/* =========================================================
   i-territorio · Territorio de Diseño Industrial
   Identidad provisional: grafito + naranja láser, tipografía técnica
   ========================================================= */
:root{
  --graphite:#15181C;   /* fondo oscuro */
  --steel:#2A2F36;
  --steel-2:#474E58;
  --paper:#F5F4F0;      /* fondo claro cálido */
  --white:#FFFFFF;
  --ink:#16181B;
  --ink-2:#4A4F57;
  --muted:#7A8089;
  --line:#E2E0DA;
  --orange:#FF5A1F;     /* naranja láser */
  --orange-2:#E0440C;
  --blue:#7FA7CF;       /* líneas de plano */

  /* pieza del hero */
  --part-top:#C9CDD3; --part-x:#8E959F; --part-y:#6B727C; --part-edge:#15181C;
  --part-hole:#2A2F36; --part-layer:rgba(21,24,28,.28);

  --r:10px;
  --wrap:1180px;
  --f-head:"Space Grotesk", system-ui, sans-serif;
  --f-body:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono:"JetBrains Mono", ui-monospace, Menlo, monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:80px}
body{margin:0; font:16px/1.65 var(--f-body); color:var(--ink); background:var(--paper); -webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--orange-2)}
h1,h2,h3{font-family:var(--f-head); line-height:1.12; letter-spacing:-.015em; margin:0}
h2{font-size:clamp(28px,3.4vw,42px); font-weight:600}
h3{font-size:19px; font-weight:600}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap); margin:0 auto; padding:0 20px}
.skip{position:absolute; left:-999px} .skip:focus{left:12px; top:12px; z-index:99; background:var(--white); padding:8px 12px}

.eyebrow{font:500 12px/1 var(--f-mono); letter-spacing:.14em; text-transform:uppercase; color:var(--orange-2); margin:0 0 16px; display:flex; align-items:center; gap:10px}
.eyebrow::before{content:""; width:22px; height:2px; background:currentColor}
.eyebrow-light{color:var(--orange)}

.btn{display:inline-flex; align-items:center; gap:8px; font:600 15px/1 var(--f-body); color:var(--white); background:var(--orange); border:2px solid var(--orange); padding:14px 22px; border-radius:6px; text-decoration:none; transition:background .2s, border-color .2s, transform .2s; cursor:pointer}
.btn:hover{background:var(--orange-2); border-color:var(--orange-2); transform:translateY(-1px)}
.btn:focus-visible{outline:3px solid rgba(255,90,31,.4); outline-offset:2px}
.btn-sm{padding:10px 16px; font-size:14px}
.btn-ghost{background:transparent; color:var(--white); border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.08); border-color:var(--white)}

/* ---------------- cabecera ---------------- */
.site-header{position:sticky; top:0; z-index:50; background:rgba(21,24,28,.92); backdrop-filter:blur(10px); border-bottom:1px solid rgba(255,255,255,.07)}
.header-inner{display:flex; align-items:center; justify-content:space-between; min-height:68px; gap:20px}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none; color:var(--white)}
.brand-text{font:600 21px/1 var(--f-head); letter-spacing:-.01em; display:flex; flex-direction:column; gap:5px}
.brand-text small{font:500 10.5px/1 var(--f-mono); letter-spacing:.12em; text-transform:uppercase; color:#9AA0A8}
.brand-i{color:var(--orange)}
.nav{display:flex; align-items:center; gap:28px}
.nav a:not(.btn){color:#D6D9DE; text-decoration:none; font-size:15px; font-weight:500}
.nav a:not(.btn):hover{color:var(--white)}
.nav-toggle{display:none; background:none; border:0; width:40px; height:40px; padding:9px; cursor:pointer}
.nav-toggle span{display:block; height:2px; background:var(--white); margin:5px 0; transition:transform .2s, opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------------- hero ---------------- */
.hero{position:relative; color:var(--white); background:var(--graphite); overflow:hidden; padding:72px 0 88px}
.hero::before{content:""; position:absolute; inset:0; pointer-events:none;
  background-image:linear-gradient(rgba(127,167,207,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(127,167,207,.07) 1px, transparent 1px),
                   linear-gradient(rgba(127,167,207,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(127,167,207,.035) 1px, transparent 1px);
  background-size:80px 80px, 80px 80px, 16px 16px, 16px 16px}
.hero::after{content:""; position:absolute; right:-10%; top:-20%; width:60%; height:120%; background:radial-gradient(closest-side, rgba(255,90,31,.16), transparent); pointer-events:none}
.hero-grid{position:relative; z-index:1; display:grid; grid-template-columns:1.05fr .95fr; gap:48px; align-items:center}
.hero h1{font-size:clamp(34px,4.3vw,56px); font-weight:700; margin-bottom:22px}
.hero h1 .soft{color:#8E959F; font-weight:500}
.lead{font-size:18px; color:#C4C8CE; max-width:56ch; margin-bottom:30px}
.hero-cta{display:flex; flex-wrap:wrap; gap:12px; margin-bottom:40px}
.hero-specs{display:flex; flex-wrap:wrap; gap:14px 40px; margin:0; padding-top:24px; border-top:1px solid rgba(255,255,255,.1)}
.hero-specs dt{font:500 11px/1 var(--f-mono); letter-spacing:.12em; text-transform:uppercase; color:#8E959F; margin-bottom:8px}
.hero-specs dd{margin:0; font:500 15px/1.2 var(--f-mono); color:var(--white)}
.hero-visual{position:relative}
.hero-part{width:100%; height:auto; display:block}
.hero-part .ghost polygon{fill:none; stroke:rgba(127,167,207,.45); stroke-width:.9; stroke-dasharray:3 3}
.hero-part .ghost line{display:none}
.hero-part .dims line{stroke:var(--blue); stroke-width:1; opacity:.8}
.hero-part .dims text{fill:var(--blue); font:500 11px var(--f-mono)}
.hero-part .beam{filter:drop-shadow(0 0 6px var(--orange))}
.hero-caption{font:500 12px/1.4 var(--f-mono); color:#8E959F; text-align:center; margin:8px 0 0}
.dot{display:inline-block; width:8px; height:8px; border-radius:50%; background:var(--orange); margin-right:6px; box-shadow:0 0 0 4px rgba(255,90,31,.2); animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(255,90,31,0)}}

