/* ==========================================================================
   GRAMARC — Landing Page
   ========================================================================== */

:root{
  --brand:#005F95;
  --brand-600:#004E7B;
  --brand-800:#013A5C;
  --brand-100:#E7F0F6;
  --sky:#8CC2E0;

  --deep:#04263A;
  --deep-2:#021B2A;

  --ink:#111820;
  --ink-2:#59636F;
  --ink-3:#8B949E;

  --paper:#FFFFFF;
  --sand:#F5F3EF;
  --line:#E4E1DB;
  --line-2:#EFEDE8;

  --wa:#25D366;
  --wa-d:#1DA851;

  --display:"Archivo",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;

  --wrap:1240px;
  --pad:clamp(20px,4vw,40px);
  --sec:clamp(76px,9vw,132px);
  --ease:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink-2);
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.68;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
address{font-style:normal}

h1,h2,h3,h4{
  font-family:var(--display);
  color:var(--ink);
  font-weight:600;
  margin:0;
  letter-spacing:-.028em;
}
h1{font-size:clamp(2.15rem,4.9vw,4rem);line-height:1.08}
h2{font-size:clamp(1.7rem,3.05vw,2.7rem);line-height:1.16;text-wrap:balance}
h3{font-family:var(--sans);font-weight:600;font-size:1.0625rem;line-height:1.4;letter-spacing:-.01em}
h4{font-family:var(--sans);font-weight:600;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase}
p{margin:0}
em{font-style:normal;font-weight:500;color:var(--brand)}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.sec{padding-block:var(--sec)}

.skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--ink);padding:12px 18px;z-index:999}
.skip:focus{left:12px;top:12px}

:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:2px}

/* ---------- reveal ---------- */
.reveal{
  opacity:0;transform:translateY(24px);
  transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s);
  will-change:opacity,transform;
}
.reveal.is-in{opacity:1;transform:none}

/* ---------- icons ---------- */
svg{display:block}
.ico-arr{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:transform .45s var(--ease)}
.ico-wa{width:19px;height:19px;fill:currentColor}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 26px;border-radius:3px;
  font-family:var(--sans);font-size:.9375rem;font-weight:500;letter-spacing:-.005em;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease),box-shadow .4s var(--ease);
  white-space:nowrap;
}
.btn:hover .ico-arr{transform:translateX(4px)}

.btn--wa{background:var(--brand);color:#fff;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.btn--wa:hover{background:var(--brand-600);transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(0,95,149,.75)}

.btn--ghost{color:#fff;border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.02)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}

.btn--outline{color:var(--ink);border:1px solid var(--line);background:#fff}
.btn--outline:hover{border-color:var(--brand);color:var(--brand)}

.btn--lg{padding:19px 32px;font-size:1.0625rem}

.lnk{
  display:inline-flex;align-items:center;gap:9px;
  color:var(--brand);font-weight:500;font-size:.9375rem;
  padding-bottom:3px;border-bottom:1px solid rgba(0,95,149,.28);
  transition:border-color .3s var(--ease),gap .3s var(--ease);
}
.lnk:hover{border-color:var(--brand)}
.lnk:hover .ico-arr{transform:translateX(4px)}

/* ==========================================================================
   1. HEADER
   ========================================================================== */
.hd{
  position:fixed;inset:0 0 auto 0;z-index:200;
  transition:background .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
  border-bottom:1px solid transparent;
}
.hd__in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:88px;transition:height .45s var(--ease)}

.hd__logo{display:block;flex:none;position:relative}
.hd__logo img{width:auto;height:26px;transition:opacity .4s var(--ease),height .45s var(--ease)}
.hd__logo-dark{position:absolute;inset:0;opacity:0}
.hd__nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,34px)}
.hd__nav>a{
  position:relative;color:rgba(255,255,255,.86);font-size:.875rem;font-weight:500;letter-spacing:-.005em;
  transition:color .3s var(--ease);
}
.hd__nav>a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease);
}
.hd__nav>a:hover{color:#fff}
.hd__nav>a:hover::after{transform:scaleX(1);transform-origin:left}

.hd__navcta{
  background:var(--brand);color:#fff!important;padding:12px 20px;border-radius:3px;
  transition:background .3s var(--ease),transform .3s var(--ease)!important;
}
.hd__navcta::after{display:none}
.hd__navcta:hover{background:var(--brand-600);transform:translateY(-1px)}

