/* =========================================================
   Cobalchini Contabilidade — design tokens
   ========================================================= */
:root{
  --navy-950:#081A30;
  --navy-900:#0B2545;
  --navy-800:#123361;
  --navy-700:#1A4B85;
  --navy-500:#3E6FA8;
  --navy-100:#E4ECF5;

  --gray-900:#222B35;
  --gray-700:#4B5563;
  --gray-500:#7C8896;
  --gray-300:#C4CBD4;
  --gray-200:#E2E6EB;
  --gray-100:#F1F3F6;

  --sky:#2E9BFF;
  --sky-600:#0B6FD1;
  --sky-100:#DCEEFF;
  --sky-glow:rgba(46,155,255,.35);

  --paper:#F3F5F8;
  --white:#FFFFFF;
  --ink:#182230;
  --ink-muted:#5B6675;
  --line:#E1E5EB;
  --line-navy:rgba(255,255,255,.14);

  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, monospace;

  --radius:16px;
  --radius-sm:10px;
  --shadow-card: 0 1px 2px rgba(11,37,69,.06), 0 8px 24px -12px rgba(11,37,69,.18);
  --shadow-glow: 0 10px 30px -8px var(--sky-glow);
  --max: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:84px; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}

h1,h2,h3{
  font-family:var(--font-display);
  color:var(--navy-900);
  line-height:1.1;
  margin:0 0 .5em;
  font-weight:600;
  letter-spacing:-.01em;
}
h1{ font-size:clamp(2.1rem, 1.55rem + 2.4vw, 3.6rem); font-weight:600; }
h2{ font-size:clamp(1.6rem, 1.3rem + 1.4vw, 2.4rem); }
h3{ font-size:clamp(1.15rem, 1.05rem + .5vw, 1.4rem); font-weight:600;}

p{ margin:0 0 1em; color:var(--ink); }
a{ color:var(--navy-700); }
strong{ color:var(--navy-900); }

.wrap{ max-width:var(--max); margin:0 auto; padding:0 28px; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--navy-700);
  margin:0 0 .9em;
  display:flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{
  content:"";
  width:22px; height:2px;
  border-radius:2px;
  background:var(--sky);
  display:inline-block;
}
.eyebrow-light{ color:var(--sky); }
.eyebrow-light::before{ background:var(--sky); }

.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--navy-900); color:var(--white);
  padding:.8em 1.2em; z-index:200; border-radius:0 0 4px 0;
}
.skip-link:focus{ left:0; }

:focus-visible{
  outline:2px solid var(--sky);
  outline-offset:3px;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--font-body); font-weight:600; font-size:.95rem;
  padding:.85em 1.7em;
  border-radius:var(--radius-sm);
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .25s ease;
}
.btn-primary{ background:var(--navy-900); color:var(--white); }
.btn-primary:hover{ background:var(--navy-800); transform:translateY(-2px); box-shadow:var(--shadow-glow); }
.btn-primary:active{ transform:translateY(0); }
.btn-ghost{ border-color:var(--navy-900); color:var(--navy-900); }
.btn-ghost:hover{ background:var(--navy-900); color:var(--white); border-color:var(--navy-900); transform:translateY(-2px); box-shadow:var(--shadow-glow); }
.btn-block{ width:100%; }
.btn-nav{
  padding:.6em 1.3em; font-size:.88rem;
  background:var(--sky); color:var(--white); border-color:var(--sky);
}
.btn-nav:hover{
  background:var(--sky-600); border-color:var(--sky-600); color:var(--white);
  transform:translateY(-2px); box-shadow:var(--shadow-glow);
}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(8,26,48,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:14px; padding-bottom:14px;
}
.brand{ display:flex; align-items:center; gap:.65em; text-decoration:none; }
.brand-badge{
  display:flex; align-items:center; justify-content:center;
  transition:transform .2s ease, opacity .2s ease;
}
.brand:hover .brand-badge{ transform:translateY(-1px); opacity:.88; }
.brand-badge img{ display:block; height:40px; width:auto; }
.brand-footer .brand-badge img{ height:44px; }

