/* index.css — COMPLETO (compatible con tu index.html actual)
   ✅ No afecta otras páginas: todo está encapsulado por clases usadas en index.html
*/

:root{
  --bg:#0b0f14;
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.68);
  --stroke:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.06);
  --glass2:rgba(255,255,255,.09);
  --accent:#c77423;
  --accent2:#f2a365;
  --shadow:0 18px 55px rgba(0,0,0,.35);
  --r:18px;
}

*{box-sizing:border-box}
html,body{max-width:100%;overflow-x:hidden}
body{
  margin:0;
  font-family:"Montserrat",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 800px at 20% -10%, rgba(199,116,35,.22), transparent 55%),
    radial-gradient(900px 700px at 80% 0%, rgba(242,163,101,.16), transparent 60%),
    radial-gradient(900px 700px at 50% 110%, rgba(58,83,110,.18), transparent 60%),
    var(--bg);
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid rgba(242,163,101,.55);outline-offset:3px}

.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}

/* Topbar */
.topbar{
  position:fixed;inset:0 0 auto 0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 16px;
  background:rgba(10,14,19,.62);
  border-bottom:1px solid rgba(255,255,255,.06);
  backdrop-filter:blur(10px) saturate(160%);
}
.topbar__left,.topbar__right{display:flex;align-items:center;gap:10px}
.dot{opacity:.55}
.topbar a{font-weight:900;font-size:.92rem;opacity:.92;transition:transform .2s ease,opacity .2s ease}
.topbar a:hover{opacity:1;transform:translateY(-1px)}
.pill{
  padding:8px 10px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
}

/* Burger */
.burger{
  display:none;
  position:fixed;left:14px;top:66px;z-index:75;
  width:44px;height:44px;border-radius:14px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(10,14,19,.55);
  backdrop-filter:blur(10px) saturate(160%);
  cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.burger span{
  display:block;width:18px;height:2px;background:rgba(255,255,255,.9);
  margin:5px auto;border-radius:999px;
  transition:transform .2s ease,opacity .2s ease;
}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Nav */
.nav{
  position:fixed;top:52px;left:0;right:0;z-index:55;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 16px;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease;
}
.nav.is-scrolled{
  background:rgba(10,14,19,.62);
  border-bottom-color:rgba(255,255,255,.08);
  backdrop-filter:blur(10px) saturate(160%);
}
.brand{display:inline-flex;align-items:center;padding:8px 10px;border-radius:14px;transition:transform .2s ease}
.brand:hover{transform:translateY(-1px)}
.brand img{height:46px;width:auto;filter:drop-shadow(0 10px 24px rgba(0,0,0,.35))}
.menu{display:flex;align-items:center;gap:10px}
.link{
  font-weight:900;letter-spacing:.2px;font-size:.98rem;
  padding:10px 12px;border-radius:12px;opacity:.92;
  transition:opacity .2s ease,background .2s ease,transform .2s ease;
}
.link:hover{opacity:1;background:rgba(255,255,255,.06);transform:translateY(-1px)}
.link.is-active{background:rgba(199,116,35,.18);border:1px solid rgba(199,116,35,.25);opacity:1}
.cta{
  margin-left:6px;
  font-weight:900;
  padding:10px 14px;border-radius:999px;
  background:linear-gradient(135deg,rgba(199,116,35,.95),rgba(242,163,101,.86));
  color:#111;box-shadow:0 12px 30px rgba(199,116,35,.22);
  transition:transform .2s ease,filter .2s ease;
}
.cta:hover{transform:translateY(-1px);filter:brightness(1.05)}

/* Dropdown */
.dropdown{position:relative}
.dropdown__btn{display:inline-flex;align-items:center;gap:8px;background:transparent;border:0;color:inherit;cursor:pointer}
.dropdown__btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;opacity:.85}
.dropdown__panel{
  position:absolute;top:calc(100% + 10px);left:0;
  min-width:260px;padding:10px;border-radius:16px;
  background:rgba(12,16,22,.92);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px) saturate(140%);
  opacity:0;transform:translateY(6px);
  pointer-events:none;
  transition:opacity .16s ease,transform .16s ease;
}
.dropdown__panel a{
  display:block;padding:12px 12px;border-radius:12px;
  font-weight:900;color:rgba(255,255,255,.9);
  transition:background .16s ease,transform .16s ease;
}
.dropdown__panel a:hover{background:rgba(255,255,255,.06);transform:translateX(2px)}
.dropdown.is-open .dropdown__panel{opacity:1;transform:translateY(0);pointer-events:auto}

/* HERO */
.hero{
  position:relative;
  min-height:calc(100vh - 52px);
  display:grid;place-items:center;
  padding:54px 0 22px;
  overflow:hidden;
  padding-top:120px; /* espacio por topbar + nav */
}
.hero__bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.03);
  filter:saturate(1.05) contrast(1.02);
  animation:zoom 18s ease-in-out infinite alternate;
  background-image:url("images/casa mediana construccion.JPG"); /* Fallback por si JS no corre */
}
@keyframes zoom{from{transform:scale(1.02)}to{transform:scale(1.06)}}
.hero__overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(1200px 800px at 60% 20%, rgba(0,0,0,.25), rgba(0,0,0,.86)),
    linear-gradient(to top, rgba(11,15,20,.96), rgba(11,15,20,.28));
}
.hero__content{position:relative;z-index:2}

.badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  font-weight:900;font-size:.92rem;
  box-shadow:0 14px 40px rgba(0,0,0,.35);
}
.pulse{
  width:10px;height:10px;border-radius:999px;background:var(--accent);
  box-shadow:0 0 0 0 rgba(199,116,35,.55);
  animation:pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(199,116,35,.55)}
  70%{box-shadow:0 0 0 14px rgba(199,116,35,0)}
  100%{box-shadow:0 0 0 0 rgba(199,116,35,0)}
}

.h1{
  margin:16px 0 10px;
  font-size:clamp(2.05rem,4.6vw,3.65rem);
  line-height:1.06;
  font-weight:900;
  letter-spacing:-.7px;
  text-shadow:0 18px 55px rgba(0,0,0,.62);
}
.lead{
  margin:0;
  max-width:72ch;
  color:var(--muted);
  font-size:clamp(1rem,1.7vw,1.16rem);
  line-height:1.65;
}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:999px;padding:12px 16px;
  font-weight:900;font-size:.98rem;
  border:1px solid transparent;
  cursor:pointer;user-select:none;
  transition:transform .2s ease,filter .2s ease,background .2s ease,border-color .2s ease;
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.btn--primary{
  background:linear-gradient(135deg,rgba(199,116,35,.95),rgba(242,163,101,.86));
  color:#0b0f14;
  box-shadow:0 18px 55px rgba(199,116,35,.25);
}
.btn--ghost{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.12);
  color:rgba(255,255,255,.92);
}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}

.hero__microline{
  margin-top:14px;
  font-weight:900;
  color:rgba(255,255,255,.75);
  letter-spacing:.2px;
  display:inline-block;
  padding:10px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.06);
}

/* Quick cards */
.quickGrid{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
.quickCard{
  border-radius:18px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 18px 55px rgba(0,0,0,.22);
  padding:14px;
  cursor:pointer;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.quickCard:hover{
  transform:translateY(-4px);
  border-color:rgba(242,163,101,.22);
  box-shadow:0 26px 65px rgba(0,0,0,.26);
}
.qTitle{font-weight:900;font-size:1.05rem}
.qList{margin:10px 0 0;padding:0 0 0 18px;color:rgba(255,255,255,.78);line-height:1.55}
.qHint{margin-top:10px;font-weight:900;font-size:.85rem;color:rgba(242,163,101,.92)}

/* Hero arrows */
.arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(10,14,19,.45);
  backdrop-filter:blur(10px) saturate(160%);
  cursor:pointer;
  display:grid;place-items:center;
  transition:transform .2s ease,background .2s ease;
  z-index:3;
}
.arrow svg{width:22px;height:22px;fill:none;stroke:rgba(255,255,255,.9);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.arrow:hover{background:rgba(255,255,255,.08);transform:translateY(-50%) scale(1.02)}
.arrow--left{left:14px}
.arrow--right{right:14px}

/* Sections */
main{padding:24px 0 60px}
.section{padding:72px 0}
.section--alt{
  background:
    radial-gradient(900px 700px at 20% 0%, rgba(199,116,35,.12), transparent 60%),
    rgba(255,255,255,.02);
  border-top:1px solid rgba(255,255,255,.06);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.head{text-align:center;margin-bottom:26px}
.h2{
  margin:0;
  font-size:clamp(1.7rem,3.2vw,2.35rem);
  line-height:1.12;
  font-weight:900;
  letter-spacing:-.4px;
}
.sub{margin:10px auto 0;max-width:76ch;color:var(--muted);line-height:1.7}

/* Cards grandes (servicios docx) */
.cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin-top:18px;
}
.card{
  border-radius:20px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 18px 55px rgba(0,0,0,.18);
  padding:16px;
  cursor:pointer;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(242,163,101,.22);
  box-shadow:0 26px 65px rgba(0,0,0,.22);
}
.card--featured{
  background:linear-gradient(135deg,rgba(199,116,35,.18),rgba(255,255,255,.05));
  border-color:rgba(242,163,101,.16);
}

/* header interno de cada card */
.card__top{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}
.card__top h3{
  margin:0;
  font-weight:900;
  letter-spacing:.3px;
  font-size:1.05rem;
}

/* icon box */
.icon{
  width:44px;height:44px;border-radius:16px;
  display:grid;place-items:center;
  background:rgba(199,116,35,.18);
  border:1px solid rgba(199,116,35,.22);
  color:rgba(242,163,101,.95);
  flex:0 0 auto;
}
.icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2}

/* bullets */
.bullets{
  margin:0;
  padding:0 0 0 18px;
  color:rgba(255,255,255,.78);
  line-height:1.65;
  font-weight:600;
}
.bullets li{margin:4px 0}

