/*
Theme Name: Lobsteel KERF
Theme URI: https://bpemonaco.com
Template: twentytwentyfive
Author: BPE Monaco
Description: Lobsteel - direzione "KERF": acciaio grafite freddo + blu-laser (Space Grotesk display + IBM Plex Sans + IBM Plex Mono). Tema child di twentytwentyfive per WooCommerce. Skin alternativa a laser24-v3 (MATERIA), stesso back-end (plugin bpe-laser-configurator + tubo24-configurator).
Version: 1.0.2
Requires at least: 6.5
Requires PHP: 8.0
Text Domain: laser24kerf
*/

/* NB: i font (Space Grotesk / IBM Plex Sans / IBM Plex Mono) sono SELF-HOSTED in
   assets/css/kerf-fonts.css (woff2) - nessuna dipendenza da Google Fonts a runtime. */

/* ============================================================
   LOBSTEEL v2 — direzione "KERF"
   Design system condiviso. Precisione da strumento CNC.
   ============================================================ */

:root{
  /* — superfici — */
  --void:#0B0E10;
  --graphite:#101519;
  --graphite-2:#171D22;
  --graphite-3:#1F262C;
  --draft:#EAEEF1;      /* carta da disegno fredda (sezioni chiare) */
  --surface:#FFFFFF;
  --paper-2:#F3F6F8;

  /* — testo — */
  --ink:#0C1113;
  --ink-2:#2B333A;
  --slate:#586570;      /* secondario su chiaro */
  --slate-d:#8B98A3;    /* secondario su scuro */
  --draft-dim:#C3CCD3;

  /* — linee — */
  --line:#D7DEE3;
  --line-2:#C4CDD4;
  --line-d:#28313A;
  --line-d2:#323C45;

  /* — segnale laser — */
  --laser:#2D6CFF;      /* blu laser luminoso (linee/accenti/HUD) */
  --laser-ink:#1E4FD1;  /* azione accessibile (bottoni/link su chiaro) */
  --laser-soft:#E4ECFF;
  --laser-glow:rgba(45,108,255,.45);
  --hot:#EAF3FF;        /* hot-white al punto di taglio */

  /* — funzionali — */
  --amber:#E8890C;      /* warning DFM */
  --amber-soft:#FBEBD3;
  --ok:#12A150;
  --ok-soft:#DBF3E4;

  /* — type — */
  --f-disp:'Space Grotesk',system-ui,sans-serif;
  --f-body:'IBM Plex Sans',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,monospace;

  /* — misura — */
  --pad:clamp(20px,5vw,72px);
  --maxw:1280px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --tick:var(--laser);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--draft);color:var(--ink);
  font-family:var(--f-body);font-size:16.5px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;font-family:var(--f-disp);font-weight:600;line-height:1.03;letter-spacing:-.02em}
p{margin:0}
a{color:inherit;text-decoration:none}
img,svg,canvas{display:block;max-width:100%}
.wp-site-blocks > * + *{margin-block-start:0}
::selection{background:var(--laser);color:#fff}
:where(a,button,label,input,select,textarea,[tabindex]):focus-visible{
  outline:2px solid var(--laser);outline-offset:3px;border-radius:1px}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.section{padding-block:clamp(52px,7vw,96px)}
.section--tight{padding-block:clamp(44px,6vw,80px)}

/* — device strutturali — */
.eyebrow{
  font-family:var(--f-mono);font-size:12px;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--slate);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--laser)}
.on-dark .eyebrow,.eyebrow.is-dark{color:var(--slate-d)}
.spec-tag{
  font-family:var(--f-mono);font-size:11.5px;font-weight:500;letter-spacing:.08em;
  color:var(--slate);border:1px solid var(--line-2);padding:3px 8px;display:inline-block}
.on-dark .spec-tag{color:var(--draft-dim);border-color:var(--line-d2)}
.lede{color:var(--slate);font-size:clamp(16px,1.5vw,19px);max-width:56ch;line-height:1.65}
.on-dark .lede{color:var(--draft-dim)}

.sec-head{max-width:64ch}
.sec-head h2{font-size:clamp(28px,4.4vw,54px);margin:14px 0 0;letter-spacing:-.03em}
.sec-head .lede{margin:18px 0 0}

/* corner ticks — marker di registro sui riquadri chiave */
.ticked{position:relative}
.ticked::before,.ticked::after{content:"";position:absolute;width:10px;height:10px;pointer-events:none}
.ticked::before{top:-1px;left:-1px;border-top:2px solid var(--laser);border-left:2px solid var(--laser)}
.ticked::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--laser);border-right:2px solid var(--laser)}

