:root{
  --teal:#17403c;
  --teal-2:#1e5a52;
  --olive:#7e8447;
  --rust:#b8452b;
  --ink:#0e1a19;
  --ink-2:#33403e;
  --bg:#ffffff;
  --bg-2:#f1f3f2;
  --bg-3:#e6eae8;
  --line:#d3dad7;
  --white:#ffffff;
  --radius:2px;
  --wrap:1220px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Barlow",system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,.tag,.btn,.nav a,.stats b{font-family:"Barlow Condensed",Impact,sans-serif;text-transform:uppercase}
h1,h2,h3{line-height:1.02;letter-spacing:-.01em;font-weight:700}
h1{font-size:clamp(2.6rem,6.4vw,5.4rem)}
h2{font-size:clamp(2rem,4vw,3.4rem);color:var(--teal)}
h3{font-size:clamp(1.3rem,2vw,1.7rem)}
p{color:var(--ink-2)}
.wrap{width:min(var(--wrap),92vw);margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:999;background:var(--teal);color:#fff;padding:.6rem 1rem}

/* ---------- fondo animado global ---------- */
.bg-field{position:fixed;inset:0;z-index:-2;background:linear-gradient(180deg,#fff 0%,var(--bg-2) 55%,#fff 100%);overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.20}
.b1{width:46vw;height:46vw;left:-12vw;top:4vh;background:var(--teal);animation:drift1 26s var(--ease) infinite alternate}
.b2{width:38vw;height:38vw;right:-10vw;top:38vh;background:var(--olive);animation:drift2 32s var(--ease) infinite alternate}
.b3{width:30vw;height:30vw;left:38vw;bottom:-8vh;background:var(--rust);opacity:.13;animation:drift3 29s var(--ease) infinite alternate}
@keyframes drift1{to{transform:translate3d(9vw,12vh,0) scale(1.15)}}
@keyframes drift2{to{transform:translate3d(-11vw,-9vh,0) scale(1.2)}}
@keyframes drift3{to{transform:translate3d(6vw,-14vh,0) scale(.85)}}
.grid-lines{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:78px 78px;opacity:.30;mask-image:radial-gradient(ellipse at 50% 40%,#000 20%,transparent 78%)}

