/* ============================================================
   Ecosense — chrome compartilhado do site institucional.
   Consome os tokens e componentes de ecosense-design-system/project/styles.css.
   Regras da marca: teal (--action) SÓ em ação; nada mais na faixa ciano.
   Exo 2 (display) + Inter (corpo) + IBM Plex Mono (dado técnico).
   Superfícies chapadas, borda hairline, sombra só no hover. py-32 nas seções.
   ============================================================ */

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
[hidden] { display: none !important; }
.u-center { text-align: center; }
.u-narrow { max-width: 60ch; margin-inline: auto; }

/* ---- NAV (idêntica em toda página) ---- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: color-mix(in srgb, var(--surface-page) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav__in { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav__logo { height: 30px; width: auto; }
.nav__links { display: flex; align-items: center; gap: var(--space-6); }
.nav__link { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--text-secondary); }
.nav__link:hover { color: var(--text-body); text-decoration: none; }
.nav__link[aria-current="page"] { color: var(--action); }
.nav__cta { margin-left: var(--space-2); }
.nav__burger { display: none; background: none; border: 0; cursor: pointer; color: var(--text-body); padding: var(--space-2); }
@media (max-width: 860px) {
  .nav__links { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--surface-page); border-bottom: 1px solid var(--border-default);
    padding: var(--space-2) var(--space-6) var(--space-6); box-shadow: var(--shadow-sm); }
  .nav__links[hidden] { display: none; }
  /* menu fechado por padrão no mobile: a burger controla via aria-expanded,
     então o primeiro toque já abre (sem depender do atributo hidden inicial). */
  .nav__burger[aria-expanded="false"] + .nav__links { display: none; }
  .nav__link { padding: var(--space-4) 0; border-bottom: 1px solid var(--border-subtle); }
  .nav__cta { margin: var(--space-4) 0 0; }
  .nav__burger { display: inline-flex; }
}
.nav-spacer { height: 68px; }

/* ---- HERO padrão ---- */
.hero { position: relative; padding-block: var(--space-16) var(--space-12); overflow: hidden; }
.hero--tall { padding-block: var(--space-20) var(--space-16); }
.hero__bg { position: absolute; inset: 0; z-index: 0; background-position: center; background-size: cover; opacity: .06; }
.hero__in { position: relative; z-index: 1; }
.hero h1 { max-width: 18ch; margin-block: var(--space-3) var(--space-5); }
.hero__lead { max-width: 56ch; font-size: var(--text-md); color: var(--text-secondary); }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }

/* ---- HERO FOTOGRÁFICO (imagem cheia + texto claro sobre área escura) ---- */
.hero--photo { padding: 0; min-height: min(78vh, 640px); display: flex; align-items: center; }
.hero--photo .hero__photo { position: absolute; inset: 0; z-index: 0; background-position: center right; background-size: cover; }
/* scrim que garante contraste do texto mesmo se a imagem recortar no mobile */
.hero--photo .hero__scrim { position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, var(--eco-ink) 0%, rgba(23,47,54,.82) 34%, rgba(23,47,54,.35) 60%, rgba(23,47,54,0) 82%); }
.hero--photo .hero__in { position: relative; z-index: 2; padding-block: var(--space-16); }
.hero--photo .eco-eyebrow { color: var(--eco-teal-300); }
.hero--photo h1 { color: var(--eco-off-white); max-width: 15ch; }
.hero--photo .hero__lead { color: var(--eco-neutral-200); }
@media (max-width: 720px) {
  .hero--photo { min-height: 560px; }
  .hero--photo .hero__scrim { background: linear-gradient(180deg, rgba(23,47,54,.62) 0%, rgba(23,47,54,.78) 60%, var(--eco-ink) 100%); }
  .hero--photo h1 { max-width: 100%; }
}

/* ---- HERO DIVIDIDO — texto à esquerda, foto à direita ---- */
/* Preenche o vazio da metade direita sem virar full-bleed como a home: as
   páginas internas mantêm o fundo claro, a foto é um card (mesmo tratamento
   de .area). No mobile a grade colapsa e a foto vira uma faixa abaixo do texto. */
.hero--split .hero__in { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--space-12); align-items: center; }
/* min-width:0 é obrigatório: item de grade tem min-width:auto e, sem isto, a
   coluna estica até a palavra mais longa do h1 ("responsabilidade") em vez de
   deixar o texto quebrar — o headline vazava e era cortado pelo overflow do hero. */
.hero--split .hero__col, .hero--split .hero__media { min-width: 0; }
.hero--split .hero__col h1 { max-width: 15ch; }
.hero--split .hero__media { position: relative; border-radius: var(--radius-card); overflow: hidden;
  aspect-ratio: 4 / 3; border: 1px solid var(--border-default); box-shadow: var(--shadow-sm); }
.hero--split .hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 860px) {
  .hero--split .hero__in { grid-template-columns: 1fr; gap: var(--space-8); }
  .hero--split .hero__col h1 { max-width: 18ch; }
  .hero--split .hero__media { aspect-ratio: 16 / 10; }
}

