:root {
  --ink: #172029;
  --muted: #62707d;
  --line: #dde5eb;
  --panel: #f5f7f9;
  --paper: #ffffff;
  --steel: #24313d;
  --blue: #1464ad;
  --blue-dark: #0c4073;
  --amber: #d59b2e;
  --shadow: 0 24px 70px rgba(23, 32, 41, .14);
  --step-h1: clamp(32px, 4.6vw, 68px);
  --step-h2: clamp(26px, 3.1vw, 44px);
  --step-h2-contained: clamp(26px, 2.7vw, 40px);
  --step-h3: clamp(18px, 1.7vw, 22px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(221, 229, 235, .85);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 46px;
  height: 46px;
  object-fit: contain;
  background: #fff;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 10px 13px;
  color: var(--steel);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--blue);
}

.nav-menu {
  position: relative;
  padding: 0 0 10px;
  margin: 0 0 -10px;
}

.nav-menu > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-menu > a::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 20;
  display: none;
  min-width: 245px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.nav-menu:hover .nav-dropdown,
.nav-menu:focus-within .nav-dropdown {
  display: grid;
  gap: 2px;
}

.nav-dropdown a {
  display: block;
  padding: 10px 12px;
}

.nav-dropdown a:hover {
  color: #fff;
  background: var(--blue);
}

.site-nav .home-link {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  padding: 0;
  color: #fff;
  background: var(--blue);
  font-size: 22px;
  line-height: 1;
}

.site-nav .home-link:hover {
  color: #fff;
  background: var(--blue-dark);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #fff;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 83px);
  padding: clamp(44px, 7vw, 96px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(120deg, rgba(20, 100, 173, .08), rgba(213, 155, 46, .1)),
    linear-gradient(#fff, #f8fafc);
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  max-width: 100%;
  overflow-wrap: anywhere;
  hyphens: auto;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: var(--step-h1);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: var(--step-h2);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: var(--step-h3);
  line-height: 1.18;
  letter-spacing: 0;
}

.lead {
  color: var(--steel);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 18px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--blue);
}

.button.secondary {
  color: var(--blue-dark);
  background: #fff;
  border: 1px solid var(--line);
}

.button.light {
  color: #fff;
  background: var(--blue);
}

.hero-visual {
  position: relative;
  min-height: 480px;
  padding: 24px;
  background: #e9eef2;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: 520px;
  object-fit: contain;
  background: #fff;
}

.hero-card {
  position: absolute;
  right: 0;
  bottom: 32px;
  width: min(320px, 75%);
  padding: 18px;
  color: #fff;
  background: var(--steel);
  box-shadow: 0 18px 45px rgba(23, 32, 41, .28);
}

.hero-card strong,
.hero-card span {
  display: block;
}

.hero-card span {
  margin-top: 5px;
  color: #dce6ef;
}

.intro,
.section,
.detail-section,
.service-band,
.calculator,
.downloads-section,
.contact-section,
.imprint-section,
.privacy-section {
  padding: clamp(54px, 8vw, 110px) clamp(20px, 5vw, 72px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(260px, .75fr) minmax(300px, 1fr);
  gap: 36px;
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro p:last-child {
  color: var(--muted);
  font-size: 19px;
}

.intro > div:last-child {
  display: grid;
  gap: 14px;
}

.history-feature {
  padding: clamp(46px, 7vw, 92px) clamp(20px, 5vw, 72px);
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.history-timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 30px 0 22px;
}

.history-timeline article {
  min-height: 220px;
  padding: 24px;
  background: #f6f8fa;
  border: 1px solid var(--line);
  border-top: 5px solid var(--blue);
}

.history-timeline strong {
  display: block;
  color: var(--blue-dark);
  font-size: 14px;
  text-transform: uppercase;
}

.history-timeline h3 {
  margin: 10px 0;
  font-size: clamp(20px, 2vw, 25px);
}

.history-timeline p {
  color: var(--muted);
}

.text-link {
  width: fit-content;
  color: var(--blue-dark);
  font-weight: 800;
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
}

.text-link:hover {
  color: var(--blue);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow) {
  max-width: 820px;
  color: var(--muted);
  font-size: 18px;
}

.product-showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}

.primary-product {
  min-height: 100%;
}

.product-card img {
  width: 100%;
  height: 260px;
  object-fit: contain;
  background: var(--panel);
}

