/* Infinity — Areia 60% · Azul Petróleo 30% · Terracota 10% · Sálvia (contraste) */
:root {
  --areia: #F9F8F6; --areia-2: #EAE6DD; --tracos: #DDD8CF;
  --petroleo: #1A365D; --petroleo-escuro: #12294a;
  --texto-2: #334155; --texto-3: #64748B;
  --terracota: #D97757; --terracota-texto: #A84B28; --terracota-claro: #D9B9A8;
  --salvia: #5A7E68; --salvia-texto: #466A55; --claro-2: #CBD5E1; --claro-3: #8FA3BE;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius: 18px; --max: 1120px; --read: 720px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--areia); color: var(--texto-2); font-family: var(--sans); font-size: 18px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { color: var(--petroleo); text-underline-offset: 3px; }
a:hover { color: var(--terracota); }
:focus-visible { outline: 3px solid var(--terracota); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--petroleo); color: var(--areia); padding: 10px 16px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
[hidden] { display: none !important; }

h1, h2, h3 { font-family: var(--serif); color: var(--petroleo); font-weight: 400; line-height: 1.08; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.8rem, 7vw, 5.4rem); }
h2 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); }
h3 { font-size: 1.65rem; }
p { margin: 0 0 1.1em; }
.eyebrow { font-weight: 700; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--terracota-texto); margin-bottom: 1.1rem; display: block; }
.dark .eyebrow { color: var(--terracota-claro); }
.wrap { width: min(100% - 40px, var(--max)); margin-inline: auto; }
.read { max-width: var(--read); }
section { padding: clamp(68px, 9vw, 120px) 0; }
.lead { font-size: 1.28rem; color: var(--texto-2); max-width: 50ch; }
.dark .lead { color: var(--claro-2); }
.pull { font-family: var(--serif); font-size: clamp(1.7rem, 3.2vw, 2.4rem); line-height: 1.2; color: var(--petroleo); border-left: 4px solid var(--terracota); padding-left: 1.2rem; margin: 2rem 0; max-width: 28ch; }
.dark .pull { color: var(--areia); }
.small { font-size: .95rem; color: var(--texto-3); }

/* Botões */
.btn { display: inline-flex; align-items: center; gap: .6em; padding: 15px 28px; border-radius: 999px; font: 700 1rem var(--sans); text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .15s, background .2s, color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--petroleo); color: var(--areia); }
.btn-primary:hover { background: var(--petroleo-escuro); color: var(--areia); }
.btn-ghost { border-color: var(--petroleo); color: var(--petroleo); background: transparent; }
.btn-ghost:hover { background: var(--petroleo); color: var(--areia); }
.btn-light { background: var(--areia); color: var(--petroleo); }
.btn-light:hover { background: var(--terracota-claro); color: var(--petroleo); }
.btn-small { padding: 10px 20px; font-size: .92rem; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2rem; }
.link-arrow { font-weight: 700; text-decoration: none; display: inline-block; margin-top: 1rem; }
.link-arrow::after { content: " →"; }

/* Cabeçalho */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(249,248,246,.93); backdrop-filter: blur(10px); border-bottom: 1px solid var(--tracos); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 46px; height: auto; }
.brand span { font-family: var(--serif); font-size: 1.9rem; color: var(--petroleo); line-height: 1; }
.menu { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.menu a { text-decoration: none; font-weight: 600; font-size: .93rem; color: var(--petroleo); }
.menu a:hover, .menu a[aria-current="page"] { color: var(--terracota); }
.menu .btn { color: var(--areia); }
.menu .btn:hover { color: var(--areia); }
.burger { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px; }
.burger span, .burger span::before, .burger span::after { display: block; height: 2px; background: var(--petroleo); width: 24px; position: relative; content: ""; }
.burger span::before { position: absolute; top: -8px; }
.burger span::after { position: absolute; top: 8px; }

/* Hero */
.hero { padding: clamp(64px, 10vw, 140px) 0 clamp(72px, 9vw, 120px); position: relative; overflow: hidden; }
.hero h1 { max-width: 17ch; margin-bottom: .6em; }
.hero .lead { max-width: 52ch; }
.hero .passage { font-family: var(--serif); font-size: clamp(1.4rem, 2.4vw, 1.9rem); color: var(--petroleo); max-width: 30ch; margin: 2.2rem 0 0; line-height: 1.25; }
.hero .passage::before { content: ""; display: block; width: 56px; height: 3px; background: var(--terracota); margin-bottom: 1.2rem; }
.hero .micro { margin-top: 1.4rem; color: var(--texto-3); font-size: .95rem; max-width: 52ch; }
.hero-lines { position: absolute; right: -80px; top: 50%; width: min(60vw, 720px); transform: translateY(-50%); opacity: .5; pointer-events: none; }

