/* ============================================================
   STROMVERGLEICH DORTMUND – CSS
   Design: "Ruhrpott Direkt"
   Layout: Vertikale Sidebar-Navigation + Split-Screen
   Palette: Anthrazit #1A1A1A + Signal-Gelb #FFD600 + Weiss
   Fonts: Space Grotesk (Headlines) + DM Mono (Zahlen) + Inter (Body)
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Kernfarben */
  --black:       #1A1A1A;
  --black-soft:  #252525;
  --black-card:  #2E2E2E;
  --yellow:      #FFD600;
  --yellow-dark: #E6C100;
  --yellow-pale: #FFFDE7;
  --white:       #FFFFFF;
  --off-white:   #F5F5F5;

  /* Text */
  --text:        #1A1A1A;
  --text-inv:    #FFFFFF;
  --text-muted:  #5A5A5A;
  --text-faint:  #9A9A9A;
  --text-inv-muted: rgba(255,255,255,0.65);
  --text-inv-faint: rgba(255,255,255,0.35);

  /* Border */
  --border:      #E0E0E0;
  --border-dark: #CACACA;
  --border-inv:  rgba(255,255,255,0.12);

  /* Akzente */
  --green:       #1B8832;
  --red:         #CC2222;

  /* Fonts */
  --font-head:   'Space Grotesk', sans-serif;
  --font-mono:   'DM Mono', monospace;
  --font-body:   'Inter', sans-serif;

  /* Layout */
  --sidebar-w:   220px;
  --max-content: 1100px;

  /* Radien – bewusst eckiger als andere Sites */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;

  /* Shadows */
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:   0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg:   0 8px 40px rgba(0,0,0,0.18);
  --shadow-yellow: 0 4px 24px rgba(255,214,0,0.35);

  --transition:  0.18s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ============================================================
   SIDEBAR NAVIGATION – das größte Layout-Unterschied
   ============================================================ */
.site-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--black);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-logo {
  padding: 28px 24px 24px;
  border-bottom: 1px solid var(--border-inv);
}
.sidebar-logo a {
  display: block;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  line-height: 1.3;
}
.sidebar-logo .logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--yellow);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  font-size: 1.3rem;
}
.sidebar-logo .logo-text strong { color: var(--yellow); }

.sidebar-nav {
  padding: 16px 0;
  flex: 1;
}
.sidebar-nav-label {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-inv-faint);
  padding: 16px 24px 6px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-inv-muted);
  text-decoration: none;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}
.sidebar-link:hover, .sidebar-link.active {
  color: var(--yellow);
  background: rgba(255,214,0,0.06);
  border-left-color: var(--yellow);
}
.sidebar-link .icon { font-size: 0.9rem; width: 18px; text-align: center; }

.sidebar-dropdown {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}
.sidebar-dropdown.open { max-height: 500px; }
.sidebar-dropdown .sidebar-link {
  padding-left: 52px;
  font-size: 0.825rem;
}

.sidebar-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  width: 100%;
  background: none;
  border: none;
  border-left: 3px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-inv-muted);
  transition: all var(--transition);
  text-align: left;
}
.sidebar-dropdown-toggle:hover {
  color: var(--yellow);
  background: rgba(255,214,0,0.06);
  border-left-color: var(--yellow);
}
.sidebar-dropdown-toggle .icon { font-size: 0.9rem; width: 18px; text-align: center; }
.sidebar-dropdown-toggle .chevron {
  margin-left: auto;
  font-size: 0.6rem;
  transition: transform var(--transition);
}
.sidebar-dropdown-toggle.open .chevron { transform: rotate(90deg); }

.sidebar-cta {
  padding: 20px 24px;
  border-top: 1px solid var(--border-inv);
}
.sidebar-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--yellow);
  color: var(--black);
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition);
}
.sidebar-cta a:hover {
  background: var(--yellow-dark);
  box-shadow: var(--shadow-yellow);
  transform: translateY(-1px);
}

