/* TS-Bau GmbH – statische Website (Nachbau des WebsiteBaker-Templates, responsiv) */

:root {
  --red: #e1001a;
  --red-dark: #b80015;
  --dark: #403f3f;
  --mid: #5b5959;
  --text: #3d3d3d;
  --muted: #6f6f6f;
  --line: #e3e1df;
  --bg: #f4f3f2;
  --white: #fff;
  --radius: 6px;
  --wrap: 1100px;
  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--red); text-underline-offset: 2px; }
a:hover { color: var(--red-dark); text-decoration: none; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; padding: 8px 12px; }

/* ---------- Header ---------- */
.site-header { background: var(--white); border-top: 4px solid var(--red); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding-top: 18px; padding-bottom: 18px;
}
.logo img { width: 262px; height: auto; }
.topmenu { list-style: none; margin: 0; padding: 0; display: flex; gap: 22px; font-size: .85rem; }
.topmenu a { color: #8a8a8a; text-decoration: none; }
.topmenu a:hover, .topmenu a[aria-current="page"] { color: var(--red); }

.mainnav { background: linear-gradient(#6a6767, var(--mid)); }
.mainnav ul { list-style: none; margin: 0 auto; padding: 0 24px; max-width: var(--wrap); display: flex; }
.mainnav a {
  display: block; padding: 13px 20px; color: #fff; text-decoration: none;
  font-size: .95rem; letter-spacing: .01em; border-bottom: 3px solid transparent;
}
.mainnav a:hover { background: rgba(255,255,255,.08); }
.mainnav a[aria-current="page"] { background: rgba(0,0,0,.18); border-bottom-color: var(--red); }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 9px 11px; cursor: pointer;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--dark); margin: 4px 0; }
.mobilemenu { display: none; }

/* ---------- Content ---------- */
main { background: var(--white); }
.content { padding-top: 36px; padding-bottom: 60px; min-height: 50vh; }
h1, h2, h3 { line-height: 1.25; }
h1 { color: var(--red); font-weight: 500; font-size: 2rem; margin: 0 0 4px; }
.lead { font-size: 1.15rem; font-weight: 600; color: var(--text); margin: 0 0 28px; }
h2 { font-size: 1.3rem; color: var(--dark); margin: 32px 0 10px; }
h3 { font-size: 1.1rem; color: var(--dark); margin: 26px 0 8px; }
p { margin: 0 0 1em; }
.content ul { padding-left: 1.3em; }
.divider {
  border: 0; height: 40px; margin: 10px 0 20px;
  background: radial-gradient(ellipse at top, rgba(0,0,0,.07), rgba(0,0,0,0) 70%);
  border-top: 1px solid var(--line);
}

/* ---------- Startseite ---------- */
.hero { background: var(--white); padding-top: 24px; }
.slider {
  position: relative; overflow: hidden; border-radius: var(--radius);
  aspect-ratio: 850 / 400; background: #ddd;
}
.slider img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 1.2s ease;
}
.slider img.active { opacity: 1; }
.slider-dots { position: absolute; left: 0; right: 0; bottom: 14px; display: flex; justify-content: center; gap: 8px; }
.slider-dots button {
  width: 12px; height: 12px; border-radius: 50%; border: 2px solid #fff;
  background: rgba(255,255,255,.35); padding: 0; cursor: pointer;
}
.slider-dots button.active { background: var(--red); border-color: var(--red); }
.slider-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(0,0,0,.35); color: #fff; font-size: 1.4rem; line-height: 1;
}
.slider-arrow:hover { background: var(--red); }
.slider-arrow.prev { left: 14px; }
.slider-arrow.next { right: 14px; }

.teaser { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
.teaser a {
  display: block; padding: 22px 24px; border: 1px solid var(--line); border-radius: var(--radius);
  text-decoration: none; color: var(--text); border-top: 4px solid var(--red);
  transition: box-shadow .2s, transform .2s;
}
.teaser a:hover { box-shadow: 0 8px 24px rgba(0,0,0,.08); transform: translateY(-2px); }
.teaser strong { display: block; color: var(--red); font-size: 1.1rem; margin-bottom: 6px; font-weight: 600; }
.teaser span { font-size: .93rem; color: var(--muted); }

/* ---------- Über uns ---------- */
.float-img { float: left; width: 46%; margin: 4px 28px 18px 0; border-radius: var(--radius); }
.clearfix::after { content: ""; display: table; clear: both; }

/* ---------- Galerie ---------- */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin: 0; padding: 0; list-style: none; }
.content .gallery { padding: 0; }
.gallery li { margin: 0; }
.gallery a {
  display: block; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3;
  background: #eee; position: relative;
}
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.gallery a:hover img { transform: scale(1.05); }
.gallery a::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 2px transparent; border-radius: var(--radius); transition: box-shadow .2s; }
.gallery a:hover::after, .gallery a:focus-visible::after { box-shadow: inset 0 0 0 3px var(--red); }

.lightbox {
  position: fixed; inset: 0; z-index: 1000; background: rgba(20,20,20,.94);
  display: none; align-items: center; justify-content: center; flex-direction: column;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 82vh; border-radius: 4px; box-shadow: 0 10px 40px rgba(0,0,0,.5); }
.lightbox .lb-count { color: #ccc; margin-top: 14px; font-size: .9rem; }
.lightbox button {
  position: absolute; background: rgba(255,255,255,.12); color: #fff; border: 0; cursor: pointer;
  width: 52px; height: 52px; border-radius: 50%; font-size: 1.6rem; line-height: 1;
}
.lightbox button:hover { background: var(--red); }
.lb-close { top: 18px; right: 18px; }
.lb-prev { left: 18px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 18px; top: 50%; transform: translateY(-50%); }

