:root{
  --ink:#0c0c0c;
  --muted:#6b6b6b;
  --line:#e6e6e6;
  --bg:#ffffff;
  --sans:"Be Vietnam Pro",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:100%;max-width:1240px;margin-inline:auto;padding-inline:40px}

.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.72rem;font-weight:600;color:var(--muted)}

/* Barra de progreso */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--ink);z-index:100;transition:width .1s linear}

/* Botones */
.btn-outline{display:inline-block;border:1px solid var(--ink);padding:14px 26px;font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-solid{display:inline-block;background:var(--ink);color:#fff;padding:14px 26px;font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;transition:transform .3s var(--ease),opacity .3s}
.btn-solid:hover{opacity:.9;transform:translateY(-2px)}
.btn-solid--light{background:#fff;color:var(--ink)}
.btn-link{display:inline-block;color:#fff;padding:14px 6px;font-size:.74rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid transparent;transition:border-color .3s}
.btn-link:hover{border-color:#fff}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,0);transition:background .4s var(--ease),box-shadow .4s var(--ease),height .4s var(--ease)}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:84px;transition:height .4s var(--ease)}
.site-header.scrolled .header__inner{height:68px}
.logo img{height:34px;width:auto;transition:filter .4s}
.nav{display:flex;gap:38px}
.nav a{position:relative;font-size:.9rem;font-weight:500;color:#fff;transition:color .3s}
.site-header.scrolled .nav a{color:var(--ink)}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1.5px;background:currentColor;transition:right .3s var(--ease)}
.nav a:hover::after{right:0}
.header__right{display:flex;align-items:center;gap:20px}
.phone{font-size:.9rem;font-weight:600;letter-spacing:.02em;color:#fff;transition:color .3s}
.site-header.scrolled .phone{color:var(--ink)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:#fff;transition:background .3s,transform .3s}
.site-header.scrolled .burger span{background:var(--ink)}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:-8% 0;background:url(images/hero.jpg) center/cover no-repeat;animation:kenburns 14s var(--ease) forwards;will-change:transform}
@keyframes kenburns{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.3),rgba(0,0,0,.6))}
.hero__inner{position:relative;z-index:1;padding-bottom:96px;padding-top:120px}
.hero__eyebrow{text-transform:uppercase;letter-spacing:.22em;font-size:.74rem;font-weight:600;color:rgba(255,255,255,.85);margin-bottom:22px}
.hero__title{font-weight:500;font-size:clamp(2.6rem,6vw,5.2rem);line-height:1.02;letter-spacing:-.03em}
.hero__actions{margin-top:38px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.hero__scroll{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);width:26px;height:42px;border:1px solid rgba(255,255,255,.4);border-radius:20px;z-index:1}
.hero__scroll span{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:4px;height:8px;background:#fff;border-radius:2px;animation:scrolldot 1.8s var(--ease) infinite}
@keyframes scrolldot{0%{opacity:0;top:8px}40%{opacity:1}100%{opacity:0;top:24px}}

/* Animación de entrada del hero */
.hero-anim{opacity:0;transform:translateY(34px);animation:heroUp 1s var(--ease) forwards;animation-delay:var(--d,0s)}
@keyframes heroUp{to{opacity:1;transform:none}}

/* Quiénes somos */
.about{padding:120px 0 110px}
.about__lead{margin-top:26px;max-width:1000px;font-weight:600;font-size:clamp(1.6rem,3.4vw,2.9rem);line-height:1.16;letter-spacing:-.03em;color:var(--ink)}
.about__cols{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:46px;max-width:900px}
.about__cols p{color:var(--muted);font-size:1.02rem}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin-top:90px;padding-top:60px;border-top:1px solid var(--line)}
.stat__num{display:flex;align-items:baseline;font-weight:600;font-size:clamp(2.6rem,5vw,4rem);letter-spacing:-.04em;line-height:1}
.stat__num .plus{color:var(--muted)}
.stat p{margin-top:18px;color:var(--muted);font-size:.96rem;max-width:300px}

/* Títulos de sección */
.section-title{font-weight:700;font-size:clamp(2rem,5vw,3.6rem);letter-spacing:-.04em;line-height:1.05;margin-bottom:56px}
.section-title span{color:var(--muted);font-weight:300}

/* Servicios */
.services{padding:30px 0 120px}
.service{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding:46px 0}
.service--reverse .service__media{order:2}
.service__media{overflow:hidden;border-radius:2px}
.service__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .9s var(--ease)}
.service:hover .service__media img{transform:scale(1.05)}
.service__index{font-weight:300;font-size:2.2rem;color:var(--muted);letter-spacing:-.02em}
.service__body h3{margin:10px 0 18px;font-weight:600;font-size:clamp(1.6rem,3vw,2.4rem);letter-spacing:-.03em}
.service__body p{color:var(--muted);font-size:1.02rem;margin-bottom:30px;max-width:520px}

/* Proyectos */
.projects{padding:30px 0 120px;border-top:1px solid var(--line)}
.projects__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.project{display:block}
.project__media{overflow:hidden;border-radius:2px}
.project__media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .8s var(--ease)}
.project:hover .project__media img{transform:scale(1.06)}
.project h3{margin-top:18px;font-weight:600;font-size:1.5rem;letter-spacing:-.02em;transition:color .3s}
.project:hover h3{color:var(--muted)}
.projects__cta{margin-top:54px;text-align:center}

