/* ============================================================
   styles.css – Globales Design für Ballfieber Colonia e.V.
   Zielgruppe: Eltern von Kindern (4–12 Jahre)
   Farben: Kölner Stadtfarben – Rot, Schwarz, Weiß
     --rot:   #E3000F  (kräftiges Kölner Rot)
     --blau:  #1A1A1A  (Schwarz – ehemals Blau)
     --gelb:  #FFFFFF  (Weiß als Akzentfarbe – ehemals Gelb)
     --hell:  #F5F5F5  (helles Grau für Hintergründe)
     --weiss: #FFFFFF
     --text:  #1A1A1A
   ============================================================ */

/* ---------- CSS-Variablen (Farben & Abstände) ---------- */
:root {
  --gelb:        #FFFFFF;      /* Weiß als heller Akzent */
  --gelb-dunkel: #E8E8E8;      /* Hellgrau als dunklere Variante */
  --rot:         #E3000F;      /* Kölner Rot */
  --rot-dunkel:  #C8000C;      /* Dunkleres Rot für Hover */
  --blau:        #1A1A1A;      /* Schwarz (ehem. Dunkelblau) */
  --blau-hell:   #333333;      /* Dunkelgrau (ehem. Hellblau) */
  --hell:        #F5F5F5;      /* Neutrales Hellgrau */
  --weiss:       #FFFFFF;
  --text:        #1A1A1A;
  --text-grau:   #555555;
  --border:      #E0E0E0;

  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-hover:0 8px 32px rgba(0, 0, 0, 0.20);

  --max-width:   1200px;
  --padding-h:   1.5rem;      /* horizontaler Seiten-Abstand */
}

/* ---------- Reset & Basis ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;    /* Sanftes Scrollen bei Ankerlinks */
  font-size: 17px;            /* Etwas größer für gute Lesbarkeit */
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  color: var(--text);
  background-color: var(--weiss);
  line-height: 1.7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--rot);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--rot-dunkel); }

ul, ol { list-style: none; }

/* ---------- Hilfsklassen ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding-h);
}

.section {
  padding: 5rem 0;          /* Viel Weißraum zwischen Abschnitten */
}

.section--grau {
  background-color: var(--hell);
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.section__header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  color: var(--blau);
  margin-bottom: 0.75rem;
}

.section__header p {
  font-size: 1.1rem;
  color: var(--text-grau);
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Überschriften ---------- */
h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  border-radius: 50px;        /* Pill-Form – freundlich, modern */
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s;
  text-decoration: none;
  line-height: 1.3;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn--gelb {
  background-color: var(--weiss);
  color: var(--blau);           /* Weiß mit schwarzem Text */
  border: 2px solid var(--weiss);
}
.btn--gelb:hover {
  background-color: var(--gelb-dunkel);
  color: var(--blau);
  border-color: var(--gelb-dunkel);
}

.btn--rot {
  background-color: var(--rot);
  color: var(--weiss);
}
.btn--rot:hover {
  background-color: var(--rot-dunkel);
  color: var(--weiss);
}

.btn--outline {
  background-color: transparent;
  border: 2px solid var(--weiss);
  color: var(--weiss);
}
.btn--outline:hover {
  background-color: var(--weiss);
  color: var(--blau);
}

.btn--lg {
  padding: 1.1rem 2.6rem;
  font-size: 1.1rem;
}

/* ---------- HEADER & NAVIGATION ---------- */
.site-header {
  position: fixed;           /* Header bleibt sichtbar beim Scrollen */
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--weiss);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: box-shadow 0.3s;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 75px;
  gap: 1rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo__icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: block;
  object-fit: contain;       /* Logo-Bild passend skalieren */
  flex-shrink: 0;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo__text strong {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--blau);
}

.logo__text span {
  font-size: 0.72rem;
  color: var(--text-grau);
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* Haupt-Navigation (Desktop) */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a {
  color: var(--text);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  transition: color 0.2s, background-color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--rot);
  background-color: rgba(227, 0, 15, 0.08);
}

