:root{
  --bg:#f7f8f6;
  --surface:#ffffff;
  --ink:#16332e;
  --text:#41504d;
  --muted:#6f7a77;
  --green:#0d5d4f;
  --green-2:#0b473e;
  --gold:#d4a21b;
  --line:#dde4e1;
  --soft:#eef4f1;
  --shadow:0 14px 36px rgba(17,57,49,.09);
  --radius:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  line-height:1.55
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:auto}
.kicker{font-size:.77rem;letter-spacing:.18em;text-transform:uppercase;color:#31716a;font-weight:800}
h1,h2,h3{color:var(--ink);margin:0 0 .45em;line-height:1.08}
h1{font-size:clamp(2.7rem,6.5vw,5.4rem);letter-spacing:-.045em}
h2{font-size:clamp(2rem,4vw,3.35rem);letter-spacing:-.035em}
h3{font-size:1.25rem}
p{margin:0 0 1rem}
.section{padding:86px 0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:14px 20px;border-radius:999px;font-weight:800;border:1px solid transparent;
  transition:.2s ease;white-space:nowrap
}
.btn.primary{background:var(--green);color:#fff}
.btn.primary:hover{transform:translateY(-2px);background:var(--green-2)}
.btn.secondary{background:#fff;border-color:#9cb0aa;color:var(--ink)}
.btn.secondary:hover{border-color:var(--green);color:var(--green)}
header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(13,93,79,.08)
}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.logo{height:55px;width:auto;display:block}
.navlinks{display:flex;gap:28px;align-items:center;font-weight:700;color:#273b37}
.navlinks a:hover{color:var(--green)}
.nav-actions{display:flex;align-items:center;gap:14px}
.mobile-toggle{
  display:none;background:none;border:1px solid #cfd9d5;border-radius:10px;
  width:44px;height:44px;font-size:1.3rem;color:var(--ink);cursor:pointer;line-height:1
}
.mobile-toggle:hover{border-color:var(--green);color:var(--green)}

/* WhatsApp floating button */
.whatsapp-fab{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:58px;height:58px;border-radius:50%;background:#13a174;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(9,50,43,.35);transition:.2s ease
}
.whatsapp-fab:hover{transform:translateY(-3px) scale(1.05)}
.hero{
  min-height:720px;display:grid;grid-template-columns:1.03fr .97fr;
  background:linear-gradient(90deg,#fff 0%,#fff 44%,transparent 68%);
}
.hero-copy{display:flex;align-items:center;padding:80px 0 70px}
.hero-copy .inner{padding-left:max(4vw,calc((100vw - 1180px)/2));padding-right:40px}
.hero h1 span{color:var(--gold)}
.hero .lead{font-size:1.17rem;max-width:650px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
.trust-row{display:flex;gap:28px;flex-wrap:wrap;margin-top:22px}
.trust-item{display:flex;gap:10px;align-items:center;font-weight:750;color:#2b4540;font-size:.93rem}
.icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:#eef7f3;color:var(--green);font-size:1.15rem;font-weight:900
}
.hero-media{position:relative;min-height:720px;overflow:hidden}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media:after{
  content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(247,248,246,.6),transparent 34%,rgba(9,50,43,.08))
}
.hero-note{
  position:absolute;z-index:2;right:5%;bottom:8%;background:rgba(8,63,54,.92);
  color:#fff;padding:20px 24px;border-radius:16px;box-shadow:var(--shadow);max-width:300px
}
.hero-note strong{display:block;font-size:1.05rem;margin-bottom:7px}
.hero-note small{opacity:.85}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
.card{
  background:var(--surface);border:1px solid #e4e9e7;border-radius:var(--radius);
  overflow:hidden;box-shadow:0 8px 24px rgba(16,56,48,.05)
}
.card img{width:100%;height:210px;object-fit:cover}
.card-body{padding:20px}
.card p{color:#62706d;font-size:.94rem}
.card .more{color:var(--green);font-weight:800}
.process{
  background:linear-gradient(135deg,#eff6f3,#f8faf9);border:1px solid #dfeae6;
  border-radius:28px;padding:38px
}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:28px}
.step{text-align:center}
.step .num{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;margin:0 auto 14px;
  background:var(--green);color:#fff;font-weight:900
}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.project{
  background:#fff;border:1px solid #e4e9e7;border-radius:18px;overflow:hidden
}
.project img{height:220px;width:100%;object-fit:cover}
.project .meta{padding:16px}
.project small{color:#6d7976}
.manager{
  display:grid;grid-template-columns:1fr .65fr .9fr;gap:32px;align-items:center;
  background:#fff;border:1px solid #e3e8e6;border-radius:28px;padding:40px;box-shadow:var(--shadow)
}
.manager-photo{border-radius:24px;overflow:hidden;max-height:430px}
.manager-photo img{width:100%;height:430px;object-fit:cover;object-position:center 25%}
.quote{font-size:1.25rem;color:#42524e;font-style:italic}
.quote-mark{font-size:4rem;line-height:1;color:var(--gold);font-family:Georgia,serif}
.tech{
  display:grid;grid-template-columns:1.15fr .85fr;gap:30px;
  background:linear-gradient(135deg,#eaf4ef,#f8fbf9);border-radius:28px;padding:42px
}
.checks{display:grid;gap:12px}
.check{display:flex;gap:12px;align-items:flex-start;font-weight:650}
.check:before{
  content:"✓";display:grid;place-items:center;flex:0 0 25px;height:25px;border-radius:50%;
  background:var(--green);color:#fff;font-weight:900
}
.cta{
  background:linear-gradient(90deg,rgba(8,68,59,.98),rgba(8,68,59,.82)),
  url('assets/hero-fachada.jpg') center/cover;
  border-radius:28px;padding:48px;color:#fff;display:flex;justify-content:space-between;gap:24px;align-items:center
}
.cta h2{color:#fff;margin-bottom:8px}
footer{background:#082f29;color:#dfe9e6;padding:36px 0 18px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:30px;align-items:start}
footer .logo{height:44px}
footer a{opacity:.85}
footer a:hover{opacity:1}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:16px;font-size:.85rem;opacity:.75}
@media (max-width:900px){
  .navlinks{
    display:flex;flex-direction:column;align-items:flex-start;gap:0;
    position:absolute;top:78px;left:0;right:0;background:#fff;
    border-bottom:1px solid rgba(13,93,79,.12);box-shadow:0 16px 30px rgba(17,57,49,.1);
    max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 6vw
  }
  .navlinks.open{max-height:320px;padding:10px 6vw 18px}
  .navlinks a{width:100%;padding:12px 0;border-bottom:1px solid #eef2f0}
  .navlinks a:last-child{border-bottom:none}
  .mobile-toggle{display:block}
  .nav .btn.primary{padding:10px 14px;font-size:.85rem}
  .hero{grid-template-columns:1fr;min-height:0;background:#fff}
  .hero-copy .inner{padding:60px 5vw 35px}
  .hero-media{min-height:420px}
  .cards,.projects{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .manager{grid-template-columns:1fr 1fr}
  .manager .quote-wrap{grid-column:1/-1}
  .tech{grid-template-columns:1fr}
  .cta{flex-direction:column;align-items:flex-start}
}
@media (max-width:620px){
  .section{padding:58px 0}
  h1{font-size:2.75rem}
  .cards,.projects,.steps,.manager,.footer-grid{grid-template-columns:1fr}
  .manager{padding:24px}
  .manager-photo img{height:360px}
  .process,.tech{padding:26px}
  .hero-media{min-height:330px}
  .nav .btn{padding:10px 14px;font-size:.85rem}
}