/* ==========================================================================
   MÜLLER INTELIGÊNCIA FISCAL — Design System
   Petrol teal + ink + warm gold, editorial serif/sans/mono pairing.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  /* -- color tokens -- */
  --petrol:        #0E3B3F;
  --petrol-deep:   #0A2B2E;
  --petrol-mid:    #144B4F;
  --ink:           #14110F;
  --cream:         #F6F2EA;
  --cream-dim:     #E9E3D6;
  --gold:          #C9A76B;
  --gold-soft:     #E3CE9E;
  --sage:          #9FB3AC;
  --line-on-dark:  rgba(246,242,234,0.14);
  --line-on-light: rgba(14,59,63,0.14);
  --shadow: 0 30px 60px -30px rgba(10,20,20,0.45);

  /* -- type -- */
  --f-display: 'Lora', Georgia, serif;
  --f-body: 'Inter', -apple-system, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --container: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}

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

img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{margin:0; padding:0; list-style:none;}
button{font-family:inherit; cursor:pointer;}

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

h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:500;
  margin:0;
  letter-spacing:-0.01em;
  line-height:1.08;
}

.eyebrow{
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--gold);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:'';
  width:22px; height:1px;
  background:var(--gold);
  display:inline-block;
}

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

/* ---------------------------------- Buttons ---------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 28px;
  border-radius:2px;
  font-family:var(--f-body);
  font-weight:700;
  font-size:14.5px;
  letter-spacing:0.01em;
  border:1px solid transparent;
  transition:transform .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-gold{ background:var(--gold); color:var(--petrol-deep); }
.btn-gold:hover{ background:var(--gold-soft); }
.btn-outline-light{ border-color:rgba(246,242,234,0.4); color:var(--cream); }
.btn-outline-light:hover{ border-color:var(--gold); color:var(--gold-soft); }
.btn-outline-dark{ border-color:rgba(14,59,63,0.35); color:var(--petrol); }
.btn-outline-dark:hover{ border-color:var(--petrol); background:var(--petrol); color:var(--cream); }
.btn-arrow{transition:transform .25s ease;}
.btn:hover .btn-arrow{transform:translateX(4px);}

/* ---------------------------------- Header ---------------------------------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(14,59,63,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-on-dark);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:84px;
}
.brand{display:flex; align-items:center; gap:10px;}
.brand img{height:50px; width:auto;}
.brand-fallback{font-family:var(--f-display); color:var(--cream); font-size:19px;}

.main-nav{display:flex; align-items:center; gap:2px;}
.main-nav > ul{display:flex; align-items:center; gap:4px;}
.main-nav a.nav-link{
  color:var(--cream-dim);
  font-size:14px; font-weight:600;
  padding:10px 16px;
  border-radius:2px;
  transition:color .2s ease;
  display:flex; align-items:center; gap:6px;
}
.main-nav a.nav-link:hover, .main-nav li.has-dropdown:hover a.nav-link{color:var(--gold-soft);}
.nav-caret{width:8px; height:8px; transition:transform .2s ease;}
li.has-dropdown:hover .nav-caret{transform:rotate(180deg);}

li.has-dropdown{position:relative;}
.dropdown{
  position:absolute; top:100%; left:0;
  min-width:280px;
  background:var(--petrol-deep);
  border:1px solid var(--line-on-dark);
  padding:10px;
  opacity:0; visibility:hidden; transform:translateY(6px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s ease;
  box-shadow:var(--shadow);
}
li.has-dropdown:hover .dropdown{opacity:1; visibility:visible; transform:translateY(0);}
.dropdown a{
  display:block; padding:12px 14px;
  color:var(--cream-dim); font-size:13.5px; font-weight:600;
  border-radius:2px;
}
.dropdown a:hover{background:var(--petrol-mid); color:var(--gold-soft);}
.dropdown a span{display:block; font-family:var(--f-mono); font-weight:400; font-size:11px; color:var(--sage); margin-top:3px; letter-spacing:.02em;}

.header-cta{display:flex; align-items:center; gap:14px;}
.nav-toggle{display:none; background:none; border:0; color:var(--cream); padding:6px;}
.nav-toggle svg{width:24px; height:24px;}

@media (max-width: 980px){
  .main-nav{
    position:fixed; inset:84px 0 0 0;
    background:var(--petrol-deep);
    flex-direction:column; align-items:stretch;
    padding:20px; overflow-y:auto;
    transform:translateX(100%);
    transition:transform .3s ease;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav > ul{flex-direction:column; align-items:stretch; gap:0;}
  .dropdown{position:static; opacity:1; visibility:visible; transform:none; display:none; box-shadow:none; border:0; background:var(--petrol-mid); margin-top:4px;}
  li.has-dropdown.open .dropdown{display:block;}
  .nav-toggle{display:block;}
}
@media (max-width: 480px){
  .header-cta .btn-gold-desktop{padding:10px 14px; font-size:13px;}
  .brand img{height:38px;}
}

