/* Bauservice Nordbayern — design system v1
   Palette: navy #1F3864, orange #E8600A, gray #F4F4F2 */
:root{
  --navy:#1F3864; --navy-d:#16294a; --orange:#E8600A; --orange-d:#c95208;
  --bg:#F4F4F2; --white:#fff; --text:#222; --muted:#5a5f66; --line:#e3e3e0;
  --r:8px; --shadow:0 2px 10px rgba(31,56,100,.08); --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font:16px/1.6 Inter,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:var(--white)}
img{max-width:100%;display:block}
a{color:var(--navy)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:"Arial Narrow",Inter,Arial,sans-serif;font-weight:700;line-height:1.2;color:var(--navy);letter-spacing:.2px}
h1{font-size:clamp(1.7rem,4vw,2.6rem)}
h2{font-size:clamp(1.35rem,3vw,1.9rem);margin-bottom:.6em}
h3{font-size:1.15rem;margin-bottom:.4em}
section{padding:56px 0}
.section-alt{background:var(--bg)}
.section-navy{background:var(--navy);color:#fff}
.section-navy h2{color:#fff}
.lead{font-size:1.06rem;color:var(--muted)}

/* Buttons */
.btn{display:inline-block;background:var(--orange);color:#fff;font-weight:700;
  padding:14px 26px;border:none;border-radius:var(--r);cursor:pointer;text-decoration:none;
  font-size:1rem;transition:background .15s}
.btn:hover{background:var(--orange-d)}
.btn-block{display:block;width:100%;text-align:center}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:var(--navy);box-shadow:0 1px 6px rgba(0,0,0,.25)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 20px;max-width:var(--maxw);margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo svg{height:44px;width:auto}
.nav{display:flex;gap:22px;align-items:center}
.nav a{color:#fff;text-decoration:none;font-weight:600;font-size:.95rem}
.nav a:hover{color:#ffd9bd}
.header-cta{white-space:nowrap;padding:11px 18px;font-size:.95rem}
.burger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.burger span{display:block;width:26px;height:3px;background:#fff;margin:5px 0;border-radius:2px}

/* Breadcrumb */
.crumbs{font-size:.85rem;color:var(--muted);padding:12px 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* Hero */
.hero{background:linear-gradient(rgba(22,41,74,.78),rgba(22,41,74,.78)),var(--navy) center/cover;position:relative}
.hero.has-img{background-image:linear-gradient(rgba(22,41,74,.72),rgba(22,41,74,.72)),url(../img/hero-trockenbau.webp)}
.hero-in{padding:64px 0;color:#fff;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{color:#fff}
.hero .sub{margin:14px 0 6px;font-size:1.1rem;color:#e8ecf4}
.price-anchor{display:inline-block;margin-top:14px;background:rgba(232,96,10,.15);border:1px solid var(--orange);
  border-radius:var(--r);padding:10px 16px;font-weight:600;color:#ffd9bd;font-size:.98rem}

/* Quote form card */
.quote-card{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:24px;color:var(--text)}
.quote-card h3{margin-bottom:12px}
.field{margin-bottom:12px}
.field label{display:block;font-size:.86rem;font-weight:600;margin-bottom:4px;color:var(--navy)}
.field input:not([type=checkbox]):not([type=radio]),.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid #c9cdd4;border-radius:var(--r);font:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--orange);border-color:var(--orange)}
.field-note{font-size:.8rem;color:var(--muted);margin-top:8px}
.radio-row{display:flex;gap:16px;flex-wrap:wrap;font-size:.92rem}
.radio-row label{font-weight:400;display:flex;align-items:center;gap:6px;white-space:nowrap}
.consent{display:flex;gap:8px;align-items:flex-start;font-size:.8rem;color:var(--muted)}
.consent input{margin-top:3px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* Trust bar */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:26px 0}
.trust-item{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:16px;text-align:center;font-weight:700;color:var(--navy);font-size:.95rem}
.trust-item svg{display:block;margin:0 auto 8px;width:30px;height:30px;stroke:var(--orange)}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:22px}
.card .icon{width:40px;height:40px;stroke:var(--orange);margin-bottom:12px}
.card .price{font-weight:700;color:var(--navy);margin-top:8px}
.card a.more{color:var(--orange);font-weight:700;text-decoration:none}
.card a.more:hover{text-decoration:underline}

