:root {
  --opo-ink: #101b31;
  --opo-text: #53647b;
  --opo-muted: #718096;
  --opo-line: #d6e0e8;
  --opo-soft: #f4f7f9;
  --opo-paper: #fbf8f1;
  --opo-red: #dc3545;
  --opo-red-soft: #fff0f2;
  --opo-blue: #245a91;
  --opo-green: #2d6f61;
}
body[data-city-pilot="opole-specification-pantograph-v2"],
body[data-city-pilot="opole-specification-pantograph-v2"] #main-content { background: #fff; color: var(--opo-ink); }
body[data-city-pilot="opole-specification-pantograph-v2"] * { box-sizing: border-box; }
.opo-shell { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }
.opo-kicker { margin: 0 0 .78rem; color: var(--opo-red); font-size: .74rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.opo-button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: .72rem; padding: .82rem 1.14rem; border: 1px solid var(--opo-ink); border-radius: .72rem; font-size: .88rem; font-weight: 800; text-decoration: none; transition: transform 160ms ease, background-color 160ms ease, color 160ms ease; }
.opo-button:hover { transform: translateY(-2px); }
.opo-button:focus-visible,.opo-faq summary:focus-visible { outline: 3px solid rgba(36,90,145,.32); outline-offset: 3px; }
.opo-button--primary { background: var(--opo-ink); color: #fff; }
.opo-button--quiet { border-color: var(--opo-line); background: #fff; color: var(--opo-ink); }
.opo-nowrap { white-space: nowrap; }
.opo-mechanism,.opo-evidence,.opo-delivery,.opo-faq,#kalkulator { scroll-margin-top: 96px; }
.opo-hero { padding: 7rem 0 2.6rem; border-bottom: 1px solid var(--opo-line); background: radial-gradient(circle at 15% 20%,rgba(220,53,69,.055),transparent 28%),linear-gradient(180deg,#fff,#fbfcfd); }
.opo-hero__grid { display: grid; grid-template-columns: minmax(0,.84fr) minmax(0,1.16fr); gap: clamp(2rem,4.7vw,4.5rem); align-items: center; }
.opo-hero__copy { min-width: 0; }
.opo-hero h1 { max-width: 10.4ch; margin: 0; font-size: clamp(2.7rem,5.3vw,4.75rem); line-height: .98; letter-spacing: -.055em; }
.opo-hero h1 em { color: var(--opo-red); font-style: normal; }
.opo-hero__lead { max-width: 37rem; margin: 1.2rem 0 0; color: var(--opo-text); font-size: clamp(1rem,1.5vw,1.18rem); line-height: 1.62; }
.opo-hero__actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.45rem; }
.opo-hero__manifest { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); margin: 1.7rem 0 0; border-top: 1px solid var(--opo-line); border-bottom: 1px solid var(--opo-line); }
.opo-hero__manifest div { min-width: 0; padding: .78rem .8rem .78rem 0; }
.opo-hero__manifest div:nth-child(even) { padding-left: .85rem; border-left: 1px solid var(--opo-line); }
.opo-hero__manifest div:nth-child(n+3) { border-top: 1px solid var(--opo-line); }
.opo-hero__manifest dt { color: var(--opo-red); font-size: .66rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.opo-hero__manifest dd { margin: .25rem 0 0; color: var(--opo-ink); font-size: .83rem; font-weight: 700; }
.opo-hero__visual { width: 100%; min-width: 0; margin: 0; border: 1px solid var(--opo-line); border-radius: 1.25rem; overflow: hidden; background: #f5f6f6; box-shadow: 0 24px 54px rgba(16,27,49,.12); }
.opo-hero__visual picture { display: block; }
.opo-hero__visual img { display: block; width: 100%; height: auto; aspect-ratio: 1280/760; object-fit: contain; }
.opo-hero__visual figcaption { display: flex; justify-content: space-between; gap: 1rem; padding: .84rem 1rem; border-top: 1px solid var(--opo-line); background: #fff; color: var(--opo-muted); font-size: .74rem; }
.opo-hero__visual figcaption strong { color: var(--opo-ink); }
.opo-mechanism { padding: clamp(3rem,6vw,5.6rem) 0; background: #fff; }
.opo-mechanism__grid { display: grid; grid-template-columns: minmax(0,.72fr) minmax(0,1.28fr); grid-template-areas: "intro steps" "trade steps"; gap: 1.5rem clamp(2rem,5vw,5rem); align-items: start; }
.opo-mechanism header { grid-area: intro; }
.opo-mechanism h2,.opo-evidence h2,.opo-delivery h2,.opo-stack h2,.opo-faq h2 { margin: 0; font-size: clamp(2rem,3.8vw,3.55rem); line-height: 1.02; letter-spacing: -.045em; }
.opo-mechanism header>p:last-child,.opo-delivery header>p:last-child,.opo-faq header>p:last-of-type { margin: 1rem 0 0; color: var(--opo-text); line-height: 1.65; }
