/* ============================================================
   INTEGRASIS — Design System Base (Playbook)
   "Luxo sistémico": disciplina de motion + linguagem calma/editorial.
   Importe este arquivo em TODA página do site (qualquer subpasta).
   Nunca crie tokens avulsos fora daqui — ver design/DESIGN.md.
   ============================================================ */

/* --- 1. TOKENS (fonte única — espelha design/DESIGN.md) --- */
:root{
  /* Cores */
  --marrom:#2E3B2E;
  --salvia:#7A8B6F;
  --salvia-deep:#4A5940;
  --terracota:#C67B5C;
  --terracota-deep:#8F472B; /* Contraste reforçado para WCAG AA/AAA */
  --creme:#F5F0E8;
  --creme-deep:#E9E2D5;
  --ink:#2C2C2A;
  --ink-muted:#50504C; /* Contraste reforçado (> 5.5:1 no creme-deep) */
  --surface:#FFFFFF;
  --focus:oklch(0.55 0.08 240);

  /* Tipografia (famílias) */
  --font-display:'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body:'Lora', Georgia, 'Times New Roman', serif; /* corpo = serif literário (consenso frota) */
  --font-ui:'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  /* Raio */
  --r-sm:6px; --r-md:10px; --r-lg:16px; --r-pill:999px;

  /* Espaçamento */
  --sp-xs:4px; --sp-sm:8px; --sp-md:16px; --sp-lg:24px;
  --sp-xl:40px; --sp-xxl:64px; --sp-section:96px;

  /* Contêiner e layout */
  --container:1140px;
  --pad-x:24px;

  /* Movimento (posture) */
  --ease-out:cubic-bezier(0.22,1,0.36,1);
  --dur-fast:300ms; --dur-base:500ms; --dur-slow:800ms;

  /* Sombras (raras e suaves) */
  --shadow-card:0 8px 30px rgba(46,59,46,0.08);
}

/* --- 2. RESET & BASE --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--creme);
  line-height:1.65;
  font-size:1.125rem; /* corpo 18px — conforto leitura longa (consenso frota) */
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%}
a{color:var(--terracota-deep);text-decoration:none;transition:opacity .25s var(--ease-out)}
a:hover{opacity:.82}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

/* --- 3. TIPOGRAFIA (hierarquia) --- */
h1,.h1{font-family:var(--font-display);font-size:3rem;font-weight:600;line-height:1.05;letter-spacing:-.015em;color:var(--marrom);text-wrap:balance}
h2,.h2{font-family:var(--font-display);font-size:2.25rem;font-weight:600;line-height:1.1;letter-spacing:-.01em;color:var(--marrom);text-wrap:balance}
h3,.h3{font-family:var(--font-display);font-size:1.6rem;font-weight:600;line-height:1.15;color:var(--marrom);text-wrap:balance}
.eyebrow{
  font-family:var(--font-ui);font-size:.8rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:var(--terracota-deep);
  margin-bottom:12px;
}
.body-lg{font-family:var(--font-body);font-size:1.25rem;line-height:1.65;font-weight:400}
.caption{font-family:var(--font-ui);font-size:.85rem;color:var(--ink-muted);letter-spacing:.01em}

/* --- 4. LAYOUT --- */
.container{max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}
.section{padding:var(--sp-section) var(--pad-x)}
.section-alt{background:var(--surface)}
.grid{display:grid;gap:var(--sp-lg)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* --- 5. COMPONENTES --- */
/* Botões */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--font-ui);font-size:.95rem;font-weight:600;letter-spacing:.02em;
  padding:12px 26px;border-radius:var(--r-pill);line-height:1;
  transition:background-color var(--dur-fast) var(--ease-out),
             color var(--dur-fast) var(--ease-out),
             transform var(--dur-fast) var(--ease-out),
             box-shadow var(--dur-fast) var(--ease-out);
  min-height:44px;text-decoration:none;
  cursor:pointer;border:none;
}
.btn-primary{
  background:var(--terracota);
  color:#FFFFFF !important;
  box-shadow:0 2px 8px rgba(198,123,92,0.25);
}
.btn-primary:hover{
  background:var(--terracota-deep);
  color:#FFFFFF !important;
  transform:translateY(-1px);
  box-shadow:0 4px 12px rgba(143,71,43,0.3);
  opacity:1 !important;
}
.btn-secondary{
  background:transparent;
  color:var(--marrom);
  box-shadow:inset 0 0 0 1.5px var(--marrom);
}
.btn-secondary:hover{
  background:var(--creme-deep);
  color:var(--marrom);
  transform:translateY(-1px);
  box-shadow:inset 0 0 0 1.5px var(--marrom);
  opacity:1 !important;
}
.btn-terracota{
  background:var(--terracota);
  color:#FFFFFF !important;
}
.btn-terracota:hover{
  background:var(--terracota-deep);
  color:#FFFFFF !important;
  transform:translateY(-1px);
  opacity:1 !important;
}

