/* Assistenza tecnica — templates/page.assistenza.json (brief/b2b-installatori.md §5.3). Tokens from tokens.css,
   shared components (buttons, fields, option pills, tech cards, error summary) from base.css.
   Rhythm: white header with the Deep Blue index → contacts on grey → messa in servizio (image + text) → download centre on grey
   → procedure + form on white, then the standard footer band (grey). */

/* ---------- shared ---------- */
.as-sec { padding-block: clamp(72px, 8vw, 128px); }
.as-sec--surface { background: var(--color-surface); }
.as-h2 { font-size: clamp(30px, 3.4vw, 48px); line-height: 1.1; letter-spacing: -0.025em; font-weight: var(--font-weight-medium); text-wrap: balance; }
.as-lead { margin-top: 18px; max-width: 46ch; font-size: var(--font-size-lg); line-height: 1.55; color: var(--color-muted); }
.as-split { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 40px clamp(40px, 6vw, 112px); align-items: start; }
.as-head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 16px clamp(40px, 6vw, 112px); align-items: end; margin-bottom: clamp(32px, 4vw, 52px); }
.as-head .as-lead { margin-top: 0; }

/* ---------- header: title, intro, actions + index of the four services ---------- */
.as-hero { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 40px clamp(40px, 6vw, 104px); align-items: center; padding-top: clamp(32px, 4.4vw, 72px); padding-bottom: clamp(56px, 6.4vw, 104px); }
.as-hero__title { margin-top: 14px; font-size: clamp(2.75rem, 5.6vw, 4.75rem); line-height: 1; letter-spacing: var(--letter-spacing-display); font-weight: var(--font-weight-medium); }
.as-hero__lead { margin-top: 24px; max-width: 44ch; font-size: var(--font-size-lg); line-height: 1.6; color: var(--color-muted); }
.as-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.as-index { padding: 6px clamp(22px, 2.6vw, 40px); border-radius: var(--radius-card); background: var(--color-deep); color: #fff; }
.as-index ul { margin: 0; padding: 0; list-style: none; }
.as-index li + li { border-top: 1px solid rgb(255 255 255 / 0.14); }
.as-index a { display: grid; grid-template-columns: 36px minmax(0, 1fr) 22px; align-items: center; gap: 20px; min-height: 104px; padding: 20px 0; }
.as-index a > .icon:first-child { width: 32px; height: 32px; stroke-width: 1.3; color: var(--color-gradient-start); }
.as-index__t { display: block; font-size: 19px; line-height: 1.3; font-weight: var(--font-weight-semibold); letter-spacing: -0.01em; text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 5px; text-decoration-thickness: 1px; transition: text-decoration-color var(--duration-fast); }
.as-index__d { display: block; margin-top: 4px; max-width: 48ch; font-size: 14px; line-height: 1.5; color: rgb(255 255 255 / 0.74); text-wrap: pretty; }
.as-index__go { width: 20px; height: 20px; color: rgb(255 255 255 / 0.55); transform: rotate(90deg); transition: transform var(--duration-base) var(--ease-out), color var(--duration-base); }
.as-index a:hover .as-index__t { text-decoration-color: currentColor; }
.as-index a:hover .as-index__go { color: #fff; transform: rotate(90deg) translateX(4px); }
.as-index a:focus-visible { outline-color: #fff; outline-offset: 2px; border-radius: var(--radius-sm); }

/* ---------- #linea ---------- */
.as-note { display: flex; align-items: flex-start; gap: 12px; max-width: 44ch; margin-top: 32px; padding: 16px 18px; border-radius: var(--radius-md); background: #fff; box-shadow: inset 0 0 0 1px var(--color-border); font-size: 15px; line-height: 1.5; color: var(--color-foreground-2); }
.as-note .icon { width: 20px; height: 20px; margin-top: 1px; color: var(--color-primary); }
.as-linea .distributors--tech { --logo-h: 44px; gap: 16px; }
.as-linea .distributor--tech { gap: 22px; min-height: 100%; padding: clamp(24px, 2.6vw, 40px); border: 0; border-radius: var(--radius-card); box-shadow: inset 0 0 0 1px var(--color-border); }
.as-linea .distributor__name { font-size: 17px; }
.as-linea .distributor__actions { gap: 10px; padding-top: 22px; border-top: 1px solid var(--color-border); justify-items: stretch; }
.as-linea .distributor__call { min-height: var(--control-height); justify-content: flex-start; padding: 0 22px; font-size: 18px; font-weight: var(--font-weight-medium); letter-spacing: -0.01em; }
.as-linea .distributor__call .icon { width: 18px; height: 18px; }
.as-linea .distributor__mail { justify-self: start; font-size: 15px; }

