/* ===== BLOCK BETON — "ENGENHARIA EDITORIAL" · institucional, sóbrio, premium · Impero Solutions ===== */
:root{
  --ink:#13120d; --ink2:#1a180f; --ink3:#221f16;            /* base quente, próxima do preto */
  --paper:#f3efe6; --concrete:#e8e2d4;                        /* off-whites quentes */
  --gold:#c6a25a; --gold-l:#dabd83; --amber-d:#9b7a30;        /* latão refinado — acento de texto */
  --amber:#FFAF18;                                            /* âncora da marca — uso mínimo */
  --line:#ddd6c7; --line-d:#2c2920;                           /* fios de 1px */
  --muted:#8b8573; --muted-l:#a59e8a; --white:#fff;
  --disp:'Fraunces',Georgia,'Times New Roman',serif;          /* serifa editorial — voz principal */
  --mono:'Space Mono',ui-monospace,monospace; --sans:'Inter',system-ui,sans-serif;
  --pad:clamp(22px,5.5vw,112px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--ink);color:var(--paper);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased;font-weight:400}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
em{font-style:italic;color:var(--gold);font-family:var(--disp)}
::selection{background:var(--gold);color:var(--ink)}

/* grão — bem sutil */
.grain{position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.03;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

.mono{font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em}

/* botões — sóbrios */
.btn{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);font-weight:400;font-size:.78rem;
  text-transform:uppercase;letter-spacing:.1em;padding:1.05rem 2.1rem;border:1px solid transparent;border-radius:1px;cursor:pointer;transition:.3s cubic-bezier(.2,.7,.2,1)}
.btn-amber{background:var(--gold);color:var(--ink)}
.btn-amber:hover{background:var(--gold-l);transform:translateY(-2px)}
.btn-line{background:transparent;border-color:rgba(243,239,230,.28);color:var(--paper)}
.btn-line:hover{border-color:var(--gold);color:var(--gold)}
.btn-block{width:100%;justify-content:center}

/* ===== HEADER ===== */
.hdr{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;gap:24px;
  padding:22px var(--pad);transition:.4s}
.hdr.scrolled{background:rgba(19,18,13,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-d);padding-top:14px;padding-bottom:14px}
.hdr-brand{display:flex;align-items:center;gap:11px;font-family:var(--disp);font-weight:500;font-size:1.22rem;letter-spacing:.005em;color:var(--paper)}
.hdr-brand b{font-weight:500;font-style:italic;color:var(--gold)}
.hdr-nav{display:flex;gap:32px;margin-left:auto}
.hdr-nav a{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:rgba(243,239,230,.7);transition:.25s;display:flex;gap:7px;align-items:baseline}
.hdr-nav a i{color:var(--gold);font-style:normal;font-size:.6rem}
.hdr-nav a:hover{color:var(--paper)}
.hdr-cta{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--paper);
  border:1px solid var(--gold);padding:.7rem 1.3rem;border-radius:1px;transition:.3s}
.hdr-cta span{transition:.25s;display:inline-block;color:var(--gold)}
.hdr-cta:hover{background:var(--gold);color:var(--ink)}.hdr-cta:hover span{color:var(--ink);transform:translateX(4px)}
.burger{display:none;flex-direction:column;gap:6px;background:none;border:0;cursor:pointer;margin-left:auto}
.burger span{width:26px;height:1.5px;background:var(--paper);display:block}

