/* =========================================================
   Seliger GmbH & Co KG – Design-System
   Markenfarben: pixelgenau aus der vom Kunden bestätigten
   Original-Logodatei (Seliger1.png) ausgelesen –
   Blau #006AB3 / Gelb #FFD700.
   Kantige, klare Formensprache (keine runden Ecken) laut Vorgabe.
   ========================================================= */

:root {
  --blau-900: #003A62;   /* abgeleitetes dunkles Blau für großflächige Hintergründe */
  --blau-800: #006AB3;   /* Logo-Blau (exakt aus Original-Logo ausgelesen) */
  --blau-700: #1F7CBC;   /* helleres Blau für Hover */
  --blau-100: #EBF3F9;
  --gelb-500: #FFE03A;   /* Marken-Gelb, an das neue Logo (logolight) angeglichen – wärmer/kräftiger als das alte Flach-Gelb */
  --gelb-600: #D9BF31;
  --gelb-100: #FBE79A;   /* mattes, gedecktes Gelb für Flächen/Kacheln */
  --grau-900: #1c1f24;
  --grau-700: #4a5058;
  --grau-300: #d7dbe0;
  --grau-100: #f4f5f7;
  --weiss: #ffffff;

  --font-head: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --font-body: "Source Sans 3", Arial, Helvetica, sans-serif;

  --radius: 0px; /* bewusst kantig, keine runden Ecken */
  --shadow: 0 2px 10px rgba(0,35,79,0.12);
  --maxw: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--grau-900);
  background: var(--weiss);
  line-height: 1.6;
}
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--blau-800);
  line-height: 1.15;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
a { color: var(--blau-800); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
ul { padding-left: 1.2em; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--gelb-500); color: var(--blau-900);
  padding: 10px 16px; z-index: 1000;
}
.skip-link:focus { left: 8px; top: 8px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap;
}

/* ---------- Header ---------- */
/* Markenband: dunkles Marineblau wie im Footer – Logo (helle Gelb-Version)
   sitzt auf der dunklen Markenfarbe, Schrift in Markengelb. */
.brand-bar {
  background: linear-gradient(120deg, var(--blau-900) 0%, var(--blau-800) 65%);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.brand-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding: 14px 24px;
}
.logo { display: flex; align-items: center; }
.logo img { height: 92px; width: auto; }

.brand-bar-info {
  display: flex;
  gap: 44px;
  flex-wrap: wrap;
}
.info-block {
  color: var(--gelb-500);
  font-size: 0.88rem;
  line-height: 1.55;
  text-align: center;
}
.info-block strong {
  display: block;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 2px;
}
.info-block span { display: block; }
.info-block a { color: var(--gelb-500); font-weight: 700; }
.info-block a:hover { color: var(--weiss); }
.info-block .hint { font-size: 0.75rem; opacity: 0.8; }

.nav-bar { background: var(--gelb-500); }
.nav-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
}

@media (max-width: 960px) {
  .logo img { height: 68px; }
  .brand-bar-info { display: none; }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 26px; height: 3px; background: var(--blau-900); display: block; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 26px;
  margin: 0;
  padding: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a:not(.btn) {
  color: var(--blau-900);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 3px solid transparent;
}
.main-nav a:not(.btn):hover,
.main-nav a.active {
  border-bottom-color: var(--blau-900);
  color: var(--blau-800);
}

/* CTA-Button innerhalb des gelben Menübands: umgekehrte Farben, damit er
   sich vom gelben Hintergrund abhebt statt darin zu verschwinden. */
.nav-bar .btn-cta { background: var(--blau-900); color: var(--gelb-500); }
.nav-bar .btn-cta:hover { background: var(--blau-800); }

.btn {
  display: inline-block;
  padding: 12px 22px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.9rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
}
.btn-cta { background: var(--gelb-500); color: var(--blau-900); }
.btn-cta:hover { background: var(--gelb-600); }
.btn-primary { background: var(--blau-800); color: var(--weiss); }
.btn-primary:hover { background: var(--blau-700); }
.btn-outline { border-color: var(--blau-800); color: var(--blau-800); }
.btn-outline:hover { background: var(--blau-800); color: var(--weiss); }
.btn-light { background: var(--weiss); color: var(--blau-900); }
.btn-outline-light { border-color: var(--weiss); color: var(--weiss); }
.btn-outline-light:hover { background: var(--weiss); color: var(--blau-900); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(120deg, var(--blau-900) 0%, var(--blau-800) 65%);
  color: var(--weiss);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; position: relative; z-index: 1; }
.hero h1 { color: var(--weiss); }
.hero .lead { font-size: 1.15rem; max-width: 46ch; color: var(--grau-100); }
.hero-actions { display: flex; gap: 14px; margin-top: 24px; flex-wrap: wrap; }
.hero-media img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 12px 30px rgba(0,10,25,0.35);
}
@media (max-width: 720px) {
  .hero-media img { height: 280px; }
}

.breadcrumb {
  background: var(--grau-100);
  font-size: 0.85rem;
  padding: 10px 0;
}
.breadcrumb ol { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; flex-wrap: wrap; }
.breadcrumb li:not(:last-child)::after { content: "›"; margin-left: 6px; color: var(--grau-700); }
.breadcrumb a { color: var(--grau-700); }

