/* ==========================================================================
   Vitruvit — sistema de design
   Conceito: instrumento de medição. Bandas alternadas de tinta e papel,
   réguas de 1px, marcações de escala, rótulos monoespaçados.
   Single-theme deliberado: a alternância ink/paper é a identidade.
   ========================================================================== */

:root {
  color-scheme: light;

  /* Tinta — azul-preto de planta baixa */
  --ink:        #0A1017;
  --ink-2:      #111A24;
  --ink-3:      #18232F;

  /* Papel — calcário quente */
  --paper:      #F1F0EC;
  --paper-2:    #FFFFFF;
  --paper-3:    #E7E6E0;

  /* Texto */
  --on-ink:     #EDF1F5;
  --on-ink-dim: #96A3B1;
  --on-ink-faint:#788695;   /* WCAG AA: 5.13:1 sobre --ink, 4.71:1 sobre --ink-2 */
  --on-paper:   #0A1017;
  --on-paper-dim:#55606B;

  /* Acentos */
  --accent:     #26689D;   /* azul de planta — WCAG AA sobre todos os fundos claros */
  --accent-lit: #58A9E4;   /* mesma cor, sobre tinta */
  --bronze:     #B8823C;   /* marcador de medição — sobre tinta (5.73:1) */
  --bronze-dk:  #805620;   /* mesmo papel, sobre papel (6.42:1 / 5.63:1 / 5.14:1) */

  /* Réguas */
  --rule-ink:   rgba(237,241,245,.13);
  --rule-paper: rgba(10,16,23,.14);

  /* Métrica */
  --wrap: 1200px;
  --gut: 24px;
  --r: 4px;

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --ease: cubic-bezier(.2,.7,.3,1);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--on-paper);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -.022em;
  line-height: 1.1;
  text-wrap: balance;
  margin: 0;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent-lit);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.band { position: relative; padding-block: clamp(72px, 9vw, 140px); }
.band--ink   { background: var(--ink);   color: var(--on-ink); }
.band--ink2  { background: var(--ink-2); color: var(--on-ink); }
.band--paper { background: var(--paper); color: var(--on-paper); }
.band--white { background: var(--paper-2); color: var(--on-paper); }
.band--tight { padding-block: clamp(48px, 6vw, 84px); }

/* Malha técnica sobre as bandas escuras */
.band--ink::before, .band--ink2::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(237,241,245,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(237,241,245,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
.band > .wrap { position: relative; z-index: 1; }

/* Régua de escala — o motivo assinatura, marcas de medição na borda da banda */
.band--ink + .band--paper::before,
.band--paper + .band--ink::before,
.rule-scale::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(
    to right,
    currentColor 0 1px,
    transparent 1px 32px
  );
  opacity: .17;
  pointer-events: none;
}

/* ---------- Tipografia ---------- */

.eyebrow {
  font-family: var(--f-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 20px;
}
.band--ink .eyebrow, .band--ink2 .eyebrow { color: var(--accent-lit); }

h1, .h1 { font-size: clamp(2rem, 4.6vw, 3.9rem); }
h2, .h2 { font-size: clamp(1.7rem, 3.2vw, 2.7rem); }
h3, .h3 { font-size: clamp(1.15rem, 1.5vw, 1.4rem); letter-spacing: -.015em; }
.h4     { font-size: 1.02rem; font-family: var(--f-display); font-weight: 600; }

.lede {
  font-size: clamp(1.05rem, 1.35vw, 1.24rem);
  line-height: 1.6;
  color: var(--on-paper-dim);
  max-width: 62ch;
}
.band--ink .lede, .band--ink2 .lede { color: var(--on-ink-dim); }

.body-dim { color: var(--on-paper-dim); }
.band--ink .body-dim, .band--ink2 .body-dim { color: var(--on-ink-dim); }

.measure { max-width: 68ch; }
.mono { font-family: var(--f-mono); }

.statement {
  font-family: var(--f-display);
  font-size: clamp(1.25rem, 2.1vw, 1.75rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -.02em;
  text-wrap: balance;
}

/* ---------- Botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -.005em;
  padding: 14px 24px;
  border-radius: var(--r);
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: #1C5788; }
.band--ink .btn--primary, .band--ink2 .btn--primary { background: var(--accent-lit); color: var(--ink); }
.band--ink .btn--primary:hover, .band--ink2 .btn--primary:hover { background: #7cbdec; }

