/* Nòlema S.r.l. — foglio di stile del sito (immagine coordinata v1.1) */

@font-face{font-family:"Source Serif 4";src:url("../fonts/source-serif-4-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url("../fonts/source-serif-4-latin-400-italic.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url("../fonts/source-serif-4-latin-600-normal.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../fonts/source-sans-3-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../fonts/source-sans-3-latin-600-normal.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("../fonts/source-sans-3-latin-700-normal.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}

:root{
  --petrolio:#0E4D5C;
  --petrolio-scuro:#0A3A46;
  --ocra:#C4902F;
  --ocra-scuro:#8A6116;
  --inchiostro:#17232B;
  --grigio:#5B6970;
  --filetto:#D3DCDE;
  --carta:#F2F5F5;
  --su-petrolio:#C9DDE1;
  --mattone:#A0412D;
  --indaco:#354A86;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:"Source Sans 3",Calibri,"Segoe UI",Arial,sans-serif;
  --max:1120px;
  --gutter:clamp(16px,4vw,40px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--inchiostro);font-family:var(--sans);font-size:18px;line-height:1.55}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--petrolio);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--petrolio-scuro);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--ocra);outline-offset:2px}
h1,h2,h3{font-family:var(--serif);font-weight:600;color:var(--petrolio);line-height:1.2;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2rem,4.2vw,3rem)}
h2{font-size:clamp(1.5rem,2.8vw,2.05rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{margin-bottom:.35em}
strong{font-weight:600}

.salta{position:absolute;left:-9999px;top:0;background:var(--petrolio);color:#fff;padding:10px 16px;z-index:10}
.salta:focus{left:16px;top:16px}

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

/* Occhiello */
.occhiello{font-family:var(--sans);font-weight:600;font-size:.82rem;letter-spacing:.15em;text-transform:uppercase;color:var(--ocra-scuro);margin:0 0 .8em;display:block}
.su-scuro .occhiello{color:var(--ocra)}

/* Testata */
.testata{border-bottom:1px solid var(--petrolio);background:#fff;position:sticky;top:0;z-index:5}
.testata .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px}
.testata .marchio img{width:170px}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px 22px;flex-wrap:wrap}
.nav li{margin:0}
.nav a{font-weight:600;font-size:.95rem;color:var(--inchiostro);text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--petrolio);border-bottom-color:var(--filetto)}
.nav a[aria-current="page"]{color:var(--petrolio);border-bottom-color:var(--ocra)}
.menu-btn{display:none;background:none;border:1px solid var(--petrolio);color:var(--petrolio);font:600 .95rem var(--sans);padding:8px 14px;cursor:pointer}

@media (max-width:940px){
  .testata .wrap{flex-wrap:wrap;min-height:72px}
  .testata .marchio img{width:140px}
  .menu-btn{display:block}
  .nav{display:none;width:100%;padding-bottom:12px}
  .nav.aperto{display:block}
  .nav ul{flex-direction:column;gap:0}
  .nav a{display:block;padding:12px 0;border-bottom:1px solid var(--filetto)}
  .nav a[aria-current="page"]{border-bottom-color:var(--filetto);color:var(--petrolio)}
}

/* Sezioni */
.sezione{padding:clamp(48px,7vw,88px) 0}
.sezione.carta{background:var(--carta)}
.sezione.petrolio{background:var(--petrolio);color:#fff;position:relative;overflow:hidden}
.sezione.petrolio h2,.sezione.petrolio h3{color:#fff}
.sezione.petrolio p{color:var(--su-petrolio)}
.sezione.petrolio a{color:#fff}
.titolo-sez{max-width:760px;margin-bottom:36px}
.titolo-sez h2{padding-bottom:.45em;border-bottom:1px solid var(--filetto)}
.sezione.petrolio .titolo-sez h2{border-bottom-color:rgba(255,255,255,.28)}
.lead{font-size:1.2rem;color:var(--grigio);max-width:720px}

