/* =========================================================
   MEDIOS IMPRESOS — sistema de diseño
   Inspirado en el propio oficio: registros de impresión,
   barras de tinta CMYK y capas de una etiqueta autoadherible.
   ========================================================= */

:root{
  --ink:        #111111;
  --ink-soft:   #2a2a2a;
  --paper:      #f7f6f4;
  --paper-2:    #ececea;
  --steel:      #161616;
  --steel-dark: #000000;
  --press-red:  #e21221;
  --press-amber:#8a8a86;
  --graphite:   #6b6b68;
  --line:       #dcdcd9;
  --line-dark:  rgba(255,255,255,0.14);
  --white:      #ffffff;

  --font-display: 'Archivo Expanded', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --maxw: 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:1.55;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0;line-height:1.05;letter-spacing:-0.01em;}
p{margin:0 0 1em;color:var(--ink-soft);}
ul{margin:0;padding:0;list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important;transition-duration:0.001ms !important;}
}

/* ---------- registration-mark motif ---------- */
.regmark{
  width:18px;height:18px;flex:none;
  position:relative;
}
.regmark::before,.regmark::after{
  content:"";position:absolute;background:currentColor;
}
.regmark::before{left:50%;top:0;width:1px;height:100%;transform:translateX(-50%);}
.regmark::after{top:50%;left:0;height:1px;width:100%;transform:translateY(-50%);}
.regmark span{
  position:absolute;inset:3px;border:1px solid currentColor;border-radius:50%;
}

.inkbar{
  display:flex;gap:5px;align-items:center;
}
.inkbar i{
  width:9px;height:9px;border-radius:2px;display:block;
}
.inkbar i:nth-child(1){background:var(--ink);}
.inkbar i:nth-child(2){background:var(--press-red);}
.inkbar i:nth-child(3){background:var(--graphite);}
.inkbar i:nth-child(4){background:var(--press-red);opacity:0.55;}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand .regmark{color:var(--press-red);}
.brand img{height:46px;width:auto;display:block;}
.brand-text{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.15rem;
  letter-spacing:-0.01em;
}
.brand-text small{
  display:block;
  font-family:var(--font-mono);
  font-size:0.55rem;
  font-weight:400;
  letter-spacing:0.08em;
  color:var(--graphite);
  margin-top:2px;
}
nav.primary{display:flex;gap:34px;align-items:center;}
nav.primary a{
  font-size:0.92rem;font-weight:500;color:var(--ink-soft);
  position:relative;padding:4px 0;
}
nav.primary a.active,nav.primary a:hover{color:var(--press-red);}
nav.primary a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--press-red);
}
.nav-cta{
  background:var(--ink);color:var(--white)!important;
  padding:9px 18px;font-size:0.88rem;font-weight:600;
  border-radius:3px;
}
.nav-cta:hover{background:var(--press-red);color:var(--white)!important;}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.burger span{width:22px;height:2px;background:var(--ink);display:block;}

@media (max-width:860px){
  nav.primary{
    position:absolute;top:100%;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:flex-start;gap:0;
    max-height:0;overflow:hidden;transition:max-height .28s ease;
  }
  nav.primary.open{max-height:320px;}
  nav.primary a{width:100%;padding:14px 28px;border-top:1px solid var(--line);}
  nav.primary a.active::after{display:none;}
  .nav-cta{margin:14px 28px;display:inline-block;}
  .burger{display:flex;}
}

/* ---------- hero ---------- */
.hero{
  padding:72px 0 88px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:center;
}
@media (max-width:860px){
  .hero{padding:48px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-art{order:2;max-width:360px;margin:0 auto;}
}
.eyebrow-tag{
  display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:0.72rem;color:var(--steel);
  margin-bottom:18px;
}
h1.hero-title{
  font-size:clamp(2.3rem,4.2vw,3.6rem);
  font-weight:700;color:var(--ink);
  max-width:11.5ch;
}
.hero-title .accent{color:var(--press-red);}
.hero-sub{
  font-size:1.08rem;max-width:46ch;margin-top:20px;
}
.hero-actions{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;font-weight:600;font-size:0.95rem;
  border-radius:3px;border:1px solid transparent;
}
.btn-primary{background:var(--press-red);color:var(--white);}
.btn-primary:hover{background:#a80c18;}
.btn-outline{border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{border-color:var(--press-red);color:var(--press-red);}