/* ===== HERO ===== */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding:0 var(--pad) clamp(38px,5vw,72px);overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:120%;object-fit:cover;filter:grayscale(.78) contrast(1.04) brightness(.4)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(19,18,13,.62) 0%,rgba(19,18,13,.24) 42%,rgba(19,18,13,.9) 100%),
  radial-gradient(120% 90% at 78% 8%,rgba(198,162,90,.1),transparent 56%)}
.hero-grid{position:absolute;inset:0;z-index:-1;opacity:.32;
  background-image:linear-gradient(rgba(243,239,230,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(243,239,230,.045) 1px,transparent 1px);
  background-size:clamp(72px,9vw,140px) clamp(72px,9vw,140px);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 62%);mask-image:linear-gradient(180deg,transparent,#000 62%)}
.hero-inner{position:relative;width:100%}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;
  color:rgba(243,239,230,.55);text-transform:uppercase;margin-bottom:clamp(22px,3vw,42px)}
.hero-meta span{position:relative;padding-left:17px}
.hero-meta span::before{content:"";position:absolute;left:0;top:50%;width:5px;height:5px;background:var(--gold);transform:translateY(-50%)}
.hero-h1{font-family:var(--disp);font-weight:430;font-optical-sizing:auto;line-height:.96;letter-spacing:-.018em;
  font-size:clamp(3rem,10.5vw,11rem);color:var(--paper);margin-bottom:clamp(30px,4vw,52px)}
.hero-h1 span{display:block;overflow:hidden}
.hero-h1 em{font-weight:430}
.hero-foot{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:30px;
  border-top:1px solid rgba(243,239,230,.16);padding-top:30px}
.hero-foot p{max-width:44ch;font-size:clamp(1.02rem,1.3vw,1.2rem);color:rgba(243,239,230,.8);line-height:1.55}
.hero-foot strong{color:var(--paper);font-weight:500}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-side{position:absolute;right:calc(var(--pad) - 14px);top:0;bottom:0;display:flex;align-items:center;z-index:-1}
.hero-side span{font-family:var(--mono);font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;color:rgba(243,239,230,.28);
  writing-mode:vertical-rl}
.hero-scroll{position:absolute;left:var(--pad);bottom:20px;font-family:var(--mono);font-size:.6rem;letter-spacing:.22em;color:rgba(243,239,230,.45);display:flex;align-items:center;gap:10px}
.hero-scroll span{width:1px;height:32px;background:rgba(243,239,230,.32);position:relative;overflow:hidden}
.hero-scroll span::after{content:"";position:absolute;top:-32px;left:0;width:100%;height:32px;background:var(--gold);animation:scrolld 2.2s infinite}
@keyframes scrolld{to{top:32px}}

/* ===== TICKER (ex-marquee) — discreto ===== */
.marquee{background:var(--ink2);color:var(--muted-l);overflow:hidden;padding:15px 0;border-top:1px solid var(--line-d);border-bottom:1px solid var(--line-d)}
.marquee-track{display:flex;align-items:center;gap:34px;width:max-content;animation:marq 50s linear infinite;white-space:nowrap}
.marquee-track span{font-family:var(--mono);font-weight:400;font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:rgba(243,239,230,.62)}
.marquee-track i{color:var(--gold);opacity:.7;font-style:normal;font-size:.6rem}
@keyframes marq{to{transform:translateX(-50%)}}

/* ===== MANIFESTO ===== */
.manifesto{background:var(--paper);color:var(--ink);padding:clamp(80px,12vw,164px) var(--pad)}
.manifesto .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber-d);display:block;margin-bottom:34px}
.manifesto p{font-family:var(--disp);font-weight:380;font-size:clamp(1.7rem,4vw,3.3rem);line-height:1.22;letter-spacing:-.012em;max-width:22ch}
.manifesto em{color:var(--amber-d)}

/* ===== STATS ===== */
.stats{background:var(--ink);display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:clamp(42px,5vw,72px) clamp(20px,2.5vw,44px);border-right:1px solid var(--line-d);border-top:1px solid var(--line-d)}
.stat:last-child{border-right:0}
.stat .n{font-family:var(--disp);font-weight:380;font-size:clamp(2.6rem,6vw,5rem);line-height:.92;color:var(--paper);display:flex;align-items:baseline;letter-spacing:-.02em}
.stat .n i{color:var(--gold);font-style:normal;font-size:.5em;margin-left:.06em}
.stat p{font-family:var(--mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-l);margin-top:18px}

