/* ============================================================
   M&G LASER STUDIO — sistema de diseño
   Grafito de taller + chispa ámbar + azul óptico.
   Tipografía técnica: Space Grotesk (display) / Inter (texto) / JetBrains Mono (specs)
   ============================================================ */

:root{
  --ink:        #1B1B1D;
  --ink-soft:   #2B2A2C;
  --paper:      #F6F4EF;
  --paper-dim:  #ECE8E0;
  --ember:      #E8721E;
  --ember-dim:  #C65E12;
  --steel:      #3E6B8A;
  --steel-dim:  #2E5066;
  --ash:        #6E6C69;
  --line-lt:    rgba(27,27,29,0.12);
  --line-dk:    rgba(246,244,239,0.16);

  --f-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --f-body:    'Inter', -apple-system, sans-serif;
  --f-mono:    'JetBrains Mono', 'SFMono-Regular', monospace;

  --container: 1180px;
  --radius: 2px;
}

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

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4{ font-family:var(--f-display); margin:0; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

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

:focus-visible{
  outline:2px solid var(--ember);
  outline-offset:3px;
}

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

.eyebrow{
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--ember);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:16px;
  height:1px;
  background:var(--ember);
  display:inline-block;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:var(--radius);
  font-family:var(--f-mono);
  font-size:13.5px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  border:1px solid transparent;
  transition:transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-ember{
  background:var(--ember);
  color:var(--ink);
}
.btn-ember:hover{ background:#fff; }
.btn-outline-dark{
  border-color:var(--line-dk);
  color:var(--paper);
}
.btn-outline-dark:hover{ border-color:var(--ember); color:var(--ember); }
.btn-outline-light{
  border-color:var(--line-lt);
  color:var(--ink);
}
.btn-outline-light:hover{ border-color:var(--ember); color:var(--ember-dim); }

/* ---------- NAV ---------- */
.site-nav{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  padding:20px 0;
  transition:background .35s ease, padding .35s ease, border-color .35s ease;
  border-bottom:1px solid transparent;
}
.site-nav.is-scrolled{
  background:rgba(27,27,29,0.92);
  backdrop-filter:blur(10px);
  padding:14px 0;
  border-color:var(--line-dk);
}
.site-nav .wrap{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.nav-logo{ height:50px; display:flex; align-items:center; }
.nav-logo img{ height:100px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:36px; }
.nav-links a{
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--paper);
  opacity:.75;
  position:relative;
  padding-bottom:4px;
}
.nav-links a:hover{ opacity:1; }
.nav-links a.active{ opacity:1; color:var(--ember); }
.nav-cta{
  padding:10px 18px;
  font-size:12px;
}
.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line-dk);
  color:var(--paper);
  width:40px; height:40px;
  border-radius:var(--radius);
  align-items:center;
  justify-content:center;
}
.nav-toggle svg{ width:18px; height:18px; }

/* ---------- HERO ---------- */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--paper);
  padding:108px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-dk) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dk) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.35;
  mask-image:radial-gradient(ellipse 70% 60% at 60% 30%, black, transparent);
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr 0.85fr;
  gap:48px;
  align-items:end;
}
.hero-logo{
  height:80px;
  margin-bottom:28px;
}
.hero h1{
  font-size:clamp(42px, 6vw, 76px);
  line-height:0.98;
  max-width:14ch;
}
.hero h1 em{
  font-style:normal;
  color:var(--ember);
}
.hero-sub{
  margin-top:26px;
  max-width:46ch;
  font-size:18px;
  color:rgba(246,244,239,0.72);
}
.hero-actions{
  display:flex;
  gap:16px;
  margin-top:38px;
  flex-wrap:wrap;
}
.hero-panel{
  border:1px solid var(--line-dk);
  padding:26px;
  border-radius:var(--radius);
  background:rgba(255,255,255,0.02);
}
.hero-panel .eyebrow{ margin-bottom:16px; }
.cut-figure{ width:100%; height:auto; }
.cut-figure path, .cut-figure circle, .cut-figure line{
  fill:none;
  stroke:var(--ember);
  stroke-width:1.4;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.cut-figure .solid{ fill:var(--ember); stroke:none; }
.cut-figure .steel-line{ stroke:var(--steel); }
.draw-path{
  stroke-dasharray:100;
}
.draw-path.loop{
  animation: cutLoop 6s linear infinite;
}
@keyframes cutLoop{
  0%   { stroke-dashoffset:100; }
  70%  { stroke-dashoffset:0; }
  100% { stroke-dashoffset:0; }
}
.is-visible .draw-path{ stroke-dashoffset:0; }

