/* ==========================================================================
   Construcciones y Reformas Mosma — hoja de estilo principal
   Sierra de Guadarrama · obra, piedra y reforma integral
   ========================================================================== */

/* --------------------------------------------------------------- tokens -- */
:root{
  --ink:#0A0E14;
  --ink-2:#121822;
  --ink-3:#1B2430;
  --bone:#F3F0EA;
  --bone-2:#E3DCD0;
  --granite:#8C9096;
  --brand:#2CA6CF;          /* azul del logotipo */
  --brand-soft:#6FC6E4;
  --navy:#2A394E;           /* azul marino del logotipo */
  --line:rgba(243,240,234,.15);
  --line-dark:rgba(10,14,20,.14);

  --font-display:"Anton",Impact,"Haettenschweiler","Arial Narrow",sans-serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;

  --gutter:clamp(1.25rem,5vw,5.5rem);
  --maxw:1400px;
  --ease:cubic-bezier(.22,1,.36,1);
  --header-h:76px;
}

/* ---------------------------------------------------------------- reset -- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}
body{
  margin:0;
  background:var(--ink);
  color:var(--bone);
  font-family:var(--font-body);
  font-size:clamp(1rem,.96rem + .2vw,1.075rem);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:400;text-wrap:balance}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:2px}

/* ------------------------------------------------------------ tipografía -- */
.display{
  font-family:var(--font-display);
  text-transform:uppercase;
  line-height:.86;
  letter-spacing:-.01em;
  font-weight:400;
}
.t-hero{font-size:clamp(3.1rem,11.5vw,10.5rem)}
.t-xl{font-size:clamp(2.6rem,7.2vw,6.2rem)}
.t-l{font-size:clamp(2rem,4.4vw,3.6rem)}
.t-m{font-size:clamp(1.4rem,2.4vw,2.1rem)}
.lead{font-size:clamp(1.05rem,1rem + .55vw,1.4rem);line-height:1.55;color:inherit}
.muted{color:var(--granite)}
.em{color:var(--brand)}
.outline-text{
  color:transparent;
  -webkit-text-stroke:1.5px var(--bone);
  paint-order:stroke fill;
}

.display + .lead,.display + p{margin-top:clamp(1.1rem,2vw,1.6rem)}

.eyebrow{
  display:inline-flex;align-items:center;gap:.7rem;
  font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  font-weight:600;color:var(--brand);margin:0 0 1.4rem;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--brand)}
.section-dark .eyebrow{color:var(--brand-soft)}

/* --------------------------------------------------------------- layout -- */
.shell{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
section{position:relative}
.section-pad{padding-block:clamp(5rem,11vw,10rem)}
.section-light{background:var(--bone);color:var(--ink)}
.section-light .muted{color:#61656B}
.section-light .outline-text{-webkit-text-stroke-color:var(--ink)}

/* --------------------------------------------------------------- botones -- */
.btn{
  --btn-bg:var(--brand);--btn-fg:#fff;
  position:relative;display:inline-flex;align-items:center;gap:.8rem;
  padding:1.05rem 1.9rem;background:var(--btn-bg);color:var(--btn-fg);
  font-weight:600;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;
  border-radius:2px;overflow:hidden;isolation:isolate;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.btn::after{
  content:"";position:absolute;inset:0;z-index:-1;background:var(--ink);
  transform:translateY(101%);transition:transform .45s var(--ease);
}
.btn:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(44,166,207,.3)}
.btn:hover::after{transform:translateY(0)}
.btn svg{width:17px;height:17px;flex:none}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--bone);border:1px solid var(--line)}
.btn--ghost::after{background:var(--bone)}
.btn--ghost:hover{--btn-fg:var(--ink);box-shadow:none}
.section-light .btn--ghost{--btn-fg:var(--ink);border-color:var(--line-dark)}
.section-light .btn--ghost::after{background:var(--ink)}
.section-light .btn--ghost:hover{--btn-fg:var(--bone)}

.link-arrow{
  display:inline-flex;align-items:center;gap:.6rem;font-weight:600;
  font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;
  border-bottom:1px solid currentColor;padding-bottom:.35rem;
  transition:gap .35s var(--ease),color .35s var(--ease);
}
.link-arrow:hover{gap:1.1rem;color:var(--brand)}

