/* Offene Öffis — main stylesheet
   Archetype: public-transport wayfinding / Leitsystem
   Palette: steel-blue + burnt-orange on warm off-white; transit line-colors = functional status coding only
   Fonts: Albert Sans (display) + Work Sans (body), self-hosted */

/* ---------- self-hosted fonts ---------- */
@font-face{font-family:'Albert Sans';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/albert-sans-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Albert Sans';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/albert-sans-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Albert Sans';font-style:normal;font-weight:800;font-display:swap;src:url('../fonts/albert-sans-latin-800-normal.woff2') format('woff2')}
@font-face{font-family:'Work Sans';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/work-sans-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Work Sans';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/work-sans-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Work Sans';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/work-sans-latin-600-normal.woff2') format('woff2')}

/* ---------- tokens ---------- */
:root{
  --ink:#1e3a8a; --ink-deep:#15275e; --ink-soft:#36508f;
  --accent:#ea580c; --accent-deep:#c2410c;
  --paper:#faf8f5; --paper-2:#f2ede5; --paper-3:#ece5da;
  --text:#1c2330; --muted:#5a6478; --hair:#d8d0c4; --hair-strong:#c2b9aa;
  /* functional transit line-colors — status coding ONLY, never brand chrome */
  --l-red:#d23b3b; --l-green:#1f9d57; --l-blue:#2b6fd6; --l-violet:#8b5cf6; --l-amber:#d9941d; --l-teal:#0f9aa6; --l-pink:#d6479b; --l-slate:#64748b;
  --ok:#1f9d57; --warn:#d9941d; --off:#9aa1ad;
  --font-d:'Albert Sans',system-ui,sans-serif; --font-b:'Work Sans',system-ui,sans-serif;
  --wrap:1180px; --r:10px; --shadow:0 1px 0 var(--hair), 0 12px 30px -22px rgba(21,39,94,.5);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-b);color:var(--text);background:var(--paper);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-d);font-weight:800;line-height:1.08;color:var(--ink-deep);margin:0 0 .4em;letter-spacing:-.015em}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--accent)}
img,svg{max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--font-d);font-weight:700;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- header ---------- */
.oe-top{position:sticky;top:0;z-index:40;background:rgba(250,248,245,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--hair)}
.oe-top__in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.oe-brand{display:flex;align-items:center;gap:11px;font-family:var(--font-d);font-weight:800;font-size:1.18rem;color:var(--ink-deep);letter-spacing:-.02em}
.oe-brand:hover{color:var(--ink-deep)}
.oe-brand svg{display:block;width:34px;height:34px;flex:0 0 auto}
.oe-nav{display:flex;align-items:center;gap:6px}
.oe-nav a{font-family:var(--font-d);font-weight:600;font-size:.93rem;color:var(--ink-deep);padding:8px 12px;border-radius:7px}
.oe-nav a:hover{background:var(--paper-2);color:var(--accent)}
.oe-nav .oe-live{display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--ink);color:var(--ink);border-radius:999px;padding:6px 13px}
.oe-nav .oe-live:hover{background:var(--ink);color:#fff}
.oe-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(31,157,87,.5);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(31,157,87,.45)}70%{box-shadow:0 0 0 7px rgba(31,157,87,0)}100%{box-shadow:0 0 0 0 rgba(31,157,87,0)}}
.oe-burger{display:none;background:none;border:1.5px solid var(--hair-strong);border-radius:8px;width:42px;height:38px;cursor:pointer}

/* ---------- hero ---------- */
.oe-hero{position:relative;padding:62px 0 30px;overflow:hidden}
.oe-hero__route{position:absolute;inset:0;pointer-events:none;opacity:.5}
.oe-hero h1{font-size:clamp(2.5rem,6vw,4.3rem);max-width:14ch}
.oe-hero h1 .hl{color:var(--accent);position:relative;white-space:nowrap}
.oe-hero p.lead{font-size:1.25rem;color:var(--muted);max-width:46ch;margin:.2em 0 1.5em}
.oe-cta{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-d);font-weight:700;font-size:1rem;padding:14px 22px;border-radius:9px;cursor:pointer;border:2px solid transparent;transition:transform .08s ease}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--ink);color:#fff}
.btn--primary:hover{background:var(--ink-deep);color:#fff}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-deep);color:#fff}

