/* ============================================================
   AGZ Remodelaciones — hoja de estilos
   Paleta: negro + dorado
   ============================================================ */

:root{
  --black:#0a0a0a;
  --black-2:#111111;
  --black-3:#171717;
  --ink:#1c1c1c;

  --gold:#c9a227;
  --gold-light:#e8c766;
  --gold-soft:rgba(201,162,39,.14);
  --gold-line:rgba(201,162,39,.32);

  --white:#ffffff;
  --cream:#f6f4f0;
  --muted:#8a8a8a;
  --muted-light:#b8b3aa;

  --wa:#25d366;

  --font-display:'Cormorant Garamond', Georgia, serif;
  --font-body:'Jost', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --maxw:1200px;
  --radius:4px;
  --shadow:0 18px 50px rgba(0,0,0,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:82px;-webkit-text-size-adjust:100%}

body{
  margin:0;
  font-family:var(--font-body);
  font-weight:300;
  font-size:17px;
  line-height:1.7;
  color:var(--ink);
  background:var(--cream);
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3{margin:0;font-family:var(--font-display);font-weight:600;line-height:1.15;letter-spacing:.01em}
p{margin:0}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- tipografia auxiliar ---------- */
.eyebrow{
  font-size:12px;
  letter-spacing:.24em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--gold);
  margin-bottom:14px;
}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;
  font-family:var(--font-body);
  font-size:14px;font-weight:500;
  letter-spacing:.09em;text-transform:uppercase;
  border:1px solid transparent;border-radius:var(--radius);
  cursor:pointer;
  transition:all .35s var(--ease);
  white-space:nowrap;
}
.btn .icon{width:19px;height:19px;fill:currentColor}

.btn--gold{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 50%,var(--gold) 100%);
  background-size:200% 100%;
  color:#191100;
  box-shadow:0 10px 28px rgba(201,162,39,.28);
}
.btn--gold:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 14px 34px rgba(201,162,39,.4)}

.btn--ghost{border-color:var(--gold-line);color:var(--gold-light);background:transparent}
.btn--ghost:hover{background:var(--gold-soft);border-color:var(--gold);color:var(--gold-light)}

.btn--sm{padding:11px 22px;font-size:12.5px}
.btn--lg{padding:18px 40px;font-size:15px}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  padding:18px 0;
  transition:all .4s var(--ease);
}
.header--scrolled{
  padding:10px 0;
  background:rgba(10,10,10,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(201,162,39,.18);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px}

.brand{display:flex;align-items:center;gap:13px}
.brand__logo{
  width:48px;height:48px;border-radius:50%;object-fit:cover;
  border:1.5px solid var(--gold-line);
  transition:width .4s var(--ease),height .4s var(--ease);
}
.header--scrolled .brand__logo{width:42px;height:42px}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__text strong{
  font-family:var(--font-display);font-size:25px;font-weight:700;
  color:var(--gold-light);letter-spacing:.08em;
}
.brand__text small{
  font-size:10px;letter-spacing:.26em;text-transform:uppercase;
  color:rgba(255,255,255,.72);font-weight:400;
}

.nav{display:flex;align-items:center;gap:34px}
.nav a{
  font-size:14px;font-weight:400;letter-spacing:.05em;
  color:rgba(255,255,255,.86);
  position:relative;padding:4px 0;
  transition:color .3s var(--ease);
}
.nav a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold);transition:width .35s var(--ease);
}
.nav a:hover{color:var(--gold-light)}
.nav a:hover::after{width:100%}

.nav__cta{
  border:1px solid var(--gold-line);border-radius:var(--radius);
  padding:11px 22px !important;
  color:var(--gold-light) !important;
  font-size:13px !important;letter-spacing:.09em;text-transform:uppercase;
}
.nav__cta::after{display:none}
.nav__cta:hover{background:var(--gold-soft);border-color:var(--gold)}

.burger{
  display:none;flex-direction:column;gap:5px;
  background:none;border:0;cursor:pointer;padding:8px;
}
.burger span{
  display:block;width:26px;height:2px;background:var(--gold-light);
  transition:transform .35s var(--ease),opacity .25s var(--ease);
}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;align-items:center;
  padding:150px 0 110px;
  background:var(--black);
  overflow:hidden;
}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{
  width:100%;height:100%;object-fit:cover;
  opacity:.42;
  transform:scale(1.06);
  animation:heroZoom 18s var(--ease) forwards;
}
@keyframes heroZoom{to{transform:scale(1)}}
.hero__bg::after{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(10,10,10,.95) 0%,rgba(10,10,10,.78) 45%,rgba(10,10,10,.45) 100%),
    linear-gradient(to top,rgba(10,10,10,1) 0%,transparent 40%);
}

