/* ===========================================================
   Verkehrswertgutachten Rommelmann – Design System
   Schnell (system fonts), mobil-first, barrierearm.
   =========================================================== */
:root{
  --navy:#1f3a5f; --blue:#2e75b6; --blue-dk:#255f97; --steel:#34708c;
  --ink:#1d2530; --muted:#586273; --line:#e3e9f0;
  --bg:#ffffff; --soft:#f4f8fc; --soft2:#eaf1f8; --ok:#3f7a33; --warn:#b5740f;
  --radius:14px; --radius-sm:9px; --maxw:1120px;
  --shadow:0 6px 24px rgba(31,58,95,.08); --shadow-sm:0 2px 10px rgba(31,58,95,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; color:var(--ink); background:var(--bg); line-height:1.6;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px; -webkit-font-smoothing:antialiased;
}
h1,h2,h3{line-height:1.22; color:var(--navy); margin:0 0 .5em; font-weight:700}
h1{font-size:2.05rem; letter-spacing:-.01em}
h2{font-size:1.5rem; margin-top:1.2em}
h3{font-size:1.15rem; color:var(--steel)}
p{margin:0 0 1rem}
a{color:var(--blue-dk); text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%; height:auto; display:block}
.container{max-width:var(--maxw); margin:0 auto; padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.center{text-align:center}

/* ---------- Skip link / a11y ---------- */
.skip{position:absolute; left:-999px; top:0; background:var(--navy); color:#fff; padding:10px 16px; z-index:200}
.skip:focus{left:8px; top:8px}

/* ---------- Header ---------- */
.site-header{position:sticky; top:0; z-index:100; background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px); border-bottom:1px solid var(--line)}
.bar{display:flex; align-items:center; gap:16px; padding:12px 0}
.brand{display:flex; flex-direction:column; line-height:1.1; font-weight:700; color:var(--navy)}
.brand b{font-size:1.05rem}
.brand span{font-size:.72rem; color:var(--steel); font-weight:600; letter-spacing:.02em}
.nav{margin-left:auto; display:flex; align-items:center; gap:18px}
.nav a{color:var(--ink); font-weight:600; font-size:.96rem}
.nav .has-sub{position:relative}
.nav .sub{position:absolute; top:130%; left:0; background:#fff; border:1px solid var(--line);
  box-shadow:var(--shadow); border-radius:10px; padding:8px; min-width:240px; display:none}
.nav .has-sub:hover .sub, .nav .has-sub:focus-within .sub{display:block}
.nav .sub a{display:block; padding:8px 10px; border-radius:7px; font-size:.92rem}
.nav .sub a:hover{background:var(--soft); text-decoration:none}
.header-cta{display:flex; align-items:center; gap:10px}
.tel{font-weight:700; color:var(--navy); white-space:nowrap}
.tel small{display:block; font-size:.66rem; color:var(--steel); font-weight:600}
.menu-toggle{display:none}
.hamburger{display:none}

/* ---------- Buttons ---------- */
.btn{display:inline-block; border-radius:10px; padding:13px 22px; font-weight:700;
  font-size:1rem; cursor:pointer; border:2px solid transparent; transition:.15s; text-align:center}
.btn:hover{text-decoration:none; transform:translateY(-1px)}
.btn-primary{background:var(--blue); color:#fff}
.btn-primary:hover{background:var(--blue-dk); color:#fff}
.btn-ghost{background:#fff; color:var(--navy); border-color:#c6d6e6}
.btn-ghost:hover{border-color:var(--blue); color:var(--blue-dk)}
.btn-light{background:#fff; color:var(--navy)}
.btn-row{display:flex; gap:12px; flex-wrap:wrap}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,#f4f8fc 0%,#e7f0f9 55%,#dde9f5 100%); border-bottom:1px solid var(--line)}
.hero .container{padding-top:54px; padding-bottom:54px}
.hero h1{font-size:2.4rem; max-width:18ch}
.hero .lead{font-size:1.2rem; color:#33414f; max-width:60ch; margin-bottom:1.4rem}
.eyebrow{display:inline-block; background:#fff; color:var(--steel); border:1px solid #cfe0ef;
  border-radius:999px; padding:6px 14px; font-weight:700; font-size:.8rem; margin-bottom:16px}
.trustline{margin-top:18px; display:flex; gap:18px; flex-wrap:wrap; color:var(--navy); font-weight:600; font-size:.92rem}
.trustline span{display:flex; align-items:center; gap:7px}
.tick{color:var(--ok); font-weight:900}

/* ---------- Sections ---------- */
section{padding:42px 0}
.section-soft{background:var(--soft)}
.section-navy{background:var(--navy); color:#eaf1f8}
.section-navy h2,.section-navy h3{color:#fff}
.lead-narrow{max-width:70ch}

/* ---------- Cards / grid ---------- */
.grid{display:grid; gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:22px; box-shadow:var(--shadow-sm)}
.card h3{margin-top:0; color:var(--navy)}
.card.link-card:hover{border-color:var(--blue); box-shadow:var(--shadow)}
.card .more{font-weight:700; color:var(--blue-dk)}
.icon-dot{width:42px; height:42px; border-radius:11px; background:var(--soft2); color:var(--blue-dk);
  display:flex; align-items:center; justify-content:center; font-weight:900; font-size:1.1rem; margin-bottom:12px}