/* At-a-glance */
.glance{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:22px}
.glance ul{list-style:none}
.glance li{padding:7px 0;border-bottom:1px solid var(--line);display:flex;gap:10px;font-size:.96rem}
.glance li:last-child{border-bottom:0}
.glance b{color:var(--navy)}
.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:start}

/* Calculator */
.calc{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:26px;color:var(--text)}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.calc-result{margin-top:18px;padding:16px;background:var(--bg);border-radius:var(--r)}
.calc-result .sum{font-size:1.35rem;font-weight:700;color:var(--navy)}
.calc-result .mat{color:var(--muted);margin-top:2px}
.calc-note{font-size:.78rem;color:var(--muted);margin-top:10px}
.range-row{display:flex;gap:12px;align-items:center}
.range-row input[type=range]{flex:1;accent-color:var(--orange)}
.range-row input[type=number]{width:90px}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{text-align:center;position:relative}
.step .num{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-size:1.1rem}
.step h3{font-size:1rem}
.step p{font-size:.88rem;color:var(--muted)}

/* Tables */
.price-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.price-table th{background:var(--orange);color:#fff;text-align:left;padding:12px 14px;font-size:.92rem}
.price-table td{padding:11px 14px;border-bottom:1px solid var(--line);font-size:.95rem}
.price-table tr:nth-child(even) td{background:#fafaf8}
.price-table tr:last-child td{border-bottom:0}
.table-note{font-size:.82rem;color:var(--muted);margin-top:10px}
.table-wrap{overflow-x:auto}

/* FAQ */
.faq details{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:10px;padding:0 18px}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:15px 0;list-style:none;position:relative;padding-right:28px}
.faq summary::after{content:"+";position:absolute;right:2px;top:12px;font-size:1.3rem;color:var(--orange)}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 0 15px;color:var(--text);font-size:.95rem}

/* B2B / info strip */
.strip{background:#fff;border-left:4px solid var(--orange);border-radius:var(--r);box-shadow:var(--shadow);padding:18px 20px;font-size:.95rem}

/* Related */
.related .card{display:flex;align-items:center;gap:14px;padding:16px 20px}
.related .card .icon{margin:0;width:32px;height:32px}
.related .card a{font-weight:700;text-decoration:none;color:var(--navy)}

/* Final CTA */
.final-cta{text-align:center}
.final-cta h2{margin-bottom:18px}

/* Footer */
.site-footer{background:#16233b;color:#c9d2e2;padding:40px 0 24px;font-size:.9rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:24px}
.site-footer a{color:#c9d2e2;text-decoration:none}
.site-footer a:hover{color:#fff}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:6px}
.footer-legal{border-top:1px solid #2a3a58;padding-top:16px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.82rem;color:#8d99b0}

/* Mobile */
@media(max-width:900px){
  .hero-in,.two-col{grid-template-columns:1fr}
  .trust{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .calc-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav{display:none;position:fixed;inset:64px 0 auto 0;background:var(--navy);flex-direction:column;
    padding:18px 20px;gap:16px;z-index:1010;box-shadow:0 8px 20px rgba(0,0,0,.3)}
  .nav.open{display:flex}
  .burger{display:block}
  .header-cta{padding:9px 12px;font-size:.85rem}
  section{padding:40px 0}
}
@media(max-width:520px){
  .trust{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
}

.field>label input[type=checkbox]{margin-right:8px;vertical-align:middle}