.hero__inner{position:relative;z-index:2;max-width:790px}

.hero__title{
  font-size:clamp(3rem,7.2vw,5.6rem);
  color:var(--white);
  margin-bottom:26px;
  letter-spacing:-.005em;
}
.hero__title em{
  font-style:italic;font-weight:400;
  background:linear-gradient(100deg,var(--gold) 0%,var(--gold-light) 45%,var(--gold) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero__text{
  font-size:clamp(1.05rem,1.9vw,1.28rem);
  color:rgba(255,255,255,.8);
  max-width:600px;margin-bottom:40px;font-weight:300;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:56px}

.hero__badges{display:flex;flex-wrap:wrap;gap:14px 40px}
.hero__badges li{
  font-size:13.5px;letter-spacing:.05em;
  color:rgba(255,255,255,.62);
  padding-left:20px;position:relative;
}
.hero__badges li::before{
  content:'';position:absolute;left:0;top:.72em;
  width:8px;height:8px;transform:rotate(45deg);
  border:1px solid var(--gold);
}
.hero__badges span{color:var(--gold-light);font-weight:500}

.hero__scroll{
  position:absolute;left:50%;bottom:34px;transform:translateX(-50%);
  width:1px;height:56px;background:linear-gradient(to bottom,transparent,var(--gold));
  z-index:2;
}
.hero__scroll::after{
  content:'';position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--gold);
  animation:scrollDot 2s var(--ease) infinite;
}
@keyframes scrollDot{0%,100%{opacity:1;transform:translate(-50%,0)}50%{opacity:.25;transform:translate(-50%,-14px)}}

/* ============================================================
   SECCIONES
   ============================================================ */
.section{padding:110px 0;background:var(--cream)}
.section--dark{background:var(--black);color:var(--white)}
.section--contact{
  background:linear-gradient(160deg,var(--black-2) 0%,#050505 100%);
  color:var(--white);
}

.section__head{max-width:720px;margin:0 auto 62px;text-align:center}
.section__title{font-size:clamp(2.1rem,4.4vw,3.3rem);margin-bottom:18px}
.section--dark .section__title,.section--contact .section__title{color:var(--white)}
.section__sub{color:var(--muted);font-size:1.05rem}
.section--dark .section__sub,.section--contact .section__sub{color:var(--muted-light)}

.section__note{
  margin-top:52px;text-align:center;color:var(--muted);font-size:1rem;
}
.section__note a{color:var(--gold);border-bottom:1px solid var(--gold-line);transition:border-color .3s}
.section__note a:hover{border-color:var(--gold)}

.grid{display:grid;gap:22px}
.grid--services{grid-template-columns:repeat(auto-fit,minmax(268px,1fr))}

/* ---------- cards de servicio ---------- */
.card{
  position:relative;
  background:var(--white);
  border:1px solid rgba(0,0,0,.07);
  border-radius:var(--radius);
  padding:38px 32px 34px;
  overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));
  transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease);
}
.card:hover{transform:translateY(-7px);box-shadow:0 22px 48px rgba(0,0,0,.10);border-color:var(--gold-line)}
.card:hover::before{transform:scaleX(1)}

.card__icon{
  width:56px;height:56px;margin-bottom:22px;
  display:grid;place-items:center;
  border:1px solid var(--gold-line);border-radius:var(--radius);
  background:var(--gold-soft);
  transition:background .4s var(--ease);
}
.card:hover .card__icon{background:rgba(201,162,39,.22)}
.card__icon svg{
  width:26px;height:26px;fill:none;
  stroke:var(--gold);stroke-width:1.5;
  stroke-linecap:round;stroke-linejoin:round;
}
.card h3{font-size:1.42rem;margin-bottom:11px}
.card p{color:var(--muted);font-size:.96rem;line-height:1.68}

