/* ===== ARTE REVESTIMENTO — styles ===== */
:root{
  --teal:#0097b2;
  --teal-600:#03849c;
  --teal-900:#08313b;
  --ink:#12262c;
  --muted:#5c6f74;
  --sand:#f5f2ea;
  --stone:#eae4d8;
  --line:#e4ded2;
  --white:#ffffff;
  --shadow: 0 24px 60px -28px rgba(8,49,59,.35);
  --shadow-sm: 0 10px 30px -16px rgba(8,49,59,.35);
  --radius: 18px;
  --maxw: 1200px;
  --ease: cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',system-ui,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:110px 0}
.section--alt{background:var(--sand)}
.section--dark{background:var(--teal-900);color:#eaf6f8}
.eyebrow{
  font-size:.78rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--teal-600);margin-bottom:14px;display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--teal)}
.eyebrow--light{color:#7fd6e6}
.eyebrow--light::before{background:#7fd6e6}
.h2{
  font-family:'Fraunces',serif;font-weight:600;line-height:1.08;
  font-size:clamp(2rem,4vw,3.1rem);letter-spacing:-.01em;
}
.section__head{max-width:680px;margin-bottom:64px}
.section__lead{margin-top:18px;font-size:1.08rem;color:var(--muted)}
.section--dark .section__lead{color:#a7cdd4}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:.95rem;padding:15px 30px;border-radius:100px;
  cursor:pointer;border:1.5px solid transparent;transition:.35s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--teal);color:#fff;box-shadow:0 14px 30px -12px rgba(0,151,178,.7)}
.btn--primary:hover{background:var(--teal-600);transform:translateY(-2px);box-shadow:0 20px 40px -14px rgba(0,151,178,.85)}
.btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--nav{padding:11px 22px;background:var(--teal);color:#fff}
.btn--nav:hover{background:var(--teal-600)}
.btn--block{width:100%}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.4s var(--ease)}
.nav__inner{
  max-width:var(--maxw);margin:0 auto;padding:20px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav.scrolled{background:rgba(255,255,255,.85);backdrop-filter:blur(14px);box-shadow:0 1px 0 rgba(18,38,44,.08)}
.nav.scrolled .nav__inner{padding:14px 28px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:.02em}
.nav.scrolled .brand{color:var(--ink)}
.brand__mark{color:var(--teal);display:grid;place-items:center}
.nav .brand__mark{color:#fff}
.nav.scrolled .brand__mark{color:var(--teal)}
.brand__text{font-size:1.05rem;line-height:1;display:flex;flex-direction:column}
.brand__text em{font-style:normal;font-weight:500;font-size:.72rem;letter-spacing:.34em;opacity:.85}
.nav__links{display:flex;align-items:center;gap:30px}
.nav__links a{font-size:.95rem;font-weight:600;color:rgba(255,255,255,.92);transition:.3s;position:relative}
.nav__links a:not(.btn)::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--teal);transition:.3s var(--ease)}
.nav__links a:not(.btn):hover::after{width:100%}
.nav.scrolled .nav__links a{color:var(--ink)}
.nav.scrolled .nav__links a.btn--nav{color:#fff}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__toggle span{width:26px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}
.nav.scrolled .nav__toggle span{background:var(--ink)}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero__bg{
  position:absolute;inset:0;background:url('images/hero-building.png') center/cover no-repeat;
  transform:scale(1.04);animation:heroZoom 18s ease-out forwards;
  filter:saturate(.8) contrast(1.04) brightness(.92);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(130% 110% at 72% 26%,rgba(0,151,178,.42),rgba(8,49,59,.9) 78%);
  mix-blend-mode:multiply;
}
@keyframes heroZoom{to{transform:scale(1)}}
.hero__overlay{
  position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(6,38,46,.94) 0%,rgba(6,38,46,.6) 46%,rgba(4,90,106,.32) 100%);
  box-shadow:inset 0 -160px 140px -70px rgba(4,24,29,.95),inset 0 90px 90px -60px rgba(4,24,29,.7);
}
.hero__overlay::after{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero__content{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 28px;width:100%}
.hero__title{
  font-family:'Fraunces',serif;font-weight:600;
  font-size:clamp(2.6rem,6.4vw,5rem);line-height:1.02;letter-spacing:-.02em;
  margin:8px 0 22px;max-width:14ch;
}
.hero__title span{color:#8fdcea;font-style:italic}
.hero__sub{font-size:clamp(1.02rem,1.6vw,1.22rem);max-width:56ch;color:rgba(255,255,255,.9);margin-bottom:38px}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap}
.hero__scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:20px;display:flex;justify-content:center;padding-top:8px}
.hero__scroll span{width:4px;height:8px;background:#fff;border-radius:4px;animation:scrollDot 1.6s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translateY(-4px)}50%{opacity:1}100%{opacity:0;transform:translateY(10px)}}