.hero-art{opacity:0;transform:translateY(10px);animation:rise .7s ease .15s forwards;}
@keyframes rise{to{opacity:1;transform:translateY(0);}}

.hero-photo{
  position:relative;
  border:1px solid var(--line);
  border-radius:4px;
  overflow:hidden;
  aspect-ratio:4/3;
}
.hero-photo img{
  width:100%;height:100%;
  object-fit:cover;object-position:center;
  display:block;
}
.hero-photo-tag{
  position:absolute;left:14px;bottom:14px;right:14px;
  display:flex;align-items:center;gap:10px;
  background:rgba(17,17,17,0.82);
  color:var(--white);
  padding:10px 14px;border-radius:3px;
  font-family:var(--font-mono);font-size:0.7rem;
  backdrop-filter:blur(2px);
}
.hero-photo-tag .inkbar i:nth-child(1){background:var(--white);}
.hero-photo-tag .inkbar i:nth-child(3){background:#9a9a97;}

/* ---------- section basics ---------- */
section{padding:76px 0;}
section.alt{background:var(--steel);color:var(--white);}
section.alt p{color:#c7c7c4;}
section.alt h2,section.alt h3{color:var(--white);}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head .eyebrow-tag{color:var(--press-red);}
section.alt .section-head .eyebrow-tag{color:var(--press-red);}
h2.section-title{font-size:clamp(1.7rem,2.6vw,2.3rem);}

/* ---------- category rows (index) ---------- */
.cat-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.cat-row{
  display:grid;grid-template-columns:190px 1fr 220px;gap:28px;
  padding:34px 0;border-bottom:1px solid var(--line);align-items:start;
}
.cat-row .num{font-family:var(--font-mono);color:var(--graphite);font-size:0.85rem;padding-top:4px;}
.cat-row h3{font-size:1.35rem;margin-bottom:10px;}
.cat-row .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  font-family:var(--font-mono);font-size:0.7rem;color:var(--steel-dark);
  border:1px solid var(--line);padding:5px 10px;border-radius:2px;
}
.cat-row a.more{
  align-self:center;justify-self:end;font-weight:600;font-size:0.9rem;color:var(--press-red);
  white-space:nowrap;
}
@media (max-width:760px){
  .cat-row{grid-template-columns:1fr;}
  .cat-row a.more{justify-self:start;}
}

/* ---------- industry scroll gallery ---------- */
.industry-scroll{
  display:flex;overflow-x:auto;scroll-snap-type:x mandatory;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  -webkit-overflow-scrolling:touch;
}
.industry-scroll::-webkit-scrollbar{height:6px;}
.industry-scroll::-webkit-scrollbar-thumb{background:var(--line);}
.industry-card{
  position:relative;flex:0 0 auto;
  width:250px;aspect-ratio:200/260;
  scroll-snap-align:start;
  border-right:1px solid var(--line);
  overflow:hidden;display:block;
}
.industry-card svg{width:100%;height:100%;display:block;}
.industry-label{
  position:absolute;top:18px;right:16px;
  writing-mode:vertical-rl;transform:rotate(180deg);
  font-family:var(--font-mono);font-size:0.72rem;letter-spacing:0.04em;
  text-transform:uppercase;color:var(--ink);
}
.ind-industrial .industry-label{color:var(--white);}
.industry-caption{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:rgba(251,249,243,0.9);color:var(--ink);
  font-family:var(--font-mono);font-size:0.66rem;
  padding:7px 10px;border-radius:2px;
}
.ind-industrial .industry-caption{background:rgba(0,0,0,0.55);color:var(--white);}
@media (max-width:600px){
  .industry-card{width:210px;}
}

/* ---------- why / feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.feature{background:var(--paper);padding:30px 26px;}
.feature .inkbar{margin-bottom:16px;}
.feature h4{font-size:1.05rem;margin-bottom:8px;color:var(--ink);}
.feature p{font-size:0.94rem;margin:0;color:var(--ink-soft);}
@media (max-width:760px){.feature-grid{grid-template-columns:1fr;}}

/* ---------- roll cross-section illustration ---------- */
.roll-diagram{width:100%;height:auto;}

