/* RailBase – Farben, Grundlayout, Kopfzeile, Fusszeile */

/* Layout: light, calm catalogue (very light grey ground, white header and cards, anthracite type,
   red only for the search button, chosen categories and small details); sticky header with logo and a small station clock. */
:root{
  --bg:#F5F6F7;
  --surface:#FFFFFF;
  --surface-2:#ECEEF0;
  --fg:#202326;
  --fg-2:#626971;
  --fg-3:#626971;
  --line:rgba(32,35,38,.12);
  --accent:#D71920;
  --accent-hover:#BD141A;
  --accent-ink:#C8161D;
  --on-accent:#FFFFFF;
  --accent-soft:rgba(215,25,32,.08);
  --glass:rgba(255,255,255,.9);
  --seg-thumb:#FFFFFF;
  --shadow:0 1px 2px rgba(32,35,38,.05),0 4px 16px rgba(32,35,38,.05);
  --shadow-lift:0 2px 6px rgba(32,35,38,.06),0 16px 36px rgba(32,35,38,.1);
  --hero-bg:#F5F6F7;
  --foot-bg:#202326;
  --foot-fg:#F5F6F7;
  --foot-dim:#A9AEB4;
  --art-bg:#E4E8EB;
  --art-ground:#CBD0D4;
  --art-rail:#6B7279;
  --art-sleeper:#A3A9AE;
  --ph-line:rgba(22,22,22,.22);
  --t-sky2:#C9D0D6;--t-sky:#E6E9EC;--t-hill1:#D2D7DC;--t-hill2:#C2C9CF;--t-ground:#C9CED3;--t-slope:#ADB3B9;--t-ballast:#BCC1C6;
  --t-sleeper:#F0F1F2;--t-sleeper-edge:#9BA1A7;--t-rail-top:#F8F9FA;--t-rail-side:#52585E;--t-clip:#2E3338;
  --t-plat:#DCDFE1;--t-plat-edge:#AAB0B5;--t-roof:#6C737A;--t-roof-under:#575D63;--t-build:#ECEDEE;--t-build-side:#CFD3D6;
  --t-win:#7F8B96;--t-mast:#5F656B;--t-wire:#3C4146;--t-tree:#AEB8AF;--t-tree2:#9CA79D;
  --t-check:#C2C7CC;--t-frog:#6E757C;--t-ins:#9C6B4E;--t-timber:#E2E4E6;
  --t-tun:#8C9298;--t-tun2:#7E858C;--t-rock:#A3AAA2;--t-portal:#CDD1D4;
  --map-land:#FFFFFF;--map-out:#E4E7EA;--map-border:#9AA1A8;--map-sbb:#D71920;--map-ns:#2E3338;--map-ms:#1F6FB2;--map-spec:#B97A0C;--map-tram:#A9AFB5;--map-label:#161616;--map-halo:#FFFFFF;
  --display:"Source Sans 3","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Arial,sans-serif;
  --body:"Source Sans 3","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Arial,sans-serif;
  --mono:"Source Sans 3","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Arial,sans-serif;
  --spring:cubic-bezier(.34,1.45,.64,1);
  --ease-out:cubic-bezier(.2,.8,.2,1);
  --r-lg:26px;
  --r-md:18px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#141618;--surface:#1D2023;--surface-2:#2A2E32;--fg:#EEF0F2;--fg-2:#A3A9B0;--fg-3:#A3A9B0;
    --line:rgba(242,242,242,.1);--accent-hover:#E8262D;--accent-ink:#FF6B70;
    --accent-soft:rgba(255,80,86,.14);--glass:rgba(22,22,22,.82);--seg-thumb:#3A3A3A;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 28px rgba(0,0,0,.3);--shadow-lift:0 2px 4px rgba(0,0,0,.4),0 22px 50px rgba(0,0,0,.5);
    --hero-bg:#141618;--foot-bg:#0E1012;--foot-fg:#EEF0F2;--foot-dim:#9AA0A7;
    --art-bg:#1D2125;--art-ground:#272C31;--art-rail:#8D949A;--art-sleeper:#3B4046;--ph-line:rgba(242,242,242,.22);
    --t-sky2:#050607;--t-sky:#15191E;--t-hill1:#12161B;--t-hill2:#171C21;--t-ground:#171A1E;--t-slope:#1C2025;--t-ballast:#262A30;
    --t-sleeper:#565B61;--t-sleeper-edge:#282C31;--t-rail-top:#D9DDE1;--t-rail-side:#3A3F45;--t-clip:#0D0F11;
    --t-plat:#3B4046;--t-plat-edge:#2B2F34;--t-roof:#25292E;--t-roof-under:#1D2024;--t-build:#30353B;--t-build-side:#262A2F;
    --t-win:#F2C66D;--t-mast:#4C5258;--t-wire:#8D949A;--t-tree:#1E2427;--t-tree2:#232A2D;
    --t-check:#9EA4AA;--t-frog:#33383E;--t-ins:#B07A58;--t-timber:#4A4F55;
    --t-tun:#2B3035;--t-tun2:#24282D;--t-rock:#1E2427;--t-portal:#3A3F45;
    --map-land:#1C1F23;--map-out:#121417;--map-border:#5B636B;--map-sbb:#FF4A4F;--map-ns:#D9DDE1;--map-ms:#5AA3E0;--map-spec:#E3A93A;--map-tram:#5B636B;--map-label:#F2F2F2;--map-halo:#121417;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#141618;--surface:#1D2023;--surface-2:#2A2E32;--fg:#EEF0F2;--fg-2:#A3A9B0;--fg-3:#A3A9B0;