/* ---------------- secciones ---------------- */
.section{padding:96px 0}
.section-alt{background:var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.section-head{max-width:720px; margin-bottom:48px}
.section-head p:not(.eyebrow){color:var(--ink-2); font-size:17px; margin-top:14px}

.cards{display:grid; grid-template-columns:repeat(4,1fr); gap:18px}
.card{position:relative; background:var(--white); border:1px solid var(--line); border-radius:var(--r); padding:26px 22px 24px; transition:border-color .2s, transform .2s, box-shadow .2s}
.card:hover{border-color:var(--orange); transform:translateY(-3px); box-shadow:0 14px 30px -18px rgba(21,24,28,.35)}
.card-ico{width:46px; height:46px; border-radius:8px; background:var(--graphite); display:grid; place-items:center; margin-bottom:22px}
.card-ico svg{width:24px; height:24px; fill:none; stroke:var(--orange); stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round}
.card-num{position:absolute; top:24px; right:22px; font:500 12px var(--f-mono); color:var(--muted)}
.card h3{margin-bottom:10px}
.card p{color:var(--ink-2); font-size:15px}
.ticks{list-style:none; margin:16px 0 0; padding:14px 0 0; border-top:1px dashed var(--line); font-size:14px; color:var(--ink)}
.ticks li{padding-left:20px; position:relative; margin-bottom:6px}
.ticks li::before{content:""; position:absolute; left:0; top:.62em; width:10px; height:2px; background:var(--orange)}

.band{background:var(--steel); color:var(--white); padding:80px 0}
.band-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:48px; align-items:start}
.band p{color:#C4C8CE; font-size:17px}
.band-note{color:var(--white)!important; font-weight:500; border-left:3px solid var(--orange); padding-left:16px}

.steps{list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(5,1fr); gap:0; counter-reset:s}
.steps li{position:relative; padding:28px 22px 0 0; border-top:2px solid var(--ink)}
.steps li::before{content:""; position:absolute; top:-7px; left:0; width:12px; height:12px; border-radius:50%; background:var(--orange); box-shadow:0 0 0 4px var(--paper)}
.step-n{font:500 13px var(--f-mono); color:var(--orange-2); display:block; margin-bottom:10px}
.steps h3{font-size:17px; margin-bottom:8px}
.steps p{font-size:14.5px; color:var(--ink-2)}

.mat-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:18px}
.mat{border:1px solid var(--line); border-radius:var(--r); padding:22px; background:var(--paper)}
.mat header{margin-bottom:10px}
.mat-tag{display:inline-block; font:500 11px/1 var(--f-mono); letter-spacing:.08em; color:var(--ink-2); border:1px solid var(--line); background:var(--white); padding:6px 8px; border-radius:4px; margin-bottom:14px}
.mat p{font-size:15px; color:var(--ink-2); margin:0}
.mat-metal{background:var(--graphite); border-color:var(--graphite); color:var(--white)}
.mat-metal .mat-tag{background:transparent; color:var(--orange); border-color:rgba(255,90,31,.5)}
.mat-metal p{color:#C4C8CE}
.fine{font-size:14px; color:var(--muted); margin-top:22px}

.two-col{display:grid; grid-template-columns:1fr 1fr; gap:64px}
.two-col h2{margin-bottom:14px}
.two-col > div > p:not(.eyebrow){color:var(--ink-2)}
.chips{list-style:none; margin:24px 0 0; padding:0; display:flex; flex-wrap:wrap; gap:8px}
.chips li{font:500 13px/1 var(--f-mono); background:var(--white); border:1px solid var(--line); padding:10px 12px; border-radius:6px}
.chips li:nth-last-child(-n+2){border-style:dashed; color:var(--ink-2)}
.sectors{list-style:none; margin:22px 0 0; padding:0}
.sectors li{display:grid; grid-template-columns:200px 1fr; gap:16px; padding:14px 0; border-bottom:1px solid var(--line)}
.sectors strong{font-family:var(--f-head); font-weight:600}
.sectors span{color:var(--ink-2); font-size:15px}

