/* =========================================================
   AZKOYEN, S.A. — hoja de estilos
   Sistema: "ficha técnica" — estética de plano industrial
   ========================================================= */

:root{
  --bg:        #E3E6E1;   /* gris salvia claro, papel de plano */
  --surface:   #FAFAF7;   /* tarjetas */
  --surface-2: #EDEFEA;
  --ink:       #16211F;   /* grafito casi negro, verdoso */
  --ink-soft:  #4A5551;
  --line:      #C4CAC2;
  --line-strong:#9CA69E;
  --copper:    #B2622B;   /* cobre — moneda, validación */
  --copper-dark:#8C4C22;
  --teal:      #1F4B4C;   /* petróleo — electrónica, seguridad */
  --teal-light:#2E6A6B;
  --paper:     #FFFFFF;
  --danger:    #A33B2E;

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;

  --maxw: 1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px;
  background-attachment:fixed;
  background-position:-1px -1px;
}

::selection{ background:var(--copper); color:var(--paper); }

a{ color:inherit; }
img{ max-width:100%; display:block; }

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

/* ---------- Eyebrow / mono labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal);
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--copper);
  display:inline-block;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:-.01em;
  margin:0 0 .5em;
  color:var(--ink);
}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--teal); color:#fff;
  padding:10px 16px; z-index:999;
  font-family:var(--font-mono); font-size:13px;
}
.skip-link:focus{ left:12px; top:12px; }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(250,250,247,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line-strong);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px;
  max-width:var(--maxw); margin:0 auto;
}
.brand{
  display:flex; align-items:center; gap:12px;
  font-family:var(--font-display);
  font-weight:700; font-size:20px;
  text-decoration:none; color:var(--ink);
}
.brand-mark{
  width:34px; height:34px; flex:none;
}
.brand small{
  display:block;
  font-family:var(--font-mono);
  font-weight:400;
  font-size:10.5px;
  letter-spacing:.1em;
  color:var(--ink-soft);
  text-transform:uppercase;
}

.nav-links{
  display:flex; gap:30px; list-style:none; margin:0; padding:0;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.03em;
}
.nav-links a{
  text-decoration:none; color:var(--ink-soft);
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:color .15s, border-color .15s;
}
.nav-links a:hover, .nav-links a:focus-visible{
  color:var(--teal); border-color:var(--copper);
}
.nav-cta{
  font-family:var(--font-mono);
  font-size:13px;
  border:1px solid var(--ink);
  padding:8px 16px;
  text-decoration:none;
  color:var(--ink);
  white-space:nowrap;
  transition:background .15s, color .15s;
}
.nav-cta:hover{ background:var(--ink); color:var(--surface); }

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--ink); border-radius:0;
  width:42px; height:38px;
  cursor:pointer;
  position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:10px; right:10px; height:2px; background:var(--ink);
}
.nav-toggle span{ top:18px; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }

/* ---------- Hero ---------- */
.hero{
  padding:76px 0 60px;
  position:relative;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2.1rem, 4.2vw, 3.4rem);
  line-height:1.05;
}
.hero h1 em{
  font-style:normal;
  color:var(--copper);
}
.hero p.lead{
  font-size:1.08rem;
  color:var(--ink-soft);
  max-width:46ch;
  margin:0 0 28px;
}
.hero-meta{
  display:flex; gap:28px; flex-wrap:wrap;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--ink-soft);
  margin-top:34px;
  padding-top:20px;
  border-top:1px solid var(--line-strong);
}
.hero-meta div span{
  display:block; color:var(--ink); font-size:14px; margin-top:2px;
}

.btn-row{ display:flex; gap:14px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-mono); font-size:13.5px;
  padding:12px 20px;
  text-decoration:none;
  border:1px solid var(--ink);
  color:var(--ink);
  transition:all .15s;
}
.btn.primary{ background:var(--teal); border-color:var(--teal); color:#fff; }
.btn.primary:hover{ background:var(--teal-light); }
.btn:not(.primary):hover{ background:var(--ink); color:var(--surface); }