.site-nav{ display:flex; align-items:center; gap:1.9em; }
.site-nav a{
  color:rgba(255,255,255,.82); text-decoration:none; font-size:.92rem; font-weight:500;
  position:relative;
}
.site-nav a:not(.btn)::after{
  content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px;
  border-radius:2px;
  background:var(--sky); transform:scaleX(0); transform-origin:left;
  transition:transform .2s ease;
}
.site-nav a:not(.btn):hover{ color:var(--white); }
.site-nav a:not(.btn):hover::after{ transform:scaleX(1); }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; align-items:center; gap:5px;
  width:38px; height:38px; background:none; border:none; cursor:pointer; flex:none;
}
.nav-toggle span{
  display:block; height:2px; width:22px; background:var(--white); border-radius:1px;
  transition:transform .25s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero{ padding:76px 0 0; background:var(--paper); overflow:hidden; }
.hero-inner{
  display:grid; grid-template-columns:1.35fr .65fr; gap:48px; align-items:center;
  padding-bottom:56px;
}
.hero-lead{ max-width:46ch; color:var(--ink-muted); font-size:1.05rem; }
.hero-actions{ display:flex; gap:1em; flex-wrap:wrap; margin-top:1.6em; }

.hero-stamp{ display:flex; justify-content:center; }
.stamp-svg{ width:min(220px, 100%); animation:stamp-in .8s ease .1s both; }
@keyframes stamp-in{
  from{ opacity:0; transform:scale(.85) rotate(-14deg); }
  to{ opacity:1; transform:scale(1) rotate(-9deg); }
}
.stamp-ring-outer{ fill:none; stroke:var(--navy-900); stroke-width:1.4; opacity:.75; }
.stamp-ring-inner{ fill:none; stroke:var(--sky); stroke-width:1; stroke-dasharray:2 4; opacity:.85; }
.stamp-text{ font-family:var(--font-mono); font-size:9.5px; letter-spacing:.12em; fill:var(--navy-900); }
.stamp-year{ font-family:var(--font-mono); font-size:9px; letter-spacing:.14em; fill:var(--navy-700); }
.stamp-year-num{ font-family:var(--font-display); font-size:26px; font-weight:600; fill:var(--navy-900); }

.stats-bar{
  margin:0; display:grid; grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);
  padding:34px 0;
}
.stat{ text-align:left; padding:0 20px; border-left:1px solid var(--line); }
.stat:first-child{ border-left:none; padding-left:0; }
.stat-number{
  font-family:var(--font-mono); font-weight:500; font-size:clamp(1.7rem,1.4rem + 1vw, 2.3rem);
  color:var(--navy-900); margin:0 0 .22em; position:relative; display:inline-block;
}
.stat-number::after{
  content:""; position:absolute; left:0; bottom:-8px; width:28px; height:3px; border-radius:2px;
  background:var(--sky);
}
.stat dd{ margin:0; color:var(--ink-muted); font-size:.92rem; }

/* Scroll reveal */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* =========================================================
   Sections (generic)
   ========================================================= */
.section{ padding:88px 0; }
.section-paper{ background:var(--paper); }
.section-navy{ background:var(--navy-900); color:var(--white); }
.section-navy h2, .section-navy h3{ color:var(--white); }
.section-navy p{ color:rgba(255,255,255,.78); }

.section-head{ max-width:680px; margin:0 0 44px; }
.section-head-center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head-center .eyebrow{ justify-content:center; }
.section-lead{ color:var(--ink-muted); font-size:1.02rem; }
.section-navy .section-lead{ color:rgba(255,255,255,.7); }

.section-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:56px; align-items:start; }
.section-body{ max-width:64ch; }

.mission-quote{
  margin:2em 0; padding:.2em 0 .2em 1.2em;
  border-left:3px solid var(--sky);
  font-family:var(--font-display); font-style:italic; font-size:1.25rem;
  color:var(--navy-900);
}