/* — bottoni — */
.btn{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--f-body);font-weight:600;
  font-size:15.5px;padding:14px 24px;border:1.5px solid transparent;cursor:pointer;
  border-radius:0;transition:transform .16s var(--ease),background .18s,border-color .18s,color .18s}
.btn:hover{transform:translateY(-2px)}
.btn--laser{background:var(--laser-ink);color:#fff}
.btn--laser:hover{background:#173fab}
.btn--line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--line:hover{background:var(--ink);color:var(--draft)}
.on-dark .btn--line{color:var(--draft);border-color:var(--line-d2)}
.on-dark .btn--line:hover{background:var(--draft);color:var(--ink)}
.btn--ghost{background:transparent;color:var(--laser-ink);padding-inline:0}
.link-u{font-weight:600;color:var(--laser-ink);border-bottom:2px solid var(--laser);padding-bottom:2px}
.on-dark .link-u{color:var(--laser-2,#7ea6ff);color:#9db9ff}
.link-u:hover{opacity:.75}

/* ============ HEADER ============ */
.hdr{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--draft) 86%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:22px}
.brand{font-family:var(--f-disp);font-weight:700;font-size:21px;letter-spacing:-.03em;
  display:inline-flex;align-items:center;gap:9px;color:var(--ink)}
.brand .mk{width:13px;height:13px;position:relative;flex:none}
.brand .mk::before,.brand .mk::after{content:"";position:absolute;background:var(--laser)}
.brand .mk::before{inset:0 45% 0 0}
.brand .mk::after{inset:0 0 0 62%;background:var(--ink)}
.nav{display:flex;gap:26px}
.nav a{font-size:14.5px;color:var(--ink-2);font-weight:500}
.nav a:hover,.nav a[aria-current="page"]{color:var(--laser-ink)}
.nav a[aria-current="page"]{position:relative}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--laser)}
.hdr-r{display:flex;align-items:center;gap:16px}
.navtog{display:none}
.burger{display:none;align-items:center;justify-content:center;width:44px;height:44px;cursor:pointer;margin-right:-8px}
.burger span,.burger span::before,.burger span::after{width:23px;height:2px;background:var(--ink);display:block;transition:transform .25s var(--ease),background .2s}
.burger span{position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-7px}.burger span::after{top:7px}
.navtog:checked ~ .hdr-r .burger span{background:transparent}
.navtog:checked ~ .hdr-r .burger span::before{top:0;transform:rotate(45deg)}
.navtog:checked ~ .hdr-r .burger span::after{top:0;transform:rotate(-45deg)}

/* ============ STRIP TRUST ============ */
.strip{background:var(--graphite);color:var(--draft);position:relative;overflow:hidden}
.strip::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--laser) 26%,#a9c6ff 50%,var(--laser) 74%,transparent);
  box-shadow:0 0 16px var(--laser-glow)}
.strip .wrap{display:flex;flex-wrap:wrap;gap:12px 34px;justify-content:space-between;padding-block:20px;
  font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em}
.strip .item{display:inline-flex;align-items:center;gap:9px;color:var(--draft-dim)}
.strip b{color:#fff;font-weight:500}
.strip .dot{color:var(--laser)}

/* ============ FOOTER ============ */
.ftr{background:var(--graphite);color:var(--slate-d);border-top:1px solid var(--line-d)}
.ftr .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-block:56px 40px}
.ftr h4{font-family:var(--f-mono);font-size:11.5px;font-weight:500;letter-spacing:.12em;
  text-transform:uppercase;color:var(--slate-d);margin-bottom:16px}
.ftr a{display:block;color:var(--draft-dim);font-size:14.5px;padding:5px 0}
.ftr a:hover{color:#fff}
.ftr .brand{color:#fff;font-size:20px;margin-bottom:14px}
.ftr .fdesc{color:var(--slate-d);font-size:14px;line-height:1.6;max-width:34ch}
.ftr-btm{border-top:1px solid var(--line-d);margin-top:8px}
.ftr-btm .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-block:22px;
  font-family:var(--f-mono);font-size:12px;letter-spacing:.03em;color:var(--slate-d)}

