/* =====================================================================
   SAP Sistemi — Facciate ventilate e continue
   Design system v5 — "Monografia": immersivo, editoriale, materico
   Foto a tutto schermo · sans espressivo (Archivo) · numeri giganti ·
   capolettera · righe-vetrina · marquee · avorio/espresso/bordeaux
   ===================================================================== */

:root{
  --paper:#FFFFFF;        /* avorio caldo */
  --paper-2:#E9F1F9;
  --card:#FFFFFF;
  --white:#FFFFFF;
  --espresso:#0F2A4D;     /* bruno-nero caldo (superficie ricca) */
  --espresso-2:#183A63;
  --espresso-3:#284d78;
  --ink:#16293D;          /* testo su avorio */
  --ink-soft:#3D5164;
  --paper-text:#EAF2FB;   /* testo su espresso */
  --paper-mut:#A6BFDA;
  --wine:#1478D4;         /* bordeaux — accento ricco */
  --wine-2:#1E90FF;
  --camel:#8FC4EA;        /* ottone caldo tenue — solo dettagli/fregi */
  --line:#CEDCEA;
  --line-d:rgba(239,229,210,.16);

  --serif:"Archivo",system-ui,-apple-system,sans-serif;
  --sans:"IBM Plex Sans",system-ui,-apple-system,sans-serif;

  --container:1280px;
  --gutter:clamp(1.2rem,4vw,3.4rem);
  --nav-h:88px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--sans);font-size:1.075rem;line-height:1.68;color:var(--ink-soft);
  background:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);margin:0 0 .5em;line-height:1.03;font-weight:400;letter-spacing:-.012em}
a{color:var(--wine);text-decoration:none;transition:color .18s}
a:hover{color:var(--wine-2)}
p{margin:0 0 1.2rem}
strong{color:var(--ink);font-weight:600}
em{font-style:italic}
img{max-width:100%;display:block}
::selection{background:var(--wine);color:var(--paper)}
.container{max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter);width:100%}
.container-wide{max-width:1560px;margin-inline:auto;padding-inline:var(--gutter);width:100%}

/* label / occhiello editoriale */
.eyebrow{font-family:var(--sans);font-size:.74rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--wine);display:inline-block;margin:0 0 1.1rem}
.eyebrow::before{content:none}
.eyebrow.on-dark{color:var(--camel)}.eyebrow.on-dark::before{background:var(--camel)}
.lead{font-family:var(--serif);font-size:clamp(1.15rem,1.7vw,1.4rem);line-height:1.42;
  color:var(--ink);font-weight:400;letter-spacing:-.01em}
.dark .lead{color:var(--paper-text)}
.mono{font-family:var(--sans);letter-spacing:.02em}

.section{padding-block:clamp(4rem,8vw,7.5rem)}
.section--tight{padding-block:clamp(2.4rem,5vw,4rem)}
.section-head{max-width:60ch;margin-bottom:clamp(2.2rem,4vw,3.4rem)}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.9rem)}
h2{font-size:clamp(1.7rem,2.8vw,2.4rem)}

.dark{background:var(--espresso);color:var(--paper-text)}
.dark h1,.dark h2,.dark h3,.dark h4{color:var(--white)}
.dark p{color:var(--paper-mut)}
.dark a{color:var(--camel)}

/* numerale gigante (indice editoriale) */
.numeral{font-family:var(--serif);font-weight:600;
  font-size:clamp(2.2rem,3.6vw,3.2rem);line-height:.85;color:var(--wine);letter-spacing:-.03em}
.dark .numeral{color:var(--camel)}

/* capolettera */
.dropcap::first-letter{font-family:var(--serif);font-weight:400;float:left;font-size:5.2rem;line-height:.72;
  padding:.35rem .55rem 0 0;color:var(--wine)}

