/* Sanierungsrechner – Bad Barrierearm
   Optik angelehnt an bad-barrierearm.de (Nicepage): Open Sans, Primärblau #478ac9.
   Schriften systemseitig; beim Livegang Open Sans lokal einbetten (DSGVO). */

:root{
  --blau:#478ac9;
  --blau-dark:#387cbd;
  --blau-tief:#2f6296;
  --rot:#db545a;
  --rot-dark:#b73c42;
  --ink:#1f2a37;
  --muted:#5b6673;
  --line:#e2e8f0;
  --bg:#f4f7fb;
  --card:#ffffff;
  --hint:#eef4fb;
  --warn:#fff7e6;
  --ok:#e7f6ec;
  --err:#fdecec;
  --radius:16px;
  --shadow:0 12px 34px rgba(31,42,55,.09);
  --font:'Open Sans','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--font)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blau-dark)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.center{text-align:center}
h1,h2,h3{line-height:1.2;margin:0}

/* ---------- Topbar ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.topbar-inner{max-width:1180px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand-logo{max-height:48px;width:auto}
.phone{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.phone-icon{font-size:23px;color:var(--blau)}
.phone-text{display:flex;flex-direction:column;line-height:1.2}
.phone-text strong{font-size:19px;white-space:nowrap}
.phone-text small{color:var(--muted);font-size:12px}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,var(--blau-tief),var(--blau));color:#fff;padding:70px 0}
.hero .eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:700;opacity:.9;margin:0 0 12px}
.hero h1{font-size:clamp(30px,5vw,52px)}
.hero h1 span{color:#dbeafe}
.hero .lead{max-width:730px;font-size:18px;margin:20px 0 0;opacity:.95}
.trust{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.trust span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:8px 16px;font-size:14px}

/* ---------- Calc-Section ---------- */
.calc-section{padding:52px 0 72px}
.calc-head{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.calc-head h2{font-size:30px;color:var(--blau-tief)}
.calc-sub{color:var(--blau-dark);font-weight:600;margin:0}
.calc-head .badge{margin-left:auto;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:13px;color:var(--muted);box-shadow:var(--shadow)}

.status{padding:15px 18px;border-radius:12px;margin:16px 0}
.status.success{background:var(--ok)}
.status.error{background:var(--err);color:#9f2d2d}

.stepper{list-style:none;display:flex;gap:12px;padding:0;margin:22px 0 28px;flex-wrap:wrap}
.stepper li{display:flex;align-items:center;gap:9px;color:var(--muted);font-weight:600;font-size:14px;padding:9px 16px;border:1px solid var(--line);border-radius:999px;background:#fff}
.stepper li span{display:inline-flex;width:22px;height:22px;border-radius:50%;background:#e2e8f0;color:#fff;align-items:center;justify-content:center;font-size:13px}
.stepper li.active{color:var(--blau-tief);border-color:var(--blau)}
.stepper li.active span{background:var(--blau)}

.calc-grid{display:grid;grid-template-columns:1.6fr .9fr;gap:28px;align-items:start}

/* ---------- Panels ---------- */
.calc-main{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}
.field{margin-bottom:30px}
.field:last-of-type{margin-bottom:22px}
.field>label,.legend{display:block;font-weight:700;margin-bottom:12px}
.legend small{font-weight:400;color:var(--muted)}
.range{display:flex;align-items:center;gap:16px}
.range input[type=range]{width:100%;accent-color:var(--blau)}
.range output{min-width:82px;text-align:center;background:var(--hint);color:var(--blau-tief);border-radius:9px;padding:9px;font-weight:700}
.range-scale{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:6px}
select,input[type=text],input[type=email],input[type=tel],textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:13px 14px;font:inherit;background:#fff;color:var(--ink)}
select:focus,input:focus,textarea:focus{outline:2px solid var(--blau);outline-offset:1px;border-color:var(--blau)}
textarea{min-height:120px;resize:vertical}

.conditions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.condition{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff;cursor:pointer;text-align:center;transition:.15s}
.condition strong{display:block;font-size:15px}
.condition small{color:var(--muted);font-size:12px}
.condition:hover{border-color:var(--blau)}
.condition.active{border:2px solid var(--blau);background:var(--hint)}

.packages{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.package{border:1px solid var(--line);border-radius:13px;padding:16px 13px;background:#fff;cursor:pointer;text-align:center;display:flex;flex-direction:column;gap:3px;transition:.15s}
.package:hover{border-color:var(--blau)}
.package.active{border:2px solid var(--blau);background:var(--hint);box-shadow:0 6px 16px rgba(71,138,201,.18)}
.pkg-code{font-size:27px;font-weight:800;color:var(--blau-tief)}
.pkg-name{font-weight:700;font-size:14px}
.pkg-sub{color:var(--muted);font-size:12px;min-height:34px}
.pkg-price{font-weight:800;margin-top:8px}
.pkg-net{color:var(--muted);font-size:12px}

.checks{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.check{display:flex;gap:11px;border:1px solid var(--line);border-radius:11px;padding:13px 14px;cursor:pointer;background:#fff}
.check:hover{border-color:var(--blau)}
.check input{margin-top:3px;accent-color:var(--blau)}
.check strong{display:block;font-size:14px;font-weight:600}
.check small{color:var(--muted);font-size:12px}

.hint-box{background:var(--hint);border-radius:12px;padding:15px 17px;font-size:14px;color:var(--muted)}
.hint-box strong{color:var(--ink)}