.hd.is-solid{background:rgba(255,255,255,.94);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom-color:var(--line-2)}
.hd.is-solid .hd__in{height:74px}
.hd.is-solid .hd__logo-light{opacity:0}
.hd.is-solid .hd__logo-dark{opacity:1}
.hd.is-solid .hd__nav>a{color:var(--ink-2)}
.hd.is-solid .hd__nav>a:hover{color:var(--ink)}
.hd.is-solid .hd__navcta{color:#fff!important}

.hd__burger{display:none;width:44px;height:44px;position:relative;margin-right:-10px}
.hd__burger span{
  position:absolute;left:11px;width:22px;height:1.5px;background:#fff;
  transition:transform .4s var(--ease),opacity .3s var(--ease),background .4s var(--ease);
}
.hd__burger span:nth-child(1){top:19px}
.hd__burger span:nth-child(2){top:25px}
.hd.is-solid .hd__burger span{background:var(--ink)}
body.nav-open .hd .hd__burger span{background:#fff}
body.nav-open .hd__burger span:nth-child(1){transform:translateY(3px) rotate(45deg)}
body.nav-open .hd__burger span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}

/* ==========================================================================
   2. HERO
   ========================================================================== */
.hero{position:relative;min-height:min(100svh,900px);display:flex;flex-direction:column;justify-content:flex-end;isolation:isolate;background:var(--deep-2)}
.hero__bg{position:absolute;inset:0;z-index:-2;overflow:hidden}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 42%;animation:kb 2.6s var(--ease) both}
@keyframes kb{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(102deg,rgba(2,20,32,.95) 0%,rgba(2,22,35,.86) 38%,rgba(2,24,38,.46) 72%,rgba(2,24,38,.3) 100%),
    linear-gradient(to top,rgba(2,20,32,.92) 0%,rgba(2,20,32,0) 42%);
}

.hero__in{padding-top:150px;padding-bottom:clamp(56px,7vw,92px);max-width:calc(var(--wrap) - 0px)}
.hero__t{color:#fff;max-width:15em;font-size:clamp(2.2rem,5vw,4.05rem)}
.hero__t em{color:var(--sky);font-weight:500}
.hero__p{color:rgba(255,255,255,.8);max-width:62ch;margin-top:26px;font-size:clamp(1rem,1.28vw,1.125rem);line-height:1.72}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}

.hero__bar{border-top:1px solid rgba(255,255,255,.15);background:rgba(2,20,32,.42);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.hero__bar-in{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,56px);padding-block:clamp(24px,3vw,34px)}
.hero__stat{display:flex;flex-direction:column;gap:5px}
.hero__stat b{font-family:var(--display);font-weight:600;font-size:clamp(1.7rem,2.7vw,2.5rem);line-height:1;color:#fff;letter-spacing:-.02em}
.hero__stat span{font-size:.8125rem;line-height:1.5;color:rgba(255,255,255,.62);max-width:26ch}

/* ==========================================================================
   3. A EMPRESA
   ========================================================================== */
.sobre__in{display:grid;grid-template-columns:1fr 1.02fr;gap:clamp(40px,6vw,96px);align-items:start}

.sobre__media{position:sticky;top:104px;padding-bottom:76px;padding-right:52px}
.sobre__ph{position:relative;margin:0;overflow:hidden;border-radius:3px}
.sobre__ph img{width:100%;aspect-ratio:5/5.2;object-fit:cover}
.sobre__ph--2{
  position:absolute;right:0;bottom:16px;width:53%;
  border:7px solid #fff;box-shadow:0 30px 60px -34px rgba(4,38,58,.55);
}
.sobre__ph--2 img{aspect-ratio:4/3}
/* Slides: a primeira foto fica no fluxo e define a altura; as demais se sobrepõem */
.slides img{opacity:0;transition:opacity 1.2s ease}
.slides img:not(:first-child){position:absolute;inset:0;height:100%}
.slides img.is-on{opacity:1}
.sobre__badge{
  position:absolute;left:0;bottom:0;background:var(--brand);color:#fff;
  padding:20px 26px;border-radius:3px;display:flex;flex-direction:column;gap:3px;
  box-shadow:0 24px 50px -26px rgba(0,95,149,.8);
}
.sobre__badge b{font-family:var(--display);font-weight:600;font-size:1.375rem;letter-spacing:-.01em}
.sobre__badge span{font-size:.75rem;letter-spacing:.06em;color:rgba(255,255,255,.72)}

