/* =========================================================
   SETGEO — tokens
   Tinta   #14181A   fondo oscuro / texto
   Papel   #FFFFFF   fondo claro
   Rojo    #E4001B   acento primario (topografía tradicional)
   Acero   #37485A / #4A5F73  secciones técnicas, botones secundarios
   Señal   #FF8A00   acento secundario (fotogrametría / LiDAR)
   ========================================================= */

:root{
  --ink:#14181A;
  --ink-2:#1D2328;
  --ink-3:#262E34;
  --paper:#FFFFFF;
  --paper-2:#F5F5F2;
  --red:#E4001B;
  --red-dim:#B5001A;
  --steel:#37485A;
  --steel-2:#4A5F73;
  --signal:#FF8A00;
  --signal-dim:#CC6E00;
  --line:#E4E4DF;
  --line-dark:#2C363D;
  --muted:#5B6268;
  --muted-light:#B9C2C7;

  --display:'Space Grotesk', sans-serif;
  --body:'Inter', sans-serif;
  --mono:'JetBrains Mono', monospace;

  --wrap:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3{font-family:var(--display);margin:0;font-weight:700;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

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

.wrap{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--red);
  margin:0 0 14px;
  font-weight:600;
}
.eyebrow--light{color:#FF9E85;}
.eyebrow--red{color:var(--red);}
.eyebrow--signal{color:var(--signal);}

.h2{
  font-size:clamp(28px,4vw,42px);
  line-height:1.12;
  letter-spacing:-.01em;
  margin-bottom:22px;
}
.h2--light{color:var(--paper);}

/* =============== NAV =============== */
.nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:transparent;
  transition:background .35s ease, box-shadow .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav__inner{
  max-width:var(--wrap);
  margin:0 auto;
  padding:16px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav__brand{display:flex;align-items:center;gap:10px;}
.nav__logo{height:50px;width:auto;}
.nav__brandtext{
  font-family:var(--mono);
  font-weight:600;
  letter-spacing:.08em;
  font-size:15px;
  color:var(--paper);
  transition:color .35s ease;
}
.nav.is-scrolled .nav__brandtext{color:var(--ink);}

.nav__links{display:flex;align-items:center;gap:30px;}
.nav__links a{
  font-size:14.5px;
  font-weight:500;
  color:var(--paper);
  transition:color .2s ease;
  position:relative;
}
.nav.is-scrolled .nav__links a{color:var(--ink-2);}
.nav__links a:hover{color:var(--red);}
.nav.is-scrolled .nav__cta{
  background:var(--red);
  color:#fff;
  padding:9px 18px;
  border-radius:3px;
}
.nav__cta{
  background:rgba(255,255,255,.14);
  padding:9px 18px;
  border-radius:3px;
  border:1px solid rgba(255,255,255,.3);
}
.nav.is-scrolled .nav__cta{border-color:transparent;}
.nav__cta:hover{background:var(--red-dim) !important;color:#fff !important;}

.nav__burger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:6px;
}
.nav__burger span{
  width:22px;height:2px;background:var(--paper);
  transition:background .3s ease;
}
.nav.is-scrolled .nav__burger span{background:var(--ink);}

/* =============== HERO =============== */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  background:var(--ink);
  padding-top:110px;
}
.hero__media{position:absolute;inset:0;}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:70% 40%;}
.hero__scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(10,12,14,.92) 0%, rgba(10,12,14,.68) 42%, rgba(10,12,14,.22) 75%, rgba(10,12,14,.35) 100%),
    linear-gradient(0deg, rgba(10,12,14,.55) 0%, rgba(10,12,14,0) 40%);
}
.hero__content{
  position:relative;
  z-index:2;
  max-width:640px;
  padding:0 28px 110px;
  margin:0 auto 0 max(28px, calc((100vw - var(--wrap)) / 2 + 28px));
}
.hero__title{
  color:#fff;
  font-size:clamp(38px,6vw,64px);
  line-height:1.04;
  letter-spacing:-.015em;
  margin-bottom:20px;
}
.hero__lead{
  color:var(--muted-light);
  font-size:16.5px;
  max-width:490px;
  margin-bottom:34px;
}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 26px;
  font-family:var(--body);
  font-weight:600;
  font-size:14.5px;
  border-radius:3px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn--red{background:var(--red);color:#fff;}
.btn--red:hover{background:var(--red-dim);}
.btn--signal{background:var(--signal);color:#191100;}
.btn--signal:hover{background:var(--signal-dim);color:#fff;}
.btn--ghost-light{border-color:rgba(255,255,255,.4);color:#fff;}
.btn--ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.08);}

