/*
Theme Name: GREKO Elektro Modern
Theme URI: https://greko-elektro.de
Author: GREKO Elektro-Großhandlung
Author URI: https://greko-elektro.de
Description: Modernes, responsives WordPress-Theme für GREKO Elektro-Großhandlung – Ihr Spezialist für Leuchtmittel und Schaustellerbedarf.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: greko-elektro
Tags: business, custom-logo, custom-menu, featured-images, full-width-template, responsive-layout, translation-ready
*/

/* ============================================================
   CSS CUSTOM PROPERTIES – GREKO Brand Colors
   Primärblau: #1A58A5 (aus dem Original-Logo)
   ============================================================ */
:root {
  /* ── Primär: GREKO-Blau ── */
  --color-primary:        #1A58A5;
  --color-primary-light:  #2470C8;
  --color-primary-lighter:#4A8FD4;
  --color-primary-dark:   #134080;
  --color-primary-bg:     #EBF2FB;   /* sehr helles Blau für Hintergründe */

  /* ── Sekundär: Grau-Skala ── */
  --color-dark:           #1E2530;   /* fast schwarz, für Headlines */
  --color-dark-mid:       #2C3A4A;
  --color-gray-700:       #374151;
  --color-gray-600:       #4B5563;
  --color-gray-500:       #6B7280;
  --color-gray-400:       #9CA3AF;
  --color-gray-200:       #E5E7EB;
  --color-gray-100:       #F3F4F6;
  --color-gray-50:        #F9FAFB;

  /* ── Weiß & Hellgrau ── */
  --color-bg:             #F5F7FA;
  --color-bg-alt:         #FFFFFF;
  --color-border:         #D1D9E6;
  --color-text:           #1E2530;
  --color-text-muted:     #6B7280;

  /* ── Akzent: Hellblau für Hover/Glow ── */
  --color-accent:         #3B82F6;
  --color-accent-light:   #DBEAFE;

  /* ── Status-Farben ── */
  --color-success:        #16A34A;
  --color-error:          #DC2626;

  /* ── Typografie ── */
  --font-heading: 'Montserrat', 'Segoe UI', Arial, sans-serif;
  --font-body:    'Open Sans', 'Segoe UI', system-ui, sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.25rem;
  --fs-2xl:  1.5rem;
  --fs-3xl:  1.875rem;
  --fs-4xl:  2.25rem;
  --fs-hero: clamp(2.2rem, 4.5vw, 3.5rem);

  /* ── Abstände ── */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* ── Layout ── */
  --container-max:  1180px;
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --radius-full: 9999px;

  /* ── Schatten ── */
  --shadow-sm:   0 1px 4px rgba(26,88,165,0.07);
  --shadow-md:   0 4px 16px rgba(26,88,165,0.10);
  --shadow-lg:   0 8px 32px rgba(26,88,165,0.13);
  --shadow-xl:   0 16px 48px rgba(26,88,165,0.16);
  --shadow-blue: 0 0 24px rgba(26,88,165,0.28);

  /* ── Übergänge ── */
  --transition-fast: 140ms ease;
  --transition-base: 240ms ease;
  --transition-slow: 380ms ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-dark); }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
}
p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

/* ============================================================
   UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section { padding: var(--space-4xl) 0; }
.section--white  { background: var(--color-bg-alt); }
.section--gray   { background: var(--color-gray-50); }
.section--blue   { background: var(--color-primary);   color: #fff; }
.section--dark   { background: var(--color-dark);       color: #fff; }
.section--primary-bg { background: var(--color-primary-bg); }

.section-header { text-align: center; margin-bottom: var(--space-3xl); }
.section-header h2 { font-size: var(--fs-4xl); margin-bottom: var(--space-md); }
.section-header p  { font-size: var(--fs-lg); color: var(--color-text-muted); max-width: 620px; margin: 0 auto; }
.section--blue .section-header h2,
.section--dark .section-header h2 { color: #fff; }
.section--blue .section-header p,
.section--dark .section-header p  { color: rgba(255,255,255,0.75); }

/* Label / Eyebrow */
.label {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}
.section--blue .label,
.section--dark .label { color: rgba(255,255,255,0.8); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.7rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  line-height: 1;
  text-decoration: none;
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn--outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}
.btn--white {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.btn--white:hover {
  background: var(--color-primary-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn--lg { padding: 0.9rem 2.25rem; font-size: var(--fs-base); }

/* ============================================================
   SKIP LINK
   ============================================================ */
.skip-link {
  position: absolute; top: -100%; left: 1rem;
  background: var(--color-primary); color: #fff;
  padding: 0.5rem 1rem; border-radius: var(--radius-md);
  font-weight: 700; z-index: 9999; transition: top var(--transition-fast);
}
.skip-link:focus { top: 1rem; }