.timeline{ list-style:none; margin:2em 0 0; padding:0; border-top:1px solid var(--line); }
.timeline li{
  display:grid; grid-template-columns:90px 1fr; gap:20px;
  padding:18px 0; border-bottom:1px solid var(--line);
}
.timeline-year{ font-family:var(--font-mono); color:var(--navy-700); font-weight:500; }
.timeline-text{ color:var(--ink-muted); }

.lead-section-head{ margin-top:12px; }
.lead-section-head h3{ font-size:clamp(1.3rem, 1.15rem + .7vw, 1.7rem); }

.lead-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;
}
.lead-card{
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:14px;
  padding:32px 26px; border:1px solid var(--line); border-radius:var(--radius);
  background:var(--paper);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.lead-card:hover{
  transform:translateY(-5px); border-color:var(--sky);
  box-shadow:0 16px 34px -18px rgba(11,37,69,.35), var(--shadow-glow);
}
.lead-card img{
  width:112px; height:112px; border-radius:50%; object-fit:cover; flex:none;
  border:3px solid var(--white); box-shadow:0 0 0 2px var(--sky);
}
.lead-card-copy{ display:flex; flex-direction:column; align-items:center; gap:.2em; }
.lead-card-copy strong{ font-family:var(--font-display); font-size:1.15rem; color:var(--navy-900); }
.lead-card-copy span{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--sky-600); }
.lead-card-copy p{ margin:.6em 0 0; color:var(--ink-muted); font-size:.92rem; max-width:34ch; }

/* =========================================================
   Ecossistema
   ========================================================= */
.eco-grid{
  display:grid; grid-template-columns:1fr .82fr; gap:56px; align-items:center;
}
.eco-list{ list-style:none; margin:1.8em 0; padding:0; display:grid; gap:16px; }
.eco-list li{
  padding:14px 16px; border-left:3px solid var(--sky); background:var(--gray-100);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.eco-list strong{ display:block; font-size:.96rem; color:var(--navy-900); margin-bottom:.2em; }
.eco-list span{ color:var(--ink-muted); font-size:.88rem; }

.eco-image{ margin:0; text-align:center; }
.eco-image img{
  max-width:100%; height:auto; width:100%; max-width:380px;
  border-radius:var(--radius); box-shadow:var(--shadow-card); display:inline-block;
}

/* =========================================================
   Cards — departamentos / depoimentos
   ========================================================= */
.card-grid{ display:grid; gap:22px; }
.card-grid-4{ grid-template-columns:repeat(4,1fr); }
.card-grid-3{ grid-template-columns:repeat(3,1fr); }

.dept-card{
  background:rgba(255,255,255,.045);
  border:1px solid var(--line-navy);
  padding:26px 24px 28px;
  border-radius:var(--radius);
  transition:transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.dept-card:hover{
  transform:translateY(-5px);
  border-color:var(--sky);
  background:rgba(255,255,255,.07);
  box-shadow:0 16px 34px -14px rgba(0,0,0,.45), var(--shadow-glow);
}
.dept-card .icon{ width:30px; height:30px; color:var(--sky); margin-bottom:16px; transition:transform .25s ease; }
.dept-card:hover .icon{ transform:scale(1.08); }
.dept-card h3{ font-size:1.05rem; margin-bottom:.4em; }
.dept-card p{ color:rgba(255,255,255,.72); font-size:.92rem; margin:0; }

.testimonial-card{
  background:rgba(255,255,255,.045);
  border:1px solid var(--line-navy);
  padding:30px 26px;
  border-radius:var(--radius);
  margin:0;
  display:flex; flex-direction:column; gap:20px;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.testimonial-card:hover{
  transform:translateY(-5px);
  border-color:var(--sky);
  box-shadow:0 16px 34px -14px rgba(0,0,0,.45), var(--shadow-glow);
}
.testimonial-card blockquote{
  margin:0; font-family:var(--font-display); font-size:1.05rem; font-style:italic;
  color:var(--white); line-height:1.5;
}
.testimonial-card figcaption{ display:flex; flex-direction:column; font-size:.88rem; }
.testimonial-card figcaption strong{ color:var(--sky); }
.testimonial-card figcaption span{ color:rgba(255,255,255,.6); }

