/* SoundExperts.de — Design System
   Ocean palette · Syne + Nunito Sans · Large radius · IconPark
   ============================================================ */

/* — Bunny CDN Font Import — */
@import url('https://fonts.bunny.net/css?family=syne:400,600,700,800|nunito-sans:400,600,700&display=swap');

/* — Design Tokens — */
:root {
  --color-primary:       #09213d;
  --color-primary-light: #0d2d52;
  --color-primary-dark:  #060f1e;
  --color-accent:        #27c3a0;
  --color-accent-hover:  #1a9e83;
  --color-bg:            #f5f8fa;
  --color-surface:       #ffffff;
  --color-text:          #1a2332;
  --color-text-secondary:#5a6b7d;
  --color-border:        #d0dae4;
  --color-border-light:  #e8eef4;

  --font-heading: 'Syne', system-ui, sans-serif;
  --font-body:    'Nunito Sans', system-ui, sans-serif;

  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 3px rgba(9,33,61,0.08), 0 1px 2px rgba(9,33,61,0.05);
  --shadow-md: 0 4px 12px rgba(9,33,61,0.10), 0 2px 4px rgba(9,33,61,0.06);
  --shadow-lg: 0 12px 32px rgba(9,33,61,0.12), 0 4px 8px rgba(9,33,61,0.06);

  --max-width:        1200px;
  --max-width-narrow: 760px;
  --gutter:           clamp(1rem, 4vw, 2rem);

  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { padding-left: 1.5em; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(1.8rem, 4vw, 2.75rem); font-weight: 800; }
h2 { font-size: clamp(1.35rem, 3vw, 1.9rem); margin-top: 2.5rem; margin-bottom: 0.75rem; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.35rem); margin-top: 1.75rem; margin-bottom: 0.5rem; }
h4 { font-size: 1rem; font-weight: 600; }

p { margin-bottom: 1.1rem; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 700; }

/* — Layout Helpers — */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow {
  max-width: var(--max-width-narrow);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* — ============================= HEADER ============================= — */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-primary);
  box-shadow: 0 2px 16px rgba(9,33,61,0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.85rem;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-shrink: 0;
  text-decoration: none;
}
.site-logo__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.site-logo__name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.02em;
}
.site-logo__name span {
  color: var(--color-accent);
}

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.site-nav a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
}
.site-nav a:hover, .site-nav a.active {
  color: #ffffff;
  background: rgba(255,255,255,0.1);
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: #fff;
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; align-items: center; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem var(--gutter) 1.5rem;
    gap: 0.25rem;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { font-size: 1rem; padding: 0.6rem 1rem; }
}

/* — ============================= HERO ============================= — */
.hero {
  background: var(--color-primary);
  color: #fff;
  padding-block: clamp(3rem, 8vw, 5.5rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 90% at 75% 50%, rgba(39,195,160,0.10) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
}
.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: #ffffff;
  margin-bottom: 1.25rem;
  max-width: 700px;
}
.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}
.hero__desc {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.78);
  max-width: 560px;
  margin-bottom: 2rem;
  line-height: 1.6;
}
.hero__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* CTA Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}
.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

/* Hero stats bar */
.hero__stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero__stat-value {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-accent);
  display: block;
  line-height: 1;
}
.hero__stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.25rem;
}

/* — ============================= SERVICE PILLARS ============================= — */
.service-pillars {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
}
.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}
.section-header h2 { margin-top: 0; }
.section-kicker {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.section-header p {
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
.pillar-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.pillar-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-accent);
}
.pillar-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(39,195,160,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
  color: var(--color-accent);
}
.pillar-card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}
.pillar-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: 0;
}

/* — ============================= FEATURED ARTICLE ============================= — */
.featured-strip {
  background: var(--color-primary);
  padding-block: clamp(2.5rem, 6vw, 4rem);
}
.featured-strip .section-kicker { color: var(--color-accent); }
.featured-strip .section-header h2 { color: #fff; }
.featured-strip .section-header p { color: rgba(255,255,255,0.65); }