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  font-size: var(--fs-xs);
  padding: 0.45rem 0;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.topbar__contact {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.topbar__contact a {
  color: rgba(255,255,255,0.85);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--transition-fast);
}
.topbar__contact a:hover { color: #fff; }
.topbar__contact .icon { font-size: 0.9rem; }
.topbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.topbar__tag {
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg-alt);
  border-bottom: 2px solid var(--color-gray-100);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem var(--space-xl);
  max-width: var(--container-max);
  margin: 0 auto;
  gap: var(--space-xl);
}

/* ── Logo ── */
.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo img {
  height: 52px;
  width: auto;
  display: block;
}
/* Fallback-Logo (wenn kein Bild) */
.site-logo__fallback {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.site-logo__name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-style: italic;
  font-size: 2rem;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}
.site-logo__sub {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--color-primary);
  letter-spacing: 0.03em;
  font-weight: 400;
}

/* ── Navigation ── */
.main-nav { display: flex; align-items: center; }
.main-nav__list {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0; padding: 0;
}
.main-nav__item { position: relative; }
.main-nav__link {
  display: block;
  padding: 0.55rem var(--space-md);
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.main-nav__link:hover,
.main-nav__item.current-menu-item > .main-nav__link,
.main-nav__item.current-menu-parent > .main-nav__link {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

/* ── Dropdown ── */
.main-nav__dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  min-width: 230px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  z-index: 100;
  list-style: none;
}
.main-nav__item:hover > .main-nav__dropdown,
.main-nav__item:focus-within > .main-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
/* Kleines Pfeil-Dreieck */
.main-nav__dropdown::before {
  content: '';
  position: absolute;
  top: -7px; left: 20px;
  width: 14px; height: 7px;
  background: var(--color-bg-alt);
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  border-top: 1px solid var(--color-border);
}
.main-nav__dropdown li a {
  display: block;
  padding: 0.6rem var(--space-md);
  border-radius: var(--radius-md);
  color: var(--color-gray-700);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.main-nav__dropdown li a:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

/* ── Mobile Toggle ── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 1px solid var(--color-gray-200);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  width: 40px; height: 40px;
}
.nav-toggle:hover { background: var(--color-primary-bg); border-color: var(--color-primary); }
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--color-gray-700);
  border-radius: 2px;
  transition: all var(--transition-base);
  margin: 0 auto;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  /* Blauer Gradient mit dezenten Grau-Tönen */
  background: linear-gradient(135deg,
    #0D2E5C 0%,
    #1A58A5 45%,
    #1E6BB8 75%,
    #1A58A5 100%
  );
  overflow: hidden;
}

/* Geometrisches Muster-Overlay */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 75% 50%, rgba(255,255,255,0.06) 0%, transparent 55%),
    radial-gradient(circle at 15% 80%, rgba(255,255,255,0.04) 0%, transparent 40%);
  pointer-events: none;
}
/* Dezente Gitter-Linien (Grid-Look) */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-4xl) var(--space-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-4xl);
}

.hero__text { color: #fff; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.95);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
}
.hero__eyebrow-dot {
  width: 7px; height: 7px;
  background: #fff;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.4; transform:scale(.75); }
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}
.hero__title-accent {
  color: rgba(255,255,255,0.9);
  position: relative;
  display: inline-block;
}
/* Unterstreichung in hellerem Blau */
.hero__title-accent::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,0.5);
  border-radius: 2px;
}

.hero__desc {
  font-size: var(--fs-xl);
  color: rgba(255,255,255,0.82);
  margin-bottom: var(--space-xl);
  line-height: 1.65;
}
.hero__desc strong { color: #fff; font-weight: 600; }

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

/* ── Statistik-Leiste im Hero ── */
.hero__stats {
  display: flex;
  gap: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.18);
}
.hero__stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 900;
  color: #fff;
  line-height: 1;
}
.hero__stat-txt {
  display: block;
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-top: 2px;
}

/* ── Hero-Grafik rechts ── */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__visual-box {
  position: relative;
  width: 340px;
  height: 340px;
}
.hero__visual-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.12);
  animation: ring-spin 18s linear infinite;
}
.hero__visual-ring:nth-child(2) {
  inset: 24px;
  border-color: rgba(255,255,255,0.08);
  animation-direction: reverse;
  animation-duration: 24s;
}
@keyframes ring-spin { to { transform: rotate(360deg); } }

.hero__visual-center {
  position: absolute; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__bulb-wrap {
  position: relative;
  filter: drop-shadow(0 0 40px rgba(255,255,255,0.18));
}

