:root {
  --navy: #102858;
  --ink: #203047;
  --muted: #637084;
  --aqua: #0e9f9b;
  --aqua-dark: #087c7a;
  --aqua-soft: #e5f7f5;
  --sand: #fff7ea;
  --coral: #f36f5f;
  --line: #dceae8;
  --paper: #ffffff;
  --page: #f8fcfb;
  --shadow: 0 18px 48px rgba(20, 76, 88, .14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.site-header {
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.header-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0;
}
.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: max-content;
}
.brand-link img {
  width: 58px;
  height: 58px;
  border-radius: 50%;
}
.brand-link strong {
  display: block;
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1;
}
.brand-link small {
  display: block;
  color: var(--aqua-dark);
  font-size: .88rem;
  margin-top: 3px;
}
.main-nav {
  flex: 1 1 620px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  min-width: 0;
  max-width: 100%;
  overflow: visible;
}
.main-nav a {
  flex: 0 0 auto;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  color: var(--navy);
  font-weight: 750;
  font-size: .94rem;
  padding: 10px 12px;
  border-radius: 6px;
}
.main-nav a:hover,
.main-nav a.active {
  background: var(--aqua-soft);
  color: var(--aqua-dark);
}
main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.eyebrow {
  margin: 0 0 10px;
  color: var(--aqua-dark);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1, h2, h3 {
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: break-word;
  hyphens: auto;
}
h1 { font-size: clamp(2.15rem, 5vw, 4.8rem); margin: 0 0 18px; }
h2 { font-size: clamp(1.8rem, 3vw, 2.7rem); margin: 0 0 14px; }
h3 { font-size: 1.35rem; margin: 0 0 10px; }
p { margin: 0 0 16px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 6px;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  font-weight: 850;
}
.button.primary {
  background: var(--aqua);
  color: white;
  box-shadow: 0 12px 24px rgba(8, 124, 122, .22);
}
.button.secondary {
  border: 1px solid var(--line);
  background: white;
  color: var(--navy);
}
.text-link {
  display: inline-flex;
  margin-top: auto;
  color: var(--aqua-dark);
  font-weight: 850;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.text-link:hover { color: var(--navy); }
.hero,
.page-hero,
.editorial-intro {
  margin: 28px 0 34px;
}
.section-heading {
  max-width: 760px;
  margin-bottom: 26px;
}
.section-heading.compact { margin-bottom: 18px; }
.category-band,
.content-section,
.about-panel,
.text-band,
.article-content,
.related {
  margin: 42px 0;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.category-tile {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 156px;
  flex-direction: column;
  justify-content: flex-end;
  gap: 4px;
  padding: 22px;
  border: 1px solid #8edbd5;
  border-radius: 8px;
  background: linear-gradient(145deg, #d8f4f1, #bdebe7);
  text-decoration: none;
  box-shadow: 0 14px 34px rgba(8, 124, 122, .16);
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.category-tile::after {
  content: "→";
  position: absolute;
  top: 18px;
  right: 20px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--aqua);
  color: white;
  font-weight: 900;
}
.category-tile:hover {
  transform: translateY(-2px);
  background: linear-gradient(145deg, #c9f0ec, #aee3df);
  box-shadow: 0 18px 42px rgba(8, 124, 122, .22);
}
.category-tile span,
.category-tile small { color: var(--muted); }
.category-tile strong {
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
  line-height: 1.05;
  white-space: nowrap;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.product-grid.small { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-card,
.product-row {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 14px 34px rgba(20, 76, 88, .09);
}
.product-card {
  display: flex;
  flex-direction: column;
}
.product-card .product-image-link {
  background: var(--aqua-soft);
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.product-copy {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 18px;
}
.product-copy h3 a { text-decoration: none; }
.product-copy p { color: var(--muted); }
.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 14px;