/* Tu Nuevo Hogar */
.newhome{padding:30px 0 120px;border-top:1px solid var(--line)}
.newhome__media{margin-bottom:60px;overflow:hidden;border-radius:2px}
.newhome__media img{width:100%;height:auto;transition:transform 1s var(--ease)}
.newhome__media:hover img{transform:scale(1.03)}
.newhome__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.newhome__lead{font-weight:600;font-size:clamp(1.5rem,3vw,2.2rem);letter-spacing:-.03em;line-height:1.18;margin-bottom:28px}
.steps{list-style:none;display:grid;gap:26px}
.steps li{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;color:var(--muted);font-size:1.02rem;padding-bottom:24px;border-bottom:1px solid var(--line)}
.steps li span{font-weight:600;color:var(--ink);font-size:1.1rem}

/* Cita */
.quote{padding:110px 0;background:var(--ink);color:#fff}
.quote blockquote{font-weight:300;font-size:clamp(1.6rem,4vw,3rem);line-height:1.22;letter-spacing:-.03em;max-width:1000px}
.quote__author{margin-top:30px;text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;color:rgba(255,255,255,.6)}

/* Footer */
.site-footer{padding-top:90px;border-top:1px solid var(--line)}
.footer__inner{display:flex;justify-content:space-between;gap:60px;flex-wrap:wrap;padding-bottom:60px}
.footer__brand img{height:36px;margin-bottom:18px}
.footer__brand p{color:var(--muted);max-width:280px;margin-bottom:14px}
.footer__brand .phone{color:var(--ink)}
.footer__cols{display:flex;gap:80px}
.footer__cols h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;margin-bottom:16px}
.footer__cols a{display:block;color:var(--muted);font-size:.95rem;margin-bottom:10px;transition:color .2s}
.footer__cols a:hover{color:var(--ink)}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:26px 0 34px;border-top:1px solid var(--line);color:var(--muted);font-size:.84rem}

/* Reveal al hacer scroll */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:900px){
  .nav{position:fixed;inset:84px 0 auto 0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .4s var(--ease)}
  .nav.open{transform:none}
  .nav a{color:var(--ink);padding:16px 40px;border-top:1px solid var(--line)}
  .nav a::after{display:none}
  .burger{display:flex}
  .phone{display:none}
  .about__cols{grid-template-columns:1fr;gap:24px}
  .stats{grid-template-columns:1fr;gap:40px}
  .service,.service--reverse .service__media{grid-template-columns:1fr;order:0}
  .service{gap:24px}
  .projects__grid{grid-template-columns:1fr}
  .newhome__grid{grid-template-columns:1fr;gap:40px}
  .footer__inner{flex-direction:column;gap:40px}
}
@media(max-width:560px){
  .container{padding-inline:22px}
  .footer__cols{gap:50px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal,.hero-anim{opacity:1 !important;transform:none !important}
}

/* ===== Widget flotante de WhatsApp ===== */
.wa-fab{position:fixed;right:22px;bottom:22px;z-index:95;width:58px;height:58px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.3);transition:transform .25s ease;animation:waPulse 2.8s infinite}
.wa-fab:hover{transform:scale(1.08)}
@keyframes waPulse{0%{box-shadow:0 8px 24px rgba(0,0,0,.3),0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 8px 24px rgba(0,0,0,.3),0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 8px 24px rgba(0,0,0,.3),0 0 0 0 rgba(37,211,102,0)}}
@media(max-width:560px){.wa-fab{width:52px;height:52px;right:16px;bottom:16px}}

/* Proyecto destacado (Residencial Comèt) */
.project--feat{grid-column:1/-1}
.project--feat .project__media img{aspect-ratio:21/9}
.project__badge{display:inline-block;margin-left:10px;vertical-align:middle;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:#0a352b;background:#cdaf72;padding:4px 10px;border-radius:999px}
@media(max-width:560px){.project--feat .project__media img{aspect-ratio:3/2}}

/* ===== Logo header: blanco sobre hero, negro al hacer scroll ===== */
.logo img{height:36px;width:auto;display:block}
.logo .logo--dark{display:none}
.site-header.scrolled .logo--light{display:none}
.site-header.scrolled .logo--dark{display:block}

/* Proyecto destacado Comèt: lado a lado (imagen + texto) */
.project--feat{grid-column:1/-1;display:grid;grid-template-columns:1fr 1.1fr;gap:0;background:var(--ink);color:#fff;border-radius:4px;overflow:hidden}
.project--feat .project__media{height:100%}
.project--feat .project__media img{width:100%;height:100%;aspect-ratio:auto;object-fit:cover;object-position:center;min-height:360px}
.project--feat__body{padding:clamp(28px,4vw,52px);display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:14px}
.project--feat__body h3{font-family:var(--sans);font-weight:600;font-size:clamp(1.6rem,3vw,2.4rem);letter-spacing:-.02em;color:#fff;margin:0}
.project--feat__body p{color:rgba(255,255,255,.72);font-size:1.02rem;max-width:420px}
.project--feat__cta{font-weight:600;font-size:.92rem;letter-spacing:.02em;color:#fff;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:3px;transition:gap .3s}
.project--feat:hover .project--feat__cta{border-color:#fff}
.project--feat:hover h3{color:#fff}
@media(max-width:760px){
  .project--feat{grid-template-columns:1fr}
  .project--feat .project__media img{min-height:300px;aspect-ratio:4/3}
}

/* Badges de estatus en tarjetas de proyecto */
.project__media{position:relative}
.project__tag{position:absolute;top:14px;left:14px;z-index:3;font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600;padding:6px 12px;border-radius:999px}
.project__tag--available{background:#cdaf72;color:#0a352b}
.project__tag--sold{background:rgba(12,12,12,.8);color:#fff;backdrop-filter:blur(2px)}
.project:has(.project__tag--sold) .project__media img{filter:grayscale(.35) brightness(.82)}