/* ---------------------------------------------------------------- header */
.topbar{background:var(--espresso);color:var(--paper-mut);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}
.topbar .container{display:flex;justify-content:space-between;gap:1rem;padding-block:.55rem;align-items:center}
.topbar a{color:var(--paper-text)}.topbar a:hover{color:var(--camel)}
.topbar .tb-links{display:flex;gap:1.5rem}
@media (max-width:768px){.topbar .tb-loc{display:none}}

.site-header{position:sticky;top:0;z-index:1030;background:#FFFFFF;
  backdrop-filter:saturate(130%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.is-stuck{box-shadow:0 12px 30px -24px rgba(8,22,42,.6)}
.nav{display:flex;align-items:center;gap:1.4rem;height:var(--nav-h);flex-wrap:nowrap;min-width:0}
.site-header .container{padding-block:2px}
.brand{display:flex;align-items:center;gap:.8rem;margin-right:auto}
.brand .mark{width:40px;height:40px;flex:0 0 auto;background:var(--espresso);border-radius:50%;
  display:grid;place-items:center;color:var(--paper);font-family:var(--serif);font-weight:500;font-size:1.15rem;position:relative}
.brand .mark::after{content:"";position:absolute;inset:3px;border:1px solid var(--camel);border-radius:50%;opacity:.6}
.brand b{font-family:var(--serif);font-weight:500;color:var(--ink);font-size:1.42rem;letter-spacing:-.01em;line-height:1}
.brand b span{font-style:italic;font-weight:400}
.brand small{display:block;font-family:var(--sans);font-size:.58rem;letter-spacing:.2em;color:var(--wine);margin-top:2px;text-transform:uppercase;font-weight:600}

.nav-menu{display:flex;align-items:center;gap:.15rem;list-style:none;margin:0;padding:0}
.nav-menu > li{position:relative}
.nav-menu > li > a{display:inline-flex;align-items:center;gap:.4rem;white-space:nowrap;padding:.55rem .7rem;font-family:var(--sans);
  font-size:.82rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
.nav-menu > li > a:hover,.nav-menu > li.active > a{color:var(--wine)}
.nav-menu > li.active > a{text-decoration:underline;text-decoration-color:var(--camel);text-underline-offset:6px}
.nav-menu > li > a .caret{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin-top:-2px;opacity:.6}
.nav-menu > li.open > a .caret{transform:rotate(225deg);margin-top:2px}

.dropdown-panel{position:absolute;top:calc(100% + 6px);left:0;min-width:280px;background:var(--white);
  border:1px solid var(--line);box-shadow:0 30px 60px -34px rgba(8,22,42,.5);padding:.5rem;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s;z-index:40}
.dropdown-panel.wide{min-width:540px;columns:2;column-gap:.5rem}
.nav-menu > li:hover .dropdown-panel,.nav-menu > li.open .dropdown-panel{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-panel a{display:block;padding:.55rem .7rem;font-family:var(--sans);font-size:.86rem;color:var(--ink);break-inside:avoid}
.dropdown-panel a:hover{background:var(--paper-2);color:var(--wine)}
.dropdown-panel .dp-head{font-family:var(--sans);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--wine);padding:.5rem .7rem .3rem;font-weight:600}

.nav-cta{display:inline-flex;align-items:center;gap:.5rem;background:var(--wine);color:var(--paper);
  padding:.6rem 1.15rem;font-family:var(--sans);font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;border-radius:2px}
.nav-cta:hover{background:var(--wine-2);color:var(--white)}
.nav-toggle{display:none;background:none;border:1px solid var(--ink);border-radius:2px;width:44px;height:40px;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:0}
.nav-toggle span{width:19px;height:2px;background:var(--ink)}
@media (max-width:1079px){.nav-menu{display:none}.nav-cta{display:none}.nav-toggle{display:flex}}
@media (min-width:1080px){.nav-toggle{display:none}.mnav{display:none}}