/* ---------- section frame ---------- */
.oe-sec{padding:54px 0;border-top:1px solid var(--hair)}
.oe-sec__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
.oe-sec__num{font-family:var(--font-d);font-weight:800;color:var(--accent);font-size:.95rem;letter-spacing:.06em}
.oe-sec h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}
.oe-sec__intro{color:var(--muted);max-width:58ch;margin:-8px 0 22px;font-size:1.06rem}
.oe-link-more{font-family:var(--font-d);font-weight:700;color:var(--ink);white-space:nowrap}
.oe-link-more::after{content:" \2192"}

/* ---------- audience router (graft from E) ---------- */
.oe-router{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:10px}
.oe-lane{position:relative;background:#fff;border:1px solid var(--hair);border-radius:var(--r);padding:24px 24px 20px;overflow:hidden}
.oe-lane::before{content:"";position:absolute;top:0;left:0;right:0;height:5px}
.oe-lane--riders::before{background:var(--accent)}
.oe-lane--devs::before{background:var(--ink)}
.oe-lane__tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-d);font-weight:700;font-size:1.18rem;color:var(--ink-deep);margin-bottom:6px}
.oe-lane p{color:var(--muted);margin:.1em 0 14px;font-size:.98rem}
.oe-lane__links{display:flex;flex-wrap:wrap;gap:8px}
.oe-lane__links a{font-family:var(--font-d);font-weight:600;font-size:.9rem;padding:7px 12px;border-radius:7px;background:var(--paper-2);color:var(--ink-deep)}
.oe-lane__links a:hover{background:var(--ink);color:#fff}

/* ---------- service status board (D) ---------- */
.oe-board__bar{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-bottom:14px}
.oe-legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.84rem;color:var(--muted)}
.oe-legend span{display:inline-flex;align-items:center;gap:7px}
.oe-pip{width:10px;height:10px;border-radius:50%;flex:0 0 auto}
.oe-pip--ok{background:var(--ok)} .oe-pip--rt{background:var(--l-blue)} .oe-pip--no{background:var(--off)} .oe-pip--part{background:var(--warn)}
.oe-filter{margin-left:auto;display:flex;align-items:center;gap:8px}
.oe-filter input{font-family:var(--font-b);font-size:.92rem;padding:9px 13px 9px 34px;border:1.5px solid var(--hair-strong);border-radius:8px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235a6478' stroke-width='2' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E") no-repeat 10px 50%;min-width:210px}
.oe-tablewrap{border:1px solid var(--hair);border-radius:var(--r);overflow:hidden;background:#fff}
table.oe-matrix{width:100%;border-collapse:collapse;font-size:.95rem}
.oe-matrix thead th{font-family:var(--font-d);font-weight:700;text-align:left;font-size:.76rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);padding:13px 16px;background:var(--paper-2);border-bottom:1px solid var(--hair);cursor:pointer;user-select:none;white-space:nowrap}
.oe-matrix thead th[aria-sort] .oe-caret{opacity:.35}
.oe-matrix thead th.is-sorted .oe-caret{opacity:1;color:var(--accent)}
.oe-matrix tbody td{padding:13px 16px;border-bottom:1px solid var(--paper-2);vertical-align:middle}
.oe-matrix tbody tr:last-child td{border-bottom:none}
.oe-matrix tbody tr:hover{background:var(--paper)}
.oe-verbund{display:flex;align-items:center;gap:11px;font-weight:600;font-family:var(--font-d);color:var(--ink-deep)}
.oe-bullet{width:14px;height:14px;border-radius:50%;flex:0 0 auto;border:2px solid #fff;box-shadow:0 0 0 1.5px currentColor}
.oe-tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-d);font-weight:700;font-size:.74rem;letter-spacing:.04em;padding:4px 9px;border-radius:6px;text-transform:uppercase}
.oe-tag--ok{background:rgba(31,157,87,.12);color:#157a42}
.oe-tag--rt{background:rgba(43,111,214,.12);color:#1f5bb5}
.oe-tag--no{background:var(--paper-2);color:var(--muted)}
.oe-tag--part{background:rgba(217,148,29,.15);color:#9a6a12}
.oe-num{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.9rem;white-space:nowrap}
.oe-cap{font-size:.82rem;color:var(--muted);margin-top:10px}
.oe-cap a{text-decoration:underline}