/* ---------- #messa-in-servizio ---------- */
.as-mis__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--grid-gap); align-items: stretch; }
.as-mis__media { position: relative; grid-column: 1 / 7; min-height: 560px; border-radius: var(--radius-card); overflow: hidden; background: var(--color-surface); }
.as-mis__media picture { display: contents; }
.as-mis__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 60%; }
.as-mis__text { grid-column: 8 / 13; align-self: center; }
.as-mis__list { margin: 32px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--color-border); }
.as-mis__list li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--color-border); }
.as-mis__list svg { width: 36px; height: 36px; fill: none; stroke: var(--color-primary); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.as-mis__list h3 { font-size: 17px; line-height: 1.35; font-weight: var(--font-weight-semibold); }
.as-mis__list p { margin-top: 4px; font-size: 15px; line-height: 1.5; color: var(--color-muted); }
.as-mis__text > .button { margin-top: 36px; }

/* ---------- #documentazione: download centre (collection layout: filters left, search + results right) ---------- */
.as-dl { container: dl / inline-size; display: grid; grid-template-columns: minmax(230px, 296px) minmax(0, 1fr); grid-template-rows: auto auto 1fr; grid-template-areas: "aside q" "aside meta" "aside list"; column-gap: clamp(32px, 4vw, 56px); }
.as-dl__q { grid-area: q; }
.as-dl__aside { grid-area: aside; align-self: start; display: grid; gap: 28px; }
.as-dl__meta { grid-area: meta; }
.as-dl__list, .as-dl__empty { grid-area: list; align-self: start; }
.as-dl__search { min-height: 56px; padding-left: 20px; background: #fff; }
.as-dl__search input { font-size: 16px; }
.as-dl__search .icon { color: var(--color-muted); }
.as-dl__select { min-height: 56px; border-radius: var(--radius-pill); padding-left: 20px; }
.as-dl__types { min-width: 0; margin: 0; padding: 0; border: 0; }
.as-dl__types legend { padding: 0; }
/* type options: radio rows with live counts (as the collection facets); a type with nothing online (certificates,
   firmware, diagrams) stays selectable and its empty state points to the tech line */
.as-dl__opts { display: grid; gap: 2px; margin-top: 10px; padding-top: 6px; border-top: 1px solid var(--color-border-strong); }
.as-type { position: relative; display: grid; grid-template-columns: 20px minmax(0, 1fr) auto; align-items: center; gap: 12px; min-height: var(--touch-target); margin: 0 -10px; padding: 0 10px; border-radius: var(--radius-sm); font-size: 15px; color: var(--color-foreground-2); cursor: pointer; transition: background-color var(--duration-fast), color var(--duration-fast); }
.as-type input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.as-type__dot { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid var(--color-border-strong); background: #fff; transition: border-color var(--duration-fast); }
.as-type__dot::after { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--color-deep); transform: scale(0); transition: transform var(--duration-fast) var(--ease-spring); }
.as-type__n { font-size: 13px; font-weight: var(--font-weight-medium); color: var(--color-muted); font-variant-numeric: tabular-nums; }
.as-type:hover { background: #fff; color: var(--color-foreground); }
.as-type:hover .as-type__dot { border-color: var(--color-foreground-2); }
.as-type.is-zero { color: var(--color-muted); }
.as-type:has(input:checked) { color: var(--color-foreground); font-weight: var(--font-weight-semibold); }
.as-type input:checked + .as-type__dot { border-color: var(--color-deep); }
.as-type input:checked + .as-type__dot::after { transform: none; }
.as-type input:focus-visible + .as-type__dot { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.as-dl__meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; min-height: var(--touch-target); margin-top: 18px; }
.as-dl__count { font-size: 15px; font-weight: var(--font-weight-medium); color: var(--color-foreground-2); font-variant-numeric: tabular-nums; }
.as-dl__clear { min-height: var(--touch-target); padding: 0 4px; font-size: 14px; font-weight: var(--font-weight-semibold); color: var(--color-link); text-decoration: underline; text-underline-offset: 3px; }
.as-dl__clear:hover { text-decoration-thickness: 2px; }

