:root{--navy:#073b4c;--blue:#0c6e87;--aqua:#72d5cb;--cream:#f5f1e8;--paper:#fffdf8;--ink:#17333a;--muted:#63777b;--line:#dce3df;--orange:#e9784a;--shadow:0 18px 50px rgba(7,59,76,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.topbar{height:86px;background:var(--paper);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,24px);position:relative;z-index:2}.brand{display:flex;gap:14px;align-items:center;color:var(--navy);text-decoration:none}.brand-mark{width:50px;height:50px;border-radius:50%;background:var(--navy);color:white;display:grid;place-items:center;font-size:14px;font-weight:900;letter-spacing:-.5px;box-shadow:inset 0 -5px 0 var(--aqua)}.brand strong,.brand small{display:block}.brand strong{font-family:Georgia,serif;font-size:20px}.brand small{font-size:11px;color:var(--muted);margin-top:3px}.nav-link{color:var(--navy);font-weight:700;font-size:13px;text-underline-offset:5px}main{max-width:1180px;margin:auto;padding:0 28px;display:flex;flex-direction:column}.hero{min-height:370px;display:grid;grid-template-columns:1.3fr .7fr;align-items:center;gap:30px;padding:55px 0 45px;order:1}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-weight:800;font-size:11px;color:var(--orange);margin:0 0 13px}.hero h1{font:700 clamp(44px,6vw,76px)/.98 Georgia,serif;color:var(--navy);letter-spacing:-.045em;margin:0}.hero h1 em{color:var(--blue);font-weight:400}.intro{max-width:560px;color:var(--muted);line-height:1.7;font-size:17px}.river-card{height:245px;border-radius:120px 120px 16px 16px;background:var(--navy);position:relative;overflow:hidden;display:flex;justify-content:center;align-items:flex-start;box-shadow:var(--shadow)}.river-card:before{content:"";position:absolute;width:80px;height:80px;border:18px solid var(--aqua);border-radius:50%;top:55px}.river-card span{color:white;font-weight:900;letter-spacing:.35em;margin-top:150px;margin-left:.35em}.river-card i{position:absolute;width:140%;height:40px;border-radius:50%;border-top:3px solid rgba(114,213,203,.7);bottom:30px}.river-card i:nth-of-type(2){bottom:12px;left:-35%}.river-card i:nth-of-type(3){bottom:-7px;right:-20%}.notice{padding:18px 22px;margin:0 0 24px;border-radius:10px;background:white;border-left:5px solid;order:2}.notice.success{border-color:#34a56f}.notice.error{border-color:#c74f3c}.notice ul{margin:8px 0 0;padding-left:20px}.booking-form{background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;order:4;margin-bottom:80px}.booking-form[hidden]{display:none}.form-section{padding:38px}.form-section+.form-section{border-top:1px solid var(--line)}.section-heading{display:flex;gap:18px;align-items:flex-start;margin-bottom:28px}.section-heading>span{font:italic 25px Georgia,serif;color:var(--orange)}.section-heading h2{font:700 27px Georgia,serif;color:var(--navy);margin:0}.section-heading p{color:var(--muted);font-size:13px;margin:5px 0 0}.vehicle-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.vehicle-card{display:flex;min-width:0;flex-direction:column;position:relative;padding:14px;border:1.5px solid var(--line);border-radius:10px;cursor:pointer;background:white;transition:.2s}.vehicle-card:hover{transform:translateY(-2px);border-color:var(--blue)}.vehicle-card:has(input:checked){border-color:var(--blue);background:#effaf8;box-shadow:0 0 0 2px rgba(12,110,135,.12)}.vehicle-card input{position:absolute;opacity:0}.checkmark{position:absolute;right:10px;top:10px;width:22px;height:22px;border:1px solid #b9c7c6;border-radius:50%;color:transparent;display:grid;place-items:center;font-size:12px}.vehicle-card input:focus-visible~.checkmark{outline:3px solid