.btn--ghost { border-color: var(--rule-paper); color: var(--on-paper); background: transparent; }
.btn--ghost:hover { border-color: var(--on-paper); }
.band--ink .btn--ghost, .band--ink2 .btn--ghost { border-color: var(--rule-ink); color: var(--on-ink); }
.band--ink .btn--ghost:hover, .band--ink2 .btn--ghost:hover { border-color: var(--on-ink-dim); }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.arrow-link {
  font-family: var(--f-body);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.band--ink .arrow-link, .band--ink2 .arrow-link { color: var(--accent-lit); }
.arrow-link span { transition: transform .2s var(--ease); display: inline-block; }
.arrow-link:hover span { transform: translateX(4px); }

/* ---------- Cabeçalho ---------- */

.site-header {
  position: fixed; inset: 0 0 auto 0;
  z-index: 60;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .25s var(--ease), border-color .25s var(--ease), backdrop-filter .25s var(--ease);
}
.site-header.is-stuck {
  background: rgba(10,16,23,.92);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom-color: var(--rule-ink);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; height: 72px;
}
.brand {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -.03em;
  color: var(--on-ink);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 9px;
}
.brand__mark { width: 17px; height: 17px; flex: none; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font-size: 14.5px; color: var(--on-ink-dim); text-decoration: none;
  padding: 9px 13px; border-radius: var(--r);
  transition: color .18s var(--ease), background .18s var(--ease);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--on-ink); background: rgba(237,241,245,.07); }
.header-cta { padding: 11px 19px; font-size: 14.5px; }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--rule-ink);
  border-radius: var(--r); color: var(--on-ink); width: 42px; height: 40px;
  cursor: pointer; align-items: center; justify-content: center;
}

@media (max-width: 940px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--ink); border-bottom: 1px solid var(--rule-ink);
    padding: 10px var(--gut) 20px;
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 4px; border-bottom: 1px solid var(--rule-ink); border-radius: 0; }
  .header-cta { margin-top: 16px; justify-content: center; }
}

/* ---------- Hero ---------- */

.hero { padding-top: clamp(120px, 15vw, 168px); padding-bottom: clamp(64px, 8vw, 116px); }
.hero__grid {
  display: grid; grid-template-columns: minmax(0,7fr) minmax(0,5fr);
  gap: clamp(32px, 5vw, 72px); align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero .lede { max-width: 54ch; }
.hero__support {
  margin-top: 30px; padding-top: 20px;
  border-top: 1px solid var(--rule-ink);
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .05em;
  color: var(--on-ink-faint);
}
.hero__figure { min-width: 0; }
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__figure { order: 2; }
}

.crumb {
  font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .08em;
  color: var(--on-ink-faint); margin-bottom: 26px;
}
.crumb a { color: var(--on-ink-faint); text-decoration: none; }
.crumb a:hover { color: var(--on-ink-dim); }

/* ---------- Barra de prova ---------- */

.proofbar { padding-block: 40px; background: var(--ink-2); border-top: 1px solid var(--rule-ink); border-bottom: 1px solid var(--rule-ink); color: var(--on-ink); }
.proofbar__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proofbar__item { padding: 4px 26px; border-left: 1px solid var(--rule-ink); }
.proofbar__item:first-child { border-left: 0; padding-left: 0; }
.proofbar__n {
  font-family: var(--f-mono); font-size: clamp(1.5rem, 2.4vw, 2.05rem);
  font-weight: 500; letter-spacing: -.03em; color: var(--on-ink);
  font-variant-numeric: tabular-nums; display: block; margin-bottom: 10px;
}
.proofbar__t { font-size: 13.5px; line-height: 1.45; color: var(--on-ink-dim); margin-bottom: 12px; }
.proofbar__s { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .09em; color: var(--on-ink-faint); text-transform: uppercase; }
.proofbar__note { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--rule-ink); font-size: 14px; color: var(--on-ink-dim); }
@media (max-width: 860px) {
  .proofbar__grid { grid-template-columns: 1fr 1fr; }
  .proofbar__item { border-left: 0; border-top: 1px solid var(--rule-ink); padding: 24px 0; }
  .proofbar__item:nth-child(2) { border-top: 0; }
  .proofbar__item:first-child { border-top: 0; }
}
@media (max-width: 520px) { .proofbar__grid { grid-template-columns: 1fr; } .proofbar__item:nth-child(2){border-top:1px solid var(--rule-ink);} }