/* -------------------------------------------------------------- cabecera -- */
.header{
  position:fixed;inset:0 0 auto;z-index:100;height:var(--header-h);
  display:flex;align-items:center;
  transition:background .45s var(--ease),border-color .45s var(--ease),height .45s var(--ease);
  border-bottom:1px solid transparent;
}
.header.is-stuck{
  height:64px;background:rgba(10,14,20,.88);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;width:100%}
.brand{display:flex;align-items:center;gap:.75rem;flex:none}
.brand__mark{width:auto;height:40px;flex:none;object-fit:contain;transition:height .45s var(--ease)}
.header.is-stuck .brand__mark{height:34px}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__name{font-family:var(--font-display);font-size:1.28rem;letter-spacing:.02em;text-transform:uppercase}
.brand__tag{font-size:.58rem;letter-spacing:.3em;text-transform:uppercase;color:var(--granite);margin-top:.28rem}

.nav{display:flex;align-items:center;gap:2.2rem}
.nav a{
  position:relative;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;
  color:var(--bone);opacity:.82;white-space:nowrap;transition:opacity .3s
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-7px;width:100%;height:1.5px;background:var(--brand);
  transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease);
}
.nav a:hover{opacity:1}
.nav a:hover::after{transform:scaleX(1);transform-origin:left}
.header__cta{display:flex;align-items:center;gap:1rem;flex:none}
.header__phone{
  display:inline-flex;align-items:center;gap:.6rem;font-weight:600;font-size:.9rem;letter-spacing:.02em;
}
.header__phone svg{width:16px;height:16px;color:var(--brand)}
.burger{display:none;width:46px;height:46px;position:relative;z-index:101;border:1px solid var(--line);border-radius:2px}
.burger span{position:absolute;left:13px;width:20px;height:1.5px;background:var(--bone);transition:transform .4s var(--ease),opacity .3s}
.burger span:nth-child(1){top:19px}
.burger span:nth-child(2){top:25px}
.is-open .burger span:nth-child(1){transform:translateY(3px) rotate(45deg)}
.is-open .burger span:nth-child(2){transform:translateY(-3px) rotate(-45deg)}

/* menú móvil */
.menu{
  position:fixed;inset:0;z-index:95;background:var(--ink);
  display:flex;flex-direction:column;justify-content:center;gap:.2rem;
  padding:var(--header-h) var(--gutter) 3rem;
  clip-path:inset(0 0 100% 0);transition:clip-path .6s var(--ease);
  visibility:hidden;
}
.is-open .menu{clip-path:inset(0 0 0 0);visibility:visible}
.menu a{
  font-family:var(--font-display);text-transform:uppercase;font-size:clamp(2rem,9vw,3.4rem);
  line-height:1.12;opacity:0;transform:translateY(18px);
  transition:opacity .5s var(--ease),transform .5s var(--ease),color .3s;
}
.menu a:hover{color:var(--brand)}
.is-open .menu a{opacity:1;transform:none;transition-delay:calc(.18s + var(--i,0) * .06s)}
.menu__foot{margin-top:2.6rem;display:flex;flex-direction:column;gap:.7rem;align-items:flex-start}
.menu__foot a{
  font-family:var(--font-body);font-size:1rem;line-height:1.4;text-transform:none;
  color:var(--bone-2);font-weight:500;overflow-wrap:anywhere;
}
.menu__foot a:hover{color:var(--brand)}

