/* The IT page owns its equipment map; shared site styles remain independent. */
.it-infrastructure { --infra-blue: #80BBFC; --infra-warm: #FFA164; }
.it-infrastructure::before { background: radial-gradient(ellipse at 20% 28%, rgba(103,169,243,.075), transparent 50%), radial-gradient(ellipse at 58% 9%, rgba(255,134,47,.035), transparent 50%); }
.infra-page-container { padding-block: 30px 92px; }
.infra-page-container > .breadcrumbs { margin-bottom: 34px; }
.infra-explorer { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 0 44px; align-items: start; }
.infra-console { grid-column: 1; grid-row: 1 / span 2; position: sticky; top: 106px; min-width: 0; margin: 0; }
.infra-map-caption { display: flex; gap: 10px; align-items: center; font: 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); }
.infra-map-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--it); box-shadow: 0 0 0 4px var(--it-soft); flex: none; }
.infra-map-code { margin-left: auto; color: var(--accent); font-size: 19px; }
.infra-map-hint { font-size: 12px; color: var(--mute); margin-top: 10px; }
.infra-stage { position: relative; margin-top: 8px; isolation: isolate; scroll-margin-top: 112px; --node-color: var(--it); }
.equipment-art { position: relative; height: clamp(260px, calc(100vh - 420px), 490px); isolation: isolate; }
.equipment-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; visibility: hidden; transform: translateY(10px) scale(.97); transition: opacity 450ms ease, transform 500ms var(--ease), visibility 0s 450ms; }
.equipment-image.is-active { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.infra-current { padding: 17px 0; border-top: 1px solid var(--border); }
.infra-current > span { font: 9px var(--mono); color: var(--mute); text-transform: uppercase; letter-spacing: .12em; }
.infra-current a { margin-top: 8px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 16px; font-weight: 500; }
.infra-current a > span:last-child { color: var(--it); }
.infra-map-footnote { color: var(--mute); font-size: 11px; }
.infra-content { grid-column: 2; grid-row: 2; min-width: 0; }
.infra-overview { grid-column: 2; grid-row: 1; min-width: 0; }
.infra-overview > .section-label { font-size: 10px; margin-bottom: 22px; }
.infra-overview h1 { font-size: clamp(34px, 3.3vw, 46px); line-height: 1.08; letter-spacing: -.045em; }
.infra-overview .lead { font-size: 16px; color: var(--dim); line-height: 1.75; margin-top: 25px; max-width: 54ch; }
.infra-overview .hero-cta { gap: 10px; margin-block: 26px; }
.infra-overview .btn { font-size: 13px; padding: 13px 18px; }
.infra-chapters { display: flex; flex-wrap: wrap; gap: 7px 16px; border-block: 1px solid var(--border); padding-block: 15px; }
.infra-chapters a { color: var(--mute); font-size: 11px; padding-block: 4px; }
.infra-chapters a:hover, .infra-chapters a[aria-current] { color: var(--text); }
.infra-branch { margin-top: 58px; scroll-margin-top: 118px; }
.infra-branch-heading { margin-bottom: 27px; }
.infra-branch-heading .section-label { font-size: 9px; margin-bottom: 15px; color: var(--mute); letter-spacing: .07em; }
.infra-branch-heading .section-label .ui-icon { width: 18px; height: 18px; }
.infra-branch-heading h2 { font-size: clamp(25px, 2.5vw, 32px); max-width: 23ch; }
.infra-branch-heading .sec-lead { font-size: 14px; line-height: 1.75; }
.infra-card { --node-color: var(--it); --card-accent: var(--it); position: relative; margin-bottom: 20px; border: 1px solid var(--border); border-radius: 22px; background: linear-gradient(130deg, rgba(36,41,50,.7), rgba(24,27,32,.8)); padding: 27px; scroll-margin-top: 118px; transition: border-color 400ms, background 400ms, box-shadow 400ms; }
.infra-card-image { display: none; }
.infra-card.infra-orange { --node-color: var(--accent); --card-accent: var(--accent); }
.infra-card.is-active { border-color: var(--node-color); background: linear-gradient(130deg, var(--surface-2), var(--bg-2)); box-shadow: 0 0 30px -18px var(--node-color); }
.infra-card:focus { outline: none; }
.infra-card:focus-visible { outline: 2px solid var(--node-color); outline-offset: 5px; }