  --line:rgba(242,242,242,.1);--accent-hover:#E8262D;--accent-ink:#FF6B70;
  --accent-soft:rgba(255,80,86,.14);--glass:rgba(22,22,22,.82);--seg-thumb:#3A3A3A;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 28px rgba(0,0,0,.3);--shadow-lift:0 2px 4px rgba(0,0,0,.4),0 22px 50px rgba(0,0,0,.5);
  --hero-bg:#141618;--foot-bg:#0E1012;--foot-fg:#EEF0F2;--foot-dim:#9AA0A7;
  --art-bg:#1D2125;--art-ground:#272C31;--art-rail:#8D949A;--art-sleeper:#3B4046;--ph-line:rgba(242,242,242,.22);
  --t-sky2:#050607;--t-sky:#15191E;--t-hill1:#12161B;--t-hill2:#171C21;--t-ground:#171A1E;--t-slope:#1C2025;--t-ballast:#262A30;
  --t-sleeper:#565B61;--t-sleeper-edge:#282C31;--t-rail-top:#D9DDE1;--t-rail-side:#3A3F45;--t-clip:#0D0F11;
  --t-plat:#3B4046;--t-plat-edge:#2B2F34;--t-roof:#25292E;--t-roof-under:#1D2024;--t-build:#30353B;--t-build-side:#262A2F;
  --t-win:#F2C66D;--t-mast:#4C5258;--t-wire:#8D949A;--t-tree:#1E2427;--t-tree2:#232A2D;
  --t-check:#9EA4AA;--t-frog:#33383E;--t-ins:#B07A58;--t-timber:#4A4F55;
    --t-tun:#2B3035;--t-tun2:#24282D;--t-rock:#1E2427;--t-portal:#3A3F45;
    --map-land:#1C1F23;--map-out:#121417;--map-border:#5B636B;--map-sbb:#FF4A4F;--map-ns:#D9DDE1;--map-ms:#5AA3E0;--map-spec:#E3A93A;--map-tram:#5B636B;--map-label:#F2F2F2;--map-halo:#121417;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:45;background:var(--surface)}
.wrap{max-width:1200px;margin-inline:auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
a{color:inherit}
svg{flex:none}
button{font:inherit}
:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 60%,transparent);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.view{animation:viewin .45s var(--ease-out)}
@keyframes viewin{from{opacity:.001;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- header ---------- */
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:30}
.topbar::before{content:"";position:absolute;inset:0;background:var(--surface);border-bottom:1px solid var(--line);pointer-events:none}
.topbar .wrap{position:relative;display:flex;align-items:center;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--fg);text-decoration:none;min-width:0}
/* RailBase mark (red R over a track); the track takes the text colour */
.mark{display:block;width:auto;height:30px;aspect-ratio:570/270;flex:none;color:var(--fg)}
.brand-txt{display:grid;line-height:1}
.wm{font-family:var(--display);font-weight:900;font-size:26px;letter-spacing:-.01em;white-space:nowrap}
.wm em{font-style:normal;color:var(--accent)}
.brand-sub{margin-top:3px;font:600 10px/1 var(--body);letter-spacing:.2em;text-transform:uppercase;color:var(--fg-2);opacity:.75}
.hclock{display:flex;align-items:center;gap:10px;margin-left:auto}
.hclock .clock{display:block;width:38px;height:38px;flex:none}
.hclock-txt{display:grid;gap:2px;line-height:1.1;text-align:right}
.clock-time{font:600 16px/1.1 var(--body);font-variant-numeric:tabular-nums;color:var(--fg)}
.clock-date{font-size:12.5px;color:var(--fg-2);white-space:nowrap}
.brand{flex:none}
.hclock{min-width:0}
@media (max-width:980px){.hclock-txt .clock-date{display:none}}
@media (max-width:760px){.inbox-btn .ib-word{display:none}.inbox-btn{padding:0 8px}.donate span{display:none}.donate{padding:0 9px}}
@media (max-width:520px){
  .topbar .wrap{gap:10px;height:64px}
  .hclock-txt{display:none}
  .hclock .clock{width:34px;height:34px}
  .wm{font-size:21px}.mark{height:22px}.brand{gap:8px}
  .brand-sub{font-size:9px;letter-spacing:.14em}
}
@media (max-width:360px){.brand-sub{display:none}}

/* ---------- main menu: inline on wide screens, a panel under the header on small ones ---------- */
.topnav{display:flex;align-items:center;gap:2px;margin-left:8px}
