/* ============================================================
   CMYK Paraguay — sistema visual
   Concepto: mesa de trabajo de imprenta. Los 4 canales de
   proceso son estructura, no decoración. Datos en monospace.
   ============================================================ */

:root{
  --cyan:    #00AEEF;
  --magenta: #EC008C;
  --yellow:  #FFF200;
  --black:   #1A1A1A;
  --paper:   #FAFAF7;   /* blanco papel, cálido */
  --ink-700: #2B2B2B;
  --ink-500: #6B6B6B;
  --ink-300: #B4B4B0;
  --line:    #E7E7E2;
  --card:    #FFFFFF;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.05);
  --mono: ui-monospace, "SF Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink-700);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
img{max-width:100%;display:block}

.container{max-width:1140px;margin:0 auto;padding:0 20px}

/* ---- canal de color como banda superior ---- */
.process-bar{height:5px;display:flex}
.process-bar i{flex:1}
.process-bar i:nth-child(1){background:var(--cyan)}
.process-bar i:nth-child(2){background:var(--magenta)}
.process-bar i:nth-child(3){background:var(--yellow)}
.process-bar i:nth-child(4){background:var(--black)}

/* ---- header ---- */
.site-header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .container{display:flex;align-items:center;gap:24px;height:64px}
.brand{font-weight:800;letter-spacing:-.02em;font-size:1.25rem;text-decoration:none;display:flex;align-items:center;gap:8px}
.brand .dots{display:inline-flex;gap:3px}
.brand .dots span{width:10px;height:10px;border-radius:50%}
.brand .dots span:nth-child(1){background:var(--cyan)}
.brand .dots span:nth-child(2){background:var(--magenta)}
.brand .dots span:nth-child(3){background:var(--yellow)}
.brand .dots span:nth-child(4){background:var(--black)}
.nav{display:flex;gap:20px;margin-left:auto;align-items:center}
.nav a{text-decoration:none;color:var(--ink-500);font-size:.95rem;font-weight:500}
.nav a:hover{color:var(--ink-700)}
.btn{display:inline-block;padding:9px 16px;border-radius:10px;font-weight:600;text-decoration:none;border:0;cursor:pointer;font-size:.95rem}
.btn-primary{background:var(--black);color:#fff}
.btn-primary:hover{background:#000}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink-700)}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer}

/* ---- hero ---- */
.hero{padding:64px 0 40px}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.05;letter-spacing:-.03em;margin:0 0 16px;font-weight:800}
.hero p.lead{font-size:1.15rem;color:var(--ink-500);max-width:640px;margin:0 0 28px}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap}

/* ---- tarjetas de herramientas ---- */
.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;margin:24px 0}
.tool-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s;position:relative;overflow:hidden}
.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.tool-card .tag{position:absolute;top:0;left:0;width:4px;height:100%}
.tool-card.c .tag{background:var(--cyan)}
.tool-card.m .tag{background:var(--magenta)}
.tool-card.y .tag{background:var(--yellow)}
.tool-card.k .tag{background:var(--black)}
.tool-card h3{margin:0 0 6px;font-size:1.1rem;letter-spacing:-.01em}
.tool-card p{margin:0;color:var(--ink-500);font-size:.92rem}

/* ---- sección genérica ---- */
.section{padding:48px 0}
.section h2{font-size:1.7rem;letter-spacing:-.02em;margin:0 0 6px}
.eyebrow{font-family:var(--mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-300);margin:0 0 8px}

/* ---- herramientas: layout ---- */
.tool-wrap{display:grid;grid-template-columns:380px 1fr;gap:28px;margin:28px 0}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.82rem;font-weight:600;color:var(--ink-500);margin-bottom:6px}
.field input[type=text],.field input[type=number],.field input[type=email],.field input[type=password],.field textarea,.field select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:1rem;font-family:var(--sans);background:#fff
}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--cyan);border-color:var(--cyan)}

