/* PERSPECTIVA AR: shared product interface, September 2026. */
html { --pro-action: #202329; --pro-action-hover: #353b45; --pro-on-action: #fff; }
html[data-bim-theme="dark"] { --pro-action: #f3f5f8; --pro-action-hover: #dfe3e8; --pro-on-action: #171a20; }
html body { -webkit-font-smoothing: antialiased; }
html body .bi-page { --bi-navy: var(--bi-ink); --bi-bg: var(--bi-paper); --bi-line: #dfe3e8; --bi-muted: #67717d; }
html[data-bim-theme="dark"] body .bi-page { --bi-line: #3b424c; --bi-muted: #b3bdca; }
html body :is(.header-premium,.header-premium::before) { box-shadow: none; }
html body .header-premium .header-nav { gap: 28px; }
html body .header-premium .header-nav a:not(.btn-nav) { font-size: 13px; font-weight: 550; }
html body :is(.header-premium .btn-nav,.bim-scroll-hero__actions .btn-primary,.bi-btn--primary,.bim-floating-btn,#bi-guide .bg-primary,.converter-submit,#btnConvert,.converter-page .btn-download,.bi-terms-short .btn),
html body .bim-ui-button:not(.bim-ui-button--secondary):not(.bim-ui-button--ghost),
html body .bil #bil-pay:not(:disabled),html body #bi-support .wpcf7 :is(input[type=submit],button[type=submit]),html body #bil-invoice button[type=submit] {
    background: var(--pro-action)!important; color: var(--pro-on-action)!important;
    border: 1px solid transparent; border-radius: 8px!important; box-shadow: none!important;
    font-weight: 600; letter-spacing: -.015em; text-shadow: none;
}
html body :is(.header-premium .btn-nav,.bim-scroll-hero__actions .btn-primary,.bi-btn--primary,.bim-floating-btn,#bi-guide .bg-primary,.converter-submit,#btnConvert,.converter-page .btn-download):hover:not(:disabled) {
    background: var(--pro-action-hover)!important; color: var(--pro-on-action)!important;
}
html body .header-premium .header-nav a.btn-nav { padding: 8px 14px; min-height: 36px; font-size: 12px; }
html body :is(.bi-btn,.bim-ui-button,.bim-scroll-hero__actions>a) { min-height: 48px; padding: 13px 22px; font-size: 14px; line-height: 1.4; }
html body :is(.bi-btn--ghost,.bi-btn--outline,.bim-ui-button--secondary,#bi-guide .bg-secondary) { border-radius: 8px; border-color: var(--bi-line); }
html body .bim-scroll-hero__actions .btn-animated-border { border-radius: 8px!important; border-color: var(--bi-line)!important; color: var(--bi-ink)!important; background: transparent!important; }
html body .bim-scroll-hero__actions .btn-animated-border::before,html body .bim-scroll-hero__actions .btn-animated-border::after { display: none!important; }
html body #bim-scroll-hero .bim-scroll-hero__intro { padding-top: 112px; padding-bottom: 36px; }
html body #bim-scroll-hero .bim-scroll-hero__intro-inner { max-width: 1040px; }
html body .perspectiva-eyebrow { margin: 0 0 20px; color: var(--bi-muted); font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
html body #bim-scroll-hero .bim-scroll-hero__title { font-size: clamp(38px,4.5vw,64px); font-weight: 650; line-height: 1.08; letter-spacing: -.045em; color: var(--bi-ink); background: none; -webkit-text-fill-color: currentColor; }
html body #bim-scroll-hero .bim-scroll-hero__title::after { display: none; }
html body #bim-scroll-hero .bim-scroll-hero__subtitle { max-width: 580px; font-size: 17px; line-height: 1.6; color: var(--bi-muted); margin-top: 24px; }
html body #bim-scroll-hero .bim-scroll-hero__actions { gap: 12px; margin-top: 28px; }
html body .perspectiva-hero-meta { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 12px; margin: 22px 0 0; color: var(--bi-muted); font-size: 11px; letter-spacing: .01em; }
html body .perspectiva-hero-meta span { color: var(--bi-line); }