/* ---------- Musterhäuser ---------- */
.houses { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.house { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.house img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.house .noimg { aspect-ratio: 4 / 3; background: var(--bg); display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: .9rem; }
.house-body { padding: 16px 20px 20px; }
.house h2 { margin: 0 0 10px; font-size: 1.15rem; }
.pdf-links { list-style: none; padding: 0 !important; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.pdf-links a {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--red); text-decoration: none; font-size: .9rem;
}
.pdf-links a:hover { background: var(--red); color: #fff; }
.pdf-links a::before { content: "PDF"; font-size: .68rem; font-weight: 700; letter-spacing: .04em; }
.house .muted { color: var(--muted); font-size: .9rem; margin: 0; }

/* ---------- Kontakt ---------- */
.contact-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; align-items: start; }
.contact-box { background: var(--bg); border-radius: var(--radius); padding: 22px 24px; border-left: 4px solid var(--red); }
.contact-box p { margin: 0 0 .8em; }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
form .full { grid-column: 1 / -1; }
label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 4px; }
input[type=text], input[type=email], input[type=tel], textarea {
  width: 100%; padding: 10px 12px; font: inherit; font-size: .95rem; color: var(--text);
  border: 1px solid #cfccc9; border-radius: var(--radius); background: #fff;
}
input:focus, textarea:focus { border-color: var(--red); outline: none; box-shadow: 0 0 0 3px rgba(225,0,26,.12); }
textarea { min-height: 150px; resize: vertical; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { font-size: .88rem; font-weight: 600; margin-bottom: 4px; padding: 0; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .92rem; }
.check input { margin-top: 5px; accent-color: var(--red); }
.checks-inline { display: flex; gap: 24px; }
.req { color: var(--red); }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.btn {
  display: inline-block; background: var(--red); color: #fff; border: 0; border-radius: var(--radius);
  padding: 12px 26px; font: inherit; font-weight: 600; cursor: pointer;
}
.btn:hover { background: var(--red-dark); color: #fff; }
.notice { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 22px; display: none; }
.notice.ok { background: #e8f5ea; border-left: 4px solid #2e8540; display: block; }
.notice.err { background: #fdecee; border-left: 4px solid var(--red); display: block; }

/* ---------- Anfahrt / Sitemap / Rechtliches ---------- */
.route { display: grid; grid-template-columns: minmax(0, 602px) 1fr; gap: 40px; align-items: start; }
.route img { border: 1px solid var(--line); border-radius: var(--radius); }
.sitemap-list { list-style: none; padding: 0 !important; }
.sitemap-list li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.sitemap-list a { color: var(--text); text-decoration: none; }
.sitemap-list a:hover { color: var(--red); }
.legal { max-width: 860px; }
.legal h2 { font-size: 1.15rem; }
.legal p { overflow-wrap: anywhere; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: #b8b6b4; font-size: .9rem; }
.site-footer a { color: #d6d4d2; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; padding-top: 40px; padding-bottom: 30px; }
.footer-grid > div + div { border-left: 1px solid #5d5b5b; padding-left: 32px; }
.footer-grid h2 { color: #fff; font-size: .95rem; margin: 0 0 12px; font-weight: 600; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { padding: 2px 0; }
.footer-grid p { margin: 0; }
.copyright { border-top: 1px solid #5d5b5b; padding-top: 18px; padding-bottom: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .82rem; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .teaser { grid-template-columns: 1fr; }
  .contact-grid, .route { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .footer-grid > div + div { border-left: 0; padding-left: 0; border-top: 1px solid #5d5b5b; padding-top: 22px; }
}
@media (max-width: 760px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  .header-inner { padding-top: 12px; padding-bottom: 12px; }
  .content { padding-top: 24px; }
  .hero { padding-top: 16px; }
  .logo img { width: 190px; }
  .topmenu, .mainnav { display: none; }
  .nav-toggle { display: block; }
  .mobilemenu.open { display: block; background: var(--mid); }
  .mobilemenu ul { list-style: none; margin: 0; padding: 6px 0; }
  .mobilemenu a { display: block; padding: 11px 16px; color: #fff; text-decoration: none; }
  .mobilemenu a[aria-current="page"] { border-left: 4px solid var(--red); background: rgba(0,0,0,.15); }
  .mobilemenu .sub a { color: #d8d6d4; font-size: .92rem; }
  .mobilemenu hr { border: 0; border-top: 1px solid rgba(255,255,255,.15); margin: 4px 0; }
  h1 { font-size: 1.6rem; }
  .houses { grid-template-columns: 1fr; }
  form .row { grid-template-columns: 1fr; }
  .float-img { float: none; width: 100%; margin: 0 0 20px; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .slider-arrow { display: none; }
  .lb-prev, .lb-next { top: auto; bottom: 18px; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  .site-header .topmenu, .mainnav, .nav-toggle, .slider-dots, .slider-arrow, .site-footer .footer-grid { display: none; }
  body { background: #fff; }
}