/* ============================================================
   dprint — sistema visual "Print Craft"
   Lienzo sobrio (negro / papel) + CMYK como acento técnico
   ============================================================ */

:root{
  /* Neutros — tema limpio con acentos CMYK */
  --ink:        #12161D;
  --ink-soft:   #1A2230;
  --ink-2:      #263143;
  --paper:      #FFFFFF;
  --paper-2:    #F4F8FC;
  --white:      #FFFFFF;
  --cream:      #F8FBFF;
  --muted:      #617084;
  --muted-2:    #93A0B0;
  --line:       rgba(18,22,29,0.10);
  --line-soft:  rgba(18,22,29,0.06);
  --line-dark:  rgba(255,255,255,0.16);

  /* CMYK (muestreado del logo) */
  --cyan:    #00AEEF;
  --magenta: #EC008C;
  --yellow:  #FFD400;
  --key:     #0B0B0D;

  /* Tipografía */
  --f-display: 'Space Grotesk', system-ui, sans-serif;
  --f-body:    'Manrope', system-ui, sans-serif;
  --f-mono:    'Space Mono', ui-monospace, monospace;

  /* Métrica */
  --wrap: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --r: 14px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  font-family:var(--f-body);
  background:
    radial-gradient(circle at 0% 0%, rgba(0,174,239,.055), transparent 20%),
    radial-gradient(circle at 92% 10%, rgba(236,0,140,.035), transparent 16%),
    linear-gradient(180deg, #FFFFFF 0%, #FBFDFF 42%, #FFFFFF 100%);
  color:var(--ink);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }
::selection{ background:var(--magenta); color:#fff; }

/* ---------- Tipografía base ---------- */
h1,h2,h3,h4{ font-family:var(--f-display); font-weight:600; line-height:1.02; letter-spacing:-0.02em; }
.display{
  font-family:var(--f-display);
  font-weight:600;
  line-height:0.98;
  letter-spacing:-0.03em;
  font-size:clamp(2.6rem, 7vw, 6.4rem);
}
.eyebrow{
  font-family:var(--f-mono);
  font-size:0.72rem;
  letter-spacing:0.28em;
  text-transform:uppercase;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:0.7em;
}
.eyebrow::before{
  content:"";
  width:26px; height:1px; background:var(--ink); opacity:0.5;
}
.lead{ font-size:clamp(1.05rem,1.4vw,1.28rem); color:var(--muted); max-width:54ch; }

/* ---------- Layout ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gutter); }
.section{ padding-block:clamp(72px,10vw,140px); position:relative; }
.section--tight{ padding-block:clamp(48px,6vw,80px); }
.grid{ display:grid; gap:clamp(20px,2.4vw,34px); }
.eyebrow-row{ display:flex; align-items:baseline; justify-content:space-between; gap:24px; flex-wrap:wrap; }

/* ============================================================
   Barra CMYK (firma de marca)
   ============================================================ */
.cmyk-bar{ display:flex; height:4px; width:100%; }
.cmyk-bar > span{ flex:1; }
.cmyk-bar > span:nth-child(1){ background:var(--cyan); }
.cmyk-bar > span:nth-child(2){ background:var(--magenta); }
.cmyk-bar > span:nth-child(3){ background:var(--yellow); }
.cmyk-bar > span:nth-child(4){ background:var(--key); }

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header__bar{ display:flex; height:3px; }
.site-header__bar > span{ flex:1; }
.site-header__bar > span:nth-child(1){ background:var(--cyan); }
.site-header__bar > span:nth-child(2){ background:var(--magenta); }
.site-header__bar > span:nth-child(3){ background:var(--yellow); }
.site-header__bar > span:nth-child(4){ background:var(--key); }
.site-header__progress{
  height:1px;
  background:rgba(18,22,29,0.08);
  transform-origin:left center;
}
.site-header__progress span{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--magenta),var(--yellow),var(--key));
  box-shadow:0 0 18px rgba(236,0,140,0.18);
  transition:width .18s linear;
}
.site-header__inner{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.site-header.is-scrolled{ background:rgba(255,255,255,0.85); backdrop-filter:blur(14px) saturate(1.2); box-shadow:0 1px 0 var(--line); }
.brand{ display:flex; align-items:center; gap:11px; }
.brand__mark{ width:30px; height:auto; }
.brand__logo{ height:34px; width:auto; display:block; }
.brand__word{ font-family:var(--f-display); font-weight:700; font-size:1.35rem; letter-spacing:-0.04em; }
.brand__word b{ color:var(--ink); }
.nav{ display:flex; align-items:center; gap:clamp(18px,2.4vw,38px); }
.nav__links{ display:flex; gap:clamp(18px,2.2vw,34px); }
.nav__links a{
  font-size:0.94rem; font-weight:500; position:relative; padding-block:4px;
  color:var(--ink); opacity:0.78; transition:opacity .25s;
}
.nav__links a::after{
  content:""; position:absolute; left:0; bottom:0; height:2px; width:100%;
  background:linear-gradient(90deg,var(--cyan),var(--magenta));
  transform:scaleX(0); transform-origin:left; transition:transform .3s var(--ease);
}
.nav__links a:hover{ opacity:1; }
.nav__links a:hover::after,.nav__links a.is-active::after{ transform:scaleX(1); }
.nav__links a.is-active{ opacity:1; }

.nav-toggle{ display:none; width:42px; height:42px; flex-direction:column; gap:5px; align-items:center; justify-content:center; }
.nav-toggle span{ width:22px; height:2px; background:var(--ink); transition:.3s var(--ease); }