/* ===== SECTIONS base ===== */
.sec{padding:clamp(78px,11vw,160px) var(--pad)}
.sec-head{margin-bottom:clamp(46px,6vw,84px);max-width:780px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-num{font-family:var(--mono);font-size:.74rem;letter-spacing:.16em;color:var(--gold);display:inline-block;margin-bottom:22px}
.sec-num.light{color:var(--gold)}
.sec h2{font-family:var(--disp);font-weight:400;font-size:clamp(2rem,5vw,3.9rem);line-height:1.04;letter-spacing:-.02em;color:var(--paper)}
.sec-lead{font-size:clamp(1.02rem,1.4vw,1.22rem);color:var(--muted-l);margin-top:24px;max-width:56ch;line-height:1.6}
.sec-lead.light{color:rgba(243,239,230,.72)}

/* ===== PRODUTOS (image-forward) ===== */
#produtos{background:var(--ink)}
.pgrid{display:flex;flex-direction:column;gap:clamp(52px,7vw,116px)}
.pcard{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,4.5vw,80px);align-items:center}
.pcard:nth-child(even) .pcard-img{order:2}
.pcard-img{display:block;overflow:hidden;border:1px solid var(--line-d);aspect-ratio:4/3;position:relative}
.pcard-img::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 58%,rgba(19,18,13,.42))}
.pcard-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(.72) contrast(1.04);
  transition:filter .7s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.pcard:hover .pcard-img img{filter:grayscale(.2) contrast(1.02);transform:scale(1.04)}
.pcard-body .pn{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:20px}
.pcard-body h3{font-family:var(--disp);font-weight:420;font-size:clamp(1.7rem,3.4vw,2.9rem);line-height:1.02;letter-spacing:-.02em;color:var(--paper)}
.pcard-body p{color:var(--muted-l);font-size:1.05rem;margin-top:18px;max-width:44ch;line-height:1.6}
.ptags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.ptags span{font-family:var(--mono);font-size:.64rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-l);border:1px solid var(--line-d);border-radius:30px;padding:7px 14px}
.plink{display:inline-flex;align-items:center;gap:9px;margin-top:28px;font-family:var(--mono);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);border-bottom:1px solid transparent;padding-bottom:3px;transition:.3s}
.plink:hover{border-color:var(--gold);gap:15px}

/* ===== SISTEMA ===== */
.sistema{background:var(--ink2);border-top:1px solid var(--line-d)}
.sis-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(44px,7vw,116px);align-items:start}
.sis-l h2{font-size:clamp(2.2rem,5.5vw,4.2rem)}
.sis-l .btn{margin-top:34px}
.bignum{display:flex;flex-wrap:wrap;align-items:baseline;gap:26px;border-bottom:1px solid var(--line-d);padding-bottom:38px;margin-bottom:38px}
.bignum b{font-family:var(--disp);font-weight:340;font-size:clamp(6rem,15vw,12rem);line-height:.82;color:var(--gold);letter-spacing:-.03em}
.bignum b i{font-style:normal;font-size:.36em}
.bignum span{flex:1;min-width:200px;color:rgba(243,239,230,.74);font-size:1.06rem;line-height:1.55}
.speclist{list-style:none}
.speclist li{display:flex;gap:22px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line-d);font-size:1.06rem;color:rgba(243,239,230,.86)}
.speclist li:last-child{border-bottom:0}
.speclist li i{font-family:var(--mono);font-style:normal;color:var(--gold);font-size:.76rem}

/* ===== MÉTODO ===== */
#metodo{background:var(--paper);color:var(--ink)}
#metodo h2{color:var(--ink)}
.method{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.method .m{padding:38px 28px 44px;border-right:1px solid var(--line)}
.method .m:last-child{border-right:0}
.method .m span{font-family:var(--disp);font-weight:340;font-size:2.6rem;color:var(--amber-d)}
.method .m h3{font-family:var(--disp);font-weight:500;font-size:1.28rem;margin:16px 0 12px;letter-spacing:-.01em;color:var(--ink)}
.method .m p{color:#5e5a4e;font-size:.96rem;line-height:1.6}

