html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.8;
  color: #222;
  background-color: #ffffff;
  padding-top: 58px;
}

/* Globale Links, ohne Unterstrich, dezente Farbe */
a {
  text-decoration: none;
  color: #0b599b;
}

a:hover {
  color: #073863;
}

/* Header und Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 200;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.09);
}

.nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.15rem 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  max-width: 150px;
  height: auto;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: #2c3e50;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: #0b599b;
}

/* Breadcrumbs */
.breadcrumbs {
  max-width: 1200px;
  margin: 0.75rem auto 0;
  padding: 0 1.25rem;
  font-size: 0.85rem;
  color: #555555;
}

.breadcrumbs a {
  color: #555555;
}

.breadcrumbs a:hover {
  color: #0b599b;
}

/* Hero mit WebP (small/large) */
.hero {
  position: relative;
  width: 100%;
  max-width: 100vw;
  min-height: 420px;
  padding: 3.3rem 1rem 2.6rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  text-align: center;
  background-image: url('/assets/img/hero-dsl-small.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(11, 89, 155, 0.65), rgba(0, 0, 0, 0.7));
}

.hero-inner {
  position: relative;
  z-index: 5;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: 0;
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 0.7rem;
}

.hero p {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  color: #f5f7fb;
}

@media (min-width: 900px) {
  .hero {
    min-height: 520px;
    padding: 4rem 1.5rem 3rem;
    background-image: url('/assets/img/hero-dsl-large.webp');
  }
  .hero h1 {
    font-size: 2.7rem;
  }
}

/* Formular im Hero – transparentes Glasdesign */
.hero-form-shell {
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 14px;
  padding: 1.6rem 1.4rem 1.4rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
  box-sizing: border-box;
}

.search-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.form-row {
  display: flex;
  gap: 1rem;
  width: 100%;
}

.form-row-bottom {
  align-items: center;
  justify-content: space-between;
}

.form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.form-group label {
  font-weight: 600;
  font-size: 0.93rem;
  color: #ffffff;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(0, 0, 0, 0.25);
  color: #ffffff;
  backdrop-filter: blur(6px);
  font-size: 1rem;
  box-sizing: border-box;
}

.form-group input::placeholder {
  color: rgba(255, 255, 255, 0.85);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: #ffffff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.6);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: #f5f7fb;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
}

.form-hint {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: #ffffff;
}

/* Buttons allgemein */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.4rem;
  border-radius: 9px;
  border: 0;
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background-color: #0b599b;
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 9px 26px rgba(0, 0, 0, 0.28);
  background-color: #094775;
}

.btn-secondary {
  background-color: #ffffff;
  color: #0b599b;
  border: 1px solid #0b599b;
}

.btn-secondary:hover {
  background-color: #0b599b;
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  color: #0b599b;
  border: 1px solid #0b599b;
}

.btn-outline:hover {
  background-color: #0b599b;
  color: #ffffff;
}

/* Buttons in Hero Formular etwas edler */
.hero-form-shell .btn-primary {
  background: #0b599b;
  color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
}

/* Bubbles unter dem Formular */
.bubble-row {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.bubble {
  background-color: rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

/* Hauptcontainer */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

/* Zwei Spalten Layout mit Sidebar */
.container.layout-two {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.content-main {
  flex: 1 1 auto;
  min-width: 0;
}

.sidebar {
  width: 280px;
  max-width: 100%;
}

/* Sidebar Boxen edler */
.sidebar-box {
  background: #f7f9fc;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
  color: #444;
  border: 1px solid #e0e7f3;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
}

.sidebar-box h2 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  color: #123047;
}

.sidebar-box p {
  margin-bottom: 0.6rem;
}

/* Sidebar Navigation */
.sidebar-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-nav li {
  margin-bottom: 0.3rem;
}

.sidebar-nav a {
  display: block;
  font-size: 0.95rem;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  color: #0b599b;
  border: 1px solid transparent;
}

.sidebar-nav a:hover {
  background: #e2edf7;
  border-color: #c1d4ec;
}

.sidebar-nav a.active {
  background: #0b599b;
  color: #ffffff;
  border-color: #0b599b;
}

/* Sidebar CTA */
.sidebar-cta .btn-block {
  display: block;
  width: 100%;
  text-align: center;
  margin-top: 0.4rem;
}

/* Info Sections */
.info-section {
  margin-bottom: 3rem;
}

.info-section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #123047;
}

.info-section h3 {
  font-size: 1.3rem;
  margin-top: 1.6rem;
  margin-bottom: 0.6rem;
  color: #1f3b57;
}

.info-section p {
  margin-bottom: 0.8rem;
  color: #4a4f58;
}

/* Highlight CTA Box */
.highlight-cta {
  margin: 2rem 0;
  padding: 1.5rem;
  border-radius: 12px;
  background-color: #f3f7fb;
  border: 1px solid #dde5f0;
  box-shadow: 0 3px 10px rgba(15, 23, 42, 0.04);
}

.highlight-cta p {
  margin-bottom: 0.8rem;
}

/* Provider Karten, edler */
.providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.provider-card {
  background-color: #ffffff;
  border-radius: 14px;
  padding: 1.6rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  border: 1px solid #e3ebf5;
}

.provider-logo {
  font-size: 1.1rem;
  color: #0b599b;
  margin-bottom: 0.3rem;
  font-weight: 600;
}

.provider-speed {
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
  color: #556070;
}

.provider-price {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0b599b;
  margin: 0.4rem 0 0.6rem;
}

