/* ============================================================
   CASA CONTÁBIL — STYLE.CSS
   Design tokens: azul-marinho corporativo + dourado discreto,
   sobre a metáfora visual do "livro-razão" (linhas de ledger)
   que remete ao universo contábil.
   ============================================================ */

:root{
  /* Cores */
  --navy-900:#0A2540;
  --navy-800:#10345A;
  --navy-700:#164A7A;
  --blue-accent:#1D70B8;   /* azul herdado da versão original, usado em links/hover */
  --gold:#B8935B;
  --gold-light:#D9BD8C;
  --white:#FFFFFF;
  --gray-50:#F5F7FA;
  --gray-100:#E8ECF1;
  --gray-300:#C7D0DA;
  --gray-600:#5B6B7C;
  --ink:#1B2733;

  /* Tipografia */
  --font-display:'Montserrat', Arial, sans-serif;
  --font-body:'Inter', Arial, sans-serif;
  --font-ui:'Poppins', Arial, sans-serif;

  /* Layout */
  --max-width:1160px;
  --radius:10px;
  --shadow-sm:0 2px 10px rgba(10,37,64,0.08);
  --shadow-md:0 12px 30px rgba(10,37,64,0.14);
  --header-h:76px;
}

/* ============ RESET BÁSICO ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em;line-height:1.2;color:var(--navy-900);}
h2{font-size:clamp(1.6rem,3vw,2.3rem);}
h3{font-size:1.15rem;}
p{margin:0 0 1em;color:var(--ink);}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ============ UTILITÁRIOS ============ */
.eyebrow{
  font-family:var(--font-ui);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold);
  margin:0 0 .6em;
}
.eyebrow-light{color:var(--gold-light);}
.light{color:var(--white) !important;}
.lead{font-size:1.05rem;color:var(--gray-300);max-width:640px;}
.section-note{color:var(--gray-600);font-size:.85rem;margin-top:-1em;margin-bottom:2em;}

.section{
  padding:80px 24px;
  max-width:var(--max-width);
  margin:0 auto;
  text-align:center;
}
.section-light{background:var(--white);}
.section-gray{background:var(--gray-50);max-width:none;padding-left:0;padding-right:0;}
.section-gray > *{max-width:var(--max-width);margin-left:auto;margin-right:auto;}
.section-navy{
  background:linear-gradient(160deg,var(--navy-900),var(--navy-800));
  max-width:none;padding:90px 24px;
}
.section-navy > *{max-width:var(--max-width);margin-left:auto;margin-right:auto;}

/* Ledger-line texture usada como respiro decorativo sutil em fundos navy */
.section-navy{
  background-image:
    linear-gradient(160deg,var(--navy-900),var(--navy-800)),
    repeating-linear-gradient(to bottom, rgba(217,189,140,.05) 0, rgba(217,189,140,.05) 1px, transparent 1px, transparent 40px);
  background-blend-mode:normal;
}

/* ============ BOTÕES ============ */
.btn{
  display:inline-block;
  font-family:var(--font-ui);
  font-weight:600;
  font-size:.95rem;
  padding:14px 28px;
  border-radius:var(--radius);
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  cursor:pointer;
  border:2px solid transparent;
}
.btn-gold{background:var(--gold);color:var(--navy-900);}
.btn-gold:hover{background:var(--gold-light);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-outline{border-color:var(--white);color:var(--white);}
.btn-outline:hover{background:rgba(255,255,255,.1);transform:translateY(-2px);}
.btn-lg{padding:18px 38px;font-size:1.05rem;}

/* ============================================================
   1. HEADER
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;
  height:var(--header-h);
  background:rgba(10,37,64,.92);
  backdrop-filter:blur(8px);
  z-index:1000;
  border-bottom:1px solid rgba(184,147,91,.25);
}
.header-inner{
  max-width:var(--max-width);
  margin:0 auto;
  height:100%;
  padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:38px;height:38px;border-radius:8px;
  background:var(--gold);color:var(--navy-900);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;font-size:.9rem;
}
.brand-name{font-family:var(--font-display);font-weight:700;color:var(--white);font-size:1.1rem;}