/* ===== QUALIDADE ===== */
.qualidade{background:var(--concrete);color:var(--ink)}
.qualidade h2{color:var(--ink)}
.qualidade .sec-lead{color:#5e5a4e;margin-inline:auto}
.seals{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;margin-top:12px}
.seal{display:flex;flex-direction:column;align-items:center;gap:14px;background:#fbf9f4;border:1px solid var(--line);padding:30px 16px;text-align:center}
.seal img{height:74px;width:auto;object-fit:contain}
.seal span{font-family:var(--mono);font-size:.64rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.seal.t b{font-family:var(--disp);font-weight:500;font-size:1.55rem;color:var(--ink)}
.qnote{text-align:center;margin-top:40px;color:#5e5a4e}
.qnote a{color:var(--amber-d);font-family:var(--mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid currentColor;padding-bottom:2px}

/* ===== EMPRESA ===== */
.empresa{background:var(--ink);border-top:1px solid var(--line-d)}
.emp-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(38px,5vw,84px);align-items:center}
.emp-media{overflow:hidden;border:1px solid var(--line-d);aspect-ratio:4/5}
.emp-media img{width:100%;height:100%;object-fit:cover;filter:grayscale(.62) contrast(1.04)}
.emp-text h2{font-size:clamp(1.8rem,3.8vw,3rem);letter-spacing:-.02em;line-height:1.08}
.emp-text p{color:var(--muted-l);margin-top:22px;font-size:1.06rem;line-height:1.65}
.emp-text strong{color:var(--paper);font-weight:500}
.emp-meta{display:flex;flex-wrap:wrap;gap:16px 44px;margin-top:36px;border-top:1px solid var(--line-d);padding-top:28px}
.emp-meta i{font-family:var(--mono);font-style:normal;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);display:block}
.emp-meta span{color:rgba(243,239,230,.8);font-size:.96rem;margin-top:4px;display:block}

/* ===== OBRAS / depoimentos ===== */
.obras{background:var(--ink2);border-top:1px solid var(--line-d)}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.quotes figure{border-left:1px solid var(--gold);padding:6px 0 6px 28px}
.quotes blockquote{font-family:var(--disp);font-weight:380;font-style:italic;font-size:clamp(1.2rem,1.7vw,1.55rem);line-height:1.32;letter-spacing:-.01em;color:var(--paper);margin-bottom:24px}
.quotes figcaption b{color:var(--gold);font-family:var(--mono);font-weight:400;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}
.quotes figcaption span{display:block;color:var(--muted);font-size:.8rem;margin-top:5px}

/* ===== FAQ ===== */
.faq-sec{background:var(--ink)}
.faq details{border-bottom:1px solid var(--line-d)}
.faq summary{font-family:var(--disp);font-weight:420;font-size:clamp(1.12rem,2vw,1.55rem);padding:28px 50px 28px 0;cursor:pointer;list-style:none;position:relative;color:var(--paper);letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.6rem;color:var(--gold);font-weight:300;font-family:var(--sans)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted-l);padding:0 50px 30px 0;max-width:72ch;line-height:1.65}

