/* Bauentsorgung Ost – Max Müller AG
   styles.css
   Design tokens: Orange #F25C05 (Traffic Orange inspired)
*/

:root{
  --c-bg: #ffffff;
  --c-text: #111827;
  --c-muted: #4b5563;
  --c-border: #e5e7eb;
  --c-soft: #f7f7f7;
  --c-soft-2: #f2f2f2;
  --c-brand: #F25C05;
  --c-brand-dark: #d94f04;

  --radius: 14px;
  --shadow: 0 10px 26px rgba(0,0,0,.08);

  --container: 1100px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: var(--font-sans);
  line-height:1.55;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img{ max-width:100%; height:auto; }
a{ color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover{ color: var(--c-brand-dark); }

.container{
  width: min(100% - 2*var(--space-4), var(--container));
  margin-inline: auto;
}

.skip-link{
  position:absolute;
  left:-999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left: var(--space-4);
  top: var(--space-4);
  width:auto;
  height:auto;
  padding: var(--space-2) var(--space-3);
  background: var(--c-bg);
  border: 2px solid var(--c-brand);
  border-radius: 10px;
  z-index: 9999;
}

.site-header{ position:sticky; top:0; z-index: 50; background: var(--c-bg); border-bottom: 1px solid var(--c-border); }
.topbar{
  background: var(--c-soft-2);
  font-size: 13px;
  color: var(--c-muted);
}
.topbar__inner{ display:flex; align-items:center; justify-content:space-between; gap: var(--space-3); padding: 10px 0; }
.topbar__left, .topbar__right{ display:flex; flex-wrap:wrap; gap: var(--space-2); align-items:center; }
.topbar__item{ white-space:nowrap; }

.navwrap{ background: var(--c-bg); }
.navwrap__inner{ display:flex; align-items:center; justify-content:space-between; gap: var(--space-4); padding: var(--space-3) 0; }

.brand{ display:flex; align-items:center; gap: var(--space-3); text-decoration:none; }
.brand__logo{ display:block; width: 160px; height:auto; }
.brand__sub{
  display:none;
  font-size: 13px;
  color: var(--c-muted);
  border-left: 1px solid var(--c-border);
  padding-left: var(--space-3);
}

.nav{ display:flex; align-items:center; gap: var(--space-3); }
.nav__toggle{
  display:none;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 600;
  cursor:pointer;
}
.nav__list{
  list-style:none;
  display:flex;
  gap: 14px;
  margin:0;
  padding:0;
  align-items:center;
}
.nav__link{
  text-decoration:none;
  padding: 10px 10px;
  border-radius: 10px;
  color: var(--c-muted);
  font-weight: 600;
  letter-spacing: .01em;
}
.nav__link:hover{ background: var(--c-soft); color: var(--c-text); }
.nav__link.is-active{ color: var(--c-text); background: rgba(242,92,5,.10); }
.nav__link--cta{
  background: var(--c-brand);
  color:#fff !important;
  box-shadow: 0 8px 18px rgba(242,92,5,.25);
}
.nav__link--cta:hover{
  background: var(--c-brand-dark);
}

.main{ padding: var(--space-6) 0; }

.h1{
  font-size: clamp(30px, 3.6vw, 46px);
  line-height:1.1;
  margin: 0 0 var(--space-3) 0;
  color: var(--c-brand);
}
.h2{
  font-size: clamp(20px, 2.2vw, 28px);
  margin: 0 0 var(--space-3) 0;
}
.lead{
  font-size: 18px;
  color: var(--c-text);
  margin: 0 0 var(--space-4) 0;
  max-width: 70ch;
}

.section{ margin-top: var(--space-6); }
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.card{
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: 0 0 0 rgba(0,0,0,0);
}
.card--soft{ background: var(--c-soft); border-color: var(--c-border); }
.card--shadow{ box-shadow: var(--shadow); }

.kicker{
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 12px;
  color: var(--c-muted);
  margin-bottom: var(--space-2);
}

.list{
  margin:0;
  padding-left: 18px;
  color: var(--c-text);
}
.list li{ margin-bottom: 10px; }

