/* ========= BLOG STYLES (auf styles.css aufbauend) ========= */

.container--narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== BLOG HERO (Übersichtsseite) ===== */
.blog-hero {
  padding: 9rem 0 5rem;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(214,177,92,.08), transparent 55%),
    var(--paper);
  text-align: center;
}
.blog-hero__title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 500;
  line-height: 1.05;
  color: var(--navy-900);
  margin: 1.5rem auto 1.5rem;
  max-width: 38rem;
  letter-spacing: -0.02em;
}
.blog-hero__title em {
  font-style: italic;
  color: var(--gold-700);
}
.blog-hero__lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 38rem;
  margin: 0 auto;
}

/* ===== BLOG GRID ===== */
.section--blog-grid {
  padding: 5rem 0 7rem;
  background: var(--paper);
}
.blog-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
}
.blog-card {
  background: white;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-strong);
  border-color: rgba(214,177,92,.4);
}
.blog-card--featured {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}
.blog-card--featured .blog-card__link {
  display: contents;
}
.blog-card__link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  height: 100%;
}
.blog-card__visual {
  background: var(--navy-900);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}
.blog-card--featured .blog-card__visual {
  aspect-ratio: auto;
}
.blog-card__visual-bg {
  width: 100%;
  height: 100%;
  position: relative;
}
.blog-card__visual-bg svg {
  display: block;
  width: 100%;
  height: 100%;
}
.blog-card__body {
  padding: 2rem 2rem 2.4rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  flex: 1;
}
.blog-card--featured .blog-card__body {
  justify-content: center;
  padding: 3rem;
}
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: .8rem;
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink-mute);
}
.blog-card__category {
  color: var(--gold-700);
  background: rgba(214,177,92,.1);
  padding: .3rem .7rem;
  border-radius: 2px;
}
.blog-card__date {
  font-weight: 600;
  color: var(--ink-mute);
}
.blog-card__title {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--navy-900);
  margin: 0;
  letter-spacing: -0.01em;
}
.blog-card--featured .blog-card__title {
  font-size: 2rem;
}
.blog-card__excerpt {
  font-size: .95rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}
.blog-card__more {
  font-size: .82rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--gold-700);
  margin-top: auto;
  padding-top: .8rem;
}
.blog-card:hover .blog-card__more {
  color: var(--gold-600);
}

/* ===== BLOG CTA ===== */
.blog-cta {
  margin-top: 5rem;
  padding: 3.5rem 3rem;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(214,177,92,.15), transparent 60%),
    linear-gradient(135deg, var(--navy-900) 0%, #060f1d 100%);
  text-align: center;
  border: 1px solid rgba(214,177,92,.25);
}
.blog-cta h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.9rem;
  font-weight: 500;
  color: var(--gold-400);
  margin: 0 0 1rem;
}
.blog-cta p {
  color: rgba(251,250,246,.85);
  font-size: 1.02rem;
  line-height: 1.6;
  margin: 0 auto 1.8rem;
  max-width: 38rem;
}

/* ===== ARTICLE (Detailseite) ===== */
.article {
  background: var(--paper);
}
.article__head {
  padding: 8rem 0 3rem;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(214,177,92,.08), transparent 55%),
    var(--paper);
}
.article__back {
  display: inline-block;
  font-size: .82rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--gold-700);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: color .25s ease, transform .25s ease;
}
.article__back:hover {
  color: var(--gold-600);
  transform: translateX(-3px);
}
.article__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ink-mute);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.article__category {
  color: var(--gold-700);
  background: rgba(214,177,92,.1);
  padding: .3rem .8rem;
  border-radius: 2px;
}
.article__date,
.article__readtime {
  font-weight: 600;
}
.article__readtime {
  color: var(--ink-mute);
  padding-left: 1rem;
  border-left: 1px solid var(--line-strong);
}
.article__title {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--navy-900);
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
}
.article__lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 2.5rem;
}
.article__author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.article__author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 25%, var(--gold-400), var(--gold-700));
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--navy-900);
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(168,130,42,.3);
}
.article__author-info {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.article__author-info strong {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy-900);
}
.article__author-info span {
  font-size: .8rem;
  color: var(--ink-mute);
}

.article__cover {
  padding: 0;
  margin: 0 0 3rem;
}
.article__cover-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.article__cover-inner svg {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(214,177,92,.2);
}