/* Botões Secundários em Fundos Escuros (Hero, CTA Dark, etc.) */
.hero .btn-secondary,
.cta-final .btn-secondary,
.dark-bg .btn-secondary,
.btn-secondary-light{
  background:rgba(245,240,232,0.12) !important;
  color:var(--creme) !important;
  box-shadow:inset 0 0 0 1.5px var(--creme) !important;
}
.hero .btn-secondary:hover,
.cta-final .btn-secondary:hover,
.dark-bg .btn-secondary:hover,
.btn-secondary-light:hover{
  background:var(--creme) !important;
  color:var(--marrom) !important;
  box-shadow:0 4px 14px rgba(0,0,0,0.35) !important;
  transform:translateY(-1px);
  opacity:1 !important;
}

/* Variantes de Contorno com Contraste Perfeito */
.btn-outline-salvia{
  background:transparent;
  color:var(--salvia-deep) !important;
  box-shadow:inset 0 0 0 1.5px var(--salvia-deep);
}
.btn-outline-salvia:hover{
  background:var(--salvia-deep) !important;
  color:#FFFFFF !important;
  transform:translateY(-1px);
  box-shadow:0 4px 12px rgba(46,59,46,0.25);
  opacity:1 !important;
}
.btn-outline-terracota{
  background:transparent;
  color:var(--terracota-deep) !important;
  box-shadow:inset 0 0 0 1.5px var(--terracota);
}
.btn-outline-terracota:hover{
  background:var(--terracota) !important;
  color:#FFFFFF !important;
  transform:translateY(-1px);
  box-shadow:0 4px 12px rgba(198,123,92,0.3);
  opacity:1 !important;
}

/* Cards */
.card{
  background:var(--surface);border-radius:var(--r-lg);padding:32px;
  box-shadow:var(--shadow-card);transition:transform .4s var(--ease-out),
             background-color .3s var(--ease-out);
}
.card:hover{background:var(--creme);transform:translateY(-4px)}
.card h3{margin-bottom:10px}

/* Navegação (glass flutuante) */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(245,240,232,.92);
  backdrop-filter:saturate(150%) blur(12px);
  -webkit-backdrop-filter:saturate(150%) blur(12px);
  border-bottom:1px solid var(--creme-deep);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.logo img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex-shrink:0}
.logo span{font-family:var(--font-display);font-weight:600;font-size:1.35rem;color:var(--marrom);line-height:1}
.nav{display:flex;align-items:center;gap:24px}
.nav a:not(.btn){
  font-family:var(--font-ui);
  font-weight:500;
  color:var(--marrom);
  font-size:.95rem;
  transition:color .2s var(--ease-out);
}
.nav a:not(.btn):hover{color:var(--terracota-deep);opacity:1}
/* CTA do nav — botão Terracota nítido com texto branco puro */
.nav .btn,.nav .btn-primary,.nav .nav-cta{
  padding:10px 22px;
  background:var(--terracota) !important;
  color:#FFFFFF !important;
  font-weight:600 !important;
  text-decoration:none !important;
  border-radius:var(--r-pill);
}
.nav .btn:hover,.nav .btn-primary:hover,.nav .nav-cta:hover{
  background:var(--terracota-deep) !important;
  color:#FFFFFF !important;
  transform:translateY(-1px);
}
/* Estado ativo (aria-current) */
.nav a[aria-current="page"]:not(.btn):not(.nav-cta){color:var(--terracota-deep);font-weight:600}
.nav a[aria-current="page"]:not(.btn):not(.nav-cta)::after{content:"";display:block;height:2px;width:100%;background:var(--terracota)}
/* Botão hambúrguer — escondido no desktop */
.nav-toggle{display:none}

/* --- 6. MOVIMENTO (scroll-trigger — NUNCA scroll-jacking) --- */
/* Elementos entram ao alcançar o viewport; usuário controla o ritmo. */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.reveal.in-view{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}

/* Acessibilidade: reduz todo motion se preferido reduzido */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* --- 7. RESPONSIVIDADE (breakpoints) --- */
@media (max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  h1{font-size:2.4rem}
  h2{font-size:1.9rem}
  .section{padding:64px var(--pad-x)}
}
@media (max-width:620px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  h1{font-size:2rem}
  .section{padding:48px var(--pad-x)}
  .btn{width:100%}
}
@media (max-width:360px){
  h1{font-size:1.75rem}
  .container{padding:0 18px}
}