html body #bim-scroll-hero:not(.bim-hero--fallback):not(.bim-hero--reduced) .bim-scroll-hero__stage { height: 720svh; }
html body .bim-floating-cta-inner { border-radius: 10px; box-shadow: none; }
html body .bi-page :is(.bi-section,.bi-value) { padding-top: 88px; padding-bottom: 88px; }
html body .bi-page .bi-title { font-size: clamp(30px,3.25vw,46px); line-height: 1.15; letter-spacing: -.035em; font-weight: 600; }
html body .bi-page .bi-title :is(span,.bi-gradient) { color: inherit; background: none; -webkit-text-fill-color: currentColor; }
html body .bi-page .bi-lead { font-size: 17px; line-height: 1.65; color: var(--bi-muted); max-width: 640px; }
html body :is(.bi-section-label,.bi-scenario-tag,.bi-eyebrow) { color: var(--bi-muted); font-size: 11px; font-weight: 600; letter-spacing: .1em; }
html body :is(.bi-feature,.bi-scenario,.bi-price-card,.bi-converter-side,.bi-workflow,.bi-value-card,.bi-download-proof__grid) {
    background: var(--bi-surface); border: 1px solid var(--bi-line); border-radius: 12px;
    box-shadow: none; transform: none;
}
html body .bi-feature { padding: 28px; }
html body .bi-feature:hover { transform: none; box-shadow: none; border-color: var(--bi-accent); }
html body :is(.bi-feature-icon,.bi-value-icon,.bi-step-number) { width: 36px; height: 36px; border-radius: 6px; box-shadow: none; background: var(--bi-paper); color: var(--bi-ink); }
html body .bi-feature-icon svg { width: 22px; height: 22px; }
html body :is(.bi-feature h3,.bi-scenario h3) { font-size: 19px; font-weight: 600; line-height: 1.3; }
html body .bi-scenario::after { display: none; }
html body .bi-page :is(.bi-scenario p,.bi-scenario li,.bi-feature p,.bi-value-item p) { color: var(--bi-muted); }
html body .bi-price-card--featured { border-color: var(--bi-accent); background: var(--bi-surface); box-shadow: none; }
html body :is(.bi-pill,.bi-scenario-tag,.bi-price-badge) { border-radius: 4px; }
html body :is(.bi-converter-side,.bi-workflow) { padding: 28px; }
html body :is(.bi-price-name,.bi-price-amount) { letter-spacing: -.035em; }
html body :is(.bi-modal,.bim-cookie-settings,.bim-mobile-menu) { border-radius: 12px; }
html body :is(.bi-form-group input,.bi-form-group textarea,.converter-page input:not([type=checkbox]),.converter-page select) { border-radius: 8px; border-color: var(--bi-line); }
html body .converter-page .drop-zone { background: var(--bi-paper); border-radius: 12px; }
html body .converter-page .drop-icon { background: var(--bi-surface); color: var(--bi-ink); box-shadow: none; border-radius: 8px; }
html body .bim-cookie-banner { border-radius: 10px; box-shadow: 0 8px 32px rgb(0 0 0 / 8%); }
html body .bim-cookie-banner :is(p,.bim-cookie-copy) { font-size: 12px; line-height: 1.6; }
html body .bim-cookie-banner button { border-radius: 6px; }
html body .site-footer { background: #171a20; border-color: #3b424c; }
html body :is(#bi-guide,.bim-ifc-formats,.converter-page) :is(h1,h2,h3) { letter-spacing: -.035em; }
@media (min-width: 1100px) {
    html body #bim-scroll-hero .bim-scroll-hero__intro {
        height: max(700px,100svh); padding: 104px 0 64px;
        display: flex; align-items: center; background: transparent!important;
        pointer-events: none; box-sizing: border-box;
    }
    html body #bim-scroll-hero .bim-scroll-hero__intro-inner {
        width: min(1240px,calc(100% - 64px)); max-width: none; text-align: left;
    }
    html body #bim-scroll-hero .bim-scroll-hero__title { max-width: 560px; margin-left: 0; margin-right: 0; font-size: clamp(44px,3.7vw,54px); }
    html body #bim-scroll-hero .bim-scroll-hero__subtitle { max-width: 470px; margin: 24px 0 0; }
