/* ==========================================================================
   BASE · reset, tipografia, botões, componentes globais, cabeçalho, rodapé
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--terra); outline-offset: 3px; }
.on-dark :focus-visible { outline-color: var(--paper); }

.skip-link {
  position: absolute; left: var(--s1); top: -100px; z-index: 100;
  background: var(--ink); color: var(--paper); padding: var(--s0) var(--s1);
  text-decoration: none;
}
.skip-link:focus { top: var(--s1); }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; margin: -1px;
}

/* ---- Layout ---- */
.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.on-dark { color: var(--paper); }

/* ---- Tipografia ---- */
.serif { font-family: var(--font-serif); }
.display, .h2, .h3, .quote {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -.012em;
  text-wrap: balance;
}
.display { font-size: var(--fs-display); line-height: var(--lh-tight); }
.h2 { font-size: var(--fs-h2); line-height: var(--lh-head); }
.h3 { font-size: var(--fs-h3); line-height: 1.2; }
.quote { font-size: var(--fs-quote); line-height: 1.18; }
.display em, .h2 em, .h3 em, .quote em { font-style: italic; }
.display strong, .h2 strong, .h3 strong, .quote strong { font-weight: 700; }
.accent-terra { color: var(--terra); }
.accent-olive { color: var(--olive); }

.eyebrow {
  display: flex; align-items: center; gap: var(--s1);
  font-family: var(--font-sans);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; flex: none; }
.eyebrow--plain::before { display: none; }
.on-dark .eyebrow { color: var(--paper-soft); }
.lead { font-size: var(--fs-lead); line-height: 1.6; color: var(--ink-soft); max-width: 46ch; text-wrap: pretty; }
.on-dark .lead { color: var(--paper-soft); }
.body { max-width: var(--measure); color: var(--ink-soft); text-wrap: pretty; }
.on-dark .body { color: var(--paper-soft); }
.body strong { color: var(--ink); font-weight: 700; }
.on-dark .body strong { color: var(--paper); }

/* ---- Espaço reservado editável (conteúdo ainda não fornecido) ---- */
.ph {
  background: color-mix(in srgb, var(--caramel) 16%, transparent);
  box-shadow: inset 0 -1px 0 var(--caramel);
  padding-inline: .2em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.on-dark .ph, .ph--dark {
  background: color-mix(in srgb, var(--caramel) 28%, transparent);
  box-shadow: inset 0 -1px 0 color-mix(in srgb, var(--caramel) 80%, var(--paper));
}

/* ---- Ícones (família única: traço 1.25, cantos arredondados) ---- */
.icon { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; }
.icon--lg { width: 28px; height: 28px; }

/* ---- Botões ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s0);
  min-height: 52px; padding: 0 var(--s3);
  font-family: var(--font-sans); font-size: var(--fs-small); font-weight: 500;
  letter-spacing: .04em; text-decoration: none; white-space: nowrap;
  border-radius: var(--radius);
  transition: background-color var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out), transform var(--dur-1) var(--ease-out);
}
.btn:active { transform: translateY(1px) scale(.985); }
.btn .icon { transition: transform var(--dur-2) var(--ease-out); }
.btn-solid { background: var(--terra); color: var(--paper); }
.btn-dark { background: var(--ink); color: var(--paper); }
.btn-light { background: var(--paper); color: var(--ink); }
.btn-outline { border: 1px solid currentColor; color: var(--ink); }
.btn-link {
  min-height: 44px; padding: 0; gap: var(--s0);
  border-bottom: 1px solid var(--line); border-radius: 0; color: var(--ink);
}
@media (hover: hover) {
  .btn-solid:hover { background: var(--terra-deep); }
  .btn-dark:hover { background: var(--olive); }
  .btn-light:hover { background: var(--terra); color: var(--paper); }
  .btn-outline:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  .btn-link:hover { border-color: var(--terra); color: var(--terra); }
  .btn:hover .icon { transform: translateX(4px); }
  .btn:not(.btn-link):hover { transform: translateY(-2px); }
  .btn:not(.btn-link):active { transform: translateY(0) scale(.985); }
}

/* ---- Cabeçalho ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-2) var(--ease-out);
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); min-height: var(--header-h); }
.brand { display: grid; gap: 2px; text-decoration: none; line-height: 1; }
.brand-name { display: block; font-family: var(--font-serif); font-size: 1.625rem; letter-spacing: -.01em; white-space: nowrap; }
.brand-name em { font-style: italic; }
.brand-role { display: block; font-size: .6875rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-soft); white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: var(--s4); }
.site-nav ul { display: flex; gap: var(--s3); }
.site-nav a:not(.btn) {
  display: inline-flex; align-items: center; min-height: 44px;
  font-size: var(--fs-small); text-decoration: none; color: var(--ink-soft);
  background-image: linear-gradient(var(--terra), var(--terra));
  background-size: 0 1px; background-repeat: no-repeat; background-position: 0 calc(100% - 10px);
  transition: background-size var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out);
}
@media (hover: hover) { .site-nav a:not(.btn):hover { color: var(--ink); background-size: 100% 1px; } }
.nav-toggle { display: none; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; }
.nav-toggle .icon { width: 26px; height: 26px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: var(--s3);
    padding: var(--s3) var(--gutter) var(--s4);
    background: var(--paper); border-bottom: 1px solid var(--line);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity var(--dur-1) var(--ease-in), transform var(--dur-1) var(--ease-in), visibility 0s linear var(--dur-1);
  }
  .site-nav.is-open {
    opacity: 1; visibility: visible; transform: none;
    transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-out), visibility 0s;
  }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav li + li { border-top: 1px solid var(--line); }
  .site-nav a:not(.btn) { display: flex; min-height: 56px; font-family: var(--font-serif); font-size: 1.5rem; color: var(--ink); background: none; }
}
@media (max-width: 479px) {
  .brand-name { font-size: 1.375rem; }
  .brand-role { font-size: .625rem; letter-spacing: .16em; }
}