/* Apertura (hero) */
.apertura{position:relative;overflow:hidden;padding:clamp(56px,9vw,120px) 0 clamp(48px,7vw,96px);border-bottom:1px solid var(--filetto)}
.apertura .wrap{position:relative;z-index:1}
.apertura h1{max-width:820px}
.apertura .lead{font-size:clamp(1.1rem,1.8vw,1.3rem);margin-bottom:1.6em}
.spirale{position:absolute;pointer-events:none;opacity:.1;z-index:0}
.apertura .spirale{width:min(560px,70vw);right:-140px;top:-80px}
.sezione.petrolio .spirale{width:340px;right:-190px;bottom:-210px;opacity:1}
@media (max-width:1300px){.sezione.petrolio .spirale{display:none}}
.apertura-pagina{padding:clamp(44px,6vw,76px) 0 clamp(32px,4vw,52px);background:var(--carta);border-bottom:1px solid var(--filetto);position:relative;overflow:hidden}
.apertura-pagina .spirale{width:380px;right:-110px;top:-90px}
.apertura-pagina .wrap{position:relative;z-index:1}
.apertura-pagina h1{max-width:820px}

/* Pulsanti */
.azioni{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;font:600 1rem var(--sans);text-decoration:none;padding:13px 22px;border:1.5px solid var(--petrolio);background:var(--petrolio);color:#fff}
.btn:hover{background:var(--petrolio-scuro);border-color:var(--petrolio-scuro);color:#fff;text-decoration:none}
.btn.sec{background:#fff;color:var(--petrolio)}
.btn.sec:hover{background:var(--carta);color:var(--petrolio-scuro)}
.sezione.petrolio .btn{background:#fff;color:var(--petrolio);border-color:#fff}
.sezione.petrolio .btn:hover{background:var(--carta)}
.sezione.petrolio .btn.sec{background:transparent;color:#fff}
.sezione.petrolio .btn.sec:hover{background:rgba(255,255,255,.1)}

/* Etichette decreti */
.etichette{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.etichette li{margin:0;font-size:.9rem;font-weight:600;padding:6px 12px;border:1px solid var(--filetto);background:#fff;color:var(--petrolio)}

/* Griglie */
.griglia{display:grid;gap:24px}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}

.scheda{background:#fff;border:1px solid var(--filetto);padding:28px 26px;display:flex;flex-direction:column}
.carta .scheda{border-color:var(--filetto)}
.scheda h3{margin-bottom:.4em}
.scheda p:last-child,.scheda ul:last-child{margin-bottom:0}
.scheda .piede{margin-top:auto;padding-top:14px}
.scheda.linea{border-top:4px solid var(--petrolio)}
.scheda.linea.prof{border-top-color:var(--mattone)}
.scheda.linea.prof .occhiello{color:var(--mattone)}
.scheda.linea.prof h3{color:var(--mattone)}
.scheda.linea.az{border-top-color:var(--indaco)}
.scheda.linea.az .occhiello{color:var(--indaco)}
.scheda.linea.az h3{color:var(--indaco)}
.scheda.linea .occhiello{color:var(--petrolio)}

.elenco-filetto{list-style:none;padding:0;margin:0}
.elenco-filetto li{padding:10px 0;border-bottom:1px solid var(--filetto);margin:0}
.elenco-filetto li:first-child{border-top:1px solid var(--filetto)}

/* Punti di forza */
.punto{border-top:1px solid var(--petrolio);padding-top:18px}
.punto .num{font-family:var(--serif);font-size:1rem;color:var(--ocra-scuro);font-weight:600;display:block;margin-bottom:6px}
.punto h3{font-size:1.15rem}
.punto p{color:var(--grigio);margin:0}

/* Passi */
.passi{list-style:none;padding:0;margin:0;counter-reset:passo;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}
.passi li{counter-increment:passo;margin:0;padding:20px 0 0;border-top:2px solid var(--su-petrolio)}
.passi li::before{content:counter(passo);display:block;font-family:var(--serif);font-size:2rem;font-weight:600;color:var(--ocra);line-height:1;margin-bottom:10px}
.passi strong{display:block;color:#fff;font-size:1.05rem;margin-bottom:4px}
.passi span{color:var(--su-petrolio)}