    html body #bim-scroll-hero .bim-scroll-hero__actions { justify-content: flex-start; pointer-events: auto; width: fit-content; }
    html body #bim-scroll-hero .perspectiva-hero-meta { justify-content: flex-start; }
    html body #bim-scroll-hero:is([data-hero-state="ready"],.bim-hero--loading) .bim-scroll-hero__stage { margin-top: calc(-1 * max(700px,100svh)); }
    html body #bim-scroll-hero:is(.bim-hero--static,.bim-hero--unavailable) .bim-scroll-hero__intro { height: auto; min-height: 0; padding-top: 140px; padding-bottom: 64px; }
}
@media (max-width: 768px) {
    html body #bim-scroll-hero .bim-scroll-hero__intro { padding-top: 94px; padding-bottom: 28px; }
    html body #bim-scroll-hero .bim-scroll-hero__intro-inner { width: calc(100% - 40px); }
    html body #bim-scroll-hero .bim-scroll-hero__title { font-size: clamp(30px,7.3vw,42px); line-height: 1.12; }
    html body .perspectiva-eyebrow { font-size: 10px; margin-bottom: 16px; }
    html body #bim-scroll-hero .bim-scroll-hero__subtitle { font-size: 15px; line-height: 1.6; margin-top: 20px; }
    html body #bim-scroll-hero .bim-scroll-hero__actions { margin-top: 24px; gap: 10px; }
    html body .perspectiva-hero-meta { gap: 7px; font-size: 10px; margin-top: 18px; }
    html body #bim-scroll-hero:not(.bim-hero--fallback):not(.bim-hero--reduced) .bim-scroll-hero__stage { height: 650svh; }
    html body .bi-page :is(.bi-section,.bi-value) { padding-top: 56px; padding-bottom: 56px; }
    html body .bi-page .bi-title { font-size: clamp(28px,7.2vw,36px); }
    html body .bi-page .bi-lead { font-size: 15px; }
    html body :is(.bi-feature,.bi-scenario,.bi-converter-side,.bi-workflow) { padding: 22px; }
    html body .bim-cookie-banner { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
    html body #bim-scroll-hero .bim-scroll-hero__stage { height: auto!important; }
}
/* Shared accents, including sections that keep a dark surface in both themes. */
html { --bi-accent-on-dark: #bc98ff; --bi-accent-on-dark-hover: #dac7ff; --bi-blue-hover: var(--bi-accent-hover); }
html body .bi-page { --bi-blue: var(--bi-accent); --bi-blue-hover: var(--bi-accent-hover); }
html body .bi-audience-icon { color: var(--bi-accent-on-dark); background: none; box-shadow: none; }
html body .bi-converter-main .bi-converter-guide a { color: var(--bi-accent-on-dark); }
html body .bi-converter-main .bi-converter-guide a:hover { color: var(--bi-accent-on-dark-hover); }

/* Footer: one navigation hierarchy and one native underline on interaction. */
html body .site-footer {
    position: relative; isolation: isolate; overflow: hidden;
    padding: 64px 0 28px; background: var(--bi-night); color: var(--bi-night-text);
    border-top: 1px solid var(--bi-line-dark);
}
html body .site-footer::before { content: none; }
html body .site-footer::after {
    content: ''; display: block; position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background: url('images/arcam-footer-word.svg') center bottom / 98% auto no-repeat;
    opacity: .045; filter: grayscale(1) brightness(0) invert(1);
}
html body .site-footer .container { max-width: 1240px; margin: 0 auto; padding: 0 32px; position: relative; }
html body .site-footer .footer-top { display: grid; grid-template-columns: minmax(230px,.9fr) minmax(0,2fr); gap: 56px; padding-bottom: 44px; border-bottom: 1px solid var(--bi-line-dark); }
html body .site-footer .footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
html body .site-footer .footer-description { margin: 0; max-width: 30ch; color: var(--bi-night-muted); font-size: 14px; line-height: 1.7; }
html body .site-footer .footer-nav { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 32px; min-width: 0; }