/* Mobile Nav Toggle */
.mobile-nav-bar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--black);
  border-bottom: 3px solid var(--yellow);
  z-index: 200;
  align-items: center;
  padding: 0 20px;
  gap: 12px;
}
.mobile-logo {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
}
.mobile-logo strong { color: var(--yellow); }
.mobile-burger {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
}
.mobile-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================================
   HAUPT-CONTENT (rechts neben Sidebar)
   ============================================================ */
.site-main {
  margin-left: var(--sidebar-w);
  min-width: 0;
}

/* ============================================================
   HERO – Split-Screen
   ============================================================ */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  position: relative;
}

/* Linke Hälfte: schwarz mit Claim */
.hero-left {
  background: var(--black);
  padding: 64px 52px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
/* Dekoratives Netz im Hintergrund */
.hero-left::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,214,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,214,0,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-pre {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--yellow);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-pre::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--yellow);
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.hero-title .accent { color: var(--yellow); display: block; }

/* Preis-Highlight – DM Mono macht Zahlen sofort lesbar */
.hero-price-block {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 36px;
  padding: 20px 0;
  border-top: 1px solid var(--border-inv);
  border-bottom: 1px solid var(--border-inv);
}
.hero-price-bad {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.3);
  text-decoration: line-through;
  text-decoration-color: var(--red);
}
.hero-price-arrow {
  color: var(--yellow);
  font-size: 1.2rem;
}
.hero-price-good {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--yellow);
}
.hero-price-label {
  font-size: 0.8rem;
  color: var(--text-inv-muted);
  line-height: 1.4;
}

.hero-bullets {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 40px;
}
.hero-bullet {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-inv-muted);
}
.hero-bullet-dot {
  width: 6px;
  height: 6px;
  background: var(--yellow);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Rechte Hälfte: weiß mit Rechner */
.hero-right {
  background: var(--off-white);
  padding: 64px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: sticky;
  top: 0;
  height: 100vh;
}

/* ============================================================
   RECHNER CARD
   ============================================================ */
.rechner-card {
  background: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 6px 6px 0 var(--yellow);
  /* Box-Shadow als Offset = Ruhrpott-Direktheit, kein subtiles Glow */
}

.rechner-tag {
  display: inline-block;
  background: var(--yellow);
  color: var(--black);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}
.rechner-title {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.rechner-sub { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 24px; }
.rechner-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-label {
  font-family: var(--font-head);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-input, .form-select {
  background: var(--off-white);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.975rem;
  padding: 11px 14px;
  transition: all var(--transition);
  width: 100%;
  appearance: none;
}
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--black);
  background: var(--white);
  box-shadow: 3px 3px 0 var(--yellow);
}
.form-input::placeholder { color: var(--text-faint); }
.form-hint { font-size: 0.75rem; color: var(--text-faint); margin-top: -8px; }

.form-range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px;
  background: var(--border);
  border-radius: 2px; outline: none; cursor: pointer;
}
.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  background: var(--black);
  border: 3px solid var(--yellow);
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition);
}
.form-range::-webkit-slider-thumb:hover { transform: scale(1.2); }
.slider-labels { display: flex; justify-content: space-between; font-size: 0.72rem; color: var(--text-faint); margin-top: 5px; }

.btn-primary {
  background: var(--yellow);
  color: var(--black);
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  padding: 15px 24px;
  border: 2px solid var(--black);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--transition);
  width: 100%;
  box-shadow: 3px 3px 0 var(--black);
}
.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--black);
}
.btn-primary:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--black);
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: 10px 18px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
}
.btn-secondary:hover { color: var(--black); border-color: var(--black); }

.rechner-trust {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-top: 12px;
  font-family: var(--font-mono);
}

/* ============================================================
   ZEBRA SECTIONS – abwechselnd Schwarz / Weiß
   ============================================================ */
.section-black {
  background: var(--black);
  padding: 80px 0;
  color: var(--white);
}
.section-white {
  background: var(--white);
  padding: 80px 0;
}
.section-yellow {
  background: var(--yellow);
  padding: 60px 0;
}
.section-off {
  background: var(--off-white);
  padding: 80px 0;
}

