/* ============================================================
   DIREÇÃO B — "CIRCULAÇÃO"
   Verde-floresta + off-white. Sans denso + serifa contemporânea.
   Rítmo, movimento, densidade visual.
   ============================================================ */

:root {
  --cir-bg:          #F4EFE7;   /* off-white quente, quase papel */
  --cir-bg-alt:      #EBE4D6;   /* creme mais saturado */
  --cir-ink:         #0F1F1A;   /* quase preto com viés verde */
  --cir-forest:      #1B3A2E;   /* verde-floresta profundo */
  --cir-forest-deep: #0F241C;
  --cir-moss:        #3D5A48;
  --cir-accent:      #D4582C;   /* terracota — acento quente, raro */
  --cir-ink-muted:   #5A6660;
  --cir-rule:        #D4CBB8;
  --cir-rule-dark:   #2A4A3B;

  --sans:  "Söhne", "Inter Tight", "Inter", system-ui, sans-serif;
  --serif: "Tiempos Headline", "GT Sectra", "Canela", "Spectral", Georgia, serif;
  --mono:  "JetBrains Mono", ui-monospace, monospace;

  --pad:    72px;
  --pad-sm: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0; padding: 0;
  background: var(--cir-bg);
  color: var(--cir-ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--cir-accent); color: var(--cir-bg); }

/* ---------- Header (sticky, evolves) ---------- */
.cir-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--cir-bg);
  border-bottom: 1px solid var(--cir-rule);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 48px;
  padding: 18px var(--pad);
}
.cir-wordmark {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: -0.02em;
  line-height: 1;
}
.cir-wordmark .amp {
  font-style: italic;
  color: var(--cir-accent);
  margin: 0 2px;
}
.cir-wordmark small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cir-accent);
  margin-top: 6px;
  font-weight: 500;
}
.cir-wordmark small .amp {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  vertical-align: -1px;
  font-weight: 400;
}
.cir-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
  font-size: 14.5px;
  letter-spacing: -0.005em;
  font-weight: 500;
}
.cir-nav a {
  color: var(--cir-ink);
  opacity: 0.7;
  transition: opacity 160ms ease;
}
.cir-nav a:hover, .cir-nav a.active { opacity: 1; }
.cir-nav a.active {
  position: relative;
}
.cir-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--cir-accent);
}
.cir-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  background: var(--cir-forest);
  color: var(--cir-bg);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border-radius: 100px;
  transition: background 180ms ease, transform 180ms ease;
}
.cir-cta:hover { background: var(--cir-forest-deep); transform: translateY(-1px); }
.cir-cta span { font-size: 15px; line-height: 1; }

/* Header actions wrapper — groups CTA + hamburger on the right */
.cir-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Hamburger + close button (mobile only) */
.cir-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--cir-ink);
  border-radius: 2px;
  transition: color 160ms ease, background 160ms ease;
}
.cir-menu-toggle:hover { color: var(--cir-accent); }
.cir-menu-toggle:focus-visible {
  outline: 2px solid var(--cir-accent);
  outline-offset: 2px;
}

/* Mobile menu overlay */
.cir-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--cir-bg);
  display: flex;
  flex-direction: column;
  animation: cir-fade-in 200ms ease;
}
@keyframes cir-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.cir-mobile-menu-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px var(--pad);
  border-bottom: 1px solid var(--cir-rule);
}
.cir-mobile-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 48px var(--pad);
  justify-content: center;
  align-items: flex-start;
}
.cir-mobile-nav a {
  font-family: var(--serif);
  font-size: clamp(32px, 7.5vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--cir-ink);
  padding: 8px 0;
  transition: color 160ms ease;
}
.cir-mobile-nav a:hover {
  color: var(--cir-accent);
}
.cir-mobile-nav a.active {
  color: var(--cir-accent);
  font-style: italic;
}
.cir-mobile-nav a.cir-mobile-cta {
  display: inline-flex;
  margin-top: 36px;
  padding: 14px 26px;
  font-family: var(--sans);
  font-size: 14px;
  font-style: normal;
  letter-spacing: -0.005em;
  color: var(--cir-bg);
  background: var(--cir-forest);
}
.cir-mobile-nav a.cir-mobile-cta:hover {
  color: var(--cir-bg);
  background: var(--cir-forest-deep);
}