.provider-features {
  list-style: none;
  margin-bottom: 1rem;
}

.provider-features li {
  padding: 0.3rem 0;
  border-bottom: 1px solid #eeeeee;
  font-size: 0.9rem;
  color: #586170;
}

/* Technologie Karten */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.tech-card {
  background-color: #f7f9fc;
  border-radius: 12px;
  padding: 1.4rem;
  border: 1px solid #e1e8f3;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
}

/* HowTo Block */
.howto-block {
  margin-top: 1.5rem;
  background-color: #f7f9fc;
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid #e1e8f3;
}

.howto-step {
  margin-bottom: 1rem;
}

/* ItemList */
.itemlist {
  list-style: none;
  margin-top: 1rem;
}

.itemlist li {
  margin-bottom: 0.5rem;
  color: #444b57;
}

/* FAQ Akkordeon */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid #dde5f0;
  background: #ffffff;
}

.faq-item:last-child {
  margin-bottom: 0;
}

.faq-question {
  width: 100%;
  background: #0b599b;
  color: #ffffff;
  padding: 0.9rem 1.2rem;
  border: 0;
  border-radius: 0;
  text-align: left;
  font-size: 1rem;
  cursor: pointer;
}

.faq-answer {
  display: none;
  padding: 1rem 1.2rem;
  background: #f3f7fb;
  font-size: 0.95rem;
  color: #444;
}

.faq-item.open .faq-answer {
  display: block;
}

/* CTA Box unten */
.cta-box {
  background: #f5f5f5;
  padding: 1.2rem 1.4rem;
  border-radius: 10px;
  margin: 1.5rem 0;
  text-align: center;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

.cta-box h2 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: #123047;
}

.cta-box p {
  font-size: 1rem;
  color: #444;
}

.cta-bottom {
  background: #eaeaea;
}

.cta-bottom .btn-primary {
  background: #0b599b;
  color: #ffffff;
}

/* Footer */
.site-footer {
  background: linear-gradient(180deg, #041a33, #020915);
  color: #ffffff;
  padding: 2rem 1.5rem 1.5rem;
}

.footer-content {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 2fr 1.2fr;
  gap: 1.5rem;
}

.footer-section h3 {
  margin-bottom: 0.6rem;
  font-size: 1rem;
  font-weight: 600;
}

.footer-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-section li {
  margin-bottom: 0.3rem;
}

.footer-section a {
  color: #c4d0dd;
  font-size: 0.9rem;
}

.footer-section a:hover {
  color: #ffffff;
}

.footer-list-columns {
  column-count: 2;
  column-gap: 1.8rem;
}

.footer-bottom {
  max-width: 1120px;
  margin: 1.5rem auto 0;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
  font-size: 0.85rem;
  color: #a3b1c2;
}

/* Powered by Bereich */
.powered-by {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: #666;
}

.powered-by img {
  max-height: 20px;
  width: auto;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: #ffffff;
  border-top: 2px solid #0b599b;
  padding: 1rem;
  display: none;
  z-index: 9999;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.12);
}

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  font-size: 0.95rem;
  color: #123;
}

.cookie-btn {
  background: #0b599b;
  color: #ffffff;
  padding: 0.55rem 1.2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
}

.cookie-btn:hover {
  background: #08457a;
}

/* ===== RESPONSIVE LAYOUT ===== */
@media (max-width: 900px) {
  /* Hero Fixes */
  .hero {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    overflow-x: hidden;
  }
  
  .hero-inner {
    max-width: 100%;
    padding: 0;
  }
  
  /* Formular Fixes */
  .hero-form-shell {
    max-width: 100%;
    width: calc(100% - 1rem);
    margin: 0 auto;
    padding: 1.2rem 1rem;
  }
  
  .search-form {
    width: 100%;
  }
  
  .form-row {
    flex-direction: column;
    width: 100%;
  }
  
  .form-row-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.7rem;
    width: 100%;
  }
  
  .form-group {
    width: 100%;
    min-width: 0;
  }
  
  .form-group input,
  .form-group select {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  /* Restliche Mobile Regeln */
  .nav {
    padding-inline: 1rem;
  }
  
  .container {
    padding-inline: 1.25rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-section:nth-child(3) {
    grid-column: 1 / -1;
  }
  
  .footer-list-columns {
    column-count: 2;
  }
  
  .container.layout-two {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
  }
}

@media (max-width: 640px) {
  /* Hero extra schmal */
  .hero {
    padding: 3rem 0.5rem 2.3rem;
  }
  
  .hero-form-shell {
    padding: 1rem 0.8rem;
    width: calc(100% - 1rem);
    border-radius: 10px;
  }
  
  .hero h1 {
    font-size: 1.8rem;
    padding: 0 0.5rem;
  }
  
  .hero p {
    font-size: 0.95rem;
    padding: 0 0.5rem;
  }
  
  .bubble-row {
    padding: 0 0.5rem;
  }
  
  /* Restliche Mobile Regeln */
  .nav-links {
    display: none;
  }
  
  .breadcrumbs {
    padding-inline: 1.1rem;
  }
  
  .site-footer {
    padding-inline: 1.25rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  
  .footer-list-columns {
    column-count: 1;
  }
  
  .cookie-inner {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-btn {
    width: 100%;
  }
  
  .powered-by span {
    display: none;
  }
  
  .powered-by img {
    max-height: 16px;
  }
}

.faq-question {
  color: #000;
  font-size: 1rem;
  padding: 0.7rem 0;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
}
.faq-question:focus {
  outline: none;
}