.container {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 48px;
}

/* ============================================================
   SECTION LABELS – Mono-Font statt Slab
   ============================================================ */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--yellow);
  display: inline-block;
  margin-bottom: 10px;
}
.section-label.dark { color: var(--text-muted); }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.section-title.light { color: var(--white); }
.section-title.dark  { color: var(--text); }

/* ============================================================
   PREISTABELLE – typografisch dominant
   ============================================================ */
.preis-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
}
.preis-table th {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 16px;
  text-align: left;
  border-bottom: 2px solid var(--yellow);
  color: var(--yellow);
  font-weight: 500;
}
.preis-table td {
  padding: 16px 16px;
  border-bottom: 1px solid var(--border-inv);
  font-size: 0.9rem;
  color: var(--text-inv);
}
.preis-table tr:last-child td { border-bottom: none; }
.preis-table .preis-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}
.preis-table .preis-value.bad   { color: #FF6B6B; }
.preis-table .preis-value.good  { color: var(--yellow); }
.preis-table .preis-value.save  { color: #69DB7C; }
.preis-table tr.highlight td { background: rgba(255,214,0,0.06); }

/* ============================================================
   HOW IT WORKS – horizontal nummeriert
   ============================================================ */
.steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.step-col {
  padding: 36px 32px;
  border-right: 1px solid var(--border-inv);
  position: relative;
}
.step-col:last-child { border-right: none; }
.step-num {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: var(--yellow);
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}
.step-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.step-desc { font-size: 0.875rem; color: var(--text-inv-muted); line-height: 1.65; }

/* ============================================================
   ANBIETER GRID – invertiertes Design auf schwarzem Grund
   ============================================================ */
.anbieter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border-inv);
  border: 2px solid var(--border-inv);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 40px;
}
.anbieter-card {
  background: var(--black-card);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.anbieter-card:hover { background: var(--black-soft); }
.anbieter-card:hover .anbieter-link { color: var(--yellow); gap: 10px; }
.anbieter-logo-wrap { height: 40px; display: flex; align-items: center; }
.anbieter-logo-wrap img { max-height: 32px; max-width: 120px; width: auto; filter: brightness(0) invert(1) opacity(0.7); }
.anbieter-name { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--white); }
.anbieter-typ {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 3px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.55);
}
.anbieter-typ.oeko { background: rgba(105,219,124,0.15); color: #69DB7C; }
.anbieter-rating { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; }
.stars { color: var(--yellow); letter-spacing: 2px; font-size: 0.75rem; }
.rating-num { color: rgba(255,255,255,0.5); font-family: var(--font-mono); font-size: 0.8rem; }
.anbieter-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

/* ============================================================
   STADTTEILE – weisser Ground, kein-Chip sondern Zeilen
   ============================================================ */
.stadtteile-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 2px solid var(--black);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.stadtteil-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  transition: all var(--transition);
  gap: 12px;
}
.stadtteil-row:nth-child(even) { border-right: none; }
.stadtteil-row:nth-last-child(-n+2) { border-bottom: none; }
.stadtteil-row:hover { background: var(--yellow-pale); color: var(--black); }
.stadtteil-name { font-family: var(--font-head); font-size: 0.9rem; font-weight: 600; }
.stadtteil-plz { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-faint); }
.stadtteil-arrow { font-size: 0.75rem; color: var(--text-faint); transition: transform var(--transition); }
.stadtteil-row:hover .stadtteil-arrow { transform: translateX(4px); color: var(--black); }