/* ---------- Cabeçalho de seção ---------- */

.sec-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }
.sec-head h2 { margin-bottom: 18px; }
.sec-head--center { margin-inline: auto; text-align: center; }
.sec-head--center .lede { margin-inline: auto; }

/* ---------- Grades de cartão ---------- */

.cards { display: grid; gap: 20px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .cards--3 { grid-template-columns: 1fr; } .cards--2 { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--rule-paper);
  border-radius: var(--r);
  background: var(--paper-2);
  padding: 30px 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: border-color .2s var(--ease);
}
.band--ink .card, .band--ink2 .card { background: var(--ink-2); border-color: var(--rule-ink); }
.band--ink2 .card { background: var(--ink-3); }
.card--link:hover { border-color: var(--accent); }
.band--ink .card--link:hover, .band--ink2 .card--link:hover { border-color: var(--accent-lit); }
.card__idx {
  font-family: var(--f-mono); font-size: 12px; font-weight: 500;
  letter-spacing: .12em; color: var(--accent);
}
.band--ink .card__idx, .band--ink2 .card__idx { color: var(--accent-lit); }
.card p { font-size: 15.5px; line-height: 1.6; color: var(--on-paper-dim); }
.band--ink .card p, .band--ink2 .card p { color: var(--on-ink-dim); }
.card__foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--rule-paper); }
.band--ink .card__foot, .band--ink2 .card__foot { border-top-color: var(--rule-ink); }

/* Lista com marcador quadrado */
.ticks { display: flex; flex-direction: column; gap: 9px; }
.ticks li {
  position: relative; padding-left: 17px;
  font-size: 14.5px; line-height: 1.55; color: var(--on-paper-dim);
}
.band--ink .ticks li, .band--ink2 .ticks li { color: var(--on-ink-dim); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: .58em;
  width: 5px; height: 5px; background: var(--accent);
}
.band--ink .ticks li::before, .band--ink2 .ticks li::before { background: var(--accent-lit); }

/* ---------- Esteira do método ---------- */

.conveyor { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; }
.conveyor::before {
  content: ""; position: absolute; top: 15px; left: 0; right: 0;
  height: 1px; background: var(--rule-ink);
}
.stage { padding: 0 26px 0 0; position: relative; padding-top: 52px; }
.stage:not(:first-child) { padding-left: 26px; }
.stage::before {
  content: ""; position: absolute; top: 9px; left: 0;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--accent-lit); box-shadow: 0 0 0 5px var(--ink);
}
.stage:not(:first-child)::before { left: 26px; }
.stage__n {
  font-family: var(--f-mono); font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 500; color: var(--on-ink-faint); letter-spacing: -.03em;
  display: block; margin-bottom: 14px; font-variant-numeric: tabular-nums;
}
.stage h3 { margin-bottom: 6px; }
.stage__sub { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .07em; color: var(--accent-lit); text-transform: uppercase; margin-bottom: 16px; }
.stage p { font-size: 15.5px; line-height: 1.62; color: var(--on-ink-dim); }
.deliverable {
  margin-top: 20px; padding: 16px 0 16px 18px;
  border-left: 2px solid var(--bronze);
}
.deliverable b {
  display: block; font-family: var(--f-mono); font-size: 10.5px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--bronze); margin-bottom: 8px; font-weight: 500;
}
.deliverable span { font-size: 14.5px; line-height: 1.55; color: var(--on-ink-dim); }

@media (max-width: 900px) {
  .conveyor { grid-template-columns: 1fr; gap: 44px; }
  .conveyor::before { top: 0; bottom: 0; left: 6px; right: auto; width: 1px; height: auto; }
  .stage { padding: 0 0 0 34px; }
  .stage:not(:first-child) { padding-left: 34px; }
  .stage::before, .stage:not(:first-child)::before { top: 6px; left: 0; }
}

.golden-rule {
  margin-top: clamp(44px, 5vw, 68px); padding-top: 28px;
  border-top: 1px solid var(--rule-ink);
}