/* ---------- Sections ---------- */
section { padding: 64px 0; }
.section-alt { background: var(--grau-100); }
/* Einzelner Abschnitt (z.B. "Über uns") mit Blau-Verlauf für mehr Abwechslung
   auf der Seite – bewusst als eigene Klasse, damit andere .section-alt-
   Abschnitte (FAQ, Formulare, Konfigurator ...) unverändert hell bleiben. */
.section-gradient {
  background: linear-gradient(120deg, var(--blau-900) 0%, var(--blau-800) 65%);
  color: var(--grau-100);
}
.section-gradient h2 { color: var(--weiss); }
.section-gradient p { color: var(--grau-100); }
.section-gradient .list-check li { color: var(--grau-100); }
.section-intro { max-width: 70ch; margin-bottom: 36px; }
.eyebrow {
  display: inline-block;
  color: var(--blau-800);
  background: var(--blau-100);
  border-left: 4px solid var(--gelb-500);
  padding: 4px 12px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.grid { display: grid; gap: 28px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--weiss);
  border: 1px solid var(--grau-300);
  border-top: 4px solid var(--blau-800);
  padding: 26px;
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.card a.card-link { font-weight: 700; }

/* ---------- Leistungs-Kacheln (Startseite) ---------- */
.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--gelb-100);
  border: 1px solid var(--gelb-600);
  border-top: 4px solid var(--blau-800);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: var(--grau-900);
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-top-color 0.25s ease;
}
.service-card:hover,
.service-card:focus-visible {
  text-decoration: none;
  transform: translateY(-6px);
  box-shadow: 0 20px 38px rgba(0,35,79,0.22);
  border-top-color: var(--blau-900);
}
.service-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
  background: var(--blau-900);
  font-size: 1.6rem;
  line-height: 1;
  transition: background 0.25s ease, transform 0.25s ease;
}
.service-card:hover .service-card-icon {
  background: var(--blau-800);
  transform: scale(1.06);
}
.service-card-icon svg { width: 56px; height: 56px; display: block; }
.service-card-icon svg .accent-fill { fill: var(--gelb-500); }
.service-card-icon svg .accent-stroke { stroke: var(--gelb-500); }
.service-card h3 {
  margin: 0 0 10px;
  color: var(--blau-900);
}
.service-card p {
  margin: 0 0 20px;
  color: var(--grau-700);
  flex-grow: 1;
}
.service-card-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--blau-800);
}
.service-card-more .arrow { display: inline-block; transition: transform 0.25s ease; }
.service-card:hover .service-card-more .arrow { transform: translateX(6px); }
.service-card:hover .service-card-more { text-decoration: underline; }

table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
table caption { text-align: left; font-weight: 700; margin-bottom: 8px; color: var(--blau-800); }
th, td { border: 1px solid var(--grau-300); padding: 10px 14px; text-align: left; }
th { background: var(--blau-800); color: var(--weiss); text-transform: uppercase; font-size: 0.85rem; }
tr:nth-child(even) td { background: var(--grau-100); }

.list-check { list-style: none; padding: 0; }
.list-check li { padding-left: 28px; position: relative; margin-bottom: 10px; }
.list-check li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--gelb-600);
  font-weight: 900;
}

.faq-item { border-bottom: 1px solid var(--grau-300); padding: 18px 0; }
.faq-item h3 { margin-bottom: 6px; font-size: 1.05rem; }

/* ---------- Configurator embed ---------- */
.configurator-frame {
  border: 4px solid var(--blau-800);
  width: 100%;
  min-height: 620px;
}
.configurator-box { background: var(--weiss); border: 1px solid var(--grau-300); padding: 18px; box-shadow: var(--shadow); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--gelb-500); color: var(--blau-900); padding: 40px 0; }
.cta-band-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: var(--blau-900); margin-bottom: 6px; }
.cta-band p { margin: 0; max-width: 60ch; }
.cta-band-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: linear-gradient(120deg, var(--blau-900) 0%, var(--blau-800) 65%); color: var(--grau-300); padding-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer-logo {
  margin-bottom: 14px;
  width: 260px;
  height: auto;
}
.footer-col h3 { color: var(--weiss); font-size: 1rem; margin-bottom: 12px; }
.footer-col h3.mt { margin-top: 20px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a, .footer-col address a { color: var(--grau-300); }
.footer-col address { font-style: normal; }
.footer-hours { list-style: none; padding: 0; margin: 0; }
.footer-hours li { display: flex; justify-content: space-between; padding: 3px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-hours .hint { display: block; font-size: 0.8rem; opacity: 0.7; padding-top: 6px; border: none; }
.area-served { font-size: 0.85rem; opacity: 0.85; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding: 16px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 0.85rem; }
.legal-links { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; }
.legal-links a { color: var(--grau-300); }

/* ---------- Kontaktformular ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 0.9rem; }
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--grau-300);
  font-family: inherit;
  font-size: 1rem;
}
textarea { resize: vertical; min-height: 140px; }
.form-note { font-size: 0.85rem; color: var(--grau-700); margin-top: 10px; }
.alert { padding: 14px 18px; border-left: 4px solid var(--blau-800); background: var(--blau-100); margin-bottom: 20px; }
.alert-success { border-color: #1a7a3c; background: #e7f6ec; }
.alert-error { border-color: #b32424; background: #fbe9e9; }

.map-embed { border: none; width: 100%; height: 380px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; inset: 0 0 0 30%;
    background: var(--weiss);
    flex-direction: column;
    align-items: flex-start;
    padding: 90px 24px 24px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 999;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 4px; width: 100%; }
  .main-nav ul li { width: 100%; }
  .main-nav a:not(.btn) { display: block; padding: 12px 0; border-bottom: 1px solid var(--grau-300); color: var(--grau-900); }
  .main-nav a:not(.btn):hover, .main-nav a.active { color: var(--blau-800); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; }
}