/* ---------- klimaticket calculator (graft from E) ---------- */
.oe-calc{display:grid;grid-template-columns:1.15fr .85fr;gap:0;border:1px solid var(--hair);border-radius:var(--r);overflow:hidden;background:#fff}
.oe-calc__form{padding:26px 28px}
.oe-calc__q{margin-bottom:20px}
.oe-calc__q > label{display:block;font-family:var(--font-d);font-weight:700;color:var(--ink-deep);margin-bottom:10px;font-size:1.02rem}
.oe-seg{display:flex;gap:8px;flex-wrap:wrap}
.oe-seg button{font-family:var(--font-d);font-weight:600;font-size:.92rem;padding:10px 15px;border:1.5px solid var(--hair-strong);background:#fff;border-radius:8px;cursor:pointer;color:var(--ink-deep)}
.oe-seg button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.oe-calc select{width:100%;font-family:var(--font-b);font-size:.98rem;padding:11px 13px;border:1.5px solid var(--hair-strong);border-radius:8px;background:#fff;color:var(--text)}
.oe-calc__out{background:var(--ink);color:#fff;padding:26px 28px;display:flex;flex-direction:column;justify-content:center}
.oe-calc__verdict{font-family:var(--font-d);font-weight:800;font-size:1.5rem;line-height:1.12;margin-bottom:8px}
.oe-calc__verdict.is-no{color:#ffd9c2}
.oe-calc__verdict.is-yes{color:#aef2c9}
.oe-calc__detail{font-size:.96rem;color:rgba(255,255,255,.82)}
.oe-calc__price{font-family:var(--font-d);font-weight:800;font-size:2.4rem;color:#fff;margin:6px 0 2px;font-variant-numeric:tabular-nums}
.oe-calc__note{font-size:.78rem;color:rgba(255,255,255,.6);margin-top:14px}

/* ---------- 2013→2026 timeline (graft from F) ---------- */
.oe-timeline{background:#fff;border:1px solid var(--hair);border-radius:var(--r);padding:30px 30px 22px}
.oe-tl-svg{width:100%;height:auto;display:block}
.oe-tl-legend{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:14px;font-size:.86rem;color:var(--muted)}

/* ---------- apps catalog (D) ---------- */
.oe-apps{display:grid;grid-template-columns:1fr 1fr;gap:0 36px}
.oe-app{display:flex;gap:13px;padding:16px 0;border-bottom:1px solid var(--hair)}
.oe-app__b{margin-top:5px}
.oe-app h3{font-size:1.06rem;margin:0 0 2px}
.oe-app h3 a{color:var(--ink-deep)}.oe-app h3 a:hover{color:var(--accent)}
.oe-app p{margin:0;color:var(--muted);font-size:.92rem}
.oe-app__meta{font-family:var(--font-d);font-size:.76rem;color:var(--muted);margin-top:5px;letter-spacing:.03em}
.oe-app__meta b{color:var(--ink-soft);font-weight:700}

/* ---------- radar / aktuelles ---------- */
.oe-radar{display:flex;flex-direction:column}
.oe-post{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--hair)}
.oe-post time{font-family:var(--font-d);font-weight:700;font-size:.82rem;color:var(--accent);letter-spacing:.04em}
.oe-post h3{font-size:1.12rem;margin:0 0 3px}
.oe-post p{margin:0;color:var(--muted);font-size:.95rem}