.product-card div {
  padding: 22px;
}

.product-card p {
  color: var(--muted);
}

.product-card .tag {
  margin-bottom: 8px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.product-card a {
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.product-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.product-links a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 10px;
  color: var(--blue-dark);
  background: #edf4fa;
  border: 1px solid #cfe0ee;
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
}

.product-links a:hover {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.product-links.compact {
  gap: 7px;
}

.product-links.compact a {
  min-height: 32px;
  padding: 6px 9px;
}

.secondary-heading {
  margin: 34px 0 16px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.secondary-heading h3 {
  margin: 0;
}

.secondary-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.secondary-product-grid .product-card {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
}

.secondary-product-grid .product-card img {
  height: 100%;
  min-height: 230px;
}

.quiet-product {
  background: #fbfcfd;
}

.quiet-product img {
  opacity: .78;
}

.quiet-product .tag {
  color: var(--muted);
}

.detail-section {
  display: grid;
  grid-template-columns: minmax(280px, .8fr) minmax(320px, 1fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  background: var(--steel);
  color: #fff;
}

.detail-section .eyebrow {
  color: #8fcef8;
}

.detail-section .lead,
.detail-section p,
.detail-section li {
  color: #dce6ef;
}

.detail-image {
  background: #fff;
  padding: 24px;
}

.detail-image img {
  width: 100%;
  height: 470px;
  object-fit: contain;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 28px 0;
}

.spec-grid div {
  min-height: 112px;
  padding: 16px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
}

.spec-grid strong,
.spec-grid span {
  display: block;
}

.spec-grid strong {
  font-size: 25px;
}

.spec-grid span {
  margin-top: 8px;
  color: #c5d4e0;
  font-size: 13px;
}

.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.detail-note {
  margin: -8px 0 24px;
  padding: 16px;
  background: rgba(255, 255, 255, .08);
  border-left: 4px solid var(--amber);
}

.detail-note + .detail-note {
  margin-top: -12px;
}

.accent-note {
  background: rgba(213, 155, 46, .16);
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  content: "✓";
  color: var(--amber);
  font-weight: 900;
}

.service-band {
  display: grid;
  grid-template-columns: minmax(260px, .8fr) minmax(320px, 1fr);
  gap: 36px;
  background: #f6f8fa;
}

.service-list {
  display: grid;
  gap: 14px;
}

.service-list div {
  padding: 22px;
  background: #fff;
  border-left: 5px solid var(--blue);
  box-shadow: 0 10px 32px rgba(23, 32, 41, .08);
}

.service-list strong,
.service-list span {
  display: block;
}

.service-list span {
  margin-top: 4px;
  color: var(--muted);
}

.calculator {
  display: grid;
  grid-template-columns: minmax(260px, .65fr) minmax(420px, 1fr);
  gap: 36px;
  align-items: start;
}

.calculator p {
  color: var(--muted);
}

.intro h2,
.section h2,
.detail-section h2,
.service-band h2,
.calculator h2,
.downloads-section h2,
.contact-section h2,
.imprint-section h2,
.privacy-section h2,
.product-detail-layout h2,
.detail-page h2 {
  font-size: var(--step-h2-contained);
}

.inline-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.calc-disclaimer {
  margin-top: 14px;
  padding: 12px 14px;
  color: var(--muted);
  background: #f6f8fa;
  border-left: 4px solid var(--amber);
  font-size: 14px;
}

.inline-images img {
  width: 100%;
  height: 250px;
  object-fit: contain;
  background: var(--panel);
  border: 1px solid var(--line);
}

.inline-images figure {
  margin: 0;
}

.inline-images figure img {
  height: 214px;
}

.inline-images figcaption {
  padding: 10px 12px;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--line);
  border-top: 0;
  font-size: 13px;
  line-height: 1.35;
}

.calc-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.calc-panel label {
  display: grid;
  gap: 8px;
  color: var(--steel);
  font-weight: 700;
}

.calc-panel input,
.calc-panel select {
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid #bdc9d3;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.calc-results {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.calc-panel output {
  display: block;
  padding: 18px;
  color: #fff;
  background: var(--blue-dark);
  font-size: 18px;
  font-weight: 800;
}

.legacy-calc-link {
  grid-column: 1 / -1;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.downloads-section {
  background: #f6f8fa;
  border-top: 1px solid var(--line);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.download-grid a {
  display: grid;
  min-height: 140px;
  align-content: space-between;
  padding: 20px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(23, 32, 41, .06);
}