/* =========================================================
   Feature list — tecnologia
   ========================================================= */
.feature-list{ list-style:none; margin:1.6em 0 0; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:22px 32px; }
.feature-list li{ display:flex; gap:14px; align-items:flex-start; }
.icon-sm{ width:22px; height:22px; color:var(--navy-700); flex:none; margin-top:2px; transition:transform .2s ease, color .2s ease; }
.feature-list li:hover .icon-sm{ color:var(--sky-600); transform:translateY(-2px); }
.feature-list strong{ display:block; font-size:.96rem; margin-bottom:.2em; }
.feature-list span{ color:var(--ink-muted); font-size:.88rem; }

/* =========================================================
   Article / SEO content
   ========================================================= */
.article-wrap{ max-width:820px; }
.article-body h3{ margin-top:1.4em; font-size:1.1rem; }
.article-body p{ color:var(--ink-muted); }

/* =========================================================
   Accordion — serviços / faq
   ========================================================= */
.accordion{ border-top:1px solid var(--line); }
.acc-item{ border-bottom:1px solid var(--line); border-radius:var(--radius-sm); transition:background .2s ease; }
.acc-item:hover{ background:var(--gray-100); }
.acc-trigger{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px;
  background:none; border:none; text-align:left; cursor:pointer;
  padding:22px 14px; font-family:var(--font-display); font-size:1.1rem; color:var(--navy-900);
  transition:color .2s ease;
}
.acc-num{ font-weight:500; }
.acc-trigger[aria-expanded="true"] .acc-num{ color:var(--sky-600); }
.acc-chevron{
  flex:none; width:26px; height:26px; position:relative;
  border-radius:50%; background:var(--gray-100);
  transition:background .25s ease;
}
.acc-trigger[aria-expanded="true"] .acc-chevron{ background:var(--sky-100); }
.acc-chevron::before,.acc-chevron::after{
  content:""; position:absolute; top:50%; left:50%; background:var(--navy-900); border-radius:2px;
  transition:transform .25s ease, background .25s ease;
}
.acc-chevron::before{ width:12px; height:2px; transform:translate(-50%,-50%); }
.acc-chevron::after{ width:2px; height:12px; transform:translate(-50%,-50%); }
.acc-trigger[aria-expanded="true"] .acc-chevron::before,
.acc-trigger[aria-expanded="true"] .acc-chevron::after{ background:var(--sky-600); }
.acc-trigger[aria-expanded="true"] .acc-chevron::after{ transform:translate(-50%,-50%) rotate(90deg); opacity:0; }

.acc-panel{ max-height:0; overflow:hidden; transition:max-height .32s ease; }
.acc-panel-inner{ padding:0 14px 28px; }

.service-details{ margin:0 0 1.2em; display:grid; gap:.2em 0; }
.service-details dt{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--navy-700); margin-top:1em;
}
.service-details dt:first-child{ margin-top:0; }
.service-details dd{ margin:.25em 0 0; color:var(--ink-muted); }
.acc-cta{ color:var(--sky-600); font-weight:600; text-decoration:none; font-size:.94rem; }
.acc-cta:hover{ text-decoration:underline; }

.accordion-faq .acc-trigger{ font-size:1rem; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:56px; align-items:start; }
.contact-list{ list-style:none; margin:2em 0; padding:0; display:grid; gap:1.2em; }
.contact-list li{ display:flex; flex-direction:column; gap:.2em; }
.contact-label{ font-family:var(--font-mono); font-size:.7rem; letter-spacing:.1em; text-transform:uppercase; color:var(--navy-700); }
.contact-list a{ color:var(--navy-900); text-decoration:none; font-weight:600; transition:color .2s ease; }
.contact-list a:hover{ color:var(--sky-600); text-decoration:underline; }
.contact-actions{ display:flex; flex-direction:column; gap:.3em; }

.map-embed{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); }
.map-embed iframe{ width:100%; height:220px; border:0; display:block; }

