:root{
  --navy:#002F87;
  --red:#E10000;
  --ink:#14171F;
  --ink-soft:#4A4F5C;
  --paper:#FFFFFF;
  --paper-warm:#F7F7F5;
  --line:#E4E4E0;
  --accent-light:#C9CDD8;
  --radius:2px;
  --ff-display:'Space Grotesk',sans-serif;
  --ff-body:'Inter',sans-serif;
  --ff-mono:'Roboto',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.eyebrow{
  font-family:var(--ff-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:20px;height:1px;
  background:var(--ink);
  display:inline-block;
}
.eyebrow.on-dark{color:var(--accent-light);}
.eyebrow.on-dark::before{background:var(--accent-light);}
h1,h2,h3,h4{font-family:var(--ff-display);font-weight:700;letter-spacing:-.01em;color:var(--ink);}
h1,h2,h3,h4{color:inherit;}

/* ============ HEADER ============ */
header{
  position:fixed;top:0;left:0;right:0;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  z-index:1000;
}
[id]{scroll-margin-top:100px;}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 32px;max-width:1200px;margin:0 auto;gap:24px;
}
.brand-cluster{display:flex;align-items:center;gap:10px;margin-left:-12px;}
.brand-cluster img.logo-maficeti{height:36px;width:auto;}
.brand-divider{width:1px;height:38px;background:var(--line);}
.brand-cluster .avia-seal{display:flex;align-items:center;gap:8px;}
.brand-cluster img.logo-avia{height:38px;width:auto;}
.avia-seal-text{font-family:var(--ff-mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);line-height:1.3;}
nav{display:flex;align-items:center;gap:32px;}
nav a{font-size:15px;font-weight:500;color:var(--ink-soft);transition:color .2s;}
.nav-dropdown{position:relative;display:flex;align-items:center;}
.nav-dropdown-menu{
  position:absolute;top:100%;left:0;margin-top:14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  min-width:200px;padding:6px;
  box-shadow:0 12px 28px rgba(0,0,0,.10);
  opacity:0;visibility:hidden;transform:translateY(4px);
  transition:opacity .15s,transform .15s,visibility .15s;
  z-index:1100;
}
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu{
  opacity:1;visibility:visible;transform:translateY(0);
}
.nav-dropdown-menu a{
  display:block;padding:10px 12px;font-size:14px;color:var(--ink-soft);border-radius:var(--radius);
}
.nav-dropdown-menu a:hover{background:var(--red);color:#fff;}
nav a:hover{color:var(--ink);}
.nav-cta{
  font-family:var(--ff-mono);
  font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  background:var(--red);color:#fff !important;
  padding:11px 20px;border-radius:var(--radius);
  border:1px solid var(--red);
  transition:background .2s,color .2s;
  text-align:center;
}
.nav-cta:hover{background:#c40000;border-color:#c40000;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;}

/* ============ HERO ============ */
.hero{
  background:var(--navy);
  color:#fff;
  padding:150px 0 0;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;right:-10%;top:-20%;
  width:60%;height:140%;
  background:radial-gradient(circle,rgba(225,0,0,.18) 0%,rgba(225,0,0,0) 70%);
  pointer-events:none;
}
.hero-inner{max-width:920px;margin:0 auto;padding:0 32px;position:relative;z-index:2;}
.hero .eyebrow{margin-bottom:18px;}
.hero h1{
  font-size:clamp(32px,4.2vw,50px);
  line-height:1.08;
  max-width:680px;
  margin-bottom:18px;
}
.hero h1 em{color:var(--red);font-style:normal;}
.hero p.lead{
  font-size:16px;
  color:rgba(255,255,255,.78);
  max-width:480px;
  margin-bottom:20px;
}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:16px;}
.btn{
  font-family:var(--ff-mono);
  font-size:13px;letter-spacing:.05em;text-transform:uppercase;
  padding:15px 26px;border-radius:var(--radius);
  display:inline-flex;align-items:center;gap:10px;
  transition:transform .2s,background .2s,border-color .2s;
  border:1px solid transparent;
}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{transform:translateY(-2px);background:#c40000;}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost:hover{border-color:#fff;transform:translateY(-2px);}