.opo-mechanism__steps { grid-area: steps; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--opo-line); }
.opo-mechanism__steps li { display: grid; grid-template-columns: 3.1rem minmax(0,1fr); gap: 1rem; padding: 1.35rem 0; border-bottom: 1px solid var(--opo-line); }
.opo-mechanism__steps li>span { color: var(--opo-red); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.opo-mechanism__steps strong { display: block; color: var(--opo-ink); font-size: 1.08rem; }
.opo-mechanism__steps p { margin: .38rem 0 0; color: var(--opo-text); line-height: 1.55; }
.opo-mechanism__tradeoff { grid-area: trade; padding: 1rem 1.05rem; border-left: 4px solid var(--opo-red); background: var(--opo-red-soft); color: #81404a; }
.opo-mechanism__tradeoff strong { display: block; color: var(--opo-red); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.opo-mechanism__tradeoff p { margin: .4rem 0 0; line-height: 1.55; }
.opo-evidence { padding: clamp(3rem,5.5vw,5rem) 0; border-block: 1px solid var(--opo-line); background: var(--opo-soft); }
.opo-evidence__grid { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: clamp(2rem,6vw,6rem); }
.opo-evidence__body { min-width: 0; }
.opo-evidence__body>p { margin: 0; color: var(--opo-text); font-size: 1.04rem; line-height: 1.72; }
.opo-evidence__body aside { display: grid; grid-template-columns: 9rem minmax(0,1fr); gap: 1rem; margin-top: 1.4rem; padding: 1rem 0; border-block: 1px solid var(--opo-line); }
.opo-evidence__body aside strong { color: var(--opo-red); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.opo-evidence__body aside span { color: var(--opo-text); line-height: 1.55; }
.opo-evidence__body>a { display: inline-flex; margin-top: 1.1rem; color: var(--opo-ink); font-weight: 800; text-decoration: none; }
.opo-evidence__body>a:hover { color: var(--opo-red); }
body[data-city-pilot="opole-specification-pantograph-v2"] #kalkulator { padding-block: clamp(2.6rem,5vw,4.5rem); background: #f5f7f9; }
.opo-delivery { padding: clamp(3rem,6vw,5.4rem) 0; background: #fff; }
.opo-delivery__grid { display: grid; grid-template-columns: minmax(0,.72fr) minmax(0,1.28fr); gap: clamp(2rem,5vw,5rem); align-items: start; }
.opo-delivery ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--opo-line); }
.opo-delivery li { display: grid; grid-template-columns: 2.7rem minmax(0,1fr) minmax(10rem,.65fr); gap: 1rem; align-items: start; padding: 1.18rem 0; border-bottom: 1px solid var(--opo-line); }
.opo-delivery li>span { color: var(--opo-red); font-size: .75rem; font-weight: 800; }
.opo-delivery li strong { color: var(--opo-ink); font-size: 1rem; }
.opo-delivery li p { margin: .32rem 0 0; color: var(--opo-text); line-height: 1.5; }
.opo-delivery li b { color: var(--opo-green); font-size: .78rem; line-height: 1.45; }
.opo-stack { padding: 2.7rem 0; border-block: 1px solid var(--opo-line); background: var(--opo-paper); }
.opo-stack__grid { display: grid; grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); gap: 3rem; align-items: center; }
.opo-stack h2 { font-size: clamp(1.8rem,3.1vw,3rem); }
.opo-stack ul { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin: 0; padding: 0; list-style: none; border: 1px solid var(--opo-line); background: #fff; }
.opo-stack li { min-width: 0; padding: 1rem .75rem; text-align: center; }
.opo-stack li+li { border-left: 1px solid var(--opo-line); }
.opo-stack .iconify { display: block; width: 28px; height: 28px; margin: 0 auto .55rem; }
.opo-stack strong { display: block; color: var(--opo-ink); font-size: .82rem; }
.opo-stack small { display: block; margin-top: .22rem; color: var(--opo-muted); font-size: .67rem; }
.opo-faq { padding: clamp(3rem,6vw,5.2rem) 0; background: #fff; }
.opo-faq__grid { display: grid; grid-template-columns: minmax(0,.72fr) minmax(0,1.28fr); gap: clamp(2rem,5vw,5rem); align-items: start; }
.opo-faq header .opo-button { margin-top: 1.25rem; }
.opo-faq__list { border-top: 1px solid var(--opo-line); }
.opo-faq details { border-bottom: 1px solid var(--opo-line); }
.opo-faq summary { display: grid; grid-template-columns: 2.4rem minmax(0,1fr) 1.5rem; gap: 1rem; align-items: center; min-height: 64px; padding: .75rem 0; cursor: pointer; list-style: none; }
.opo-faq summary::-webkit-details-marker { display: none; }
