/* Grupo Nacional Serviços — refinamento comercial V3 */
:root{--v3-gold:#f2bd3d;--v3-green:#0b3b2c;--v3-ink:#071a13;--v3-soft:#f3f7f5}
html{scroll-behavior:smooth}
body{background:#fff;color:#13241d}
.site-header{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.hero-premium{min-height:720px;display:grid;align-items:center;position:relative;isolation:isolate}
.hero-premium:after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 72% 38%,rgba(242,189,61,.2),transparent 30%)}
.hero-copy h1{max-width:850px;font-size:clamp(2.55rem,5.8vw,5.25rem);line-height:.98;letter-spacing:-.055em;text-wrap:balance}
.hero-copy>p{max-width:690px;font-size:clamp(1.05rem,1.7vw,1.3rem);line-height:1.65}
.hero-panel{border:1px solid rgba(255,255,255,.18);box-shadow:0 28px 80px rgba(0,0,0,.3);background:linear-gradient(145deg,rgba(255,255,255,.15),rgba(255,255,255,.07));backdrop-filter:blur(18px)}
.trust-bar{position:relative;z-index:2;box-shadow:0 18px 50px rgba(7,26,19,.08)}
.trust-grid>div{padding:24px 22px}.trust-grid strong{font-size:clamp(1.25rem,2vw,1.65rem)}
.section{padding-block:clamp(72px,9vw,128px)}
.section-heading h2,.company-copy h2,.quote-copy h2,.faq-layout h2{font-size:clamp(2rem,4vw,3.65rem);line-height:1.05;letter-spacing:-.045em;text-wrap:balance}
.solution-card,.credibility-card,.case-card{transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.solution-card:hover,.credibility-card:hover,.case-card:hover{transform:translateY(-7px);box-shadow:0 24px 55px rgba(7,26,19,.13);border-color:rgba(11,59,44,.2)}
.case-media{min-height:330px}.case-media img{transition:transform .5s ease}.case-card:hover .case-media img{transform:scale(1.04)}
.btn{transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.btn:hover{transform:translateY(-2px)}
.btn-gold{box-shadow:0 12px 30px rgba(242,189,61,.22)}
.quote-section{background:linear-gradient(135deg,#eff6f2 0%,#fff 55%,#f7f2e5 100%)}
.quote-form{box-shadow:0 28px 80px rgba(7,26,19,.12);border:1px solid rgba(11,59,44,.12)}
.whatsapp-float{box-shadow:0 14px 35px rgba(9,65,42,.3)}
.service-hero,.city-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#061a12,#0c3e2d)}
.service-hero:after,.city-hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-130px;top:-180px;background:rgba(242,189,61,.14)}
.service-hero-grid,.city-hero-grid{position:relative;z-index:1}
.service-hero h1,.city-hero h1{font-size:clamp(2.35rem,5vw,4.75rem);line-height:1;letter-spacing:-.05em;text-wrap:balance}
.service-summary,.city-hero-card{box-shadow:0 25px 70px rgba(0,0,0,.25);backdrop-filter:blur(15px)}
/* Safari/iPhone: filtros no ancestral quebram o position:fixed do menu. */
@media(max-width:860px){.site-header{-webkit-backdrop-filter:none!important;backdrop-filter:none!important}}
@media(max-width:760px){.hero-premium{min-height:auto;padding-block:72px 56px}.hero-copy h1{font-size:clamp(2.4rem,12vw,3.7rem)}.hero-actions .btn{width:100%;justify-content:center}.trust-grid{grid-template-columns:repeat(2,1fr)}.trust-grid>div{padding:18px 12px}.section{padding-block:68px}.case-media{min-height:250px}.whatsapp-float{left:14px;right:14px;bottom:14px;justify-content:center}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.solution-card,.credibility-card,.case-card,.case-media img,.btn{transition:none}}