/* CTA in Navigation */
.main-nav .btn {
  margin-left: 0.5rem;
  padding: 0.5rem 1.2rem;
  font-size: 0.9rem;
}

/* Burger-Button (nur mobil sichtbar) */
.burger {
  display: none;             /* Standard: ausgeblendet */
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius);
  transition: background-color 0.2s;
}
.burger:hover { background-color: var(--hell); }

.burger__line {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--blau);
  border-radius: 3px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Burger animiert (wenn Menü offen) */
.burger.is-active .burger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.burger.is-active .burger__line:nth-child(2) {
  opacity: 0;
}
.burger.is-active .burger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---------- HERO-BEREICH ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 75px;         /* Platz für fixed Header */
}

/* Hintergrundfarbe als Farbverlauf (Platzhalter für echtes Bild) */
.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--blau) 0%, #333333 55%, #1A1A1A 100%);
  z-index: 0;
}

/* Dezentes Muster über dem Hintergrund */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(227, 0, 15, 0.12) 0%, transparent 40%);
}

/* Platzhalter-Badge für das echte Foto */
.hero__img-placeholder {
  position: absolute;
  right: 0;
  top: 75px;
  bottom: 0;
  width: 55%;
  background: linear-gradient(to left, rgba(0,0,0,0.3), transparent),
              linear-gradient(135deg, #333333 0%, #1A1A1A 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.4;
}

.hero__img-placeholder span {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  color: var(--weiss);
}

.hero__badge {
  display: inline-block;
  background: var(--gelb);
  color: var(--blau);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.3rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero__content h1 {
  color: var(--weiss);
  margin-bottom: 1.2rem;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.hero__content h1 span {
  color: var(--rot);               /* Hervorhebung in Kölner Rot */
}

.hero__content p {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Scroll-Pfeil unten */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  text-align: center;
  animation: bounce 2s infinite;
}

.hero__scroll::after {
  content: '↓';
  display: block;
  font-size: 1.5rem;
  margin-top: 0.2rem;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ---------- KACHELN (Cards) ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--weiss);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  border-top: 4px solid var(--gelb);  /* Gelber Akzent oben */
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.card--rot   { border-top-color: var(--rot); }
.card--blau  { border-top-color: var(--blau); }
.card--gelb  { border-top-color: var(--gelb); }

.card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.card h3 {
  color: var(--blau);
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--text-grau);
  margin-bottom: 1.2rem;
  font-size: 0.97rem;
}

.card a.link {
  font-weight: 700;
  color: var(--rot);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.card a.link::after { content: ' →'; }

/* ---------- WARUM BALLFIEBER – Vorteile ---------- */
.vorteile {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.vorteil {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--weiss);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform 0.3s;
}
.vorteil:hover { transform: translateY(-4px); }

.vorteil__icon {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}

.vorteil h3 {
  color: var(--blau);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.vorteil p {
  color: var(--text-grau);
  font-size: 0.93rem;
}

/* ---------- WISSENSCHAFTS-BANNER (Kinderentwicklung) ---------- */
.entwicklung-banner {
  background: linear-gradient(135deg, var(--blau) 0%, var(--blau-hell) 100%);
  color: var(--weiss);
  padding: 4rem 0;
}

.entwicklung-banner h2 {
  color: var(--weiss);
  margin-bottom: 1rem;
}
.entwicklung-banner h2 span { color: var(--rot); }  /* Hervorhebung in Rot */

.entwicklung-banner p {
  opacity: 0.9;
  max-width: 700px;
}

.entwicklung-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.entwicklung-item {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.15);
}

.entwicklung-item h4 {
  color: var(--gelb);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.entwicklung-item p {
  font-size: 0.92rem;
  opacity: 0.85;
}

/* ---------- ZITAT-BLOCK ---------- */
.zitat-block {
  background: var(--rot);      /* Kölner Rot als Zitat-Hintergrund */
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
  position: relative;
}

