:root {
  --graphite: #1A1A1A;
  --graphite-2: #121212;
  --graphite-3: #222224;
  --line: #2F2F31;
  --metal: #6B6B6B;
  --metal-light: #A3A19D;
  --gold: #D6B08A;
  --gold-light: #F0DCC0;
  --gold-deep: #9C7A52;
  --gold-grad: linear-gradient(115deg, #8A6B45 0%, #C9A27A 30%, #F3DFC0 50%, #C9A27A 70%, #8A6B45 100%);
  --off: #F5F3EE;
  --off-2: #E9E6DF;
  --ink: #1A1A1A;
  --max: 1200px;
  --ease: cubic-bezier(.2,.7,.2,1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { font-family: 'Montserrat', system-ui, sans-serif; font-weight: 300; background: var(--graphite); color: var(--off); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; overflow-x: clip; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(var(--max), 100% - 40px); margin-inline: auto; }

.eyebrow { font-size: 12px; font-weight: 500; letter-spacing: .32em; text-transform: uppercase; color: var(--gold); display: inline-flex; align-items: center; gap: 14px; }
.eyebrow::before { content: ''; width: 34px; height: 1px; background: var(--gold); }
h1, h2, h3 { font-weight: 300; letter-spacing: .02em; line-height: 1.15; }
h2 { font-size: clamp(30px, 4vw, 46px); margin-top: 18px; }
h2 strong, h1 strong { font-weight: 500; background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--metal-light); font-size: 17px; max-width: 560px; margin-top: 18px; }
.rule { width: 64px; height: 1px; background: var(--gold); margin: 26px 0; }

.btn { display: inline-flex; align-items: center; gap: 12px; padding: 16px 30px; font-size: 13px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; border: 1px solid var(--gold); transition: .35s var(--ease); cursor: pointer; font-family: inherit; }
.btn-gold { background: var(--gold); color: var(--graphite); }
.btn-gold:hover { background: var(--gold-light); border-color: var(--gold-light); }
.btn-ghost { color: var(--off); background: transparent; }
.btn-ghost:hover { background: rgba(214,176,138,.12); }
.btn svg { width: 16px; height: 16px; }

/* header */
header { position: fixed; inset: 0 0 auto; z-index: 50; isolation: isolate; }
header::before { content: ''; position: absolute; inset: 0; z-index: -1; background: rgba(18,18,18,.92); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); opacity: 0; transition: opacity .4s var(--ease); }
header.scrolled::before { opacity: 1; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 86px; transition: height .4s var(--ease); }
header.scrolled .nav { height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { width: 42px; height: 42px; }
.brand-name { display: flex; flex-direction: column; line-height: 1; }
.brand-name b { font-weight: 400; font-size: 19px; letter-spacing: .26em; background: var(--gold-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.brand-name span { font-size: 9px; letter-spacing: .5em; color: var(--metal-light); margin-top: 5px; text-transform: uppercase; }
.menu { display: flex; align-items: center; gap: 34px; list-style: none; }
.menu a { font-size: 12px; font-weight: 400; letter-spacing: .18em; text-transform: uppercase; color: var(--metal-light); transition: color .3s; }
.menu a:hover { color: var(--gold); }
.menu .btn { padding: 12px 22px; color: var(--graphite); }
.menu .btn:hover { color: var(--graphite); }
.burger { display: none; background: none; border: 0; width: 44px; height: 44px; margin-right: -6px; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 8px; right: 8px; height: 1px; background: var(--gold); transition: .3s; }
.burger span:nth-child(1) { top: 15px; } .burger span:nth-child(2) { top: 22px; } .burger span:nth-child(3) { top: 29px; }
.menu-open .burger span:nth-child(1) { top: 22px; transform: rotate(45deg); }
.menu-open .burger span:nth-child(2) { opacity: 0; }
.menu-open .burger span:nth-child(3) { top: 22px; transform: rotate(-45deg); }

/* hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; padding: 140px 0 70px; isolation: isolate; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -2; background: url(../img/hero.jpg) center 60% / cover no-repeat; transform: scale(1.06); animation: heroZoom 14s var(--ease) forwards; }
@keyframes heroZoom { to { transform: scale(1); } }
.hero::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(18,18,18,.94) 0%, rgba(18,18,18,.72) 45%, rgba(18,18,18,.25) 100%), linear-gradient(0deg, rgba(18,18,18,.95) 0%, transparent 45%); }
.hero h1 { font-size: clamp(38px, 6vw, 76px); max-width: 800px; margin-top: 22px; }
.hero .lead { font-size: 18px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 38px; }
.hero-systems { display: flex; flex-wrap: wrap; gap: 14px 34px; margin-top: 70px; padding-top: 26px; border-top: 1px solid rgba(214,176,138,.25); font-size: 12px; letter-spacing: .3em; text-transform: uppercase; color: var(--metal-light); }
.hero-systems span { display: inline-flex; align-items: center; gap: 12px; }
.hero-systems span::before { content: ''; width: 6px; height: 6px; background: var(--gold); transform: rotate(45deg); }

/* seções */
.section { padding: 120px 0; }
.light { background: var(--off); color: var(--ink); }
.light .lead { color: #5b5a57; }
.light .eyebrow { color: var(--gold-deep); }
.light .eyebrow::before { background: var(--gold-deep); }
.light h2 strong { background: linear-gradient(115deg, #7A5C38, #B88F63 50%, #7A5C38); -webkit-background-clip: text; background-clip: text; }
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; margin-bottom: 60px; }
.head .lead { margin-top: 0; max-width: 440px; }
.head.center { justify-content: center; text-align: center; }

/* serviços */
.services { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.svc { position: relative; overflow: hidden; min-height: 380px; display: flex; align-items: flex-end; color: var(--off); grid-column: span 2; background: var(--graphite); }
.svc.wide { grid-column: span 3; min-height: 440px; }
.svc img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease), filter .6s; filter: saturate(.85); }
.svc::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(18,18,18,.95) 0%, rgba(18,18,18,.35) 55%, rgba(18,18,18,.1) 100%); }
.svc:hover img { transform: scale(1.06); filter: saturate(1); }
.svc-body { position: relative; z-index: 1; padding: 32px; }
.svc-num { font-size: 12px; letter-spacing: .3em; color: var(--gold); }
.svc h3 { font-size: 24px; font-weight: 400; margin: 10px 0 10px; }
.svc p { font-size: 14.5px; color: #cfccc6; max-width: 420px; }
.svc-line { width: 40px; height: 1px; background: var(--gold); margin-top: 18px; transition: width .5s var(--ease); }
.svc:hover .svc-line { width: 90px; }

/* sistemas */
.systems { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); }
.sys { padding: 48px 40px; border-right: 1px solid var(--line); position: relative; transition: background .4s; }
.sys:last-child { border-right: 0; }
.sys:hover { background: var(--graphite-3); }
.sys svg { width: 58px; height: 58px; stroke: var(--gold); fill: none; stroke-width: 1.2; }
.sys h3 { font-size: 20px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; margin: 28px 0 6px; }
.sys .tag { font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--gold); }
.sys p { color: var(--metal-light); font-size: 15px; margin-top: 18px; }
.benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 70px; }
.benefit b { display: block; font-size: 15px; font-weight: 500; letter-spacing: .06em; color: var(--off); margin-bottom: 8px; }
.benefit b::before { content: ''; display: block; width: 26px; height: 1px; background: var(--gold); margin-bottom: 18px; }
.benefit p { font-size: 14px; color: var(--metal-light); }

/* sobre / alto padrão */
.about { display: grid; grid-template-columns: 1.05fr 1fr; gap: 80px; align-items: center; }
.about-media { position: relative; }
.about-media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.about-media::before { content: ''; position: absolute; inset: -18px 18px 18px -18px; border: 1px solid var(--gold-deep); z-index: -1; }
.about-media { isolation: isolate; }
.about-badge { position: absolute; right: -28px; bottom: 40px; max-width: 250px; background: var(--graphite); color: var(--off); padding: 26px 30px; border-left: 2px solid var(--gold); }
.about-badge b { display: block; font-size: 13px; letter-spacing: .24em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; font-weight: 500; }
.about-badge span { font-size: 14px; color: #cfccc6; }
.about ul { list-style: none; margin-top: 30px; display: grid; gap: 16px; }
.about li { display: flex; gap: 16px; font-size: 15.5px; color: #3c3b39; }
.about li::before { content: ''; flex: none; width: 8px; height: 8px; margin-top: 9px; background: var(--gold-deep); transform: rotate(45deg); }

