/* chalco · step 4 · landing soluzioni (soluzioni.html)
   generatore: strumenti/pagina-soluzioni.py · animazioni: assets/js/soluzioni.js */

/* ---------- comune: comparsa durante la lettura (classe .is-in messa da soluzioni.js) ---------- */
.sl-anim .sl-rev { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .8s cubic-bezier(.2,.8,.2,1); transition-delay: calc(var(--i, 0) * 110ms); }
.sl-anim .sl-rev.is-in { opacity: 1; transform: none; }
.sl-draw { stroke-dasharray: 1; stroke-dashoffset: 0; }
.sl-anim .sl-draw { stroke-dashoffset: 1; transition: stroke-dashoffset 1.2s ease .2s; }
.sl-anim .is-in .sl-draw, .sl-anim .sl-draw.is-in { stroke-dashoffset: 0; }
@media (prefers-reduced-motion: reduce) { .sl-anim .sl-rev { opacity: 1; transform: none; transition: none; } .sl-anim .sl-draw { stroke-dashoffset: 0; } }

.sl .box__head { color: #fff; text-decoration: none; }
.sl .box__head small { white-space: nowrap; }
.sc-meta { font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--c-ink-2); }

/* =========================================================== versione 1 · schede */
.sl-tree { margin-top: 72px; }
.sl-tree__core { display: grid; justify-items: center; gap: 6px; width: min(360px, 80%); margin: 0 auto; padding: 22px 30px; background: #fff; border: 1px solid var(--c-black); color: inherit; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.sl-tree__core:hover { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--c-black); }
.sl-tree__k { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.sl-tree__k--2 { color: var(--c-ink-2); font-weight: 600; letter-spacing: .14em; }
.sl-tree__big { font-size: 34px; font-weight: 800; letter-spacing: -.035em; line-height: 1; }
.sl-tree__lines { display: block; width: 100%; height: 56px; }
.sl-tree__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; align-items: start; }
.sl-tree__grp { --box-bg: #fff; }
.sl-tree__list { list-style: none; margin: 0; padding: 6px 0; }
.sl-tree__link { display: grid; grid-template-columns: 22px minmax(0, auto) minmax(0, 1fr) 16px; align-items: center; column-gap: 14px; padding: 13px 22px; color: inherit; text-decoration: none; border-bottom: 1px dashed rgba(14,14,16,.18); transition: background .2s; }
.sl-tree__list li:last-child .sl-tree__link { border-bottom: 0; }
.sl-tree__name { font-size: 16px; font-weight: 700; letter-spacing: -.01em; white-space: nowrap; }
.sl-tree__claim { font-size: 13px; color: var(--c-ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sl-tree__go { font-size: 14px; opacity: .35; transition: transform .2s, opacity .2s; }
.sl-tree__link:hover { background: color-mix(in srgb, var(--c) 7%, #fff); }
.sl-tree__link:hover .sl-tree__go { opacity: 1; transform: translateY(3px); }
/* nell'indice le voci entrano una dopo l'altra */
.sl-anim .sl-tree__list li { opacity: 0; transform: translateX(-10px); transition: opacity .5s ease, transform .5s ease; }
.sl-anim .sl-tree.is-in .sl-tree__list li { opacity: 1; transform: none; }
.sl-tree__list li:nth-child(2) { transition-delay: .08s; } .sl-tree__list li:nth-child(3) { transition-delay: .16s; }
.sl-tree__list li:nth-child(4) { transition-delay: .24s; } .sl-tree__list li:nth-child(5) { transition-delay: .32s; }
.sl-tree__list li:nth-child(6) { transition-delay: .40s; }

.sl-sec { padding-top: 120px; scroll-margin-top: 90px; }
.sl-band { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 56px; align-items: center; padding: 34px 40px; background: #fff; border: 1px solid var(--c-black); border-top: 10px solid var(--c); }
.sl-band__t { margin: 0; display: grid; gap: 8px; }
.sl-band__t span { font-size: 44px; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.sl-band__t small { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--c-ink-2); }
.sl-band__text { margin: 0; font-size: 18px; line-height: 1.65; color: var(--c-ink-2); max-width: 60ch; }
/* filo che scende dalla fascia alle schede, con il quadratino che corre */
.sl-spine { position: relative; width: 1px; height: 64px; margin-left: 40px; background: repeating-linear-gradient(to bottom, var(--c-black) 0 2px, transparent 2px 6px); }
.sl-spine::after { content: ""; position: absolute; left: -3px; top: 0; width: 7px; height: 7px; background: var(--c); animation: slSpine 2.4s linear infinite; }
@keyframes slSpine { from { top: 0; } to { top: calc(100% - 7px); } }
@media (prefers-reduced-motion: reduce) { .sl-spine::after { animation: none; } }

