/* ====== Marcas que dejan Marca — estilos compartidos ====== */
:root{
  --ink:#1a1916;
  --ink-soft:#52504a;
  --paper:#f7f4ee;
  --paper-2:#efeae0;
  --line:#ddd6c8;
  --accent:#b4452f;     /* terracota */
  --accent-2:#1f3a34;   /* verde profundo */
  --radius:14px;
  --maxw:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:500;line-height:1.12;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:18px;display:inline-block;
}

/* ---------- NAV ---------- */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(247,244,238,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-family:'Fraunces',serif;font-size:1.15rem;font-weight:600;letter-spacing:-.01em}
.brand span{color:var(--accent)}
nav.menu{display:flex;gap:34px;align-items:center}
nav.menu a{font-size:.92rem;color:var(--ink-soft);font-weight:500;transition:color .2s}
nav.menu a:hover{color:var(--ink)}
nav.menu a.active{color:var(--ink);font-weight:600}
nav.menu a.btn{background:transparent;color:var(--accent);border-color:var(--ink)}
nav.menu a.btn:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:translateY(-2px)}
.btn{
  display:inline-block;background:var(--ink);color:var(--paper);
  padding:11px 22px;border-radius:100px;font-size:.9rem;font-weight:500;
  transition:transform .2s,background .2s;border:1px solid var(--ink);cursor:pointer;
}
.btn:hover{transform:translateY(-2px);background:var(--accent);border-color:var(--accent)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--ink)}

/* ---------- HERO ---------- */
.hero{padding:96px 0 80px;border-bottom:1px solid var(--line)}
.hero .eyebrow{margin-bottom:22px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-photo{
  border-radius:var(--radius);overflow:hidden;aspect-ratio:4/5;
  background:linear-gradient(135deg,var(--accent-2),#2f5249);
}
.hero-photo img{width:100%;height:100%;object-fit:cover;display:block}
.hero h1{font-size:clamp(2.4rem,5vw,4rem);max-width:14ch;margin-bottom:26px}

/* ---------- HERO BANNER (imagen de fondo) ---------- */
.hero-banner{
  position:relative;min-height:80vh;display:flex;align-items:center;
  background:#1a1916 center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(18,16,14,.82) 0%, rgba(18,16,14,.55) 45%, rgba(18,16,14,.20) 100%),
             linear-gradient(0deg, rgba(18,16,14,.55) 0%, rgba(18,16,14,0) 45%);
}
.hero-banner .wrap{position:relative;z-index:2;padding-top:96px;padding-bottom:80px}
.hero-banner .eyebrow{color:#e9a08e}
.hero-banner h1{color:#fff;font-size:clamp(2.4rem,5.5vw,4.4rem);max-width:15ch;margin-bottom:26px}
.hero-banner p.lead{color:rgba(255,255,255,.92);margin-bottom:48px}
.hero-banner .btn{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.hero-banner .btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.hero-banner .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.hero-banner .btn.ghost:hover{background:#fff;color:var(--ink)}
.hero-banner .hero-meta{border-top-color:rgba(255,255,255,.25)}
.hero-banner .hero-meta .num{color:#fff}
.hero-banner .hero-meta .lbl{color:rgba(255,255,255,.8)}
.hero p.lead{font-size:clamp(1.05rem,2.2vw,1.35rem);color:var(--ink-soft);max-width:54ch;margin-bottom:38px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-meta{margin-top:54px;display:flex;gap:42px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:30px}
.hero-meta div span{display:block}
.hero-meta .num{font-family:'Fraunces',serif;font-size:2rem;color:var(--accent)}
.hero-meta .lbl{font-size:.85rem;color:var(--ink-soft)}

/* ---------- PAGE HEADER (páginas internas) ---------- */
.page-head{padding:80px 0 56px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(2.2rem,5.5vw,3.8rem);max-width:18ch;margin-bottom:18px}
.page-head p{font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--ink-soft);max-width:56ch}

/* ---------- LOGOS / MARCAS ---------- */
.logos-band{padding:56px 0;border-bottom:1px solid var(--line);text-align:center}
.logos-band .eyebrow{margin-bottom:26px}
.logos-band img{width:100%;max-width:880px;height:auto;margin:0 auto;display:block;mix-blend-mode:multiply}

/* ---------- SECTIONS ---------- */
section{padding:88px 0}
.section-head{max-width:60ch;margin-bottom:54px}
.section-head h2{font-size:clamp(1.8rem,4vw,2.8rem);margin-bottom:16px}
.section-head p{color:var(--ink-soft);font-size:1.05rem}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:center}
.about-photo{
  aspect-ratio:4/5;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,var(--accent-2),#2f5249);
  display:flex;align-items:flex-end;padding:26px;color:#f0ece2;
  font-family:'Fraunces',serif;font-size:1.1rem;position:sticky;top:100px;
}
.about-photo.with-photo{padding:0;display:block}
.about-photo img{width:100%;height:100%;object-fit:cover;display:block;border-radius:inherit}
.about-photo.tall{aspect-ratio:2/3}
.about-photo.tall img{object-position:center top}

/* Tira de fotos "en acción" */
.photo-strip{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:14px}
.photo-strip img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--radius);display:block}
@media(max-width:880px){.photo-strip{grid-template-columns:1fr}}
.prose{max-width:62ch}
.prose p{color:var(--ink-soft);margin-bottom:18px;font-size:1.08rem}
.prose p.strong{color:var(--ink);font-weight:500}
.prose .sign{font-family:'Fraunces',serif;color:var(--ink);font-size:1.15rem;margin-top:8px}
.prose h3{font-size:1.4rem;margin:34px 0 10px}