.download-grid a:hover {
  border-color: var(--blue);
}

.download-grid strong,
.download-grid span {
  display: block;
}

.download-grid span {
  color: var(--blue);
  font-weight: 800;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(260px, .8fr) minmax(300px, 1fr);
  gap: 36px;
  background: var(--blue);
  color: #fff;
}

.contact-section .eyebrow,
.contact-section p {
  color: #d5ecff;
}

.contact-actions {
  display: grid;
  gap: 12px;
  align-content: center;
}

.contact-link {
  display: block;
  padding: 18px 20px;
  color: #fff;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22);
  font-size: clamp(18px, 2vw, 28px);
  font-weight: 800;
  text-decoration: none;
}

.contact-link.muted {
  color: #c8e3f8;
  font-size: 18px;
}

.imprint-section {
  display: grid;
  grid-template-columns: minmax(260px, .8fr) minmax(300px, 1fr);
  gap: 36px;
  background: #fff;
  border-top: 1px solid var(--line);
}

.imprint-section p {
  color: var(--muted);
}

.imprint-section h2 {
  margin-bottom: 14px;
}

.imprint-details {
  display: grid;
  gap: 18px;
  align-content: start;
}

.imprint-details p {
  margin: 0;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.imprint-details strong {
  color: var(--ink);
}

.imprint-details a {
  color: var(--blue);
  font-weight: 700;
}

.privacy-section {
  display: grid;
  grid-template-columns: minmax(260px, .7fr) minmax(320px, 1.3fr);
  gap: 36px;
  background: #f6f8fa;
  border-top: 1px solid var(--line);
}

.privacy-section p {
  color: var(--muted);
}

.privacy-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.privacy-details article {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
}

.privacy-details h3 {
  font-size: 18px;
}

.privacy-details a {
  color: var(--blue);
  font-weight: 700;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: #c8d6e2;
  background: #121a22;
  font-size: 14px;
}

.site-footer a {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.subpage-hero {
  padding: clamp(54px, 8vw, 96px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(120deg, rgba(20, 100, 173, .09), rgba(213, 155, 46, .08)),
    #f8fafc;
  border-bottom: 1px solid var(--line);
}

.subpage-hero.quiet {
  background: #f6f8fa;
}

.subpage-hero h1 {
  max-width: 920px;
}

.subpage-hero .lead {
  max-width: 820px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(38px, 6vw, 76px) clamp(20px, 5vw, 72px);
  background: #fff;
}

.catalog-item {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  min-height: 250px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 28px rgba(23, 32, 41, .06);
}

.catalog-item.wide {
  grid-column: span 2;
  grid-template-columns: 260px minmax(360px, 1fr);
}

.catalog-item img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: contain;
  background: var(--panel);
}

.catalog-item div {
  padding: 24px;
}

.catalog-item h2 {
  margin-bottom: 10px;
  font-size: clamp(23px, 2.4vw, 32px);
}

.catalog-item p {
  color: var(--muted);
}

.catalog-item a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin-top: 8px;
  padding: 8px 12px;
  color: var(--blue-dark);
  background: #edf4fa;
  border: 1px solid #cfe0ee;
  font-weight: 800;
  text-decoration: none;
}

.catalog-item a:hover {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.comparison-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(38px, 6vw, 76px) clamp(20px, 5vw, 72px) 0;
  background: #fff;
}

.comparison-images article {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 28px rgba(23, 32, 41, .06);
}

.comparison-images img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: contain;
  background: var(--panel);
}

.comparison-images div {
  padding: 24px;
}

.comparison-images h2 {
  font-size: clamp(23px, 2.4vw, 32px);
}

.comparison-table-wrap {
  overflow-x: auto;
  margin-top: 18px;
}

.comparison-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: #fff;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--line);
}

.comparison-table th {
  color: #fff;
  background: var(--blue-dark);
}

.comparison-table td:first-child {
  width: 190px;
  color: var(--ink);
  font-weight: 800;
}

.technical-table + .technical-table {
  margin-top: 24px;
}

.technical-table h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: clamp(18px, 2.2vw, 24px);
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(300px, .95fr) minmax(280px, .75fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(54px, 8vw, 96px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(120deg, rgba(20, 100, 173, .08), rgba(213, 155, 46, .08)),
    #f8fafc;
  border-bottom: 1px solid var(--line);
}

.product-hero-copy {
  max-width: 780px;
}

.product-hero-copy p:not(.eyebrow):not(.lead) {
  color: var(--muted);
  font-size: 18px;
}