/* ============================================================
   USP-STREIFEN (Grau/Weiß)
   ============================================================ */
.usp-bar {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-gray-200);
  border-bottom: 3px solid var(--color-primary);
  padding: var(--space-lg) 0;
}
.usp-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  align-items: center;
}
.usp-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
}
.usp-item:hover { background: var(--color-primary-bg); }
.usp-item__icon {
  width: 44px; height: 44px;
  background: var(--color-primary-bg);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: all var(--transition-base);
}
.usp-item:hover .usp-item__icon {
  background: var(--color-primary);
  color: #fff;
}
.usp-item__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--color-dark);
  line-height: 1.2;
}
.usp-item__sub {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: 1px;
}

/* Trennlinie zwischen Items */
.usp-item + .usp-item {
  border-left: 1px solid var(--color-gray-200);
}

/* ============================================================
   SERVICE-KARTEN
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}
.service-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-lighter));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-bg);
}
.service-card:hover::after { transform: scaleX(1); }

.service-card__icon {
  width: 60px; height: 60px;
  background: var(--color-primary-bg);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem;
  margin-bottom: var(--space-lg);
  transition: all var(--transition-base);
}
.service-card:hover .service-card__icon {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.service-card__title {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-dark);
}
.service-card__text {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.75;
  margin-bottom: var(--space-lg);
}
.service-card__link {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition-fast);
}
.service-card__link:hover { gap: 8px; }
.service-card__link::after { content: '→'; }

/* ============================================================
   ÜBER GREKO (blauer Hintergrund)
   ============================================================ */
.about-section {
  background: var(--color-primary);
  color: #fff;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-4xl);
}
.about-content h2 { color: #fff; font-size: var(--fs-4xl); margin-bottom: var(--space-lg); }
.about-content p   { color: rgba(255,255,255,0.82); margin-bottom: var(--space-md); }
.about-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin: var(--space-xl) 0;
}
.about-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.88);
}
.about-list-item::before {
  content: '✓';
  color: #fff;
  font-weight: 900;
  background: rgba(255,255,255,0.2);
  width: 20px; height: 20px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Stats-Box rechts in der About-Section */
.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.about-stat {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  backdrop-filter: blur(8px);
  transition: background var(--transition-base);
}
.about-stat:hover { background: rgba(255,255,255,0.2); }
.about-stat__num {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: var(--space-xs);
}
.about-stat__label {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   WISSENSWERTES (Grau-Hintergrund)
   ============================================================ */
.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}
.knowledge-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}
.knowledge-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}
.knowledge-card__head {
  background: var(--color-primary);
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.knowledge-card__icon {
  width: 52px; height: 52px;
  background: rgba(255,255,255,0.18);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  border: 1px solid rgba(255,255,255,0.25);
  flex-shrink: 0;
}
.knowledge-card__title {
  font-size: var(--fs-xl);
  color: #fff;
  font-weight: 700;
}
.knowledge-card__body {
  padding: var(--space-xl);
}
.knowledge-card__body p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.75;
}
.knowledge-card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--fs-sm);
  margin-top: var(--space-md);
  transition: gap var(--transition-fast);
}
.knowledge-card__link:hover { gap: 8px; }
.knowledge-card__link::after { content: '→'; }

/* ============================================================
   CTA-BANNER (Dunkelblau)
   ============================================================ */
.cta-banner {
  background: var(--color-primary-dark);
  padding: var(--space-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* Helles Muster */
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 50px 50px;
}
.cta-banner__inner { position: relative; z-index: 1; }
.cta-banner h2 { font-size: var(--fs-4xl); color: #fff; margin-bottom: var(--space-md); }
.cta-banner p  { font-size: var(--fs-xl); color: rgba(255,255,255,0.78); margin-bottom: var(--space-2xl); max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-banner__btns { display: flex; align-items: center; justify-content: center; gap: var(--space-md); flex-wrap: wrap; }

/* ============================================================
   KONTAKT
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-3xl);
  align-items: start;
}
.contact-side h3 { font-size: var(--fs-2xl); margin-bottom: var(--space-xl); color: var(--color-dark); }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  transition: all var(--transition-fast);
}
.contact-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
.contact-item__icon {
  width: 42px; height: 42px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}
.contact-item__label {
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted);
}
.contact-item__val {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-dark);
  margin-top: 2px;
}
.contact-item__val a { color: var(--color-dark); }
.contact-item__val a:hover { color: var(--color-primary); }

/* Formular */
.contact-form-box {
  background: var(--color-bg-alt);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-md);
}
.contact-form-box h3 { margin-bottom: var(--space-xl); font-size: var(--fs-2xl); }
.form-group { margin-bottom: var(--space-lg); }
.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem var(--space-md);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,88,165,0.12);
  background: #fff;
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }

/* ============================================================
   PAGE HERO (Unterseiten)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding: var(--space-4xl) 0 var(--space-3xl);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}
.page-hero__inner { position: relative; z-index: 1; }
.page-hero h1 { font-size: var(--fs-4xl); color: #fff; margin-bottom: var(--space-md); }
.page-hero p  { color: rgba(255,255,255,0.8); font-size: var(--fs-xl); max-width: 600px; margin: 0 auto; }

/* Breadcrumb darunter */
.breadcrumb-bar {
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
  padding: 0.6rem 0;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}
.breadcrumb-bar a { color: var(--color-text-muted); }
.breadcrumb-bar a:hover { color: var(--color-primary); }
.breadcrumb-bar span { margin: 0 0.3rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.72);
  padding: var(--space-4xl) 0 0;
}
/* Blauer Akzent-Streifen oben */
.site-footer::before {
  content: '';
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-lighter));
  margin-bottom: var(--space-4xl);
  /* Wird über negativen Margin simuliert */
}
.footer-top {
  border-top: 4px solid var(--color-primary);
  padding-top: var(--space-3xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}
.footer-brand-text {
  margin-top: var(--space-md);
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
  max-width: 280px;
}
.footer-col h4 {
  font-size: var(--fs-xs);
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col ul a {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.6);
  transition: all var(--transition-fast);
  display: flex; align-items: center; gap: 0.3rem;
}
.footer-col ul a:hover { color: #fff; padding-left: 4px; }
.footer-col ul a::before { content: '›'; color: var(--color-primary-lighter); font-weight: 700; }
.footer-contact-item {
  display: flex; align-items: center; gap: var(--space-sm);
  font-size: var(--fs-sm); color: rgba(255,255,255,0.7);
  margin-bottom: var(--space-sm);
}
.footer-contact-item a { color: rgba(255,255,255,0.7); }
.footer-contact-item a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: var(--space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: var(--fs-xs);
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: rgba(255,255,255,0.8); }
.footer-legal { display: flex; gap: var(--space-lg); }

/* ============================================================
   SCROLL-TO-TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 46px; height: 46px;
  background: var(--color-primary);
  color: #fff;
  border: none; border-radius: var(--radius-full);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-blue);
  transition: all var(--transition-base);
  opacity: 0; visibility: hidden;
  z-index: 998;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--color-primary-dark); transform: translateY(-3px); }

/* ============================================================
   ANIMATION
   ============================================================ */
.animate-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .55s ease, transform .55s ease;
}
.animate-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; text-align: center; }
  .hero__actions { justify-content: center; }
  .hero__stats   { justify-content: center; }
  .hero__visual  { display: none; }
  .about-grid    { grid-template-columns: 1fr; }
  .knowledge-grid { grid-template-columns: 1fr 1fr; }
  .usp-bar__grid { grid-template-columns: 1fr 1fr; }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --space-4xl: 3.5rem; --space-3xl: 2.5rem; }

  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed; inset: 0;
    background: var(--color-bg-alt);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 5rem var(--space-xl) var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 999;
    overflow-y: auto;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav__list { flex-direction: column; align-items: stretch; }
  .main-nav__link { font-size: var(--fs-lg); padding: var(--space-md); }
  .main-nav__dropdown {
    position: static; opacity: 1; visibility: visible;
    transform: none; box-shadow: none; border: none;
    border-radius: 0; padding-left: var(--space-lg);
    border-left: 3px solid var(--color-primary-bg);
    margin-left: var(--space-md);
    display: none;
  }
  .main-nav__dropdown::before { display: none; }
  .main-nav__item.open .main-nav__dropdown { display: block; }

  .topbar__tag { display: none; }
  .section-header h2 { font-size: var(--fs-3xl); }
  .knowledge-grid  { grid-template-columns: 1fr; }
  .usp-bar__grid   { grid-template-columns: 1fr 1fr; }
  .usp-item + .usp-item { border-left: none; border-top: 1px solid var(--color-gray-200); }
  .footer-grid     { grid-template-columns: 1fr; }
  .about-list      { grid-template-columns: 1fr; }
  .form-row        { grid-template-columns: 1fr; }
  .hero__stats     { flex-direction: column; gap: var(--space-lg); }
  .cta-banner h2   { font-size: var(--fs-3xl); }
}

@media (max-width: 480px) {
  .container       { padding: 0 var(--space-md); }
  .header__inner   { padding: 0.75rem var(--space-md); }
  .usp-bar__grid   { grid-template-columns: 1fr; }
  .usp-item + .usp-item { border-left: none; border-top: 1px solid var(--color-gray-200); }
}

/* ============================================================
   FOCUS / ACCESSIBILITY
   ============================================================ */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.screen-reader-text {
  clip: rect(1px,1px,1px,1px); clip-path: inset(50%);
  height: 1px; width: 1px; overflow: hidden;
  position: absolute; white-space: nowrap;
}