/* frase */
.quote { position: relative; padding: 150px 0; text-align: center; isolation: isolate; overflow: hidden; }
.quote::before { content: ''; position: absolute; inset: 0; z-index: -2; background: url(../img/interior.jpg) center / cover; }
.quote::after { content: ''; position: absolute; inset: 0; z-index: -1; background: rgba(18,18,18,.82); }
.quote p { font-size: clamp(26px, 3.6vw, 44px); font-weight: 200; letter-spacing: .14em; text-transform: uppercase; line-height: 1.45; }
.quote .rule { margin: 34px auto 0; }

/* processo */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: s; }
.step { padding: 0 30px 0 0; position: relative; }
.step-n { font-size: 54px; font-weight: 200; color: transparent; -webkit-text-stroke: 1px var(--gold-deep); line-height: 1; }
.step-bar { height: 1px; background: #cfcbc2; margin: 26px 0; position: relative; }
.step-bar::after { content: ''; position: absolute; left: 0; top: -3px; width: 7px; height: 7px; background: var(--gold-deep); transform: rotate(45deg); }
.step h3 { font-size: 17px; font-weight: 500; letter-spacing: .04em; }
.step p { font-size: 14.5px; color: #5b5a57; margin-top: 10px; }

/* região */
.region { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.region-map { position: relative; aspect-ratio: 1.25; border: 1px solid var(--line); background:
  radial-gradient(circle at 50% 50%, rgba(214,176,138,.08), transparent 60%),
  repeating-linear-gradient(0deg, transparent 0 39px, rgba(255,255,255,.035) 39px 40px),
  repeating-linear-gradient(90deg, transparent 0 39px, rgba(255,255,255,.035) 39px 40px); }
.region-map svg { position: absolute; inset: 8%; width: 84%; height: 84%; }
.cities { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.cities span { font-size: 13px; letter-spacing: .08em; padding: 9px 16px; border: 1px solid var(--line); color: var(--metal-light); }
.region small { display: block; margin-top: 22px; font-size: 13px; color: var(--metal); }

/* faq */
.faq { max-width: 860px; margin-inline: auto; }
.faq details { border-bottom: 1px solid #d6d2c9; }
.faq summary { list-style: none; cursor: pointer; padding: 26px 50px 26px 0; position: relative; font-size: 17px; font-weight: 400; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-size: 26px; font-weight: 200; color: var(--gold-deep); transition: transform .3s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 50px 26px 0; color: #5b5a57; font-size: 15px; }

/* contato */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; }
.contact-info { display: grid; gap: 26px; margin-top: 40px; }
.ci { display: flex; gap: 18px; align-items: flex-start; }
.ci svg { width: 22px; height: 22px; stroke: var(--gold); fill: none; stroke-width: 1.3; flex: none; margin-top: 3px; }
.ci small { display: block; font-size: 11px; letter-spacing: .26em; text-transform: uppercase; color: var(--metal); }
.ci a, .ci span { font-size: 16px; color: var(--off); overflow-wrap: anywhere; }
.ci > div { min-width: 0; }
.ci a:hover { color: var(--gold); }
form { background: var(--graphite-3); border: 1px solid var(--line); padding: 46px; display: grid; gap: 22px; grid-template-columns: 1fr 1fr; }
form .full { grid-column: 1 / -1; }
label { display: grid; gap: 8px; font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--metal-light); }
input, select, textarea { font: inherit; font-size: 16px; width: 100%; min-width: 0; letter-spacing: normal; text-transform: none; color: var(--off); background: transparent; border: 0; border-bottom: 1px solid #4a4a4c; padding: 10px 0; outline: none; transition: border-color .3s; border-radius: 0; }
select option { background: var(--graphite); }
textarea { resize: vertical; min-height: 90px; }
input:focus, select:focus, textarea:focus { border-color: var(--gold); }
form .btn { justify-content: center; }
form .note { font-size: 12px; color: var(--metal); text-align: center; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

footer { background: var(--graphite-2); border-top: 1px solid var(--line); padding: 60px 0 36px; }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap; }
.foot p { font-size: 13px; color: var(--metal); }
.foot-bottom { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--metal); letter-spacing: .06em; }

.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 58px; height: 58px; border-radius: 50%; background: var(--gold); display: grid; place-items: center; box-shadow: 0 10px 30px rgba(0,0,0,.4); transition: transform .3s var(--ease); }
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; fill: var(--graphite); }