/* ============================================================
   GALERIA
   ============================================================ */
.gallery{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:236px;
  gap:16px;
}
.gallery__item{
  position:relative;margin:0;overflow:hidden;
  border-radius:var(--radius);
  cursor:zoom-in;
  background:var(--black-3);
}
.gallery__item--tall{grid-row:span 2}
.gallery__item--wide{grid-column:span 2}

.gallery__item img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .8s var(--ease),filter .5s var(--ease);
}
.gallery__item:hover img{transform:scale(1.07);filter:brightness(.62)}

.gallery__item figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 22px 20px;
  display:flex;flex-direction:column;gap:3px;
  font-family:var(--font-display);font-size:1.2rem;color:var(--white);
  background:linear-gradient(to top,rgba(0,0,0,.9),transparent);
  opacity:0;transform:translateY(14px);
  transition:opacity .45s var(--ease),transform .45s var(--ease);
}
.gallery__item figcaption span{
  font-family:var(--font-body);font-size:11px;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--gold-light);
}
.gallery__item:hover figcaption{opacity:1;transform:translateY(0)}

.gallery__cta{margin-top:52px;text-align:center}
.gallery__cta p{color:var(--muted-light);margin-bottom:20px}
.gallery__social{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============================================================
   PROCESO
   ============================================================ */
.steps{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(238px,1fr));
  gap:20px;
}
.step{
  position:relative;padding:38px 28px 32px;
  background:var(--white);
  border:1px solid rgba(0,0,0,.07);border-radius:var(--radius);
  transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.step:hover{transform:translateY(-6px);border-color:var(--gold-line)}
.step__num{
  display:block;
  font-family:var(--font-display);font-size:2.9rem;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--gold);
  margin-bottom:16px;
}
.step h3{font-size:1.28rem;margin-bottom:9px}
.step p{color:var(--muted);font-size:.95rem}

/* ============================================================
   COBERTURA
   ============================================================ */
.cobertura{
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:64px;align-items:center;
}
.cobertura .section__title{margin-bottom:18px}
.cobertura .section__sub{margin-bottom:28px}

.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.chips li{
  font-size:13px;letter-spacing:.04em;
  padding:9px 18px;
  border:1px solid rgba(201,162,39,.28);border-radius:100px;
  color:var(--gold-light);background:rgba(201,162,39,.07);
}
.cobertura__img{margin:0;overflow:hidden;border-radius:var(--radius);border:1px solid rgba(201,162,39,.2)}
.cobertura__img img{width:100%;height:100%;min-height:420px;object-fit:cover}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));
  gap:18px;margin-bottom:64px;
}
.contact-card{
  display:flex;flex-direction:column;gap:7px;
  padding:34px 30px;
  border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);
  background:rgba(255,255,255,.025);
  transition:all .4s var(--ease);
}
.contact-card:hover{
  border-color:var(--gold);background:rgba(201,162,39,.08);
  transform:translateY(-5px);
}
.contact-card__label{
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);
}
.contact-card__value{
  font-family:var(--font-display);font-size:1.6rem;font-weight:600;color:var(--white);
  word-break:break-word;
}
.contact-card__action{
  margin-top:6px;font-size:13px;letter-spacing:.06em;color:var(--muted-light);
  transition:color .3s var(--ease);
}
.contact-card:hover .contact-card__action{color:var(--gold-light)}

.contact-final{
  text-align:center;
  padding:56px 32px;
  border:1px solid rgba(201,162,39,.25);border-radius:var(--radius);
  background:radial-gradient(ellipse at top,rgba(201,162,39,.10),transparent 68%);
}
.contact-final h3{font-size:clamp(1.6rem,3vw,2.2rem);color:var(--white);margin-bottom:12px}
.contact-final p{color:var(--muted-light);margin-bottom:30px}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:#050505;color:var(--white);padding:64px 0 26px}
.footer__inner{
  display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:42px;
  padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer__brand{display:flex;align-items:center;gap:15px}
.footer__brand img{width:62px;height:62px;border-radius:50%;object-fit:cover;border:1px solid var(--gold-line)}
.footer__brand strong{
  display:block;font-family:var(--font-display);font-size:1.35rem;color:var(--gold-light);letter-spacing:.05em;
}
.footer__brand span{font-size:12px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}

.footer__nav{display:flex;flex-direction:column;gap:11px}
.footer__nav a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color .3s var(--ease)}
.footer__nav a:hover{color:var(--gold-light)}

