/* Buchmann Schweißtechnik - Gemeinsames Stylesheet
 * Brand-Farben aus alter Webseite übernommen:
 *   #172856  Brand-Dunkelblau
 *   #0187dc  Sekundaer-Blau (Hover, Akzent-Links)
 *   #1ae7ee  Cyan-Highlight
 *   #1e2c3e  Footer-Tief
 *   #f4f4f4  Hintergrund
 *   #3c3e45  Body-Text
 */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #f4f4f4;
  color: #3c3e45;
  line-height: 1.6;
}
a { color: #0187dc; text-decoration: none; }
a:hover { color: #172856; }

/* ── Top-Bar (Telefon, Mail) ── */
.top-bar {
  background: #172856;
  color: #fff;
  padding: 8px 24px;
  font-size: 13px;
  text-align: right;
}
.top-bar a { color: #fff; font-weight: 500; margin-left: 16px; }
.top-bar a:hover { color: #1ae7ee; }
@media (max-width: 600px) { .top-bar { text-align: center; padding: 6px 12px; font-size: 12px; } .top-bar a { display: inline-block; margin: 2px 8px; } }

/* ── Header mit Logo ── */
header.site-header {
  background: #fff;
  padding: 12px 24px;
  border-bottom: 3px solid #172856;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
header.site-header img.logo { height: 56px; width: auto; }
header.site-header nav.main-nav { display: flex; gap: 22px; align-items: center; }
header.site-header nav.main-nav a {
  color: #3c3e45;
  font-weight: 500;
  font-size: 14px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
header.site-header nav.main-nav a:hover,
header.site-header nav.main-nav a.aktiv {
  color: #172856;
  border-bottom-color: #172856;
}
header.site-header nav.main-nav a.cta {
  background: #172856;
  color: #fff;
  padding: 9px 16px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
  font-weight: 600;
  border-bottom: none;
}
header.site-header nav.main-nav a.cta:hover {
  background: #0187dc;
  color: #fff;
  border-bottom: none;
}
header.site-header nav.main-nav a.cta-secondary {
  background: #d04848;
  color: #fff;
  padding: 9px 16px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 12px;
  font-weight: 600;
  border-bottom: none;
}
header.site-header nav.main-nav a.cta-secondary:hover {
  background: #b03838;
  color: #fff;
  border-bottom: none;
}

/* Dropdown-Navigation */
header.site-header .nav-dropdown {
  position: relative;
  display: inline-block;
}
header.site-header .nav-dropdown > .nav-toggle {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
header.site-header .nav-dropdown > .nav-toggle::after {
  content: "▾";
  font-size: 10px;
  margin-top: 2px;
  opacity: 0.65;
}
header.site-header .nav-dropdown .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: -12px;
  background: #fff;
  min-width: 240px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  border-top: 3px solid #172856;
  border-radius: 0 0 4px 4px;
  padding: 6px 0;
  z-index: 100;
}
header.site-header .nav-dropdown:hover .dropdown-menu,
header.site-header .nav-dropdown:focus-within .dropdown-menu {
  display: block;
}
header.site-header .nav-dropdown .dropdown-menu a {
  display: block;
  padding: 11px 18px;
  color: #3c3e45;
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  border-bottom: 1px solid #f4f4f4;
}
header.site-header .nav-dropdown .dropdown-menu a:last-child { border-bottom: 0; }
header.site-header .nav-dropdown .dropdown-menu a:hover {
  background: #f4f4f4;
  color: #172856;
}
header.site-header .nav-dropdown .dropdown-menu a.aktiv {
  background: #172856;
  color: #fff;
}

@media (max-width: 850px) {
  header.site-header { flex-wrap: wrap; padding: 10px 16px; }
  header.site-header img.logo { height: 44px; }
  header.site-header nav.main-nav { width: 100%; order: 3; gap: 12px; flex-wrap: wrap; padding-top: 10px; border-top: 1px solid #ededed; margin-top: 10px; }
  header.site-header nav.main-nav a { font-size: 13px; }
  header.site-header .nav-dropdown .dropdown-menu {
    position: static;
    box-shadow: none;
    border-top: none;
    border-left: 3px solid #172856;
    margin: 4px 0 0 6px;
    min-width: 100%;
  }
}

/* ── Hero-Block mit Hintergrundbild ── */
.hero {
  position: relative;
  background-image: linear-gradient(rgba(23, 40, 86, 0.78), rgba(23, 40, 86, 0.78)), url("https://www.buchmann-schweisstechnik.de/wp-content/uploads/2017/01/header-banner.jpg");
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 80px 24px 60px;
  text-align: center;
}
.hero .badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: 42px;
  margin: 0 0 14px;
  line-height: 1.15;
  font-weight: 600;
  text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}
.hero p {
  font-size: 18px;
  max-width: 740px;
  margin: 0 auto 22px;
  opacity: 0.95;
}
.hero .btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
@media (max-width: 700px) {
  .hero { padding: 50px 18px 40px; }
  .hero h1 { font-size: 28px; }
  .hero p  { font-size: 16px; }
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 4px;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  font-family: inherit;
  transition: all 0.15s;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  text-decoration: none;
}
.btn-primary {
  background: #fff;
  color: #172856;
}
.btn-primary:hover { background: #1ae7ee; color: #172856; }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.6);
}
.btn-ghost:hover { background: rgba(255,255,255,0.15); color: #fff; }
.btn-cta {
  background: #172856;
  color: #fff;
}
.btn-cta:hover { background: #0187dc; color: #fff; }

/* ── Container ── */
.container { max-width: 1100px; margin: 0 auto; padding: 28px 24px; }
.container.tight { max-width: 880px; }