.panel-actions{display:flex;gap:14px;justify-content:flex-end;margin-top:28px}
.btn{border:0;border-radius:12px;padding:15px 26px;font:inherit;font-weight:700;font-size:16px;cursor:pointer}
.btn-primary{background:var(--blau);color:#fff}
.btn-primary:hover{background:var(--blau-dark)}
.btn-ghost{background:#fff;color:var(--blau-dark);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--blau)}

/* ---------- Formular ---------- */
.form-title{font-size:23px;color:var(--blau-tief);margin-bottom:8px}
.form-intro{color:var(--muted);margin:0 0 24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid label{display:block;font-weight:600;margin-bottom:7px;font-size:14px}
.full{grid-column:1/-1}
.upload{border:2px dashed #b9d0ea;border-radius:12px;padding:18px;background:#fafcff}
.upload .small,.small{color:var(--muted);font-size:13px}
.consent{display:flex;gap:11px;align-items:flex-start;font-size:14px}
.consent label{font-weight:400;margin:0}
.honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---------- Zusammenfassung ---------- */
.summary{position:sticky;top:92px}
.summary-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}
.summary .small{color:var(--muted);font-size:13px}
.summary-meta{color:var(--muted);font-size:14px;margin-top:3px}
.price{font-size:42px;font-weight:800;color:var(--blau);line-height:1.1;margin:10px 0 2px}
.muted{color:var(--muted);font-size:14px}
.price-brutto{color:var(--muted);font-size:14px;margin-top:7px}
.rows{margin:20px 0;border-top:1px solid var(--line)}
.row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.row.total{border-bottom:0;padding-top:13px;font-weight:800;color:var(--blau-tief)}
.included{background:#f6f9fd;border-radius:12px;padding:16px}
.included ul{margin:8px 0 0;padding-left:18px}
.included li{margin-bottom:5px;font-size:14px}
.notice{background:var(--warn);border-radius:11px;padding:14px 15px;margin-top:18px;font-size:13px;color:#7a5b12}
.notice strong{color:#5c4409}

/* ---------- Interne Berechnungsgrundlage (rote Kachel) ---------- */
.calc-basis{margin-top:20px;border:2px solid var(--rot);border-radius:var(--radius);background:#fff;box-shadow:0 10px 26px rgba(219,84,90,.14);overflow:hidden}
.cb-flag{background:var(--rot);color:#fff;font-weight:700;font-size:12.5px;padding:10px 16px;letter-spacing:.02em}
.cb-body{padding:18px}
.cb-intro{font-size:13px;color:var(--ink);margin:0 0 10px}
.cb-intro strong{color:var(--rot-dark)}
.cb-calc{border-top:1px solid var(--line);margin-top:8px}
.cb-row{display:flex;justify-content:space-between;gap:14px;padding:7px 0;border-bottom:1px dashed var(--line);font-size:13px}
.cb-row span:last-child{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}
.cb-row.cb-minus span:last-child{color:#2e7d32}
.cb-row.cb-sub{font-weight:700}
.cb-row.cb-total{color:var(--rot-dark);font-weight:800;border-bottom:0}
.cb-note{font-size:12px;color:var(--muted);margin:12px 0 0}
.cb-note code{background:#fbeced;color:#a02128;padding:1px 6px;border-radius:4px;font-size:11px}

/* ---------- So funktioniert's ---------- */
.steps-section{padding:56px 0 76px}
.steps-section h2{font-size:28px;color:var(--blau-tief);margin-bottom:32px}
.steps{display:flex;align-items:stretch;justify-content:center;gap:20px;flex-wrap:wrap}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;max-width:290px;flex:1 1 230px;text-align:center}
.step-num{width:40px;height:40px;border-radius:50%;background:var(--blau);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.step h3{font-size:18px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14px;margin:0}
.step-arrow{display:flex;align-items:center;color:var(--blau);font-size:28px}

/* ---------- Footer ---------- */
.footer{background:#0f1b2a;color:#c7d2de;padding:26px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px}
.footer a{color:#c7d2de;text-decoration:none;margin-left:14px}
.footer-links a:first-child{margin-left:0}
.footer a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .calc-grid{grid-template-columns:1fr}
  .summary{position:static}
}
@media(max-width:620px){
  /* Topbar kompakter: Telefonnummer IMMER einzeilig, Logo entsprechend kleiner */
  .topbar-inner{padding:10px 14px;gap:10px}
  .brand{min-width:0;flex-shrink:1}
  .brand-logo{max-height:24px;max-width:100%}
  .phone{gap:7px;flex-shrink:0}
  .phone-icon{font-size:16px}
  .phone-text strong{font-size:14px}
  .phone-text small{font-size:10px}

  .wrap{padding:0 16px}
  .hero{padding:48px 0}

  /* Punkt 4 (Sanierungspakete): vier volle Zeilen statt zweispaltig */
  .packages{grid-template-columns:1fr}
  .package{padding:13px 16px}
  .pkg-sub{min-height:0}

  .conditions{grid-template-columns:1fr}
  .checks,.form-grid{grid-template-columns:1fr}
  .step-arrow{transform:rotate(90deg)}
  .calc-head .badge{margin-left:0}
}
/* Sehr schmale Handys (360–400 px): Logo weiter verkleinern, damit die
   einzeilige Telefonnummer garantiert ohne Overflow daneben passt. */
@media(max-width:400px){
  .brand-logo{max-height:21px}
  .phone-text strong{font-size:13px}
}