/* ============ COMPONENTI CONDIVISI SOTTOPAGINE ============ */
/* page hero compatto (scuro) */
.phero{background:var(--graphite);color:var(--draft);position:relative;overflow:hidden;border-bottom:1px solid var(--line-d)}
.phero::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:radial-gradient(90% 100% at 88% 20%,rgba(45,108,255,.12),transparent 55%)}
.phero .wrap{position:relative;z-index:2;padding-block:clamp(48px,7vw,92px)}
.phero h1{font-size:clamp(34px,5.4vw,68px);letter-spacing:-.035em;color:#fff;margin-top:14px}
.phero .lede{color:var(--draft-dim);margin-top:20px}
.phero .eyebrow{color:var(--slate-d)}

/* tabella tecnica (mono, tabular) */
.spectable{width:100%;border-collapse:collapse;margin-top:8px;font-size:14px}
.spectable caption{text-align:left;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--slate);padding-bottom:12px}
.spectable th,.spectable td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
.spectable thead th{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--slate);font-weight:500;background:var(--paper-2)}
.spectable tbody th{font-weight:600;color:var(--ink)}
.spectable td{font-family:var(--f-mono);color:var(--ink-2);font-variant-numeric:tabular-nums}
.spectable tbody tr:hover{background:var(--paper-2)}

/* card grid generico */
.cards{display:grid;gap:16px;margin-top:36px}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--line);background:var(--surface);padding:24px}
.card .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--laser-ink)}
.card h3{font-size:20px;margin:12px 0 0;letter-spacing:-.01em}
.card p{color:var(--slate);margin:10px 0 0;font-size:14.5px;line-height:1.6}

/* FAQ (details) */
.faq{margin-top:40px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;display:flex;justify-content:space-between;
  align-items:center;gap:20px;font-family:var(--f-disp);font-weight:600;font-size:clamp(17px,2vw,21px);letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-mono);font-size:22px;color:var(--laser-ink);flex:none;transition:transform .2s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 22px;color:var(--slate);font-size:15.5px;line-height:1.65;max-width:70ch}

/* form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px}
.form-grid .full{grid-column:1/-1}
.ff{display:flex;flex-direction:column;gap:7px}
.ff label{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.ff label .req{color:var(--laser-ink)}
.ff input,.ff textarea,.ff select{font-family:var(--f-body);font-size:15px;padding:12px 14px;
  border:1px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:0;width:100%}
.ff textarea{resize:vertical;min-height:120px}
.ff input:focus,.ff textarea:focus,.ff select:focus{border-color:var(--laser);outline:none;box-shadow:0 0 0 3px var(--laser-soft)}
.ff .help{font-family:var(--f-mono);font-size:11.5px;color:var(--slate)}

/* CTA band riutilizzabile */
.ctaband{background:var(--void);color:var(--draft);position:relative;overflow:hidden}
.ctaband::before{content:"";position:absolute;inset:0;opacity:.6;
  background:radial-gradient(90% 120% at 100% 0%,rgba(45,108,255,.14),transparent 55%)}
.ctaband .wrap{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:28px;padding-block:clamp(48px,7vw,88px)}
.ctaband h2{font-size:clamp(30px,4.6vw,56px);font-weight:600;letter-spacing:-.03em;color:#fff;max-width:18ch}
.ctaband h2 .laser{color:var(--laser)}
.ctaband p{color:var(--draft-dim);margin-top:12px;max-width:44ch}

@media(max-width:900px){
  .cards.c3,.cards.c4{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .spectable{font-size:13px}
  .spectable th,.spectable td{padding:11px 12px}
}
@media(max-width:560px){ .cards.c3,.cards.c4{grid-template-columns:1fr} }

/* — reveal allo scroll — */
@media (prefers-reduced-motion:no-preference){
  body.js .rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
  body.js .rv.in{opacity:1;transform:none}
}

/* skip link */
.skip{position:absolute;left:12px;top:-60px;z-index:80;background:var(--laser-ink);color:#fff;font-weight:600;
  padding:10px 16px;transition:top .2s var(--ease)}
.skip:focus{top:12px}

/* ============ RESPONSIVE ============ */
@media(max-width:900px){
  .hide-mob{display:none}
  .burger{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--draft);border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:4px 0;display:none;box-shadow:0 18px 34px rgba(0,0,0,.14)}
  .navtog:checked ~ .nav{display:flex}
  .nav a{padding:15px var(--pad);font-size:16px}
  .nav a[aria-current="page"]::after{display:none}
  .ftr .wrap{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:520px){
  .ftr .wrap{grid-template-columns:1fr}
}