.featured-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  overflow: hidden;
  transition: border-color var(--transition);
}
.featured-card:hover { border-color: rgba(39,195,160,0.5); }

.featured-card__image {
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
  height: 100%;
}
.featured-card__body {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-card__tag {
  display: inline-block;
  background: rgba(39,195,160,0.15);
  color: var(--color-accent);
  border: 1px solid rgba(39,195,160,0.3);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
  width: fit-content;
}
.featured-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}
.featured-card__excerpt {
  color: rgba(255,255,255,0.7);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}
.featured-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
  transition: gap var(--transition);
}
.featured-card__link:hover { gap: 0.65rem; }
.featured-card__meta {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  margin-top: 0.5rem;
}

@media (max-width: 680px) {
  .featured-card { grid-template-columns: 1fr; }
  .featured-card__image { aspect-ratio: 16/9; }
}

/* — ============================= ARTICLE GRID ============================= — */
.articles-section {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  background: var(--color-bg);
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.5rem;
}
.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  color: inherit;
}
.article-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.article-card__thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-border-light);
}
.article-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.article-card:hover .article-card__thumb img { transform: scale(1.04); }
.article-card__body { padding: 1.35rem 1.4rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
.article-card__category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}
.article-card__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
  line-height: 1.3;
  flex: 1;
}
.article-card__excerpt {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card__meta {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: auto;
}

/* — ============================= ARTICLE CONTENT ============================= — */
.article-hero {
  background: var(--color-primary);
  padding-block: clamp(2.5rem, 6vw, 4rem);
  color: #fff;
}
.article-hero__category {
  display: inline-block;
  background: rgba(39,195,160,0.15);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.1rem;
  border: 1px solid rgba(39,195,160,0.3);
}
.article-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1rem;
  max-width: 820px;
  line-height: 1.15;
}
.article-hero__intro {
  font-size: clamp(1rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.75);
  max-width: 660px;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}
.article-meta__sep { opacity: 0.4; }

/* Content layout */
.article-layout {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}
.article-content {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 5vw, 3rem);
  box-shadow: var(--shadow-sm);
}
.article-content h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  margin-top: 2.5rem;
  margin-bottom: 0.9rem;
  padding-top: 0.5rem;
  border-top: 2px solid var(--color-border-light);
}
.article-content h2:first-of-type { margin-top: 0; border-top: none; padding-top: 0; }
.article-content h3 { font-size: 1.15rem; margin-top: 1.75rem; margin-bottom: 0.6rem; color: var(--color-primary); }
.article-content h4 { font-size: 1rem; font-weight: 700; margin-top: 1.25rem; margin-bottom: 0.4rem; }

.article-content ul, .article-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.75rem;
}
.article-content li { margin-bottom: 0.4rem; }
.article-content p { margin-bottom: 1.25rem; }

.article-content a {
  color: var(--color-accent-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover { color: var(--color-accent); }

.article-content img {
  border-radius: var(--radius-lg);
  margin-block: 2rem;
  width: 100%;
}

/* Article hero image */
.article-hero-image {
  width: 100%;
  border-radius: var(--radius-xl);
  aspect-ratio: 16/7;
  object-fit: cover;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-lg);
}

/* Infobox */
.infobox {
  background: rgba(39,195,160,0.07);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.25rem 1.5rem;
  margin-block: 1.75rem;
}
.infobox__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-accent-hover);
  margin-bottom: 0.4rem;
}

/* Comparison table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 1.75rem;
  font-size: 0.9rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.comparison-table th {
  background: var(--color-primary);
  color: #fff;
  padding: 0.75rem 1rem;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 0.85rem;
}
.comparison-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:nth-child(odd) { background: var(--color-bg); }
.comparison-table tbody tr:hover { background: rgba(39,195,160,0.05); }