/* ---------- HERO ---------- */
.cir-hero {
  padding: 80px var(--pad) 120px;
  position: relative;
  overflow: hidden;
}
.cir-hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--cir-rule);
  margin-bottom: 64px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cir-ink-muted);
}
.cir-hero-meta .now { color: var(--cir-accent); }
.cir-hero-meta .now::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cir-accent);
  margin-right: 8px;
  vertical-align: 1px;
  animation: cir-pulse 1.8s ease-in-out infinite;
}
@keyframes cir-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.cir-hero-title {
  font-family: var(--serif);
  font-size: clamp(56px, 8vw, 128px);
  line-height: 0.94;
  letter-spacing: -0.03em;
  font-weight: 400;
  margin: 0;
  max-width: 14ch;
}
.cir-hero-title em {
  font-style: italic;
  color: var(--cir-accent);
}
.cir-hero-title .underline {
  display: inline-block;
  position: relative;
  isolation: isolate;
}
.cir-hero-title .underline::after {
  content: "";
  position: absolute;
  left: -0.05em; right: -0.05em; bottom: 0.08em;
  height: 0.22em;
  background: var(--cir-accent);
  opacity: 0.85;
  z-index: -1;
}

.cir-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  margin-top: 72px;
  align-items: start;
}
.cir-lead {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.35;
  font-weight: 400;
  color: var(--cir-ink);
  max-width: 32ch;
  letter-spacing: -0.01em;
}
.cir-lead em {
  font-style: italic;
  color: var(--cir-forest);
}

.cir-hero-card {
  background: var(--cir-forest);
  color: var(--cir-bg);
  padding: 36px 36px 32px;
  border-radius: 4px;
  position: relative;
}
.cir-hero-card-kick {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 18px;
}
.cir-hero-card-body {
  font-size: 16px;
  line-height: 1.55;
  opacity: 0.9;
  margin-bottom: 28px;
}
.cir-hero-card-body strong {
  color: var(--cir-bg);
  opacity: 1;
  font-weight: 500;
}
.cir-hero-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--cir-rule-dark);
}
.cir-hero-card-stats .n {
  font-family: var(--serif);
  font-size: 40px;
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.cir-hero-card-stats .l {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.65;
  line-height: 1.4;
}

/* Moving ticker beneath hero */
.cir-ticker {
  border-top: 1px solid var(--cir-rule);
  border-bottom: 1px solid var(--cir-rule);
  background: var(--cir-bg-alt);
  overflow: hidden;
  position: relative;
}
.cir-ticker-track {
  display: flex;
  gap: 64px;
  padding: 20px 0;
  white-space: nowrap;
  animation: cir-scroll 40s linear infinite;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.cir-ticker-track em {
  font-style: italic;
  color: var(--cir-forest);
}
.cir-ticker-track .dot {
  color: var(--cir-accent);
  margin: 0 8px;
}
@keyframes cir-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- STATEMENT — text block (O escritório / Método) ---------- */
.cir-statement {
  padding: 100px var(--pad);
  background: var(--cir-bg);
}
.cir-statement--alt {
  background: var(--cir-bg-alt);
}
.cir-statement .cir-section-head {
  display: block;
  grid-template-columns: none;
  margin-bottom: 56px;
}
.cir-statement-prose {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.42;
  letter-spacing: -0.01em;
  max-width: 60ch;
  color: var(--cir-ink);
}
.cir-statement-prose p { margin: 0 0 24px; }
.cir-statement-prose p:last-child { margin-bottom: 0; }
.cir-statement-prose em { font-style: italic; color: var(--cir-forest); }
.cir-statement-prose strong { color: var(--cir-accent); font-weight: 500; }

/* ---------- PHERO quote (Publicações hero) ---------- */
.cir-phero-quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: 26px;
  line-height: 1.35;
  letter-spacing: -0.015em;
  font-weight: 400;
  color: var(--cir-forest);
  margin: 0 0 24px;
  padding: 0 0 0 24px;
  border-left: 3px solid var(--cir-accent);
  max-width: 38ch;
}
.cir-phero-quote em { font-style: italic; color: var(--cir-accent); }