/* ---------- Setores (abas) ---------- */

.tabs { display: grid; grid-template-columns: minmax(0,3fr) minmax(0,9fr); gap: clamp(24px,4vw,56px); }
.tablist { display: flex; flex-direction: column; }
.tablist button {
  appearance: none; background: none; border: 0;
  border-left: 2px solid var(--rule-paper);
  text-align: left; padding: 15px 18px; cursor: pointer;
  font-family: var(--f-body); font-size: 16px; font-weight: 500;
  color: var(--on-paper-dim); transition: all .2s var(--ease);
}
.tablist button:hover { color: var(--on-paper); }
.tablist button[aria-selected="true"] { border-left-color: var(--accent); color: var(--on-paper); }

.tabpanel[hidden] { display: none; }
.panel__row { padding: 22px 0; border-top: 1px solid var(--rule-paper); }
.panel__row:first-of-type { border-top: 0; padding-top: 0; }
.panel__label {
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .13em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 10px; display: block;
}
.panel__row p { font-size: 15.5px; line-height: 1.62; color: var(--on-paper-dim); }
.panel__bench {
  margin-top: 24px; padding: 16px 18px; background: var(--paper-3);
  border-radius: var(--r); font-family: var(--f-mono); font-size: 12.5px;
  line-height: 1.55; color: var(--on-paper-dim);
}
@media (max-width: 860px) {
  .tabs { grid-template-columns: 1fr; }
  .tablist { flex-direction: row; overflow-x: auto; border-bottom: 1px solid var(--rule-paper); }
  .tablist button { border-left: 0; border-bottom: 2px solid transparent; white-space: nowrap; padding: 12px 14px; }
  .tablist button[aria-selected="true"] { border-bottom-color: var(--accent); }
}

/* ---------- Checklist de sintomas ---------- */

.symptoms { display: grid; grid-template-columns: minmax(0,4fr) minmax(0,8fr); gap: clamp(24px,4vw,56px); align-items: start; }
.symptom-list li {
  display: flex; gap: 16px; padding: 20px 0;
  border-top: 1px solid var(--rule-paper); cursor: pointer;
}
.symptom-list li:first-child { border-top: 0; padding-top: 0; }
.symptom-list .box {
  flex: none; width: 20px; height: 20px; margin-top: 3px;
  border: 1px solid var(--on-paper-dim); border-radius: 2px;
  display: grid; place-items: center; transition: all .2s var(--ease);
}
.symptom-list li.is-checked .box { background: var(--accent); border-color: var(--accent); }
.symptom-list .box svg { opacity: 0; width: 12px; height: 12px; }
.symptom-list li.is-checked .box svg { opacity: 1; }
.symptom-list b { font-family: var(--f-display); font-weight: 600; font-size: 16px; display: block; margin-bottom: 5px; letter-spacing: -.015em; }
.symptom-list p { font-size: 15px; line-height: 1.58; color: var(--on-paper-dim); }
.verdict {
  margin-top: 30px; padding: 22px 24px;
  background: var(--ink); color: var(--on-ink); border-radius: var(--r);
}
.verdict .statement { font-size: 1.15rem; }
@media (max-width: 860px) { .symptoms { grid-template-columns: 1fr; } }

/* ---------- Linha do tempo da metodologia ---------- */

.phases { position: relative; padding-left: 34px; }
.phases::before {
  content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px;
  width: 1px; background: var(--rule-paper);
}
.phase { position: relative; padding-bottom: 40px; }
.phase:last-child { padding-bottom: 0; }
.phase::before {
  content: ""; position: absolute; left: -34px; top: 7px;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--accent);
}
.phase__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.phase__n { font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; color: var(--accent); font-weight: 500; }
.phase__dur {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .05em;
  color: var(--on-paper-dim); border: 1px solid var(--rule-paper);
  padding: 3px 9px; border-radius: 100px; margin-left: auto;
}
.phase h3 { margin-bottom: 14px; }
.phase__body { display: grid; gap: 12px; }
.phase__body > div { font-size: 15px; line-height: 1.6; color: var(--on-paper-dim); }
.phase__body b {
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--on-paper); display: block; margin-bottom: 4px; font-weight: 500;
}
@media (max-width: 560px) { .phase__dur { margin-left: 0; } }

