/* ============================================================
   GuiaPreparo — Sistema de design
   Estética: manual de preparo / boletim meteorológico
   Calma, organizada, confiável. Organização, não alarmismo.
   ============================================================ */

:root {
  /* Paleta */
  --ink:        #16211f;
  --ink-soft:   #3a4a46;
  --petrol:     #0e3b3c;
  --petrol-deep:#0a2b2c;
  --sage:       #6e8c7f;
  --sage-soft:  #aebfb6;
  --amber:      #cf8127;
  --amber-soft: #f0c27a;
  --amber-wash: #f7ecd9;
  --mist:       #eaefeb;
  --paper:      #f8faf7;
  --white:      #ffffff;
  --line:       #cdd8d0;
  --line-soft:  #dde5df;

  /* Tipografia */
  --display: "Bricolage Grotesque", "Arial Narrow", sans-serif;
  --body:    "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, "Courier New", monospace;

  /* Escala */
  --maxw: 1140px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 4px;
  --radius-lg: 10px;

  --shadow: 0 1px 2px rgba(14,59,60,.06), 0 8px 28px rgba(14,59,60,.07);
  --shadow-sm: 0 1px 3px rgba(14,59,60,.08);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--mist);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--petrol); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3,h4 { font-family: var(--display); font-weight: 800; line-height: 1.08; letter-spacing: -.02em; color: var(--ink); margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5.5vw, 3.9rem); }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.5rem); font-weight: 700; }
p { margin: 0 0 1.1em; }
strong { font-weight: 600; }

/* ---------- Estruturas utilitárias ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }
.section { padding-block: clamp(48px, 8vw, 96px); }
.section--tight { padding-block: clamp(36px, 5vw, 60px); }
.bg-paper { background: var(--paper); }
.bg-petrol { background: var(--petrol); color: #e6efe9; }
.bg-petrol h1,.bg-petrol h2,.bg-petrol h3 { color: var(--white); }
.bg-mist { background: var(--mist); }

/* Etiqueta mono — sistema de marcação do "manual" */
.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--sage);
  display: inline-flex;
  align-items: center;
  gap: .55em;
  margin: 0 0 1.1em;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--amber);
}
.bg-petrol .eyebrow { color: var(--amber-soft); }

.lead { font-size: clamp(1.05rem, 1.6vw, 1.28rem); color: var(--ink-soft); max-width: 60ch; }
.bg-petrol .lead { color: #c4d6cd; }
.measure { max-width: 68ch; }

/* ---------- Cabeçalho / navegação ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(234,239,235,.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 66px;
}
.brand { display: flex; align-items: center; gap: .6rem; font-family: var(--display); font-weight: 800; font-size: 1.12rem; letter-spacing: -.02em; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 30px; height: 30px; flex: 0 0 30px;
  border-radius: 6px;
  background: var(--petrol);
  position: relative;
  display: grid; place-items: center;
}
.brand-mark::after {
  content: ""; width: 13px; height: 13px;
  border: 2px solid var(--amber-soft); border-right-color: transparent; border-bottom-color: transparent;
  border-radius: 50%;
  transform: rotate(45deg);
}
.brand small { display:block; font-family: var(--mono); font-weight: 500; font-size: .58rem; letter-spacing: .18em; color: var(--sage); text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 1.35rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink-soft); font-size: .92rem; font-weight: 500; }
.nav-links a:hover { color: var(--petrol); text-decoration: none; }
.nav-cta {
  font-family: var(--body); font-size: .86rem !important; font-weight: 600 !important;
  background: var(--amber); color: var(--white) !important;
  padding: .5rem .9rem; border-radius: var(--radius);
}
.nav-cta:hover { background: #b86c19; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius); padding: .45rem .6rem; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 4px 0; }

@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: .5rem var(--gut) 1rem;
    max-height: 0; overflow: hidden; transition: max-height .25s ease;
  }
  .nav-links.open { max-height: 560px; }
  .nav-links li { border-top: 1px solid var(--line-soft); }
  .nav-links a { display: block; padding: .8rem 0; }
  .nav-cta { text-align: center; margin-top: .6rem; }
  .nav-links li:first-child { border-top: none; }
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--body); font-weight: 600; font-size: 1rem;
  padding: .85rem 1.5rem; border-radius: var(--radius);
  border: 1px solid transparent; cursor: pointer; transition: transform .12s ease, background .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--amber); color: var(--white); }
.btn-primary:hover { background: #b86c19; color: var(--white); }
.btn-ghost { background: transparent; color: var(--petrol); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--petrol); }
.bg-petrol .btn-ghost,
.hero .btn-ghost,
.cta-block .btn-ghost { color: #eef5f0; border-color: rgba(255,255,255,.38); }
.bg-petrol .btn-ghost:hover,
.hero .btn-ghost:hover,
.cta-block .btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.06); }
.btn-arrow::after { content: "→"; font-family: var(--mono); }