/* ---------- iconos flotantes ---------- */
.float-icons{position:fixed;inset:0;z-index:-1;pointer-events:none}
.fi{position:absolute;left:var(--x);top:var(--y);width:clamp(34px,4vw,64px);height:auto;fill:var(--teal);opacity:.13;transform:translate3d(0,0,0);transition:transform .5s var(--ease);animation:bob 9s ease-in-out infinite alternate}
.fi:nth-child(even){fill:var(--rust);opacity:.11;animation-duration:12s}
@keyframes bob{to{translate:0 -22px}}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s,padding .3s}
.nav.scrolled{box-shadow:0 8px 28px -18px rgba(14,26,25,.55)}
.nav-in{width:min(var(--wrap),94vw);margin-inline:auto;display:flex;align-items:center;gap:1.2rem;padding:.55rem 0}
.brand img{height:46px;width:auto;transition:height .3s}
.nav.scrolled .brand img{height:38px}
.links{margin-left:auto;display:flex;gap:1.6rem;align-items:center}
.links a{font-size:1.02rem;font-weight:700;letter-spacing:.05em;color:var(--teal);position:relative;padding:.25rem 0}
.links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--rust);transition:right .35s var(--ease)}
.links a:hover::after,.links a.active::after{right:0}
.links a.active{color:var(--rust)}
.cta-link{color:var(--rust)!important}
.tel-btn{background:var(--teal);color:#fff!important;font-family:"Barlow Condensed",sans-serif;text-transform:uppercase;font-weight:700;letter-spacing:.06em;padding:.5rem 1rem;border-radius:var(--radius);transition:background .25s,transform .25s}
.tel-btn:hover{background:var(--rust);transform:translateY(-2px)}
.burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:.4rem}
.burger i{width:26px;height:2px;background:var(--teal);display:block;transition:.3s var(--ease)}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{height:190vh;position:relative}
.hero-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:grid;place-items:center}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(10,28,26,.86) 0%,rgba(10,28,26,.62) 45%,rgba(10,28,26,.38) 100%)}
.hero-copy{position:relative;width:min(var(--wrap),92vw);color:#fff;padding-top:4rem}
.eyebrow{font-family:"Barlow Condensed",sans-serif;text-transform:uppercase;letter-spacing:.28em;font-weight:700;color:#fff;opacity:.92;font-size:.9rem;margin-bottom:1rem}
.hero-copy h1{color:#fff;text-shadow:0 6px 34px rgba(0,0,0,.45)}
.hero-copy h1 span{color:#e2ecdf}
.lead{color:#eef3f1;font-size:clamp(1.05rem,1.5vw,1.3rem);max-width:44ch;margin-top:1.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
.btn{display:inline-block;padding:.85rem 1.7rem;font-size:1.05rem;font-weight:700;letter-spacing:.07em;border-radius:var(--radius);transition:.3s var(--ease);border:2px solid transparent;cursor:pointer}
.btn-solid{background:var(--rust);color:#fff}
.btn-solid:hover{background:#96351f;transform:translateY(-3px)}
.btn-ghost{border-color:#fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--teal)}
.scroll-hint{position:absolute;bottom:2rem;left:50%;translate:-50% 0;width:24px;height:40px;border:2px solid rgba(255,255,255,.7);border-radius:14px}
.scroll-hint span{position:absolute;left:50%;top:8px;translate:-50% 0;width:3px;height:8px;background:#fff;border-radius:2px;animation:sc 1.7s infinite}
@keyframes sc{0%{opacity:0;top:8px}30%{opacity:1}100%{opacity:0;top:22px}}

/* ---------- marquee ---------- */
.marquee{background:var(--teal);color:#fff;overflow:hidden;padding:.7rem 0;position:relative;z-index:2}
.mq-track{display:flex;gap:2rem;width:max-content;animation:mq 34s linear infinite;font-family:"Barlow Condensed",sans-serif;text-transform:uppercase;letter-spacing:.14em;font-weight:700;white-space:nowrap}
.mq-track i{color:var(--olive);font-style:normal}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- secciones ---------- */
.sec{position:relative;z-index:1;padding:clamp(4.5rem,9vw,8rem) 0}
.sec.alt{background:rgba(241,243,242,.86);backdrop-filter:blur(2px);border-block:1px solid var(--line)}
.tag{font-family:"Barlow Condensed",sans-serif;text-transform:uppercase;letter-spacing:.28em;font-weight:700;color:var(--rust);font-size:.88rem;margin-bottom:.7rem}
.head{max-width:70ch;margin-bottom:3rem}
.head .sub{margin-top:1rem;font-size:1.08rem}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.col p+p{margin-top:1rem}
.col h2{margin-bottom:1.2rem}
.strong-line{margin-top:1.4rem;font-weight:600;color:var(--teal);border-left:4px solid var(--rust);padding-left:1rem;font-size:1.12rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.4rem;border-top:1px solid var(--line);padding-top:1.6rem}
.stats b{display:block;font-size:clamp(1.9rem,3vw,2.7rem);color:var(--teal);line-height:1}
.stats small{color:var(--ink-2);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}

/* fotos */
.ph{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--bg-3);box-shadow:0 30px 60px -40px rgba(14,26,25,.6)}
.ph img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.ph:hover img{transform:scale(1.05)}
.ph.tall{aspect-ratio:4/5}
.ph figcaption{position:absolute;left:0;bottom:0;right:0;padding:1.4rem 1.2rem .9rem;background:linear-gradient(to top,rgba(10,28,26,.9),transparent);color:#fff;font-family:"Barlow Condensed",sans-serif;text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.ph.strip{aspect-ratio:21/7;margin-top:2rem}
.ph.inline{aspect-ratio:16/9;margin-top:2rem}
.grid2{display:grid;gap:1.2rem}
.grid2 .ph{aspect-ratio:16/10}

