/* BCR Beteiligungs GmbH – Danube navy, river teal, signal amber */
:root{
  --navy:#0f2a40; --navy2:#1b4260; --teal:#2b7a8c; --mist:#edf1f0; --paper:#fbfcfb;
  --ink:#14212b; --muted:#53626d; --amber:#f2b632; --line:#d5dde0;
  --font:"Schibsted Grotesk","Helvetica Neue",Helvetica,Arial,sans-serif;
  --wrap:1320px; --gap:clamp(1.25rem,3vw,2.5rem);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem}
body{margin:0;font-family:var(--font);font-size:1.0625rem;line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.1;letter-spacing:-.02em;margin:0}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.wrap{width:min(var(--wrap),100% - 2*var(--gap));margin-inline:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--navy);color:#fff}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:4.5rem}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none}
.brand-mark{background:var(--amber);color:var(--navy);font-weight:800;padding:.2rem .55rem;letter-spacing:.02em}
.brand-name{font-weight:700;font-size:1.05rem}
.nav{display:flex;align-items:center;gap:2rem}
.nav a{text-decoration:none;font-weight:500;color:#d3e0e8;transition:color .2s}
.nav a:hover{color:#fff}
.nav .nav-cta{background:#fff;color:var(--navy);padding:.55rem 1.2rem;font-weight:700;transition:background .2s}
.nav .nav-cta:hover{background:var(--amber);color:var(--navy)}
.burger{display:none;background:none;border:0;width:2.75rem;height:2.75rem;cursor:pointer;position:relative}
.burger span{position:absolute;left:.7rem;right:.7rem;height:2px;background:#fff;transition:transform .25s,top .25s}
.burger span:first-child{top:1.1rem}.burger span:last-child{top:1.6rem}
.burger[aria-expanded="true"] span:first-child{top:1.35rem;transform:rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{top:1.35rem;transform:rotate(-45deg)}

/* Buttons */
.btn{display:inline-block;padding:.95rem 1.7rem;font:700 1rem var(--font);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .2s,background .2s,color .2s,border-color .2s}
.btn-amber{background:var(--amber);color:var(--navy)}
.btn-amber:hover{background:#ffc94d;transform:translateY(-2px)}
.btn-line{border-color:#5f8099;color:#fff}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:clamp(4rem,9vw,8rem) 0 clamp(8rem,13vw,11rem)}
.hero-mark{position:absolute;right:-1vw;bottom:-.12em;font-size:clamp(11rem,37vw,34rem);font-weight:800;line-height:.78;letter-spacing:-.05em;color:var(--navy2);user-select:none;pointer-events:none}
.hero-copy{position:relative}
.hero-label{font-weight:500;color:#9fc3cf;margin-bottom:1.5rem;padding-left:1rem;border-left:4px solid var(--amber)}
.hero h1{font-size:clamp(2.7rem,6.6vw,5.8rem);font-weight:800;max-width:15ch;margin-bottom:1.75rem}
.lead{font-size:clamp(1.1rem,1.6vw,1.3rem);color:#c9d8e2;max-width:56ch;margin-bottom:2.25rem}
.actions{display:flex;flex-wrap:wrap;gap:1rem}
.wave{position:absolute;left:0;bottom:-1px;width:100%;height:clamp(50px,7vw,90px)}
.wave-line{stroke-dasharray:2000;stroke-dashoffset:2000;animation:draw 2.4s .4s ease-out forwards}
.hero-label,.hero h1,.lead,.actions{animation:rise .8s ease-out both}
.hero h1{animation-delay:.1s}.lead{animation-delay:.25s}.actions{animation-delay:.4s}
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
@keyframes draw{to{stroke-dashoffset:0}}

/* Facts strip */
.facts{position:relative;z-index:2;margin-top:-4.5rem}
.facts dl{margin:0;display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border-top:5px solid var(--amber);box-shadow:0 18px 40px -22px rgba(15,42,64,.45)}
.facts div{padding:1.75rem 2rem;border-right:1px solid var(--line)}
.facts div:last-child{border:0}
.facts dt{font-size:.9rem;color:var(--muted);font-weight:500}
.facts dd{margin:.25rem 0 0;font-size:1.2rem;font-weight:700;line-height:1.3}

/* Sections */
.section{padding:clamp(4.5rem,9vw,8rem) 0}
.section-mist{background:var(--mist)}
h2{font-size:clamp(2rem,4vw,3.2rem);font-weight:800}
.sec-head{max-width:46rem;margin-bottom:clamp(2.5rem,5vw,4rem)}
.sec-head h2{margin-bottom:1rem}
.sec-head p{color:var(--muted);font-size:1.15rem}

/* About */
.about{display:grid;grid-template-columns:5fr 7fr;gap:clamp(2rem,6vw,6rem);align-items:start}
.about-head{position:sticky;top:7rem}
.about-head h2{margin-bottom:1.25rem}
.note{color:var(--muted);border-left:4px solid var(--teal);padding-left:1rem}
.about-body p{max-width:66ch;color:#33424d}
.about-body .big{font-size:1.4rem;line-height:1.45;color:var(--ink);font-weight:500;letter-spacing:-.01em}
.diagram{margin:2.5rem 0;padding:1.5rem;background:var(--mist);border:1px solid var(--line)}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.panel{padding:1.75rem;border:1px solid var(--line)}
.panel h3{font-size:1.3rem;margin-bottom:1rem}
.panel li{padding:.55rem 0 .55rem 1.4rem;position:relative;border-top:1px solid var(--line)}
.panel li::before{content:"";position:absolute;left:0;top:1.15rem;width:.6rem;height:.6rem;background:var(--teal)}
.panel-dark{background:var(--navy);border-color:var(--navy);color:#fff}
.panel-dark li{border-color:#2d4d68}.panel-dark li::before{background:var(--amber)}