/* ---------- PRACTICE — asymmetric grid ---------- */
.cir-practice {
  padding: 120px var(--pad) 100px;
  background: var(--cir-bg);
}
.cir-section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: baseline;
  margin-bottom: 72px;
}
.cir-kicker {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cir-accent);
  margin-bottom: 12px;
}
.cir-section-h {
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin: 0;
  max-width: 18ch;
}
.cir-section-h em { font-style: italic; color: var(--cir-forest); }
.cir-section-sub {
  font-size: 17px;
  line-height: 1.55;
  color: var(--cir-ink-muted);
  max-width: 46ch;
  margin: 0;
}

.cir-practice-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 16px;
}
.cir-pcard {
  position: relative;
  padding: 32px 32px 28px;
  border-radius: 6px;
  background: var(--cir-bg-alt);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: transform 300ms ease, background 220ms ease;
  cursor: pointer;
  min-height: 260px;
}
.cir-pcard:hover { transform: translateY(-4px); }
.cir-pcard--01 { grid-column: span 7; background: var(--cir-forest); color: var(--cir-bg); min-height: 340px; }
.cir-pcard--02 { grid-column: span 5; background: var(--cir-bg-alt); }
.cir-pcard--03 { grid-column: span 5; background: var(--cir-ink); color: var(--cir-bg); }
.cir-pcard--04 { grid-column: span 7; background: var(--cir-accent); color: var(--cir-bg); }

.cir-pcard-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.55;
}
.cir-pcard-title {
  font-family: var(--serif);
  font-size: 40px;
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin: 40px 0 14px;
  max-width: 14ch;
}
.cir-pcard--01 .cir-pcard-title,
.cir-pcard--04 .cir-pcard-title { font-size: 52px; }
.cir-pcard-title em { font-style: italic; }
.cir-pcard-desc {
  font-size: 15px;
  line-height: 1.5;
  opacity: 0.78;
  max-width: 40ch;
  margin: 0 0 24px;
}
.cir-pcard-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.cir-pcard-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 9px;
  border: 1px solid currentColor;
  opacity: 0.6;
  border-radius: 2px;
}
.cir-pcard-arrow {
  position: absolute;
  top: 28px; right: 28px;
  font-size: 22px;
  line-height: 1;
  opacity: 0.7;
  transition: transform 260ms ease, opacity 220ms ease;
}
.cir-pcard:hover .cir-pcard-arrow {
  transform: translate(5px, -5px);
  opacity: 1;
}

/* ---------- Manifesto band ---------- */
.cir-manifesto {
  background: var(--cir-forest);
  color: var(--cir-bg);
  padding: 140px var(--pad);
  position: relative;
  overflow: hidden;
}
.cir-manifesto-kicker {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cir-accent);
  margin-bottom: 36px;
}
.cir-manifesto-q {
  font-family: var(--serif);
  font-size: clamp(36px, 5.4vw, 84px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin: 0;
  max-width: 24ch;
}
.cir-manifesto-q em {
  font-style: italic;
  color: var(--cir-accent);
}
.cir-manifesto-foot {
  margin-top: 72px;
  padding-top: 32px;
  border-top: 1px solid var(--cir-rule-dark);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 40px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.65;
}

/* ---------- Publications — magazine-like ---------- */
.cir-pubs {
  padding: 120px var(--pad) 100px;
  background: var(--cir-bg);
}
.cir-pubs-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
  align-items: start;
}
.cir-pub {
  border-top: 1px solid var(--cir-rule);
  padding-top: 24px;
  cursor: pointer;
  transition: transform 240ms ease;
}
.cir-pub:hover { transform: translateY(-2px); }
.cir-pub:hover .cir-pub-t { color: var(--cir-forest); }
.cir-pub--hero { grid-column: span 7; padding-right: 40px; }
.cir-pub--a { grid-column: span 5; }
.cir-pub--b { grid-column: span 4; }
.cir-pub--c { grid-column: span 4; }
.cir-pub--d { grid-column: span 4; }
.cir-pub-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cir-ink-muted);
}
.cir-pub-meta .cat { color: var(--cir-accent); }
.cir-pub-t {
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin: 0 0 14px;
  transition: color 180ms ease;
}
.cir-pub--hero .cir-pub-t { font-size: 46px; }
.cir-pub-t em { font-style: italic; }
.cir-pub-k {
  font-size: 15px;
  line-height: 1.55;
  color: var(--cir-ink-muted);
  margin: 0;
  max-width: 44ch;
}
.cir-pub--hero .cir-pub-k { font-size: 17px; max-width: 48ch; }