/* ---------- TICKER ---------- */
.ticker{
  background:var(--ember);
  color:var(--ink);
  overflow:hidden;
  white-space:nowrap;
  border-top:1px solid var(--ink);
  border-bottom:1px solid var(--ink);
}
.ticker-track{
  display:inline-flex;
  align-items:center;
  animation:tick 32s linear infinite;
}
.ticker-track span{
  font-family:var(--f-mono);
  font-size:13px;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:12px 28px;
  border-right:1px solid rgba(27,27,29,0.35);
}
@keyframes tick{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ---------- SECTION SCAFFOLDING ---------- */
section{ padding:104px 0; }
.section-head{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:end;
  margin-bottom:56px;
}
.section-head h2{
  font-size:clamp(30px,3.4vw,44px);
  margin-top:14px;
  line-height:1.05;
}
.section-head p{
  color:var(--ash);
  font-size:16.5px;
  max-width:44ch;
}
.on-dark{ background:var(--ink); color:var(--paper); }
.on-dark .section-head p{ color:rgba(246,244,239,0.65); }
.on-dim{ background:var(--paper-dim); }

.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{ opacity:1; transform:none; }

/* ---------- SECTORES ---------- */
.sector-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line-lt);
  border:1px solid var(--line-lt);
}
.sector-card{
  background:var(--paper);
  padding:38px 30px;
  transition:background .3s ease;
}
.sector-card:hover{ background:#fff; }
.sector-card .icon{ width:44px; height:44px; margin-bottom:24px; }
.sector-card h3{ font-size:21px; margin-bottom:10px; }
.sector-card p{ color:var(--ash); font-size:14.5px; }
.sector-card .tag{
  display:inline-block;
  margin-top:18px;
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--steel);
}

/* ---------- MATERIALES ---------- */
.material-list{
  border-top:1px solid var(--line-dk);
}
.material-row{
  display:grid;
  grid-template-columns:60px 1fr 1.4fr 140px;
  gap:24px;
  align-items:center;
  padding:20px 0;
  border-bottom:1px solid var(--line-dk);
}
.material-row .idx{ font-family:var(--f-mono); color:var(--ember); font-size:13px; }
.material-row h4{ font-size:18px; }
.material-row p{ color:rgba(246,244,239,0.6); font-size:14px; }
.material-row .spec{
  font-family:var(--f-mono);
  font-size:12px;
  color:var(--paper);
  opacity:.55;
  text-align:right;
  text-transform:uppercase;
  letter-spacing:.05em;
}

/* ---------- PROCESO ---------- */
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
}
.process-step{ position:relative; padding-top:20px; }
.process-step::before{
  content:"";
  position:absolute; top:0; left:0;
  width:100%; height:2px;
  background:var(--line-lt);
}
.process-step::after{
  content:"";
  position:absolute; top:-1px; left:0;
  width:0; height:2px;
  background:var(--ember);
  transition:width 1s ease .1s;
}
.process-step.is-visible::after{ width:100%; }
.process-step .num{
  font-family:var(--f-mono);
  color:var(--ember);
  font-size:13px;
  display:block;
  margin-bottom:14px;
}
.process-step h4{ font-size:19px; margin-bottom:10px; }
.process-step p{ color:var(--ash); font-size:14px; }

