/* =========================================================
   c2c — Diseño y fabricación de mobiliario a la medida
   Paleta "taller": nogal + roble + acero (precisión CNC)
   ========================================================= */
:root{
  --papel:#F2ECE1;        /* fondo cálido, no crema-cliché */
  --papel-2:#E9E1D3;
  --tinta:#1A140E;        /* casi negro, tono nogal */
  --nogal:#3B2A1B;
  --roble:#B57F3D;        /* acento madera */
  --roble-claro:#D9AE74;
  --acero:#2C6E72;        /* acento técnico (CNC / precisión) */
  --acero-claro:#3F8E92;
  --linea:#C9BCA6;        /* líneas de "plano" */
  --gris:#6E6252;
  --gris-txt:#5C4F3E;
  --blanco:#FBF8F2;
  --sombra:0 12px 40px rgba(26,20,14,.14);
  --radio:2px;            /* casi recto: lenguaje de plano técnico */
  --ancho:1200px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--papel);
  color:var(--tinta);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,.display{
  font-family:"Bricolage Grotesque","Inter",sans-serif;
  font-weight:700;
  line-height:1.04;
  letter-spacing:-.01em;
}
.mono{font-family:"Space Mono","Courier New",monospace;}
.contenedor{max-width:var(--ancho);margin:0 auto;padding:0 24px}

/* etiqueta técnica reutilizable (eyebrow tipo plano) */
.eyebrow{
  font-family:"Space Mono",monospace;
  font-size:.72rem;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--acero);
  display:inline-flex;align-items:center;gap:.6em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--acero)}

/* ---------- HEADER ---------- */
.top{
  position:sticky;top:0;z-index:50;
  background:rgba(242,236,225,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--linea);
}
.top .contenedor{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-family:"Bricolage Grotesque";font-weight:800;font-size:1.5rem;letter-spacing:-.03em}
.logo span{color:var(--roble)}
.nav{display:flex;gap:28px;align-items:center}
.nav a{font-size:.9rem;font-weight:500;color:var(--gris-txt)}
.nav a:hover{color:var(--tinta)}
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  background:var(--tinta);color:var(--blanco);
  padding:11px 20px;border-radius:var(--radio);
  font-weight:600;font-size:.9rem;border:1px solid var(--tinta);
  transition:transform .15s ease,background .2s ease;
}
.btn:hover{transform:translateY(-1px);background:var(--nogal)}
.btn--roble{background:var(--roble);border-color:var(--roble);color:var(--tinta)}
.btn--roble:hover{background:var(--roble-claro)}
.btn--ghost{background:transparent;color:var(--tinta)}
.btn--ghost:hover{background:var(--papel-2)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;font-size:1.6rem;line-height:1}

/* ---------- HERO ---------- */
.hero{position:relative;padding:96px 0 72px;overflow:hidden}
.hero-grid{position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(var(--linea) 1px,transparent 1px),
                   linear-gradient(90deg,var(--linea) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 70% 30%,#000,transparent 75%);
          mask-image:radial-gradient(ellipse 70% 60% at 70% 30%,#000,transparent 75%);
}
.hero .contenedor{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);margin:.35em 0 .3em}
.hero h1 em{font-style:normal;color:var(--roble);position:relative}
.hero p.lead{font-size:1.18rem;color:var(--gris-txt);max-width:34ch;margin:0 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-medidas{margin-top:34px;display:flex;gap:26px;flex-wrap:wrap}
.medida{font-family:"Space Mono",monospace;font-size:.8rem;color:var(--gris)}
.medida b{display:block;font-family:"Bricolage Grotesque";font-size:1.7rem;color:var(--tinta);font-weight:700}

/* marco tipo plano alrededor de la imagen hero */
.hero-foto{position:relative}
.hero-foto .marco{
  border:1px solid var(--nogal);border-radius:var(--radio);
  overflow:hidden;box-shadow:var(--sombra);aspect-ratio:4/5;background:var(--papel-2);
}
.hero-foto .marco img{width:100%;height:100%;object-fit:cover}
.hero-foto .cota{
  position:absolute;font-family:"Space Mono",monospace;font-size:.68rem;color:var(--acero);
  background:var(--papel);padding:2px 7px;border:1px solid var(--acero);border-radius:2px;
}
.cota.tl{top:-11px;left:18px}
.cota.br{bottom:-11px;right:18px}
.hero-foto::before,.hero-foto::after{content:"";position:absolute;background:var(--acero)}
.hero-foto::before{top:-11px;left:-11px;width:22px;height:22px;border-left:2px solid var(--acero);border-top:2px solid var(--acero);background:none}
.hero-foto::after{bottom:-11px;right:-11px;width:22px;height:22px;border-right:2px solid var(--acero);border-bottom:2px solid var(--acero);background:none}

/* ---------- FRANJA CLIENTES ---------- */
.clientes{border-block:1px solid var(--linea);background:var(--papel-2)}
.clientes .contenedor{display:flex;align-items:center;gap:34px;flex-wrap:wrap;padding-block:20px}
.clientes .et{font-family:"Space Mono",monospace;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gris)}
.clientes ul{list-style:none;display:flex;gap:30px;flex-wrap:wrap;margin:0;padding:0;font-weight:700;color:var(--nogal);font-family:"Bricolage Grotesque",sans-serif}
.clientes li{opacity:.75}