.spec-strip{
  border-top:1px solid rgba(255,255,255,.15);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  max-width:920px;margin:0 auto;
}
.spec-strip div{
  padding:8px 0 8px 0;
  border-right:1px solid rgba(255,255,255,.15);
  text-align:center;
}
.spec-strip div:last-child{border-right:none;}
.spec-highlight{background:var(--red);border-right:none !important;}
.spec-highlight .spec-num{color:#fff;}
.spec-highlight .spec-label{color:rgba(255,255,255,.85);}
.spec-num{font-family:var(--ff-display);font-size:20px;font-weight:700;color:#fff;line-height:1;}
.spec-label{font-family:var(--ff-mono);font-size:9px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-light);margin-top:0;}

/* ============ SECTION SHARED ============ */
section{padding:120px 0;}
.section-head{max-width:640px;margin-bottom:64px;}
.section-head .eyebrow{margin-bottom:18px;}
.section-head h2{font-size:clamp(28px,3.4vw,42px);line-height:1.12;margin-bottom:18px;}
.section-head p{color:var(--ink-soft);font-size:16px;}

/* ============ EMPRESA ============ */
.company{
  background:var(--paper-warm);
  position:relative;
}
.company-page{padding-bottom:280px;}
.company-page .company-copy{position:relative;overflow:visible;}
.company-page .company-copy::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-280px;
  width:100%;
  height:240px;
  background-image:url('assets/onda.png');
  background-position:center bottom;
  background-size:100% 100%;
  background-repeat:no-repeat;
  opacity:.9;
  pointer-events:none;
  z-index:0;
}
.company .container{position:relative;z-index:1;}
.company-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:start;}
.company-copy p{color:var(--ink-soft);font-size:16px;margin-bottom:18px;max-width:520px;}
.company-page .company-copy p{max-width:100%;}
.company-page .company-quote{max-width:100%;}
.company-quote{
  border-left:3px solid var(--red);
  padding-left:20px;
  margin-top:28px;
  font-family:var(--ff-display);
  font-size:20px;
  font-style:italic;
  color:var(--ink);
  max-width:520px;
}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);}
.pillar{background:var(--paper-warm);padding:28px 24px;}
.pillar-mark{font-family:var(--ff-mono);font-size:11px;color:var(--ink-soft);letter-spacing:.05em;margin-bottom:14px;display:block;}
.pillar h4{font-size:17px;margin-bottom:8px;}
.pillar p{font-size:14px;color:var(--ink-soft);}

/* ============ PRODUTOS ============ */
.tabs{display:flex;gap:8px;margin-bottom:48px;border-bottom:1px solid var(--line);flex-wrap:wrap;}
.tab-btn{
  font-family:var(--ff-mono);font-size:13px;letter-spacing:.03em;text-transform:uppercase;
  padding:14px 4px;margin-right:32px;color:var(--ink-soft);
  border-bottom:2px solid transparent;cursor:pointer;background:none;border-top:none;border-left:none;border-right:none;
  transition:color .2s,border-color .2s;
}
.tab-btn.active,.tab-btn:hover{color:var(--ink);border-bottom-color:var(--red);}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.product-grid-4{grid-template-columns:repeat(4,1fr);}
.product-card{background:#fff;padding:0 0 22px;min-height:260px;display:flex;flex-direction:column;transition:background .2s,transform .2s,box-shadow .2s;overflow:hidden;position:relative;}
.product-card:hover{background:var(--paper-warm);transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,.08);z-index:1;}
.product-icon{
  width:100%;height:120px;
  background:linear-gradient(155deg,var(--paper-warm) 0%,#EDEEEA 100%);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
  transition:background .2s;
}
.product-card:hover .product-icon{background:linear-gradient(155deg,#EDEEEA 0%,#E4E5E0 100%);}
.product-icon svg{width:64px;height:64px;}
.product-icon-photo{padding:14px;}
.product-icon-photo img{width:100%;height:100%;object-fit:contain;display:block;}
.product-grid-equip .product-icon{height:220px;}
.product-grid-equip .product-icon-photo{padding:8px;}
.product-grid-equip .product-code{display:block;text-align:center;}
.product-card > div{padding:0 24px;}
.product-code{font-family:var(--ff-mono);font-size:11px;color:var(--ink-soft);letter-spacing:.06em;}
.product-card h4{font-size:16px;margin:12px 0 6px;line-height:1.3;}
.product-grid-equip h4{text-align:center;margin:12px 0 0;}
.product-grid-equip p{text-align:center;margin-top:0;padding-top:0;}
.product-card p{font-size:13px;color:var(--ink-soft);margin-top:auto;padding-top:8px;}