/* ---------- Estatísticas ---------- */

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.stat { padding: 34px 34px 34px 0; border-top: 1px solid var(--rule-paper); }
.stat:nth-child(odd) { border-right: 1px solid var(--rule-paper); }
.stat:nth-child(even) { padding-left: 34px; padding-right: 0; }
.stat:nth-child(1), .stat:nth-child(2) { border-top: 0; padding-top: 0; }
.stat__n {
  font-family: var(--f-mono); font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  font-weight: 500; letter-spacing: -.035em; color: var(--on-paper);
  display: block; margin-bottom: 14px; font-variant-numeric: tabular-nums;
}
.stat p { font-size: 15px; line-height: 1.6; color: var(--on-paper-dim); margin-bottom: 14px; }
.stat__src { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .09em; text-transform: uppercase; color: var(--accent); }
@media (max-width: 720px) {
  .stats { grid-template-columns: 1fr; }
  .stat, .stat:nth-child(even) { padding: 28px 0; border-right: 0; }
  .stat:nth-child(2) { border-top: 1px solid var(--rule-paper); padding-top: 28px; }
}

.readout {
  margin-top: 40px; padding: 26px 28px;
  background: var(--paper-3); border-radius: var(--r);
  border-left: 2px solid var(--bronze);
}
.readout b { font-family: var(--f-display); font-weight: 600; }
.readout p { font-size: 15.5px; line-height: 1.62; color: var(--on-paper-dim); }

/* ---------- Tabela de instrumentos ---------- */

.tools { border-top: 1px solid var(--rule-paper); }
.tools li {
  display: grid; grid-template-columns: minmax(0,4fr) minmax(0,8fr); gap: 20px;
  padding: 18px 0; border-bottom: 1px solid var(--rule-paper);
}
.tools code {
  font-family: var(--f-mono); font-size: 13.5px; color: var(--on-paper);
  background: var(--paper-3); padding: 3px 8px; border-radius: 3px;
  justify-self: start; height: fit-content;
}
.tools p { font-size: 15px; line-height: 1.58; color: var(--on-paper-dim); }
@media (max-width: 700px) { .tools li { grid-template-columns: 1fr; gap: 8px; } }

/* ---------- Comparativo / duas colunas ---------- */

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.split__col { padding: 0 34px; border-left: 1px solid var(--rule-paper); }
.split__col:first-child { padding-left: 0; border-left: 0; }
.split__col:last-child { padding-right: 0; }
.split__h {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .13em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 22px; display: block;
}
.split__col--soft .split__h { color: var(--on-paper-dim); }
.split__col--soft .ticks li::before { background: var(--on-paper-dim); }
@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; gap: 36px; }
  .split__col, .split__col:first-child { padding: 0; border-left: 0; }
  .split__col:last-child { padding-top: 36px; border-top: 1px solid var(--rule-paper); }
}

/* ---------- Casos / exemplos horizontais ---------- */

.case {
  display: grid; grid-template-columns: minmax(0,2fr) repeat(3, minmax(0,3fr));
  gap: 0; border: 1px solid var(--rule-ink); border-radius: var(--r);
  overflow: hidden; margin-bottom: 18px;
}
.band--paper .case, .band--white .case { border-color: var(--rule-paper); }
.case > div { padding: 26px 24px; border-left: 1px solid var(--rule-ink); }
.band--paper .case > div, .band--white .case > div { border-left-color: var(--rule-paper); }
.case > div:first-child { border-left: 0; }
.case__tag {
  font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .11em;
  text-transform: uppercase; color: var(--accent-lit); line-height: 1.5;
}
.band--paper .case__tag, .band--white .case__tag { color: var(--accent); }
.case__label {
  font-family: var(--f-mono); font-size: 10px; letter-spacing: .13em;
  text-transform: uppercase; color: var(--on-ink-faint); display: block; margin-bottom: 10px;
}
.band--paper .case__label, .band--white .case__label { color: var(--on-paper-dim); }
.case p { font-size: 14.5px; line-height: 1.58; color: var(--on-ink-dim); }
.band--paper .case p, .band--white .case p { color: var(--on-paper-dim); }
@media (max-width: 900px) {
  .case { grid-template-columns: 1fr; }
  .case > div { border-left: 0; border-top: 1px solid var(--rule-ink); }
  .band--paper .case > div, .band--white .case > div { border-top-color: var(--rule-paper); }
  .case > div:first-child { border-top: 0; }
}