.mnav{position:fixed;inset:0;z-index:1040;pointer-events:none}
.mnav__scrim{position:absolute;inset:0;background:rgba(8,22,42,.5);opacity:0;transition:.3s}
.mnav__panel{position:absolute;top:0;right:0;height:100%;width:min(92vw,382px);background:var(--paper);
  border-left:1px solid var(--line);transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);overflow-y:auto;padding:1.2rem}
.mnav.open{pointer-events:auto}.mnav.open .mnav__scrim{opacity:1}.mnav.open .mnav__panel{transform:translateX(0)}
.mnav__close{margin-left:auto;display:block;background:none;border:0;font-size:1.8rem;line-height:1;color:var(--ink);cursor:pointer;padding:.2rem .5rem}
.macc{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.macc > li{border-bottom:1px solid var(--line)}
.macc > li > a,.macc__btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.95rem .2rem;
  font-family:var(--serif);font-size:1.15rem;color:var(--ink);background:none;border:0;cursor:pointer;text-align:left}
.macc__btn .pm{position:relative;width:14px;height:14px;flex:0 0 auto}
.macc__btn .pm::before,.macc__btn .pm::after{content:"";position:absolute;background:var(--wine);top:50%;left:50%;transform:translate(-50%,-50%)}
.macc__btn .pm::before{width:14px;height:2px}.macc__btn .pm::after{width:2px;height:14px;transition:transform .2s}
.macc > li.open .macc__btn .pm::after{transform:translate(-50%,-50%) scaleY(0)}
.macc__sub{list-style:none;margin:0;padding:0 0 .7rem;display:none}
.macc__sub a{display:block;padding:.45rem .2rem .45rem 1rem;font-family:var(--sans);font-size:.94rem;color:var(--ink-soft)}
.macc__sub a:hover{color:var(--wine)}

/* ---------------------------------------------------------------- buttons */
.btn-x{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--sans);font-weight:600;font-size:.82rem;
  letter-spacing:.06em;text-transform:uppercase;padding:.95rem 1.7rem;border:1px solid var(--ink);cursor:pointer;transition:.18s;background:none;color:var(--ink);border-radius:2px}
.btn-x .arw{transition:transform .18s}.btn-x:hover .arw{transform:translateX(4px)}
.btn-primary-x{background:var(--wine);color:var(--paper);border-color:var(--wine)}
.btn-primary-x:hover{background:var(--wine-2);border-color:var(--wine-2);color:var(--white)}
.btn-ink-x{background:var(--espresso);color:var(--paper);border-color:var(--espresso)}
.btn-ink-x:hover{background:var(--wine);border-color:var(--wine);color:var(--white)}
.btn-ghost-x{background:none;color:var(--ink);border-color:var(--ink)}
.btn-ghost-x:hover{background:var(--ink);color:var(--paper)}
.btn-light-x{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn-light-x:hover{background:var(--wine);border-color:var(--wine);color:var(--white)}
.dark .btn-ghost-x{color:var(--white);border-color:var(--paper-mut)}
.dark .btn-ghost-x:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ---------------------------------------------------------------- plates (immagini) */
.ph{position:relative;width:100%;background:var(--paper-2);overflow:hidden}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.ph::after{content:attr(data-label);position:absolute;left:0;bottom:0;font-family:var(--sans);font-size:.66rem;
  letter-spacing:.08em;color:var(--paper-text);text-transform:uppercase;line-height:1.3;
  background:linear-gradient(90deg,rgba(8,22,42,.82),rgba(8,22,42,.5));padding:.42rem .7rem .42rem .7rem;max-width:88%}
.ph .tag{display:none}
.ph .ribbon{position:absolute;top:.7rem;right:.7rem;z-index:3;font-family:var(--sans);font-size:.56rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--white);background:var(--wine);padding:.28rem .55rem;border-radius:2px}
.ph .ico{position:absolute;top:calc(50% - .7rem);left:50%;transform:translate(-50%,-50%);width:40px;height:40px;opacity:.4}
.ph .ico rect,.ph .ico line{stroke:var(--ink);stroke-width:1.2;fill:none}
.ph--stone{background:#D8CFBB}.ph--metal{background:#CBCEC9}.ph--glass{background:#CBD5D8}
.ph--copper{background:#D3B8A0}.ph--wood{background:#C9B48C}.ph--green{background:#BEC7AE}
.ph--facade{background:#C3CBD2}.ph--solar{background:#C2CAC8}.ph--led{background:#C7C6CE}
.ratio-16-9{aspect-ratio:16/9}.ratio-4-3{aspect-ratio:4/3}.ratio-3-2{aspect-ratio:3/2}
.ratio-1-1{aspect-ratio:1/1}.ratio-3-4{aspect-ratio:3/4}.ratio-21-9{aspect-ratio:21/9}.ratio-5-7{aspect-ratio:5/7}
.ph--map .osm{position:absolute;inset:0;width:100%;height:100%;border:0;filter:grayscale(.25) sepia(.12)}

