/* ===============================================
   RATGEBER — Übersichtsseite + Artikel-Template
   Neue, gekapselte Klassen (rg-*, art-*), keine
   Überschreibung bestehender globaler Klassen.
   Wiederverwendet: .subpage-hero, .ns-cta, .tag,
   .card--outline, .section-headline, .reveal, .faq__*
   (faq__* unten dupliziert, analog .prozess-split in
   braunschweig.css — preise.css bleibt unangetastet).
=============================================== */

/* ---------------------------------------------
   1. Themenkategorien (ratgeber.html)
--------------------------------------------- */

.rg-theme-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.rg-theme-card {
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius-lg);
  background: var(--c-white);
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.rg-theme-card:hover {
  border-color: var(--c-gray-300);
  transform: translateY(-4px);
}

.rg-theme-card__index {
  display: block;
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-gray-500);
  margin-bottom: var(--space-sm);
}

.rg-theme-card__title {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-2xs);
}

.rg-theme-card__desc {
  font-size: var(--fs-small);
  line-height: var(--lh-body);
  color: var(--c-gray-600);
  margin: 0;
}

@media (max-width: 1080px) {
  .rg-theme-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .rg-theme-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
  }
  .rg-theme-card {
    padding: var(--space-md);
  }
}

/* ---------------------------------------------
   2. Artikelbereich — Leerzustand (ratgeber.html)
--------------------------------------------- */

.rg-artikel .section-head {
  max-width: 720px;
}

.rg-empty {
  margin-top: var(--space-xl);
  max-width: 640px;
  padding: var(--space-xl) var(--space-lg);
  border: 1px dashed var(--c-line-dark);
  border-radius: var(--radius-lg);
  text-align: center;
}

.rg-empty__icon {
  width: 40px;
  height: 40px;
  color: var(--c-gray-500);
  margin-bottom: var(--space-md);
}

.rg-empty__text {
  font-size: var(--fs-lead);
  line-height: var(--lh-body);
  color: var(--c-gray-300);
  margin: 0;
}

@media (max-width: 560px) {
  .rg-empty {
    margin-top: var(--space-lg);
    padding: var(--space-lg) var(--space-md);
  }
}

/* ---------------------------------------------
   2b. Artikelkarten (noch ungenutzt — Vorbereitung
   für den ersten echten Artikel, s. RATGEBER-ANLEITUNG.md
   Schritt 5. Ersetzt dann .rg-empty in #artikel.)
--------------------------------------------- */

.rg-article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.rg-article-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-line-dark);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.rg-article-card:hover {
  border-color: var(--c-gray-700);
  transform: translateY(-4px);
}

.rg-article-card__img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}

.rg-article-card__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.rg-article-card__meta {
  display: flex;
  gap: 0.6rem;
  font-size: var(--fs-small);
  color: var(--c-gray-500);
}

.rg-article-card__title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--c-white);
  margin: 0.2rem 0 0;
}

.rg-article-card__desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--c-gray-300);
  margin: 0;
}

@media (max-width: 1080px) {
  .rg-article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .rg-article-grid {
    grid-template-columns: 1fr;
  }
}

/* ===============================================
   3. ARTIKEL-TEMPLATE (ratgeber/_artikel-template.html)
   Modulare Bausteine — nicht jeder Artikel nutzt jeden.
=============================================== */

/* Breadcrumbs */
.art-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-small);
  color: var(--c-gray-500);
  margin-bottom: 1.5rem;
}

.art-breadcrumb a {
  color: var(--c-gray-500);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.art-breadcrumb a:hover {
  color: var(--c-black);
}

.art-breadcrumb__sep {
  opacity: 0.5;
}

.art-breadcrumb__current {
  color: var(--c-gray-700);
}

/* Artikel-Hero (ruhiger als subpage-hero, keine Schräge, gute Lesbarkeit) */
.art-hero {
  padding-top: clamp(6.5rem, 10vw, 9rem);
  padding-bottom: 2.25rem;
}

.art-hero__inner {
  max-width: 780px;
}

.art-hero__title {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0.7rem 0 0;
}