/* ============================================================
   REVIEWS – auf schwarzem Grund, gelbe Anführungszeichen
   ============================================================ */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.review-card {
  background: var(--black-card);
  border: 1px solid var(--border-inv);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
}
.review-quote {
  font-family: var(--font-head);
  font-size: 3.5rem;
  color: var(--yellow);
  line-height: 0.8;
  margin-bottom: 12px;
  display: block;
}
.review-text { font-size: 0.875rem; color: var(--text-inv-muted); line-height: 1.7; margin-bottom: 20px; }
.review-meta { display: flex; align-items: center; gap: 10px; }
.review-avatar {
  width: 36px; height: 36px;
  background: var(--yellow);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 0.8rem; font-weight: 700;
  color: var(--black); flex-shrink: 0;
}
.review-name { font-family: var(--font-head); font-size: 0.875rem; font-weight: 700; color: var(--white); }
.review-loc { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-inv-faint); }
.review-stars { color: var(--yellow); font-size: 0.8rem; margin-bottom: 8px; letter-spacing: 2px; }

/* ============================================================
   FAQ – auf weissem Grund, eckiges Accordion
   ============================================================ */
.faq-list { max-width: 720px; margin: 40px auto 0; display: flex; flex-direction: column; gap: 0; }
.faq-item { border: 2px solid var(--black); margin-bottom: -2px; }
.faq-item:first-child { border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.faq-item:last-child { border-radius: 0 0 var(--radius-sm) var(--radius-sm); margin-bottom: 0; }
.faq-question {
  width: 100%; padding: 18px 22px;
  background: none; border: none;
  text-align: left;
  font-family: var(--font-head); font-size: 0.925rem; font-weight: 600;
  color: var(--text); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--yellow-pale); }
.faq-question.open { background: var(--yellow); color: var(--black); }
.faq-icon {
  width: 22px; height: 22px;
  background: var(--border);
  display: flex; align-items: center; justify-content: center;
  border-radius: 3px; flex-shrink: 0;
  font-family: var(--font-mono); font-size: 0.8rem;
  font-weight: 700; color: var(--text);
  transition: all var(--transition);
}
.faq-question.open .faq-icon { background: var(--black); color: var(--yellow); transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; background: var(--off-white); }
.faq-answer-inner { padding: 0 22px 18px; font-size: 0.875rem; color: var(--text-muted); line-height: 1.75; }
.faq-item.open .faq-answer { max-height: 400px; }

/* ============================================================
   CTA SECTION – Gelb auf Schwarz, maximale Wirkung
   ============================================================ */
.cta-section {
  background: var(--yellow);
  padding: 72px 0;
  text-align: center;
}
.cta-section h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--black);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.cta-section p { color: rgba(0,0,0,0.65); font-size: 1.05rem; margin-bottom: 36px; }
.btn-cta-black {
  background: var(--black);
  color: var(--yellow);
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 18px 40px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: all var(--transition);
}
.btn-cta-black:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

/* ============================================================
   BLOG CARDS – schwarz-weiß, kein Farb-Thumb
   ============================================================ */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.blog-card {
  border: 2px solid var(--black);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex; flex-direction: column;
  text-decoration: none;
  transition: all var(--transition);
  background: var(--white);
}
.blog-card:hover { box-shadow: 4px 4px 0 var(--yellow); transform: translate(-2px, -2px); }
.blog-card-num {
  padding: 24px 24px 0;
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--yellow);
  line-height: 1;
}
.blog-card-body { padding: 16px 24px 24px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.blog-tag { font-family: var(--font-mono); font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-faint); }
.blog-title { font-family: var(--font-head); font-size: 0.975rem; font-weight: 700; color: var(--text); line-height: 1.3; }
.blog-excerpt { font-size: 0.83rem; color: var(--text-muted); line-height: 1.6; flex: 1; }
.blog-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem; color: var(--text-faint);
  display: flex; gap: 10px;
  padding-top: 12px; border-top: 1px solid var(--border);
  margin-top: auto;
}