}
.meta-line span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--aqua-dark);
  background: var(--aqua-soft);
  font-size: .82rem;
  font-weight: 800;
}
.about-panel,
.text-band,
.notice-box,
.impressum-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}
.impressum-panel {
  max-width: 840px;
  margin: 28px 0 52px;
  box-shadow: 0 14px 34px rgba(20, 76, 88, .08);
}
.impressum-panel img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  user-select: none;
}
.about-panel {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(0, 1fr);
  gap: 28px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 18px;
  color: var(--muted);
  font-size: .92rem;
}
.breadcrumb a {
  color: var(--aqua-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  font-weight: 800;
}
.product-detail {
  display: grid;
  grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  margin: 18px 0 46px;
}
.detail-media {
  padding: 18px;
  border-radius: 8px;
  background: white;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.detail-media-link {
  display: block;
  border-radius: 6px;
  cursor: pointer;
}
.detail-media-link:focus-visible {
  outline: 3px solid var(--aqua);
  outline-offset: 5px;
}
.detail-media-link:hover img {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(18, 40, 88, .2);
}
.detail-media img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 10px 22px rgba(18, 40, 88, .16);
  transition: transform .18s ease, box-shadow .18s ease;
}
.lead {
  font-size: 1.12rem;
  color: #435066;
}
.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 24px 0;
}
.fact-grid span {
  padding: 14px;
  border-radius: 8px;
  background: var(--aqua-soft);
  color: var(--aqua-dark);
  font-weight: 800;
}
.fact-grid strong { display: block; color: var(--navy); font-size: 1.15rem; }
.article-content {
  max-width: 960px;
}
.article-content h2 { font-size: clamp(1.45rem, 2.4vw, 2rem); margin-top: 16px; }
.knowledge-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 34px;
  align-items: start;
  margin: 42px 0;
}
.article-page {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 14px 34px rgba(20, 76, 88, .08);
}
.article-page h2 {
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  margin-top: 34px;
}
.article-page p,
.article-page li {
  font-size: 1.04rem;
}
.article-page .notice-box {
  margin-top: 34px;
}
.knowledge-sidebar {
  display: grid;
  gap: 18px;
}
.widget a {
  display: block;
  color: var(--aqua-dark);
  font-weight: 850;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.info-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 24px 0;
}
.info-columns section,
.widget {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}
ul { margin: 0; padding-left: 1.2rem; }
li + li { margin-top: 7px; }
.sample-list {
  columns: 2;
  column-gap: 36px;
  margin: 18px 0 26px;
}
.narrow { max-width: 860px; }
.site-footer {
  margin-top: 70px;
  background: #0d2740;
  color: white;
}
.footer-cta {
  color: var(--navy);
  background:
    linear-gradient(90deg, rgba(197, 242, 238, .98), rgba(214, 249, 245, .92)),
    url("../images/brand/banner.png") center / cover no-repeat;
  border-top: 1px solid rgba(8, 124, 122, .16);
  border-bottom: 1px solid rgba(8, 124, 122, .16);
}
.footer-cta-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 24px 0;
}
.footer-cta-icon {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  border: 3px solid white;
  border-radius: 50%;
  background: var(--aqua);
  color: white;
  font-size: 2.9rem;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(8, 124, 122, .22);
}
.footer-cta-copy strong {
  display: block;
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  line-height: 1.05;
}
.footer-cta-copy span {
  display: block;
  margin-top: 6px;
  color: #365064;
  font-size: 1rem;
}
.footer-cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 14px 24px;
  border-radius: 8px;
  background: var(--coral);
  color: white;
  text-decoration: none;
  font-weight: 850;
  box-shadow: 0 12px 24px rgba(243, 111, 95, .24);
}
.footer-cta-text {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}
.footer-cta-button:hover {