/* ---------------------------------------------------------------- HERO immersivo full-bleed */
.hero{position:relative;min-height:min(92vh,880px);display:flex;align-items:flex-end;overflow:hidden;background:var(--espresso)}
.hero__img{position:absolute;inset:0;z-index:0}
.hero__img img{width:100%;height:100%;object-fit:cover;display:block}
.hero__scrim{position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(8,22,42,.50) 0%,rgba(8,22,42,.24) 28%,rgba(8,22,42,.58) 60%,rgba(8,22,42,.93) 100%),linear-gradient(90deg,rgba(8,22,42,.55) 0%,rgba(8,22,42,.10) 48%,rgba(8,22,42,0) 70%)}
.hero__inner{position:relative;z-index:2;width:100%;padding-block:clamp(2.4rem,5vw,4rem)}
.hero__meta{position:absolute;top:clamp(1.4rem,3vw,2.2rem);left:0;right:0;z-index:2}
.hero__meta .container{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-family:var(--sans);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--paper-text)}
.hero__meta b{color:var(--camel);font-weight:600}
.hero__eyebrow{font-family:var(--sans);font-size:.78rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--camel);display:flex;align-items:center;gap:.7rem;margin-bottom:1.3rem}
.hero__eyebrow::before{content:none}
.hero__title{font-family:var(--serif);font-weight:700;color:var(--white);
  font-size:clamp(2.4rem,5.4vw,4.6rem);line-height:.98;letter-spacing:-.025em;margin:0;max-width:16ch;text-wrap:balance}
.hero__title em{font-style:italic;color:var(--camel)}
.hero__sub{max-width:54ch;margin-top:1.4rem;font-family:var(--serif);font-size:clamp(1.05rem,1.3vw,1.25rem);
  line-height:1.46;color:var(--paper-text)}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
.hero__actions .btn-light-x{border-color:var(--paper)}
.hero__actions .btn-ghost-x{color:#fff;border-color:rgba(255,255,255,.6)}
.hero__actions .btn-ghost-x:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.hero__caption{position:absolute;right:clamp(1.2rem,4vw,3.4rem);bottom:clamp(1.2rem,3vw,2rem);z-index:2;
  font-family:var(--sans);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--paper-mut);
  writing-mode:vertical-rl;text-orientation:mixed}
@media (max-width:640px){.hero__caption{display:none}}
/* legacy hero children neutralised */
.hero__grid-bg,.hero__panel,.hero__stats,.hero__code{display:none}

/* ---------------------------------------------------------------- marquee materiali */
.marquee{background:var(--espresso);border-block:1px solid var(--espresso-3);overflow:hidden;padding-block:1.05rem}
.marquee__track{display:flex;gap:2.8rem;white-space:nowrap;width:max-content;animation:marq 42s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee span{font-family:var(--serif);font-style:italic;font-size:1.35rem;color:var(--paper-text);display:inline-flex;align-items:center;gap:2.8rem}
.marquee span::after{content:"•";color:var(--wine-2);font-style:normal}
@keyframes marq{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none}}