.topnav>a,.nav-dd>summary{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 12px;border-radius:999px;color:var(--fg-2);font:600 15px/1 var(--body);text-decoration:none;white-space:nowrap;cursor:pointer;transition:color .2s ease,background-color .2s ease}
.topnav>a:hover,.nav-dd>summary:hover,.nav-dd[open]>summary{color:var(--fg);background:var(--surface-2)}
.nav-dd{position:relative}
.nav-dd>summary{list-style:none}
.nav-dd>summary::-webkit-details-marker{display:none}
.nav-dd>summary::after{content:"";width:7px;height:7px;margin-top:-4px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .2s ease}
.nav-dd[open]>summary::after{margin-top:3px;transform:rotate(225deg)}
.nav-dd ul{position:absolute;top:calc(100% + 10px);left:0;z-index:40;display:grid;gap:2px;min-width:230px;margin:0;padding:8px;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lift)}
.nav-dd ul a{display:block;padding:10px 12px;border-radius:10px;color:var(--fg);font-size:15px;text-decoration:none}
.nav-dd ul a:hover,.nav-dd ul a:focus-visible{background:var(--surface-2)}
.nav-spenden{display:none}
.hclock{flex:none}
.menu-btn{display:none;place-items:center;flex:none;width:34px;height:34px;padding:0;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--fg-2);cursor:pointer}
.menu-btn[aria-expanded="true"]{color:var(--accent-ink);background:var(--accent-soft)}
@media (max-width:1060px){
  .menu-btn{display:grid}
  .topnav{display:none;position:absolute;top:100%;left:0;right:0;z-index:40;flex-direction:column;align-items:stretch;gap:2px;margin:0;padding:10px max(20px,env(safe-area-inset-left,0px)) 18px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(0,0,0,.12);max-height:calc(100vh - 64px);overflow:auto}
  .topnav.open{display:flex}
  .topnav>*{flex:none}
  .topnav>a,.nav-dd>summary{justify-content:space-between;height:46px;padding:0 12px;font-size:17px;color:var(--fg)}
  .nav-dd ul{position:static;min-width:0;padding:0 0 4px 12px;border:0;box-shadow:none;background:transparent}
  /* «Spenden» as the last menu entry, in red */
  .topnav .nav-spenden:not([hidden]){display:flex;align-items:center;height:46px;margin-top:6px;padding:0 12px;border:0;border-radius:999px;background:var(--accent-soft);color:var(--accent-ink);font:700 17px/1 var(--body);text-align:left;cursor:pointer}
}
/* phones: the header is too narrow for the heart button, it is in the menu instead */
@media (max-width:600px){.topbar .donate{display:none}}
@media (max-width:340px){.hclock{display:none}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(215,25,32,.5)}70%{box-shadow:0 0 0 8px rgba(215,25,32,0)}100%{box-shadow:0 0 0 0 rgba(215,25,32,0)}}


/* ---------- footer ---------- */
.footer{background:var(--foot-bg);color:var(--foot-fg)}
.footer .wrap{display:grid;gap:22px;padding-block:44px calc(44px + env(safe-area-inset-bottom,0px))}
.foot-brand{display:flex;align-items:center;gap:12px}
.footer .foot-besuche{display:inline-flex;align-items:center;gap:8px;margin:0;font:600 14px/1.2 var(--body);color:var(--foot-fg);font-variant-numeric:tabular-nums}
.footer .foot-besuche::before{content:"";width:8px;height:8px;border-radius:50%;background:#2DBE60;box-shadow:0 0 0 3px rgba(45,190,96,.25)}
.foot-brand .wm{color:var(--foot-fg)}
.foot-brand .mark{height:34px;color:var(--foot-fg)}
.foot-wm{display:grid;gap:5px;line-height:1}
.foot-by{font:600 10.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--foot-dim);opacity:.75}
.footer p{margin:0;max-width:40em;color:var(--foot-dim);font-size:15px}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0;padding:0;list-style:none}
.foot-links a{color:var(--foot-fg);text-decoration:none;font-weight:600;font-size:15px;opacity:.85}
.foot-links a:hover{opacity:1;text-decoration:underline}
.foot-bottom{padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font:500 12.5px/1.4 var(--mono);color:var(--foot-dim)}