.sobre__txt p{margin-top:22px;max-width:56ch}
.sobre__list{list-style:none;margin:36px 0 0;padding:0;border-top:1px solid var(--line)}
.sobre__list li{padding:16px 0;border-bottom:1px solid var(--line);font-size:.9375rem;color:var(--ink-2)}
.sobre__list span{display:inline-block;min-width:150px;color:var(--ink);font-weight:600;font-size:.8125rem;letter-spacing:.08em;text-transform:uppercase}
.sobre__txt .lnk{margin-top:34px}

/* ==========================================================================
   4. SOLUÇÕES
   ========================================================================== */
.sol{background:var(--sand)}
.sec__head{max-width:62ch;margin-bottom:clamp(40px,5vw,64px)}
.sec__head p{margin-top:20px}
.sec__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;max-width:none}
.sec__head--row>div{max-width:62ch}
.sec__head--row h2{max-width:20ch}

.sol__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.6vw,22px)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:3px;
  padding:clamp(26px,2.4vw,34px);display:flex;flex-direction:column;
  transition:border-color .45s var(--ease),transform .45s var(--ease),box-shadow .5s var(--ease);
}
.card:hover{border-color:rgba(0,95,149,.4);transform:translateY(-4px);box-shadow:0 26px 50px -34px rgba(4,38,58,.5)}
.card__ico{width:42px;height:42px;margin-bottom:24px;color:var(--brand)}
.card__ico svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.15;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin-bottom:10px;font-size:1.125rem;font-family:var(--display);font-weight:600;letter-spacing:-.022em}
.card p{font-size:.9375rem;line-height:1.66;color:var(--ink-2);flex:1}
.card__cta{
  display:inline-flex;align-items:center;gap:8px;margin-top:24px;
  font-size:.8125rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--brand);
}
.card__cta:hover .ico-arr{transform:translateX(4px)}

/* ==========================================================================
   5. MATERIAIS
   ========================================================================== */
.mat__filters{display:flex;gap:8px;margin:clamp(28px,3vw,40px) 0 clamp(22px,2.4vw,30px);flex-wrap:wrap}
.chip{
  padding:9px 20px;border-radius:100px;border:1px solid var(--line);
  font-size:.8125rem;font-weight:500;letter-spacing:.02em;color:var(--ink-2);
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff}

.mat__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(12px,1.4vw,20px)}
.stone{display:block;position:relative;overflow:hidden;border-radius:3px;background:var(--sand);isolation:isolate}
.stone__ph{position:relative;overflow:hidden;aspect-ratio:5/4}
.stone__ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.stone::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top,rgba(2,20,32,.92) 0%,rgba(2,20,32,.6) 24%,rgba(2,20,32,.1) 58%,rgba(2,20,32,0) 76%);
  transition:opacity .5s var(--ease);
}
.stone:hover .stone__ph img{transform:scale(1.07)}
.stone__cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px 22px;color:#fff}
.stone__cap b{display:block;font-family:var(--display);font-weight:600;font-size:1.0625rem;letter-spacing:-.02em;line-height:1.25}
.stone__cap span{display:block;margin-top:3px;font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.62)}
.stone__hov{
  position:absolute;inset:auto 0 0;z-index:3;padding:20px 22px;
  display:flex;align-items:center;gap:8px;
  font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#fff;
  background:var(--brand);
  transform:translateY(101%);transition:transform .5s var(--ease);
}
.stone:hover .stone__hov,.stone:focus-visible .stone__hov{transform:translateY(0)}
.stone.is-hidden{display:none}

.mat__more{display:flex;justify-content:center;margin-top:clamp(28px,3vw,40px)}
.mat__more.is-done{display:none}

/* ==========================================================================
   6. DIFERENCIAIS
   ========================================================================== */
/* sem overflow:hidden aqui: ele viraria o scroll container e mataria o position:sticky
   da coluna de imagem. As camadas de fundo usam inset:0, então não vazam. */
.dif{
  background:var(--deep-2);color:rgba(255,255,255,.66);position:relative;
}
.dif::before{
  content:"";position:absolute;inset:0;
  background:url("../img/mat-blue-lagoon.jpg") center/cover no-repeat;
  opacity:.13;mix-blend-mode:luminosity;
}
.dif::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(2,27,42,.97) 0%,rgba(2,27,42,.9) 55%,rgba(1,58,92,.75) 100%);
}
.dif__in{position:relative;z-index:2;display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(40px,6vw,88px);align-items:start}
.dif h2{color:#fff;max-width:none}
.dif h2 em{color:var(--sky)}