html body .site-footer .footer-nav-column { min-width: 0; }
html body .site-footer .footer-nav-title { margin: 0 0 16px; color: var(--bi-night-text); font: 600 13px/1.4 var(--bi-font); letter-spacing: .01em; text-transform: none; opacity: 1; }
html body .site-footer .footer-nav-list { display: flex; flex-direction: column; gap: 2px; list-style: none; padding: 0; margin: 0; }
html body .site-footer .footer-nav-list li { margin: 0; }
html body .site-footer :is(.footer-nav-list a,.footer-service-links a,.footer-service-links button) {
    display: inline-block; padding: 7px 0; margin: 0; border: 0; border-radius: 0;
    background: none; box-shadow: none; color: var(--bi-night-muted);
    font: 400 13px/1.55 var(--bi-font); text-align: left; text-decoration: none;
    text-underline-offset: 4px; text-decoration-thickness: 1px; cursor: pointer; transition: color .16s;
}
html body .site-footer :is(.footer-nav-list a,.footer-service-links a,.footer-service-links button)::after { content: none; display: none; }
html body .site-footer :is(.footer-nav-list a,.footer-service-links a,.footer-service-links button):is(:hover,:focus-visible) { color: var(--bi-accent-on-dark); text-decoration: underline; }
html body .site-footer :is(a,button):focus-visible { outline: 2px solid var(--bi-accent-on-dark); outline-offset: 4px; }
html body .site-footer .perspectiva-brand { text-decoration: none; }
html body .site-footer .footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 32px; padding-top: 20px; }
html body .site-footer .footer-copyright { color: var(--bi-night-muted); font: 400 12px/1.6 var(--bi-font); }
html body .site-footer .footer-service-links { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 24px; }
html body .site-footer .footer-service-links :is(a,button) { font-size: 12px; }
@media (max-width: 1000px) {
    html body .site-footer .footer-top { grid-template-columns: 1fr; gap: 36px; }
    html body .site-footer .footer-brand { gap: 14px; }
}
@media (max-width: 600px) {
    html body .site-footer { padding: 40px 0 24px; }
    html body .site-footer .container { padding: 0 24px; }
    html body .site-footer .footer-top { gap: 32px; padding-bottom: 28px; }
    html body .site-footer .footer-nav { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px 20px; }
    html body .site-footer .footer-nav-column--documents { grid-column: 1 / -1; }
    html body .site-footer .footer-nav-column--documents .footer-nav-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 20px; align-items: start; }
    html body .site-footer .footer-nav-title { margin-bottom: 10px; }
    html body .site-footer .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
    html body .site-footer .footer-service-links { gap: 0 20px; }
}
@media (prefers-reduced-motion: reduce) {
    html body .site-footer :is(a,button) { transition: none; }
}

/* Download details is a native summary, with the same dark-surface link accent. */
html body .bi-download-proof__details summary {
    color: var(--bi-accent-on-dark); text-decoration-color: currentColor;
}
html body .bi-download-proof__details summary:hover { color: var(--bi-accent-on-dark-hover); }
html body .bi-download-proof__details summary:focus-visible { outline-color: var(--bi-accent-on-dark); }

/* Role descriptions slide within their cards, keeping the surrounding grid stable. */
html body .bi-page .bi-audience[data-audience-card] {
    display: grid; grid-template-columns: minmax(0,1fr); grid-template-rows: 1fr;
    align-items: stretch; gap: 0; padding: 0; min-height: 156px; overflow: hidden;
    border-radius: 12px; transition: border-color .2s;
}
html body .bi-audience[data-audience-card].is-open { border-color: #7851b3; }