/* ------------------------------------------------------------------ hero -- */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:flex-end;
  padding-top:calc(var(--header-h) + 2rem);padding-bottom:clamp(2rem,5vw,4rem);
  overflow:hidden;isolation:isolate;
}
.hero__media{position:absolute;inset:0;z-index:-2;display:flex;gap:clamp(.5rem,1vw,1rem);opacity:.55}
.hero__col{flex:1;min-width:0;overflow:hidden;position:relative}
.hero__track{display:flex;flex-direction:column;gap:clamp(.5rem,1vw,1rem);will-change:transform;animation:drift 46s linear infinite}
.hero__col:nth-child(2) .hero__track{animation-duration:58s;animation-direction:reverse}
.hero__col:nth-child(3) .hero__track{animation-duration:52s}
.hero__col:nth-child(4) .hero__track{animation-duration:64s;animation-direction:reverse}
.hero__track img{width:100%;aspect-ratio:3/4;object-fit:cover;filter:grayscale(.35) contrast(1.06)}
@keyframes drift{from{transform:translateY(0)}to{transform:translateY(-50%)}}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(120% 90% at 15% 85%,rgba(10,14,20,.97) 0%,rgba(10,14,20,.74) 45%,rgba(10,14,20,.38) 100%),
    linear-gradient(to top,var(--ink) 4%,rgba(10,14,20,.3) 55%,rgba(10,14,20,.78) 100%);
}
.hero__grain{
  position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.34'/%3E%3C/svg%3E");
}
.hero__inner{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.hero__kicker{
  display:flex;align-items:center;gap:.9rem;margin-bottom:clamp(1.2rem,3vw,2rem);
  font-size:.72rem;letter-spacing:.26em;text-transform:uppercase;font-weight:600;color:var(--bone);
}
.hero__kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:none;animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(44,166,207,.65)}70%{box-shadow:0 0 0 12px rgba(44,166,207,0)}}
.hero h1{margin:0 0 clamp(1.4rem,3vw,2.2rem)}
.hero h1 .line{display:block;overflow:hidden;padding-top:.12em;margin-top:-.12em}
.hero h1 .line>span{display:block;transform:translateY(105%);animation:rise .95s var(--ease) forwards}
.hero h1 .line:nth-child(1)>span{animation-delay:.15s}
.hero h1 .line:nth-child(2)>span{animation-delay:.27s}
.hero h1 .line:nth-child(3)>span{animation-delay:.39s}
@keyframes rise{to{transform:translateY(0)}}
.hero__bottom{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:2.4rem;
  border-top:1px solid var(--line);padding-top:clamp(1.4rem,3vw,2.2rem);
}
.hero__claim{max-width:46ch;color:var(--bone-2)}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem}
.scroll-hint{
  position:absolute;right:var(--gutter);bottom:clamp(2rem,5vw,4rem);
  writing-mode:vertical-rl;font-size:.65rem;letter-spacing:.3em;text-transform:uppercase;
  color:var(--granite);display:flex;align-items:center;gap:1rem;
}
.scroll-hint::after{content:"";width:1px;height:64px;background:linear-gradient(var(--granite),transparent)}
@media (max-width:900px){.scroll-hint{display:none}}

/* -------------------------------------------------------------- marquesina -- */
.ticker{
  background:var(--brand);color:#fff;padding:.9rem 0;overflow:hidden;
  border-block:1px solid rgba(0,0,0,.12);
}
.ticker__track{display:flex;width:max-content;animation:slide 42s linear infinite}
.ticker:hover .ticker__track{animation-play-state:paused}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ticker__group{display:flex;align-items:center;gap:2.6rem;padding-right:2.6rem}
.ticker span{
  font-family:var(--font-display);text-transform:uppercase;font-size:clamp(1rem,1.8vw,1.5rem);
  letter-spacing:.03em;white-space:nowrap;
}
.ticker .sep{width:9px;height:9px;background:#fff;transform:rotate(45deg);flex:none}

/* ------------------------------------------------------------------ intro -- */
.intro__grid{display:grid;grid-template-columns:1fr;gap:clamp(2.5rem,5vw,5rem)}
@media (min-width:980px){.intro__grid{grid-template-columns:1.05fr .95fr;align-items:start}}
.intro__statement{font-family:var(--font-display);text-transform:uppercase;line-height:.95;
  font-size:clamp(1.75rem,3.4vw,3rem);margin:0 0 1.8rem}
.intro__statement .em{display:inline}
.intro__img{position:relative}
.intro__img img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:2px}
.intro__badge{
  position:absolute;left:-1rem;bottom:-1.4rem;background:var(--ink);color:var(--bone);
  padding:1.3rem 1.6rem;border-left:3px solid var(--brand);max-width:15rem;
}
.intro__badge b{font-family:var(--font-display);font-size:2.4rem;display:block;line-height:1}
.intro__badge small{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--granite)}

.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:clamp(3rem,6vw,5rem);
  background:var(--line-dark);border-block:1px solid var(--line-dark)}
@media (min-width:760px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--bone);padding:clamp(1.4rem,3vw,2.4rem) clamp(1rem,2vw,1.6rem)}
.stat b{display:block;font-family:var(--font-display);font-size:clamp(2.4rem,5vw,3.8rem);line-height:1;letter-spacing:-.01em}
.stat span{display:block;margin-top:.6rem;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:#61656B}