.dif__items{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,2.6vw,38px);margin-top:clamp(38px,4vw,54px)}
.dif__item{display:flex;gap:16px;align-items:flex-start}
.dif__ico{flex:none;width:40px;height:40px;border:1px solid rgba(140,194,224,.34);border-radius:3px;display:grid;place-items:center;color:var(--sky)}
.dif__ico svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.dif__item h3{color:#fff;margin-bottom:7px}
.dif__item p{font-size:.9063rem;line-height:1.62;color:rgba(255,255,255,.6)}
.dif__txt .btn{margin-top:clamp(38px,4vw,52px)}

.dif__media{position:sticky;top:104px}
.dif__media figure{margin:0;overflow:hidden;border-radius:3px;border:1px solid rgba(255,255,255,.12);background:#0A1C29}
.dif__media img,.dif__media video{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;display:block}

/* ==========================================================================
   7. OBRAS
   ========================================================================== */
.obras{background:var(--sand)}
.obras__grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(12px,1.4vw,20px)}
.obra{position:relative;display:block;overflow:hidden;border-radius:3px;background:#0c1c28}
.obra img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease),opacity .5s var(--ease);opacity:.92}
.obra::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(2,20,32,.86) 0%,rgba(2,20,32,.14) 52%,rgba(2,20,32,0) 76%);
  transition:opacity .5s var(--ease);
}
.obra:hover img{transform:scale(1.05);opacity:1}
.obra__cap{position:absolute;left:0;bottom:0;z-index:2;padding:clamp(18px,2vw,26px);color:#fff}
.obra__cap b{display:block;font-family:var(--display);font-weight:600;font-size:clamp(1.0625rem,1.4vw,1.3125rem);letter-spacing:-.022em;line-height:1.25}
.obra__cap span{display:block;margin-top:4px;font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.66)}

.obras__grid .obra:nth-child(1){grid-column:span 8;height:clamp(230px,29vw,400px)}
.obras__grid .obra:nth-child(2){grid-column:span 4;height:clamp(230px,29vw,400px)}
.obras__grid .obra:nth-child(3){grid-column:span 4;height:clamp(230px,29vw,400px)}
.obras__grid .obra:nth-child(4){grid-column:span 8;height:clamp(230px,29vw,400px)}
.obras__grid .obra:nth-child(5){grid-column:span 6;height:clamp(210px,24vw,330px)}
.obras__grid .obra:nth-child(6){grid-column:span 6;height:clamp(210px,24vw,330px)}
.obras__grid .obra:nth-child(n+7){grid-column:span 4;height:clamp(200px,20vw,280px)}
button.obra{width:100%;padding:0;border:0;font:inherit;text-align:left;cursor:pointer}
.obra.is-hidden{display:none}
.obras__more{display:flex;justify-content:center;margin-top:clamp(28px,3vw,40px)}
.obras__more.is-done{display:none}