.zitat-block::before {
  content: '"';
  font-size: 8rem;
  color: rgba(255, 255, 255, 0.18);
  position: absolute;
  top: -1rem;
  left: 2rem;
  line-height: 1;
  font-family: Georgia, serif;
}

.zitat-block blockquote {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 700;
  color: var(--weiss);         /* Weiße Schrift auf Rot */
  font-style: italic;
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto 1rem;
}

.zitat-block cite {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  font-style: normal;
}

/* ---------- ALTERSKATEGORIEN ---------- */
.alters-tabs {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.alters-tab {
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  border: 2px solid var(--border);
  background: var(--weiss);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--text-grau);
  transition: all 0.2s;
}
.alters-tab:hover,
.alters-tab.active {
  border-color: var(--rot);
  background: var(--rot);
  color: var(--weiss);
}

.alters-content {
  display: none;            /* Wird per JS ein-/ausgeblendet */
  background: var(--weiss);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border-left: 6px solid var(--rot);
  animation: fadeIn 0.3s ease;
}
.alters-content.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alters-content h3 {
  color: var(--blau);
  margin-bottom: 0.5rem;
}
.alters-content .alters-badge {
  display: inline-block;
  background: var(--rot);
  color: var(--weiss);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.2rem 0.8rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.merkmale-liste {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.merkmal {
  background: var(--hell);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}
.merkmal strong {
  display: block;
  color: var(--rot);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.2rem;
}
.merkmal p { font-size: 0.9rem; color: var(--text-grau); }

/* ---------- TEAM/WERTE ---------- */
.werte-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.wert-item {
  text-align: center;
  padding: 2rem 1rem;
}

.wert-item .wert-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 1rem;
}

.wert-item:nth-child(1) .wert-icon { background: rgba(245,197,24,0.15); }
.wert-item:nth-child(2) .wert-icon { background: rgba(212,43,43,0.10); }
.wert-item:nth-child(3) .wert-icon { background: rgba(30,58,95,0.10); }
.wert-item:nth-child(4) .wert-icon { background: rgba(72,187,120,0.10); }

.wert-item h3 {
  color: var(--blau);
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}
.wert-item p {
  color: var(--text-grau);
  font-size: 0.92rem;
}

/* ---------- KONTAKTFORMULAR ---------- */
.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.kontakt-form {
  background: var(--weiss);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--blau);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  color: var(--text);
  background: var(--weiss);
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--rot);
  box-shadow: 0 0 0 3px rgba(212, 43, 43, 0.1);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.kontakt-info {
  padding: 1rem 0;
}

.kontakt-info h3 {
  color: var(--blau);
  margin-bottom: 1.5rem;
}

.kontakt-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.kontakt-info-item .ki-icon {
  font-size: 1.5rem;
  width: 46px;
  height: 46px;
  background: var(--hell);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kontakt-info-item .ki-text strong {
  display: block;
  color: var(--blau);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}
.kontakt-info-item .ki-text p,
.kontakt-info-item .ki-text a {
  color: var(--text-grau);
  font-size: 0.95rem;
}

/* Karten-Platzhalter */
.map-placeholder {
  background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
  border-radius: var(--radius-lg);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-grau);
  font-size: 0.9rem;
  text-align: center;
  padding: 2rem;
  border: 2px dashed var(--border);
  margin-top: 2rem;
}

/* ---------- PHILOSOPHIE-STEPS ---------- */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--gelb), var(--rot), var(--blau));
}

.step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding: 1.5rem 0;
}

.step__nr {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--blau);
  color: var(--weiss);
  font-weight: 900;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px var(--weiss);
}

.step__nr--gelb { background: var(--gelb); color: var(--blau); }
.step__nr--rot  { background: var(--rot); }

.step__text h3 {
  color: var(--blau);
  margin-bottom: 0.4rem;
  margin-top: 0.6rem;
}
.step__text p {
  color: var(--text-grau);
  font-size: 0.95rem;
}