  filter: brightness(.98);
}
.footer-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr;
  gap: 24px;
  padding: 34px 0;
}
.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
}
.site-footer .footer-inner a {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  color: #d8f5f2;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  margin: 0;
}
.footer-social {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}
.site-footer .footer-inner .youtube-footer-link {
  align-items: center;
  gap: 14px;
  color: white;
  text-decoration: none;
}
.youtube-footer-icon {
  width: 66px;
  height: 66px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 3px solid rgba(255, 255, 255, .9);
  border-radius: 50%;
  background: #ff0033;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .22);
  transition: transform .18s ease, filter .18s ease;
}
.youtube-footer-icon::before {
  content: "";
  display: block;
  margin-left: 5px;
  border-left: 21px solid white;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
}
.youtube-footer-copy {
  display: block;
  min-width: 0;
}
.youtube-footer-copy strong {
  display: inline;
  color: white;
  font-weight: 850;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}
.youtube-footer-copy span {
  display: block;
  margin-top: 5px;
  color: #c8d6df;
  font-size: .92rem;
}
.youtube-footer-link:hover .youtube-footer-icon {
  filter: brightness(.98);
  transform: translateY(-1px);
}
.transparency { color: #c8d6df; font-size: .92rem; }
@media (max-width: 920px) {
  .header-inner { align-items: flex-start; flex-direction: column; gap: 10px; }
  .main-nav { flex: 0 1 auto; width: 100%; justify-content: flex-start; align-content: flex-start; padding-bottom: 4px; }
  .category-grid,
  .product-grid,
  .about-panel,
  .product-detail,
  .knowledge-layout,
  .info-columns,
  .footer-inner,
  .footer-cta-inner { grid-template-columns: 1fr; }
  .footer-cta-inner { justify-items: start; }
  .sample-list { columns: 1; }
}
@media (max-width: 560px) {
  main,
  .header-inner,
  .footer-inner,
  .footer-cta-inner { width: min(100% - 22px, 1180px); }
  .brand-link small { display: none; }
  .brand-link img { width: 48px; height: 48px; }
  .main-nav a { padding: 9px 10px; font-size: .88rem; }
  .category-tile { padding: 18px; }
  .category-tile strong { font-size: 1.35rem; }
  .category-tile::after { top: 14px; right: 16px; }
  .fact-grid { grid-template-columns: 1fr; }
}
.variant-1 {
  background:
    linear-gradient(180deg, rgba(229, 247, 245, .76), transparent 460px),
    var(--page);
}
.variant-1 .hero-visual {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(300px, .75fr);
  align-items: center;
  gap: clamp(24px, 5vw, 70px);
  padding: clamp(28px, 6vw, 72px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255,255,255,.92), rgba(255,255,255,.64)),
    url("../images/brand/banner.png") center / cover no-repeat;
  box-shadow: var(--shadow);
}
.variant-1 .hero-copy {
  min-width: 0;
}
.variant-1 .hero-visual h1 {
  font-size: clamp(1.55rem, 2.85vw, 2.7rem);
}
.variant-1 .hero-copy p:not(.eyebrow) {
  max-width: 640px;
  font-size: 1.12rem;
}
.variant-1 .cover-stack {
  position: relative;
  min-height: 510px;
}
.variant-1 .cover-stack img {
  position: absolute;
  width: 54%;
  max-width: 280px;
  border: 10px solid white;
  border-radius: 8px;
  box-shadow: 0 22px 46px rgba(18, 40, 88, .2);
}
.variant-1 .cover-stack img:nth-child(1) { top: 0; left: 22%; transform: rotate(-3deg); z-index: 3; }
.variant-1 .cover-stack img:nth-child(2) { top: 90px; left: 2%; transform: rotate(5deg); z-index: 2; }
.variant-1 .cover-stack img:nth-child(3) { top: 145px; right: 0; transform: rotate(-2deg); z-index: 1; }
.variant-1 .page-hero {
  padding: clamp(30px, 6vw, 70px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(255,255,255,.94), rgba(255,255,255,.72)),
    url("../images/brand/banner.png") center / cover no-repeat;
  box-shadow: var(--shadow);
}
@media (max-width: 920px) {
  .variant-1 .hero-visual { grid-template-columns: 1fr; min-height: auto; }
  .variant-1 .cover-stack { min-height: 360px; }
  .variant-1 .cover-stack img { max-width: 210px; }
}