/* ---------------------------------------------------------------- inner hero (testata immersiva) */
.phero{position:relative;background:var(--espresso);color:var(--paper-text);overflow:hidden;
  display:flex;align-items:flex-end;min-height:clamp(320px,44vh,480px)}
.phero__img{position:absolute;inset:0;z-index:0}
.phero__img img{width:100%;height:100%;object-fit:cover;opacity:.5}
.phero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(8,22,42,.5),rgba(8,22,42,.25) 45%,rgba(8,22,42,.9))}
.phero__inner{position:relative;z-index:2;width:100%;padding-block:clamp(2.4rem,5vw,3.6rem)}
.phero h1{color:var(--white);font-family:var(--serif);font-weight:700;font-size:clamp(2rem,4vw,3.2rem);letter-spacing:-.02em;max-width:20ch;text-wrap:balance}
.phero .lead{color:var(--paper-text);max-width:60ch;margin-top:.8rem}
.breadcrumb-x{font-family:var(--sans);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--paper-mut);
  margin-bottom:1.3rem;display:flex;gap:.55rem;flex-wrap:wrap}
.breadcrumb-x a{color:var(--paper-text)}.breadcrumb-x a:hover{color:var(--camel)}
.breadcrumb-x span{color:var(--camel)}

/* ---------------------------------------------------------------- feature rows (sistemi) */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.6rem,4vw,4rem);align-items:center;
  padding-block:clamp(2.4rem,4vw,3.6rem);border-top:1px solid var(--line)}
.frow:last-child{border-bottom:1px solid var(--line)}
.frow:nth-child(even) .frow__media{order:2}
.frow__media .ph{aspect-ratio:4/3}
.frow__media:hover .ph img{transform:scale(1.04)}
.frow__idx{display:flex;align-items:baseline;gap:1rem;margin-bottom:.7rem}
.frow__idx .numeral{font-size:clamp(2.4rem,4vw,3.6rem)}
.frow__idx .k{font-family:var(--sans);font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--wine)}
.frow h3{font-family:var(--serif);font-size:clamp(1.4rem,2vw,1.9rem);margin:0 0 .6rem;letter-spacing:-.015em}
.frow p{font-size:1.05rem;max-width:46ch;margin-bottom:1.1rem}
.frow__more{font-family:var(--sans);font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--wine);display:inline-flex;gap:.5rem;align-items:center}
.frow__more .arw{transition:transform .18s}.frow__more:hover .arw{transform:translateX(4px)}
@media (max-width:820px){.frow{grid-template-columns:1fr;gap:1.4rem}.frow:nth-child(even) .frow__media{order:0}}

/* ---------------------------------------------------------------- plates grid / cards */
.panel-grid{display:grid;gap:clamp(1rem,2vw,1.6rem)}
.pg-2{grid-template-columns:repeat(2,1fr)}.pg-3{grid-template-columns:repeat(3,1fr)}.pg-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.pg-3,.pg-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.pg-2,.pg-3,.pg-4{grid-template-columns:1fr}}

.card-x{background:transparent;display:flex;flex-direction:column;height:100%}
.card-x .ph{aspect-ratio:3/2;margin-bottom:1rem}
.card-x .ph::after{content:none}
a.card-x:hover .ph img{transform:scale(1.05)}
a.card-x:hover h3{color:var(--wine)}
.card-x__body{display:flex;flex-direction:column;flex:1}
.card-x__idx{font-family:var(--sans);font-size:.7rem;font-weight:600;letter-spacing:.14em;color:var(--wine);margin-bottom:.5rem;text-transform:uppercase}
.card-x h3{font-family:var(--serif);font-size:1.5rem;margin-bottom:.45rem;color:var(--ink);letter-spacing:-.01em;transition:color .18s}
.card-x p{font-size:1rem;color:var(--ink-soft);margin-bottom:.9rem}
.card-x__more{margin-top:auto;font-family:var(--sans);font-size:.74rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--wine);display:inline-flex;align-items:center;gap:.5rem}
.card-x__more .arw{transition:transform .18s}a.card-x:hover .card-x__more .arw{transform:translateX(4px)}