/* ============================================================
   ERGEBNIS-SEITE
   ============================================================ */
.ergebnis-wrap { display: flex; min-height: calc(100vh - 56px); }
#stromrechner, #c24pp-power-iframe, #c24pp-power-iframe > * { width: 100% !important; }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--text-faint); padding: 14px 0;
}
.breadcrumb a { color: var(--text-faint); text-decoration: none; transition: color var(--transition); }
.breadcrumb a:hover { color: var(--yellow); }
.breadcrumb-sep { font-size: 0.65rem; }

/* ============================================================
   COOKIE BANNER
   ============================================================ */
.cookie-banner {
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%);
  z-index: 9999; width: min(600px, calc(100vw - 40px));
  background: var(--black); border: 2px solid var(--yellow);
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 var(--yellow);
  padding: 18px 22px;
  display: flex; align-items: center; gap: 16px;
  animation: slideUp 0.4s ease;
}
@keyframes slideUp { from{transform:translateX(-50%) translateY(120%);opacity:0} to{transform:translateX(-50%) translateY(0);opacity:1} }
.cookie-inner { display: flex; align-items: center; gap: 16px; width: 100%; flex-wrap: wrap; }
.cookie-text { flex: 1; min-width: 180px; }
.cookie-text strong { display: block; color: var(--yellow); font-family: var(--font-head); font-size: 0.875rem; margin-bottom: 3px; }
.cookie-text p { font-size: 0.78rem; color: var(--text-inv-muted); margin: 0; }
.cookie-actions { display: flex; gap: 8px; flex-shrink: 0; }
.btn-cookie-decline {
  padding: 8px 14px; background: transparent;
  border: 1px solid var(--border-inv);
  border-radius: var(--radius-sm); color: var(--text-inv-muted);
  font-family: var(--font-body); font-size: 0.82rem; cursor: pointer;
  transition: all var(--transition);
}
.btn-cookie-decline:hover { border-color: rgba(255,255,255,0.4); color: var(--white); }
.btn-cookie-accept {
  padding: 8px 14px; background: var(--yellow); border: none;
  border-radius: var(--radius-sm); color: var(--black);
  font-family: var(--font-head); font-size: 0.82rem; font-weight: 700;
  cursor: pointer; transition: all var(--transition);
}
.btn-cookie-accept:hover { background: var(--yellow-dark); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  margin-left: var(--sidebar-w);
  background: var(--black-soft);
  border-top: 3px solid var(--yellow);
  padding: 52px 0 32px;
  color: var(--white);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr repeat(4, auto);
  gap: 48px;
  align-items: start;
  margin-bottom: 40px;
}
.footer-brand .footer-logo-text {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.footer-brand .footer-logo-text strong { color: var(--yellow); }
.footer-brand p { font-size: 0.82rem; color: var(--text-inv-muted); line-height: 1.65; max-width: 240px; }
.footer-col h3 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--yellow);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 0.82rem; color: var(--text-inv-muted); text-decoration: none; transition: color var(--transition); }
.footer-col a:hover { color: var(--yellow); }
.footer-bottom {
  border-top: 1px solid var(--border-inv);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-inv-faint); }

/* ============================================================
   UTILS
   ============================================================ */
.text-yellow { color: var(--yellow); }
.text-mono   { font-family: var(--font-mono); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-right { position: static; height: auto; }
  .anbieter-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .stadtteile-list { grid-template-columns: 1fr; }
  .stadtteil-row { border-right: none !important; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 900px) {
  .site-sidebar { display: none; }
  .site-sidebar.mobile-open { display: flex; }
  .site-main { margin-left: 0; padding-top: 56px; }
  .site-footer { margin-left: 0; }
  .mobile-nav-bar { display: flex; }
  .hero-left { padding: 52px 28px; }
  .hero-right { padding: 40px 28px; }
  .container { padding: 0 24px; }
  .steps-row { grid-template-columns: 1fr; }
  .step-col { border-right: none; border-bottom: 1px solid var(--border-inv); }
  .step-col:last-child { border-bottom: none; }
}

@media (max-width: 640px) {
  .anbieter-grid, .reviews-grid, .blog-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}