/* tres columnas qué/cómo/para qué */
.triple{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:14px}
.triple .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px}
.triple .card h3{font-size:1.3rem;color:var(--accent);margin-bottom:10px}
.triple .card p{color:var(--ink-soft);font-size:.98rem}

/* ---------- SERVICES ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 32px;transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden;
}
.svc:hover{transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(26,25,22,.4)}
.svc .idx{font-family:'Fraunces',serif;color:var(--accent);font-size:1rem;font-weight:600}
.svc h3{font-size:1.4rem;margin:10px 0 14px}
.svc p{color:var(--ink-soft);font-size:.98rem;margin-bottom:18px}
.svc .for{font-size:.85rem;color:var(--ink);font-weight:600;margin-bottom:6px}
.svc .for-txt{font-size:.9rem;color:var(--ink-soft)}
.svc-link{margin-top:18px;display:inline-block;color:var(--accent);font-weight:600;font-size:.92rem}
.svc-link:hover{text-decoration:underline}
.svc.wide{grid-column:1/-1}

/* ---------- CASE PREVIEW (home) ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:30px 28px;transition:background .25s;
}
.case:hover{background:rgba(255,255,255,.1)}
.case h3{color:#fff;font-size:1.35rem;margin-bottom:10px}
.case p{color:#c6d3cd;font-size:.96rem}
.case .tag{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:#e9a08e;font-weight:600;margin-bottom:14px;display:block}
.band-dark{background:var(--accent-2);color:#f0ece2;border-top:1px solid #16302a}
.band-dark .section-head h2{color:#fff}
.band-dark .section-head p{color:#c6d3cd}
.band-dark .eyebrow{color:#e9a08e}

/* ---------- CASE ARTICLES (página casos) ---------- */
.case-list{display:flex;flex-direction:column;gap:0}
.case-article{
  display:grid;grid-template-columns:1fr 1.5fr;gap:54px;align-items:start;
  padding:56px 0;border-bottom:1px solid var(--line);
}
.case-article:nth-child(even){grid-template-columns:1.5fr 1fr}
.case-article:nth-child(even) .case-media{order:2}
.case-media{
  aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(135deg,var(--accent-2),#2f5249);
  display:flex;align-items:flex-end;padding:24px;color:#f0ece2;
  font-family:'Fraunces',serif;font-size:1.3rem;position:sticky;top:100px;
}
.case-media.with-photo{padding:0;display:block}
.case-media img{width:100%;height:100%;object-fit:cover;display:block}
.case-body .tag{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:10px;display:block}
.case-body h2{font-size:clamp(1.6rem,3.5vw,2.3rem);margin-bottom:18px}
.case-body p{color:var(--ink-soft);margin-bottom:16px;font-size:1.02rem}
.case-body blockquote{
  border-left:3px solid var(--accent);padding:6px 0 6px 22px;margin:22px 0;
  font-family:'Fraunces',serif;font-style:italic;font-size:1.15rem;color:var(--ink);
}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact-text h2{font-size:clamp(1.9rem,4.5vw,3rem);margin-bottom:18px}
.contact-text p{color:var(--ink-soft);font-size:1.08rem;margin-bottom:30px}
.contact-links a{
  display:flex;align-items:center;gap:14px;padding:16px 0;
  border-top:1px solid var(--line);font-size:1.02rem;font-weight:500;transition:color .2s;
}
.contact-links a:last-child{border-bottom:1px solid var(--line)}
.contact-links a:hover{color:var(--accent)}
.contact-links .ico{
  width:40px;height:40px;border-radius:50%;background:var(--ink);color:var(--paper);
  display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600;flex-shrink:0;
}
form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}
form label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px}
form input,form textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:.95rem;margin-bottom:18px;background:var(--paper);color:var(--ink);
}
form input:focus,form textarea:focus{outline:2px solid var(--accent);border-color:transparent}
form textarea{resize:vertical;min-height:110px}
form button{width:100%;border:0}

/* ---------- CTA BAND ---------- */
.cta-band{background:var(--paper-2);border-top:1px solid var(--line);text-align:center}
.cta-band h2{font-size:clamp(1.8rem,4.5vw,2.8rem);max-width:20ch;margin:0 auto 16px}
.cta-band p{color:var(--ink-soft);font-size:1.08rem;max-width:50ch;margin:0 auto 30px}

/* ---------- FOOTER ---------- */
footer{padding:48px 0;border-top:1px solid var(--line);background:var(--paper)}
.foot-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.foot-inner .brand{font-size:1rem}
.copy{font-size:.8rem;color:var(--ink-soft);letter-spacing:.02em}
.social{display:flex;gap:14px}
.social a{
  width:38px;height:38px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:600;
  color:var(--ink-soft);transition:all .2s;
}
.social a:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- ACCESIBILIDAD ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,.btn:focus-visible{
  outline:3px solid var(--accent);outline-offset:3px;border-radius:6px;
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1!important;transform:none!important;transition:none!important}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

/* ---------- RESPONSIVE ---------- */
@media(max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-photo{max-width:360px}
  .about-grid,.contact-grid,.case-article,.case-article:nth-child(even){grid-template-columns:1fr;gap:30px}
  .case-article:nth-child(even) .case-media{order:0}
  .about-photo,.case-media{position:static}
  .svc-grid,.case-grid,.triple{grid-template-columns:1fr}
  nav.menu{
    position:fixed;inset:70px 0 auto 0;background:var(--paper);
    flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:transform .3s;
  }
  nav.menu.open{transform:none}
  nav.menu a{padding:14px 28px;width:100%}
  nav.menu .btn{margin:12px 28px}
  .nav-toggle{display:block}
  section{padding:64px 0}
  .hero{padding:64px 0 56px}
}