.opo-faq summary span { color: var(--opo-red); font-size: .72rem; font-weight: 800; }
.opo-faq summary strong { color: var(--opo-ink); font-size: .95rem; }
.opo-faq summary i { position: relative; width: 20px; height: 20px; }
.opo-faq summary i::before,.opo-faq summary i::after { content: ""; position: absolute; inset: 9px 2px auto; height: 2px; background: var(--opo-red); }
.opo-faq summary i::after { transform: rotate(90deg); transition: transform 150ms ease; }
.opo-faq details[open] summary i::after { transform: rotate(0); }
.opo-faq details>div { padding: 0 2.5rem 1rem 3.4rem; color: var(--opo-text); line-height: 1.65; }
.opo-editorial { display: flex; width: min(1200px,calc(100% - 40px)); margin: 0 auto; padding: 1.2rem 0 1.45rem; justify-content: space-between; gap: 2rem; border-top: 1px solid var(--opo-line); color: var(--opo-muted); font-size: .74rem; }
.opo-editorial div { display: grid; gap: .25rem; }
.opo-editorial strong { color: var(--opo-ink); }
.opo-editorial nav { display: flex; max-width: 45rem; flex-wrap: wrap; justify-content: flex-end; gap: .55rem 1.15rem; }
.opo-editorial a { color: var(--opo-ink); font-weight: 700; text-decoration: none; }
.opo-editorial a:hover { color: var(--opo-red); }
@media (max-width:1080px) {
  .opo-hero { padding-top: 6.6rem; }
  .opo-hero__grid { grid-template-columns: minmax(0,.88fr) minmax(0,1.12fr); gap: 2rem; }
  .opo-hero h1 { font-size: clamp(2.55rem,5vw,3.7rem); }
  .opo-mechanism__grid,.opo-delivery__grid,.opo-faq__grid { gap: 2.4rem; }
  .opo-delivery li { grid-template-columns: 2.4rem minmax(0,1fr); }
  .opo-delivery li b { grid-column: 2; }
  .opo-stack__grid { grid-template-columns: 1fr; gap: 1.5rem; }
}
@media (max-width:820px) {
  .opo-shell { width: min(100% - 32px,720px); }
  .opo-hero { padding: 6.35rem 0 2.2rem; }
  .opo-hero__grid,.opo-mechanism__grid,.opo-evidence__grid,.opo-delivery__grid,.opo-faq__grid { grid-template-columns: 1fr; }
  .opo-hero__grid { gap: 1.8rem; }
  .opo-hero h1 { max-width: 12ch; font-size: clamp(2.55rem,8.5vw,4rem); }
  .opo-hero__visual { max-width: 660px; margin-inline: auto; }
  .opo-mechanism__grid { grid-template-areas: "intro" "steps" "trade"; }
  .opo-evidence__grid { gap: 1.5rem; }
  .opo-stack ul { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .opo-stack li:nth-child(3) { border-left: 0; border-top: 1px solid var(--opo-line); }
  .opo-stack li:nth-child(4) { border-top: 1px solid var(--opo-line); }
  .opo-editorial { width: min(100% - 32px,720px); flex-direction: column; gap: 1rem; }
  .opo-editorial nav { justify-content: flex-start; }
}
@media (max-width:700px) {
  .opo-hero__visual img { aspect-ratio: 720/1100; }
  .opo-hero__visual figcaption { flex-direction: column; gap: .22rem; }
}
@media (max-width:520px) {
  .opo-shell { width: calc(100% - 24px); }
  .opo-hero { padding-top: 5.9rem; }
  .opo-hero h1 { font-size: clamp(2.32rem,12.2vw,3.25rem); }
  .opo-hero__lead { font-size: .98rem; }
  .opo-hero__actions { display: grid; grid-template-columns: 1fr; }
  .opo-button { width: 100%; }
  .opo-hero__manifest { grid-template-columns: 1fr; }
  .opo-hero__manifest div,.opo-hero__manifest div:nth-child(even) { padding: .7rem 0; border-left: 0; }
  .opo-hero__manifest div+div { border-top: 1px solid var(--opo-line); }
  .opo-mechanism,.opo-evidence,.opo-delivery,.opo-faq { padding-block: 2.75rem; }
  .opo-mechanism h2,.opo-evidence h2,.opo-delivery h2,.opo-stack h2,.opo-faq h2 { font-size: clamp(1.9rem,9.5vw,2.55rem); }
  .opo-mechanism__steps li { grid-template-columns: 2.5rem minmax(0,1fr); }
  .opo-evidence__body aside { grid-template-columns: 1fr; gap: .45rem; }
  .opo-delivery li { grid-template-columns: 2.2rem minmax(0,1fr); }
  .opo-stack ul { grid-template-columns: 1fr; }
  .opo-stack li+li { border-left: 0; border-top: 1px solid var(--opo-line); }
  .opo-faq summary { grid-template-columns: 2rem minmax(0,1fr) 1.25rem; gap: .65rem; }
  .opo-faq details>div { padding: 0 1.5rem 1rem 2.65rem; }
  .opo-editorial { width: calc(100% - 24px); }
}
@media (prefers-reduced-motion:reduce) { .opo-button { transition: none; } .opo-button:hover { transform: none; } }
@media (forced-colors:active) { .opo-button,.opo-hero__visual,.opo-stack ul,.opo-mechanism__tradeoff { border: 1px solid CanvasText; } }