html body .bi-audience[data-audience-card] .bi-audience-heading { grid-area: 1 / 1; margin: 0; min-width: 0; }
html body .bi-audience-toggle {
    display: grid; grid-template-columns: 30px minmax(0,1fr) 16px; align-items: center; gap: 16px;
    width: 100%; height: 100%; padding: 24px; border: 0; border-radius: 11px;
    background: none; color: var(--bi-night-text); text-align: left;
    font: 600 18px/1.35 var(--bi-font); letter-spacing: -.02em; cursor: pointer;
}
html body .bi-audience-toggle .bi-audience-icon { width: 30px; height: 30px; }
html body .bi-audience-toggle .bi-audience-icon svg { width: 24px; height: 24px; }
html body .bi-audience-cue { width: 16px; height: 16px; color: var(--bi-accent-on-dark); }
html body .bi-audience-toggle:focus-visible { outline: 2px solid var(--bi-accent-on-dark); outline-offset: -4px; }
html body .bi-audience-panel {
    position: relative; grid-area: 1 / 1; z-index: 1; align-self: stretch;
    display: flex; flex-direction: column; justify-content: center; gap: 10px;
    padding: 22px 24px; background: #2c2539; border-left: 3px solid var(--bi-accent-on-dark);
    transform: translateX(-102%); visibility: hidden; pointer-events: none;
    transition: transform .3s cubic-bezier(.22,.68,0,1), visibility 0s .3s;
}
html body .bi-audience-panel-title { padding-right: 20px; color: var(--bi-accent-on-dark); font: 550 12px/1.45 var(--bi-font); }
html body .bi-page .bi-audience .bi-audience-panel p { margin: 0; color: var(--bi-night-text); font: 400 14px/1.55 var(--bi-font); }
html body .bi-audience-close { position: absolute; right: 18px; top: 18px; width: 14px; height: 14px; color: var(--bi-accent-on-dark); }
html body .bi-audience[data-audience-card].is-open .bi-audience-panel { transform: translateX(0); visibility: visible; transition-delay: 0s; }
html body .bi-audience[data-audience-card]:has(.bi-audience-toggle:focus-visible) { outline: 2px solid var(--bi-accent-on-dark); outline-offset: 3px; }
@media (max-width: 600px) {
    html body .bi-audience-toggle { padding: 22px 20px; gap: 12px; font-size: 18px; }
    html body .bi-audience-panel { padding: 22px 20px; }
}
@media (prefers-reduced-motion: reduce) {
    html body .bi-audience[data-audience-card], html body .bi-audience-panel { transition: none; }
}

/* At desktop entry the phone is centered at 70vw; its loader shares that position. */
@media (min-width: 1100px) {
    html body #bim-scroll-hero .bim-hero-loader { left: 40%; padding-top: 0; place-items: center; }
}
html body .bi-shot picture { display: block; width: 100%; height: 100%; }
html body .bi-lightbox-picture { display: flex; width: 100%; height: 100%; align-items: center; justify-content: center; }

/* Annual tariff offer, shared by the landing cards and team picker. */
html body .bi-price-offer { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin: 10px 0 8px; }
html body .bi-price-offer del { color: var(--bi-muted); font-size: 14px; font-weight: 500; text-decoration-thickness: 1px; }
html body .bi-price-offer > span { padding: 3px 7px; border-radius: 4px; background: var(--bi-accent-soft); color: var(--bi-accent); font-size: 11px; font-weight: 650; line-height: 1.4; }
html body .bi-tariff-saving { color: var(--bi-accent); font-size: 13px; line-height: 1.5; }
html body .bi-price-card > .bi-tariff-saving { margin: 12px 0 0; }
html body .bi-corp-row .bi-tariff-saving { color: var(--bi-accent); font-size: 12px; }
html body .bi-corp-price .bi-price-offer { justify-content: flex-end; margin-top: 0; }
@media (max-width: 580px) {
    html body .bi-corp-price .bi-price-offer { justify-content: flex-start; }
}