/* HUD coordinate readout */
.hud{
  position:absolute;
  right:28px;
  bottom:38px;
  z-index:2;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--muted-light);
  background:rgba(10,14,16,.55);
  border:1px solid rgba(255,255,255,.14);
  border-radius:4px;
  padding:14px 16px;
  backdrop-filter:blur(4px);
  min-width:190px;
}
.hud__row{display:flex;justify-content:space-between;gap:18px;padding:2px 0;}
.hud__label{color:#7C8990;letter-spacing:.08em;}
.hud__val{color:#fff;font-weight:500;}
.hud__row--status{
  margin-top:8px;padding-top:8px;
  border-top:1px solid rgba(255,255,255,.14);
  align-items:center;color:#9FF0B0;letter-spacing:.05em;
}
.hud__dot{
  width:6px;height:6px;border-radius:50%;
  background:#3EDC66;margin-right:7px;display:inline-block;
  box-shadow:0 0 6px #3EDC66;
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}

@media (max-width:640px){
  .hud{display:none;}
}

.scrolldown{
  position:absolute;
  left:50%;bottom:26px;
  transform:translateX(-50%);
  z-index:2;
  width:22px;height:36px;
  border:1.5px solid rgba(255,255,255,.5);
  border-radius:12px;
}
.scrolldown span{
  position:absolute;top:6px;left:50%;
  width:3px;height:8px;
  background:#fff;
  border-radius:2px;
  transform:translateX(-50%);
  animation:scrolldot 1.8s ease-in-out infinite;
}
@keyframes scrolldot{
  0%{opacity:1;top:6px;}
  70%{opacity:0;top:18px;}
  100%{opacity:0;top:6px;}
}

/* =============== MARQUEE =============== */
.marquee{
  background:var(--ink);
  border-top:1px solid var(--line-dark);
  border-bottom:1px solid var(--line-dark);
  overflow:hidden;
  white-space:nowrap;
  padding:13px 0;
}
.marquee__track{
  display:inline-flex;
  gap:0;
  animation:marquee 32s linear infinite;
}
.marquee__track span{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted-light);
  padding:0 26px;
  border-right:1px solid var(--line-dark);
}
@keyframes marquee{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}

/* =============== HELPS =============== */
.helps{padding:100px 0 90px;}
.helps__grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  background:var(--line);
  border:1px solid var(--line);
  margin-top:50px;
}
.helpcard{
  background:var(--paper);
  padding:34px 30px 38px;
}
.helpcard__icon{width:38px;height:38px;color:var(--red);margin-bottom:22px;}
.helpcard h3{font-size:19px;margin-bottom:10px;}
.helpcard p{color:var(--muted);font-size:14.5px;margin:0;}

@media (max-width:820px){
  .helps__grid{grid-template-columns:1fr;}
}

/* =============== SERVICE SECTIONS =============== */
.service{padding:100px 0;position:relative;overflow:hidden;}
.service--topo{background:var(--paper-2);}
.service--geo{background:var(--ink);}

.service__head{max-width:680px;margin-bottom:56px;position:relative;z-index:2;}
.service__lead{font-size:17px;color:var(--muted);margin:0;}
.service__lead--light{color:var(--muted-light);}

.service__body{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:56px;
  position:relative;
  z-index:2;
}
.service__body--reverse{grid-template-columns:1fr 300px;}

.servicelist li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-top:1px solid var(--line);
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.4;
}
.servicelist li:last-child{border-bottom:1px solid var(--line);}
.servicelist--light li{border-color:var(--line-dark);color:var(--muted-light);}

.mark{
  flex:none;
  width:11px;height:11px;
  margin-top:3px;
  position:relative;
}
.mark::before,.mark::after{
  content:'';position:absolute;background:var(--red);
}
.mark::before{width:11px;height:1.6px;top:5px;left:0;}
.mark::after{width:1.6px;height:11px;left:5px;top:0;}
.mark--signal::before,.mark--signal::after{background:var(--signal);}