/* sliders CMYK */
.cmyk-sliders .slider-row{display:grid;grid-template-columns:24px 1fr 56px;align-items:center;gap:10px;margin-bottom:12px}
.cmyk-sliders .chan{font-family:var(--mono);font-weight:700;text-align:center}
.cmyk-sliders .chan.c{color:var(--cyan)}
.cmyk-sliders .chan.m{color:var(--magenta)}
.cmyk-sliders .chan.y{color:#C9B400}
.cmyk-sliders .chan.k{color:var(--black)}
.cmyk-sliders input[type=range]{width:100%}
.cmyk-sliders .val{font-family:var(--mono);font-size:.9rem;text-align:right}

/* muestra de color (firma) */
.swatch{border-radius:var(--radius);min-height:240px;display:flex;align-items:flex-end;justify-content:space-between;padding:18px;transition:background .2s;border:1px solid var(--line)}
.swatch .chip{font-family:var(--mono);font-size:.85rem;padding:6px 10px;border-radius:8px;backdrop-filter:blur(4px)}
.swatch-views{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-top:14px}
.swatch-views .v{border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center;font-size:.85rem}

.code-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line)}
.code-row:last-child{border-bottom:0}
.code-row .lbl{font-size:.82rem;color:var(--ink-500)}
.code-row .code{font-family:var(--mono);font-weight:600}
.copy-btn{background:none;border:1px solid var(--line);border-radius:8px;padding:4px 10px;cursor:pointer;font-size:.8rem;margin-left:8px}
.copy-btn:hover{background:#f4f4f0}

.notice{background:#FFFBEA;border:1px solid #F4E4A0;border-radius:10px;padding:12px 14px;font-size:.86rem;color:#7A6A20;margin:16px 0}

/* ---- banners ---- */
.cmyk-banner{display:block;margin:18px auto;text-align:center;max-width:100%}
.cmyk-banner img{margin:0 auto}
.banner-slot{min-height:1px}

/* ---- footer ---- */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:48px;padding:36px 0}
.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.site-footer h4{font-size:.95rem;margin:0 0 10px}
.site-footer a{display:block;color:var(--ink-500);text-decoration:none;font-size:.9rem;padding:3px 0}
.site-footer a:hover{color:var(--ink-700)}
.site-footer .legal{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:.82rem;color:var(--ink-300)}

/* ---- responsive ---- */
@media(max-width:860px){
  .tool-wrap{grid-template-columns:1fr}
  .site-footer .cols{grid-template-columns:1fr}
  .nav{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a{padding:8px 0}
  .nav-toggle{display:block;margin-left:auto}
}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}

/* ---- Fase 2: selector de idioma ---- */
.lang-switch{display:inline-flex;gap:4px;align-items:center;margin-left:4px}
.lang-switch a{font-family:var(--mono);font-size:.78rem;padding:3px 7px;border-radius:7px;color:var(--ink-300);border:1px solid transparent}
.lang-switch a.on{color:var(--ink-700);border-color:var(--line);background:#fff}

/* ---- Fase 2: simulador de impresión ---- */
.sim-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:20px 0}
.sim-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card)}
.sim-card .swatch-fill{height:200px;transition:filter .25s, background .25s}
.sim-card .sim-label{padding:12px 14px;font-size:.85rem;color:var(--ink-500);display:flex;justify-content:space-between;align-items:center}
.sim-card .sim-label .code{font-family:var(--mono);color:var(--ink-700)}
.paper-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:14px 0}
.paper-opt{border:1px solid var(--line);border-radius:10px;padding:12px;cursor:pointer;background:#fff;text-align:left;transition:border-color .15s}
.paper-opt:hover{border-color:var(--ink-300)}
.paper-opt.sel{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan)}
.paper-opt strong{display:block;font-size:.9rem}
.paper-opt span{font-size:.78rem;color:var(--ink-500)}

/* ---- Fase 2: chips de color en paletas ---- */
.pal-strip{display:flex;height:64px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.pal-strip > div{flex:1}
.pal-meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-size:.85rem;color:var(--ink-500)}
.btn-google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fff;font-weight:600;text-decoration:none;color:var(--ink-700);margin-bottom:14px}
.btn-google:hover{background:#f7f7f4}
.divider{display:flex;align-items:center;gap:12px;color:var(--ink-300);font-size:.82rem;margin:16px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}