/* ===== ABOUT ===== */
.about__grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
.about__body p{margin-bottom:18px;font-size:1.08rem;color:#3a4a4f}
.about__body strong{color:var(--teal-600)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:80px;padding-top:56px;border-top:1px solid var(--line)}
.stat{display:flex;flex-direction:column}
.stat__num,.stat__word{font-family:'Fraunces',serif;font-weight:600;font-size:2.8rem;line-height:1;color:var(--teal-900);display:inline}
.stat__suf{font-family:'Fraunces',serif;font-size:1.6rem;color:var(--teal)}
.stat__word{font-size:2rem}
.stat p{margin-top:10px;font-size:.92rem;color:var(--muted);font-weight:500}

/* ===== SERVICES ===== */
.service{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:52px 0;border-bottom:1px solid var(--line)}
.service:last-child{border-bottom:0}
.service--rev .service__media{order:2}
.service__media{position:relative}
.service__media>img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.service__thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}
.service__thumbs img{height:92px;width:100%;object-fit:cover;border-radius:10px;transition:.4s var(--ease);cursor:pointer}
.service__thumbs img:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.service__no{font-family:'Fraunces',serif;font-size:1.1rem;color:var(--teal);font-weight:600;letter-spacing:.1em}
.service__text h3{font-family:'Fraunces',serif;font-weight:600;font-size:clamp(1.7rem,3vw,2.4rem);margin:6px 0 16px;letter-spacing:-.01em}
.service__text p{color:#3a4a4f;font-size:1.05rem;margin-bottom:22px}
.service__tags{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.service__tags li{font-size:.82rem;font-weight:600;color:var(--teal-600);background:rgba(0,151,178,.09);padding:7px 15px;border-radius:100px}

/* ===== WHY ===== */
.why__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why__card{padding:34px 28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);transition:.4s var(--ease)}
.why__card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.why__ic{width:54px;height:54px;display:grid;place-items:center;font-size:1.5rem;color:var(--teal);background:rgba(0,151,178,.1);border-radius:14px;margin-bottom:20px}
.why__card h4{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.why__card p{font-size:.96rem;color:var(--muted)}

/* ===== PORTFOLIO ===== */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:16px}
.gallery__item{border:0;padding:0;cursor:pointer;border-radius:14px;overflow:hidden;position:relative;background:#0a3b47}
.gallery__item img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.gallery__item::after{content:"⤢";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:1.4rem;background:rgba(8,49,59,.45);opacity:0;transition:.4s}
.gallery__item:hover img{transform:scale(1.08)}
.gallery__item:hover::after{opacity:1}
.gg-tall{grid-row:span 2}
.gg-wide{grid-column:span 2}