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  background: var(--c-brand);
  color:#fff;
  text-decoration:none;
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  cursor:pointer;
  box-shadow: 0 10px 20px rgba(242,92,5,.22);
}
.button:hover{ 
	background: var(--c-brand-dark); 
    color: #fff;
}
.button:focus{ outline: 3px solid rgba(242,92,5,.35); outline-offset: 2px; }

.button--ghost{
  background: transparent;
  color: var(--c-brand);
  border: 2px solid rgba(242,92,5,.35);
  box-shadow:none;
}
.button--ghost:hover{
  background: rgba(242,92,5,.08);
  border-color: rgba(242,92,5,.6);
}

.pill{
  display:inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(242,92,5,.10);
  color: var(--c-text);
  font-weight: 700;
  font-size: 13px;
}

.hr{ border:0; border-top: 1px solid var(--c-border); margin: var(--space-6) 0; }

.small{ color: var(--c-muted); font-size: 14px; }
.note{ color: var(--c-muted); font-size: 13px; }

.hero{
  padding-top: var(--space-4);
}
.hero__grid{
  grid-template-columns: 1.2fr .8fr;
  gap: var(--space-5);
  align-items:start;
}
.hero__aside{ position:relative; }

.badge{
  display:flex;
  gap: var(--space-2);
  flex-wrap:wrap;
  margin-bottom: var(--space-3);
}

.feature{
  display:flex;
  gap: var(--space-3);
}
.feature__icon{
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(242,92,5,.12);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight: 900;
  color: var(--c-brand);
}

.columns-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.form{
  display:grid;
  gap: var(--space-3);
}
.form__row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
label{
  font-weight: 700;
  font-size: 14px;
}
input, textarea, select{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--c-border);
  font: inherit;
  background: #fff;
}
textarea{ min-height: 120px; resize: vertical; }
input:focus, textarea:focus, select:focus{
  outline: 3px solid rgba(242,92,5,.25);
  border-color: rgba(242,92,5,.45);
}
.field{ display:grid; gap: 8px; }
.error{
  color: #b91c1c;
  font-size: 13px;
  margin-top: 6px;
}
.success{
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 12px 14px;
  border-radius: 12px;
}
.alert{
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  padding: 12px 14px;
  border-radius: 12px;
}

.site-footer{
  border-top: 1px solid var(--c-border);
  background: var(--c-bg);
  padding: var(--space-6) 0 var(--space-4);
}
.footer__grid{
  display:grid;
  grid-template-columns: 1.2fr 1.2fr .8fr;
  gap: var(--space-5);
}
.footer__title{ font-size: 16px; margin: 0 0 var(--space-2) 0; }
.footer__text{ margin: 0 0 var(--space-2) 0; color: var(--c-muted); }
.footer__small{ margin: 0; color: var(--c-muted); font-size: 13px; }
.footer__bottom{
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--c-border);
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  color: var(--c-muted);
  font-size: 13px;
}
.footer__sep{ opacity:.5; }

/* FAQ */
.faq{
  display:grid;
  gap: var(--space-3);
}
.faq details{
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fff;
}
.faq summary{
  cursor:pointer;
  font-weight: 800;
}
.faq p{ margin: 10px 0 0 0; color: var(--c-muted); }

.line-break {
  display: block;
}

@media (max-width: 1090px){
  .grid{
    grid-template-columns: 1fr;
  }

  .grid > *{
    grid-column: auto !important;
  }
}

/* Responsive */
@media (max-width: 900px){
  .hero__grid{ grid-template-columns: 1fr; }
  .columns-3{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; }
  .brand__sub{ display:none; }
}
@media (max-width: 760px){
  .topbar__inner{ flex-direction:column; align-items:flex-start; }
  .nav__toggle{ display:inline-flex; }
  .nav__list{
    display:none;
    position:absolute;
    right: var(--space-4);
    top: 114px;
    flex-direction:column;
    align-items:stretch;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: 14px;
    padding: 10px;
    gap: 6px;
    width: min(92vw, 320px);
    box-shadow: var(--shadow);
  }
  .nav__list.is-open{ display:flex; }
  .navwrap__inner{ position:relative; }
  .form__row{ grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; }
}