.as-dl__list { margin: 10px 0 0; padding: 0 clamp(18px, 2.2vw, 32px); list-style: none; border-radius: var(--radius-card); background: #fff; box-shadow: inset 0 0 0 1px var(--color-border); }
.as-doc { display: grid; grid-template-columns: 44px minmax(0, 1fr) minmax(140px, auto) auto; grid-template-areas: "ic main f go"; align-items: center; gap: 6px 22px; padding: 18px 0; border-bottom: 1px solid var(--color-border); }
.as-doc:last-child { border-bottom: 0; }
.as-doc__ic { grid-area: ic; display: grid; place-items: center; width: 44px; height: 44px; border-radius: var(--radius-md); background: var(--color-tint); color: var(--color-deep); }
.as-doc__ic .icon { width: 20px; height: 20px; }
.as-doc__ic--local { background: var(--color-deep); color: #fff; } /* schede tecniche: extracts of the official 2026 catalogues, served here */
.as-doc__main { grid-area: main; min-width: 0; }
.as-doc__t { font-size: 16px; font-weight: var(--font-weight-semibold); line-height: 1.35; overflow-wrap: anywhere; }
.as-doc__p { margin-top: 3px; font-size: 14px; line-height: 1.45; color: var(--color-foreground-2); }
.as-doc__code { margin-top: 6px; font-size: 13px; line-height: 1.5; color: var(--color-muted); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.as-doc mark { padding: 0 2px; border-radius: 3px; background: var(--color-tint); color: var(--color-deep); }
.as-doc__hit { white-space: nowrap; } /* a code stays with its version */
.as-doc__f { grid-area: f; font-size: 13px; line-height: 1.4; color: var(--color-muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.as-doc__go { grid-area: go; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 116px; min-height: var(--control-height-sm); padding: 0 18px; border-radius: var(--radius-pill); box-shadow: inset 0 0 0 1.5px var(--color-deep); color: var(--color-deep); font-size: 15px; font-weight: var(--font-weight-semibold); white-space: nowrap; transition: background-color var(--duration-fast), color var(--duration-fast); }
.as-doc__go:hover { background: var(--color-deep); color: #fff; }
.as-doc__go:focus-visible { border-radius: var(--radius-pill); }
.as-doc--skel .as-doc__ic { background: none; }
.as-doc--skel .skeleton--text { display: block; }
/* rows follow the width of the download centre (page or design-system bench), not the viewport */
@container dl (max-width: 1040px) {
  .as-doc { grid-template-columns: 44px minmax(0, 1fr) auto; grid-template-areas: "ic main go" "ic f go"; row-gap: 4px; }
  .as-doc__f { white-space: normal; }
}
@container dl (max-width: 560px) {
  .as-doc { grid-template-columns: 40px minmax(0, 1fr) auto; grid-template-areas: "ic main main" ". f go"; gap: 12px 14px; }
  .as-doc__ic { width: 40px; height: 40px; }
  .as-doc__go { min-width: 0; min-height: var(--touch-target); }
}

.as-dl__empty { display: grid; justify-items: center; gap: 14px; margin-top: 10px; padding: clamp(40px, 5vw, 64px) 24px; border-radius: var(--radius-card); background: #fff; box-shadow: inset 0 0 0 1px var(--color-border); text-align: center; }
.as-dl__empty p { max-width: 48ch; font-size: 16px; line-height: 1.55; color: var(--color-foreground-2); text-wrap: balance; }
.as-dl__empty-ic { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: var(--color-surface); color: var(--color-muted); }
.as-dl__empty-ic .icon { width: 28px; height: 28px; }
.as-dl__empty-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 4px; }

/* ---------- #rma: procedure + form ---------- */
.as-rma__grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 48px clamp(40px, 6vw, 112px); align-items: start; }
.as-steps { margin: 40px 0 0; padding: 0; list-style: none; }
.as-step { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 18px; padding-bottom: 30px; }
.as-step:last-child { padding-bottom: 0; }
.as-step::before { content: ""; position: absolute; left: 19.5px; top: 48px; bottom: 8px; width: 1px; background: var(--color-border-strong); }
.as-step:last-child::before { display: none; }
.as-step__n { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: #fff; box-shadow: inset 0 0 0 1.5px var(--color-border-strong); font-size: 15px; font-weight: var(--font-weight-semibold); color: var(--color-foreground-2); font-variant-numeric: tabular-nums; transition: background-color var(--duration-base), color var(--duration-base), box-shadow var(--duration-base); }
.as-step h3 { padding-top: 8px; font-size: 17px; line-height: 1.35; font-weight: var(--font-weight-semibold); }
.as-step p { margin-top: 4px; font-size: 15px; line-height: 1.5; color: var(--color-muted); }
.as-step[aria-current="step"] .as-step__n { background: var(--color-deep); box-shadow: none; color: #fff; }
.as-step.is-done .as-step__n { background: var(--color-tint); box-shadow: none; color: var(--color-deep); }