/* Services */
.svc-list{border-top:2px solid var(--ink)}
.svc{display:grid;grid-template-columns:4fr 5fr 3fr;gap:var(--gap);align-items:start;padding:2.25rem 1rem;border-bottom:1px solid #c3cdd1;transition:background .25s,padding-left .25s}
.svc:hover{background:#fff;padding-left:1.75rem}
.svc h3{font-size:clamp(1.4rem,2.2vw,1.85rem)}
.svc p{margin:0;color:#3d4c57}
.tags{display:flex;flex-wrap:wrap;gap:.5rem}
.tags li{font-size:.9rem;font-weight:500;padding:.25rem .8rem;border:1px solid var(--teal);color:var(--navy);border-radius:2rem;background:rgba(43,122,140,.08)}

/* Benefits */
.sec-head.left{max-width:44rem}
.tiles{display:grid;grid-template-columns:repeat(12,1fr);gap:1.25rem}
.tile{padding:clamp(1.75rem,3vw,2.75rem);min-height:15rem;transition:transform .25s}
.tile:hover{transform:translateY(-4px)}
.tile h3{font-size:clamp(1.4rem,2.2vw,1.9rem);margin-bottom:1rem}
.tile p{margin:0;max-width:44ch}
.t-mist{grid-column:span 7;background:var(--mist)}
.t-navy{grid-column:span 5;background:var(--navy);color:#fff}.t-navy p{color:#c9d8e2}
.t-amber{grid-column:span 5;background:var(--amber);color:var(--navy)}
.t-line{grid-column:span 7;border:2px solid var(--ink)}

/* Contact */
.contact-sec{background:var(--navy);color:#fff}
.contact{display:grid;grid-template-columns:5fr 7fr;gap:clamp(2rem,6vw,6rem);align-items:start}
.contact h2{margin-bottom:1.25rem}
.contact-info>p{color:#c9d8e2;max-width:44ch}
address{font-style:normal;margin-top:2rem;padding:1.5rem 0 0 1.25rem;border-left:4px solid var(--amber)}
address p{margin-bottom:.9rem}
address a{color:var(--amber);font-weight:700}
.form{background:#fff;color:var(--ink);padding:clamp(1.5rem,3.5vw,3rem)}
.field{margin-bottom:1.25rem}
.field label{display:block;font-weight:700;font-size:.95rem;margin-bottom:.4rem}
.field input[type=text],.field input[type=email],.field textarea{width:100%;font:inherit;padding:.8rem 1rem;border:1.5px solid #aebbc2;background:var(--paper);border-radius:0;transition:border-color .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(43,122,140,.2)}
.field.invalid input,.field.invalid textarea{border-color:#b3261e}
.err{display:block;color:#b3261e;font-size:.9rem;margin-top:.35rem;min-height:0}
.field.check{display:grid;grid-template-columns:auto 1fr;gap:.2rem .75rem;align-items:start}
.field.check input{margin-top:.35rem;width:1.1rem;height:1.1rem;accent-color:var(--teal)}
.field.check label{font-weight:400;margin:0}
.field.check .err{grid-column:2}
.status{margin:1rem 0 0;font-weight:500;color:var(--teal)}

/* Footer */
.site-footer{background:#0a1d2d;color:#b6c6d1;padding-top:3.5rem;font-size:.98rem}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}
.foot-name{color:#fff;font-weight:800;font-size:1.2rem;margin-bottom:.5rem}
.foot nav{display:flex;flex-direction:column;gap:.5rem}
.site-footer a{text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}
.copy{margin-top:2.5rem;padding:1.5rem 0;border-top:1px solid #1d3a52;font-size:.9rem}

/* Scroll reveal (subtle) */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}

/* Responsive */
@media (max-width:1000px){
  .about,.contact{grid-template-columns:1fr}
  .about-head{position:static}
  .svc{grid-template-columns:1fr 1fr}
  .svc h3{grid-column:1/-1}
  .t-mist,.t-navy,.t-amber,.t-line{grid-column:span 12}
}
@media (max-width:820px){
  .burger{display:block}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--navy);flex-direction:column;align-items:stretch;gap:0;padding:.5rem var(--gap) 1.5rem;border-top:1px solid #2d4d68;display:none}
  .nav.open{display:flex}
  .nav a{padding:.9rem 0;border-bottom:1px solid #2d4d68}
  .nav .nav-cta{margin-top:1rem;text-align:center;border:0}
  .facts dl{grid-template-columns:1fr}
  .facts div{border-right:0;border-bottom:1px solid var(--line)}
  .duo,.foot{grid-template-columns:1fr}
  .svc{grid-template-columns:1fr;padding-inline:0}
  .svc:hover{padding-left:.5rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .wave-line{stroke-dashoffset:0}
  .js .rv{opacity:1;transform:none}
}