/* ---------------------------------- Hero ---------------------------------- */
.hero{
  position:relative;
  background:radial-gradient(120% 140% at 78% -10%, var(--petrol-mid) 0%, var(--petrol) 42%, var(--petrol-deep) 100%);
  color:var(--cream);
  overflow:hidden;
  padding:110px 0 130px;
}
.hero-grid{
  display:grid; grid-template-columns:1.15fr 0.85fr; gap:60px; align-items:center;
}
.hero h1{
  font-size:clamp(38px,5.4vw,66px);
  color:var(--cream);
}
.hero h1 em{font-style:italic; color:var(--gold-soft);}
.hero p.lede{
  font-size:18px; color:var(--sage);
  max-width:480px; margin:26px 0 38px;
}
.hero-cta-row{display:flex; gap:16px; flex-wrap:wrap;}
.hero-line{width:100%; height:auto; opacity:.9;}

@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero{padding:70px 0 80px;}
}

/* page hero (interior pages) */
.page-hero{
  background:linear-gradient(160deg, var(--petrol) 0%, var(--petrol-deep) 100%);
  color:var(--cream);
  padding:76px 0 64px;
}
.page-hero h1{font-size:clamp(32px,4.4vw,50px); color:var(--cream); max-width:760px;}
.page-hero p.lede{color:var(--sage); font-size:17px; max-width:620px; margin:20px 0 0;}
.breadcrumb{font-family:var(--f-mono); font-size:12px; color:var(--sage); letter-spacing:.05em; margin-bottom:20px; text-transform:uppercase;}
.breadcrumb a{color:var(--gold-soft);}

/* ---------------------------------- Sections ---------------------------------- */
section{padding:100px 0;}
@media (max-width:900px){ section{padding:64px 0;} }

.section-dark{background:var(--petrol-deep); color:var(--cream);}
.section-ink{background:var(--ink); color:var(--cream);}
.section-tight{padding-top:64px; padding-bottom:64px;}

.section-head{max-width:640px; margin-bottom:56px;}
.section-head h2{font-size:clamp(28px,3.6vw,42px);}
.section-head p{font-size:16.5px; color:#5b6a68; margin-top:16px;}
.section-dark .section-head p, .section-ink .section-head p{color:var(--sage);}

/* thin gold "throughline" divider with node */
.throughline{
  display:flex; align-items:center; gap:14px;
  margin:0 auto 60px;
  max-width:var(--container);
  padding:0 28px;
}
.throughline::before, .throughline::after{
  content:''; flex:1; height:1px; background:var(--line-on-light);
}
.section-dark .throughline::before, .section-dark .throughline::after,
.section-ink .throughline::before, .section-ink .throughline::after{ background:var(--line-on-dark); }
.throughline .node{width:7px; height:7px; border-radius:50%; background:var(--gold); flex:none;}

/* ---------------------------------- Stat strip ---------------------------------- */
.stat-strip{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line-on-dark);
  border:1px solid var(--line-on-dark);
}
.stat-cell{background:var(--petrol-deep); padding:38px 32px;}
.stat-num{font-family:var(--f-mono); font-size:44px; color:var(--gold); line-height:1;}
.stat-label{margin-top:14px; font-size:14.5px; color:var(--sage); max-width:280px;}
@media (max-width:800px){ .stat-strip{grid-template-columns:1fr;} }

/* ---------------------------------- Service cards ---------------------------------- */
.services-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line-on-light); border:1px solid var(--line-on-light);
}
.service-card{
  background:var(--cream); padding:44px 34px;
  display:flex; flex-direction:column; gap:18px;
  transition:background .25s ease;
}
.service-card:hover{background:#fff;}
.service-card .tag{font-family:var(--f-mono); font-size:12px; color:var(--gold); letter-spacing:.08em;}
.service-card h3{font-size:22px;}
.service-card p{font-size:14.5px; color:#5b6a68; flex:1;}
.service-card .go{font-size:13.5px; font-weight:700; color:var(--petrol); display:flex; align-items:center; gap:8px;}
.service-card:hover .go{color:var(--gold);}
@media (max-width:980px){ .services-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .services-grid{grid-template-columns:1fr;} }

/* ---------------------------------- Item list (service detail pages) ---------------------------------- */
.item-list{
  display:grid; grid-template-columns:1fr 1fr; gap:0 48px;
}
.item-list li{
  display:flex; align-items:flex-start; gap:14px;
  padding:18px 0;
  border-bottom:1px solid var(--line-on-light);
  font-size:15.5px;
}
.section-dark .item-list li, .section-ink .item-list li{border-bottom-color:var(--line-on-dark);}
.item-list .mark{
  flex:none; width:9px; height:9px; margin-top:6px;
  background:var(--gold);
  transform:rotate(45deg);
}
@media (max-width:760px){ .item-list{grid-template-columns:1fr;} }