/* ---------- SECCIONES ---------- */
section{padding:88px 0}
.sec-head{max-width:60ch;margin-bottom:44px}
.sec-head h2{font-size:clamp(1.9rem,4vw,2.9rem);margin:.3em 0 .35em}
.sec-head p{color:var(--gris-txt);margin:0}

/* servicios */
.servicios{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.srv{
  background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radio);
  padding:30px 26px;transition:transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.srv:hover{transform:translateY(-4px);box-shadow:var(--sombra);border-color:var(--roble)}
.srv .num{font-family:"Space Mono",monospace;font-size:.75rem;color:var(--acero);letter-spacing:.1em}
.srv h3{font-size:1.3rem;margin:14px 0 10px}
.srv p{margin:0;color:var(--gris-txt);font-size:.98rem}

/* ---------- GALERÍA / PORTAFOLIO ---------- */
.filtros{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.filtro{
  font-family:"Space Mono",monospace;font-size:.78rem;letter-spacing:.04em;
  padding:9px 16px;border:1px solid var(--linea);background:var(--blanco);
  border-radius:var(--radio);cursor:pointer;color:var(--gris-txt);transition:.18s;
}
.filtro:hover{border-color:var(--roble)}
.filtro.activo{background:var(--tinta);color:var(--blanco);border-color:var(--tinta)}
.galeria{
  columns:4 260px;column-gap:16px;
}
.card{
  break-inside:avoid;margin-bottom:16px;position:relative;overflow:hidden;
  border:1px solid var(--linea);border-radius:var(--radio);background:var(--papel-2);
  display:block;
}
.card img{width:100%;height:auto;transition:transform .5s ease}
.card:hover img{transform:scale(1.05)}
.card figcaption{
  position:absolute;inset:auto 0 0 0;padding:14px 14px 12px;
  background:linear-gradient(transparent,rgba(26,20,14,.82));
  color:var(--blanco);font-size:.82rem;opacity:0;transform:translateY(8px);
  transition:.25s;font-weight:500;
}
.card:hover figcaption{opacity:1;transform:none}
.card .tag{
  position:absolute;top:10px;left:10px;font-family:"Space Mono",monospace;
  font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;
  background:var(--papel);color:var(--nogal);padding:3px 8px;border-radius:2px;border:1px solid var(--linea);
}
.oculto{display:none}

/* ---------- PROCESO / FRANJA ACERO ---------- */
.proceso{background:var(--tinta);color:var(--papel)}
.proceso .eyebrow{color:var(--roble-claro)}
.proceso .eyebrow::before{background:var(--roble-claro)}
.proceso h2{color:var(--blanco)}
.pasos{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:40px}
.paso{border-top:2px solid var(--acero);padding-top:16px}
.paso .n{font-family:"Space Mono",monospace;color:var(--acero-claro);font-size:.8rem}
.paso h3{color:var(--blanco);font-size:1.15rem;margin:8px 0 6px}
.paso p{color:#C9BEAC;font-size:.92rem;margin:0}

/* ---------- CONTACTO ---------- */
.contacto .contenedor{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.datos li{list-style:none;padding:14px 0;border-bottom:1px solid var(--linea);display:flex;gap:14px;align-items:flex-start}
.datos ul{margin:0;padding:0}
.datos .k{font-family:"Space Mono",monospace;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--acero);min-width:96px;padding-top:3px}
.datos .v{font-weight:600;font-size:1.05rem}
.datos a.v:hover{color:var(--roble)}
.tarjeta-cta{
  background:var(--blanco);border:1px solid var(--nogal);border-radius:var(--radio);
  padding:34px;box-shadow:var(--sombra);
}
.tarjeta-cta h3{font-size:1.5rem;margin:0 0 10px}
.tarjeta-cta p{color:var(--gris-txt);margin:0 0 22px}
.tarjeta-cta .btn{width:100%;justify-content:center;margin-bottom:12px}

/* ---------- FOOTER ---------- */
footer{background:var(--nogal);color:#E7DCC9;padding:56px 0 30px}
footer .contenedor{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
footer .logo{color:#fff}
footer a:hover{color:var(--roble-claro)}
footer small{display:block;margin-top:26px;color:#B9A788;font-size:.82rem;width:100%;border-top:1px solid rgba(255,255,255,.12);padding-top:18px}

/* ---------- RESPONSIVE ---------- */
@media (max-width:900px){
  .hero .contenedor{grid-template-columns:1fr;gap:40px}
  .hero-foto{max-width:440px}
  .servicios{grid-template-columns:1fr 1fr}
  .pasos{grid-template-columns:1fr 1fr}
  .contacto .contenedor{grid-template-columns:1fr}
}
@media (max-width:640px){
  .nav{display:none;position:absolute;top:66px;left:0;right:0;background:var(--papel);
       flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--linea)}
  .nav.abierto{display:flex}
  .nav a{padding:12px 24px;width:100%}
  .nav .btn{margin:8px 24px;width:calc(100% - 48px);justify-content:center}
  .nav-toggle{display:block}
  .servicios,.pasos{grid-template-columns:1fr}
  section{padding:64px 0}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}