/* ---------- DESTACADOS ---------- */
.feature-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.feature-split.reverse .feature-art{ order:2; }
.feature-art{
  border:1px solid var(--line-lt);
  aspect-ratio:4/3;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--paper-dim);
  position:relative;
  overflow:hidden;
}
.feature-art svg{ width:70%; height:70%; }
.feature-copy .eyebrow{ margin-bottom:18px; }
.feature-copy h3{ font-size:clamp(24px,2.6vw,32px); margin-bottom:16px; }
.feature-copy p{ color:var(--ash); margin-bottom:22px; }
.feature-copy ul{ display:flex; flex-direction:column; gap:10px; margin-bottom:26px; }
.feature-copy li{
  font-size:14.5px;
  padding-left:22px;
  position:relative;
  color:var(--ink-soft);
}
.feature-copy li::before{
  content:"";
  position:absolute; left:0; top:8px;
  width:10px; height:1px;
  background:var(--ember);
}

/* ---------- CTA BAND ---------- */
.cta-band{
  background:var(--ink);
  color:var(--paper);
  padding:80px 0;
  text-align:center;
  position:relative;
}
.cta-band h2{ font-size:clamp(28px,4vw,46px); max-width:20ch; margin:16px auto 30px; }
.cta-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

/* ---------- FOOTER ---------- */
footer{
  background:var(--ink);
  color:rgba(246,244,239,0.6);
  padding:64px 0 28px;
  border-top:1px solid var(--line-dk);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-logo{ height:150px; margin-bottom:18px; }
.footer-grid p{ font-size:14px; max-width:32ch; }
.footer-col h5{
  font-family:var(--f-mono);
  font-size:12px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--paper);
  margin-bottom:16px;
}
.footer-col li{ margin-bottom:10px; font-size:14.5px; }
.footer-col a:hover{ color:var(--ember); }
.footer-bottom{
  border-top:1px solid var(--line-dk);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:.04em;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- PAGE HEADER (catálogo / contacto) ---------- */
.page-header{
  background:var(--ink);
  color:var(--paper);
  padding:150px 0 64px;
  position:relative;
  overflow:hidden;
}
.page-header::before{
  content:"";
  position:absolute; inset:0;
  background-image:linear-gradient(var(--line-dk) 1px, transparent 1px), linear-gradient(90deg, var(--line-dk) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.3;
  mask-image:radial-gradient(ellipse 60% 80% at 80% 0%, black, transparent);
}
.page-header h1{
  position:relative;
  font-size:clamp(36px,5vw,58px);
  margin-top:16px;
  max-width:18ch;
}
.page-header p{
  position:relative;
  margin-top:18px;
  max-width:52ch;
  color:rgba(246,244,239,0.68);
  font-size:17px;
}

/* ---------- CATALOGO FILTERS ---------- */
.filter-bar{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding:36px 0 8px;
  border-bottom:1px solid var(--line-lt);
  margin-bottom:48px;
}
.filter-btn{
  font-family:var(--f-mono);
  font-size:12.5px;
  letter-spacing:.05em;
  text-transform:uppercase;
  padding:10px 18px;
  border:1px solid var(--line-lt);
  border-radius:var(--radius);
  background:transparent;
  color:var(--ink);
  transition:all .25s ease;
}
.filter-btn:hover{ border-color:var(--ember); }
.filter-btn.active{ background:var(--ink); border-color:var(--ink); color:var(--paper); }

.catalog-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line-lt);
  border:1px solid var(--line-lt);
  margin-bottom:40px;
}
.catalog-card{
  background:var(--paper);
  padding:34px 28px 28px;
  transition:background .3s ease;
  display:flex;
  flex-direction:column;
}
.catalog-card:hover{ background:#fff; }
.catalog-card:hover .draw-path{ stroke-dashoffset:0; }
.catalog-card .art{
  height:150px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:22px;
}
.catalog-card .art svg{ width:100%; height:100%; }
.catalog-card h3{ font-size:19px; margin-bottom:8px; }
.catalog-card p{ color:var(--ash); font-size:14px; margin-bottom:18px; flex-grow:1; }
.chip-row{ display:flex; gap:8px; flex-wrap:wrap; }
.chip{
  font-family:var(--f-mono);
  font-size:10.5px;
  letter-spacing:.06em;
  text-transform:uppercase;
  padding:5px 10px;
  border:1px solid var(--line-lt);
  color:var(--ash);
  border-radius:var(--radius);
}

