/* Base compartida de les demos 08–18 (v2). Cada demo hi afegeix el seu propi full al final. */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;overflow-x:clip}
body{overflow-x:clip}
body{margin:0;font-family:var(--body);font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--display);font-weight:inherit;line-height:1.05}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
table{border-collapse:collapse;width:100%}
address{font-style:normal}
.ico{width:1.1em;height:1.1em;flex:none}
.wrap{width:min(1240px,100% - 48px);margin-inline:auto}
[role=region]{position:relative}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:16px;top:-60px;z-index:100;padding:10px 16px;background:var(--ink);color:var(--bg);border-radius:6px}
.skip:focus{top:12px}
:focus-visible{outline:3px solid var(--focus,var(--accent));outline-offset:3px}

/* Botons (cada demo en defineix la forma) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;min-height:52px;padding:0 26px;border:0;text-decoration:none;font-weight:600;line-height:1.1;transition:transform .2s,background-color .2s,color .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn .ico{transition:transform .2s}
.btn:hover .ico{transform:translate(2px,-2px)}

/* Formulari compartit */
.demo-form .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px;border:0;margin:0;padding:0;min-width:0}
.demo-form .wide{grid-column:1/-1}
.demo-form label,.demo-form legend{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.demo-form label small{font-weight:400;opacity:.7}
.demo-form input:not([type=checkbox]):not([type=radio]),.demo-form select,.demo-form textarea{width:100%;min-height:52px;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--field-r,8px);background:var(--field,#fff);transition:border-color .2s,box-shadow .2s}
.demo-form textarea{min-height:120px;resize:vertical}
.demo-form input:focus,.demo-form select:focus,.demo-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
.demo-form .chips{border:0;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.demo-form .chips legend{width:100%;float:left;margin-bottom:9px}
.demo-form .chips label{margin:0;font-weight:500;cursor:pointer}
.demo-form .chips input{position:absolute;opacity:0}
.demo-form .chips span{display:inline-block;padding:9px 16px;border:1.5px solid var(--line);border-radius:999px;background:var(--field,#fff);font-size:15px;transition:.2s}
.demo-form .chips input:checked+span{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.demo-form .chips input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.demo-form .consent{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:14px;line-height:1.45}
.demo-form .consent input{width:20px;height:20px;margin:1px 0 0;flex:none;accent-color:var(--accent)}
.demo-form .form-actions{margin-top:4px}
.demo-form .form-actions .btn{width:100%}
.demo-form .form-result{display:flex;gap:10px;align-items:center;padding:14px 16px;border-radius:var(--field-r,8px);background:color-mix(in srgb,var(--accent) 12%,#fff);color:var(--ink);font-weight:600;font-size:15px}
.demo-form .form-result[hidden]{display:none}
.demo-form .form-title{font-size:28px;margin-bottom:8px}
.demo-form .form-intro{margin-bottom:24px;opacity:.8}
fieldset:disabled{opacity:.75}

/* Avís de demostració */
.demo-pill{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;align-items:center;gap:10px;margin:0;padding:9px 10px 9px 14px;border-radius:999px;background:rgba(17,17,17,.88);color:#fff;font:500 13px/1.2 system-ui,sans-serif;box-shadow:0 8px 30px rgba(0,0,0,.25);backdrop-filter:blur(8px)}
.demo-pill a{padding:6px 11px;border-radius:999px;background:#fff;color:#111;text-decoration:none;font-weight:600}
.demo-dot{width:8px;height:8px;border-radius:50%;background:#7ee08a;box-shadow:0 0 0 4px rgba(126,224,138,.2)}

/* Aparicions en desplaçar */
.js [data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.js [data-reveal].in{opacity:1;transform:none}
.js [data-reveal="2"]{transition-delay:.1s}.js [data-reveal="3"]{transition-delay:.2s}.js [data-reveal="4"]{transition-delay:.3s}

/* Pàgines legals */
.legal-main{padding:150px 0 110px}
.legal-doc{width:min(760px,100% - 48px);margin-inline:auto}
.legal-doc h1{font-size:clamp(40px,6vw,64px);margin:18px 0 18px}
.legal-doc h2{font-size:24px;margin:40px 0 12px}
.legal-doc p{margin-bottom:12px;max-width:68ch}
.legal-back{font-weight:600;text-decoration:none;color:var(--accent)}
.legal-note{padding:14px 16px;border-left:4px solid var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent);font-size:15px}

@media (max-width:760px){
  body{font-size:16px}
  .wrap{width:calc(100% - 32px)}
  .demo-form .form-grid{grid-template-columns:1fr}
  .demo-pill{right:12px;bottom:12px;font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .js [data-reveal]{opacity:1;transform:none}
}