/* ---------- FAQ ---------- */

.faq-wrap { display: grid; grid-template-columns: minmax(0,4fr) minmax(0,8fr); gap: clamp(24px,4vw,56px); align-items: start; }
.faq-aside { position: sticky; top: 100px; }
.faq { border-top: 1px solid var(--rule-paper); }
.faq details { border-bottom: 1px solid var(--rule-paper); }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 40px 22px 0;
  position: relative; font-family: var(--f-display); font-weight: 600;
  font-size: 17px; letter-spacing: -.015em; line-height: 1.4;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 4px; top: 50%;
  width: 13px; height: 1px; background: var(--on-paper); transition: transform .2s var(--ease);
}
.faq summary::before {
  content: ""; position: absolute; right: 10px; top: 50%; margin-top: -6px;
  width: 1px; height: 13px; background: var(--on-paper); transition: opacity .2s var(--ease);
}
.faq details[open] summary::before { opacity: 0; }
.faq details > div { padding: 0 40px 24px 0; }
.faq details p { font-size: 15.5px; line-height: 1.65; color: var(--on-paper-dim); }
@media (max-width: 860px) { .faq-wrap { grid-template-columns: 1fr; } .faq-aside { position: static; } }

/* ---------- Ecossistema ---------- */

.eco-split { position: relative; padding-top: 46px; }
.eco-split::before {
  content: ""; position: absolute; top: 0; left: 50%; width: 1px; height: 26px; background: var(--rule-ink);
}
.eco-split::after {
  content: ""; position: absolute; top: 26px; left: 25%; right: 25%; height: 1px; background: var(--rule-ink);
}
.eco-card__brand {
  font-family: var(--f-display); font-size: 1.5rem; font-weight: 700;
  letter-spacing: -.03em; margin-bottom: 6px;
}
@media (max-width: 900px) { .eco-split::after { display: none; } }

/* ---------- Equipe ---------- */

.people { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .people { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .people { grid-template-columns: 1fr; } }
.person { border: 1px solid var(--rule-paper); border-radius: var(--r); background: var(--paper-2); overflow: hidden; }
.person__ph {
  aspect-ratio: 4/5; background: var(--paper-3);
  display: grid; place-items: center; border-bottom: 1px solid var(--rule-paper);
  color: var(--on-paper-dim); font-family: var(--f-mono); font-size: 11px;
  letter-spacing: .1em; text-transform: uppercase; text-align: center; padding: 16px;
}
.person__body { padding: 22px 22px 26px; }
.person__role { font-family: var(--f-mono); font-size: 11px; letter-spacing: .11em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; display: block; }
.person h3 { margin-bottom: 10px; }
.person p { font-size: 14.5px; line-height: 1.58; color: var(--on-paper-dim); }

.todo {
  border: 1px dashed var(--bronze); background: rgba(184,130,60,.07);
  border-radius: var(--r); padding: 22px 24px; margin-bottom: 34px;
}
.todo b { font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--bronze); display: block; margin-bottom: 8px; }
.todo p { font-size: 15px; line-height: 1.6; color: var(--on-paper-dim); }

/* ---------- Formulário ---------- */

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 500; }
.field input, .field select, .field textarea {
  font-family: var(--f-body); font-size: 15.5px; color: var(--on-paper);
  background: var(--paper-2); border: 1px solid var(--rule-paper);
  border-radius: var(--r); padding: 13px 14px; width: 100%;
  transition: border-color .18s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); outline: none; }
.field input::placeholder, .field textarea::placeholder { color: #9AA3AC; }
.field .err { font-size: 13px; color: #B3261E; display: none; }
.field.is-invalid input, .field.is-invalid select, .field.is-invalid textarea { border-color: #B3261E; }
.field.is-invalid .err { display: block; }
.consent { display: flex; gap: 11px; align-items: flex-start; grid-column: 1/-1; }
.consent input { width: 18px; height: 18px; flex: none; margin-top: 3px; }
.consent label { font-size: 14px; line-height: 1.55; color: var(--on-paper-dim); }
.form-note { font-size: 12.5px; line-height: 1.6; color: var(--on-paper-dim); grid-column: 1/-1; }
.form-note a { color: var(--accent); }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.form-ok { display: none; padding: 30px; border: 1px solid var(--accent); border-radius: var(--r); background: var(--paper-2); }
.form-ok.is-on { display: block; }