/* ---------------------------------- Quote / callout blocks ---------------------------------- */
.quote-block{
  border-left:2px solid var(--gold);
  padding:6px 0 6px 30px;
  font-family:var(--f-display);
  font-size:clamp(22px,2.6vw,30px);
  font-style:italic;
  line-height:1.4;
  color:var(--cream);
  max-width:760px;
}
.callout-box{
  background:var(--gold);
  color:var(--petrol-deep);
  padding:34px 38px;
  font-family:var(--f-display);
  font-size:clamp(20px,2.4vw,26px);
  font-weight:500;
  line-height:1.35;
  max-width:620px;
}

/* ---------------------------------- Split (image + text) ---------------------------------- */
.split{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;}
.split img{width:100%; height:100%; object-fit:cover;}
.split.reverse{direction:rtl;}
.split.reverse > *{direction:ltr;}
@media (max-width:900px){ .split{grid-template-columns:1fr; gap:36px;} }

.photo-frame{position:relative; border:1px solid var(--line-on-light);}
.photo-frame::after{
  content:''; position:absolute; inset:14px;
  border:1px solid var(--gold); pointer-events:none;
}

/* ---------------------------------- Team ---------------------------------- */
.team-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:40px;}
.team-card img{width:100%; aspect-ratio:4/5; object-fit:cover; filter:grayscale(15%);}
.team-card{background:var(--ink); color:var(--cream);}
.team-card .info{padding:26px 28px 32px;}
.team-card h3{font-size:22px; color:var(--cream);}
.team-card .role{font-family:var(--f-mono); font-size:12px; color:var(--gold); letter-spacing:.08em; text-transform:uppercase; margin-top:6px;}
@media (max-width:760px){ .team-grid{grid-template-columns:1fr;} }

/* ---------------------------------- CTA banner ---------------------------------- */
.cta-banner{
  background:var(--petrol);
  color:var(--cream);
  padding:80px 0;
  text-align:center;
}
.cta-banner h2{font-size:clamp(28px,4vw,44px); max-width:760px; margin:0 auto;}
.cta-banner p{color:var(--sage); margin:18px auto 34px; max-width:520px;}
.cta-banner .hero-cta-row{justify-content:center;}

/* ---------------------------------- Contact ---------------------------------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:70px;}
.contact-info dl{margin:0;}
.contact-info dt{font-family:var(--f-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.08em; color:var(--gold); margin-top:30px;}
.contact-info dt:first-child{margin-top:0;}
.contact-info dd{margin:8px 0 0; font-size:17px; font-weight:600;}
.form-field{margin-bottom:20px;}
.form-field label{display:block; font-size:13px; font-weight:700; margin-bottom:8px; color:var(--petrol);}
.form-field input, .form-field textarea{
  width:100%; padding:14px 16px; border:1px solid var(--line-on-light);
  background:#fff; font-family:var(--f-body); font-size:15px; color:var(--ink);
  border-radius:2px;
}
.form-field input:focus, .form-field textarea:focus{border-color:var(--petrol); outline:none;}
.form-field textarea{min-height:130px; resize:vertical;}
@media (max-width:900px){ .contact-grid{grid-template-columns:1fr; gap:44px;} }

/* ---------------------------------- Footer ---------------------------------- */
.site-footer{background:var(--ink); color:var(--cream-dim); padding:70px 0 30px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px;}
.footer-grid h4{font-family:var(--f-mono); font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:var(--gold); margin-bottom:18px; font-weight:500;}
.footer-grid ul li{margin-bottom:10px; font-size:14px;}
.footer-grid ul li a:hover{color:var(--gold-soft);}
.footer-brand img{height:26px; margin-bottom:16px;}
.footer-brand p{font-size:14px; color:var(--sage); max-width:280px;}
.footer-bottom{
  margin-top:60px; padding-top:26px; border-top:1px solid var(--line-on-dark);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:12.5px; color:#6d7a77;
}
@media (max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr; row-gap:36px;} }
@media (max-width:560px){ .footer-grid{grid-template-columns:1fr;} }

/* ---------------------------------- WhatsApp float ---------------------------------- */
.wa-float{
  position:fixed; right:24px; bottom:24px; z-index:200;
  background:var(--gold); color:var(--petrol-deep);
  width:58px; height:58px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 12px 30px -8px rgba(0,0,0,0.4);
  transition:transform .25s ease;
}
.wa-float:hover{transform:scale(1.08);}
.wa-float svg{width:26px; height:26px;}

/* ---------------------------------- Reveal on scroll ---------------------------------- */
.reveal{opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1; transform:none;}

/* ---------------------------------- misc ---------------------------------- */
.placeholder-note{
  font-family:var(--f-mono); font-size:11px; color:#b4442a;
  background:#fdf0ec; border:1px dashed #dba796; padding:3px 8px; border-radius:2px;
  display:inline-block; margin-left:8px;
}
.section-dark .placeholder-note, .section-ink .placeholder-note{background:rgba(253,240,236,0.08); color:#e2a08c;}