/* Slider de projetos: foto no centro, uma seta de cada lado, legenda sobre a foto */
body.lb-open{overflow:hidden}
.lb{
  position:fixed;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;
  gap:clamp(12px,2.4vw,32px);padding:clamp(56px,6vw,72px) clamp(16px,3vw,40px)
}
.lb[hidden]{display:none}
.lb__backdrop{position:absolute;inset:0;background:rgba(6,18,27,.92);animation:lbFade .25s ease}
.lb__ph{position:relative;margin:0;border-radius:4px;overflow:hidden;box-shadow:0 40px 90px -30px rgba(0,0,0,.7);animation:lbIn .3s var(--ease)}
.lb__ph img{display:block;width:auto;height:auto;max-width:calc(100vw - 220px);max-height:calc(100vh - 144px)}
/* sombra interna no canto inferior esquerdo para a legenda ficar legível */
.lb__ph::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top right,rgba(4,14,22,.85) 0%,rgba(4,14,22,.45) 30%,rgba(4,14,22,0) 60%)
}
.lb__cap{position:absolute;left:0;bottom:0;z-index:2;padding:clamp(20px,3vw,36px);color:#fff;max-width:80%}
.lb__cap h3{font-family:var(--display);font-weight:600;font-size:clamp(1.25rem,2.2vw,2rem);letter-spacing:-.025em;line-height:1.15;color:#fff}
.lb__cap span{display:block;margin-top:6px;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.72)}
.lb__count{position:absolute;top:clamp(20px,2.6vw,30px);left:clamp(16px,3vw,40px);z-index:2;font-size:.8125rem;letter-spacing:.14em;color:rgba(255,255,255,.6)}
.lb__close,.lb__nav{
  position:relative;z-index:2;flex:none;display:grid;place-items:center;width:52px;height:52px;border:0;border-radius:50%;
  cursor:pointer;color:#fff;background:rgba(255,255,255,.1);transition:background .2s,transform .2s
}
.lb__close svg,.lb__nav svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.lb__close{position:absolute;top:clamp(10px,1.8vw,20px);right:clamp(10px,1.8vw,20px);background:transparent}
.lb__close:hover{background:rgba(255,255,255,.12)}
.lb__nav:hover{background:var(--brand);transform:scale(1.06)}
@keyframes lbFade{from{opacity:0}}
@keyframes lbIn{from{opacity:0;transform:translateY(16px)}}

/* ==========================================================================
   8. CONTATO + RODAPÉ
   ========================================================================== */
.ft{background:var(--deep-2);color:rgba(255,255,255,.58)}
.ft__main{display:grid;grid-template-columns:1.6fr .8fr 1fr 1.2fr;gap:clamp(28px,4vw,56px);padding-block:clamp(56px,6vw,84px)}
.ft__brand img{height:26px;width:auto}
.ft__brand p{margin-top:22px;font-size:.9063rem;line-height:1.66;max-width:38ch;color:rgba(255,255,255,.55)}
.ft__soc{display:flex;gap:10px;margin-top:26px}
.ft__soc a{
  width:40px;height:40px;border:1px solid rgba(255,255,255,.16);border-radius:3px;
  display:grid;place-items:center;color:rgba(255,255,255,.72);
  transition:background .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease),transform .3s var(--ease);
}
.ft__soc a:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.ft__soc svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.ft__soc a:last-child svg{fill:currentColor;stroke:none}

.ft__col{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.ft__col h4{color:#fff;margin-bottom:6px}
.ft__col a,.ft__col address{font-size:.9063rem;color:rgba(255,255,255,.58);line-height:1.66;transition:color .3s var(--ease)}
.ft__col a:hover{color:#fff}

.ft__bottom{
  display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.1);padding-block:26px;
  align-items:center;font-size:.8125rem;color:rgba(255,255,255,.42);
}
.ft__credit{display:inline-flex;align-items:center;gap:10px;color:rgba(255,255,255,.55);transition:color .3s var(--ease)}
.ft__credit img{height:42px;width:auto}
.ft__credit:hover{color:rgba(255,255,255,.9)}

/* ---------- WhatsApp flutuante ---------- */
.wa-float{
  position:fixed;right:clamp(16px,2.5vw,28px);bottom:clamp(16px,2.5vw,28px);z-index:150;
  display:flex;align-items:center;gap:0;
  height:56px;padding:0 18px;border-radius:100px;
  background:var(--wa);color:#fff;
  box-shadow:0 14px 34px -12px rgba(37,211,102,.7);
  opacity:0;visibility:hidden;transform:translateY(14px) scale(.94);
  transition:opacity .5s var(--ease),transform .5s var(--ease),visibility .5s,gap .4s var(--ease),background .3s var(--ease);
}
.wa-float.is-on{opacity:1;visibility:visible;transform:none}
.wa-float svg{width:26px;height:26px;fill:currentColor;flex:none}
.wa-float span{
  max-width:0;overflow:hidden;white-space:nowrap;
  font-size:.9063rem;font-weight:500;
  transition:max-width .5s var(--ease);
}
.wa-float:hover{background:var(--wa-d);gap:10px}
.wa-float:hover span{max-width:190px}

/* ==========================================================================
   RESPONSIVO
   ========================================================================== */
@media (max-width:1080px){
  .sol__grid{grid-template-columns:repeat(2,1fr)}
  .mat__grid{grid-template-columns:repeat(3,1fr)}
  .ft__main{grid-template-columns:1fr 1fr;gap:44px}
  .ft__brand{grid-column:1/-1}
}

