/* QUADRAQ — site stylesheet.
   Colours and typography follow the brand guidelines. */

:root{
  --graphite:#2C2C2A;
  --graphite-scuro:#1B1B1A;
  --amber:#BA7517;
  --amber-light:#EF9F27;
  --ivory:#F1EFE8;
  --paper:#FBFAF7;
  --rule:#D8D5CC;
  --grey:#6E6C66;

  --font-display:'Archivo',system-ui,sans-serif;
  --font-body:'IBM Plex Sans',system-ui,sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,monospace;

  --max:1120px;
  --gutter:clamp(20px,5vw,56px);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--graphite);
  font-family:var(--font-body);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}

.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--graphite);color:var(--ivory);padding:10px 14px;z-index:99}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

.container{max-width:var(--max);margin:0 auto;padding:clamp(64px,9vw,110px) var(--gutter)}
.container--narrow{max-width:720px}
.center{text-align:center}

/* ————— typography ————— */
h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-.012em;margin:0}
h1{font-size:clamp(32px,4.1vw,48px);line-height:1.1;max-width:15ch;text-wrap:balance}
h1 em{font-style:normal;color:var(--amber)}
h2{font-size:clamp(25px,3.2vw,38px);line-height:1.16;max-width:20ch}
.center h2{margin-inline:auto}
h3{font-size:18px;line-height:1.35;margin-bottom:8px}

.eyebrow{
  font-family:var(--font-mono);font-size:12px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--amber);
  margin:0 0 18px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);flex:none}
.center .eyebrow{justify-content:center}
.eyebrow--light{color:var(--amber-light)}
.eyebrow--light::before{background:var(--amber-light)}

.lead{font-size:clamp(17px,1.5vw,20px);color:#4A4844;max-width:56ch;margin:22px 0 0}
.lead--light{color:#C9C6BD}
.center .lead{margin-inline:auto}
.note{margin-top:36px;padding-left:18px;border-left:2px solid var(--amber);
  color:var(--grey);font-size:15.5px;max-width:62ch}

.btn{
  display:inline-block;font-family:var(--font-display);font-weight:500;font-size:15.5px;
  background:var(--graphite);color:var(--ivory);text-decoration:none;
  padding:14px 24px;border:1px solid var(--graphite);border-radius:5px;cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.btn:hover{background:var(--graphite-scuro);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--graphite)}
.btn--ghost:hover{background:rgba(44,44,42,.06);color:var(--graphite)}

/* ————— header ————— */
.header{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  gap:24px;padding:14px var(--gutter);background:rgba(251,250,247,.93);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);
}
.header__logo img{width:169px}
.header__nav{display:flex;align-items:center;gap:26px;font-size:15px}
.header__nav a{text-decoration:none;color:var(--graphite)}
.header__nav a:hover{color:var(--amber)}
.header__cta{
  font-family:var(--font-display);font-weight:500;border:1px solid var(--graphite);
  border-radius:5px;padding:8px 16px;
}
.header__cta:hover{background:var(--graphite);color:var(--ivory)}

/* ————— hero ————— */
.hero{
  max-width:var(--max);margin:0 auto;padding:clamp(48px,7vw,90px) var(--gutter) clamp(40px,6vw,72px);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);
  gap:clamp(32px,5vw,64px);align-items:center;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

.diagram{margin:0}
.diagram svg{width:100%;height:auto;overflow:visible}
.diagram figcaption{
  font-size:13.5px;line-height:1.5;color:var(--grey);margin-top:14px;max-width:46ch;
}

/* schema: stili di tratto */
.d-frame rect{fill:var(--ivory);stroke:var(--graphite);stroke-width:2.5}
.d-block rect{fill:var(--graphite);stroke:none}
.d-in{fill:var(--ivory);font-family:var(--font-mono);font-size:13px;font-weight:500;
  letter-spacing:.09em;text-anchor:middle}
.d-in--dim{fill:#9A978F;font-size:11.5px}
.d-node rect{fill:none;stroke:var(--graphite);stroke-width:1.6}
.d-nodelabel{fill:var(--graphite);font-family:var(--font-mono);font-size:11px;letter-spacing:.07em;text-anchor:middle}
.d-bus path{fill:none;stroke:var(--graphite);stroke-width:1.4}
.d-can0{stroke-dasharray:4 3}
.d-rail path{fill:none;stroke:var(--graphite);stroke-width:1.4}
.d-buslabel{fill:var(--grey);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em}
.d-conn rect,.d-conn circle{fill:var(--amber);stroke:none}
.d-drop path{stroke:var(--graphite);stroke-width:1.4;stroke-dasharray:3 3}
.d-code text{fill:var(--graphite);font-family:var(--font-mono);font-size:14px;font-weight:500;
  letter-spacing:.08em;text-anchor:middle}
.d-desc text{fill:var(--grey);font-family:var(--font-body);font-size:11px;text-anchor:middle}
.d-label{fill:var(--grey);font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase}