/* ——— Tallers FerroNord ——— */
:root{--bg:#121417;--steel:#1d2228;--panel:#23292f;--ink:#eef0f2;--muted:#9aa4ad;--spark:#ff6a1a;--line:#2f363e;--accent:#ff6a1a;--focus:#ff6a1a;
  --display:'Chakra Petch',system-ui,sans-serif;--body:'IBM Plex Sans',system-ui,sans-serif;--mono:'IBM Plex Mono',ui-monospace,monospace;--field:#1a1f24;--field-r:2px}
h1,h2,h3{font-weight:700;text-transform:uppercase;letter-spacing:-.005em}
.code{font:500 13px var(--mono);color:var(--spark);letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px}
.body-l{font-size:18px;color:var(--muted)}
.btn{border-radius:2px;font:600 15px var(--display);text-transform:uppercase;letter-spacing:.06em}
.btn-spark{background:var(--spark);color:#111}
.btn-spark:hover{box-shadow:0 0 0 4px rgba(255,106,26,.25)}
.btn-steel{background:var(--panel);color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}

/* Barra d'estat i capçalera */
.status{background:#0b0c0e;font:500 12px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.status .wrap{display:flex;gap:30px;padding:8px 0}
.status span:first-child{display:flex;align-items:center;gap:8px;color:var(--ink)}
.led{width:8px;height:8px;border-radius:50%;background:#3ddc84;box-shadow:0 0 8px #3ddc84}
.hd{position:sticky;top:0;z-index:50;background:rgba(18,20,23,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;font:700 24px var(--display);letter-spacing:.06em}
.logo-mark{position:relative;width:30px;height:30px;border:3px solid var(--spark)}
.logo-mark i{position:absolute;inset:5px;background:var(--spark);clip-path:polygon(0 0,100% 0,0 100%)}
#site-menu{display:flex;align-items:stretch;height:100%}
#site-menu a{display:flex;align-items:center;gap:8px;padding:0 22px;border-left:1px solid var(--line);text-decoration:none;font:600 15px var(--display);text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
#site-menu a small{font:500 11px var(--mono);color:var(--spark)}
#site-menu a:hover,#site-menu a[aria-current]{color:var(--ink);background:var(--steel)}
#site-menu a.cta{background:var(--spark);color:#111}
#site-menu a.cta small{color:#111}
.menu-toggle{display:none;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--line);background:none;color:var(--ink);font:600 14px var(--display);text-transform:uppercase}

/* Portada */
.hero{position:relative;min-height:calc(100svh - 108px);display:flex;align-items:center;padding:90px 0;overflow:hidden}
.hero-photo{position:absolute;inset:0}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:30% center}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,20,23,.95) 0%,rgba(18,20,23,.75) 45%,rgba(18,20,23,.35) 100%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.3fr .7fr;gap:60px;align-items:end}
.hero h1{font-size:clamp(46px,5.6vw,84px);line-height:.98}
.lead{font-size:19px;color:#c8cfd5;max-width:52ch;margin:26px 0 36px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.spec{background:rgba(29,34,40,.88);backdrop-filter:blur(8px);border:1px solid var(--line);border-top:3px solid var(--spark)}
.spec-title{padding:16px 20px;font:600 14px var(--display);text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--line)}
.spec dl{display:grid;grid-template-columns:1fr 1fr;margin:0}
.spec dl div{padding:16px 20px;border-bottom:1px solid var(--line)}
.spec dl div:nth-child(odd){border-right:1px solid var(--line)}
.spec dt{font:500 12px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.spec dd{margin:4px 0 0;font:700 26px var(--display);color:var(--ink)}

/* Sectors */
.sectors{border-block:1px solid var(--line);background:var(--steel)}
.sectors .wrap{display:flex;align-items:center;gap:30px;padding:20px 0;overflow-x:auto}
.sectors span{font:500 12px var(--mono);color:var(--spark);text-transform:uppercase;white-space:nowrap}
.sectors ul{display:flex;gap:30px}
.sectors li{white-space:nowrap;font:600 15px var(--display);text-transform:uppercase;color:var(--muted)}

/* Capacitats */
.caps{padding:120px 0}
.sec-head{margin-bottom:50px}
.sec-head h2,.shop h2,.rfq h2{font-size:clamp(36px,4vw,58px);line-height:1;max-width:18ch}
.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cap{display:flex;flex-direction:column;background:var(--bg);padding-bottom:24px;transition:background-color .25s}
.cap:hover{background:var(--steel)}
.cap figure{position:relative;margin:0;overflow:hidden}
.cap img{width:100%;aspect-ratio:7/5;object-fit:cover;filter:grayscale(.4) contrast(1.05);transition:filter .4s,transform .6s}
.cap:hover img{filter:none;transform:scale(1.04)}
.cap-n{position:absolute;left:0;top:0;padding:6px 10px;background:var(--spark);color:#111;font:600 13px var(--mono)}
.cap h3{font-size:22px;padding:22px 22px 14px}
.cap dl{margin:0 22px 22px;flex:1}
.cap dl div{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.cap dt{color:var(--muted)}
.cap dd{margin:0;font-family:var(--mono);text-align:right}
.cap>a{margin:0 22px;display:inline-flex;align-items:center;gap:8px;color:var(--spark);font:600 14px var(--display);text-transform:uppercase;text-decoration:none;letter-spacing:.04em}