/* ------------------------------------------------------------- servicios -- */
.section-dark{background:var(--ink);color:var(--bone)}
.sec-head{display:grid;gap:1.6rem;margin-bottom:clamp(2.5rem,5vw,4rem)}
@media (min-width:900px){
  .sec-head{grid-template-columns:1fr auto;align-items:end;gap:3rem}
  .sec-head__aside{max-width:38ch;text-align:right}
}
.svc{border-top:1px solid var(--line)}
.svc__item{position:relative;border-bottom:1px solid var(--line)}
.svc__head{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:clamp(1rem,3vw,2.5rem);
  width:100%;text-align:left;padding:clamp(1.5rem,3.4vw,2.4rem) 0;
  transition:padding-inline .45s var(--ease),color .35s;
}
.svc__item:hover .svc__head,.svc__item.is-open .svc__head{padding-inline:clamp(.5rem,1.5vw,1.4rem)}
.svc__num{font-family:var(--font-display);font-size:.95rem;color:var(--brand);letter-spacing:.05em}
.svc__title{font-family:var(--font-display);text-transform:uppercase;font-size:clamp(1.5rem,4vw,3rem);line-height:1;transition:color .35s}
.svc__item:hover .svc__title,.svc__item.is-open .svc__title{color:var(--brand)}
.svc__plus{position:relative;width:26px;height:26px;flex:none}
.svc__plus::before,.svc__plus::after{content:"";position:absolute;background:var(--bone);transition:transform .45s var(--ease),background .35s}
.svc__plus::before{top:12.5px;left:0;width:26px;height:1.5px}
.svc__plus::after{left:12.5px;top:0;width:1.5px;height:26px}
.svc__item.is-open .svc__plus::after{transform:rotate(90deg)}
.svc__item.is-open .svc__plus::before,.svc__item.is-open .svc__plus::after{background:var(--brand)}
.svc__panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .55s var(--ease)}
.svc__item.is-open .svc__panel{grid-template-rows:1fr}
.svc__panel>div{overflow:hidden}
.svc__body{
  display:grid;gap:1.8rem;padding-bottom:clamp(1.8rem,3vw,2.6rem);
}
@media (min-width:860px){.svc__body{grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}}
.svc__body img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:2px}
.svc__tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem}
.svc__tags li{
  font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--bone-2);
  border:1px solid var(--line);padding:.42rem .8rem;border-radius:100px;
}
/* vista previa flotante en escritorio */
.svc__preview{
  position:fixed;top:0;left:0;width:min(21vw,300px);aspect-ratio:3/4;z-index:80;
  pointer-events:none;opacity:0;transform:translate3d(-50%,-50%,0) scale(.9) rotate(-3deg);
  transition:opacity .35s var(--ease),transform .5s var(--ease);
  box-shadow:0 30px 60px rgba(0,0,0,.5);overflow:hidden;border-radius:2px;
}
.svc__preview img{width:100%;height:100%;object-fit:cover}
.svc__preview.is-visible{opacity:1;transform:translate3d(-50%,-50%,0) scale(1) rotate(-3deg)}
@media (max-width:1024px),(pointer:coarse){.svc__preview{display:none}}

/* -------------------------------------------------------------- proyectos -- */
.filters{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:clamp(1.8rem,4vw,2.8rem)}
@media (max-width:640px){
  .filters{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;
    margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter);padding-bottom:.4rem}
  .filters::-webkit-scrollbar{display:none}
  .filters button{flex:none}
}
.filters button{
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
  padding:.62rem 1.1rem;border:1px solid var(--line-dark);border-radius:100px;
  transition:background .3s,color .3s,border-color .3s;
}
.filters button:hover{border-color:var(--ink)}
.filters button.is-active{background:var(--ink);color:var(--bone);border-color:var(--ink)}
.section-dark .filters button{border-color:var(--line)}
.section-dark .filters button.is-active{background:var(--brand);border-color:var(--brand);color:#fff}