.as-rma__card { padding: clamp(24px, 3.4vw, 52px); border-radius: var(--radius-card); background: var(--color-surface); }
.as-form { display: grid; gap: 32px; }
.as-form__head { display: grid; gap: 8px; }
.as-form__title { font-size: clamp(24px, 2.2vw, 30px); line-height: 1.2; letter-spacing: -0.015em; font-weight: var(--font-weight-medium); }
.as-form__title:focus-visible { outline-offset: 6px; }
.as-form__group { min-width: 0; margin: 0; padding: 28px 0 0; border: 0; border-top: 1px solid var(--color-border-strong); }
.as-form__legend { float: left; width: 100%; margin-bottom: 20px; padding: 0; font-size: 17px; font-weight: var(--font-weight-semibold); color: var(--color-foreground); }
.as-form__grid { clear: both; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 16px; align-items: start; }
.as-form__full { grid-column: 1 / -1; }
.as-form__short { max-width: 340px; }
.as-form .option-group legend { float: none; padding: 0; }
.as-form__file { padding: 6px 16px 6px 6px; }
.as-form__file::file-selector-button { margin-right: 14px; min-height: 34px; padding: 0 16px; border: 0; border-radius: var(--radius-pill); background: var(--color-surface); box-shadow: inset 0 0 0 1.5px var(--color-deep); color: var(--color-deep); font: var(--font-weight-semibold) 14px/1 var(--font-body--family); cursor: pointer; transition: background-color var(--duration-fast), color var(--duration-fast); }
.as-form__file:hover::file-selector-button { background: var(--color-deep); color: #fff; }
.as-form .check { padding-block: 4px; }
.as-form .check a { color: var(--color-link); }
.as-form__submit { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.as-form__demo { font-size: 13px; line-height: 1.5; color: var(--color-muted); }

.as-rma__done { display: grid; justify-items: start; gap: 14px; }
.as-done__lead { font-size: 17px; color: var(--color-foreground-2); }
.as-done__list { width: 100%; margin: 10px 0 0; border-top: 1px solid var(--color-border-strong); }
.as-done__list div { display: grid; grid-template-columns: minmax(130px, 1fr) minmax(0, 2.4fr); gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--color-border-strong); font-size: 15px; line-height: 1.45; }
.as-done__list dt { color: var(--color-muted); }
.as-done__list dd { margin: 0; font-weight: var(--font-weight-medium); overflow-wrap: anywhere; }
.as-done__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }

/* ---------- responsive ---------- */
@media (min-width: 1001px) and (min-height: 840px) {
  /* filters and procedure stay beside the long list / form */
  .as-dl__aside, .as-rma__aside { position: sticky; top: calc(var(--header-height-compact) + 32px); }
}
@media (max-width: 1000px) {
  .as-hero, .as-split, .as-head, .as-rma__grid { grid-template-columns: minmax(0, 1fr); }
  .as-hero { align-items: start; }
  .as-mis__media, .as-mis__text { grid-column: 1 / -1; }
  .as-mis__media { min-height: 0; aspect-ratio: 16 / 9; }
  .as-mis__media img { object-position: 62% 50%; }
  .as-mis__text { margin-top: 16px; }
  /* search first, then product and types (a row of chips), then the results */
  .as-dl { grid-template-columns: minmax(0, 1fr); grid-template-rows: none; grid-template-areas: "q" "aside" "meta" "list"; }
  .as-dl__aside { gap: 20px; margin-top: 20px; }
  .as-dl__opts { display: flex; gap: 8px; margin: 8px calc(-1 * var(--gutter)) 0; padding: 2px var(--gutter) 6px; border: 0; overflow-x: auto; scrollbar-width: none; scroll-padding-inline: var(--gutter); }
  .as-dl__opts::-webkit-scrollbar { display: none; }
  .as-type { flex: none; display: inline-flex; gap: 8px; margin: 0; padding: 0 16px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-pill); background: #fff; font-size: 14px; white-space: nowrap; }
  .as-type__dot { display: none; }
  .as-type.is-zero { border-style: dashed; }
  .as-type:hover { border-color: var(--color-foreground); }
  .as-type:has(input:checked) { border-style: solid; border-color: var(--color-deep); background: var(--color-deep); color: #fff; font-weight: var(--font-weight-medium); }
  .as-type:has(input:checked) .as-type__n { color: rgb(255 255 255 / 0.75); }
  .as-type:has(input:focus-visible) { outline: 2px solid var(--color-primary); outline-offset: 3px; }
  .as-steps { margin-top: 32px; }
}
@media (max-width: 760px) {
  .as-hero__actions .button { flex: 1 1 auto; }
  .as-index a { grid-template-columns: 28px minmax(0, 1fr) 18px; gap: 14px; min-height: 0; padding: 18px 0; }
  .as-index a > .icon:first-child { width: 26px; height: 26px; }
  .as-index__t { font-size: 17px; }
  .as-index__d { font-size: 13px; }
  .as-mis__media { aspect-ratio: 4 / 3; }
  .as-linea .distributors--tech { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .as-dl__list { padding-inline: 16px; }
  .as-form__grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .as-form__short { max-width: none; }
  .as-form__submit .button { width: 100%; }
  .as-done__list div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .as-done__actions .button { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  .as-index a:hover .as-index__go { transform: rotate(90deg); }
}