.sc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 24px; }
.sc-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sc { scroll-margin-top: 100px; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-black); }
.sl-anim .sc.sl-rev { transition: opacity .7s ease, transform .8s cubic-bezier(.2,.8,.2,1), box-shadow .25s; }
.sc:hover { box-shadow: 8px 8px 0 var(--c); }
.sc:target { outline: 2px solid var(--c); outline-offset: 6px; }
.sc-fig { display: block; padding: 14px 10px 6px; border-bottom: 1px solid var(--c-black);
  background-color: var(--c-paper); background-image: linear-gradient(rgba(14,14,16,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(14,14,16,.06) 1px, transparent 1px); background-size: 24px 24px; }
.sc-fig svg { display: block; width: 100%; height: auto; overflow: visible; transition: transform .5s cubic-bezier(.2,.8,.2,1); }
.sc:hover .sc-fig svg { transform: scale(1.03); }
.sc-body { display: flex; flex-direction: column; gap: 12px; flex: 1; padding: 22px 24px 24px; }
.sc-k { margin: 0; font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--c-ink-2); }
.sc-k span { color: var(--c); color: var(--c-ink); }
.sc-name { display: flex; align-items: center; gap: 12px; margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -.035em; line-height: 1.05; }
.sc-name img { flex-shrink: 0; }
.sc-claim { margin: 0; font-size: 16px; font-weight: 700; line-height: 1.35; }
.sc-lead { margin: 0; font-size: 15px; line-height: 1.6; color: var(--c-ink-2); flex: 1; }
.sc-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; padding-top: 16px; border-top: 1px dashed rgba(14,14,16,.3); }
.sc-grid--4 .sc-name { font-size: 32px; }

@media (max-width: 1279px) { .sc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 1023px) {
  .sl-tree__row { grid-template-columns: 1fr; }
  .sl-tree__lines { display: none; }
  .sl-tree__core { margin-bottom: 24px; }
  .sl-band { grid-template-columns: 1fr; gap: 18px; padding: 28px; }
  .sl-sec { padding-top: 88px; }
}
@media (max-width: 767px) {
  .sl-tree { margin-top: 44px; }
  .sl-tree__core { width: 100%; }
  .sl-tree__link { grid-template-columns: 22px minmax(0, 1fr) 16px; padding: 12px 16px; }
  .sl-tree__claim { display: none; }
  .sl-band { padding: 22px 20px; }
  .sl-band__t span { font-size: 34px; }
  .sl-band__text { font-size: 16px; }
  .sl-spine { margin-left: 24px; height: 44px; }
  .sc-grid, .sc-grid--4 { grid-template-columns: 1fr; }
  .sc-name, .sc-grid--4 .sc-name { font-size: 24px; }
}

/* =========================================================== versione 2 · racconto */
.sx-sum { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 64px; align-items: start; }
.sx-sum__grp { --box-bg: #fff; }
.sx-sum__list { list-style: none; margin: 0; padding: 6px 0; }
.sx-sum__list a { display: grid; grid-template-columns: 26px 22px minmax(0, auto) minmax(0, 1fr); align-items: center; column-gap: 14px; padding: 13px 22px; color: inherit; text-decoration: none; border-bottom: 1px dashed rgba(14,14,16,.18); transition: background .2s, padding .25s; }
.sx-sum__list li:last-child a { border-bottom: 0; }
.sx-sum__list a:hover { background: var(--c-paper); padding-left: 30px; }
.sx-n { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--c-ink-2); }
.sx-name { font-size: 16px; font-weight: 700; white-space: nowrap; }
.sx-claim { font-size: 13px; color: var(--c-ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sl-anim .sx-sum__list li { opacity: 0; transform: translateY(8px); transition: opacity .5s ease, transform .5s ease; }
.sl-anim .sx-sum.is-in .sx-sum__list li { opacity: 1; transform: none; }
.sx-sum__list li:nth-child(2) { transition-delay: .07s; } .sx-sum__list li:nth-child(3) { transition-delay: .14s; }
.sx-sum__list li:nth-child(4) { transition-delay: .21s; } .sx-sum__list li:nth-child(5) { transition-delay: .28s; }
.sx-sum__list li:nth-child(6) { transition-delay: .35s; }