/* the diagram powers up on load */
@media (prefers-reduced-motion:no-preference){
  .d-frame rect,.d-node rect,.d-bus path,.d-rail path,.d-drop path{
    stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 1.1s ease forwards;
  }
  .d-can0{stroke-dasharray:4 3;animation:none}
  .d-bus path{animation-delay:.5s}
  .d-rail path{animation-delay:.6s}
  .d-drop path{animation-delay:.75s}
  .d-block rect,.d-conn rect,.d-conn circle,.d-code text,.d-desc text,.d-in,.d-nodelabel,.d-buslabel,.d-label{
    opacity:0;animation:fadein .5s ease forwards
  }
  .d-block rect,.d-in{animation-delay:.35s}
  .d-nodelabel,.d-buslabel,.d-label{animation-delay:.7s}
  .d-conn rect,.d-conn circle{animation-delay:.95s}
  .d-code text,.d-desc text{animation-delay:1.1s}
}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fadein{to{opacity:1}}

/* ————— section bands ————— */
.section--ivory{background:var(--ivory);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.section--dark{background:var(--graphite);color:var(--ivory);border-color:var(--graphite)}
.section--dark h2,.section--dark h3{color:var(--ivory)}

.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,44px);margin-top:52px}
.trio__item{border-top:2px solid var(--graphite);padding-top:18px}
.trio__item p{margin:0;color:#4A4844;font-size:16px}

/* ————— platform specs ————— */
.specs{list-style:none;margin:52px 0 0;padding:0;border-top:1px solid var(--rule)}
.specs li{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:clamp(20px,4vw,52px);
  padding:30px 0;border-bottom:1px solid var(--rule);
}
.specs__key{
  font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;color:var(--grey);margin:6px 0 0;
}
.specs p{margin:0;color:#4A4844;max-width:62ch}

/* ————— vertical cards ————— */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:52px}
.card{
  background:var(--graphite-scuro);border:1px solid #43423E;border-radius:6px;
  padding:24px 22px 20px;display:flex;flex-direction:column;
}
.card__icon{width:86px;height:86px;display:block;margin-bottom:12px;opacity:.95}

/* the fifth card is not a range: it runs the full width, laid out sideways */
.card--eng{
  grid-column:1/-1;background-image:none;background:#242423;
  border-color:rgba(186,117,23,.5);
  display:grid;grid-template-columns:120px minmax(0,1fr);gap:clamp(18px,3vw,36px);
  align-items:center;align-content:center;row-gap:6px;min-height:0;padding:26px 30px;
  grid-auto-rows:min-content;justify-content:stretch;
}
.card--eng::before{display:none}
.card--eng > *{grid-column:2}
.card--eng .card__icon{width:110px;height:110px;margin:0;grid-column:1;grid-row:1/-1;align-self:center}
.card--eng .card__tag{margin:0}
.card--eng h3{margin-top:10px;margin-bottom:4px}
.card--eng p:not(.card__tag):not(.card__status){max-width:70ch}
.card--eng .card__status{margin-top:14px;border-top:none;padding-top:0}
.card__tag{
  font-family:var(--font-mono);font-size:13px;font-weight:500;letter-spacing:.12em;
  color:var(--amber-light);margin:0 0 14px;
}
.card p:not(.card__tag):not(.card__status){color:#B9B6AE;font-size:15px;margin:0}
.card__status{
  margin:20px 0 0;padding-top:14px;border-top:1px solid #43423E;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#8A8780;
}
.card__status--on{color:var(--amber-light)}

/* ————— photo bands ————— */
.photoband{position:relative;margin:0;overflow:hidden;isolation:isolate}
.photoband img{
  display:block;width:100%;height:clamp(230px,34vw,420px);object-fit:cover;
}
/* the photo fades into the section above and the one below */
.photoband::after{
  content:"";position:absolute;inset:0;pointer-events:none;
}
.photoband--from-ivory::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(90deg, rgba(20,20,19,.86) 0%, rgba(20,20,19,.62) 30%,
    rgba(20,20,19,.12) 60%, rgba(20,20,19,0) 82%);
}
.photoband--from-ivory::after{
  background:linear-gradient(180deg,
    var(--ivory) 0%, rgba(241,239,232,.55) 14%, rgba(241,239,232,0) 38%,
    rgba(251,250,247,0) 58%, rgba(251,250,247,.72) 86%, var(--paper) 100%);
}
.photoband--from-dark::after{
  background:linear-gradient(180deg,
    var(--graphite) 0%, rgba(44,44,42,.72) 18%, rgba(44,44,42,.18) 44%,
    rgba(251,250,247,.15) 62%, rgba(251,250,247,.8) 88%, var(--paper) 100%);
}