/* bottom CTA */
.bottomCta{
  margin-top:18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 14px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}
.bottomLine{
  margin:0;
  font-weight:900;
  color:rgba(255,255,255,.78);
  letter-spacing:.2px;
}
.bottomBtns{display:flex;gap:10px;flex-wrap:wrap}

/* Videos area */
.videoGrid{
  margin-top:16px;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
.videoPlaceholder{
  border-radius:18px;
  padding:18px;
  border:1px dashed rgba(255,255,255,.18);
  background:rgba(255,255,255,.04);
  color:rgba(255,255,255,.72);
  text-align:center;
  font-weight:800;
}

/* WhatsApp flotante (tu HTML usa id="whatsapp") */
#whatsapp{
  position:fixed;right:18px;bottom:18px;z-index:80;
  width:54px;height:54px;border-radius:999px;
  display:grid;place-items:center;
  background:#25d366;
  box-shadow:0 18px 55px rgba(0,0,0,.35);
  transition:transform .2s ease,filter .2s ease;
}
#whatsapp:hover{transform:translateY(-2px);filter:brightness(1.03)}
#whatsapp svg{width:32px;height:32px}

/* Modal contacto */
.modal{
  position:fixed;inset:0;z-index:90;
  display:none;place-items:center;
  padding:18px;
  background:rgba(0,0,0,.65);
  backdrop-filter:blur(10px);
}
.modal.is-open{display:grid}
.modal__panel{
  width:min(760px,100%);
  border-radius:22px;
  padding:18px;
  background:rgba(12,16,22,.92);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow);
  position:relative;
  animation:pop .16s ease-out both;
}
@keyframes pop{
  from{opacity:0;transform:translateY(10px) scale(.98)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.modal__close{
  position:absolute;right:12px;top:10px;
  width:42px;height:42px;border-radius:14px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.9);
  cursor:pointer;
  font-size:1.4rem;line-height:1;
  transition:transform .2s ease,background .2s ease;
}
.modal__close:hover{transform:translateY(-1px);background:rgba(255,255,255,.1)}
.modal__head h3{margin:6px 0 4px;font-size:1.4rem;font-weight:900}
.modal__head p{margin:0 0 10px;color:var(--muted);line-height:1.55}

.contactBox{
  margin-top:10px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  overflow:hidden;
}
.contactRow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:12px 14px;
  border-top:1px solid rgba(255,255,255,.08);
}
.contactRow:first-child{border-top:0}
.k{font-weight:900;color:rgba(255,255,255,.80)}
.v{font-weight:800;color:rgba(242,163,101,.92)}
.v a{color:inherit;text-decoration:underline;text-underline-offset:3px}

.modal__actions{
  margin-top:14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.fine{margin:12px 0 0;color:rgba(255,255,255,.62);font-size:.85rem;line-height:1.45}

/* Reveal */
[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .7s ease,transform .7s ease;
}
.is-revealed{opacity:1;transform:translateY(0)}

/* Responsive */
@media (max-width:1100px){
  .quickGrid{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .videoGrid{grid-template-columns:1fr}
}
@media (max-width:780px){
  .burger{display:block}

  .menu{
    position:fixed;top:52px;left:0;right:0;z-index:65;
    display:grid;gap:6px;
    padding:12px;
    background:rgba(10,14,19,.78);
    border-bottom:1px solid rgba(255,255,255,.08);
    backdrop-filter:blur(12px) saturate(140%);
    transform:translateY(-110%);
    transition:transform .22s ease;
  }
  .menu[data-open="true"]{transform:translateY(0)}
  .cta{width:100%;text-align:center;margin-left:0}

  .dropdown__panel{
    position:static;
    opacity:1;transform:none;
    pointer-events:auto;
    display:none;
    margin-top:6px;
  }
  .dropdown.is-open .dropdown__panel{display:block}

  .bottomCta{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  *{
    animation-duration:1ms!important;
    animation-iteration-count:1!important;
    transition-duration:1ms!important;
    scroll-behavior:auto!important
  }
}
/* PEGAR ESTO AL FINAL de index.css (solo agrega estilos para esta sección) */
.segundas{
  text-align:center;
  padding:22px 12px;
}

.segundas__title{
  margin:0;
  font-size:clamp(1.6rem,3.1vw,2.2rem);
  font-weight:900;
  letter-spacing:-.3px;
  color:rgba(255,255,255,.92);
}

.segundas__sub{
  margin:10px auto 0;
  max-width:70ch;
  color:rgba(255,255,255,.70);
  line-height:1.7;
  font-weight:600;
}

.segundas__media{
  margin:18px auto 0;
  width:min(760px,100%);
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 18px 55px rgba(0,0,0,.35);
  background:rgba(255,255,255,.04);
}

.segundas__media img{
  width:100%;
  height:auto;
  display:block;
}

/* (Opcional) si querés que el fondo se parezca más a tu captura */
#videos.section--alt{
  background:rgba(255,255,255,.04);
}