/* ---------- Boletim (elemento-assinatura) ---------- */
.boletim {
  font-family: var(--mono);
  background: var(--petrol-deep);
  color: #cfe0d8;
  border-radius: var(--radius);
  padding: .55rem 1rem;
  display: flex; flex-wrap: wrap; align-items: center; gap: .4rem 1.4rem;
  font-size: .78rem; letter-spacing: .02em;
  border: 1px solid rgba(255,255,255,.08);
}
.boletim .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); display: inline-block; margin-right: .5em; animation: pulse 2.4s infinite; vertical-align: middle; }
@keyframes pulse { 0%,100%{ opacity:1 } 50%{ opacity:.35 } }
.boletim b { color: var(--amber-soft); font-weight: 600; }
.boletim .sep { opacity: .35; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--petrol) 0%, var(--petrol-deep) 100%);
  color: #e6efe9; position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 82% 18%, rgba(207,129,39,.22), transparent 42%),
    repeating-linear-gradient(0deg, transparent, transparent 38px, rgba(255,255,255,.03) 38px, rgba(255,255,255,.03) 39px),
    repeating-linear-gradient(90deg, transparent, transparent 38px, rgba(255,255,255,.03) 38px, rgba(255,255,255,.03) 39px);
  pointer-events: none;
}
.hero .wrap { position: relative; padding-block: clamp(48px, 8vw, 96px); }
.hero h1 { color: var(--white); max-width: 16ch; }
.hero .lead { color: #c8d9d0; margin-top: 1rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero-meta { margin-top: 2.4rem; max-width: 640px; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 1.5rem; }
.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: 860px){ .grid-3,.grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card h3 { margin-bottom: .4rem; }
.card p { margin-bottom: 0; color: var(--ink-soft); font-size: .98rem; }
a.card:hover { text-decoration: none; transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--sage-soft); }
.card-tag { font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--amber); display:block; margin-bottom: .7rem; }
.card-icon { width: 38px; height: 38px; border-radius: 8px; background: var(--amber-wash); display: grid; place-items: center; margin-bottom: 1rem; color: var(--amber); font-weight: 800; font-family: var(--display); }

/* Card destacado por região */
.region {
  border-left: 3px solid var(--amber);
}
.region .card-tag { color: var(--sage); }

/* ---------- Listas de checagem / passos ---------- */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.steps li { position: relative; padding-left: 3.4rem; min-height: 2.2rem; }
.steps li::before {
  counter-increment: step; content: counter(step,decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  font-family: var(--mono); font-size: .82rem; font-weight: 600;
  color: var(--white); background: var(--petrol);
  width: 2.4rem; height: 2.4rem; border-radius: 8px;
  display: grid; place-items: center;
}
.steps li strong { display: block; font-family: var(--display); font-size: 1.08rem; margin-bottom: .15rem; }

.check { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.check li { position: relative; padding-left: 2rem; }
.check li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--sage); font-weight: 700;
  width: 1.3rem; height: 1.3rem; border-radius: 4px;
  background: rgba(110,140,127,.16); display: grid; place-items: center; font-size: .8rem;
}

/* ---------- Tabela de dados ---------- */
.datatable { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 1rem 0; }
.datatable caption { font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--sage); text-align: left; margin-bottom: .6rem; }
.datatable th, .datatable td { text-align: left; padding: .8rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.datatable th { font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--petrol); }
.datatable tr:last-child td { border-bottom: none; }
.datatable .num { font-family: var(--mono); color: var(--amber); font-weight: 600; }

/* ---------- Stat / números ---------- */
.stat-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
@media (max-width:640px){ .stat-row { grid-template-columns: 1fr; } }
.stat { border-top: 2px solid var(--amber); padding-top: 1rem; }
.stat .n { font-family: var(--display); font-size: clamp(2.2rem,5vw,3.2rem); font-weight: 800; line-height: 1; color: var(--petrol); }
.bg-petrol .stat .n { color: var(--white); }
.bg-petrol .stat { border-color: var(--amber-soft); }
.stat .k { font-family: var(--mono); font-size: .78rem; letter-spacing: .04em; color: var(--ink-soft); margin-top: .5rem; }
.bg-petrol .stat .k { color: #b6cabf; }