/* Revelar com nitidez (do difuso ao claro) */
html.js .reveal { opacity: 0; filter: blur(10px); transform: translateY(14px); transition: opacity .9s ease, filter .9s ease, transform .9s ease; }
html.js .reveal.in { opacity: 1; filter: none; transform: none; }
html.js .focus { display: inline; animation: focusIn 1.6s .3s ease both; }
@keyframes focusIn { from { filter: blur(10px); opacity: .25; } to { filter: none; opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; filter: none; transform: none; transition: none; }
  html.js .focus { animation: none; }
  * { scroll-behavior: auto !important; }
}

/* Blocos */
.alt { background: var(--areia-2); }
.dark { background: var(--petroleo); color: var(--claro-2); }
.dark h2, .dark h3 { color: var(--areia); }
.dark a:not(.btn) { color: var(--terracota-claro); }
.section-head { max-width: 760px; margin-bottom: 3rem; }

/* Sinais */
.signs { list-style: none; padding: 0; margin: 0 0 2.5rem; }
.signs li { font-family: var(--serif); font-size: clamp(1.7rem, 3.6vw, 2.7rem); line-height: 1.15; color: var(--petroleo); padding: 1.1rem 0; border-top: 1px solid var(--tracos); max-width: 26ch; }
.signs li:nth-child(even) { margin-left: auto; text-align: right; }
.signs li:last-child { border-bottom: 1px solid var(--tracos); }

/* Fluxo NR-1 */
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 2rem 0; list-style: none; padding: 0; }
.flow li { background: var(--petroleo); color: var(--areia); padding: 12px 22px; border-radius: 999px; font-weight: 700; }
.flow li:not(:last-child)::after { content: "→"; color: var(--terracota-claro); margin-left: 14px; }
.note { background: var(--areia-2); border-radius: 14px; padding: 18px 22px; font-size: .95rem; color: var(--texto-2); }
.alt .note { background: var(--areia); }

/* Autoidentificação */
.autoid { max-width: 820px; }
.autoid-item { border-top: 1px solid var(--tracos); }
.autoid-item:last-child { border-bottom: 1px solid var(--tracos); }
.autoid-btn { width: 100%; text-align: left; background: none; border: 0; cursor: pointer; padding: 22px 4px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font: 600 1.15rem var(--sans); color: var(--petroleo); }
.autoid-btn::after { content: "+"; font-size: 1.7rem; line-height: 1; color: var(--terracota); transition: transform .2s; }
.autoid-btn[aria-expanded="true"]::after { content: "–"; }
.autoid-btn:hover { color: var(--terracota); }
.autoid-panel { padding: 0 4px 26px; }
.autoid-panel p { max-width: 56ch; }

/* Método (resumo) e caminhos */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--tracos); border-radius: var(--radius); padding: 30px; }
.alt .card { background: var(--areia); }
.dark .card { background: rgba(255,255,255,.05); border-color: rgba(203,213,225,.2); }
.card h3 { margin-bottom: .4em; }
.card .num { font-family: var(--serif); font-size: 2.3rem; color: var(--terracota); line-height: 1; display: block; margin-bottom: .9rem; }
.card p:last-child { margin-bottom: 0; }
.path .tag { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--salvia-texto); margin-bottom: .6rem; }
.path .way { margin-top: 1rem; font-size: .95rem; color: var(--texto-3); }
.path .way strong { color: var(--petroleo); }

/* Entregas */
.checks { list-style: none; padding: 0; margin: 0 0 2rem; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 40px; }
.checks li { padding-left: 34px; position: relative; }
.checks li::before { content: ""; position: absolute; left: 0; top: .45em; width: 18px; height: 10px; border-left: 3px solid var(--salvia); border-bottom: 3px solid var(--salvia); transform: rotate(-45deg); }

/* Pessoas */
.people { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.person { background: #fff; border: 1px solid var(--tracos); border-radius: var(--radius); padding: 32px; }
.alt .person { background: var(--areia); }
.duo { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 40px; align-items: start; }
.duo-photo { margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--areia-2); position: sticky; top: 96px; }
.duo-photo img { width: 100%; height: auto; display: block; }
.duo-bios { display: grid; gap: 20px; }
.person h3 { margin-bottom: .1em; }
.person .role { color: var(--salvia-texto); font-weight: 700; font-size: .92rem; margin-bottom: 1rem; }

/* Porque / posts / FAQ */
.why { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; }
.why li { padding: 22px 0; border-top: 1px solid var(--tracos); display: grid; grid-template-columns: 240px 1fr; gap: 24px; }
.why li:last-child { border-bottom: 1px solid var(--tracos); }
.why strong { font-family: var(--serif); font-weight: 400; font-size: 1.5rem; color: var(--petroleo); line-height: 1.15; }
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.post-card { display: flex; flex-direction: column; text-decoration: none; background: #fff; border: 1px solid var(--tracos); border-radius: var(--radius); padding: 28px; transition: transform .2s, border-color .2s; color: var(--texto-2); }
.alt .post-card { background: var(--areia); }
.post-card:hover { transform: translateY(-4px); border-color: var(--terracota); color: var(--texto-2); }
.post-card h3 { color: var(--petroleo); }
.post-card .meta { font-size: .85rem; color: var(--texto-3); margin-top: auto; padding-top: 1rem; }
details { background: #fff; border: 1px solid var(--tracos); border-radius: 14px; padding: 4px 24px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 700; color: var(--petroleo); padding: 18px 0; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--terracota); }
details[open] summary::after { content: "–"; }
details p { padding-bottom: 8px; }