/* Gallery grid — mosaic */
.gallery{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:150px;
  gap:10px;
}
.gallery__item{
  position:relative;
  margin:0;
  overflow:hidden;
  border-radius:3px;
  grid-row:span 1;
  cursor:zoom-in;
}
.gallery__item:focus-visible{outline:2px solid var(--signal);outline-offset:2px;}
.gallery__item--tall{grid-row:span 2;}
.gallery__item--wide{grid-column:span 2;grid-row:span 2;}
.gallery__item img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.gallery__item:hover img{transform:scale(1.06);}
.gallery__item figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:20px 12px 10px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.04em;
  color:#fff;
  background:linear-gradient(0deg, rgba(0,0,0,.75), rgba(0,0,0,0));
}

.geo__photos{display:flex;flex-direction:column;gap:10px;}
.gallery__item--feature{grid-row:auto;height:340px;}
.geo__photos .gallery__item:not(.gallery__item--feature){height:190px;}

.geo__canvas{
  position:absolute;inset:0;
  width:100%;height:100%;
  display:block;
  z-index:1;
  opacity:.24;
  pointer-events:none;
}

@media (max-width:900px){
  .service__body,.service__body--reverse{grid-template-columns:1fr;}
  .gallery{grid-template-columns:repeat(2,1fr);}
  .gallery__item--wide{grid-column:span 2;}
}
@media (max-width:520px){
  .gallery__item--tall{grid-row:span 1;}
  .gallery__item--wide{grid-row:span 1;}
}

/* =============== EXTRA SERVICES =============== */
.extra{padding:100px 0;}
.extra__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
  margin-top:50px;
}
.extracard{
  border:1px solid var(--line);
  border-radius:4px;
  padding:28px 22px;
  transition:border-color .2s ease, transform .2s ease;
}
.extracard:hover{border-color:var(--steel-2);transform:translateY(-3px);}
.extracard svg{width:34px;height:34px;color:var(--steel);margin-bottom:18px;}
.extracard h3{font-size:16px;margin-bottom:9px;}
.extracard p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.5;}

@media (max-width:900px){
  .extra__grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:520px){
  .extra__grid{grid-template-columns:1fr;}
}

/* =============== ABOUT =============== */
.about{padding:100px 0;background:var(--paper-2);}

.about__intro{
  display:grid;
  grid-template-columns:320px 1fr;
  gap:56px;
  align-items:center;
  margin-top:50px;
}
.about__media img{border-radius:4px;aspect-ratio:3/4;object-fit:cover;width:100%;}
.about__introtext p{
  color:var(--muted);
  font-size:16px;
  line-height:1.65;
  margin:0 0 18px;
  max-width:620px;
}
.about__introtext p:last-child{margin-bottom:0;}

.pillars{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:2px;
  background:var(--line);
  border:1px solid var(--line);
  margin-top:64px;
}
.pillar{background:var(--paper);padding:36px 34px 40px;}
.pillar__icon{width:38px;height:38px;color:var(--red);margin-bottom:20px;}
.pillar h3{font-size:19px;margin-bottom:12px;}
.pillar p{color:var(--muted);font-size:14.5px;margin:0;line-height:1.6;}

.why{margin-top:70px;}
.why__title{
  font-size:clamp(22px,3vw,28px);
  margin-bottom:34px;
}
.why__grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:26px;
}
.whycard{
  border:1px solid var(--line);
  border-radius:4px;
  padding:28px 26px;
  background:var(--paper);
  transition:border-color .2s ease, transform .2s ease;
}
.whycard:hover{border-color:var(--red);transform:translateY(-3px);}
.whycard svg{width:32px;height:32px;color:var(--steel);margin-bottom:16px;}
.whycard h4{
  font-family:var(--display);
  font-size:16.5px;
  margin:0 0 9px;
  font-weight:700;
}
.whycard p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.55;}

@media (max-width:820px){
  .about__intro{grid-template-columns:1fr;}
  .about__media img{aspect-ratio:3/4;}
  .pillars{grid-template-columns:1fr;}
  .why__grid{grid-template-columns:1fr;}
}

/* =============== CONTACT =============== */
.contact{
  background:var(--ink);
  padding:100px 0;
  position:relative;
  overflow:hidden;
}
.contact__wrap{
  display:grid;
  grid-template-columns:1fr 340px;
  gap:40px;
  position:relative;z-index:2;
}
.contact__lead{color:var(--muted-light);font-size:16px;max-width:460px;margin-bottom:40px;}
.contact__data{margin-bottom:34px;}
.contact__row{
  display:flex;
  gap:18px;
  padding:16px 0;
  border-top:1px solid var(--line-dark);
  align-items:baseline;
  flex-wrap:wrap;
}
.contact__row:last-child{border-bottom:1px solid var(--line-dark);}
.contact__label{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:#7C8990;
  width:52px;flex:none;
}
.contact__value{
  font-family:var(--mono);
  font-size:19px;
  color:#fff;
  font-weight:500;
  transition:color .2s ease;
  word-break:break-word;
  overflow-wrap:anywhere;
  min-width:0;
  flex:1 1 200px;
}
a.contact__value:hover{color:var(--signal);}
.contact__actions{display:flex;gap:14px;flex-wrap:wrap;}