.article__body {
  padding: 0 0 5rem;
}
.article__body p,
.article__body h2,
.article__body h3,
.article__body ul {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.article__intro {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem !important;
  line-height: 1.6;
  color: var(--navy-900);
  padding-left: 1.5rem;
  border-left: 3px solid var(--gold-500);
  margin-bottom: 2.5rem !important;
}
.article__body p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink);
  margin: 0 auto 1.5rem;
}
.article__body p strong {
  color: var(--navy-900);
  font-weight: 600;
}
.article__body p em {
  font-style: italic;
  color: var(--gold-700);
}
.article__body h2 {
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--navy-900);
  margin: 3rem auto 1.2rem;
  letter-spacing: -0.01em;
}
.article__body h2::before {
  content: '';
  display: block;
  width: 32px;
  height: 3px;
  background: var(--gold-500);
  margin-bottom: .8rem;
}
.article__body h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  font-style: italic;
  color: var(--navy-800);
  margin: 2rem auto 1rem;
}
.article__list {
  list-style: none;
  padding: 0;
  margin: 0 auto 2rem !important;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.article__list li {
  position: relative;
  padding-left: 2rem;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--ink);
}
.article__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .75rem;
  width: .8rem;
  height: .8rem;
  background: var(--gold-500);
  transform: rotate(45deg);
}
.article__list strong {
  color: var(--navy-900);
  font-weight: 700;
}

.article__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem auto 2.5rem;
  max-width: 720px;
  padding: 2rem;
  background: white;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold-500);
}
.article__stat {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  text-align: center;
}
.article__stat strong {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--navy-900);
  line-height: 1;
}
.article__stat span {
  font-size: .82rem;
  color: var(--ink-soft);
  line-height: 1.4;
}

.article__callout {
  margin: 3.5rem auto 2rem;
  max-width: 720px;
  padding: 2.5rem;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(214,177,92,.15), transparent 60%),
    linear-gradient(135deg, var(--navy-900) 0%, #060f1d 100%);
  border: 1px solid rgba(214,177,92,.25);
  text-align: center;
}
.article__callout h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.55rem !important;
  font-weight: 500 !important;
  color: var(--gold-400) !important;
  margin: 0 0 1rem !important;
}
.article__callout p {
  color: rgba(251,250,246,.92) !important;
  font-size: .98rem !important;
  line-height: 1.6;
  margin: 0 0 1.5rem !important;
}
.article__callout .btn {
  display: inline-block;
}

.article__footer {
  max-width: 720px;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.article__update {
  font-size: .82rem !important;
  color: var(--ink-mute) !important;
  font-style: italic;
  text-align: center;
  margin: 0 !important;
}

/* ===== RELATED POSTS ===== */
.section--related {
  background: var(--paper-2);
  padding: 5rem 0;
  border-top: 1px solid var(--line);
}
.section--related .section__title {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 2.5rem;
}
.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}
.related-card {
  background: white;
  border: 1px solid var(--line);
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  text-decoration: none;
  color: inherit;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-mid);
  border-color: rgba(214,177,92,.4);
}
.related-card__category {
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--gold-700);
  background: rgba(214,177,92,.1);
  padding: .3rem .7rem;
  border-radius: 2px;
  align-self: flex-start;
}
.related-card h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--navy-900);
  margin: 0;
}
.related-card__more {
  font-size: .8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--gold-700);
  margin-top: auto;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .blog-card--featured { grid-column: span 2; grid-template-columns: 1fr; }
  .blog-card--featured .blog-card__body { padding: 2rem; }
  .related-grid { grid-template-columns: 1fr; }
  .article__stats { grid-template-columns: 1fr; gap: 1rem; }
}
@media (max-width: 620px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card--featured { grid-column: span 1; }
  .blog-cta { padding: 2.5rem 1.5rem; }
  .article__head { padding: 7rem 0 2.5rem; }
  .article__meta { gap: .6rem; }
  .article__readtime { padding-left: 0; border-left: 0; }
  .article__body p, .article__body h2, .article__body h3, .article__body ul { padding: 0 .5rem; }
  .article__intro { padding-left: 1rem !important; }
  .article__callout { padding: 2rem 1.5rem; }
}