.sx-wrap { padding-top: 110px; }
.sx-grid { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 56px; align-items: start; }
.sx-side { position: sticky; top: calc(var(--header-h) + 64px); align-self: start; }
.has-pv .sx-side { top: calc(var(--header-h) + 104px); }
.sx-side__in { position: relative; padding-left: 18px; }
.sx-side__lab, .sx-side__g { margin: 0 0 10px; font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.sx-side__g { margin-top: 22px; display: flex; align-items: center; gap: 8px; color: var(--c-ink-2); }
.sx-side__g::before { content: ""; width: 8px; height: 8px; background: var(--c); }
.sx-side ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.sx-side a { display: flex; gap: 10px; align-items: baseline; padding: 6px 10px; margin-left: -10px; font-size: 14px; color: var(--c-ink-2); text-decoration: none; border: 1.5px solid transparent; transition: color .2s, border-color .2s, background .2s; }
.sx-side a:hover { color: var(--c-ink); }
.sx-side a.is-on { color: var(--c-ink); font-weight: 700; border-color: var(--c-black); background: #fff; }
.sx-side__bar { position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: rgba(14,14,16,.12); }
.sx-side__bar span { display: block; width: 100%; height: var(--p, 0%); background: var(--c-black); transition: height .2s linear; }

.sx-main { display: grid; gap: 0; }
.sx-group { scroll-margin-top: 110px; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 48px; align-items: center; padding: 30px 36px; margin: 0 0 72px; background: #fff; border: 1px solid var(--c-black); border-top: 10px solid var(--c); }
.sx-group ~ .sx-group { margin-top: 64px; }
.sx-group__t { margin: 0; display: grid; gap: 8px; }
.sx-group__t span { font-size: 40px; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.sx-group__t small { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--c-ink-2); }
.sx-group > p:last-child { margin: 0; font-size: 17px; line-height: 1.65; color: var(--c-ink-2); }

.sx-item { scroll-margin-top: 110px; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 48px; align-items: center; padding: 56px 0; border-top: 1px dashed rgba(14,14,16,.3); }
.sx-group + .sx-item { border-top: 0; padding-top: 8px; }
.sx-item--alt .sx-text { order: 2; }
.sx-text { display: grid; gap: 16px; align-content: center; }
.sx-k { margin: 0; display: flex; align-items: baseline; gap: 12px; font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--c-ink-2); }
.sx-big { font-size: 64px; font-weight: 700; letter-spacing: -.04em; line-height: .9; color: var(--c-ink); -webkit-text-stroke: 0; }
.sx-h { display: flex; align-items: center; gap: 14px; margin: 0; font-size: 46px; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.sx-h img { flex-shrink: 0; }
.sx-claim2 { margin: 0; font-size: 19px; font-weight: 700; line-height: 1.35; }
.sx-lead { margin: 0; font-size: 16px; line-height: 1.65; color: var(--c-ink-2); max-width: 52ch; }
.sx-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; padding-top: 6px; }
.sx-fig { display: block; position: relative; }
.sx-fig svg { display: block; width: 100%; height: auto; overflow: visible; }
/* in lettura: l'illustrazione si avvicina e il numero si riempie */
.sl-anim .sx-fig { opacity: .25; transform: scale(.94) translateY(24px); transition: opacity .8s ease, transform 1s cubic-bezier(.2,.8,.2,1); }
.sl-anim .sx-item.is-in .sx-fig { opacity: 1; transform: none; }
.sl-anim .sx-big { color: transparent; -webkit-text-stroke: 1px var(--c-ink); transition: color .6s ease .35s; }
.sl-anim .sx-item.is-in .sx-big { color: var(--c-ink); }

@media (max-width: 1279px) { .sx-grid { grid-template-columns: 190px minmax(0, 1fr); gap: 40px; } .sx-h { font-size: 38px; } }
@media (max-width: 1023px) {
  .sx-sum { grid-template-columns: 1fr; }
  .sx-grid { grid-template-columns: 1fr; }
  .sx-side { display: none; }
  .sx-group { grid-template-columns: 1fr; gap: 16px; padding: 26px; }
  .sx-item, .sx-item--alt { grid-template-columns: 1fr; gap: 24px; padding: 48px 0; }
  .sx-item--alt .sx-text { order: 0; }
  .sx-fig { order: -1; }
  .sx-wrap { padding-top: 80px; }
}
@media (max-width: 767px) {
  .sx-sum { margin-top: 44px; }
  .sx-sum__list a { grid-template-columns: 24px 22px minmax(0, 1fr); padding: 12px 16px; }
  .sx-claim { display: none; }
  .sx-group__t span { font-size: 32px; }
  .sx-h { font-size: 32px; }
  .sx-big { font-size: 48px; }
  .sx-claim2 { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) { .sl-anim .sx-fig { opacity: 1; transform: none; } .sl-anim .sx-big { color: var(--c-ink); } }

