:root{
  --navy:#0E2A4A;
  --navy-deep:#081B32;
  --amber:#F2A900;
  --amber-deep:#C98600;
  --ink:#20242B;
  --paper:#F7F5F0;
  --paper-elevated:#FFFFFF;
  --line:rgba(14,42,74,0.14);
  --muted:#5B6472;
  --radius:10px;
  --maxw:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',system-ui,sans-serif;
  color:var(--navy);
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
h1{font-size:clamp(2.1rem,5vw,3.4rem);}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);}
h3{font-size:1.2rem;}
p{margin:0 0 1em;color:var(--ink);}
a{color:var(--navy);}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
img{max-width:100%;display:block;}

/* voltage divider signature element */
.volt{
  width:64px;height:14px;
  display:block;margin:14px 0 22px;
}
.volt path{stroke:var(--amber);stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round;}

/* header */
header.site{
  position:sticky;top:0;z-index:50;
  background:var(--navy);
  border-bottom:3px solid var(--amber);
}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;max-width:var(--maxw);margin:0 auto;
  flex-wrap:wrap;gap:12px;
}
.logo{
  font-family:'Space Grotesk',sans-serif;
  font-weight:700;font-size:1.35rem;color:#fff;text-decoration:none;
  display:flex;align-items:baseline;gap:6px;
}
.logo span{color:var(--amber);}
nav.main{display:flex;flex-wrap:wrap;gap:4px 2px;}
nav.main a{
  color:#EAEFF6;text-decoration:none;font-size:.86rem;font-weight:500;
  padding:8px 10px;border-radius:6px;transition:background .2s,color .2s;
  white-space:nowrap;
}
nav.main a:hover,nav.main a:focus-visible{background:rgba(255,255,255,.1);color:var(--amber);}
.cta-phone{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--amber);color:var(--navy-deep);
  font-weight:700;text-decoration:none;
  padding:9px 16px;border-radius:999px;font-size:.88rem;
  transition:transform .2s,background .2s;
}
.cta-phone:hover{transform:translateY(-2px);background:#ffb81f;}

/* hero */
.hero{
  background:linear-gradient(180deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:#fff;padding:64px 0 84px;position:relative;overflow:hidden;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media(min-width:900px){.hero-grid{grid-template-columns:1.1fr .9fr;}}
.hero h1{color:#fff;}
.hero .eyebrow{
  color:var(--amber);font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;font-size:.78rem;margin-bottom:10px;display:block;
}
.hero p.lead{color:#D9E1EC;font-size:1.08rem;max-width:52ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 22px;border-radius:8px;font-weight:700;text-decoration:none;
  font-size:.95rem;transition:transform .2s,box-shadow .2s;
}
.btn-primary{background:var(--amber);color:var(--navy-deep);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(242,169,0,.35);}
.btn-outline{border:1.5px solid rgba(255,255,255,.4);color:#fff;}
.btn-outline:hover{border-color:var(--amber);color:var(--amber);}
.hero-fence{
  border:1.5px solid rgba(255,255,255,.15);border-radius:var(--radius);
  padding:26px;background:rgba(255,255,255,.04);
}
.hero-fence ul{margin:0;padding-left:0;list-style:none;}
.hero-fence li{
  display:flex;gap:10px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.08);
  color:#EAEFF6;font-size:.94rem;
}
.hero-fence li:last-child{border-bottom:none;}
.hero-fence li::before{content:"⚡";color:var(--amber);}

/* sections */
section{padding-block:60px;}
@media (min-width:768px){section{padding-block:88px;}}
.section-elevated{background:var(--paper-elevated);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow-line{
  text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:700;
  color:var(--amber-deep);margin-bottom:8px;display:block;
}
.grid-3{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:700px){.grid-3{grid-template-columns:repeat(3,1fr);}}
.grid-2{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:800px){.grid-2{grid-template-columns:1fr 1fr;}}
.card{
  background:var(--paper-elevated);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(14,42,74,.08);}
.card h3{margin-bottom:8px;}
.card p{color:var(--muted);margin-bottom:0;}
.tag{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;background:rgba(242,169,0,.14);color:var(--amber-deep);
  padding:4px 10px;border-radius:999px;margin-bottom:10px;
}
ul.check{list-style:none;padding:0;margin:0;}
ul.check li{padding:8px 0 8px 28px;position:relative;border-bottom:1px solid var(--line);color:var(--muted);}
ul.check li:last-child{border-bottom:none;}
ul.check li::before{content:"✓";position:absolute;left:0;color:var(--amber-deep);font-weight:700;}

.cities{display:flex;flex-wrap:wrap;gap:8px;}
.cities span{
  background:var(--paper);border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-size:.85rem;color:var(--navy);
}

.faq details{
  border-bottom:1px solid var(--line);padding:16px 0;
}
.faq summary{
  font-family:'Space Grotesk',sans-serif;font-weight:600;color:var(--navy);
  cursor:pointer;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;gap:12px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--amber-deep);font-size:1.3rem;font-weight:700;}
.faq details[open] summary::after{content:"–";}
.faq p{color:var(--muted);margin-top:10px;}

.cta-band{
  background:var(--navy);color:#fff;border-radius:var(--radius);
  padding:42px 32px;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
}
.cta-band h2{color:#fff;margin-bottom:6px;}
.cta-band p{color:#D9E1EC;margin-bottom:0;}

form.orcamento{display:grid;gap:14px;max-width:560px;}
form.orcamento label{font-weight:600;font-size:.88rem;color:var(--navy);display:block;margin-bottom:6px;}
form.orcamento input,form.orcamento select,form.orcamento textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px;
  font-family:inherit;font-size:.95rem;background:#fff;
}
form.orcamento button{
  justify-self:start;background:var(--amber);color:var(--navy-deep);border:none;
  padding:13px 26px;border-radius:8px;font-weight:700;cursor:pointer;font-size:.95rem;
}

footer.site{background:var(--navy-deep);color:#B9C4D2;padding:48px 0 24px;font-size:.88rem;}
footer.site .grid-3{gap:32px;}
footer.site h4{color:#fff;font-size:.95rem;}
footer.site a{color:#B9C4D2;text-decoration:none;}
footer.site a:hover{color:var(--amber);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:#7C8AA0;font-size:.8rem;
}

.wa-float{
  position:fixed;bottom:22px;right:22px;z-index:60;
  background:#25D366;color:#fff;width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;text-decoration:none;
  box-shadow:0 8px 22px rgba(0,0,0,.25);transition:transform .2s;
}
.wa-float:hover{transform:scale(1.08);}

.hamburger{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;}
@media(max-width:980px){
  nav.main{display:none;width:100%;flex-direction:column;background:var(--navy-deep);padding:10px 0;border-radius:8px;}
  nav.main.open{display:flex;}
  .hamburger{display:block;}
  .topbar{position:relative;}
}
.skip-link{position:absolute;left:-999px;top:0;background:#fff;color:var(--navy);padding:10px 14px;z-index:100;}
.skip-link:focus{left:10px;top:10px;}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;}