.photoband__text{
  position:absolute;inset:0;z-index:1;display:flex;align-items:center;
  padding:0 var(--gutter);max-width:var(--max);margin:0 auto;left:0;right:0;
}
.photoband__text span{
  font-family:var(--font-display);font-weight:500;font-size:clamp(20px,2.5vw,31px);
  line-height:1.25;color:var(--ivory);max-width:19ch;
  text-shadow:0 2px 18px rgba(20,20,19,.75), 0 1px 3px rgba(20,20,19,.6);
}
.photoband__note{
  position:absolute;z-index:1;left:var(--gutter);bottom:clamp(26px,5vw,54px);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;
  color:rgba(241,239,232,.82);text-shadow:0 1px 10px rgba(20,20,19,.8);
}

/* ————— vertical cards with photo ————— */
.card{
  position:relative;min-height:300px;justify-content:flex-end;
  background-size:cover;background-position:center;overflow:hidden;
}
.card > *{position:relative;z-index:1}
.card::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg, rgba(27,27,26,.72) 0%, rgba(27,27,26,.62) 22%,
    rgba(27,27,26,.9) 58%, rgba(27,27,26,.97) 82%, #1B1B1A 100%);
}
.card--vac{background-image:url('../assets/photos/bg-vac.webp')}
.card--comp{background-image:url('../assets/photos/bg-comp.webp')}
.card--drill{background-image:url('../assets/photos/bg-drill.webp')}
.card--crush{background-image:url('../assets/photos/bg-crush.webp')}
.card__icon{width:86px;height:86px;display:block;margin-bottom:12px;opacity:.95}

/* the fifth card is not a range: it runs the full width, laid out sideways */
.card--eng::before{display:none}
.card--eng > *{grid-column:2}
.card--eng .card__icon{width:110px;height:110px;margin:0;grid-column:1;grid-row:1/-1;align-self:center}
.card--eng .card__tag{margin:0}
.card--eng h3{margin-top:10px;margin-bottom:4px}
.card--eng p:not(.card__tag):not(.card__status){max-width:70ch}
.card--eng .card__status{margin-top:14px;border-top:none;padding-top:0}
.card__tag{margin-bottom:auto}
.card h3{margin-top:22px}

/* ————— configurator entry points ————— */
.apps{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,40px);margin-top:48px}
.app{
  background:var(--paper);border:1px solid var(--rule);border-radius:7px;
  padding:28px 28px 30px;display:flex;flex-direction:column;align-items:flex-start;
}
.app__name{
  font-family:var(--font-mono);font-size:13px;font-weight:500;letter-spacing:.12em;
  color:var(--amber);margin:0 0 12px;
}
.app h3{font-size:20px;margin-bottom:10px}
.app p:not(.app__name){color:#4A4844;font-size:16px;margin:0 0 22px}
.app .btn{margin-top:auto}

/* ————— two columns ————— */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);margin-top:52px}
.plan{border-top:2px solid var(--graphite);padding-top:20px}
.plan__tag{
  font-family:var(--font-mono);font-size:22px;font-weight:500;letter-spacing:.1em;
  color:var(--amber);margin:0 0 10px;
}
.plan p{color:#4A4844;font-size:16px}
.plan ul{margin:18px 0 0;padding:0;list-style:none}
.plan li{padding:9px 0 9px 20px;border-top:1px solid var(--rule);font-size:15.5px;position:relative}
.plan li::before{content:"";position:absolute;left:0;top:17px;width:8px;height:8px;
  border:1.5px solid var(--amber);border-radius:2px}

/* ————— team backdrop behind contact ————— */
.has-backdrop{position:relative;isolation:isolate}
.has-backdrop::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:url('../assets/photos/bg-team-office.webp');
  background-size:cover;background-position:center right;opacity:.5;
  -webkit-mask-image:radial-gradient(135% 118% at 108% 92%, #000 0%, rgba(0,0,0,.72) 34%, rgba(0,0,0,.25) 58%, transparent 78%);
  mask-image:radial-gradient(135% 118% at 108% 92%, #000 0%, rgba(0,0,0,.72) 34%, rgba(0,0,0,.25) 58%, transparent 78%);
}

/* ————— form ————— */
.duo--form{grid-template-columns:1.35fr .8fr;align-items:start}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1/-1}
.form label{font-size:14px;color:var(--grey)}
.form input,.form select,.form textarea{
  font-family:var(--font-body);font-size:16px;color:var(--graphite);
  background:#fff;border:1px solid var(--rule);border-radius:5px;padding:11px 13px;width:100%;
}
.form textarea{resize:vertical}
.field--check{flex-direction:row;align-items:flex-start;gap:10px}
.field--check input{width:18px;height:18px;margin-top:3px;flex:none}
.field--check label{font-size:14px}
.form .btn{grid-column:1/-1;justify-self:start}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