/* ---------- Schematic (signature element) ---------- */
.schematic{
  background:var(--paper);
  border:1px solid var(--line-strong);
  padding:24px;
  position:relative;
}
.schematic svg{ width:100%; height:auto; display:block; }
.schematic-cap{
  display:flex; justify-content:space-between;
  font-family:var(--font-mono);
  font-size:10.5px; letter-spacing:.08em;
  color:var(--ink-soft);
  text-transform:uppercase;
  margin-top:14px;
  padding-top:12px;
  border-top:1px dashed var(--line-strong);
}

/* ---------- Section shell ---------- */
section{ padding:74px 0; border-top:1px solid var(--line); }
.section-head{
  display:flex; justify-content:space-between; align-items:flex-end;
  gap:24px; margin-bottom:40px; flex-wrap:wrap;
}
.section-head h2{ font-size:clamp(1.6rem, 3vw, 2.3rem); margin:0; }
.section-head p{ color:var(--ink-soft); max-width:46ch; margin:0; }

/* ---------- Cards / spec list ---------- */
.spec-list{
  display:grid; gap:0;
  border-top:1px solid var(--line-strong);
}
.spec-item{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:22px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
}
.spec-item .tag{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--copper);
  padding-top:2px;
}
.spec-item h3{ font-size:1.08rem; margin:0 0 6px; }
.spec-item p{ margin:0; color:var(--ink-soft); }

.pillars{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--line-strong);
  border:1px solid var(--line-strong);
}
.pillar{
  background:var(--surface);
  padding:30px 26px;
}
.pillar .num{
  font-family:var(--font-mono);
  color:var(--teal);
  font-size:13px;
  margin-bottom:16px;
  display:block;
}
.pillar h3{ font-size:1.05rem; }
.pillar p{ color:var(--ink-soft); margin:0; font-size:.96rem; }

/* ---------- Data sheet (empresa) ---------- */
.datasheet{
  background:var(--surface);
  border:1px solid var(--line-strong);
}
.datasheet-row{
  display:grid;
  grid-template-columns:240px 1fr;
  border-bottom:1px solid var(--line);
}
.datasheet-row:last-child{ border-bottom:none; }
.datasheet-row dt{
  font-family:var(--font-mono);
  font-size:12.5px;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--ink-soft);
  padding:16px 20px;
  background:var(--surface-2);
  border-right:1px solid var(--line);
}
.datasheet-row dd{
  margin:0; padding:16px 20px;
  font-size:.98rem;
}
dl.datasheet{ margin:0; }

/* ---------- Contacto ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
.contact-card{
  border:1px solid var(--line-strong);
  background:var(--surface);
  padding:30px;
}
.contact-card h3{ font-size:1.1rem; }
.contact-line{
  display:flex; gap:14px; padding:14px 0; border-bottom:1px solid var(--line);
  font-size:.96rem;
}
.contact-line:last-child{ border-bottom:none; }
.contact-line .k{
  font-family:var(--font-mono); font-size:11.5px; color:var(--ink-soft);
  text-transform:uppercase; letter-spacing:.06em; width:110px; flex:none; padding-top:2px;
}

form.contact-form{ display:grid; gap:16px; }
.field{ display:grid; gap:6px; }
.field label{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.05em;
  text-transform:uppercase; color:var(--ink-soft);
}
.field input, .field textarea, .field select{
  font-family:var(--font-body);
  font-size:.98rem;
  padding:12px 14px;
  border:1px solid var(--line-strong);
  background:var(--paper);
  color:var(--ink);
  border-radius:0;
  resize:vertical;
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:2px solid var(--copper); outline-offset:1px;
  border-color:var(--copper);
}
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.consent{
  display:flex; gap:10px; align-items:flex-start;
  font-size:.86rem; color:var(--ink-soft);
}
.consent input{ margin-top:4px; }
.consent a{ color:var(--teal); text-decoration:underline; }

.submit-row{ display:flex; align-items:center; gap:16px; flex-wrap:wrap; }
button.btn{ font:inherit; font-family:var(--font-mono); font-size:13.5px; cursor:pointer; background:var(--teal); color:#fff; border-color:var(--teal); }
button.btn:hover{ background:var(--teal-light); }