/* SVG Infographic container */
.infographic-wrap {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  margin-block: 2rem;
  overflow-x: auto;
}
.infographic-wrap figcaption {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 0.75rem;
}

/* Embed snippet */
.embed-snippet {
  margin-top: 1rem;
}
.embed-snippet summary {
  font-size: 0.8rem;
  color: var(--color-accent-hover);
  cursor: pointer;
  font-weight: 700;
  padding: 0.4rem 0.5rem;
  border-radius: var(--radius-sm);
}
.embed-snippet summary:hover { background: rgba(39,195,160,0.07); }
.embed-snippet textarea {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.75rem;
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.85);
  border: none;
  border-radius: var(--radius-md);
  font-family: monospace;
  font-size: 0.75rem;
  resize: vertical;
  min-height: 80px;
}

/* — ============================= FAQ ============================= — */
.faq-section {
  margin-top: 2.5rem;
  border-top: 2px solid var(--color-border-light);
  padding-top: 2rem;
}
.faq-section__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}
.faq-item {
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  margin-bottom: 0.75rem;
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.25rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--color-surface);
  transition: background var(--transition);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: var(--color-bg); }
.faq-item[open] summary {
  background: var(--color-bg);
  color: var(--color-accent-hover);
  border-bottom: 1px solid var(--color-border-light);
}
.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  flex-shrink: 0;
  color: var(--color-accent);
  transition: transform var(--transition);
}
.faq-item[open] summary::after {
  content: '−';
}
.faq-item__body {
  padding: 1.1rem 1.25rem;
  font-size: 0.93rem;
  color: var(--color-text);
  line-height: 1.7;
  background: var(--color-surface);
}
.faq-item__body p { margin-bottom: 0.75rem; }
.faq-item__body p:last-child { margin-bottom: 0; }

/* — ============================= BREADCRUMB ============================= — */
.breadcrumb {
  padding-block: 0.85rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
}
.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  list-style: none;
  padding: 0;
  flex-wrap: wrap;
  font-size: 0.8rem;
}
.breadcrumb-list li { display: flex; align-items: center; gap: 0.35rem; }
.breadcrumb-list a { color: var(--color-accent-hover); }
.breadcrumb-list a:hover { text-decoration: underline; }
.breadcrumb-list .sep { color: var(--color-text-secondary); opacity: 0.6; }
.breadcrumb-list [aria-current] { color: var(--color-text-secondary); }

/* — ============================= FOOTER ============================= — */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding-block: clamp(2.5rem, 6vw, 4rem) 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
}

.footer-brand .site-logo { margin-bottom: 0.85rem; }
.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 300px;
  margin-bottom: 0;
}

.footer-col h3 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.9);
  margin-bottom: 0.85rem;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-col ul a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.footer-col ul a:hover { color: var(--color-accent); }

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a {
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer-bottom a:hover { color: var(--color-accent); }

/* — ============================= UTILITY ============================= — */
.section-all-link {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}
.related-articles {
  margin-top: 2.5rem;
  border-top: 2px solid var(--color-border-light);
  padding-top: 2rem;
}
.related-articles h2 { margin-top: 0; font-size: 1.25rem; margin-bottom: 1.25rem; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.tag-chip {
  display: inline-block;
  background: rgba(39,195,160,0.1);
  color: var(--color-accent-hover);
  border: 1px solid rgba(39,195,160,0.25);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}

/* — ============================= PAGE-SPECIFIC ============================= — */
/* Wissen hub — topic cards */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.topic-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-decoration: none;
  transition: box-shadow var(--transition), border-color var(--transition);
  color: inherit;
}
.topic-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.topic-card__icon {
  font-size: 2rem;
  line-height: 1;
}
.topic-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}
.topic-card__count {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: auto;
}

/* — RESPONSIVE — */
@media (max-width: 900px) {
  .featured-card { grid-template-columns: 1fr; }
  .featured-card__image { aspect-ratio: 16/8; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero__stats { gap: 1.25rem; }
}