.contactbox{background:var(--ivory);border:1px solid var(--rule);border-radius:6px;padding:26px 24px}
.contactbox p{margin:0 0 16px;font-size:16px}
.contactbox__key{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--grey);margin-bottom:4px!important}
.contactbox__note{font-size:14px;color:var(--grey);border-top:1px solid var(--rule);
  padding-top:16px;margin-bottom:0}

/* ————— footer ————— */
.footer{position:relative;overflow:hidden;color:var(--ivory);
  background:linear-gradient(180deg, rgba(44,44,42,.66) 0%, rgba(44,44,42,.8) 55%, rgba(44,44,42,.93) 100%),
    url('../assets/photos/bg-team-group.webp') center 42%/cover no-repeat, var(--graphite);}
.footer__inner{padding-top:56px;padding-bottom:56px}
.footer__tagline{margin:20px 0 0;color:#B9B6AE;font-size:16px;max-width:44ch}
.footer__small{margin:28px 0 0;color:#8A8780;font-size:14px}
.footer a{color:#B9B6AE}

/* ————— scroll reveal ————— */
.revealeal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.revealeal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.revealeal{opacity:1;transform:none;transition:none}}

/* ————— responsive ————— */
@media (max-width:940px){
  .hero{grid-template-columns:1fr}
  .duo--form{grid-template-columns:1fr}
}
@media (max-width:760px){
  .apps{grid-template-columns:1fr}
  .header__nav a:not(.header__cta):not(.langs__item){display:none}
  .trio{grid-template-columns:1fr;gap:26px}
  .specs li{grid-template-columns:1fr;gap:10px}
  .specs__key{margin-top:0}
  .duo{grid-template-columns:1fr}
}
@media (max-width:940px){
  .cards{grid-template-columns:1fr 1fr}
  .card--eng{grid-template-columns:88px minmax(0,1fr)}
  .card--eng .card__icon{width:80px;height:80px}
}
@media (max-width:620px){
  body{font-size:16px}
  .cards{grid-template-columns:1fr}
  .card--eng{grid-template-columns:1fr}
  .card--eng .card__icon{grid-row:auto;margin-bottom:10px}
  .form{grid-template-columns:1fr}
  .d-min{display:none}
  .diagram figcaption{max-width:none}
}

/* ————— language switcher ————— */
.langs{display:flex;align-items:center;gap:2px;margin-left:4px}
.langs__item{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  text-decoration:none;color:var(--grey);padding:5px 7px;border-radius:4px;
}
.langs__item:hover{color:var(--graphite);background:rgba(44,44,42,.07)}
.langs__item.is-current{color:var(--graphite);background:rgba(186,117,23,.14)}

/* ————— privacy page ————— */
.doc h3{margin-top:34px}
.doc p{color:#4A4844;max-width:68ch}
.todo{
  background:#FBEFDA;border-left:2px solid var(--amber);padding:12px 16px;
  font-size:15px;color:#6B4A12;margin:10px 0 0;max-width:68ch;
}
@media (max-width:900px){
  .header__nav a:not(.header__cta):not(.langs__item){display:none}
  .langs{margin-left:0}
}
@media (max-width:520px){
  .langs__item{padding:5px 4px;font-size:11px}
  .header{gap:10px;padding-inline:16px}
  .header__logo img{width:132px}
}

/* ————— account pages ————— */
.account-page{padding-top:clamp(48px,7vw,86px)}
.form--stack{grid-template-columns:1fr;max-width:32rem}
.hint{font-size:13px;color:var(--grey)}
.msg{padding:12px 16px;border-radius:5px;font-size:15.5px;margin:22px 0 0;max-width:44rem}
.msg--ok{background:#E7F0E4;border-left:2px solid #4E7A45;color:#2C4127}
.msg--wait{background:#FBEFDA;border-left:2px solid var(--amber);color:#6B4A12}
.msg--bad{background:#F6E1E1;border-left:2px solid #A33B3B;color:#5F2020}
.table{width:100%;border-collapse:collapse;margin-top:18px;font-size:15px}
.table th{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--grey);text-align:left;padding:8px 12px 8px 0;border-bottom:1px solid var(--rule)}
.table td{padding:11px 12px 11px 0;border-bottom:1px solid var(--rule)}
.linkbtn{background:none;border:none;padding:0;font:inherit;font-size:14px;
  color:var(--grey);text-decoration:underline;cursor:pointer}
.linkbtn:hover{color:var(--graphite)}
.linkbtn--danger:hover{color:#A33B3B}
.account-actions{display:flex;align-items:center;gap:24px;margin-top:40px;flex-wrap:wrap}