.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; } .reveal.d2 { transition-delay: .2s; } .reveal.d3 { transition-delay: .3s; }

/* fundo fixo (parallax) só em computador — iOS/iPad não suportam e ampliam a imagem */
@media (hover: hover) and (pointer: fine) and (min-width: 1001px) {
  .quote::before { background-attachment: fixed; }
}

@media (max-width: 1320px) { .about-badge { right: 16px; } }
@media (max-width: 1000px) {
  .services { grid-template-columns: 1fr 1fr; }
  .svc, .svc.wide { grid-column: span 1; min-height: 340px; }
  .svc.wide:first-child { grid-column: 1 / -1; }
  .systems { grid-template-columns: 1fr; }
  .sys { border-right: 0; border-bottom: 1px solid var(--line); }
  .sys:last-child { border-bottom: 0; }
  .benefits { grid-template-columns: 1fr 1fr; }
  .about, .region, .contact { grid-template-columns: 1fr; gap: 60px; }
  .about-badge { right: 16px; }
  .about-media { max-width: 520px; }
  .hero::before { background: linear-gradient(0deg, rgba(18,18,18,.97) 0%, rgba(18,18,18,.8) 55%, rgba(18,18,18,.5) 100%); }
  .steps { grid-template-columns: 1fr 1fr; gap: 50px 0; }
}
@media (max-width: 860px) {
  .burger { display: block; z-index: 2; }
  .menu { position: fixed; inset: 0; z-index: 1; height: 100vh; height: 100dvh; flex-direction: column; justify-content: center; gap: 30px; background: rgba(18,18,18,.98); opacity: 0; visibility: hidden; transition: opacity .35s, visibility 0s .35s; }
  .menu a { font-size: 15px; display: inline-block; padding: 6px 0; }
  .menu .btn { padding: 14px 28px; }
  .menu-open .menu { opacity: 1; visibility: visible; transition: opacity .35s; }
  .menu-open { overflow: hidden; }
  .menu-open header::before { opacity: 0; }
}
@media (max-width: 620px) {
  .section { padding: 90px 0; }
  .wrap { width: calc(100% - 32px); }
  .services { grid-template-columns: 1fr; }
  .svc.wide:first-child { grid-column: auto; }
  .benefits, .steps { grid-template-columns: 1fr; }
  form { grid-template-columns: 1fr; padding: 30px 22px; }
  .hero-systems { gap: 12px 22px; letter-spacing: .2em; font-size: 11px; }
  .hero::before { background: linear-gradient(0deg, rgba(18,18,18,.97) 0%, rgba(18,18,18,.82) 55%, rgba(18,18,18,.55) 100%); }
  .brand-name b { font-size: 16px; }
  .about-media::before { inset: -10px 10px 10px -10px; }
  .hero { padding: 120px 0 48px; }
  .hero .lead { font-size: 16px; }
  .hero-actions .btn { flex: 1 1 100%; justify-content: center; }
  .hero-systems { margin-top: 44px; }
  .head { margin-bottom: 40px; gap: 24px; }
  .svc-body { padding: 26px 22px; }
  .sys { padding: 38px 26px; }
  .about-badge { right: 12px; bottom: 20px; padding: 20px 22px; max-width: 220px; }
  .quote { padding: 110px 0; }
  .quote p { letter-spacing: .08em; }
  .step { padding-right: 0; }
  .faq summary { font-size: 16px; padding-right: 40px; }
  .faq details p { padding-right: 0; }
  .contact { gap: 48px; }
  .wa-float { width: 52px; height: 52px; right: 16px; bottom: 16px; }
  .wa-float svg { width: 25px; height: 25px; }
}
@media (max-width: 380px) {
  .wrap { width: calc(100% - 28px); }
  .hero h1 { font-size: 33px; }
  .btn { padding: 15px 18px; letter-spacing: .12em; font-size: 12px; }
  .eyebrow { letter-spacing: .22em; font-size: 11px; }
  .eyebrow::before { width: 22px; }
  .brand img { width: 36px; height: 36px; }
  .brand-name b { font-size: 14px; letter-spacing: .2em; }
  .brand-name span { letter-spacing: .38em; }
  .svc h3 { font-size: 21px; }
  .sys h3 { font-size: 17px; letter-spacing: .14em; }
  .sys .tag { letter-spacing: .14em; }
  .cities span { padding: 8px 12px; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-bg { animation: none; transform: none; }
}