/* step 4h · prodotti chalco collegati a ogni soluzione (solo il prodotto: logo chalco, icona, nome), etichette su una riga */
.sl-prod { display: grid; gap: 10px; padding-top: 14px; border-top: 1px dashed rgba(14,14,16,.3); }
.sl-prod__lab { margin: 0; font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--c-ink-2); }
.sl-prod__list { display: flex; flex-wrap: wrap; gap: 6px; }
.sl .sl-prod .ind-logo { display: inline-flex; padding: 7px 10px; border: 1px solid var(--c-black); background: #fff; }
.sl .sl-prod .plogo { display: flex; align-items: center; gap: 8px; }
.sl .sl-prod .ind-logo img { filter: grayscale(1) brightness(0); width: 16px; height: 16px; }
.sl .sl-prod .ind-logo .pc-word { width: 52px; }
.sl .sl-prod .plogo__row { gap: 6px; }
.sl .sl-prod .plogo__name { font-size: 13.5px; white-space: nowrap; overflow-wrap: normal; }
.sl .sl-prod .ind-logo--core .pl-logo { width: 96px; height: auto; }
.sx-text .sl-prod { max-width: 600px; }

/* step 4h · illustrazioni senza quadretti dietro: si vede la griglia di fondo della pagina */
.sc { background: transparent; }
.sc-body { background: #fff; }
.sc-fig { background: none !important; }
.sl--2 .sx-wrap { padding-top: 40px; }

/* step 4j · prodotti: logo corretto (icona a sinistra a colori, CHALCO sopra, nome sotto), un prodotto sotto l'altro */
.sl-prod__list { flex-direction: column; align-items: flex-start; gap: 8px; }
.sl .sl-prod .ind-logo { padding: 9px 14px 9px 12px; }
.sl .sl-prod .plogo { display: grid; grid-template-columns: auto auto; grid-template-rows: auto auto; column-gap: 10px; row-gap: 3px; align-items: center; }
.sl .sl-prod .plogo__row { display: contents; }
.sl .sl-prod .plogo .pc-word { grid-column: 2; grid-row: 1; width: 64px; align-self: end; }
.sl .sl-prod .plogo__row img { grid-column: 1; grid-row: 1 / span 2; width: 26px; height: 26px; filter: none; }
.sl .sl-prod .plogo__name { grid-column: 2; grid-row: 2; font-size: 14px; line-height: 1.1; align-self: start; }

/* step 5c · card dei team più basse: l'illustrazione sta in un riquadro 16:9 (ridotta, non tagliata) */
.sc-grid--6 .sc-fig { aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center; padding: 8px 10px; overflow: hidden; }
.sc-grid--6 .sc-fig__svg { height: 100%; display: flex; justify-content: center; }
.sc-grid--6 .sc-fig svg { width: auto !important; height: 100% !important; max-width: 100%; }
/* card ancora da completare (archivio storico) */
.sc-fig--todo span { font: 600 12px var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--c-ink-3); border: 1px dashed var(--c-black); padding: 10px 14px; }
.sl-tree__noico { display: inline-block; width: 22px; height: 22px; }

/* 01.11 · titolo di apertura al massimo su tre righe, a bandiera a sinistra */
.sl-hero .pl-h1 { max-width: none; text-align: left; text-wrap: pretty; }
@media (min-width: 1024px) { .sl-hero .pl-h1 { font-size: calc(min(100vw - 192px, 1248px) * .055); } }

/* 01.11 · le fasce "soluzioni per team / per industry" con un fondo sfumato chiaro, così si vede dove comincia la sezione */
.sl-band { background: var(--c-blue-light); }   /* 01.11 b: colore schiarito pieno, come nel moodboard */
#industry .sl-band { background: var(--c-black-light); }

/* 01.11 · telefono */
@media (max-width: 767px) {
  /* indice in alto: i riquadri restano fermi, l'ombra non esce dallo schermo */
  .sl-tree__row { gap: 28px; }
  .sl-tree__grp { margin-right: 6px; }
  .sl-anim .sl-tree__list li { opacity: 1 !important; transform: none !important; transition: none !important; }
  .sl-anim .sl-rev.sl-tree, .sl-anim .sl-tree.sl-rev { opacity: 1 !important; transform: none !important; }
  .sc:hover { box-shadow: none; }
  /* sotto le fasce le schede sono in elenco, collegate da un filo laterale con la freccia verso ciascuna */
  .sl-spine { display: none; }
  .sc-grid, .sc-grid--4 { margin-top: 28px; margin-left: 30px; gap: 28px; }
  .sc { position: relative; overflow: visible; }
  .sc::before { content: ""; position: absolute; left: -26px; top: -28px; bottom: -28px; width: 24px; pointer-events: none;
    border-left: 1.6px dashed #0E0E10;
    background: linear-gradient(#0E0E10, #0E0E10) no-repeat 0 76px / calc(100% - 4px) 1.6px; }
  .sc:last-child::before { bottom: auto; height: 78px; }
  .sc::after { content: ""; position: absolute; left: -9px; top: 43px; border-left: 8px solid #0E0E10; border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
}