/* chips materiali */
.chip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:clamp(1rem,2vw,1.5rem)}
.chip{background:transparent;display:flex;flex-direction:column}
.chip .ph{aspect-ratio:4/3;margin-bottom:.7rem}.chip .ph::after{content:none}
a.chip:hover .ph img{transform:scale(1.05)}a.chip:hover h3{color:var(--wine)}
.chip__b{display:flex;flex-direction:column;gap:.2rem}
.chip__b .k{font-family:var(--sans);font-size:.62rem;font-weight:600;letter-spacing:.14em;color:var(--wine);text-transform:uppercase}
.chip__b h3{font-family:var(--serif);font-size:1.25rem;margin:0;color:var(--ink);transition:color .18s}
.chip__b .go{margin-top:.25rem;font-family:var(--sans);font-size:.72rem;color:var(--ink-soft);letter-spacing:.02em}

/* split */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(1.8rem,4vw,4rem);align-items:center}
.split.rev .split__media{order:-1}
.split__media .ph{aspect-ratio:4/3}
@media (max-width:860px){.split{grid-template-columns:1fr}.split.rev .split__media{order:0}}

/* elenco tecnico */
.flist{list-style:none;margin:1.4rem 0 0;padding:0;display:grid;gap:0;counter-reset:li}
.flist li{display:flex;gap:1.1rem;padding:.9rem 0;border-top:1px solid var(--line);align-items:baseline;font-family:var(--serif);font-size:1.12rem;color:var(--ink)}
.flist li::before{content:counter(li,decimal-leading-zero);counter-increment:li;font-family:var(--sans);font-size:.72rem;font-weight:600;color:var(--wine);letter-spacing:.05em;flex:0 0 auto;transform:translateY(.15rem)}
.flist li:last-child{border-bottom:1px solid var(--line)}

/* process = spread numerato */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.2rem,2.5vw,2.4rem)}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding-top:1.2rem;border-top:2px solid var(--wine)}
.step .n{font-family:var(--serif);font-size:1.5rem;font-weight:700;color:var(--wine);line-height:1;display:block;margin-bottom:.6rem}
.dark .step{border-top-color:var(--camel)}.dark .step .n{color:var(--camel)}
.step h3{font-family:var(--serif);font-size:1.3rem;margin-bottom:.45rem}
.step p{font-size:.98rem;margin:0;color:var(--ink-soft)}
.dark .step p{color:var(--paper-mut)}

/* pillars = grande specchietto editoriale */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.2rem,2.5vw,2.5rem)}
@media (max-width:820px){.pillars{grid-template-columns:repeat(2,1fr)}}
.pillar{border-top:1px solid var(--line-d);padding-top:1.1rem}
.pillar .k{font-family:var(--sans);font-size:.66rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--camel);margin-bottom:.9rem}
.pillar b{font-family:var(--serif);font-weight:400;font-size:1.9rem;color:var(--white);display:block;line-height:1.02;margin-bottom:.5rem;letter-spacing:-.01em}
.pillar span{font-size:.98rem;color:var(--paper-mut)}

/* logo grid */
.logo-grid{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
@media (max-width:900px){.logo-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.logo-grid{grid-template-columns:repeat(2,1fr)}}
.logo-grid .lg{aspect-ratio:3/2;display:grid;place-items:center;padding:1rem;font-family:var(--serif);font-style:italic;
  font-size:1.15rem;color:var(--ink);text-align:center;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.2s}
.logo-grid .lg:hover{background:var(--paper-2);color:var(--wine)}

/* bands */
.band{background:var(--paper)}
.band--ink{background:var(--espresso);color:var(--paper-text)}
.band--ink h2{color:var(--white)}.band--ink p{color:var(--paper-mut)}
.band--brass{background:var(--espresso);color:var(--paper-text);position:relative;overflow:hidden}
.band--brass::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--wine)}
.band--brass h2{color:var(--white);font-family:var(--serif)}
.band--brass p{color:var(--paper-mut)}
.band--brass .eyebrow{color:var(--camel)}.band--brass .eyebrow::before{background:var(--camel)}