.contact__right{display:flex;align-items:center;justify-content:center;}
.contact__tagline{
  font-family:var(--display);
  font-size:24px;
  line-height:1.35;
  color:var(--muted-light);
  border-left:2px solid var(--signal);
  padding-left:22px;
  font-style:italic;
}

.geo__canvas--contact{opacity:.35;}

@media (max-width:800px){
  .contact__wrap{grid-template-columns:1fr;}
  .contact__right{justify-content:flex-start;margin-top:30px;}
  .contact__tagline{font-size:20px;}
}

@media (max-width:480px){
  .contact__value{font-size:16px;}
}

/* =============== FOOTER =============== */
.footer{background:var(--ink);border-top:1px solid var(--line-dark);padding:26px 0;}
.footer__inner{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:12px;
}
.footer__brand{display:flex;align-items:center;gap:10px;color:var(--muted-light);font-size:13px;}
.footer__logo{height:22px;width:auto;}
.footer__copy{font-family:var(--mono);font-size:12px;color:#5B6268;margin:0;}

/* =============== MOBILE NAV =============== */
@media (max-width:860px){
  .nav__links{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(320px,80vw);
    background:var(--ink);
    border-left:1px solid var(--line-dark);
    box-shadow:-24px 0 48px rgba(0,0,0,.35);
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:28px;
    padding:0 40px;
    transform:translateX(100%);
    transition:transform .35s ease;
    z-index:102;
  }
  .nav__links.is-open{transform:translateX(0);}
  .nav__links a{color:#fff !important;font-size:18px;}
  .nav__burger{display:flex;position:relative;z-index:103;}
  .nav__burger span{transition:transform .28s ease, opacity .28s ease;}
  .nav__burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav__burger.is-open span:nth-child(2){opacity:0;}
  .nav__burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .nav__burger.is-open span{background:#fff;}
  .nav__scrim{
    position:fixed;inset:0;
    background:rgba(8,10,11,.55);
    opacity:0;pointer-events:none;
    transition:opacity .3s ease;
    z-index:101;
  }
  .nav__scrim.is-open{opacity:1;pointer-events:auto;}
  .hero__content{margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px;}
}

/* =============== LIGHTBOX =============== */
.lightbox{
  position:fixed;inset:0;
  background:rgba(8,10,11,.94);
  z-index:200;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:60px;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
}
.lightbox.is-open{opacity:1;pointer-events:auto;}
.lightbox__figure{
  max-width:min(90vw,1100px);
  max-height:88vh;
  margin:0;
  display:flex;
  flex-direction:column;
  align-items:center;
}
.lightbox__figure img{
  max-width:100%;
  max-height:76vh;
  width:auto;height:auto;
  object-fit:contain;
  border-radius:3px;
  box-shadow:0 30px 80px rgba(0,0,0,.5);
}
.lightbox__figure figcaption{
  margin-top:16px;
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--muted-light);
  text-align:center;
}
.lightbox__close{
  position:absolute;
  top:22px;right:26px;
  background:none;border:none;
  color:#fff;font-size:36px;line-height:1;
  cursor:pointer;padding:8px 12px;
  transition:color .2s ease;
}
.lightbox__close:hover{color:var(--signal);}
.lightbox__nav{
  position:absolute;top:50%;
  transform:translateY(-50%);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.25);
  color:#fff;
  width:48px;height:48px;
  border-radius:50%;
  font-size:26px;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease, border-color .2s ease;
}
.lightbox__nav:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.4);}
.lightbox__nav--prev{left:22px;}
.lightbox__nav--next{right:22px;}

@media (max-width:640px){
  .lightbox{padding:20px;}
  .lightbox__nav{width:40px;height:40px;font-size:20px;}
  .lightbox__nav--prev{left:8px;}
  .lightbox__nav--next{right:8px;}
  .lightbox__close{top:12px;right:14px;font-size:30px;}
}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease, transform .7s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}