/* ── Sektion ── */
.section {
  padding: 60px 24px;
}
.section.alt { background: #fff; border-top: 1px solid #ededed; border-bottom: 1px solid #ededed; }
.section h2 {
  font-size: 30px;
  font-weight: 600;
  color: #172856;
  text-align: center;
  margin: 0 0 12px;
}
.section .subtitle {
  text-align: center;
  font-size: 16px;
  color: #72777d;
  max-width: 700px;
  margin: 0 auto 36px;
}
@media (max-width: 700px) {
  .section { padding: 40px 18px; }
  .section h2 { font-size: 24px; }
}

/* ── Teaser-Grid (3 Spalten mit Bild + Text) ── */
.teaser-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.teaser-grid .item {
  background: #fff;
  border-radius: 4px;
  border: 1px solid #ededed;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.teaser-grid .item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(23, 40, 86, 0.12);
}
.teaser-grid .item .img-wrap {
  width: 100%;
  height: 180px;
  background-size: cover;
  background-position: center;
}
.teaser-grid .item .body {
  padding: 20px;
}
.teaser-grid .item h3 {
  color: #172856;
  font-size: 17px;
  margin: 0 0 8px;
  font-weight: 600;
}
.teaser-grid .item p {
  font-size: 14px;
  color: #72777d;
  margin: 0 0 12px;
}
@media (max-width: 800px) {
  .teaser-grid { grid-template-columns: 1fr; }
}

/* ── 2-Spalten Inhalts-Block (Text + Bild) ── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}
.split.reverse > :first-child { order: 2; }
.split img, .split .img-wrap {
  width: 100%;
  border-radius: 4px;
  display: block;
}
.split .img-wrap {
  height: 320px;
  background-size: cover;
  background-position: center;
}
.split h2 {
  font-size: 26px;
  color: #172856;
  margin: 0 0 14px;
  font-weight: 600;
  text-align: left;
}
.split p { font-size: 15px; line-height: 1.7; }
@media (max-width: 800px) {
  .split { grid-template-columns: 1fr; gap: 22px; }
  .split.reverse > :first-child { order: 0; }
}

/* ── Imagefilm-Embed (Vimeo) ── */
.video-wrap {
  position: relative;
  padding-top: 56.25%;  /* 16:9 */
  background: #172856;
  border-radius: 4px;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: 0 10px 40px rgba(23, 40, 86, 0.2);
}
.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ── Akkordeon (Leistungen) ── */
details {
  background: #fff;
  border: 1px solid #ededed;
  border-radius: 4px;
  margin-bottom: 8px;
  overflow: hidden;
}
details summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  color: #172856;
  font-size: 16px;
  list-style: none;
  position: relative;
  user-select: none;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  font-size: 22px;
  color: #0187dc;
  transition: transform 0.2s;
}
details[open] summary::after { transform: rotate(45deg); }
details[open] summary { background: #f4f4f4; }
details .body { padding: 8px 20px 20px; font-size: 14px; line-height: 1.7; color: #3c3e45; }
details .body p { margin: 0 0 10px; }

/* ── Trust-Leiste (KPIs) ── */
.trust {
  background: #fff;
  border-top: 1px solid #ededed;
  border-bottom: 1px solid #ededed;
  padding: 36px 24px;
}
.trust .grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  text-align: center;
}
.trust .num {
  font-size: 32px;
  font-weight: 700;
  color: #172856;
  margin-bottom: 4px;
}
.trust .lab {
  font-size: 12px;
  color: #72777d;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
@media (max-width: 700px) {
  .trust .grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── CTA-Banner ── */
.cta-banner {
  background: linear-gradient(135deg, #172856 0%, #0187dc 100%);
  color: #fff;
  padding: 48px 24px;
  text-align: center;
}
.cta-banner h2 {
  color: #fff;
  font-size: 26px;
  margin: 0 0 10px;
  font-weight: 600;
}
.cta-banner p {
  font-size: 16px;
  opacity: 0.95;
  max-width: 640px;
  margin: 0 auto 22px;
}

/* ── Personen-Karten (Über Uns) ── */
.personen {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 800px;
  margin: 0 auto;
}
.personen .karte {
  background: #fff;
  border-radius: 4px;
  border: 1px solid #ededed;
  overflow: hidden;
  text-align: center;
}
.personen .karte img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}
.personen .karte .body { padding: 20px; }
.personen .karte h3 { margin: 0 0 4px; color: #172856; font-size: 18px; }
.personen .karte .rolle { font-size: 13px; color: #72777d; }
@media (max-width: 700px) {
  .personen { grid-template-columns: 1fr; }
}

/* ── Footer ── */
footer.site-footer {
  background: #1e2c3e;
  color: #fff;
  padding: 40px 24px 20px;
  margin-top: 0;
}
footer.site-footer .grid-foot {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}
@media (max-width: 700px) {
  footer.site-footer .grid-foot { grid-template-columns: 1fr 1fr; }
}
footer.site-footer .firma { color: #1ae7ee; font-weight: 600; margin-bottom: 8px; font-size: 16px; }
footer.site-footer h4 { color: #fff; font-weight: 600; margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; }
footer.site-footer .col { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.78); }
footer.site-footer .col a { color: rgba(255,255,255,0.85); }
footer.site-footer .col a:hover { color: #1ae7ee; }
footer.site-footer .copy {
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 18px;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  text-align: center;
}

/* ── Liste mit Haken-Punkten ── */
ul.checks { list-style: none; padding: 0; margin: 0; }
ul.checks li {
  position: relative;
  padding: 6px 0 6px 28px;
  font-size: 15px;
}
ul.checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #0187dc;
  font-weight: bold;
  font-size: 18px;
  line-height: 1;
}