/* ============ SERVIÇOS ============ */
.section-divider{width:100vw;position:relative;left:50%;right:50%;margin-left:-50vw;margin-right:-50vw;line-height:0;overflow:hidden;}
.section-divider img{width:100%;height:auto;display:block;}
.services{background:var(--paper-warm);}
.service-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);}
.service-card{background:var(--paper-warm);padding:44px 40px;}
.service-card .eyebrow{margin-bottom:20px;color:var(--red);font-weight:700;}
.service-card .eyebrow::before{background:var(--red);}
.service-card h3{font-size:24px;margin-bottom:14px;}
.service-card p{color:var(--ink-soft);font-size:15px;margin-bottom:22px;}
.service-list{display:flex;flex-direction:column;gap:10px;}
.service-list li{font-size:14px;color:var(--ink);padding-left:20px;position:relative;}
.service-list li::before{content:"—";position:absolute;left:0;color:var(--red);}

/* ============ GFC DETAIL ============ */
.gfc-detail{margin-top:64px;padding-top:56px;border-top:1px solid var(--line);}
.gfc-detail-head{margin-bottom:36px;}
.gfc-detail-head h2{font-size:clamp(24px,2.6vw,32px);margin-top:14px;}
.gfc-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:32px;}
.gfc-gallery img{width:100%;height:280px;object-fit:contain;background:transparent;border:none;border-radius:var(--radius);display:block;}
.gfc-gallery-item{display:flex;flex-direction:column;}
.gfc-gallery-caption{
  font-family:var(--ff-mono);font-size:12px;color:var(--ink-soft);
  text-align:center;margin-top:10px;
}
@media (max-width:600px){
  .gfc-gallery{grid-template-columns:1fr;}
}
.gfc-iso-compare{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:24px;}
.gfc-iso-item{background:transparent;border:none;padding:16px;text-align:center;}
.gfc-iso-item img{width:100%;height:320px;object-fit:contain;background:transparent;border:none;border-radius:var(--radius);display:block;margin-bottom:12px;}
.gfc-iso-label{font-family:var(--ff-mono);font-size:12px;color:var(--ink);}
.gfc-iso-label em{color:var(--ink-soft);font-style:normal;}
@media (max-width:600px){
  .gfc-iso-compare{grid-template-columns:1fr;}
}
.gfc-detail-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:1px;}
.gfc-cycle{text-align:center;margin:32px 0;}
.gfc-cycle svg{max-width:400px;width:100%;height:auto;display:inline-block;}
.gfc-block{background:#fff;padding:28px 24px;}
.gfc-block-mark{
  font-family:var(--ff-mono);font-size:14px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--red);display:block;margin-bottom:12px;
  font-weight:700;text-align:center;
}
.gfc-block p{font-size:14px;color:var(--ink-soft);}
.gfc-objectives{background:var(--paper-warm);border:1px solid var(--line);border-top:none;padding:28px 24px;}
.gfc-objectives-list{
  display:grid;grid-template-columns:1fr;gap:8px;margin-top:14px;
}
.gfc-objectives-list li{font-size:14px;color:var(--ink);padding-left:20px;position:relative;white-space:nowrap;}
.gfc-objectives-list li::before{content:"—";position:absolute;left:0;color:var(--red);}
@media (max-width:900px){
  .gfc-detail-grid{grid-template-columns:1fr;}
  .gfc-objectives-list{grid-template-columns:1fr;}
}