/* fullbleed image band */
.fullbleed{position:relative;height:clamp(320px,52vh,600px);overflow:hidden}
.fullbleed img{width:100%;height:100%;object-fit:cover}
.fullbleed__cap{position:absolute;left:clamp(1.2rem,4vw,3.4rem);bottom:clamp(1.2rem,3vw,2rem);z-index:2;color:var(--white);max-width:40ch}
.fullbleed::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,22,42,.94),rgba(8,22,42,.4) 60%,rgba(8,22,42,.18) 100%),linear-gradient(90deg,rgba(8,22,42,.65),rgba(8,22,42,.1) 55%,transparent 75%)}
.fullbleed__cap{z-index:3}
.fullbleed__cap .eyebrow{color:var(--camel)}.fullbleed__cap .eyebrow::before{background:var(--camel)}
.fullbleed__cap h2{color:var(--white);font-size:clamp(1.7rem,3vw,2.6rem)}

/* form */
.form-panel{background:var(--white);border:1px solid var(--line);padding:clamp(1.5rem,3vw,2.4rem)}
.form-x{display:grid;gap:1.1rem}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media (max-width:640px){.fgrid{grid-template-columns:1fr}}
.field label{display:block;font-family:var(--sans);font-size:.66rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.4rem}
.field input,.field select,.field textarea{width:100%;padding:.82rem .9rem;border:1px solid var(--line);background:var(--paper);
  border-radius:2px;font-family:var(--sans);font-size:1rem;color:var(--ink);transition:.15s}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--wine);box-shadow:0 0 0 3px rgba(20,120,212,.14)}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#a23333;box-shadow:0 0 0 3px rgba(162,51,51,.14)}
.field .err{display:none;color:#a23333;font-size:.76rem;margin-top:.35rem;font-family:var(--sans)}
.field.invalid .err{display:block}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.92rem;color:var(--ink-soft)}
.check input{width:18px;height:18px;margin-top:.15rem;flex:0 0 auto;accent-color:var(--wine)}
.form-note{font-family:var(--sans);font-size:.72rem;color:var(--ink-soft);opacity:.75;letter-spacing:.02em}
.form-ok{display:none;background:var(--paper-2);border-left:3px solid var(--wine);color:var(--ink);padding:1rem 1.15rem;font-size:.95rem}

.info-rows{list-style:none;margin:0;padding:0}
.info-rows li{display:grid;grid-template-columns:130px 1fr;gap:1rem;padding:1rem 0;border-top:1px solid var(--line)}
.info-rows li:last-child{border-bottom:1px solid var(--line)}
.info-rows .k{font-family:var(--sans);font-size:.68rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.info-rows .v{color:var(--ink);font-family:var(--serif);font-size:1.1rem}.info-rows .v a{color:var(--wine)}
.dark .info-rows li{border-color:var(--line-d)}.dark .info-rows .k{color:var(--camel)}.dark .info-rows .v,.dark .info-rows .v a{color:var(--white)}
@media (max-width:520px){.info-rows li{grid-template-columns:1fr;gap:.2rem}}

/* prose */
.prose{max-width:68ch;font-size:1.12rem}
.prose h2{font-size:clamp(1.7rem,2.8vw,2.3rem);margin-top:2.4rem}
.prose h3{font-size:1.4rem;margin-top:1.9rem}
.prose ul{padding-left:0;list-style:none;margin:1.3rem 0}
.prose ul li{position:relative;padding:.6rem 0 .6rem 1.7rem;border-top:1px solid var(--line);font-family:var(--serif)}
.prose ul li:last-child{border-bottom:1px solid var(--line)}
.prose ul li::before{content:"—";position:absolute;left:0;color:var(--wine)}

/* stub / nota */
.stub{background:var(--card);border-left:3px solid var(--wine);padding:1.6rem 1.8rem;display:flex;gap:1rem;align-items:flex-start;box-shadow:0 20px 44px -34px rgba(8,22,42,.4)}
.stub .dot{width:9px;height:9px;border-radius:50%;background:var(--wine);margin-top:.6rem;flex:0 0 auto}
.stub h3{font-family:var(--serif);font-size:1.25rem;margin:0 0 .3rem}
.stub p{margin:0;font-size:.98rem;color:var(--ink-soft)}
.dark .stub{background:var(--espresso-2)}.dark .stub h3{color:var(--white)}.dark .stub p{color:var(--paper-mut)}

