}

.prose ul, .prose ol {
  padding-left: 1.4em;
  list-style: revert;
}
.prose ul li, .prose ol li { margin-top: 0.6em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }

.prose hr {
  margin: 3em 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.prose img,
.prose figure {
  margin: 2em 0;
  max-width: 100%;
  height: auto;
}
.prose figure img { margin: 0; }
.prose figcaption {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: center;
  margin-top: 10px;
}

.prose code {
  font-family: var(--f-mono);
  font-size: 0.88em;
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--ink);
}
.prose pre {
  background: var(--bg-2);
  padding: 20px 24px;
  overflow-x: auto;
  border-left: 3px solid var(--accent);
  font-size: 14px;
  line-height: 1.6;
}
.prose pre code { background: transparent; padding: 0; }

.prose iframe {
  max-width: 100%;
  display: block;
  margin: 2em auto;
  aspect-ratio: 16/9;
  height: auto;
  width: 100%;
}

/* Article footer CTA */
.article-footer {
  max-width: 680px;
  margin: 80px auto 0;
  padding: 40px var(--container-pad-mobile) 60px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.article-footer .mono {
  font-size: var(--fs-micro);
  letter-spacing: var(--ls-mono-lg);
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: var(--sp-5);
}

/* Index / archive listing */
.article-list {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 var(--container-pad-mobile);
}
.article-list-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background var(--dur-fast);
}
.article-list-item:hover { background: var(--accent-lo); }
.article-list-item:hover .article-list-title { color: var(--accent); }
.article-list-date {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  text-transform: uppercase;
  padding-top: 4px;
}
.article-list-title {
  font-family: var(--f-display);
  font-size: 22px;
  line-height: 1.25;
  color: var(--ink);
  transition: color var(--dur-fast);
}
.article-list-excerpt {
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 300;
  margin-top: 8px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .article-hero { padding: calc(var(--nav-h-mobile) + 40px) var(--container-pad-mobile) 40px; }
  .prose { margin: 40px auto; font-size: 17px; }
  .article-list-item { grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: var(--nav-h-mobile); }
  .hero-left { padding: 48px var(--container-pad-mobile) 36px; }
  .hero-right { min-height: 340px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .footer { padding: 44px var(--container-pad-mobile) 28px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .hero-creds { flex-wrap: wrap; gap: 16px; }
}