/* ============ CONTACTOS ============ */
.contact{background:var(--navy);color:#fff;padding:150px 0 80px;}
.contact .container{max-width:1000px;}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;}
.contact-info h2{color:#fff;font-size:clamp(20px,2.1vw,28px);margin-bottom:18px;white-space:nowrap;}
.contact-info>p{color:rgba(255,255,255,.7);margin-bottom:28px;max-width:420px;font-size:14px;}
.contact-block{margin-bottom:18px;}
.contact-block .eyebrow.on-dark{margin-bottom:10px;}
.contact-block a,.contact-block span{font-size:16px;color:#fff;display:block;}
.contact-block .sub{font-size:13px;color:rgba(255,255,255,.6);margin-top:2px;}

form{display:flex;flex-direction:column;gap:18px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
label{font-family:var(--ff-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-light);margin-bottom:8px;display:block;}
input,textarea{
  width:100%;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.25);
  color:#fff;padding:13px 14px;border-radius:var(--radius);
  font-family:var(--ff-body);font-size:16px;
}
input::placeholder,textarea::placeholder{color:rgba(255,255,255,.35);}
input:focus,textarea:focus{outline:none;border-color:var(--red);background:rgba(255,255,255,.09);}
textarea{resize:vertical;min-height:110px;}
.form-submit{
  font-family:var(--ff-mono);font-size:13px;letter-spacing:.05em;text-transform:uppercase;
  background:var(--red);color:#fff;padding:15px 26px;border:none;border-radius:var(--radius);
  cursor:pointer;align-self:flex-start;transition:background .2s,transform .2s;
}
.form-submit:hover{background:#c40000;transform:translateY(-2px);}
.form-note{font-size:12px;color:rgba(255,255,255,.45);margin-top:-6px;}

/* ============ FOOTER ============ */
.contact-map{line-height:0;}
.contact-map iframe{display:block;filter:grayscale(15%);}

footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 32px;}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:36px;flex-wrap:wrap;gap:40px;}
.footer-logos{display:flex;align-items:center;gap:20px;}
.footer-logos img.logo-maficeti{height:34px;}
.footer-logos .brand-divider{height:30px;}
.footer-logos img.logo-avia{height:30px;}
.footer-cols{display:flex;gap:56px;flex-wrap:wrap;}
.footer-col{display:flex;flex-direction:column;gap:8px;}
.footer-col-title{
  font-family:var(--ff-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink);margin-bottom:4px;
}
.footer-col span,.footer-col a{font-size:13px;color:var(--ink-soft);}
.footer-col a:hover{color:var(--ink);}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-family:var(--ff-mono);font-size:11px;color:var(--ink-soft);letter-spacing:.03em;
}

/* ============ RESPONSIVE ============ */
@media (max-width:900px){
  nav{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:24px 32px;border-bottom:1px solid var(--line);gap:20px;display:none;}
  nav.open{display:flex;}
  .nav-toggle{display:block;}
  .nav-dropdown{flex-direction:column;align-items:flex-start;width:100%;}
  .nav-dropdown-menu{
    position:static;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:none;padding:0 0 0 16px;margin-top:10px;
    min-width:0;
  }
  .company-grid,.contact-grid{grid-template-columns:1fr;gap:48px;}
  .contact-info h2{white-space:normal;}
  .pillars{grid-template-columns:1fr;}
  .product-grid{grid-template-columns:1fr 1fr;}
  .service-grid{grid-template-columns:1fr 1fr;}
  .service-grid{grid-template-columns:1fr;}
  .spec-strip{grid-template-columns:1fr 1fr;}
  .spec-strip div:nth-child(2){border-right:none;}
  .form-row{grid-template-columns:1fr;}
}
@media (max-width:560px){
  .product-grid{grid-template-columns:1fr;}
  .header-inner{padding:12px 20px;}
  .container,.hero-inner{padding:0 20px;}
  section{padding:80px 0;}
  .avia-seal-text{display:none;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}

/* ============ PAGE HEADER (páginas internas) ============ */
.page-hero{
  background:var(--navy);
  color:#fff;
  padding:150px 0 56px;
}
.page-hero-red{background:var(--red);}
.page-hero-banner{
  background-size:cover;
  background-position:center;
  padding:260px 0 140px;
}
.page-hero .container{max-width:1200px;}
.page-hero h1{font-size:clamp(30px,4vw,44px);margin-bottom:14px;}
.page-hero p{color:rgba(255,255,255,.85);font-size:16px;max-width:100%;}
@media (min-width:900px){
  .page-hero h1,.page-hero p{white-space:nowrap;}
}

nav a.active{color:var(--ink);font-weight:600;}