var(--aqua);outline-offset:2px}.vehicle-card:has(input:checked) .checkmark{background:var(--blue);border-color:var(--blue);color:white}.vehicle-art{height:78px;background:#e7efed;border-radius:6px;margin-bottom:15px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.vehicle-art:before{content:"";position:absolute;width:80px;height:20px;border:3px solid var(--navy);border-radius:50%;transform:skew(-20deg)}.vehicle-art b{z-index:1;background:var(--navy);color:white;font-size:10px;padding:4px 6px;border-radius:3px}.vehicle-art i{position:absolute;height:3px;background:var(--aqua);width:100%;bottom:12px}.vehicle-type{text-transform:uppercase;color:var(--muted);font-size:9px;letter-spacing:.09em}.vehicle-card strong{font:700 17px Georgia,serif;color:var(--navy);margin:4px 0}.vehicle-card small{color:#91a09f;font-size:10px}.details-section{background:#fbfaf6}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}.fields label{display:flex;flex-direction:column;gap:8px}.fields label>span{font-size:12px;font-weight:800;color:var(--navy)}.fields label>span small{font-weight:400;color:var(--muted)}.fields .wide{grid-column:1/-1}input,select{width:100%;border:1px solid #bdccca;border-radius:7px;padding:13px 14px;background:white;font:inherit;color:var(--ink);outline:none}input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(12,110,135,.12)}.form-footer{display:flex;align-items:center;justify-content:space-between;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.form-footer p{font-size:13px;color:var(--muted)}button{border:0;border-radius:7px;background:var(--orange);color:white;padding:15px 24px;font-weight:800;cursor:pointer;font-size:14px;box-shadow:0 8px 20px rgba(233,120,74,.25)}button:hover{background:#d8673d}button span{margin-left:16px}.bookings{padding:20px 0 36px;order:3}.bookings-head{display:flex;align-items:end;justify-content:space-between;border-bottom:1px solid #cbd5d1;padding-bottom:18px;gap:24px}.bookings-head h2{font:700 34px Georgia,serif;color:var(--navy);margin:0}.bookings-actions{display:flex;align-items:center;gap:18px}.bookings-actions>span{font-size:12px;color:var(--muted);white-space:nowrap}.open-booking{padding:12px 18px}.open-booking b{margin-left:10px;font-size:16px}.empty{text-align:center;padding:70px 20px}.empty>span{font-size:55px;color:var(--aqua)}.empty h3{font:700 23px Georgia,serif;color:var(--navy);margin:5px}.empty p{color:var(--muted)}.booking-list{display:grid;gap:12px;margin-top:20px}.booking-item{display:grid;grid-template-columns:72px 1fr 220px;gap:20px;align-items:center;background:var(--paper);padding:18px;border:1px solid var(--line);border-radius:10px}.date-tile{height:66px;background:var(--navy);color:white;border-radius:7px;display:flex;flex-direction:column;align-items:center;justify-content:center}.date-tile strong{font:700 26px Georgia,serif}.date-tile span{font-size:9px;letter-spacing:.14em}.booking-main>p{margin:0;color:var(--blue);font-size:11px;font-weight:800}.booking-main h3{margin:5px 0 9px;font:700 19px Georgia,serif;color:var(--navy)}.tags{display:flex;gap:5px;flex-wrap:wrap}.tags span{background:#dff2ef;color:var(--navy);border-radius:20px;padding:4px 9px;font-size:10px;font-weight:800}.booking-meta{display:grid;grid-template-columns:auto 1fr;gap:6px 10px;font-size:11px;border-left:1px solid var(--line);padding-left:20px}.booking-meta span{color:var(--muted)}.booking-meta b{color:var(--navy)}footer{background:var(--navy);color:white;display:flex;justify-content:space-between;padding:26px max(5vw,24px);font-size:11px}footer p{margin:0}
@media(max-width:850px){.vehicle-grid{grid-template-columns:repeat(2,1fr)}.vehicle-card:last-child{grid-column:1/-1}.hero{grid-template-columns:1fr}.river-card{display:none}.booking-item{grid-template-columns:62px 1fr}.booking-meta{grid-column:2;border:0;padding:0}.hero{min-height:320px}}