/* ---------------- contacto ---------------- */
.contact{background:var(--graphite); color:var(--white); position:relative}
.contact-grid{display:grid; grid-template-columns:.85fr 1.15fr; gap:56px; align-items:start}
.contact-copy p{color:#C4C8CE}
.contact-mail a{color:var(--white)}
.form{background:var(--white); color:var(--ink); border-radius:var(--r); padding:28px; display:grid; gap:14px}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.form label{display:grid; gap:6px; font-size:13px; font-weight:600; color:var(--ink-2)}
.form input:not([type=checkbox]), .form select, .form textarea{font:15px var(--f-body); color:var(--ink); background:var(--paper); border:1px solid var(--line); border-radius:6px; padding:11px 12px; width:100%}
.form input:focus, .form select:focus, .form textarea:focus{outline:2px solid rgba(255,90,31,.45); border-color:var(--orange)}
.form .check{display:flex; gap:10px; align-items:flex-start; font-weight:400}
.form .check input{margin-top:4px; accent-color:var(--orange)}
.form .btn{justify-self:start}
.hp{position:absolute!important; left:-9999px}
.form-msg{padding:12px 14px; border-radius:6px; margin:0; font-size:14px}
.form-msg.ok, .form-status.ok{color:#1a7f37} .form-msg.ok{background:#e8f5ec}
.form-msg.err, .form-status.err{color:#c62828} .form-msg.err{background:#fdecec}
.form-status{margin:0; font-size:14px; min-height:1.2em}

/* ---------------- pie ---------------- */
.site-footer{background:#0F1114; color:#9AA0A8; padding:56px 0 24px; font-size:14px}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:36px; border-bottom:1px solid rgba(255,255,255,.08)}
.site-footer h4{font:500 11px var(--f-mono); letter-spacing:.14em; text-transform:uppercase; color:var(--white); margin:6px 0 14px}
.site-footer p{margin:0 0 8px}
.site-footer a{color:#C4C8CE; text-decoration:none} .site-footer a:hover{color:var(--orange)}
.footer-claim{max-width:34ch; margin-top:16px!important}
.footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; padding-top:20px; font-size:13px}

/* imágenes */
.card-media{margin:-26px -22px 20px; border-radius:var(--r) var(--r) 0 0; overflow:hidden; aspect-ratio:4/3; background:var(--steel)}
.card-media img{width:100%; height:100%; object-fit:cover; display:block; transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media + .card-ico{margin-top:-46px; position:relative; border:3px solid var(--white); box-sizing:content-box}
.card-media ~ .card-num{display:none}
.band-media{margin:28px 0 0; border-radius:var(--r); overflow:hidden; aspect-ratio:4/3; box-shadow:0 20px 40px -20px rgba(0,0,0,.6)}
.band-media img{width:100%; height:100%; object-fit:cover; display:block}
.strip-photo{min-height:clamp(260px,38vw,520px); background:var(--graphite) center/cover no-repeat; display:flex; align-items:center; position:relative}
.strip-photo::before{content:""; position:absolute; inset:0; background:linear-gradient(90deg, rgba(21,24,28,.85) 0%, rgba(21,24,28,.35) 45%, transparent 70%)}
.strip-photo .wrap{position:relative; width:100%}
.strip-quote{font:600 clamp(24px,3.2vw,40px)/1.15 var(--f-head); color:var(--white); margin:0; letter-spacing:-.01em}
.strip-quote span{color:var(--orange)}
.mat-metal.has-bg{background:linear-gradient(180deg, rgba(21,24,28,.55), rgba(21,24,28,.92)), var(--bg) center/cover}

/* páginas legales */
.legal{padding:72px 0; max-width:780px}
.legal h1{font-size:40px; margin-bottom:24px}
.legal h2{font-size:22px; margin:32px 0 10px}
.todo{background:#fff4d6; border:1px dashed #d9a400; padding:2px 6px; border-radius:4px}

/* aparición */
.reveal{opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1; transform:none}

/* ---------------- responsive ---------------- */
@media (max-width:1060px){
  .cards, .mat-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr 1fr 1fr; row-gap:36px}
}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{position:absolute; top:68px; left:0; right:0; flex-direction:column; align-items:stretch; gap:0; background:var(--graphite); border-bottom:1px solid rgba(255,255,255,.08); padding:8px 20px 18px; display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:14px 0; border-bottom:1px solid rgba(255,255,255,.06)}
  .nav .btn{margin-top:14px; justify-content:center}
  .hero{padding:48px 0 64px}
  .hero-grid, .band-grid, .two-col, .contact-grid{grid-template-columns:1fr; gap:36px}
  .hero-visual{max-width:460px; margin:0 auto; width:100%}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .cards, .mat-grid, .form-row{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .sectors li{grid-template-columns:1fr; gap:4px}
  .brand-text small{display:none}
  .footer-grid{grid-template-columns:1fr}
  .form{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important; transition:none!important; scroll-behavior:auto!important}
}