@media (max-width:900px){
  html{scroll-padding-top:74px}

  .hd__in{height:74px}
  .hd.is-solid .hd__in{height:66px}
  .hd__burger{display:block}
  .hd__nav{
    position:fixed;inset:0;z-index:-1;
    flex-direction:column;justify-content:center;align-items:flex-start;
    gap:6px;padding:0 var(--pad);
    background:var(--deep-2);
    clip-path:circle(0% at calc(100% - 40px) 40px);
    transition:clip-path .8s var(--ease);
  }
  body.nav-open{overflow:hidden}
  body.nav-open .hd__nav{clip-path:circle(150% at calc(100% - 40px) 40px)}
  /* O backdrop-filter do header rolado prende o menu (position:fixed) à altura do header.
     Com o menu aberto, o header volta a ser transparente e sem filtro. */
  body.nav-open .hd{background:transparent;border-bottom-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}
  body.nav-open .hd__logo-light{opacity:1}
  body.nav-open .hd__logo-dark{opacity:0}
  .hd__nav>a{
    font-family:var(--display);font-size:1.875rem;font-weight:600;color:#fff!important;
    padding-block:10px;letter-spacing:-.02em;
  }
  .hd__nav>a::after{display:none}
  .hd__navcta{margin-top:26px;font-family:var(--sans)!important;font-size:1rem!important;padding:16px 28px!important}
  .hd.is-solid .hd__nav>a{color:#fff!important}

  .hero::before{
    background:linear-gradient(180deg,rgba(2,20,32,.9) 0%,rgba(2,20,32,.68) 34%,rgba(2,20,32,.9) 78%,rgba(2,20,32,.95) 100%);
  }
  .hero__in{padding-top:130px}
  .hero__bar-in{grid-template-columns:1fr;gap:20px}
  .hero__stat{flex-direction:row;align-items:baseline;gap:14px}
  .hero__stat b{font-size:1.5rem}
  .hero__stat span{font-size:.8125rem;max-width:none}

  .sobre__in{grid-template-columns:1fr;gap:48px}
  .sobre__media{position:relative;top:auto;order:2;padding-bottom:64px;padding-right:40px}
  .sobre__txt{order:1}

  .sec__head--row{flex-direction:column;align-items:flex-start;gap:26px}

  .dif__in{grid-template-columns:1fr;gap:44px}
  .dif__media{position:relative;top:auto;order:-1}

  .obras__grid .obra:nth-child(n){grid-column:span 6;height:clamp(190px,32vw,300px)}

  /* no celular as setas ficam sobre as laterais da foto */
  .lb{padding:64px 0}
  .lb__ph{border-radius:0}
  .lb__ph img{max-width:100vw;max-height:calc(100vh - 128px)}
  .lb__nav{position:absolute;top:50%;margin-top:-22px;width:44px;height:44px;background:rgba(4,14,22,.55)}
  .lb__nav--prev{left:8px}
  .lb__nav--next{right:8px}
}

@media (max-width:640px){
  body{font-size:1rem}
  .sol__grid,.mat__grid{grid-template-columns:repeat(2,1fr)}
  .dif__items{grid-template-columns:1fr}
  .obras__grid .obra:nth-child(n){grid-column:span 12;height:clamp(200px,52vw,300px)}
  .sobre__list span{min-width:0;display:block;margin-bottom:2px}

  .sobre__media{padding:0;display:grid;gap:10px}
  .sobre__ph--2{position:relative;inset:auto;width:100%;border:0;box-shadow:none}
  .sobre__ph--2 img{aspect-ratio:16/9}
  .sobre__badge{top:0;bottom:auto;padding:15px 19px}
  .sobre__badge b{font-size:1.1875rem}
  .hero__cta .btn{flex:1 1 100%;justify-content:center}
  .ft__main{grid-template-columns:1fr}
  .ft__bottom{flex-direction:column;gap:8px}
  .wa-float{height:52px;padding:0 15px}
  .wa-float:hover span{max-width:0}
  .stone__cap{padding:14px 15px}
  .stone__cap b{font-size:1rem}
  .stone__hov{padding:14px 15px;font-size:.6875rem}
}

@media (max-width:430px){
  .sol__grid{grid-template-columns:1fr}
  .card p{font-size:.9375rem}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .hero__bg img{animation:none}
}