:root{
  --blue:#0a67b2;
  --blue2:#144c8e;
  --cyan:#09b8d3;
  --ink:#0e253a;
  --muted:#607386;
  --bg:#f5fbff;
  --line:#dbeaf3;
  --white:#fff;
  --shadow:0 18px 45px rgba(5,54,94,.14);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);background:#fff;line-height:1.6
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 36px));margin:auto}
.topbar{background:var(--blue2);color:#fff;font-size:.92rem}
.topbar .container{display:flex;justify-content:space-between;gap:18px;padding:8px 0;flex-wrap:wrap}
.topbar a{opacity:.95}.topbar a:hover{opacity:1}
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,234,243,.9)
}
.nav-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--blue2)}
.brand img{width:64px;height:64px;object-fit:contain;border-radius:14px;background:#fff}
.brand small{display:block;font-weight:700;color:var(--muted);font-size:.72rem;letter-spacing:.02em}
.menu{display:flex;align-items:center;gap:24px;font-weight:750;font-size:.95rem}
.menu a:hover{color:var(--blue)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;
  padding:13px 20px;font-weight:850;border:1px solid transparent;cursor:pointer;transition:.2s ease
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#fff;box-shadow:0 12px 26px rgba(10,103,178,.24)}
.btn-outline{border-color:#b9d6e8;background:#fff;color:var(--blue2)}
.nav-toggle{display:none;border:0;background:#eef8fc;padding:10px 12px;border-radius:12px;font-size:1.2rem}
.hero{
  min-height:680px;display:grid;align-items:center;position:relative;overflow:hidden;
  background:#083c69;color:#fff
}
.hero::before{
  content:"";position:absolute;inset:0;background:
    linear-gradient(90deg,rgba(3,34,60,.92) 0%,rgba(3,42,72,.77) 46%,rgba(3,42,72,.22) 72%,rgba(3,42,72,.12) 100%),
    url("../img/hero.jpg") center 43%/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:70px;
  background:linear-gradient(176deg,transparent 49%,#fff 50%)
}
.hero .container{position:relative;z-index:2;padding:90px 0 130px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  padding:7px 12px;border-radius:999px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;font-size:.76rem
}
.hero h1{font-size:clamp(2.5rem,5.5vw,5.1rem);line-height:.98;max-width:820px;margin:20px 0 22px;letter-spacing:-.045em}
.hero h1 span{color:#61e0ef}
.hero p{font-size:clamp(1.05rem,2vw,1.3rem);max-width:690px;color:#e8f7ff;margin:0 0 28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-outline{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.35)}
.trust-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.trust-pill{padding:9px 13px;border-radius:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);font-size:.9rem;font-weight:700}
section{padding:88px 0}
.section-head{max-width:760px;margin-bottom:38px}
.kicker{font-size:.8rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
h2{font-size:clamp(2rem,4vw,3.35rem);line-height:1.07;letter-spacing:-.035em;margin:8px 0 14px}
.section-head p{color:var(--muted);font-size:1.06rem}
.grid{display:grid;gap:22px}
.services{grid-template-columns:repeat(3,1fr)}
.card{
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff;
  box-shadow:0 8px 28px rgba(13,78,121,.06);transition:.25s ease
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bedde9}
.icon{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;
  background:linear-gradient(135deg,#dff9fc,#e8f3ff);font-size:1.5rem;margin-bottom:16px
}
.card h3{font-size:1.22rem;margin:0 0 8px}.card p{color:var(--muted);margin:0}
.about{background:var(--bg)}
.about-grid{grid-template-columns:1.05fr .95fr;align-items:center}
.photo-stack{position:relative;min-height:500px}
.photo-main{width:82%;height:455px;object-fit:cover;border-radius:32px;box-shadow:var(--shadow)}
.photo-small{position:absolute;right:0;bottom:0;width:48%;height:245px;object-fit:cover;border:9px solid var(--bg);border-radius:28px;box-shadow:var(--shadow)}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0 0;padding:0;list-style:none}
.checks li{font-weight:750;display:flex;gap:9px}.checks li::before{content:"✓";color:var(--cyan);font-weight:1000}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.stat{background:#fff;border:1px solid var(--line);padding:20px;border-radius:20px;text-align:center}
.stat strong{display:block;color:var(--blue);font-size:1.4rem}.stat span{font-size:.86rem;color:var(--muted)}
.process{grid-template-columns:repeat(5,1fr)}
.step{position:relative;padding-top:18px}.step .n{font-size:2.5rem;font-weight:950;color:#d5edf6;line-height:1}.step h3{margin:8px 0}.step p{color:var(--muted);font-size:.94rem}
.gallery{grid-template-columns:repeat(4,1fr);grid-auto-rows:220px}
.gallery button{padding:0;border:0;border-radius:20px;overflow:hidden;cursor:pointer;background:#eaf5fa}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.35s ease}
.gallery button:hover img{transform:scale(1.045)}
.gallery .wide{grid-column:span 2}.gallery .tall{grid-row:span 2}
.video-section{background:#071f34;color:#fff}
.video-section .section-head p{color:#b9cfdd}
.videos{grid-template-columns:1.2fr .8fr}
.video-card{background:#0d2d49;border:1px solid rgba(255,255,255,.1);border-radius:26px;padding:14px}