/* ---------- product spec blocks (productos.html) ---------- */
.spec-block{
  border:1px solid var(--line);border-radius:4px;
  margin-bottom:22px;overflow:hidden;
  display:grid;grid-template-columns:220px 1fr;
}
.spec-swatch{
  position:relative;min-height:180px;
  display:flex;align-items:flex-end;padding:16px;
  font-family:var(--font-mono);font-size:0.68rem;color:var(--ink);
  overflow:hidden;
}
.material-art{
  position:absolute;top:0;left:0;width:100%;height:100%;
  display:block;
}
.spec-swatch span.label-id{
  background:rgba(255,255,255,0.85);padding:3px 7px;border-radius:2px;
  position:relative;z-index:2;
}
.spec-body{padding:28px 30px;}
.spec-body h3{font-size:1.28rem;margin-bottom:6px;}
.spec-body .use-title{
  font-family:var(--font-mono);font-size:0.72rem;color:var(--press-red);
  margin-top:16px;margin-bottom:8px;display:block;
}
@media (max-width:760px){
  .spec-block{grid-template-columns:1fr;}
  .spec-swatch{min-height:110px;}
}

/* swatch textures */
.tex-thermal{background:linear-gradient(135deg,#efe6d2,#e3d6b8);}
.tex-tt{background:linear-gradient(135deg,#e7e1d1,#c9c0a4);}
.tex-bopp-white{background:linear-gradient(135deg,#fbfaf7,#e9e6dc);}
.tex-bopp-clear{background:repeating-linear-gradient(45deg,rgba(255,255,255,0.5) 0 6px,rgba(239,233,220,0.3) 6px 12px);}
.tex-bopp-thermal{background:linear-gradient(135deg,#eef3f1,#cfe0dc);}
.tex-couche{background:linear-gradient(135deg,#f4efe2,#ddd2b3);}
.tex-ribbon{background:repeating-linear-gradient(90deg,#2c2e29 0 3px,#3d3f38 3px 8px);}
.tex-pos{background:linear-gradient(135deg,#fbf9f3,#e9e3d2);}
.tex-printer{background:linear-gradient(135deg,#1a1a1a,#333333);}

/* ---------- process steps (nosotros.html) ---------- */
.process{border-top:1px solid var(--line);}
.step{
  display:grid;grid-template-columns:70px 1fr;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.step .step-num{font-family:var(--font-mono);font-size:1.3rem;color:var(--press-red);}
.step h4{font-size:1.05rem;margin-bottom:6px;}

/* ---------- values grid ---------- */
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:36px;}
.value h4{display:flex;gap:10px;align-items:center;font-size:1.05rem;margin-bottom:8px;}
.value .regmark{width:14px;height:14px;color:var(--press-red);}
@media (max-width:760px){.values{grid-template-columns:1fr;}}

/* ---------- contact page ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.contact-card{border:1px solid var(--line);border-radius:4px;padding:34px;background:var(--white);}
.contact-card .row{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);}
.contact-card .row:last-child{border-bottom:none;}
.contact-card .row .k{
  font-family:var(--font-mono);font-size:0.7rem;color:var(--press-red);width:110px;flex:none;padding-top:2px;
}
.contact-card .row .v{font-weight:500;}
.map-frame{border:1px solid var(--line);border-radius:4px;overflow:hidden;height:100%;min-height:340px;}
.map-frame iframe{width:100%;height:100%;min-height:340px;border:0;display:block;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);color:var(--white);
  padding:56px 0;
}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}
.cta-band h3{font-size:1.5rem;max-width:20ch;}
.cta-band p{color:#b8b8b5;margin:6px 0 0;}

/* ---------- footer ---------- */
footer.site{background:var(--steel-dark);color:#c9c9c6;padding:52px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;}
.footer-grid h5{
  font-family:var(--font-mono);font-size:0.72rem;letter-spacing:0.04em;
  color:var(--press-red);margin-bottom:16px;font-weight:400;
}
.footer-grid a,.footer-grid p{color:#c9c9c6;font-size:0.92rem;}
.footer-grid a:hover{color:var(--white);}
.footer-grid li{margin-bottom:9px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{color:var(--white);}
.logo-chip{background:#fff;padding:8px 14px;border-radius:6px;display:inline-flex;align-items:center;}
.logo-chip img{height:26px;width:auto;display:block;}
.footer-bottom{
  border-top:1px solid var(--line-dark);margin-top:38px;padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:0.8rem;color:#8a8a87;
}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr;}}

/* misc */
.mt-lg{margin-top:56px;}