/* ---------- Steps ---------- */
.steps{counter-reset:s; display:grid; gap:16px; grid-template-columns:repeat(3,1fr)}
.step{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:22px; position:relative}
.step::before{counter-increment:s; content:counter(s); position:absolute; top:-14px; left:20px;
  width:34px; height:34px; background:var(--blue); color:#fff; border-radius:50%; display:flex;
  align-items:center; justify-content:center; font-weight:800}

/* ---------- Callouts ---------- */
.callout{border-left:5px solid var(--blue); background:var(--soft); border-radius:0 12px 12px 0; padding:18px 20px; margin:18px 0}
.callout.ok{border-color:var(--ok); background:#eef6ea}
.callout.warn{border-color:var(--warn); background:#fbf3e6}
.callout h3{margin-top:0}

/* ---------- Trust bar ---------- */
.trustbar{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:18px 22px;
  display:flex; gap:26px; flex-wrap:wrap; justify-content:center; box-shadow:var(--shadow-sm)}
.trustbar div{font-weight:700; color:var(--navy); font-size:.95rem}
.trustbar small{display:block; color:var(--muted); font-weight:500; font-size:.8rem}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--navy),#274d77); color:#fff}
.cta-band h2{color:#fff; margin-top:0}
.cta-band p{color:#d3e0ee; max-width:60ch}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:.84rem; color:var(--muted); padding:14px 0 0}
.crumb a{color:var(--steel)}

/* ---------- Article / prose ---------- */
.prose{max-width:74ch}
.prose ul{padding-left:20px}
.prose li{margin:.35em 0}
.faq-item{border:1px solid var(--line); border-radius:12px; padding:6px 18px; margin:10px 0; background:#fff}
.faq-item summary{font-weight:700; color:var(--navy); cursor:pointer; padding:12px 0; list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"+ "; color:var(--blue); font-weight:900}
.faq-item[open] summary::before{content:"– "}
.faq-item p{padding-bottom:8px}

/* ---------- Table ---------- */
.tbl{width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--line); border-radius:12px; overflow:hidden}
.tbl th,.tbl td{padding:11px 14px; text-align:left; border-bottom:1px solid var(--line); font-size:.95rem; vertical-align:top}
.tbl th{background:var(--navy); color:#fff}
.tbl tr:nth-child(even) td{background:var(--soft)}

/* ---------- Form ---------- */
.form-wrap{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow)}
.field{margin-bottom:15px}
.field label{display:block; font-weight:600; margin-bottom:6px; font-size:.95rem}
.field input,.field select,.field textarea{width:100%; padding:12px 14px; border:1px solid #c6d2df;
  border-radius:9px; font-size:1rem; font-family:inherit; background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid #bcd4ec; border-color:var(--blue)}
.field textarea{min-height:120px; resize:vertical}
.hp{position:absolute; left:-9999px}
.consent{display:flex; gap:10px; align-items:flex-start; font-size:.86rem; color:var(--muted)}
.consent input{width:auto; margin-top:4px}
.form-note{font-size:.82rem; color:var(--muted); margin-top:10px}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy); color:#cdd9e6; padding:46px 0 26px; margin-top:10px}
.site-footer h4{color:#fff; font-size:1rem; margin:0 0 12px}
.site-footer a{color:#cdd9e6}
.site-footer a:hover{color:#fff}
.foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:26px}
.foot-grid ul{list-style:none; padding:0; margin:0}
.foot-grid li{margin:.3em 0; font-size:.92rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15); margin-top:28px; padding-top:18px;
  font-size:.8rem; color:#9fb2c6; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px}
.disclaimer{font-size:.78rem; color:#8ea4ba; margin-top:14px; max-width:90ch}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .grid-3,.grid-4,.steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:2rem}
}
@media (max-width:680px){
  body{font-size:16px}
  .grid-2,.grid-3,.grid-4,.steps{grid-template-columns:1fr}
  .hamburger{display:flex; flex-direction:column; gap:5px; margin-left:auto; background:none;
    border:0; padding:8px; cursor:pointer}
  .hamburger span{width:26px; height:3px; background:var(--navy); border-radius:2px}
  .nav{position:fixed; inset:0 0 0 auto; width:80%; max-width:320px; background:#fff; flex-direction:column;
    align-items:flex-start; gap:4px; padding:80px 22px 22px; transform:translateX(100%); transition:.25s;
    box-shadow:-6px 0 30px rgba(0,0,0,.15); overflow:auto}
  .nav a{padding:10px 0; width:100%; border-bottom:1px solid var(--line)}
  .nav .sub{position:static; display:block; box-shadow:none; border:0; padding:0 0 0 12px; min-width:0}
  .nav .sub a{padding:8px 0}
  .menu-toggle:checked ~ .nav{transform:translateX(0)}
  .header-cta .btn{display:none}
  .foot-grid{grid-template-columns:1fr}
  .trustbar{gap:14px}
}