.cta-final { text-align: center; }
.cta-final h2 { max-width: 20ch; margin-inline: auto; }
.cta-final .lead { margin-inline: auto; }
.cta-final .actions { justify-content: center; }

/* Páginas internas */
.page-head { padding: clamp(56px, 8vw, 104px) 0 24px; }
.page-head h1 { font-size: clamp(2.5rem, 5.6vw, 4.2rem); max-width: 18ch; }
.situation { padding: 44px 0; border-top: 1px solid var(--tracos); display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; }
.situation:last-of-type { border-bottom: 1px solid var(--tracos); }
.situation h2 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); }
.situation dl { margin: 0; display: grid; gap: 18px; }
.situation dt { font-weight: 700; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--terracota); }
.situation dd { margin: 2px 0 0; }
.stage { display: grid; grid-template-columns: 90px 1fr; gap: 24px; padding: 36px 0; border-top: 1px solid var(--tracos); }
.stage .n { font-family: var(--serif); font-size: 4rem; color: var(--terracota); line-height: 1; }
.stage h2 { font-size: 2.2rem; margin-bottom: .3em; }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
ul.plain { padding-left: 1.2em; margin: .4em 0 0; }
ul.plain li { margin-bottom: .5em; }

/* Formulário de contato */
.form { display: grid; gap: 20px; max-width: 640px; }
.field label { display: block; font-weight: 700; color: var(--petroleo); margin-bottom: 6px; font-size: .95rem; }
.field input, .field select, .field textarea { width: 100%; font: 400 1rem var(--sans); color: var(--texto-2); padding: 14px 16px; border: 1.5px solid var(--tracos); border-radius: 12px; background: #fff; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid var(--terracota); outline-offset: 1px; border-color: var(--terracota); }
.field textarea { min-height: 120px; resize: vertical; }

/* Artigos */
.article { max-width: var(--read); margin-inline: auto; padding-bottom: 72px; }
.article h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); max-width: none; }
.article h2 { font-size: 2rem; margin-top: 1.8em; }
.article .meta { color: var(--texto-3); font-size: .92rem; margin-bottom: 2rem; }
.article ul, .article ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.article li { margin-bottom: .5em; }
.article blockquote { border-left: 4px solid var(--terracota); margin: 1.6em 0; padding: .2em 0 .2em 1.4em; font-family: var(--serif); font-size: 1.6rem; line-height: 1.25; color: var(--petroleo); }
.back { display: inline-block; margin-bottom: 1.4rem; font-weight: 600; font-size: .95rem; text-decoration: none; }
.article-cta { margin-top: 3rem; background: var(--petroleo); color: var(--claro-2); border-radius: var(--radius); padding: 36px; }
.article-cta h2 { color: var(--areia); margin-top: 0; font-size: 1.9rem; }

/* Rodapé */
.site-footer { background: var(--petroleo-escuro); color: var(--claro-3); padding: 56px 0 32px; font-size: .95rem; }
.site-footer a { color: var(--claro-2); text-decoration: none; }
.site-footer a:hover { color: var(--terracota-claro); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(203,213,225,.18); }
.foot-grid img { width: 56px; margin-bottom: 12px; }
.foot-grid h4 { font-family: var(--sans); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--areia); margin: 0 0 14px; }
.foot-grid ul { list-style: none; padding: 0; margin: 0; }
.foot-grid li { margin-bottom: 8px; }
.legal { padding-top: 24px; font-size: .85rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

@media (max-width: 900px) {
  .grid-2, .grid-4, .people, .foot-grid, .cols-2, .checks, .duo { grid-template-columns: 1fr; }
  .duo-photo { position: static; max-width: 420px; }
  .situation { grid-template-columns: 1fr; gap: 20px; }
  .why li { grid-template-columns: 1fr; gap: 6px; }
  .stage { grid-template-columns: 1fr; gap: 6px; }
  .signs li:nth-child(even) { margin-left: 0; text-align: left; }
  .hero-lines { display: none; }
  body { font-size: 17px; }
}
.menu a { white-space: nowrap; }
@media (max-width: 1100px) {
  .burger { display: block; }
  .menu { position: absolute; left: 0; right: 0; top: 72px; background: var(--areia); flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 20px 20px; border-bottom: 1px solid var(--tracos); display: none; }
  .menu.open { display: flex; }
  .menu li { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--tracos); }
  .menu li:last-child { border: 0; padding-top: 18px; }
}