/* Taller */
.shop{padding:120px 0;background:var(--steel)}
.shop-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.shop-photo{margin:0;position:sticky;top:120px}
.shop-photo img{width:100%;aspect-ratio:11/12;object-fit:cover}
.shop-photo figcaption{margin-top:10px;font:500 12px var(--mono);color:var(--muted);text-transform:uppercase}
.shop .body-l{margin:22px 0 40px}
.flow{border-top:1px solid var(--line)}
.flow li{display:grid;grid-template-columns:70px 1fr;gap:2px 20px;padding:22px 0;border-bottom:1px solid var(--line)}
.flow span{grid-row:span 2;font:700 34px var(--display);color:var(--spark);line-height:1}
.flow h3{font-size:19px}
.flow p{color:var(--muted)}

/* Materials */
.mats{padding:120px 0}
.tbl{overflow-x:auto;border:1px solid var(--line)}
.tbl table{min-width:820px}
.tbl th,.tbl td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line)}
.tbl thead th{font:500 12px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--spark);background:var(--steel)}
.tbl tbody th{font:600 16px var(--display)}
.tbl td{font-family:var(--mono);font-size:14px;color:#c8cfd5}
.tbl tbody tr:hover{background:var(--steel)}
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.works figure{margin:0;position:relative;overflow:hidden}
.works img{width:100%;aspect-ratio:4/3;object-fit:cover}
.works figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 16px;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.works b{display:block;font:700 18px var(--display);text-transform:uppercase}
.works span{font:500 12px var(--mono);color:#c8cfd5}

/* Pressupost */
.rfq{padding:120px 0;background:linear-gradient(135deg,#1a1f24,#121417)}
.rfq-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.rfq .body-l{margin:22px 0 34px}
.rfq-info{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:0;background:var(--line);border:1px solid var(--line)}
.rfq-info div{padding:18px;background:var(--bg)}
.rfq-info dt{font:500 12px var(--mono);color:var(--spark);text-transform:uppercase;margin-bottom:6px}
.rfq-info dd{margin:0}
.rfq-form{padding:40px;background:var(--steel);border:1px solid var(--line);border-top:3px solid var(--spark)}
.rfq-form label{font-family:var(--mono);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.rfq-form .consent{font-family:var(--body);text-transform:none;letter-spacing:0;font-size:14px}
.rfq-form .btn-primary{background:var(--spark);color:#111}
.rfq-form .form-result{background:#2a1d14;color:#ffb48a}
.rfq-form .consent a{color:var(--spark)}

/* Peu */
.ft{padding:70px 0 30px;border-top:1px solid var(--line);color:var(--muted)}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.ft .logo{color:var(--ink)}
.ft-grid>div>p{margin-top:14px}
.ft h3{font:500 12px var(--mono);color:var(--spark);margin-bottom:10px}
.ft-grid nav a{display:block;text-decoration:none;line-height:1.9}
.ft a:hover{color:var(--ink)}
.ft-legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:22px;font-size:14px}
.ft-legal nav{display:flex;gap:20px}
.legal-main{padding-top:90px}
.legal-note{background:var(--steel)}

@media (max-width:1100px){
  .cap-grid{grid-template-columns:1fr 1fr}
  .hero-grid,.shop-grid,.rfq-grid{grid-template-columns:1fr}
  .spec{max-width:560px}
  .shop-photo{position:static}
}
@media (max-width:900px){
  .menu-toggle{display:inline-flex}
  #site-menu{position:absolute;inset:100% 0 auto;height:auto;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;visibility:hidden;transition:.25s}
  .menu-open #site-menu{transform:none;opacity:1;visibility:visible}
  #site-menu a{padding:18px 24px;border-left:0;border-top:1px solid var(--line);font-size:17px}
  .works{grid-template-columns:1fr 1fr}
  .works figure:last-child{display:none}
}
@media (max-width:640px){
  .status .wrap{gap:16px;font-size:11px}
  .hide-s{display:none}
  .hero{padding:60px 0}
  .caps,.shop,.mats,.rfq{padding:84px 0}
  .cap-grid{grid-template-columns:1fr}
  .spec dd{font-size:21px}
  .rfq-info{grid-template-columns:1fr}
  .rfq-form{padding:26px 18px}
  .works{grid-template-columns:1fr}
  .works figure:last-child{display:block}
  .ft-grid{grid-template-columns:1fr}
}