/* ---------- themen / cornerstone index ---------- */
.oe-themen{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.oe-themen a{display:block;background:#fff;border:1px solid var(--hair);border-left:4px solid var(--ink);border-radius:0 var(--r) var(--r) 0;padding:18px 20px}
.oe-themen a:nth-child(3n+2){border-left-color:var(--accent)}
.oe-themen a:nth-child(3n+3){border-left-color:var(--l-green)}
.oe-themen a:hover{transform:translateX(2px);box-shadow:var(--shadow)}
.oe-themen b{display:block;font-family:var(--font-d);font-weight:700;color:var(--ink-deep);font-size:1.04rem;margin-bottom:3px}
.oe-themen span{font-size:.9rem;color:var(--muted)}

/* ---------- about ---------- */
.oe-about{background:var(--paper-2);border-radius:var(--r);padding:30px 34px;max-width:none}
.oe-about p{max-width:66ch;color:#3a4256;margin:.4em 0}
.oe-about p:first-child{font-size:1.12rem;color:var(--text)}

/* ---------- footer ---------- */
.oe-foot{background:var(--ink-deep);color:#cfd7ec;margin-top:10px}
.oe-foot__in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px;padding:48px 0 30px}
.oe-foot__brand{display:flex;align-items:center;gap:10px;font-family:var(--font-d);font-weight:800;color:#fff;font-size:1.12rem;margin-bottom:10px}
.oe-foot__brand svg{width:30px;height:30px}
.oe-foot p{font-size:.9rem;color:#a9b4d4;max-width:38ch}
.oe-foot h4{color:#fff;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin:0 0 12px}
.oe-foot ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.oe-foot a{color:#cfd7ec;font-size:.94rem}.oe-foot a:hover{color:#fff}
.oe-foot__bar{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:.82rem;color:#8c98bd}
.oe-foot__legal{display:flex;gap:18px}
.oe-foot__legal a{color:#8c98bd;text-decoration:none;border-bottom:1px solid transparent;padding-bottom:1px}
.oe-foot__legal a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.4)}
.oe-lines{display:flex;gap:4px;margin-bottom:14px}
.oe-lines i{width:22px;height:6px;border-radius:2px;display:block}

/* ---------- inner pages: band + prose ---------- */
.oe-page__band{background:var(--paper-2);border-bottom:1px solid var(--hair);padding:46px 0 34px;text-align:center}
.oe-page__band h1{font-size:clamp(2rem,4.5vw,3rem);max-width:20ch;margin-inline:auto}
.oe-page__lead{color:var(--muted);font-size:1.18rem;max-width:60ch;margin:.5em auto 0}
.oe-prose{padding:42px 24px 60px;max-width:760px}
.oe-prose h2{font-size:1.7rem;margin:1.6em 0 .5em;padding-top:.4em;text-align:center}
.oe-prose h3{font-size:1.24rem;color:var(--ink);margin:1.4em 0 .4em;text-align:center}
.oe-prose p,.oe-prose li{font-size:1.06rem;color:#2b3140}
.oe-prose ul,.oe-prose ol{padding-left:1.2em}
.oe-prose li{margin:.3em 0}
.oe-prose a{text-decoration:underline;text-underline-offset:2px}
.oe-prose blockquote{margin:1.4em 0;padding:4px 0 4px 20px;border-left:3px solid var(--accent);color:#3a4256;font-size:1.1rem}
.oe-prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.96rem}
.oe-prose th,.oe-prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--hair)}
.oe-prose th{font-family:var(--font-d);font-weight:700;background:var(--paper-2)}
.oe-prose img{border-radius:var(--r);margin:1.2em 0}
.oe-prose figcaption{font-size:.85rem;color:var(--muted);margin-top:-.6em}
/* site-specific callout — NOT the stock border-l-4 tint+label idiom */
.oe-note{position:relative;margin:1.6em 0;padding:18px 20px 18px 22px;background:#fff;border:1px solid var(--hair);border-radius:0 var(--r) var(--r) 0}
.oe-note::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;border-radius:5px 0 0 5px;background:linear-gradient(var(--ink),var(--accent))}
.oe-note b{font-family:var(--font-d);color:var(--ink-deep)}