@media(max-width:560px){.topbar{height:76px}.brand small,.nav-link{display:none}main{padding:0 16px}.hero{padding:42px 5px 34px;min-height:auto}.hero h1{font-size:43px}.intro{font-size:15px}.form-section{padding:25px 18px}.vehicle-grid{grid-template-columns:1fr 1fr;gap:9px}.vehicle-card{padding:10px}.vehicle-art{height:62px}.fields{grid-template-columns:1fr}.fields .wide{grid-column:auto}.form-footer{align-items:stretch;flex-direction:column}.form-footer button{width:100%}.bookings{padding:20px 0 36px}.bookings-head{align-items:flex-start;flex-direction:column}.bookings-actions{width:100%;justify-content:space-between}.bookings-head h2{font-size:27px}.open-booking{padding:11px 14px}.booking-item{grid-template-columns:54px 1fr;gap:13px;padding:12px}.booking-meta{grid-column:1/-1;border-top:1px solid var(--line);padding-top:12px}.date-tile{height:58px}footer{flex-direction:column;gap:5px}}

/* Gestaltung angelehnt an den öffentlichen WSV-Webauftritt */
:root{--navy:#236ba7;--blue:#236ba7;--aqua:#8acef5;--cream:#f9fafb;--paper:#fff;--ink:#000;--muted:#5a5a5a;--line:#edeff2;--orange:#8acef5;--shadow:0 20px 80px rgba(192,198,211,.25)}
body{background:#fff;color:var(--muted);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.65}
.topbar{height:140px;padding:0 max(5vw,30px);border:0;background:#fff;position:sticky;top:0;box-shadow:0 10px 20px rgba(44,62,80,.04)}
.brand{gap:20px;color:#000}.brand-logo{width:72px;height:86px;object-fit:contain}.brand strong{font-family:inherit;font-size:22px;font-weight:800;line-height:1.1}.brand small{font-size:13px;font-weight:500;margin-top:7px}.header-nav{display:flex;align-items:center;gap:42px}.nav-link{color:#5a5a5a;text-decoration:none;font-size:15px;font-weight:500}.nav-link:hover,.nav-link.active{color:#000}.nav-link.active:after{content:"";display:block;height:3px;border-radius:3px;background:#8acef5;margin-top:8px}
main{max-width:1502px;padding:0 max(5vw,30px)}
.hero{min-height:570px;grid-template-columns:.85fr 1.15fr;gap:60px;padding:60px 0 85px}.eyebrow{color:#236ba7;letter-spacing:.08em;font-size:12px}.hero h1{font-family:inherit;font-size:clamp(48px,5.6vw,80px);font-weight:800;line-height:1.12;color:#000;letter-spacing:-.04em}.hero h1 em{font-style:normal;color:#236ba7}.intro{color:#5a5a5a;font-size:18px;max-width:540px}.river-card{height:430px;border-radius:25px;background:linear-gradient(90deg,rgba(0,0,0,.38),rgba(0,0,0,.05)),url('assets/rudern-ruhr.jpg') center/cover no-repeat;align-items:flex-end;justify-content:flex-start;padding:42px;box-shadow:none}.river-card:before,.river-card i{display:none}.river-card span{margin:0;color:#fff;font-size:34px;line-height:1.15;letter-spacing:0;font-weight:800}
.bookings{padding:30px 0 55px}.bookings-head{border:0;align-items:center}.bookings-head h2,.section-heading h2{font-family:inherit;color:#000;font-weight:800}.bookings-head h2{font-size:40px;line-height:1.25}.bookings-actions>span{font-size:13px}.open-booking,button{min-height:50px;border-radius:15px;background:#8acef5;color:#2f2207;box-shadow:none;font-weight:600;padding:8px 24px}.open-booking:hover,button:hover{background:#236ba7;color:#fff}
.empty{background:#f9fafb;border-radius:25px;margin-top:25px;padding:75px 20px}.empty>span{color:#236ba7}.empty h3{font-family:inherit;color:#000;font-weight:800}
.booking-item{border:0;border-radius:25px;padding:22px;background:#fff;box-shadow:0 2px 20px #9992}.date-tile{background:#236ba7;border-radius:15px}.date-tile strong,.booking-main h3{font-family:inherit;font-weight:800}.booking-main h3{color:#000}.booking-main>p{color:#236ba7}.tags span{background:#e7f5fd;color:#236ba7}.booking-meta b{color:#000}