.main-nav{display:flex;gap:28px;}
.main-nav a{
  font-family:var(--font-ui);font-size:.92rem;font-weight:500;color:var(--gray-100);
  position:relative;padding:4px 0;
}
.main-nav a:hover{color:var(--gold-light);}
.main-nav a::after{
  content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);
  transition:width .2s ease;
}
.main-nav a:hover::after{width:100%;}

.header-cta{white-space:nowrap;}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:38px;height:38px;background:none;border:none;cursor:pointer;padding:0;
}
.nav-toggle span{width:100%;height:2px;background:var(--white);border-radius:2px;transition:transform .2s ease, opacity .2s ease;}

/* ============================================================
   2. HERO
   ============================================================ */
.hero{
  position:relative;
  padding:calc(var(--header-h) + 90px) 24px 100px;
  background:radial-gradient(circle at 15% 20%, var(--navy-700), var(--navy-900) 60%);
  overflow:hidden;
  text-align:center;
}
.hero-ledger{
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(to bottom, rgba(217,189,140,.07) 0, rgba(217,189,140,.07) 1px, transparent 1px, transparent 46px);
  pointer-events:none;
}
.hero-inner{position:relative;max-width:760px;margin:0 auto;}
.hero-title{color:var(--white);font-size:clamp(2rem,4.6vw,3.1rem);margin-bottom:.5em;}
.hero-sub{color:var(--gray-300);font-size:1.08rem;max-width:600px;margin:0 auto 2em;}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:3.2em;}

.hero-stats{
  display:flex;justify-content:center;gap:0;
  flex-wrap:wrap;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(217,189,140,.25);
  border-radius:var(--radius);
  padding:22px 12px;
}
.hero-stats li{
  flex:1 1 160px;
  display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:8px 14px;
  border-right:1px solid rgba(255,255,255,.12);
}
.hero-stats li:last-child{border-right:none;}
.hero-stats strong{font-family:var(--font-display);color:var(--gold-light);font-size:1.4rem;}
.hero-stats span{font-family:var(--font-ui);color:var(--gray-300);font-size:.8rem;}

/* ============================================================
   3. GRID GENÉRICO / CARDS
   ============================================================ */
.grid{display:grid;gap:22px;margin-top:2.4em;text-align:left;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}

.pain-card,.service-card,.segment-card,.testimonial-card{
  background:var(--white);
  border:1px solid var(--gray-100);
  border-radius:var(--radius);
  padding:28px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease, box-shadow .2s ease;
}
.pain-card:hover,.service-card:hover,.segment-card:hover,.testimonial-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
}
.pain-icon,.service-icon,.segment-icon{font-size:1.8rem;display:block;margin-bottom:.5em;}
.pain-card p{margin:0;color:var(--ink);}
.service-card h3,.segment-card h3{color:var(--navy-900);}
.service-card p,.segment-card p{color:var(--gray-600);font-size:.94rem;margin:0;}

.diff-item{
  background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);
  padding:26px 18px;text-align:center;box-shadow:var(--shadow-sm);
  transition:transform .2s ease, border-color .2s ease;
}
.diff-item:hover{transform:translateY(-4px);border-color:var(--gold);}
.diff-icon{font-size:1.6rem;display:block;margin-bottom:.4em;}
.diff-item h4{font-size:.92rem;margin:0;color:var(--navy-900);}

.testimonial-card{font-style:normal;}
.testimonial-card p{color:var(--ink);}
.testimonial-card cite{display:block;margin-top:1em;font-family:var(--font-ui);font-size:.85rem;color:var(--gold);font-style:normal;}

/* ============================================================
   4. SOLUÇÃO / CTA (blocos navy centralizados)
   ============================================================ */
.solucao-inner{max-width:680px;margin:0 auto;text-align:center;}

.section-cta{
  max-width:none;
  background:linear-gradient(160deg,var(--navy-900),var(--navy-700));
  padding:90px 24px;
  text-align:center;
}
.section-cta h2{max-width:720px;margin:0 auto .9em;}