/* ---- seção: cabeçalho ---- */
.sec-head { max-width: 60ch; margin-bottom: var(--space-10); }
.sec-head--center { margin-inline: auto; text-align: center; }
.sec-head h2 { margin-block: var(--space-2) var(--space-3); }
.sec-head p { color: var(--text-secondary); font-size: var(--text-md); }
.surface-alt { background: var(--surface-alt); }

/* ---- grid utilitário ---- */
.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---- card de área (foto + rótulo). Foto vira P&B; cor no hover (desktop). ---- */
.area { position: relative; border-radius: var(--radius-card); overflow: hidden; min-height: 320px;
  display: flex; align-items: flex-end; border: 1px solid var(--border-default); }
.area img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(100%); transition: filter var(--duration-hover) var(--ease-out), transform var(--duration-hover) var(--ease-out); }
.area::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(47,52,48,.72) 0%, rgba(47,52,48,.15) 55%, transparent 100%); }
.area:hover img { filter: grayscale(0); transform: scale(1.03); }
.area__cap { position: relative; z-index: 1; padding: var(--space-6); color: var(--eco-off-white); }
.area__cap h3 { color: var(--eco-off-white); font-size: var(--text-lg); margin: 0 0 var(--space-1); }
.area__cap p { color: rgba(249,249,246,.82); font-size: var(--text-sm); margin: 0; }

/* ---- item de serviço (ícone + texto) ---- */
.svc { display: flex; gap: var(--space-4); }
.svc__ic { flex: none; width: 44px; height: 44px; border-radius: var(--radius-md);
  display: grid; place-items: center; background: var(--action-tint); color: var(--action); }
.svc__ic svg { width: 22px; height: 22px; }
.svc h3 { font-size: var(--text-md); margin: 0 0 var(--space-1); }
.svc p { font-size: var(--text-sm); color: var(--text-secondary); margin: 0; }

/* ---- ferramenta (card de destaque para Radar / Quiz) ---- */
.tool { display: grid; grid-template-columns: auto 1fr auto; gap: var(--space-5); align-items: center; }
@media (max-width: 720px) { .tool { grid-template-columns: 1fr; gap: var(--space-4); } }
.tool__badge { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: .08em;
  text-transform: uppercase; color: var(--action); }
.tool h3 { font-size: var(--text-xl); margin: var(--space-1) 0; }
.tool p { color: var(--text-secondary); font-size: var(--text-sm); margin: 0; max-width: 52ch; }

/* ---- banda escura ---- */
.dark { position: relative; background: var(--surface-inverse); color: var(--text-inverse); overflow: hidden; }
.dark__bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .5; }
.dark__in { position: relative; z-index: 1; }
.dark h2, .dark h3 { color: var(--text-inverse); }
.dark .eco-eyebrow { color: var(--eco-teal-300); }
.dark p { color: var(--eco-neutral-300); }

/* ---- footer ---- */
.foot { background: var(--surface-inverse); color: var(--text-inverse); padding-block: var(--space-16) var(--space-8); }
.foot__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: var(--space-8); }
@media (max-width: 720px) { .foot__grid { grid-template-columns: 1fr; gap: var(--space-8); } }
.foot__logo { height: 30px; margin-bottom: var(--space-4); }
.foot p, .foot a, .foot li { color: var(--eco-neutral-300); font-size: var(--text-sm); }
.foot a:hover { color: var(--eco-off-white); }
.foot h4 { color: var(--eco-off-white); font-size: var(--text-sm); text-transform: uppercase;
  letter-spacing: var(--tracking-wide); margin: 0 0 var(--space-4); }
.foot ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.foot__base { margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid var(--border-inverse);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); }
.foot__base small { color: var(--eco-neutral-400); font-size: var(--text-xs); }

/* ---- reveal orquestrado no load (respeitando reduced-motion) ---- */
.load > * { animation: eco-fade-in-up var(--duration-enter) var(--ease-out) both; }
.load > *:nth-child(2) { animation-delay: .06s; }
.load > *:nth-child(3) { animation-delay: .12s; }
.load > *:nth-child(4) { animation-delay: .18s; }
.load > *:nth-child(5) { animation-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .load > *, .reveal { animation: none !important; }
  .area img { transition: none !important; }
}

/* ============================================================
   ARTIGOS — seção de conteúdo (blog/guias) e o hub artigos.html.
   Herda os tokens da marca; teal (--action) só em link/CTA/eyebrow.
   Uma coluna de leitura confortável (~68ch) para os 3 artigos-pilar,
   e cards para o hub. Prefixos .artigo/.prose/.faq/.cta-callout/
   .leia-tambem/.pilar/.artigo-card para não colidir com o chrome.
   ============================================================ */