.grid-work{
  display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(.5rem,1.2vw,1rem);
  grid-auto-flow:dense;
}
@media (min-width:720px){.grid-work{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1100px){.grid-work{grid-template-columns:repeat(4,1fr)}}
.work{
  position:relative;overflow:hidden;background:var(--ink-2);border-radius:2px;
  aspect-ratio:3/4;display:block;width:100%;padding:0;text-align:left;
  transition:opacity .45s var(--ease),transform .45s var(--ease);
}
.work--wide{grid-column:span 2;aspect-ratio:3/2}
@media (max-width:719px){.work--wide{grid-column:span 2;aspect-ratio:4/3}}
.work img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease),filter .6s}
.work:hover img{transform:scale(1.07)}
.work__veil{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:clamp(.9rem,2vw,1.4rem);gap:.35rem;
  background:linear-gradient(to top,rgba(10,14,20,.92) 0%,rgba(10,14,20,.38) 42%,rgba(10,14,20,0) 72%);
  opacity:.92;transition:opacity .4s;
}
.work__cat{font-size:.63rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brand-soft);font-weight:600}
.work__name{font-family:var(--font-display);text-transform:uppercase;font-size:clamp(.95rem,1.5vw,1.25rem);line-height:1.02;color:var(--bone)}
.work__place{font-size:.74rem;color:var(--granite)}
.work__zoom{
  position:absolute;top:.9rem;right:.9rem;width:36px;height:36px;border-radius:50%;
  background:rgba(243,240,234,.12);backdrop-filter:blur(6px);display:grid;place-items:center;
  opacity:0;transform:scale(.8);transition:opacity .35s,transform .35s var(--ease);
}
.work:hover .work__zoom{opacity:1;transform:scale(1)}
.work__zoom svg{width:15px;height:15px;color:var(--bone)}
.work.is-hidden{display:none}

/* lightbox */
.lightbox{
  position:fixed;inset:0;z-index:120;background:rgba(6,9,13,.95);backdrop-filter:blur(8px);
  display:grid;place-items:center;padding:clamp(1rem,4vw,3rem);
  opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility .4s;
}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox__fig{margin:0;max-width:min(1100px,100%);display:flex;flex-direction:column;align-items:center;gap:1rem}
.lightbox__fig img{max-height:74svh;width:auto;object-fit:contain;border-radius:2px}
.lightbox__cap{text-align:center}
.lightbox__cap strong{display:block;font-family:var(--font-display);text-transform:uppercase;font-size:1.3rem;letter-spacing:.02em}
.lightbox__cap span{font-size:.8rem;color:var(--granite)}
.lb-btn{
  position:absolute;width:52px;height:52px;border:1px solid var(--line);border-radius:50%;
  display:grid;place-items:center;background:rgba(10,14,20,.65);transition:background .3s,border-color .3s
}
.lb-btn:hover{background:var(--brand);border-color:var(--brand)}
.lb-btn svg{width:18px;height:18px}
.lb-close{top:clamp(1rem,3vw,2rem);right:clamp(1rem,3vw,2rem)}
.lb-prev{left:clamp(.5rem,2vw,2rem);top:50%;transform:translateY(-50%)}
.lb-next{right:clamp(.5rem,2vw,2rem);top:50%;transform:translateY(-50%)}

/* --------------------------------------------------------------- proceso -- */
.steps{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
@media (min-width:860px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{background:var(--ink);padding:clamp(1.8rem,3vw,2.6rem);position:relative;overflow:hidden}
.step::before{
  content:"";position:absolute;inset:auto 0 0 0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease);
}
.step.is-in::before{transform:scaleX(1)}
.step b{font-family:var(--font-display);font-size:3.2rem;line-height:1;color:transparent;-webkit-text-stroke:1.3px var(--granite);display:block;margin-bottom:1rem}
.step h3{font-family:var(--font-display);text-transform:uppercase;font-size:1.25rem;margin-bottom:.7rem;letter-spacing:.01em}
.step p{color:var(--granite);font-size:.95rem;margin:0}

/* ----------------------------------------------------------------- zonas -- */
.zonas__grid{display:grid;gap:clamp(2rem,5vw,4rem)}
@media (min-width:1000px){.zonas__grid{grid-template-columns:.9fr 1.1fr;align-items:center}}
.zona-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.zona{
  background:var(--bone);padding:1.05rem 1.1rem;display:flex;align-items:center;gap:.7rem;
  font-weight:600;font-size:.92rem;transition:background .35s,color .35s;
}
.zona:hover{background:var(--ink);color:var(--bone)}
.zona::before{content:"";width:6px;height:6px;background:var(--brand);transform:rotate(45deg);flex:none}
.map-wrap{position:relative}
.map-wrap svg{width:100%;height:auto;display:block}
.map-note{
  margin-top:1.2rem;font-size:.82rem;color:#61656B;display:flex;align-items:center;gap:.6rem;
}
.map-note::before{content:"";width:22px;height:1px;background:currentColor;flex:none}

/* ---------------------------------------------------------------- valores -- */
.vals{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:clamp(3rem,6vw,5rem)}
@media (min-width:700px){.vals{grid-template-columns:repeat(3,1fr)}}
.val{background:var(--ink);padding:clamp(1.8rem,3vw,2.4rem)}
.val svg{width:30px;height:30px;color:var(--brand);margin-bottom:1.1rem}
.val h3{font-family:var(--font-display);text-transform:uppercase;font-size:1.15rem;margin-bottom:.6rem}
.val p{color:var(--granite);font-size:.94rem;margin:0}

/* --------------------------------------------------------------- contacto -- */
.cta-band{position:relative;overflow:hidden;isolation:isolate;background:var(--ink-2)}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.22;
  background:url("../img/proyectos/camino-granito-jardin.jpg") center/cover no-repeat;
  filter:grayscale(.5);
}
.cta-band::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,var(--ink) 18%,rgba(10,14,20,.6) 100%)}

.contact__grid{display:grid;gap:clamp(2.5rem,5vw,4.5rem)}
@media (min-width:980px){.contact__grid{grid-template-columns:.85fr 1.15fr}}
.contact__info{display:flex;flex-direction:column;gap:1.6rem}
.cinfo{display:flex;gap:1rem;align-items:flex-start}
.cinfo svg{width:20px;height:20px;color:var(--brand);flex:none;margin-top:.3rem}
.cinfo b{display:block;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--granite);margin-bottom:.25rem;font-weight:600}
.cinfo a,.cinfo p{font-size:1.05rem;margin:0;transition:color .3s}
.cinfo a:hover{color:var(--brand)}

/* tarjetas de acción: llamada y WhatsApp */
.contact__actions{display:flex;flex-direction:column;gap:1rem;justify-content:stretch}
.ccard{
  position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;
  align-content:center;
  gap:clamp(1rem,2.5vw,1.6rem);padding:clamp(1.4rem,3vw,2rem);
  background:rgba(243,240,234,.045);border:1px solid var(--line);border-radius:3px;
  overflow:hidden;isolation:isolate;
  transition:transform .45s var(--ease),border-color .45s var(--ease),background .45s var(--ease);
}
.ccard::before{
  content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:bottom;transition:transform .5s var(--ease);
}
.ccard:hover{transform:translateY(-4px);border-color:rgba(243,240,234,.3);background:rgba(243,240,234,.07)}
.ccard:hover::before{transform:scaleY(1);transform-origin:top}
.ccard__icon{
  width:54px;height:54px;flex:none;border-radius:50%;display:grid;place-items:center;
  background:var(--brand);color:#fff;transition:transform .45s var(--ease);
}
.ccard--wa .ccard__icon{background:#25D366}
.ccard:hover .ccard__icon{transform:scale(1.07)}
.ccard__icon svg{width:24px;height:24px}
.ccard__body{display:flex;flex-direction:column;gap:.3rem;min-width:0}
.ccard__label{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--granite);font-weight:600}
.ccard__value{
  font-size:clamp(1.35rem,3vw,1.9rem);text-transform:uppercase;line-height:1;
  letter-spacing:.01em;overflow-wrap:anywhere;
}
.ccard__note{font-size:.88rem;color:var(--granite);line-height:1.45;margin-top:.25rem}
@media (min-width:980px){
  /* las dos tarjetas reparten el alto de la columna: bloques grandes y fáciles de pulsar */
  .ccard{flex:1 1 0;min-height:11rem}
  .contact__foot{flex:none}
}
.ccard__arrow{width:22px;height:22px;flex:none;color:var(--granite);transition:transform .45s var(--ease),color .45s}
.ccard:hover .ccard__arrow{transform:translateX(6px);color:var(--brand)}
@media (max-width:520px){
  .ccard{grid-template-columns:auto 1fr;gap:1rem}
  .ccard__arrow{display:none}
}
.contact__foot{
  margin:.6rem 0 0;font-size:.92rem;color:var(--granite);
  border-top:1px solid var(--line);padding-top:1.4rem;
}
.contact__foot strong{color:var(--bone);font-weight:600}

/* ------------------------------------------------------------------ footer -- */
.footer{background:#070A0F;border-top:1px solid var(--line);padding-block:clamp(3rem,6vw,4.5rem) 2rem}
.footer__top{display:grid;gap:2.5rem;margin-bottom:3rem}
@media (min-width:900px){.footer__top{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer__logo{display:inline-block}
.footer__logo img{width:clamp(170px,16vw,215px);height:auto}
.footer h4{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--granite);margin-bottom:1.1rem;font-weight:600}
.footer li{margin-bottom:.55rem}
.footer li a{font-size:.94rem;color:var(--bone-2);transition:color .3s}
.footer li a:hover{color:var(--brand)}
.footer__brandtext{max-width:34ch;color:var(--granite);font-size:.94rem;margin-top:1.1rem}
.footer__bottom{
  border-top:1px solid var(--line);padding-top:1.6rem;display:flex;flex-wrap:wrap;gap:1rem;
  justify-content:space-between;align-items:center;font-size:.8rem;color:var(--granite);
}
.footer__bottom nav{display:flex;flex-wrap:wrap;gap:1.4rem}
.footer__bottom a:hover{color:var(--brand)}

/* --------------------------------------------------------- acciones fijas -- */
.float-wa{
  position:fixed;right:clamp(1rem,2.5vw,2rem);bottom:clamp(1rem,2.5vw,2rem);z-index:85;
  width:56px;height:56px;border-radius:50%;background:#25D366;display:grid;place-items:center;
  box-shadow:0 12px 30px rgba(0,0,0,.35);transition:transform .35s var(--ease);
}
.float-wa:hover{transform:scale(1.08)}
.float-wa svg{width:28px;height:28px;color:#fff}
@media (max-width:640px){.float-wa{bottom:calc(64px + 1rem)}}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:86;display:none;
  grid-template-columns:1fr 1fr 1.1fr;background:var(--ink-2);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-bar a{
  display:flex;align-items:center;justify-content:center;gap:.55rem;padding:1.15rem .5rem;
  font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;
}
.mobile-bar a{border-left:1px solid var(--line)}
.mobile-bar a:first-child{border-left:0}
.mobile-bar__wa{color:#25D366}
.mobile-bar__cta{background:var(--brand);color:#fff;border-left-color:var(--brand)}
.mobile-bar svg{width:16px;height:16px}
@media (max-width:640px){
  .mobile-bar{display:grid}
  .footer{padding-bottom:6rem}
  /* la acción de WhatsApp ya vive en la barra inferior */
  .float-wa{display:none}
}

/* ----------------------------------------------------------- animaciones -- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.1s}
.reveal[data-d="2"]{transition-delay:.2s}
.reveal[data-d="3"]{transition-delay:.3s}
.reveal[data-d="4"]{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  .hero h1 .line>span{transform:none}
  .hero__track,.ticker__track{animation:none}
}

/* ------------------------------------------------------------ páginas doc -- */
.doc{padding-top:calc(var(--header-h) + clamp(3rem,7vw,6rem))}
.doc h1{margin-bottom:2rem}
.doc h2{font-family:var(--font-display);text-transform:uppercase;font-size:1.4rem;margin:2.5rem 0 1rem}
.doc p,.doc li{color:var(--bone-2);max-width:78ch}
.doc ul{list-style:disc;padding-left:1.3rem;margin-bottom:1.2rem}
.doc li{margin-bottom:.5rem}
.doc a{color:var(--brand);text-decoration:underline}

/* ------------------------------------------------------------ responsive -- */
@media (max-width:980px){
  .nav,.header__phone{display:none}
  .burger{display:block}
  .hero__media .hero__col:nth-child(n+3){display:none}
}
@media (max-width:760px){
  /* el botón de presupuesto ya está en la barra inferior fija */
  .header__cta .btn{display:none}
}
@media (max-width:640px){
  .hero__media .hero__col:nth-child(n+2){display:none}
  .hero__media{opacity:.4}
  .hero{padding-bottom:calc(64px + 1.5rem)}
  .hero__actions .btn{flex:1 1 100%;justify-content:space-between}
  .intro__badge{left:0;bottom:-1rem}
  .lightbox__fig img{max-height:64svh}
}

/* ------------------------------------------------------------ skip link -- */
.skip-link:focus{
  position:fixed!important;left:var(--gutter)!important;top:1rem!important;z-index:200;
}