/* ---------- CAMP-KARTEN ---------- */
.camp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.camp-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--weiss);
  transition: transform 0.3s, box-shadow 0.3s;
}
.camp-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.camp-card__head {
  padding: 2rem;
  background: var(--blau);
  color: var(--weiss);
  position: relative;
}
.camp-card__head.gelb { background: var(--gelb); color: var(--blau); }
.camp-card__head.rot  { background: var(--rot); }

.camp-card__icon { font-size: 2.5rem; margin-bottom: 0.5rem; }
.camp-card__head h3 { font-size: 1.3rem; }
.camp-card__head p  { font-size: 0.9rem; opacity: 0.85; margin-top: 0.3rem; }

.camp-card__body { padding: 1.8rem; }
.camp-card__body ul { list-style: disc; padding-left: 1.2rem; }
.camp-card__body li {
  color: var(--text-grau);
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}

/* ---------- HERO INNEN-SEITEN ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--blau) 0%, var(--blau-hell) 100%);
  padding: 8rem 0 4rem;   /* Mehr Abstand wegen fixed Header */
  color: var(--weiss);
  text-align: center;
}
.page-hero h1 { color: var(--weiss); margin-bottom: 0.75rem; }
.page-hero p  { opacity: 0.85; font-size: 1.15rem; max-width: 600px; margin: 0 auto; }
.page-hero .badge {
  display: inline-block;
  background: var(--gelb);
  color: var(--blau);
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.3rem 1rem;
  border-radius: 50px;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--blau);
  color: rgba(255,255,255,0.75);
  padding: 4rem 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand .logo-text {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--weiss);
  margin-bottom: 0.75rem;
  display: block;
}

.footer__brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer h4 {
  color: var(--weiss);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.2rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-nav a {
  color: rgba(255,255,255,0.7);
  font-size: 0.92rem;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--gelb); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

.footer__bottom a {
  color: rgba(255,255,255,0.6);
}
.footer__bottom a:hover { color: var(--gelb); }

.footer__gemeinnuetzig {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(245,197,24,0.15);
  border: 1px solid rgba(245,197,24,0.3);
  border-radius: 50px;
  padding: 0.3rem 0.9rem;
  font-size: 0.82rem;
  color: var(--gelb);
}

/* ---------- MOBILE NAVIGATION ---------- */
@media (max-width: 900px) {
  /* Burger-Button einblenden */
  .burger { display: flex; }

  /* Navigation als ausfahrbares Menü */
  .main-nav {
    position: fixed;
    top: 75px;
    left: 0;
    right: 0;
    background: var(--weiss);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem var(--padding-h) 2rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    gap: 0.25rem;
    /* Versteckt: nach oben verschoben */
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 999;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav a {
    padding: 0.8rem 1rem;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .main-nav a:last-child { border-bottom: none; }

  .main-nav .btn {
    margin: 0.75rem 0 0;
    text-align: center;
    display: block;
  }
}

/* ---------- RESPONSIVE ANPASSUNGEN ---------- */
@media (max-width: 768px) {
  html { font-size: 16px; }

  .section { padding: 3.5rem 0; }

  .hero__img-placeholder { display: none; }
  .hero__content { max-width: 100%; }

  .kontakt-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .zitat-block { padding: 2rem 1.5rem; }
  .zitat-block::before { display: none; }

  .steps::before { display: none; }
}

@media (max-width: 480px) {
  .hero__ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__ctas .btn { text-align: center; }

  .cards { grid-template-columns: 1fr; }
  .vorteile { grid-template-columns: 1fr 1fr; }
  .alters-tabs .alters-tab { font-size: 0.83rem; padding: 0.4rem 0.9rem; }
}

/* ---------- UTILITY ---------- */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-2 { margin-top: 2rem; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
}

/* Fokus-Sichtbarkeit für Tastatur-Navigation (Accessibility) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--gelb);
  outline-offset: 2px;
}