.product-hero-media {
  padding: 22px;
  background: #fff;
  box-shadow: var(--shadow);
}

.product-hero-media img {
  width: 100%;
  height: min(52vw, 520px);
  min-height: 320px;
  object-fit: contain;
}

.product-summary {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: var(--steel);
}

.product-summary div {
  padding: 18px;
  color: #fff;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
}

.product-summary strong,
.product-summary span {
  display: block;
}

.product-summary strong {
  font-size: clamp(22px, 3vw, 32px);
}

.product-summary span {
  margin-top: 6px;
  color: #c7d8e6;
  font-size: 13px;
}

.product-detail-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(42px, 6vw, 82px) clamp(20px, 5vw, 72px);
  background: #fff;
}

.detail-card {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 10px 28px rgba(23, 32, 41, .06);
}

.detail-card.wide {
  grid-column: 1 / -1;
  background: #f6f8fa;
  border-left: 5px solid var(--blue);
}

.detail-card.accent-card {
  background: #fff8ea;
  border-left-color: var(--amber);
}

.detail-card h2 {
  font-size: var(--step-h2-contained);
}

.clean-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.clean-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
}

.clean-list li::before {
  position: absolute;
  left: 0;
  content: "✓";
  color: var(--amber);
  font-weight: 900;
}

.spec-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.spec-list div {
  display: grid;
  grid-template-columns: minmax(140px, .8fr) minmax(160px, 1fr);
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.spec-list dt {
  color: var(--muted);
  font-weight: 700;
}

.spec-list dd {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
}

.detail-page {
  display: grid;
  grid-template-columns: minmax(280px, .65fr) minmax(360px, 1fr);
  gap: clamp(28px, 5vw, 64px);
  padding: clamp(42px, 6vw, 82px) clamp(20px, 5vw, 72px);
  background: #fff;
}

.media-gallery {
  display: grid;
  gap: 14px;
  align-content: start;
}

.media-gallery img {
  width: 100%;
  max-height: 460px;
  object-fit: contain;
  background: var(--panel);
  border: 1px solid var(--line);
}

.detail-text {
  display: grid;
  gap: 14px;
  align-content: start;
}

.detail-text p,
.detail-list {
  color: var(--muted);
  font-size: 17px;
}

.detail-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding-left: 20px;
}

@media (max-width: 1050px) {
  :root {
    --step-h1: clamp(30px, 7vw, 56px);
    --step-h2: clamp(25px, 5.4vw, 38px);
    --step-h2-contained: clamp(24px, 5vw, 34px);
  }

  .hero,
  .intro,
  .detail-section,
  .service-band,
  .calculator,
  .contact-section,
  .imprint-section,
  .privacy-section {
    grid-template-columns: 1fr;
  }

  .product-showcase,
  .secondary-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .secondary-product-grid .product-card {
    grid-template-columns: 1fr;
  }

  .catalog-grid,
  .comparison-images,
  .detail-page,
  .product-hero,
  .catalog-item.wide {
    grid-template-columns: 1fr;
  }

  .catalog-item,
  .comparison-images article,
  .catalog-item.wide {
    grid-column: span 1;
  }

  .product-summary,
  .product-detail-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --step-h1: clamp(30px, 9vw, 44px);
    --step-h2: clamp(24px, 7vw, 34px);
    --step-h2-contained: clamp(23px, 6.4vw, 31px);
  }

  .site-header {
    align-items: flex-start;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 82px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .nav-menu {
    position: static;
    padding: 0;
    margin: 0;
  }

  .nav-menu > a {
    width: 100%;
  }

  .nav-dropdown {
    position: static;
    display: grid;
    min-width: 0;
    margin: 0 0 6px 12px;
    padding: 0 0 0 10px;
    border: 0;
    border-left: 3px solid var(--line);
    box-shadow: none;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 0;
    padding: 14px;
  }

  .hero-visual img,
  .detail-image img {
    height: 360px;
  }

  .hero-card {
    position: static;
    width: 100%;
    margin-top: 12px;
  }

  .product-showcase,
  .secondary-product-grid,
  .spec-grid,
  .download-grid,
  .inline-images,
  .calc-panel,
  .calc-results {
    grid-template-columns: 1fr;
  }

  .catalog-item {
    grid-template-columns: 1fr;
  }

  .comparison-images article {
    grid-template-columns: 1fr;
  }

  .privacy-details {
    grid-template-columns: 1fr;
  }

}