.art-hero__intro {
  font-size: var(--fs-lead);
  line-height: var(--lh-body);
  color: var(--c-gray-600);
  max-width: 62ch;
  margin-top: var(--space-md);
}

/* Meta-Zeile: Autor · Datum · Lesezeit */
.art-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  margin-top: 2rem;
  font-size: var(--fs-small);
  color: var(--c-gray-600);
}

.art-meta__sep {
  opacity: 0.4;
}

.art-meta__author {
  font-weight: 700;
  color: var(--c-black);
}

/* Kurzantwort-Box: direkte Antwort gleich zu Beginn */
.art-kurzantwort {
  max-width: 780px;
  margin: 0 auto var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  border-left: 3px solid var(--c-black);
  background: var(--c-off-white);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.art-kurzantwort__label {
  display: block;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-gray-600);
  margin-bottom: var(--space-2xs);
}

.art-kurzantwort p {
  font-size: 1.05rem;
  line-height: var(--lh-body);
  font-weight: 600;
  margin: 0;
}

/* Inhaltsverzeichnis */
.art-toc {
  max-width: 780px;
  margin: 0 auto var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius-md);
}

.art-toc__title {
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-gray-600);
  margin: 0 0 var(--space-sm);
}

.art-toc ol {
  margin: 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.art-toc a {
  color: var(--c-black);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease);
}

.art-toc a:hover {
  border-color: var(--c-line-dark);
}

/* Fließtext-Body — angenehme Lesebreite */
.art-body {
  max-width: 780px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: var(--lh-body);
  color: var(--c-gray-700);
}

.art-body h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--c-black);
  margin: var(--space-xl) 0 var(--space-sm);
  scroll-margin-top: 100px;
}

.art-body h3 {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--c-black);
  margin: var(--space-lg) 0 var(--space-2xs);
  scroll-margin-top: 100px;
}

.art-body p {
  margin: 0 0 var(--space-sm);
}

.art-body ul,
.art-body ol {
  margin: 0 0 var(--space-sm);
  padding-left: 1.3rem;
}

.art-body li {
  margin-bottom: 0.4rem;
}

.art-body a {
  color: var(--c-black);
  text-decoration: underline;
  text-decoration-color: var(--c-line-dark);
  text-underline-offset: 3px;
}

.art-body a:hover {
  text-decoration-color: var(--c-black);
}

.art-body img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
}

/* Schritt-für-Schritt */
.art-steps {
  list-style: none;
  margin: var(--space-md) 0;
  padding: 0;
  counter-reset: art-step;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.art-steps li {
  counter-increment: art-step;
  position: relative;
  padding-left: 2.6rem;
  margin: 0;
}

.art-steps li::before {
  content: counter(art-step);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: var(--c-black);
  color: var(--c-white);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Vergleichstabelle */
.art-table-wrap {
  overflow-x: auto;
  margin: var(--space-md) 0;
  border: 1px solid var(--c-line-light);
  border-radius: var(--radius-md);
}

.art-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.art-table th,
.art-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--c-line-light);
  white-space: normal;
}

.art-table th {
  background: var(--c-off-white);
  font-weight: 700;
  color: var(--c-black);
}

.art-table tr:last-child td {
  border-bottom: none;
}

/* Vor- und Nachteile */
.art-proscons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.art-proscons__col {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--c-line-light);
}

.art-proscons__col--pro {
  border-color: rgba(30, 163, 54, 0.35);
  background: rgba(30, 163, 54, 0.04);
}

.art-proscons__col--con {
  border-color: var(--c-line-dark);
  background: var(--c-off-white);
}

.art-proscons__title {
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 var(--space-2xs);
}

.art-proscons ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.92rem;
}

@media (max-width: 600px) {
  .art-proscons {
    grid-template-columns: 1fr;
  }
}

/* Hinweisbox (neutral) */
.art-hint {
  margin: var(--space-md) 0;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: var(--c-off-white);
  border: 1px solid var(--c-line-light);
  font-size: 0.92rem;
}

.art-hint p {
  margin: 0;
}

/* AVIO-Praxistipp */
.art-praxistipp {
  margin: var(--space-md) 0;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--avio-green);
  background: rgba(30, 163, 54, 0.05);
}