/* banda parallax */
.band{position:relative;min-height:78vh;display:grid;place-items:center;overflow:hidden;z-index:1}
.band-bg{position:absolute;inset:-14% 0;background-size:cover;background-position:center;will-change:transform}
.band-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,28,26,.92),rgba(10,28,26,.62))}
.band-copy{position:relative;color:#fff;max-width:80ch;padding-block:5rem}
.band-copy h3{font-size:clamp(1.8rem,3.4vw,2.9rem);margin-bottom:1.2rem;color:#fff}
.band-copy p{color:#e9efec}
.band-copy p+p{margin-top:1rem}

/* cards */
/* cards */
.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1.4rem;
}

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease);
}

.card:hover{
  transform:translateY(-8px);
  box-shadow:0 34px 60px -38px rgba(14,26,25,.65);
}

.card-img{
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--bg-3);
}

.card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .8s var(--ease);
}

.card:hover .card-img img{
  transform:scale(1.07);
}

.card-body{
  padding:1.3rem 1.2rem 1.6rem;
}

.card-body h3{
  color:var(--teal);
  margin-bottom:.6rem;
}

.card-body p{
  font-size:.97rem;
}

.card.wide{
  grid-column:span 3;
  flex-direction:row;
}

.card.wide .card-img{
  aspect-ratio:auto;
  flex:0 0 44%;
}

.card.wide .card-body{
  align-self:center;
  padding:2rem;
}
/* mosaico perforación */
.mosaic{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.mosaic .ph{aspect-ratio:3/4}
.mtext{border-top:3px solid var(--olive);padding-top:1rem}
.mtext p{font-size:1.02rem}

/* geofísica split */
.split-bg{display:grid;grid-template-columns:1fr 1fr;padding:0;align-items:stretch;background:#fff;overflow:hidden}
.halfimg{background-size:cover;background-position:center;min-height:70vh;overflow:hidden}
.halfcopy{display:grid;align-items:center;padding:clamp(3rem,6vw,6rem) clamp(1.5rem,4vw,4rem);background:#fff}
.halfcopy .inner{max-width:56ch}
.halfcopy p+p{margin-top:1rem}

/* duo overlay */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.over{position:relative;overflow:hidden;border-radius:var(--radius);min-height:440px;display:flex;align-items:flex-end}
.over img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.over:hover img{transform:scale(1.06)}
.over-body{position:relative;padding:1.8rem;background:linear-gradient(to top,rgba(10,28,26,.95) 25%,rgba(10,28,26,0));color:#fff;width:100%}
.over-body h3{color:#fff;margin-bottom:.5rem}
.over-body p{color:#e9efec}

/* contacto */
.contacto{background:rgba(241,243,242,.9);border-top:1px solid var(--line)}
.cgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-bottom:3rem}
.cgrid .ph{aspect-ratio:4/3}
.cwrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,4vw,3.5rem)}
.cdata{list-style:none;display:grid;gap:1.1rem;align-content:start}
.cdata li{border-bottom:1px solid var(--line);padding-bottom:1rem;display:flex;flex-wrap:wrap;align-items:baseline;gap:.15rem .5rem}
.cdata li>.ci{flex:0 0 100%}
.ci{font-family:"Barlow Condensed",sans-serif;text-transform:uppercase;letter-spacing:.18em;font-size:.8rem;color:var(--rust);font-weight:700}
.cdata a{color:var(--teal);font-weight:600;transition:color .2s}
.cdata a:hover{color:var(--rust)}
.cv{color:var(--teal);font-weight:600}
.cform{background:#fff;border:1px solid var(--line);padding:clamp(1.4rem,3vw,2.2rem);border-radius:var(--radius);display:grid;gap:1rem}
.cform label{display:grid;gap:.35rem;font-family:"Barlow Condensed",sans-serif;text-transform:uppercase;letter-spacing:.12em;font-size:.85rem;font-weight:700;color:var(--teal)}
.cform input,.cform select,.cform textarea{font-family:"Barlow",sans-serif;font-size:1rem;text-transform:none;letter-spacing:0;font-weight:400;color:var(--ink);padding:.75rem .85rem;border:1px solid var(--line);border-radius:var(--radius);background:#fbfcfb;transition:border-color .2s,box-shadow .2s}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(23,64,60,.12)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.fnote{font-size:.85rem}
.fnote a{color:var(--rust);text-decoration:underline}