.video-card video{width:100%;border-radius:18px;display:block;max-height:520px;background:#000}
.proof{
  border-radius:32px;background:linear-gradient(135deg,#0b66aa,#11abc6);padding:42px;color:#fff;
  display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:22px;overflow:hidden;position:relative
}
.proof::after{content:"";position:absolute;width:280px;height:280px;border:55px solid rgba(255,255,255,.1);border-radius:50%;right:-70px;top:-90px}
.proof h2{margin-top:0}.proof p{color:#eafaff;max-width:700px}
.proof-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;position:relative;z-index:2}
.proof .btn-outline{background:#fff;color:var(--blue2);border:0}
.faq{max-width:880px}
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{font-weight:850;cursor:pointer;font-size:1.06rem}
details p{color:var(--muted)}
.contact{background:var(--bg)}
.contact-grid{grid-template-columns:.8fr 1.2fr;align-items:start}
.contact-box{background:linear-gradient(150deg,var(--blue2),#083b66);color:#fff;border-radius:28px;padding:30px;position:sticky;top:110px}
.contact-box p{color:#d8edfa}.contact-line{padding:13px 0;border-top:1px solid rgba(255,255,255,.12)}
form{background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:0 10px 30px rgba(13,78,121,.07)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-weight:800;font-size:.9rem;margin-bottom:6px}
input,select,textarea{width:100%;border:1px solid #cddfe9;border-radius:14px;padding:13px 14px;background:#fbfdff;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(9,184,211,.11)}
textarea{min-height:128px;resize:vertical}.full{grid-column:1/-1}
footer{background:#061927;color:#cadbe5;padding:48px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:32px}
footer h4{color:#fff;margin:0 0 12px}footer a{display:block;margin:7px 0}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:20px;font-size:.87rem;color:#8da7b7}
.whatsapp{
  position:fixed;right:20px;bottom:20px;z-index:60;width:60px;height:60px;border-radius:50%;
  display:grid;place-items:center;background:#22c55e;color:#fff;box-shadow:0 16px 34px rgba(0,0,0,.24);font-size:1.7rem;font-weight:900
}
.lightbox{position:fixed;inset:0;background:rgba(2,15,26,.92);z-index:100;display:none;align-items:center;justify-content:center;padding:28px}
.lightbox.open{display:flex}.lightbox img{max-width:min(1100px,96vw);max-height:88vh;border-radius:18px}
.lightbox button{position:absolute;right:24px;top:18px;background:transparent;color:#fff;border:0;font-size:2.2rem;cursor:pointer}
.install{display:none}
@media(max-width:980px){
  .menu{position:absolute;left:18px;right:18px;top:76px;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:20px;padding:18px;flex-direction:column;align-items:stretch;display:none}
  .menu.open{display:flex}.nav-toggle{display:block}.nav-cta{display:none}
  .services{grid-template-columns:repeat(2,1fr)}.about-grid,.contact-grid,.videos{grid-template-columns:1fr}
  .process{grid-template-columns:repeat(2,1fr)}.gallery{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}.contact-box{position:static}.proof{grid-template-columns:1fr}.proof-actions{justify-content:flex-start}
}
@media(max-width:640px){
  .topbar .container{justify-content:center;text-align:center}.brand span{font-size:.9rem}.brand img{width:54px;height:54px}.nav-inner{height:70px}
  .hero{min-height:650px}.hero::before{background:linear-gradient(rgba(3,34,60,.83),rgba(3,34,60,.78)),url("../img/hero.jpg") 62% center/cover no-repeat}
  .hero .container{padding-top:70px}.hero h1{font-size:3rem}.services,.process,.form-grid{grid-template-columns:1fr}
  section{padding:68px 0}.photo-stack{min-height:390px}.photo-main{height:350px;width:92%}.photo-small{height:190px;width:52%}
  .gallery{grid-auto-rows:170px}.gallery .wide{grid-column:span 1}.gallery .tall{grid-row:span 1}
  .checks{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}
}

/* HidroÁgua 360 - portfólio dinâmico */
.work-showcase{background:linear-gradient(180deg,#fff,#f4fbfe)}
.work-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:0 0 26px}.work-metrics>div{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;text-align:center;box-shadow:0 8px 26px rgba(13,78,121,.05)}.work-metrics strong{display:block;font-size:1.9rem;color:var(--blue);letter-spacing:-.04em}.work-metrics span{color:var(--muted);font-size:.86rem}
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.project-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 9px 30px rgba(13,78,121,.06);transition:.25s}.project-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.project-card>img{width:100%;height:230px;object-fit:cover}.project-card>div{padding:20px}.project-card h3{margin:7px 0 8px;font-size:1.2rem}.project-card p{color:var(--muted);margin:0 0 14px}.project-tag{display:inline-flex;background:#e7f8fb;color:#0877a3;border-radius:999px;padding:5px 9px;font-size:.74rem;font-weight:900}.project-meta{display:flex;gap:10px;flex-wrap:wrap;color:#466376;font-size:.82rem;font-weight:750}
@media(max-width:900px){.project-grid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.project-grid,.work-metrics{grid-template-columns:1fr}.project-card>img{height:210px}}