.form-status{ font-family:var(--font-mono); font-size:13px; }
.form-status.ok{ color:var(--teal); }
.form-status.err{ color:var(--danger); }

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--line-strong);
  background:var(--ink);
  color:#DCE3DF;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-col h4{
  font-family:var(--font-mono);
  font-size:12px; letter-spacing:.1em; text-transform:uppercase;
  color:#9FB0AA;
  margin-bottom:16px;
}
.footer-col p, .footer-col li{ color:#C7D0CB; font-size:.9rem; }
.footer-col ul{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
.footer-col a{ text-decoration:none; color:#C7D0CB; }
.footer-col a:hover{ color:#fff; text-decoration:underline; }
.footer-brand{
  font-family:var(--font-display); font-weight:700; font-size:1.3rem; color:#fff;
  margin-bottom:10px;
}
.legal-strip{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:14px;
  padding-top:22px;
  font-family:var(--font-mono); font-size:11.5px; color:#93A39C;
}
.legal-strip ul{ list-style:none; display:flex; gap:20px; margin:0; padding:0; flex-wrap:wrap; }
.legal-strip a{ color:#93A39C; text-decoration:none; }
.legal-strip a:hover{ color:#fff; }

/* ---------- Legal pages ---------- */
.legal-page{ padding:56px 0 90px; }
.legal-page .doc{
  background:var(--surface);
  border:1px solid var(--line-strong);
  padding:44px;
  max-width:820px;
}
.legal-page h1{ font-size:2rem; }
.legal-page h2{ font-size:1.2rem; margin-top:2em; }
.legal-page p, .legal-page li{ color:var(--ink-soft); }
.legal-page .updated{
  font-family:var(--font-mono); font-size:12px; color:var(--ink-soft);
  margin-bottom:30px; text-transform:uppercase; letter-spacing:.05em;
}
.legal-page ol, .legal-page ul{ padding-left:22px; }
.legal-page table{ width:100%; border-collapse:collapse; margin:18px 0; font-size:.92rem; }
.legal-page th, .legal-page td{ border:1px solid var(--line-strong); padding:10px 12px; text-align:left; }
.legal-page th{ background:var(--surface-2); font-family:var(--font-mono); font-size:11.5px; text-transform:uppercase; }

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed; left:16px; right:16px; bottom:16px; z-index:200;
  max-width:640px; margin:0 auto;
  background:var(--ink); color:#fff;
  border:1px solid rgba(255,255,255,.2);
  padding:20px 22px;
  display:none;
  gap:16px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}
.cookie-banner.show{ display:flex; }
.cookie-banner p{ margin:0; font-size:.88rem; color:#D4DBD7; max-width:60ch; }
.cookie-banner a{ color:#fff; text-decoration:underline; }
.cookie-actions{ display:flex; gap:10px; flex-wrap:wrap; }
.cookie-actions button{
  font-family:var(--font-mono); font-size:12.5px;
  padding:9px 14px; border:1px solid #fff; background:none; color:#fff; cursor:pointer;
}
.cookie-actions button.primary{ background:var(--copper); border-color:var(--copper); }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns:1fr; }
  .pillars{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .datasheet-row{ grid-template-columns:1fr; }
  .datasheet-row dt{ border-right:none; border-bottom:1px solid var(--line); }
}
@media (max-width: 720px){
  .nav-links, .nav-cta{ display:none; }
  .nav-toggle{ display:block; }
  .site-header.open .nav-links{
    display:flex; flex-direction:column; gap:0;
    position:absolute; top:100%; left:0; right:0;
    background:var(--surface); border-bottom:1px solid var(--line-strong);
    padding:8px 28px 18px;
  }
  .site-header.open .nav-links a{ padding:12px 0; border-bottom:1px solid var(--line); width:100%; }
  .site-header.open .nav-cta{ display:inline-flex; margin:14px 28px 20px; width:fit-content; }
  .field-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
}