/* ===== CONTACT ===== */
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact__lead{color:var(--muted);font-size:1.08rem;margin-bottom:30px}
.contact__list{list-style:none;display:flex;flex-direction:column;gap:16px;margin-bottom:36px}
.contact__list li{display:flex;align-items:center;gap:14px;font-size:1.05rem;font-weight:600}
.contact__ic{width:42px;height:42px;display:grid;place-items:center;background:rgba(0,151,178,.1);color:var(--teal);border-radius:12px;font-size:1.1rem}
.contact__list a:hover{color:var(--teal-600)}
.contact__social p{font-weight:700;margin-bottom:14px}
.social{display:flex;gap:12px}
.social__ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:#fff;transition:.35s var(--ease)}
.social__ic--wa{background:#25d366}
.social__ic--fb{background:#1877f2}
.social__ic--ig{background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888)}
.social__ic:hover{transform:translateY(-4px)}
.contact__form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}
.field{margin-bottom:20px}
.field label{display:block;font-size:.85rem;font-weight:700;letter-spacing:.02em;margin-bottom:8px;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;
  font-family:inherit;font-size:1rem;color:var(--ink);background:#fbfaf7;transition:.3s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--teal);background:#fff;box-shadow:0 0 0 4px rgba(0,151,178,.12)}
.field textarea{resize:vertical}
.contact__note{font-size:.82rem;color:var(--muted);margin-top:14px;text-align:center}

/* ===== FOOTER ===== */
.footer{background:var(--ink);color:#cdd8db;padding:50px 0}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.brand--footer{color:#fff}
.brand--footer .brand__mark{color:var(--teal)}
.footer__links{display:flex;gap:26px}
.footer__links a{font-size:.95rem;font-weight:600;color:#cdd8db;transition:.3s}
.footer__links a:hover{color:var(--teal)}
.footer__copy{font-size:.85rem;color:#8ea1a6;width:100%;text-align:center;margin-top:12px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08)}

/* ===== LIGHTBOX ===== */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(6,30,36,.94);display:none;align-items:center;justify-content:center;padding:40px}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:86vh;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox__close{position:absolute;top:24px;right:30px;background:none;border:0;color:#fff;font-size:2.6rem;cursor:pointer;line-height:1;opacity:.8;transition:.3s}
.lightbox__close:hover{opacity:1;transform:rotate(90deg)}
.lightbox__nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);border:0;color:#fff;font-size:2.4rem;width:56px;height:56px;border-radius:50%;cursor:pointer;transition:.3s}
.lightbox__nav:hover{background:var(--teal)}
.lightbox__prev{left:26px}
.lightbox__next{right:26px}

/* ===== WA FLOAT ===== */
.wa-float{position:fixed;bottom:26px;right:26px;z-index:90;width:60px;height:60px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(37,211,102,.7);transition:.35s var(--ease);animation:waPulse 2.4s infinite}
.wa-float:hover{transform:scale(1.08)}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}

/* ===== SCREENSHOT MODE (?all) ===== */
.shot .hero{min-height:720px}
.shot .reveal{opacity:1;transform:none;transition:none}
.shot .wa-float{display:none}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(28px);transition:.9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== RESPONSIVE ===== */
@media (max-width:960px){
  .about__grid,.service,.service--rev .service__media,.contact__grid{grid-template-columns:1fr}
  .service--rev .service__media{order:0}
  .service{gap:28px;padding:40px 0}
  .service__media>img{height:300px}
  .stats,.why__grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}
  .gg-wide{grid-column:span 2}
}
@media (max-width:760px){
  .section{padding:76px 0}
  .nav__links{
    position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    background:#fff;flex-direction:column;align-items:flex-start;justify-content:center;
    gap:28px;padding:40px;transform:translateX(100%);transition:.45s var(--ease);box-shadow:-20px 0 60px rgba(0,0,0,.2)
  }
  .nav__links.open{transform:none}
  .nav__links a{color:var(--ink)!important;font-size:1.15rem}
  .nav__toggle{display:flex}
  .nav__inner{padding:16px 22px}
  .wrap{padding:0 22px}
}
@media (max-width:520px){
  .stats,.why__grid,.gallery{grid-template-columns:1fr}
  .gg-wide,.gg-tall{grid-column:auto;grid-row:auto}
  .hero__cta{flex-direction:column}
  .hero__cta .btn{width:100%}
  .contact__form{padding:26px}
}