.catalog-note{
  background:var(--paper-dim);
  border:1px dashed var(--ash);
  padding:26px 28px;
  font-size:14.5px;
  color:var(--ink-soft);
  margin-bottom:80px;
}
.catalog-note strong{ color:var(--ember-dim); }

/* ---------- CONTACTO ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:64px;
}
.contact-info h2{ font-size:28px; margin-bottom:18px; }
.contact-info > p{ color:var(--ash); margin-bottom:36px; font-size:15.5px; }
.contact-block{
  display:flex;
  gap:18px;
  padding:22px 0;
  border-top:1px solid var(--line-lt);
}
.contact-block:last-of-type{ border-bottom:1px solid var(--line-lt); }
.contact-block .ic{ width:22px; height:22px; flex-shrink:0; margin-top:2px; }
.contact-block .ic path,.contact-block .ic circle,.contact-block .ic rect{ stroke:var(--ember); fill:none; stroke-width:1.5; }
.contact-block h4{
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--ash);
  margin-bottom:6px;
}
.contact-block p{ font-size:15.5px; }
.contact-block a:hover{ color:var(--ember-dim); }

.form-panel{
  background:var(--ink);
  color:var(--paper);
  padding:44px;
  border-radius:var(--radius);
}
.form-panel h3{ font-size:22px; margin-bottom:8px; }
.form-panel > p{ color:rgba(246,244,239,0.6); font-size:14.5px; margin-bottom:30px; }
.field{ margin-bottom:22px; }
.field label{
  display:block;
  font-family:var(--f-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:rgba(246,244,239,0.55);
  margin-bottom:8px;
}
.field input, .field select, .field textarea{
  width:100%;
  background:transparent;
  border:1px solid var(--line-dk);
  color:var(--paper);
  padding:13px 14px;
  font-family:var(--f-body);
  font-size:15px;
  border-radius:var(--radius);
  transition:border-color .25s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color:var(--ember);
  outline:none;
}
.field textarea{ resize:vertical; min-height:110px; }
.field select option{ background:var(--ink); }
.form-note{
  font-size:12.5px;
  color:rgba(246,244,239,0.45);
  margin-top:6px;
}
.map-strip{
  margin-top:56px;
  border:1px solid var(--line-lt);
  padding:32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  background:var(--paper-dim);
}
.map-strip .txt{ max-width:46ch; }
.map-strip h4{ font-size:17px; margin-bottom:8px; }
.map-strip p{ color:var(--ash); font-size:14px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 980px){
  .nav-links{ position:fixed; inset:0 0 0 auto; width:min(78vw,340px); background:var(--ink); flex-direction:column; align-items:flex-start; padding:110px 32px 40px; gap:26px; transform:translateX(100%); transition:transform .4s ease; }
  .nav-links.open{ transform:translateX(0); }
  .nav-toggle{ display:flex; }
  .nav-cta{ margin-top:8px; }
  .hero-grid{ grid-template-columns:1fr; }
  .hero-panel{ display:none; }
  .section-head{ grid-template-columns:1fr; }
  .sector-grid{ grid-template-columns:1fr; }
  .process-grid{ grid-template-columns:1fr 1fr; }
  .feature-split{ grid-template-columns:1fr; gap:32px; }
  .feature-split.reverse .feature-art{ order:0; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .catalog-grid{ grid-template-columns:1fr 1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .material-row{ grid-template-columns:40px 1fr; row-gap:6px; }
  .material-row .spec{ display:none; }
  .material-row p{ grid-column:2; }
}
@media (max-width: 640px){
  .process-grid{ grid-template-columns:1fr; }
  .catalog-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; }
  .form-panel{ padding:28px; }
  section{ padding:72px 0; }
  .hero{ padding-top:132px; }
}