/* ---------- Chamada final ---------- */

.final { text-align: center; }
.final .sec-head { margin-inline: auto; text-align: center; }
.final .btn-row { justify-content: center; }
.guarantees {
  margin-top: 26px; font-family: var(--f-mono); font-size: 11.5px;
  letter-spacing: .09em; text-transform: uppercase; color: var(--on-ink-faint);
}

/* ---------- Rodapé ---------- */

.site-footer { background: var(--ink); color: var(--on-ink); padding-block: 64px 28px; border-top: 1px solid var(--rule-ink); }
.foot-grid { display: grid; grid-template-columns: minmax(0,3fr) repeat(4, minmax(0,2fr)); gap: 34px; }
.foot-brand p { font-size: 14px; line-height: 1.6; color: var(--on-ink-dim); margin-top: 16px; max-width: 40ch; }
.foot-col h4 { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .13em; text-transform: uppercase; color: var(--on-ink-faint); margin-bottom: 16px; font-weight: 500; }
.foot-col ul { display: flex; flex-direction: column; gap: 10px; }
.foot-col a { font-size: 14.5px; color: var(--on-ink-dim); text-decoration: none; }
.foot-col a:hover { color: var(--on-ink); }
.foot-bottom {
  margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--rule-ink);
  display: flex; flex-wrap: wrap; gap: 14px 26px; justify-content: space-between;
  font-size: 12.5px; color: var(--on-ink-faint);
}
.foot-bottom a { color: var(--on-ink-faint); text-decoration: none; }
.foot-bottom a:hover { color: var(--on-ink-dim); }
.foot-legal { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .03em; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot-grid { grid-template-columns: 1fr; gap: 30px; } }

/* ---------- Conteúdo legal ---------- */

.prose { max-width: 72ch; }
.prose h2 { font-size: 1.35rem; margin: 40px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose p { font-size: 16px; line-height: 1.7; color: var(--on-paper-dim); margin-bottom: 14px; }
.prose ul { margin: 0 0 16px; display: flex; flex-direction: column; gap: 8px; }
.prose li { position: relative; padding-left: 17px; font-size: 16px; line-height: 1.65; color: var(--on-paper-dim); }
.prose li::before { content:""; position:absolute; left:0; top:.62em; width:5px; height:5px; background: var(--accent); }

/* ---------- Skip link ---------- */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: 12px 18px; border-radius: 0 0 var(--r) 0;
}
.skip:focus { left: 0; }

/* ---------- Animação de entrada ---------- */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- Menu suspenso ---------- */
.nav-drop { position: relative; }
.nav-drop__t { display: inline-flex; align-items: center; gap: 6px; }
.nav-drop__m {
  position: absolute; top: 100%; left: 0; min-width: 232px;
  background: var(--ink-2); border: 1px solid var(--rule-ink);
  border-radius: var(--r); padding: 7px; display: none; flex-direction: column;
  box-shadow: 0 14px 40px rgba(0,0,0,.42);
}
.nav-drop:hover .nav-drop__m, .nav-drop:focus-within .nav-drop__m { display: flex; }
.nav-drop__m a { padding: 10px 13px; font-size: 14.5px; }

@media (max-width: 940px) {
  .nav-drop { display: block; }
  .nav-drop__t { display: flex; padding: 14px 4px; border-bottom: 1px solid var(--rule-ink); }
  .nav-drop__t svg { display: none; }
  .nav-drop__m {
    position: static; display: flex; background: transparent; border: 0;
    box-shadow: none; padding: 0 0 0 16px; min-width: 0;
  }
  .nav-drop__m a { font-size: 14px; color: var(--on-ink-faint); }
}


/* Rótulo bronze que se adapta à banda em que está */
.label-bronze { color: var(--bronze-dk); }
.band--ink .label-bronze, .band--ink2 .label-bronze { color: var(--bronze); }