.art-praxistipp__label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--avio-green-hover);
  margin-bottom: var(--space-2xs);
}

.art-praxistipp p {
  margin: 0;
  font-size: 0.95rem;
}

/* Zwischen-CTA (dezent, kein Popup-Charakter) */
.art-zwischen-cta {
  max-width: 780px;
  margin: var(--space-xl) auto;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--c-black);
  color: var(--c-white);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.art-zwischen-cta p {
  margin: 0;
  font-size: 0.95rem;
  max-width: 46ch;
  color: rgba(255, 255, 255, 0.82);
}

.art-zwischen-cta .btn {
  flex-shrink: 0;
}

/* FAQ (dupliziert aus preise.css, s. Kommentar oben) */
.art-faq {
  max-width: 780px;
  margin: var(--space-xl) auto 0;
}

.art-faq__headline {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-md);
}

.art-faq .faq__item {
  border-top: 1px solid var(--c-line-light);
}

.art-faq .faq__item:last-child {
  border-bottom: 1px solid var(--c-line-light);
}

.art-faq .faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.2rem 0;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.012em;
  line-height: 1.35;
  color: var(--c-black);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.art-faq .faq__q::-webkit-details-marker {
  display: none;
}

.art-faq .faq__q::after {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a0a0b' stroke-width='2.2' stroke-linecap='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transition: transform 0.25s var(--ease);
  opacity: 0.55;
}

.art-faq .faq__item[open] .faq__q::after {
  transform: rotate(45deg);
  opacity: 1;
}

.art-faq .faq__a {
  padding-bottom: 1.2rem;
}

.art-faq .faq__a p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-gray-600);
  margin: 0;
}

/* Autorenbox */
.art-author {
  max-width: 780px;
  margin: var(--space-xl) auto 0;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--c-line-light);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.art-author__photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.art-author__name {
  font-weight: 700;
  margin: 0;
}

.art-author__role {
  font-size: var(--fs-small);
  color: var(--c-gray-600);
  margin: 0.15rem 0 0;
}

.art-author__link {
  font-size: var(--fs-small);
  margin-top: 0.35rem;
  display: inline-block;
}

/* Verwandte Artikel */
.art-related {
  max-width: 780px;
  margin: var(--space-xl) auto 0;
}

.art-related__title {
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-gray-600);
  margin: 0 0 var(--space-sm);
}

.art-related__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.art-related__card {
  display: block;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  text-decoration: none;
}

.art-related__card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-black);
  margin: 0;
}

@media (max-width: 600px) {
  .art-related__grid {
    grid-template-columns: 1fr;
  }
}

/* Abschlussbereich: Foto + Button (minimalistisch, keine weiteren Textabsätze) */
.art-closing {
  max-width: 780px;
  margin: var(--space-md) auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.art-closing__img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.art-closing__btn {
  flex-shrink: 0;
}

/* Social-Links unter dem Team-Foto im Abschlussbereich */
.art-closing__social {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-top: 0.2rem;
}

.art-closing__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--c-line-light);
  color: var(--c-gray-600);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.art-closing__social-link:hover,
.art-closing__social-link:focus-visible {
  color: var(--avio-green);
  border-color: var(--avio-green);
}

.art-closing__social-link svg {
  width: 16px;
  height: 16px;
}

/* Artikel-Content-Wrapper (Section-Padding) */
.art-content-section {
  padding-top: 2.75rem;
  padding-bottom: var(--space-2xl);
}

@media (max-width: 1024px) and (min-width: 769px) {
  .art-hero {
    padding-bottom: 1.75rem;
  }
  .art-content-section {
    padding-top: 2rem;
  }
  .art-meta {
    margin-top: 1.5rem;
  }
}

@media (max-width: 768px) {
  .art-hero {
    padding-bottom: 1.25rem;
  }
  .art-breadcrumb {
    margin-bottom: 1.1rem;
  }
  .art-meta {
    margin-top: 1.25rem;
  }
  .art-content-section {
    padding-top: 1.5rem;
    padding-bottom: var(--space-xl);
  }
  .art-kurzantwort,
  .art-toc {
    padding: var(--space-sm) var(--space-md);
  }
}