.contact-form{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:34px; box-shadow:var(--shadow-card);
  transition:box-shadow .3s ease, border-color .3s ease;
}
.contact-form:focus-within{ border-color:var(--sky); box-shadow:var(--shadow-card), var(--shadow-glow); }
.contact-form h3{ margin-bottom:.2em; }
.form-row{ margin-bottom:16px; display:flex; flex-direction:column; gap:.4em; }
.form-row-split{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:0;}
.form-row-split > div{ display:flex; flex-direction:column; gap:.4em; margin-bottom:16px;}
.contact-form label{ font-size:.82rem; font-weight:600; color:var(--navy-900); }
.contact-form input, .contact-form select, .contact-form textarea{
  font-family:var(--font-body); font-size:.95rem; padding:.75em .9em;
  border:1px solid var(--line); border-radius:var(--radius-sm); background:var(--paper);
  color:var(--ink);
  transition:border-color .2s ease, background .2s ease;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus{
  outline:2px solid var(--sky); outline-offset:1px; background:var(--white); border-color:var(--sky);
}
.form-note{ font-size:.8rem; color:var(--ink-muted); margin:14px 0 0; }
.form-status{ font-size:.85rem; font-weight:600; color:var(--navy-700); min-height:1.2em; margin:.6em 0 0; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background:var(--navy-950); color:rgba(255,255,255,.75); padding:64px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:48px; padding-bottom:48px; border-bottom:1px solid var(--line-navy); }
.brand-footer{ display:inline-flex; }
.footer-brand p{ color:rgba(255,255,255,.6); margin-top:1em; max-width:34ch; font-size:.92rem; }
.footer-nav, .footer-contact{ display:flex; flex-direction:column; gap:.7em; }
.footer-nav h4, .footer-contact h4{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--sky); margin:0 0 .4em; font-weight:500;
}
.footer-nav a, .footer-contact a{ color:rgba(255,255,255,.75); text-decoration:none; font-size:.92rem; transition:color .2s ease; }
.footer-nav a:hover, .footer-contact a:hover{ color:var(--sky); }
.footer-contact p{ margin:0; font-size:.92rem; color:rgba(255,255,255,.75); }

.footer-bottom{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
  padding:22px 0; font-size:.8rem; color:rgba(255,255,255,.5);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns:1fr; }
  .hero-stamp{ order:-1; max-width:150px; margin:0 auto 8px; }
  .section-grid{ grid-template-columns:1fr; }
  .lead-grid{ grid-template-columns:1fr 1fr; }
  .eco-grid{ grid-template-columns:1fr; }
  .eco-image{ order:-1; }
  .contact-grid{ grid-template-columns:1fr; }
  .card-grid-4{ grid-template-columns:repeat(2,1fr); }
  .card-grid-3{ grid-template-columns:1fr; }
  .feature-list{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}

@media (max-width: 760px){
  .site-nav{
    position:fixed; inset:64px 0 0 0; background:var(--navy-950);
    flex-direction:column; align-items:flex-start; padding:32px 28px;
    gap:1.4em; transform:translateX(100%); transition:transform .28s ease;
    overflow-y:auto;
  }
  .site-nav.is-open{ transform:translateX(0); }
  .nav-toggle{ display:flex; }
  .btn-nav{ margin-top:.6em; }
  .stats-bar{ grid-template-columns:1fr; gap:20px; }
  .stat{ border-left:none; border-top:1px solid var(--line); padding:20px 0 0; }
  .stat:first-child{ border-top:none; padding-top:0; }
  .footer-grid{ grid-template-columns:1fr; }
  .form-row-split{ grid-template-columns:1fr; }
  .card-grid-4{ grid-template-columns:1fr; }
  .lead-grid{ grid-template-columns:1fr; }
  .section{ padding:64px 0; }
}

@media (max-width: 480px){
  .wrap{ padding:0 20px; }
  .brand-badge img{ height:32px; }
  .header-inner{ padding-top:12px; padding-bottom:12px; }
  .hero{ padding-top:56px; }
  .btn{ padding:.8em 1.3em; font-size:.9rem; }
}