/* ---------- cornerstone: hero image, figures, facts, FAQ, embed ---------- */
.oe-leadfig{margin:0 0 6px}
.oe-leadfig picture{display:block}
.oe-leadfig img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r)}
.oe-leadfig figcaption{font-size:.84rem;color:var(--muted);margin-top:8px}
.oe-prose .oe-fig{margin:1.8em 0;padding:0}
.oe-prose .oe-fig img{width:100%;height:auto;border:1px solid var(--hair);border-radius:var(--r);margin:0}
.oe-prose .oe-fig figcaption{margin-top:10px;font-size:.85rem;color:var(--muted)}
.oe-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:1.6em 0;padding:0;list-style:none}
.oe-facts li{background:#fff;border:1px solid var(--hair);border-radius:var(--r);padding:14px 16px}
.oe-facts b{display:block;font-family:var(--font-d);font-weight:800;font-size:1.5rem;color:var(--ink-deep);line-height:1.1}
.oe-facts span{font-size:.9rem;color:var(--muted)}
.oe-embed{margin:1.2em 0 1.8em}
.oe-embed summary{cursor:pointer;font-family:var(--font-d);font-weight:700;font-size:.92rem;color:var(--ink);list-style:none}
.oe-embed summary::-webkit-details-marker{display:none}
.oe-embed summary::before{content:"</>";font-family:var(--font-b);color:var(--accent);margin-right:8px;font-weight:700}
.oe-embed textarea{width:100%;margin-top:10px;height:88px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;color:#2b3140;background:var(--paper-2);border:1px solid var(--hair);border-radius:8px;padding:10px;resize:vertical}
.oe-faq{margin:1.2em 0}
.oe-faq details{border:1px solid var(--hair);border-radius:var(--r);background:#fff;margin:10px 0;overflow:hidden}
.oe-faq details[open]{border-color:var(--hair-strong)}
.oe-faq summary{cursor:pointer;list-style:none;padding:15px 46px 15px 18px;position:relative;font-family:var(--font-d);font-weight:700;font-size:1.02rem;color:var(--ink-deep)}
.oe-faq summary::-webkit-details-marker{display:none}
.oe-faq summary::after{content:"";position:absolute;right:18px;top:50%;width:11px;height:11px;border-right:2.4px solid var(--accent);border-bottom:2.4px solid var(--accent);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.oe-faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.oe-faq .oe-faq__a{padding:0 18px 16px;color:#2b3140}
.oe-faq .oe-faq__a p{margin:.2em 0 .6em}

/* ---------- post list / pagination ---------- */
.oe-list{padding:30px 24px 60px;max-width:820px}
.oe-post--list{grid-template-columns:130px 1fr}
.oe-pagination{margin-top:24px;font-family:var(--font-d);font-weight:700}
.oe-pagination .page-numbers{display:inline-block;padding:7px 13px;border:1px solid var(--hair);border-radius:8px;margin-right:6px;color:var(--ink)}
.oe-pagination .current{background:var(--ink);color:#fff;border-color:var(--ink)}
.oe-apps--full{grid-template-columns:1fr 1fr}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .oe-nav{display:none} .oe-burger{display:block}
  .oe-router,.oe-calc,.oe-apps,.oe-themen,.oe-foot__in,.oe-facts{grid-template-columns:1fr}
  .oe-post{grid-template-columns:1fr;gap:4px}
  .oe-filter{margin-left:0;width:100%} .oe-filter input{width:100%}
  .oe-sec__head{flex-direction:column;align-items:flex-start;gap:6px}
  .oe-tablewrap{overflow-x:auto} table.oe-matrix{min-width:640px}
}