.booking-form{border:0;border-radius:25px;background:#fff;box-shadow:0 2px 20px #9993}.form-section{padding:42px}.details-section{background:#f9fafb}.section-heading>span{font-family:inherit;font-style:normal;font-weight:800;color:#8acef5}.section-heading h2{font-size:35px}.vehicle-card{border:2px solid #edeff2;border-radius:20px;padding:16px}.vehicle-card:hover{border-color:#8acef5}.vehicle-card:has(input:checked){border-color:#8acef5;background:#f1f9fe;box-shadow:none}.vehicle-card:has(input:checked) .checkmark{background:#236ba7;border-color:#236ba7}.vehicle-art{border-radius:15px;background:#f0f3f6}.vehicle-art:before{border-color:#236ba7}.vehicle-art b{background:#236ba7}.vehicle-art i{background:#8acef5}.vehicle-card strong{font-family:inherit;color:#000;font-weight:800}.fields label>span{color:#000}.fields input,.fields select{height:50px;border:2px solid #edeff2;border-radius:15px}.fields input:focus,.fields select:focus{border-color:#8acef5;box-shadow:none}.form-footer p b{color:#000}
.notice{border:0;border-radius:15px;box-shadow:0 2px 20px #9992}.notice.success{border-left:6px solid #8acef5}.notice.error{border-left:6px solid #236ba7}footer{background:#fafafa;color:#5a5a5a;border-top:1px solid #edeff2;padding:35px max(5vw,30px)}
@media(max-width:850px){.topbar{height:120px}.hero{min-height:auto;grid-template-columns:1fr;padding:45px 0 65px}.river-card{display:flex;height:340px}.header-nav{gap:20px}.brand small{display:none}}
@media(max-width:560px){.topbar{height:100px}.brand-logo{width:55px;height:70px}.brand strong{font-size:18px}.header-nav .nav-link{display:none}.header-nav .active{display:block}.hero{padding:35px 0 45px;gap:30px}.hero h1{font-size:42px}.river-card{height:250px;padding:25px}.river-card span{font-size:25px}.bookings-head h2{font-size:30px}.form-section{padding:26px 18px}.section-heading h2{font-size:27px}.booking-form{margin-bottom:50px}}

/* Kompakter Kopfbereich für das interne Tool */
.topbar{height:82px;padding:0 max(4vw,24px);position:sticky;top:0;z-index:20;border-bottom:1px solid #edeff2;box-shadow:0 4px 16px rgba(44,62,80,.06)}.brand{gap:13px}.brand-logo{width:42px;height:54px}.brand strong{font-size:18px}.brand small{font-size:11px;margin-top:3px;color:#777}.topbar>.nav-link{font-size:14px}.topbar>.nav-link.active:after{margin-top:4px}.license-plate{display:inline-flex!important;align-self:flex-start;margin-top:5px;padding:3px 7px;border:1px solid #aeb7bf;border-radius:4px;background:#fff;color:#111!important;font-size:10px!important;font-weight:800;letter-spacing:.06em;line-height:1.2}.tags span{white-space:nowrap}
.hero{min-height:auto;grid-template-columns:minmax(0,1fr) minmax(280px,400px);gap:45px;padding:36px 0 42px}.hero h1{font-size:clamp(36px,4vw,54px);line-height:1.05}.intro{max-width:600px;margin-bottom:0;font-size:16px;line-height:1.55}.river-card{height:210px;border-radius:18px;padding:24px}.river-card span{font-size:24px}.bookings{scroll-margin-top:100px}
@media(max-width:850px){.hero{grid-template-columns:1fr 280px;gap:30px;padding:32px 0 38px}.river-card{height:180px}.river-card span{font-size:21px}}
@media(max-width:700px){.hero{display:block;padding:30px 0 34px}.river-card{display:none}}
@media(max-width:560px){.topbar{height:70px}.brand-logo{width:34px;height:44px}.brand strong{font-size:16px}.brand small{display:block}.topbar>.nav-link{display:block}.hero{padding:25px 0 30px}.hero h1{font-size:36px}.intro{font-size:15px}}

.notice.error{border-left-color:#c62828;background:#fff7f7;color:#a91f1f}.error-heading{display:flex;align-items:center;gap:6px;color:#c62828;font-size:16px}.notice.error li{color:#c62828;font-weight:800}.help-contact{margin:16px 0 0;padding-top:14px;border-top:1px solid #f0caca;color:#a91f1f;font-size:14px}.help-contact strong{color:#c62828}.help-contact a{color:#c62828;font-weight:800;text-decoration-thickness:2px;text-underline-offset:3px}
.fields label[hidden]{display:none!important}