/* footer */
.foot{position:relative;z-index:1;background:var(--teal);color:#fff;padding-top:clamp(3rem,6vw,4.5rem)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem;padding-bottom:3rem}
.fgrid p{color:#dbe5e1;margin-top:1rem;max-width:38ch}
.flogo{height:52px;width:auto;background:#fff;padding:.4rem .6rem;border-radius:var(--radius)}
.fgrid h4{font-size:1.1rem;letter-spacing:.14em;margin-bottom:.9rem;color:#fff}
.fgrid h4.mt{margin-top:1.4rem}
.fgrid a,.fgrid span{display:block;color:#dbe5e1;padding:.22rem 0;transition:color .2s,transform .2s}
.fgrid a:hover{color:#fff;transform:translateX(4px)}
.fbar{border-top:1px solid rgba(255,255,255,.18);padding:1.1rem 0;font-size:.88rem;color:#c9d6d2}

/* whatsapp */
.wa{position:fixed;right:1.8rem;bottom:1.9rem;z-index:70;width:66px;height:66px;border-radius:50%;background:#00CC00;display:grid;place-items:center;box-shadow:0 14px 30px -12px rgba(0,0,0,.5);transition:transform .3s var(--ease)}
.wa svg{fill:#fff}
.wa:hover{transform:scale(1.3)}

/* reveal */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* legal page */
.legal{padding-top:9rem}
.legal h1{color:var(--teal);font-size:clamp(2.2rem,5vw,3.6rem)}
.legal h2{margin-top:2.6rem;font-size:clamp(1.5rem,2.6vw,2.1rem)}
.legal ul{margin-top:1rem;padding-left:1.1rem;display:grid;gap:.9rem}
.legal li{color:var(--ink-2)}
.legal li b{color:var(--teal)}
.legal .back{display:inline-block;margin-top:2.6rem;color:var(--rust);font-weight:700}

/* responsive */
@media (max-width:1080px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .card.wide{grid-column:span 2;flex-direction:column}
  .card.wide .card-img{flex:none;aspect-ratio:16/9}
  .mosaic{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .links{position:fixed;inset:64px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:1rem 0 1.4rem;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .45s var(--ease);box-shadow:0 22px 40px -28px rgba(14,26,25,.6)}
  .links.open{transform:none}
  .links a{width:min(92vw,100%);margin-inline:auto;padding:.85rem .2rem;border-bottom:1px solid var(--line);font-size:1.15rem}
  .burger{display:flex}
  .tel-btn{margin-left:auto;font-size:.9rem;padding:.45rem .8rem}
  .split,.cwrap,.split-bg,.duo{grid-template-columns:1fr}
  .halfimg{min-height:52vh}
  .hero{height:150vh}
  .stats{grid-template-columns:repeat(2,1fr);gap:1.4rem}
  .fgrid{grid-template-columns:1fr 1fr}
  .cgrid{grid-template-columns:1fr}
  .cgrid .ph:nth-child(n+2){display:none}
  .band-bg{inset:-8% 0}
}
@media (max-width:620px){
  .cards,.mosaic{grid-template-columns:1fr}
  .card.wide{grid-column:span 1}
  .f2{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .tel-btn span{display:none}
  .tel-btn::before{content:"Llamar"}
  .ph.strip{aspect-ratio:4/3}
  .cgrid .ph:nth-child(n+2){display:block}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}