/* ---- cabeçalho do artigo (hero de texto, sem foto) ---- */
.artigo-hero { padding-block: var(--space-12) var(--space-8); }
.artigo-hero .eco-container { max-width: 74ch; }
.artigo-hero h1 { max-width: 22ch; margin-block: var(--space-3) var(--space-4); }
/* meta: autoria genérica + data. SLOT: o dono preenche nome/registro do RT. */
.artigo-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3);
  font-size: var(--text-sm); color: var(--text-secondary); }
.artigo-meta__sep { color: var(--border-strong); }
.artigo-meta time { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ---- coluna de leitura (prose) ---- */
/* a medida de linha (~68ch) é o que torna o texto legível; centrada na página */
.prose { max-width: 68ch; margin-inline: auto; }
.prose > * + * { margin-top: var(--space-5); }
.prose p { font-size: var(--text-md); line-height: 1.75; color: var(--text-body); }
.prose h2 { font-family: var(--font-display); font-size: var(--text-2xl); line-height: 1.2;
  margin-top: var(--space-10); margin-bottom: var(--space-1); }
.prose h3 { font-size: var(--text-lg); margin-top: var(--space-8); margin-bottom: var(--space-1); }
.prose ul, .prose ol { padding-left: var(--space-6); }
.prose li { font-size: var(--text-md); line-height: 1.7; color: var(--text-body); margin-top: var(--space-2); }
.prose li::marker { color: var(--action); }
.prose a { color: var(--text-link); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: var(--text-link-hover); }
.prose strong { font-weight: var(--weight-semibold); color: var(--text-body); }

/* ---- FAQ (perguntas destacadas + schema FAQPage no JSON-LD) ---- */
.faq { margin-top: var(--space-6); border-top: 1px solid var(--border-subtle); }
.faq__item { padding-block: var(--space-5); border-bottom: 1px solid var(--border-subtle); }
.faq__q { font-family: var(--font-display); font-size: var(--text-md); font-weight: var(--weight-semibold);
  color: var(--text-body); margin: 0 0 var(--space-2); }
.faq__a { font-size: var(--text-md); line-height: 1.7; color: var(--text-secondary); margin: 0; }

/* ---- callout de CTA (fundo teal suave, 1 por artigo) ---- */
.cta-callout { margin-top: var(--space-10); padding: var(--space-8);
  background: var(--action-tint); border: 1px solid var(--action-tint-border);
  border-radius: var(--radius-card); }
.cta-callout h2 { font-family: var(--font-display); font-size: var(--text-xl); margin: 0 0 var(--space-2); }
.cta-callout p { font-size: var(--text-md); line-height: 1.65; color: var(--text-body); margin: 0 0 var(--space-5); max-width: 60ch; }

/* ---- disclaimer discreto ao fim do corpo ---- */
.artigo-disclaimer { margin-top: var(--space-8); font-size: var(--text-sm);
  color: var(--text-muted); font-style: italic; }

/* ---- "Leia também": cards para os outros artigos-pilar ---- */
.leia-tambem { margin-top: var(--space-6); }
.leia-tambem > h2 { font-family: var(--font-display); font-size: var(--text-xl); margin-bottom: var(--space-5); }
.leia-tambem__grid { display: grid; gap: var(--space-5); grid-template-columns: repeat(2, 1fr); }
@media (max-width: 620px) { .leia-tambem__grid { grid-template-columns: 1fr; } }

/* ---- card de artigo (hub e "leia também") ---- */
.artigo-card { display: flex; flex-direction: column; height: 100%; padding: var(--space-6);
  background: var(--surface-card); border: 1px solid var(--border-default);
  border-radius: var(--radius-card); transition: box-shadow var(--duration-hover) var(--ease-out),
  border-color var(--duration-hover) var(--ease-out); }
.artigo-card:hover { box-shadow: var(--shadow-hover); border-color: var(--action-tint-border); text-decoration: none; }
.artigo-card__tag { font-family: var(--font-mono); font-size: var(--text-2xs); letter-spacing: .08em;
  text-transform: uppercase; color: var(--action); }
.artigo-card h3 { font-size: var(--text-lg); margin: var(--space-2) 0 var(--space-2); color: var(--text-body); }
.artigo-card p { font-size: var(--text-sm); line-height: 1.6; color: var(--text-secondary); margin: 0; }
.artigo-card__more { margin-top: var(--space-4); font-size: var(--text-sm);
  font-weight: var(--weight-medium); color: var(--action); }

/* ---- pilar no hub (título do cluster + o que cobre) ---- */
.pilar { margin-bottom: var(--space-10); }
.pilar:last-child { margin-bottom: 0; }
.pilar__head { max-width: 62ch; margin-bottom: var(--space-5); }
.pilar__head h2 { font-size: var(--text-xl); margin: 0 0 var(--space-1); }
.pilar__head p { color: var(--text-secondary); font-size: var(--text-md); margin: 0; }
/* chips "em breve": temas planejados que ainda não são link (sem link morto) */
.em-breve { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.em-breve__chip { display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-1-5) var(--space-3); border: 1px dashed var(--border-default);
  border-radius: var(--radius-chip); font-size: var(--text-sm); color: var(--text-muted); }
.em-breve__chip::before { content: "Em breve"; font-family: var(--font-mono);
  font-size: var(--text-2xs); letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-disabled); }