/* --- 8. FOOTER REFINADO, NÍTIDO E COMPACTO (Fundo Claro de Alto Contraste) --- */
.site-footer{
  background: var(--creme-deep);
  color: var(--ink);
  padding: 36px var(--pad-x) 24px;
  border-top: 1px solid rgba(46,59,46,0.12);
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}
.site-footer *{
  -webkit-tap-highlight-color: transparent;
}
.site-footer a{
  color: var(--marrom);
  text-decoration: none;
  transition: color .2s var(--ease-out);
}
.site-footer a:hover,
.site-footer a:focus-visible{
  color: var(--terracota-deep);
  opacity: 1 !important;
}
.site-footer a:active{
  color: var(--terracota);
  opacity: 1 !important;
}
.footer-grid{
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(140px, 1fr));
  gap: 24px 36px;
  align-items: start;
}
.footer-brand{
  padding: 0;
  margin: 0;
  border: 0;
}
.site-footer .logo span{
  color: var(--marrom);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
}
.footer-brand p{
  max-width: 360px;
  margin-top: 8px;
  color: var(--ink-muted);
  font-size: .84rem;
  line-height: 1.5;
}
.footer-col h4,
.footer-col .footer-title{
  margin-bottom: 10px;
  color: var(--terracota-deep);
  font-family: var(--font-ui);
  font-size: .76rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.footer-col a{
  display: flex;
  align-items: center;
  padding: 10px 0;
  margin-bottom: 2px;
  color: var(--marrom);
  font-family: var(--font-ui);
  font-size: .95rem;
  line-height: 1.45;
  font-weight: 500;
  overflow-wrap: anywhere;
  min-height: 44px;
}
.footer-bottom{
  max-width: var(--container);
  margin: 28px auto 0;
  padding-top: 16px;
  border-top: 1px solid rgba(46,59,46,0.15);
  color: #1A1A18;
  font-family: var(--font-ui);
  font-size: .85rem;
  line-height: 1.45;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.footer-bottom span{
  color: #1A1A18 !important;
}
.footer-bottom a{
  color: var(--terracota-deep);
  font-weight: 500;
}
@media(max-width:900px){
  .footer-grid{grid-template-columns:1.25fr 1fr 1fr;gap:20px 24px}
  .footer-brand{grid-column:1/-1}
  .footer-brand p{display:none}
}
@media(max-width:620px){
  .site-footer{padding:20px var(--pad-x) 16px}
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:14px 16px;
  }
  .footer-brand{
    grid-column:1/-1;
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:8px;
    border-bottom:1px solid rgba(46,59,46,0.12);
  }
  .site-footer .logo img{width:28px;height:28px}
  .site-footer .logo span{font-size:.98rem;font-weight:600;color:var(--marrom)}
  .footer-col h4{margin-bottom:6px;font-size:.72rem;letter-spacing:.06em}
  .footer-col a{margin-bottom:2px;padding:10px 0;font-size:.92rem;line-height:1.4;min-height:44px;display:flex;align-items:center}
  .footer-col[aria-label="Institucional"]{grid-column:1/-1;margin-top:2px;padding-top:8px;border-top:1px solid rgba(46,59,46,0.1)}
  .footer-col[aria-label="Institucional"] h4,
  .footer-col[aria-label="Institucional"] .footer-title{display:inline-block;margin:0 12px 0 0;font-size:.75rem}
  .footer-col[aria-label="Institucional"] a{display:inline-flex;margin:0 14px 0 0;font-size:.9rem;min-height:44px;align-items:center}
  .footer-bottom{
    margin-top:14px;
    padding-top:10px;
    font-size:.82rem;
    line-height:1.4;
    gap:6px;
    color:#1A1A18;
  }
  .footer-bottom span{
    color:#1A1A18 !important;
  }
}


/* --- 9. MENU MOBILE ACESSÍVEL (hambúrguer CSS + drawer) --- */
/* Botão visível somente ≤620px; escondido no desktop (.nav-toggle{display:none} acima) */
@media(max-width:620px){
  .nav-toggle{
    display:flex;align-items:center;justify-content:center;
    width:44px;height:44px;border:none;background:transparent;
    color:var(--marrom);cursor:pointer;
  }
  .nav-toggle-bar,.nav-toggle-bar::before,.nav-toggle-bar::after{
    content:"";display:block;width:22px;height:2px;background:currentColor;
    transition:transform .3s var(--ease-out),opacity .2s var(--ease-out);
  }
  .nav-toggle-bar{position:relative}
  .nav-toggle-bar::before{position:absolute;top:-7px;left:0}
  .nav-toggle-bar::after{position:absolute;top:7px;left:0}
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar{background:transparent}
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar::before{top:0;transform:rotate(45deg)}
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar::after{top:0;transform:rotate(-45deg)}
  .nav{display:none;flex-direction:column;width:100%;gap:var(--sp-md);padding-top:var(--sp-md)}
  .nav.is-open{display:flex}
  .nav-cta{margin-top:var(--sp-sm);border-top:1px solid var(--creme-deep);padding-top:var(--sp-sm)}
}
/* Reduz motion no drawer */
@media(max-width:620px) and (prefers-reduced-motion:reduce){
  .nav-toggle-bar,.nav-toggle-bar::before,.nav-toggle-bar::after{transition:none}
}