/* ===== CONTATO — claro, institucional ===== */
.contato{background:var(--paper);color:var(--ink)}
.contato .sec-num{color:var(--amber-d)}
.contato h2{color:var(--ink)}
.ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:start}
.ct-l h2{font-size:clamp(2rem,4.6vw,3.7rem);letter-spacing:-.02em;line-height:1.04}
.ct-l h2 em{color:var(--amber-d)}
.ct-l .light{color:#5e5a4e;margin-top:22px;max-width:40ch;line-height:1.6}
.ct-list{list-style:none;margin-top:40px}
.ct-list li{display:flex;flex-direction:column;padding:18px 0;border-top:1px solid var(--line)}
.ct-list li i{font-family:var(--mono);font-style:normal;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.ct-list li a,.ct-list li span{font-family:var(--disp);font-weight:480;font-size:1.24rem;color:var(--ink);margin-top:5px}
.ct-list li a:hover{color:var(--amber-d)}
.ct-form{background:var(--ink);padding:clamp(28px,3vw,42px);border-radius:2px}
.fld{display:flex;flex-direction:column;margin-bottom:16px}
.fld2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fld label{font-family:var(--mono);font-size:.62rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-l);margin-bottom:8px}
.fld input,.fld select,.fld textarea{font-family:var(--sans);font-size:16px;padding:.85rem .95rem;background:var(--ink3);border:1px solid var(--line-d);border-radius:2px;color:var(--paper)}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--gold)}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.78rem;color:var(--muted-l);margin:10px 0 20px}
.consent a{color:var(--gold);text-decoration:underline}

/* ===== FOOTER ===== */
.ftr{background:var(--ink);padding:clamp(54px,6vw,100px) var(--pad) 32px;border-top:1px solid var(--line-d)}
.ftr-big{font-family:var(--disp);font-weight:330;font-size:clamp(3.4rem,16vw,16rem);line-height:.82;letter-spacing:-.03em;color:transparent;-webkit-text-stroke:1px var(--line-d);text-stroke:1px var(--line-d);margin-bottom:clamp(34px,5vw,74px);text-align:center}
.ftr-big span{font-style:italic;color:transparent;-webkit-text-stroke:1px var(--gold)}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid var(--line-d)}
.ftr-grid p{color:var(--muted-l);font-size:.93rem;line-height:1.7}
.ftr-grid .legal{margin-top:16px;font-size:.78rem;color:var(--muted)}
.fcol i{font-family:var(--mono);font-style:normal;font-size:.64rem;text-transform:uppercase;letter-spacing:.12em;color:var(--gold);display:block;margin-bottom:16px}
.fcol a{display:block;padding:6px 0;color:var(--muted-l);font-size:.93rem;transition:.25s}
.fcol a:hover{color:var(--paper)}
.ftr-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:24px;font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.ftr-bot .credit b{color:var(--gold);font-weight:400}

/* ===== WA ===== */
.wa{position:fixed;right:20px;bottom:20px;z-index:900;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -10px rgba(37,211,102,.5);transition:.25s}
.wa:hover{transform:scale(1.07)}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== responsive ===== */
@media(max-width:980px){
  .hdr-nav,.hdr-cta{display:none}
  .burger{display:flex}
  .hdr-nav.open{display:flex;position:fixed;inset:62px 0 auto 0;flex-direction:column;gap:8px;background:var(--ink);padding:22px var(--pad);border-bottom:1px solid var(--line-d)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .sis-grid,.emp-grid,.ct-grid{grid-template-columns:1fr}
  .method{grid-template-columns:repeat(2,1fr)}
  .method .m:nth-child(2){border-right:0}
  .quotes{grid-template-columns:1fr}
  .seals{grid-template-columns:repeat(3,1fr)}
  .pcard{grid-template-columns:1fr;gap:20px}
  .pcard:nth-child(even) .pcard-img{order:0}
  .pcard-img{aspect-ratio:16/10}
  .emp-media{aspect-ratio:16/10}
  .ftr-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .stat{border-right:0}
  .stat:nth-child(odd){border-right:1px solid var(--line-d)}
  .seals{grid-template-columns:repeat(2,1fr)}
  .method{grid-template-columns:1fr}.method .m{border-right:0;border-bottom:1px solid var(--line)}
  .fld2{grid-template-columns:1fr}
  .hero-side{display:none}
  .ftr-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
  .marquee-track{animation:none!important}
}