/* ---- Faixas horizontais (galerias) ---- */
.rail-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--s3); flex-wrap: wrap; }
.rail-controls { display: flex; gap: var(--s0); }
.rail-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border: 1px solid currentColor; border-radius: 50%;
  transition: background-color var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out), opacity var(--dur-2);
}
.rail-btn[disabled] { opacity: .32; cursor: default; }
@media (hover: hover) {
  .rail-btn:not([disabled]):hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  .on-dark .rail-btn:not([disabled]):hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
}
.rail {
  --od-gap: var(--s2);
  --od-rail-pad: max(var(--gutter), calc((100vw - var(--container)) / 2));
  padding-block: var(--s1);
}

/* ---- Movimento: entradas no scroll (uma única vez) ---- */
.js .reveal {
  opacity: 0; transform: translate3d(0, var(--rise, 24px), 0);
  transition: opacity var(--dur-enter) var(--ease-enter), transform var(--dur-enter) var(--ease-enter);
  transition-delay: calc(var(--i, 0) * var(--stagger));
}
.js .reveal.is-in { opacity: 1; transform: none; }

/* títulos de destaque: revelação por linhas, itálico com leve atraso */
.js .reveal-lines .line {
  opacity: 0; transform: translate3d(0, .45em, 0);
  transition: opacity var(--dur-enter) var(--ease-enter), transform var(--dur-enter) var(--ease-enter);
  transition-delay: calc(var(--i, 0) * 140ms);
}
.js .reveal-lines .line em { display: inline-block; opacity: 0; transform: translate3d(0, .2em, 0); transition: inherit; transition-delay: calc(var(--i, 0) * 140ms + 160ms); }
.js .reveal-lines.is-in .line, .js .reveal-lines.is-in .line em { opacity: 1; transform: none; }

/* imagens e espaços reservados: máscara + fade */
.js .reveal-img {
  opacity: 0; clip-path: inset(10% 0 0 0); transform: translate3d(0, 16px, 0);
  transition: opacity var(--dur-img) var(--ease-enter), clip-path var(--dur-img) var(--ease-enter), transform var(--dur-img) var(--ease-enter);
  transition-delay: calc(var(--i, 0) * var(--stagger));
}
.js .reveal-img.is-in { opacity: 1; clip-path: inset(0 0 0 0); transform: none; }

/* celular: movimentos mais curtos */
@media (max-width: 767px) { :root { --rise: 14px; --stagger: 50ms; } }

/* ---- Barra de progresso de leitura ---- */
.read-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: 70; pointer-events: none; }
.read-progress span { display: block; height: 100%; background: var(--terra); transform: scaleX(0); transform-origin: 0 50%; will-change: transform; }

/* ---- Rodapé ---- */
.site-footer { background: var(--ink); color: var(--paper); padding-block: var(--s6) var(--s3); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s5); padding-bottom: var(--s5); border-bottom: 1px solid var(--line-light); }
.footer-brand .brand-name { font-size: clamp(2.25rem, 1.6rem + 2.4vw, 3.5rem); }
.footer-brand .brand-role { color: var(--paper-soft); margin-top: var(--s0); }
.footer-brand p { margin-top: var(--s3); max-width: 38ch; color: var(--paper-soft); font-size: var(--fs-small); }
.footer-col h3 { font-size: var(--fs-eyebrow); letter-spacing: .18em; text-transform: uppercase; color: var(--paper-soft); font-weight: 500; margin-bottom: var(--s2); }
.footer-col a { display: inline-flex; align-items: center; gap: var(--s1); min-height: 44px; text-decoration: none; color: var(--paper); }
@media (hover: hover) { .footer-col a:hover { color: var(--caramel); } }
.footer-bottom { display: flex; justify-content: space-between; gap: var(--s2); flex-wrap: wrap; padding-top: var(--s3); font-size: .8125rem; color: var(--paper-soft); }
@media (max-width: 767px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ---- Movimento reduzido ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; }
  .js .reveal, .js .reveal-img, .js .reveal-lines .line, .js .reveal-lines .line em { opacity: 1; transform: none; clip-path: none; }
  .read-progress { display: none; }
}