/* ---------- Botones ---------- */
.btn{
  --bg:var(--ink); --fg:var(--paper);
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-body); font-weight:600; font-size:0.94rem;
  padding:13px 22px; border-radius:100px;
  background:var(--bg); color:var(--fg);
  position:relative; overflow:hidden; isolation:isolate;
  transition:transform .35s var(--ease), color .35s var(--ease);
}
.btn .btn__ic{ transition:transform .35s var(--ease); }
.btn::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(90deg,var(--cyan),var(--magenta));
  transform:translateY(101%); transition:transform .4s var(--ease);
}
.btn:hover::before{ transform:translateY(0); }
.btn:hover{ color:#fff; }
.btn:hover .btn__ic{ transform:translate(3px,-3px); }
.btn--ghost{ --bg:transparent; --fg:var(--ink); box-shadow:inset 0 0 0 1.5px var(--line); }
.btn--ghost:hover{ box-shadow:inset 0 0 0 1.5px transparent; }
.btn--light{ --bg:var(--paper); --fg:var(--ink); }
.btn--wa{ --bg:#1FAA54; --fg:#fff; }
.btn--wa::before{ background:#168D44; }

/* ============================================================
   Motivos de imprenta
   ============================================================ */
/* Marca de registro */
.reg{ width:34px; height:34px; color:var(--ink); opacity:0.85; }
.reg path,.reg circle,.reg line{ stroke:currentColor; }

/* Halftone (trama de puntos) */
.halftone{
  background-image:radial-gradient(currentColor 1.1px, transparent 1.2px);
  background-size:10px 10px;
  opacity:0.10;
}

/* Etiqueta técnica de prepensa */
.tech-label{
  font-family:var(--f-mono); font-size:0.7rem; letter-spacing:0.12em;
  text-transform:uppercase; color:var(--muted);
  display:inline-flex; gap:0.6em; align-items:center;
}
.tech-label b{ color:var(--ink); font-weight:400; }

/* Marcas de corte (esquinas) */
.crop{ position:absolute; width:18px; height:18px; pointer-events:none; opacity:0.5; }
.crop::before,.crop::after{ content:""; position:absolute; background:var(--ink); }
.crop::before{ width:100%; height:1.5px; }
.crop::after{ width:1.5px; height:100%; }
.crop--tl{ top:14px; left:14px; }
.crop--tr{ top:14px; right:14px; } .crop--tr::before{ right:0; } .crop--tr::after{ right:0; }
.crop--bl{ bottom:14px; left:14px; } .crop--bl::before{ bottom:0; } .crop--bl::after{ bottom:0; }
.crop--br{ bottom:14px; right:14px; } .crop--br::before{ bottom:0; right:0; } .crop--br::after{ bottom:0; right:0; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer{ background:var(--ink); color:var(--paper); position:relative; }
.site-footer a{ color:var(--paper); }
.site-footer .halftone{ color:var(--paper); }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:48px; padding-block:80px 48px; }
.footer-col h4{ font-family:var(--f-mono); font-weight:400; font-size:0.72rem; letter-spacing:0.22em; text-transform:uppercase; color:var(--muted-2); margin-bottom:20px; }
.footer-col ul{ list-style:none; display:flex; flex-direction:column; gap:11px; }
.footer-col a{ opacity:0.78; transition:opacity .25s, padding-left .25s; font-size:0.96rem; }
.footer-col a:hover{ opacity:1; padding-left:6px; }
.footer-brand .brand__word{ color:var(--paper); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; padding-block:26px; border-top:1px solid var(--line-dark); font-family:var(--f-mono); font-size:0.74rem; color:var(--muted-2); letter-spacing:0.04em; }

/* ============================================================
   Reveal (animación al hacer scroll)
   ============================================================ */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.in{ opacity:1; transform:none; }
.reveal[data-d="1"]{ transition-delay:.08s; }
.reveal[data-d="2"]{ transition-delay:.16s; }
.reveal[data-d="3"]{ transition-delay:.24s; }
.reveal[data-d="4"]{ transition-delay:.32s; }
.reveal[data-d="5"]{ transition-delay:.40s; }

/* Line wipe reveal para títulos */
.line-mask{ overflow:hidden; }
.line-mask > *{ display:block; transform:translateY(105%); transition:transform 1s var(--ease-out); }
.line-mask.in > *{ transform:none; }

@media (prefers-reduced-motion: reduce){
  .reveal,.line-mask > *{ opacity:1 !important; transform:none !important; transition:none !important; }
  html{ scroll-behavior:auto; }
}

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 860px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .nav__links, .nav .btn{ display:none; }
  .nav-toggle{ display:flex; }
  .nav.is-open .nav__links{
    display:flex; position:fixed; inset:75px 0 auto 0; flex-direction:column;
    background:var(--paper); padding:24px var(--gutter) 32px; gap:4px;
    border-bottom:1px solid var(--line); box-shadow:0 20px 40px rgba(0,0,0,.08);
  }
  .nav.is-open .nav__links a{ padding:14px 0; border-bottom:1px solid var(--line-soft); font-size:1.1rem; }
  .nav.is-open .btn{ display:inline-flex; margin-top:14px; }
  .nav.is-open .nav__links a::after{ display:none; }
}
@media (max-width: 560px){
  .footer-grid{ grid-template-columns:1fr; gap:32px; }
}