.cir-pub-visual {
  background: var(--cir-forest);
  border-radius: 4px;
  aspect-ratio: 16/10;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.cir-pub-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(212, 88, 44, 0.45), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(61, 90, 72, 0.9), transparent 60%);
}
.cir-pub-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 60px, rgba(244, 239, 231, 0.06) 60px 61px);
}
.cir-pub--a .cir-pub-visual {
  background: var(--cir-ink);
  aspect-ratio: 5/4;
}
.cir-pub--a .cir-pub-visual::before {
  background:
    radial-gradient(ellipse at 70% 40%, rgba(212, 88, 44, 0.6), transparent 55%);
}

/* 3-up layout (home preview com 3 ensaios — col-4 cada, sem visual) */
.cir-pubs-grid--three .cir-pub--hero,
.cir-pubs-grid--three .cir-pub--a,
.cir-pubs-grid--three .cir-pub--b {
  grid-column: span 4;
  padding-right: 0;
}
.cir-pubs-grid--three .cir-pub-visual { display: none; }
.cir-pubs-grid--three .cir-pub-t,
.cir-pubs-grid--three .cir-pub--hero .cir-pub-t {
  font-size: 28px;
}
.cir-pubs-grid--three .cir-pub-k,
.cir-pubs-grid--three .cir-pub--hero .cir-pub-k {
  font-size: 15px;
  max-width: 38ch;
}

/* Mobile: 3-up grid stacks single column (override do col-4 acima) */
@media (max-width: 820px) {
  .cir-pubs-grid--three .cir-pub--hero,
  .cir-pubs-grid--three .cir-pub--a,
  .cir-pubs-grid--three .cir-pub--b {
    grid-column: span 12;
  }
}

/* ---------- Footer ---------- */
.cir-foot {
  background: var(--cir-forest);
  color: var(--cir-bg);
  padding: 64px var(--pad) 32px;
}
.cir-foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.cir-foot-brand {
  padding-right: 24px;
}
.cir-foot-name {
  font-family: var(--serif);
  font-size: 32px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin: 0 0 8px;
}
.cir-foot-name em {
  font-style: italic;
  color: var(--cir-accent);
}
.cir-foot-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cir-accent);
  font-weight: 500;
  margin: 0;
}
.cir-foot-tag .amp {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  vertical-align: -1px;
  font-weight: 400;
}
.cir-foot-grid h5 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.55;
  font-weight: 400;
  margin: 0 0 18px;
}
.cir-foot-grid a {
  display: block;
  margin-bottom: 10px;
  font-size: 15px;
  opacity: 0.8;
  transition: opacity 160ms ease;
}
.cir-foot-grid a:hover { opacity: 1; }
.cir-foot-note {
  font-size: 14.5px;
  line-height: 1.55;
  opacity: 0.75;
  max-width: 40ch;
}
.cir-foot-bot {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--cir-rule-dark);
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.5;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .cir-pcard--01, .cir-pcard--04 { grid-column: span 12; }
  .cir-pcard--02, .cir-pcard--03 { grid-column: span 6; }
  .cir-pub--hero { grid-column: span 12; padding-right: 0; }
  .cir-pub--a { grid-column: span 12; }
  .cir-pub--b, .cir-pub--c, .cir-pub--d { grid-column: span 12; }
}
@media (max-width: 820px) {
  :root { --pad: 24px; }
  .cir-nav { display: none; }
  .cir-header-actions .cir-cta { display: none; }
  .cir-menu-toggle { display: inline-flex; }
  .cir-header { grid-template-columns: 1fr auto; padding: 16px var(--pad); gap: 16px; }
  .cir-hero { padding: 40px var(--pad) 72px; }
  .cir-hero-grid { grid-template-columns: 1fr; gap: 40px; margin-top: 48px; }
  .cir-statement { padding: 64px var(--pad); }
  .cir-statement-prose { font-size: 20px; }
  .cir-phero-quote { font-size: 22px; }
  .cir-hero-meta { flex-direction: column; gap: 8px; align-items: flex-start; }
  .cir-section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 44px; }
  .cir-practice, .cir-pubs { padding: 72px var(--pad); }
  .cir-pcard--02, .cir-pcard--03 { grid-column: span 12; }
  .cir-manifesto { padding: 80px var(--pad); }
  .cir-manifesto-foot { flex-direction: column; gap: 16px; }
  .cir-foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cir-foot-bot { flex-direction: column; gap: 12px; }
}