/* ===== Blog-Hero: Foto + Intro (zweispaltig) ===== */
.blog-hero { text-align: left; }
.blog-hero__inner {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 3.4rem;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
}
.blog-hero__photo {
  margin: 0;
  width: 290px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 26px 60px -34px rgba(11,31,58,.5);
  border: 1px solid rgba(214,177,92,.25);
}
.blog-hero__photo img { width: 100%; height: auto; display: block; }
.blog-hero__text { display: flex; flex-direction: column; align-items: flex-start; }
.blog-hero .blog-hero__title {
  margin: 1rem 0 1.2rem;
  max-width: none;
  text-align: left;
}
.blog-hero .blog-hero__lede {
  font-style: normal;
  font-family: var(--serif);
  font-size: 1.35rem;
  line-height: 1.4;
  color: var(--navy-900);
  max-width: none;
  margin: 0 0 1rem;
}
.blog-hero__copy {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
}
.blog-hero__sign {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--gold-700);
}
@media (max-width: 860px) {
  .blog-hero__inner { grid-template-columns: 1fr; gap: 2rem; justify-items: start; }
  .blog-hero__photo { width: 240px; }
  .blog-hero .blog-hero__lede { font-size: 1.2rem; }
}

/* Autor-Avatar als Foto */
.article__author-avatar { overflow: hidden; }
.article__author-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display: block; }

/* ===== Interaktiver Energieklasse-Rechner (Blogartikel) ===== */
.ea-calc {
  margin: 2.5rem 0;
  padding: 2rem 2rem 1.6rem;
  border-radius: 14px;
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  border: 1px solid var(--gold-700);
  color: var(--paper);
}
.ea-calc__eyebrow {
  font-size: .68rem; letter-spacing: .2em; text-transform: uppercase;
  font-weight: 700; color: var(--gold-400);
}
.ea-calc__title {
  font-family: var(--serif); font-size: 1.4rem; font-weight: 600;
  color: var(--paper); margin: .35rem 0 1.4rem; line-height: 1.25;
}
.ea-calc__label {
  display: block; font-size: .78rem; letter-spacing: .04em;
  text-transform: uppercase; color: rgba(251,250,246,.7); margin-bottom: .6rem;
}
.ea-calc__row { display: flex; align-items: center; gap: 1.2rem; }
.ea-calc__slider {
  -webkit-appearance: none; appearance: none; flex: 1;
  height: 6px; border-radius: 999px;
  background: linear-gradient(90deg, var(--gold-500) 0 var(--fill, 40%), rgba(255,255,255,.15) var(--fill, 40%) 100%);
  outline: none;
}
.ea-calc__slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--gold-400); border: 3px solid var(--navy-900); cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
}
.ea-calc__slider::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--gold-400); border: 3px solid var(--navy-900); cursor: pointer;
}
.ea-calc__area {
  font-family: var(--serif); font-size: 1.2rem; font-weight: 600;
  color: var(--gold-400); min-width: 86px; text-align: right;
}
.ea-calc__result {
  margin-top: 1.6rem; padding-top: 1.4rem;
  border-top: 1px solid rgba(214,177,92,.25);
  display: flex; flex-direction: column; gap: .25rem;
}
.ea-calc__result-label { font-size: .85rem; color: rgba(251,250,246,.75); }
.ea-calc__result-value {
  font-family: var(--serif); font-size: 2.1rem; font-weight: 600; color: var(--paper);
}
.ea-calc__note { font-size: .76rem; color: rgba(251,250,246,.55); line-height: 1.5; margin: 1rem 0 0; }

/* ===== Preis-Balken (Marktdaten-Visualisierung) ===== */
.price-bars { margin: 1.8rem 0 1.2rem; display: flex; flex-direction: column; gap: .9rem; }
.price-bar { display: grid; grid-template-columns: 160px 1fr 90px; align-items: center; gap: 1rem; }
.price-bar__label { font-size: .9rem; color: var(--ink-soft); }
.price-bar__track { height: 14px; border-radius: 999px; background: rgba(11,31,58,.08); overflow: hidden; }
.price-bar__fill { display: block; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--gold-600), var(--gold-500)); }
.price-bar__fill--muted { background: var(--navy-700); opacity: .55; }
.price-bar__val { font-family: var(--serif); font-weight: 600; color: var(--navy-900); text-align: right; font-size: .95rem; }
@media (max-width: 640px) {
  .price-bar { grid-template-columns: 110px 1fr 76px; gap: .6rem; }
  .price-bar__label { font-size: .8rem; }
}

/* Rechner-Textfarben gegen .article__body-Regeln durchsetzen (Kontrast) */
.ea-calc .ea-calc__title { color: var(--paper); }
.ea-calc .ea-calc__label { color: rgba(251,250,246,.75); }
.ea-calc .ea-calc__result-label { color: rgba(251,250,246,.8); }
.ea-calc .ea-calc__result-value { color: var(--paper); }
.ea-calc .ea-calc__note { color: rgba(251,250,246,.72); }