/* footer */
.site-footer{background:var(--espresso);color:var(--paper-mut);padding-block:clamp(3.2rem,6vw,5rem) 2rem;position:relative}
.site-footer a{color:var(--paper-text)}.site-footer a:hover{color:var(--camel)}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:2.2rem}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-brand b{font-family:var(--serif);color:var(--white);font-size:1.7rem;font-weight:500}
.foot-brand b span{font-style:italic;font-weight:400}
.foot-brand p{font-size:.98rem;color:var(--paper-mut);margin-top:.9rem;max-width:38ch;font-family:var(--serif)}
.foot-h{font-family:var(--sans);font-size:.66rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--camel);margin-bottom:1rem}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.foot-col a{font-size:.95rem}
.foot-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:2.8rem;padding-top:1.4rem;
  border-top:1px solid var(--espresso-3);font-family:var(--sans);font-size:.74rem;letter-spacing:.04em;color:var(--paper-mut)}

.totop{position:fixed;right:25px;bottom:92px;z-index:1020;width:48px;height:48px;border-radius:50%;background:var(--wine);color:var(--paper);
  border:0;cursor:pointer;display:grid;place-items:center;opacity:0;transform:translateY(10px);transition:.22s;pointer-events:none;box-shadow:0 16px 34px -16px rgba(20,120,212,.7)}
.totop.show{opacity:1;transform:translateY(0);pointer-events:auto}
.totop:hover{background:var(--wine-2)}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

.mt-x{margin-top:clamp(1.6rem,3vw,2.6rem)}
.tac{text-align:center}.maxc{max-width:66ch}.maxc.mx{margin-inline:auto}
:focus-visible{outline:2px solid var(--wine);outline-offset:3px}

/* ---- logo brand ---- */
.brand-logo{height:40px;width:auto;display:block;flex:0 0 auto}
.brand-txt{display:flex;flex-direction:column;justify-content:center}
.brand-txt b{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--ink);font-size:1.2rem;line-height:1}
.brand-txt small{font-family:var(--sans);font-size:.56rem;letter-spacing:.18em;color:var(--wine);margin-top:3px;text-transform:uppercase;font-weight:600}
@media (max-width:480px){.brand-txt{display:none}.brand-logo{height:34px}}
.foot-logo{height:46px;width:auto;display:block;margin-bottom:.4rem}

.band--soft{background:#F0F2F4}

/* WhatsApp fixed button */
.wa-fab{position:fixed;right:20px;bottom:20px;z-index:1055;width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px -6px rgba(0,0,0,.45);transition:transform .15s,box-shadow .15s}
.wa-fab:hover{transform:translateY(-2px);box-shadow:0 12px 30px -6px rgba(0,0,0,.5)}
@media (max-width:600px){.wa-fab{right:14px;bottom:14px;width:52px;height:52px}}

/* client image beside text (solid-color header) */
.side-fig{margin:0 0 0 0;position:sticky;top:110px}
.side-fig img{width:100%;height:auto;display:block;border-radius:2px;box-shadow:0 18px 40px -24px rgba(8,22,42,.5)}
.side-fig figcaption{font-family:var(--sans);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-top:.6rem}
@media (max-width:991px){.side-fig{position:static;margin-bottom:1.6rem}}

/* official-logo footer chip */
.foot-logo{background:#fff;padding:7px 10px;border-radius:5px;box-sizing:content-box}

/* logo-nav gap */
.brand{padding-right:1.8rem}
.brand-logo{max-height:40px;width:auto}

/* header full-width */
.site-header .container{max-width:none;width:100%;padding-left:28px;padding-right:28px}
@media(max-width:600px){.site-header .container{padding-left:16px;padding-right:16px}}