/* ============================================================
   8. TIMELINE (Como Funciona) — única numeração legítima
   por representar um processo sequencial real.
   ============================================================ */
.timeline{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
  margin-top:2.6em;
  position:relative;
}
.timeline-step{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(217,189,140,.25);
  border-radius:var(--radius);
  padding:26px 18px;
  text-align:left;
}
.step-num{
  display:block;
  font-family:var(--font-display);font-weight:800;
  color:var(--gold);font-size:1.3rem;margin-bottom:.4em;
}
.timeline-step h4{color:var(--white);margin-bottom:.3em;}
.timeline-step p{color:var(--gray-300);font-size:.88rem;margin:0;}

/* ============================================================
   10. FAQ
   ============================================================ */
.faq-list{max-width:760px;margin:2.4em auto 0;text-align:left;}
.faq-item{
  background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);
  padding:6px 22px;margin-bottom:12px;box-shadow:var(--shadow-sm);
}
.faq-item summary{
  font-family:var(--font-ui);font-weight:600;color:var(--navy-900);
  padding:16px 0;cursor:pointer;list-style:none;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:'+';position:absolute;right:0;top:14px;color:var(--gold);font-size:1.3rem;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{padding-bottom:16px;color:var(--gray-600);}

/* ============================================================
   12. RODAPÉ
   ============================================================ */
.site-footer{background:var(--navy-900);color:var(--gray-300);padding:70px 24px 0;}
.footer-grid{
  max-width:var(--max-width);margin:0 auto;
  display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1.4fr;
  gap:32px;text-align:left;padding-bottom:50px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-col h5{
  font-family:var(--font-ui);color:var(--gold-light);font-size:.82rem;
  text-transform:uppercase;letter-spacing:.1em;margin-bottom:1em;
}
.footer-col p{color:var(--gray-300);font-size:.9rem;margin-bottom:.6em;}
.footer-col a{display:block;color:var(--gray-300);font-size:.9rem;margin-bottom:.6em;transition:color .18s ease;}
.footer-col a:hover{color:var(--gold-light);}
.footer-whatsapp{color:var(--gold-light) !important;font-weight:600;}
.footer-social{display:flex;flex-direction:column;}
.footer-map iframe{width:100%;height:130px;border:0;border-radius:var(--radius);filter:grayscale(.2) contrast(1.05);}

.footer-bottom{
  max-width:var(--max-width);margin:0 auto;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  padding:24px 0;font-size:.82rem;color:var(--gray-600);
}

/* ============================================================
   BOTÃO FLUTUANTE WHATSAPP
   ============================================================ */
.whatsapp-float{
  position:fixed;right:22px;bottom:22px;z-index:999;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;
  display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;
  box-shadow:0 6px 20px rgba(0,0,0,.25);
  animation:pulse 2.4s ease-in-out infinite;
}
.whatsapp-float:hover{transform:scale(1.06);}
@keyframes pulse{
  0%,100%{box-shadow:0 6px 20px rgba(37,211,102,.35);}
  50%{box-shadow:0 6px 26px rgba(37,211,102,.6);}
}

/* ============================================================
   ANIMAÇÕES DE ENTRADA (scroll reveal)
   ============================================================ */
.fade-in{opacity:0;transform:translateY(16px);transition:opacity .55s ease, transform .55s ease;}
.fade-in.is-visible{opacity:1;transform:translateY(0);}

/* ============================================================
   RESPONSIVIDADE — MOBILE FIRST (breakpoints por cima)
   ============================================================ */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:760px){
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    background:var(--navy-900);
    flex-direction:column;gap:0;
    max-height:0;overflow:hidden;
    transition:max-height .25s ease;
    border-bottom:1px solid rgba(184,147,91,.25);
  }
  .main-nav.is-open{max-height:320px;}
  .main-nav a{padding:16px 24px;border-top:1px solid rgba(255,255,255,.06);}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}

  .grid-3,.grid-4{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;text-align:left;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .hero-stats li{flex:1 1 100%;border-right:none;border-bottom:1px solid rgba(255,255,255,.12);}
  .hero-stats li:last-child{border-bottom:none;}
}