/* Tabelle catalogo */
.tab-wrap{overflow-x:auto;margin:0 0 28px;border:1px solid var(--filetto)}
table{border-collapse:collapse;width:100%;font-size:.95rem;background:#fff}
caption{text-align:left;font-family:var(--serif);font-weight:600;font-size:1.15rem;color:var(--petrolio);padding:16px 16px 10px;caption-side:top}
caption small{display:block;font-family:var(--sans);font-weight:400;font-size:.9rem;color:var(--grigio);margin-top:2px}
th{background:var(--petrolio);color:#fff;text-align:left;font-weight:600;padding:10px 14px;white-space:nowrap}
td{padding:10px 14px;border-top:1px solid var(--filetto);vertical-align:top}
td.cod{font-family:var(--sans);font-weight:600;color:var(--petrolio);white-space:nowrap}
td.ore{white-space:nowrap}
td small{display:block;color:var(--grigio)}
tbody tr:nth-child(even) td{background:#FAFBFB}

/* Formati S M L XL */
.formati{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:0;border:1px solid var(--filetto);background:#fff}
.formato{padding:20px;border-right:1px solid var(--filetto)}
.formato:last-child{border-right:0}
.formato .sigla{font-family:var(--serif);font-size:2rem;font-weight:600;color:var(--petrolio);line-height:1}
.formato .nome{font-weight:600;margin:6px 0 8px}
.formato dl{margin:0;font-size:.95rem}
.formato dt{color:var(--grigio);float:left;clear:left;width:80px}
.formato dd{margin:0 0 2px 80px;font-weight:600}

/* Indice pagina */
.indice{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;padding:0;margin:24px 0 0}
.indice li{margin:0}
.indice a{font-weight:600;text-decoration:none;border-bottom:1px solid var(--filetto)}
.indice a:hover{border-bottom-color:var(--petrolio)}

/* Nota / riquadro */
.riquadro{background:var(--carta);border:1px solid var(--filetto);padding:22px 24px;margin:0 0 28px}
.riquadro p:last-child{margin:0}
.nota{font-size:.92rem;color:var(--grigio)}

/* Download catalogo */
.download{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--filetto);padding:28px}
.download .copertina{width:120px;aspect-ratio:210/297;background:var(--petrolio);display:flex;flex-direction:column;justify-content:space-between;padding:12px;color:#fff;font-family:var(--serif);font-size:.82rem;line-height:1.2}
.download .copertina span{font-family:var(--sans);font-size:.55rem;letter-spacing:.15em;color:var(--ocra);font-weight:700}
.download .copertina i{display:block;width:36px;height:2px;background:var(--ocra)}
.download h3{margin-bottom:.3em}
.download p{color:var(--grigio)}
@media (max-width:560px){.download{grid-template-columns:1fr}.download .copertina{width:96px}}

/* Contatti */
.contatto dt{font-weight:600;font-size:.82rem;letter-spacing:.15em;text-transform:uppercase;color:var(--ocra-scuro);margin-top:18px}
.contatto dt:first-child{margin-top:0}
.contatto dd{margin:4px 0 0;font-size:1.1rem}

/* Testi lunghi (privacy) */
.testo{max-width:780px}
.testo h2{font-size:1.4rem;margin-top:1.6em}
.testo h2:first-child{margin-top:0}

/* Piè di pagina */
.piede-sito{background:var(--inchiostro);color:#C7D0D3;font-size:.95rem;padding:56px 0 28px;position:relative;overflow:hidden}
.piede-sito a{color:#fff}
.piede-sito .cols{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));padding-bottom:32px}
.piede-sito h2{font-family:var(--sans);font-size:.8rem;letter-spacing:.15em;text-transform:uppercase;color:var(--ocra);font-weight:600;margin:0 0 12px}
.piede-sito ul{list-style:none;padding:0;margin:0}
.piede-sito li{margin:0 0 6px}
.piede-sito .logo-neg{width:170px;margin-bottom:14px}
.legale{border-top:1px solid #3B4A52;padding-top:18px;font-size:.82rem;color:#A9B5BA;line-height:1.6}
.legale strong{color:#fff;font-weight:600}
.legale p{margin:0}

@media (max-width:640px){
  body{font-size:17px}
  .scheda{padding:22px 18px}
  th,td{padding:8px 10px}
}

@media print{
  .testata,.menu-btn,.piede-sito .cols,.spirale{display:none}
  .sezione.petrolio{background:#fff;color:var(--inchiostro)}
}
[id]{scroll-margin-top:96px}