.infra-kicker { display: block; font: 9px var(--mono); letter-spacing: .07em; text-transform: uppercase; color: var(--node-color); margin-bottom: 18px; }
.infra-card-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.infra-card-icon { display: grid; place-items: center; flex: none; width: 44px; height: 44px; border: 1px solid var(--border-2); background: var(--bg-2); border-radius: 15px; color: var(--node-color); }
.infra-card-icon .ui-icon { width: 23px; height: 23px; }
.infra-card h3, .infra-card-title { font-size: 21px; line-height: 1.2; font-weight: 600; letter-spacing: -.02em; }
.infra-card p { color: var(--dim); font-size: 15px; line-height: 1.75; }
.infra-card .service-list { margin-top: 15px; font-size: 13px; }
.infra-card .service-list li::marker { color: var(--node-color); }
.infra-card .project-link { margin-top: 22px; }
.infra-back-link { display: none; }
.infra-sequence { list-style: none; padding: 0; }
.infra-question { padding: 22px; }
.infra-question summary { gap: 14px; padding: 0; }
.infra-question summary > .infra-card-icon { font-size: inherit; color: var(--node-color); }
.infra-question summary > .infra-card-title { font-family: var(--font); font-size: 16px; color: var(--text); flex: 1; }
.infra-question summary > .infra-question-plus { font-size: 22px; color: var(--node-color); }
.infra-question[open] summary > .infra-card-icon, .infra-question[open] summary > .infra-card-title { transform: none; }
.infra-question p { padding-block: 20px 0; }
.it-infrastructure .cta-panel.is-active { border-color: var(--accent); }
@media (min-width: 1021px) and (max-height: 820px) {
  .infra-console { top: 96px; }
  .infra-stage { max-width: min(490px, calc(100vh - 245px)); margin-inline: auto; }
  .infra-map-hint, .infra-map-footnote { font-size: 10px; }
  .infra-current { padding-block: 12px; }
}
@media (max-width: 1180px) and (min-width: 1021px) {
  .infra-explorer { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 34px; }
  .infra-overview h1 { font-size: 35px; }
  .infra-overview .btn { font-size: 12px; padding-inline: 14px; }
}
@media (max-width: 1020px) {
  .infra-explorer { display: flex; flex-direction: column; gap: 35px; }
  .infra-console { display: none; }
  .infra-content { display: contents; }
  .infra-overview { order: 0; width: 100%; }
  .infra-overview h1 { font-size: clamp(36px, 6vw, 51px); }
  .infra-branch { order: 2; width: 100%; margin-top: 10px; }
  .infra-stage { max-width: 600px; margin-inline: auto; }
  .infra-current, .infra-map-footnote { max-width: 600px; margin-inline: auto; }
  .infra-map-footnote { margin-top: 0; }
  .infra-card { padding: 25px; }
  .infra-card-image { display: block; width: 100%; max-width: 340px; height: 230px; object-fit: contain; margin: 0 auto 22px; }
}
@media (min-width: 1021px) and (max-height: 679px) { .infra-console { position: static; } }
@media (max-width: 620px) {
  .infra-page-container { padding-top: 24px; }
  .infra-page-container > .breadcrumbs { margin-bottom: 32px; }
  .infra-overview h1 { font-size: clamp(28px, 7.7vw, 41px); }
  .infra-overview .lead { font-size: 15px; }
  .infra-overview .hero-cta { gap: 8px; }
  .infra-overview .btn { padding: 12px 14px; font-size: 12px; }
  .infra-chapters { gap: 6px 14px; }
  .infra-chapters a { font-size: 10px; }
  .infra-map-caption { font-size: 8px; gap: 8px; }
  .infra-map-code { font-size: 16px; }
  .infra-map-hint { font-size: 10px; max-width: 35ch; }
  .infra-current a { font-size: 14px; }
  .infra-current > span { font-size: 8px; }
  .infra-card { padding: 23px 21px; border-radius: 19px; }
  .infra-card h3 { font-size: 20px; }
  .infra-card-head { gap: 13px; align-items: flex-start; }
  .infra-card p { font-size: 14px; }
  .infra-card-icon { width: 38px; height: 38px; border-radius: 12px; }
  .infra-question { padding: 20px 16px; }
  .infra-card-image { height: 200px; }
  .infra-question summary { gap: 10px; }
  .infra-question summary > .infra-card-title { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  .equipment-image { transform: none; }
}

@media (max-width: 1020px) {
  .equipment-art { height: auto; aspect-ratio: 1; }
}