/* ---------- CTA bloco ---------- */
.cta-block {
  background: linear-gradient(150deg, var(--petrol) 0%, var(--petrol-deep) 100%);
  color: #e6efe9; border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.4rem); position: relative; overflow: hidden;
}
.cta-block::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(207,129,39,.3), transparent 70%);
}
.cta-block h2 { color: var(--white); max-width: 20ch; position: relative; }
.cta-block p { color: #c8d9d0; max-width: 56ch; position: relative; }
.cta-block .btn { position: relative; }
.cta-price { font-family: var(--mono); font-size: .8rem; color: var(--amber-soft); letter-spacing: .06em; margin-top: 1rem; }

/* ---------- Conteúdo de artigo ---------- */
.prose { max-width: 72ch; }
.prose h2 { margin-top: 2.4em; }
.prose h3 { margin-top: 1.8em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.prose li { margin-bottom: .5em; }
.prose blockquote {
  border-left: 3px solid var(--amber); margin: 1.6em 0; padding: .2em 0 .2em 1.3em;
  font-size: 1.1rem; color: var(--ink-soft); font-family: var(--display); font-weight: 600; letter-spacing: -.01em; line-height: 1.4;
}
.callout {
  background: var(--amber-wash); border: 1px solid var(--amber-soft);
  border-radius: var(--radius-lg); padding: 1.3rem 1.5rem; margin: 1.6em 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: #9c5e15; }
.note {
  background: var(--paper); border: 1px solid var(--line); border-left: 3px solid var(--sage);
  border-radius: var(--radius); padding: 1rem 1.3rem; margin: 1.6em 0; font-size: .95rem; color: var(--ink-soft);
}

/* ---------- Breadcrumb ---------- */
.crumb { font-family: var(--mono); font-size: .74rem; letter-spacing: .04em; color: var(--sage); padding-top: 1.4rem; }
.crumb a { color: var(--sage); }
.crumb span { opacity: .5; margin: 0 .4em; }

/* ---------- Página: cabeçalho de artigo ---------- */
.page-head { background: var(--petrol); color: #e6efe9; padding-block: clamp(36px,5vw,64px) clamp(36px,5vw,56px); position: relative; overflow:hidden; }
.page-head::before {
  content:""; position:absolute; inset:0;
  background: radial-gradient(circle at 90% 10%, rgba(207,129,39,.16), transparent 45%);
}
.page-head .wrap { position: relative; }
.page-head h1 { color: var(--white); max-width: 20ch; }
.page-head .lead { color: #c8d9d0; }

/* ---------- FAQ ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
.faq summary { font-family: var(--display); font-weight: 700; font-size: 1.12rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--amber); font-size: 1.5rem; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: .8rem; margin-bottom: 0; color: var(--ink-soft); }

/* ---------- Lista de referências ---------- */
.refs { list-style: none; padding: 0; margin: 0; counter-reset: ref; }
.refs li { counter-increment: ref; padding: 1rem 0 1rem 2.8rem; border-bottom: 1px solid var(--line); position: relative; font-size: .95rem; }
.refs li::before { content: "[" counter(ref) "]"; position: absolute; left: 0; top: 1rem; font-family: var(--mono); font-size: .82rem; color: var(--amber); }
.refs .src { font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; color: var(--sage); text-transform: uppercase; display: block; margin-top: .25rem; }

/* ---------- Rodapé ---------- */
.site-footer { background: var(--petrol-deep); color: #aac0b6; padding-block: clamp(40px,6vw,64px) 28px; font-size: .92rem; }
.site-footer h4 { color: var(--white); font-family: var(--mono); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 500; margin-bottom: 1rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
@media (max-width: 760px){ .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px){ .footer-grid { grid-template-columns: 1fr; } }
.site-footer a { color: #aac0b6; }
.site-footer a:hover { color: var(--amber-soft); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 2.5rem; padding-top: 1.4rem; display:flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .03em; color: #7d9a8f; }
.footer-brand p { color: #8fa89d; max-width: 36ch; margin-top: .8rem; }

/* ---------- Reveal animação ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Misc ---------- */
.hr { border: none; border-top: 1px solid var(--line); margin: 0; }
.pill { display:inline-block; font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; background: var(--amber-wash); color: #9c5e15; padding: .3rem .65rem; border-radius: 999px; }
.center { text-align: center; }
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--white); padding: .6rem 1rem; border-radius: var(--radius); z-index: 100; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }