/* Reformas Montero — hoja de estilos
   Paleta y tipografía inspiradas en la referencia que pidió el cliente
   (drombuilders.com): crema cálido + tinta casi negra + serif ligera. */

@import url("https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;1,9..144,400&family=Inter:wght@400;500;600;700&display=swap");

:root{
  --paper:#FCFAF6;
  --paper-alt:#F2EEE5;
  --ink:#15130F;
  --ink-soft:#5B564C;
  --line:rgba(21,19,15,0.14);
  --bar:#0B0A08;
  --clay:#A24A2E;
  --font-display:'Fraunces', ui-serif, Georgia, serif;
  --font-body:'Inter', ui-sans-serif, system-ui, sans-serif;
  --wrap:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px;}
h1,h2,h3{font-family:var(--font-display);font-weight:400;text-wrap:balance;margin:0;}
p{margin:0;}
::selection{background:var(--ink);color:var(--paper);}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;}

.eyebrow{
  font-family:var(--font-body);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  display:inline-flex;
  align-items:center;
  gap:12px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--ink-soft);}

#servicios, #quienes-somos, #contacto, #trabajos{scroll-margin-top:100px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(252,250,246,0.92);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;
}
.logo-link img{height:40px;width:auto;}
nav.primary-nav{display:flex;align-items:center;gap:36px;}
nav.primary-nav a{
  font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink);position:relative;padding:4px 0;
}
nav.primary-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--ink);
  transition:width .25s ease;
}
nav.primary-nav a:hover::after{width:100%;}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:var(--paper);
  padding:11px 20px;border-radius:2px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  white-space:nowrap;
}
.nav-toggle{display:none;background:none;border:none;padding:8px;cursor:pointer;}
.nav-toggle span{display:block;width:24px;height:1.5px;background:var(--ink);margin:5px 0;}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:flex-end;color:#F5F1E8;}
.hero-media{position:absolute;inset:0;z-index:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(11,10,8,.55) 0%, rgba(11,10,8,.35) 40%, rgba(11,10,8,.82) 100%);
}
.hero-content{position:relative;z-index:1;width:100%;padding-bottom:64px;}
.hero .eyebrow{color:#E9E2D2;}
.hero .eyebrow::before{background:#E9E2D2;}
.hero h1{
  font-size:clamp(38px,6vw,74px);
  font-weight:300;
  line-height:1.04;
  letter-spacing:-.01em;
  margin-top:18px;
  max-width:14ch;
}
.hero p.lede{
  font-size:clamp(16px,1.6vw,19px);
  max-width:46ch;
  margin-top:22px;
  color:#EDE7D9;
  line-height:1.6;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;border-radius:2px;
  font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid transparent;
}
.btn-solid{background:#F5F1E8;color:var(--bar);}
.btn-outline{border-color:rgba(245,241,232,.55);color:#F5F1E8;}
.btn-solid:hover{background:#fff;}
.btn-outline:hover{border-color:#F5F1E8;}

.cta-bar{background:var(--bar);color:var(--paper);}
.cta-bar .wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 32px;flex-wrap:wrap;gap:12px;
}
.cta-bar span{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;}
.cta-bar a.arrow{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;}
.cta-bar a.arrow svg{vertical-align:-2px;margin-left:6px;}

/* ---------- generic section ---------- */
.section{padding:120px 0;border-bottom:1px solid var(--line);}
.section.alt{background:var(--paper-alt);}
.section-head{max-width:640px;margin-bottom:64px;}
.section-head h2{font-size:clamp(30px,4vw,44px);font-weight:300;margin-top:16px;letter-spacing:-.01em;}
.section-head p{margin-top:18px;color:var(--ink-soft);font-size:17px;line-height:1.65;max-width:56ch;}

/* ---------- services grid ---------- */
.services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.svc{
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:38px 34px;position:relative;min-height:200px;
  display:flex;flex-direction:column;justify-content:space-between;
}
.svc .num{
  position:absolute;top:22px;right:26px;
  font-size:12px;color:var(--ink-soft);font-variant-numeric:tabular-nums;letter-spacing:.05em;
}
.svc .icon{width:34px;height:34px;color:var(--ink);}
.svc h3{font-size:19px;font-weight:400;margin-top:26px;font-family:var(--font-display);}
.svc p{margin-top:10px;font-size:14.5px;color:var(--ink-soft);line-height:1.55;}

/* ---------- process ---------- */
.process-list{border-top:1px solid var(--line);}
.process-item{
  display:grid;grid-template-columns:120px 1fr 2fr;gap:24px;align-items:baseline;
  padding:30px 0;border-bottom:1px solid var(--line);
}
.process-item .stage{font-family:var(--font-body);font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--ink-soft);text-transform:uppercase;}
.process-item h3{font-size:24px;font-weight:400;}
.process-item p{color:var(--ink-soft);font-size:15.5px;line-height:1.6;max-width:52ch;}

/* ---------- gallery (antes/despues) ---------- */
.gallery-note{max-width:640px;color:var(--ink-soft);font-size:15px;margin-top:-40px;margin-bottom:56px;}
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.gallery-item{border:1px solid var(--line);}
.gallery-item img{width:100%;height:auto;display:block;}
.gallery-item figcaption{
  padding:16px 20px;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink-soft);border-top:1px solid var(--line);
}

/* ---------- quienes somos ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;}
.about-copy p{margin-top:20px;font-size:17px;line-height:1.75;color:var(--ink-soft);}
.about-copy p:first-of-type{margin-top:24px;}
.about-figure{border:1px solid var(--line);padding:40px;background:var(--paper);}
.about-figure .big-num{font-family:var(--font-display);font-size:64px;font-weight:300;line-height:1;}
.about-figure .stat-label{margin-top:8px;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);}
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
.stat-row + .stat-row{margin-top:36px;padding-top:36px;border-top:1px solid var(--line);}

/* ---------- contact ---------- */
.contact-section{background:var(--bar);color:var(--paper);}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;}
.contact-grid .section-head p{color:#C9C2B2;}
.contact-grid .section-head .eyebrow{color:#C9C2B2;}
.contact-grid .section-head .eyebrow::before{background:#C9C2B2;}
.contact-list{list-style:none;margin:0;padding:0;}
.contact-list li{padding:22px 0;border-top:1px solid rgba(245,241,232,.16);}
.contact-list li:last-child{border-bottom:1px solid rgba(245,241,232,.16);}
.contact-list .label{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#C9C2B2;}
.contact-list .value{margin-top:6px;font-size:19px;font-family:var(--font-display);}
.contact-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}

/* ---------- footer ---------- */
.site-footer{background:var(--bar);color:#C9C2B2;padding:36px 0;}
.site-footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;}
.site-footer img{height:26px;filter:brightness(0) invert(1);opacity:.85;}
.site-footer small{font-size:12.5px;letter-spacing:.03em;}

@media (max-width:900px){
  nav.primary-nav{position:fixed;top:84px;right:0;bottom:0;left:0;background:var(--paper);
    flex-direction:column;align-items:flex-start;padding:32px;gap:24px;
    display:none;z-index:90;overflow-y:auto;}
  nav.primary-nav.open{display:flex;}
  nav.primary-nav a{font-size:16px;}
  .nav-toggle{display:block;}
  .header-cta{display:none;}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:48px;}
  .gallery-grid{grid-template-columns:1fr;}
  .process-item{grid-template-columns:1fr;gap:8px;}
  .section{padding:80px 0;}
}
@media (max-width:560px){
  .services-grid{grid-template-columns:1fr;}
  .wrap{padding:0 20px;}
}