.footer__contact{display:flex;flex-direction:column;gap:11px}
.footer__contact a{font-size:15px;color:var(--gold-light)}
.footer__contact span{font-size:13.5px;color:var(--muted)}

.footer__bottom{padding-top:24px;text-align:center}
.footer__bottom p{font-size:12.5px;letter-spacing:.05em;color:#5c5c5c}

/* ============================================================
   WHATSAPP FLOTANTE
   ============================================================ */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:950;
  display:flex;align-items:center;gap:9px;
  padding:14px 22px 14px 18px;
  background:var(--wa);color:#fff;
  border-radius:100px;
  font-size:14px;font-weight:500;letter-spacing:.06em;
  box-shadow:0 10px 32px rgba(37,211,102,.4);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.wa-float svg{width:24px;height:24px;fill:currentColor}
.wa-float:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 16px 40px rgba(37,211,102,.55)}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox{
  position:fixed;inset:0;z-index:1000;
  display:none;align-items:center;justify-content:center;
  background:rgba(5,5,5,.96);
  padding:60px 24px;
}
.lightbox.is-open{display:flex}
.lightbox img{max-width:min(1100px,92vw);max-height:86vh;object-fit:contain;border-radius:var(--radius)}
.lightbox__close{
  position:absolute;top:20px;right:26px;
  background:none;border:0;color:var(--gold-light);
  font-size:44px;line-height:1;cursor:pointer;
}
.lightbox__nav{
  position:absolute;top:50%;transform:translateY(-50%);
  background:rgba(255,255,255,.05);border:1px solid rgba(201,162,39,.3);
  color:var(--gold-light);
  width:52px;height:52px;border-radius:50%;
  font-size:30px;line-height:1;cursor:pointer;
  transition:background .3s var(--ease);
}
.lightbox__nav:hover{background:var(--gold-soft)}
.lightbox__nav--prev{left:20px}
.lightbox__nav--next{right:20px}

/* ============================================================
   ANIMACIONES DE ENTRADA
   ============================================================ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .gallery{grid-template-columns:repeat(3,1fr);grid-auto-rows:210px}
  .cobertura{grid-template-columns:1fr;gap:44px}
  .cobertura__img img{min-height:320px}
  .footer__inner{grid-template-columns:1fr 1fr;gap:34px}
  .footer__brand{grid-column:1/-1}
}

@media (max-width:820px){
  html{scroll-padding-top:72px}
  .section{padding:82px 0}

  .nav{
    position:fixed;inset:0 0 0 auto;
    width:min(84vw,340px);
    flex-direction:column;align-items:flex-start;justify-content:center;
    gap:26px;padding:0 40px;
    background:rgba(8,8,8,.985);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-left:1px solid rgba(201,162,39,.2);
    transform:translateX(100%);
    transition:transform .45s var(--ease);
  }
  .nav.is-open{transform:translateX(0)}
  .nav a{font-size:20px;font-family:var(--font-display)}
  .nav__cta{font-size:14px !important;font-family:var(--font-body) !important;margin-top:8px}
  .burger{display:flex;z-index:10}

  .header{background:rgba(10,10,10,.9);backdrop-filter:blur(12px);padding:12px 0}

  .hero{padding:130px 0 100px;min-height:auto}
  .hero__actions .btn{width:100%}
  .hero__badges{gap:12px 26px}

  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:190px}
  .gallery__item--wide{grid-column:span 2}
  .gallery__item--tall{grid-row:span 2}
  .gallery__item figcaption{opacity:1;transform:none;font-size:1rem;padding:18px 16px 14px}

  .lightbox__nav{width:44px;height:44px;font-size:25px}
  .lightbox__nav--prev{left:8px}
  .lightbox__nav--next{right:8px}

  .wa-float{right:16px;bottom:16px;padding:13px 19px 13px 16px}

  .footer__inner{grid-template-columns:1fr;gap:30px}
}

@media (max-width:520px){
  body{font-size:16px}
  .container{padding:0 18px}
  .gallery{grid-template-columns:1fr;grid-auto-rows:250px}
  .gallery__item--wide,.gallery__item--tall{grid-column:auto;grid-row:auto}
  .contact-final{padding:42px 22px}
  .contact-final .btn{width:100%}
  .wa-float span{display:none}
  .wa-float{padding:15px;border-radius:50%}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}