:root {
  --ink: #1c2033;
  --muted: #5c6478;
  --navy: #1d2061;
  --navy-deep: #12143f;
  --blue: #435bad;
  --blue-deep: #2a3484;
  --red: #d23349;
  --flame: #e03729;
  --forest: var(--navy);
  --forest-deep: var(--navy-deep);
  --pine: var(--blue);
  --pine-dark: var(--blue-deep);
  --mist: #eef0f7;
  --sand: #f3f4f8;
  --paper: #ffffff;
  --white: #ffffff;
  --line: #e1e3ea;
  --line-strong: #c9ced8;
  --cream: #ffffff;
  --link: var(--blue-deep);
  --shadow: 0 18px 40px rgba(29, 32, 97, 0.12);
  --sans: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  --serif: "Fraunces", Georgia, serif;
  --max: 1120px;
  --header-h: 148px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 1.05rem;
  line-height: 1.6;
}

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.03em; font-weight: 700; }
h2 { text-wrap: balance; font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: 1.15rem; }
ul, ol { margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }

::selection { background: #d5daf0; }

:focus-visible {
  outline: 2px solid var(--pine);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  background: white;
  color: var(--forest);
  padding: 8px 12px;
  z-index: 80;
  border-radius: 8px;
}

.skip:focus { top: 16px; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
  min-width: 0;
}

.eyebrow {
  margin-bottom: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pine-dark);
}

.lede {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 58ch;
}

.topbar {
  background:
    linear-gradient(90deg, var(--navy) 0%, var(--blue) 62%, var(--flame) 100%) top / 100% 3px no-repeat,
    var(--navy-deep);
  color: #e6e8f4;
  font-size: 0.86rem;
}

.topbar__inner {
  min-height: 36px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.topbar p { margin: 0; }
.topbar a { color: white; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: #fff;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled { border-bottom-color: var(--line); }

.header__inner {
  position: relative;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  --logo-scale: 0.162;
  display: block;
  flex: none;
  width: calc(888px * var(--logo-scale));
  height: calc(800px * var(--logo-scale));
  overflow: hidden;
  line-height: 0;
  text-decoration: none;
}

.logo img {
  width: calc(1573px * var(--logo-scale));
  height: calc(1347px * var(--logo-scale));
  max-width: none;
  margin: calc(-248px * var(--logo-scale)) 0 0 calc(-340px * var(--logo-scale));
}

.nav { display: flex; align-items: center; gap: 10px; }
.nav__list { display: flex; align-items: center; gap: 2px; list-style: none; }

.nav__list > li > a {
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 8px;
}

.nav__list > li > a:hover,
.nav__list > li > a.is-active { color: var(--pine-dark); background: rgba(67, 91, 173, 0.12); }

.has-sub { position: relative; }

.has-sub > a::after {
  content: "";
  width: 0;
  height: 0;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transform: translateY(1px);
}

.has-sub::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 14px;
}

.sub {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 250px;
  padding: 8px;
  list-style: none;
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
}

.has-sub:hover .sub,
.has-sub:focus-within .sub {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.sub a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}

.sub a:hover { background: var(--mist); color: var(--pine-dark); }

.nav-check { display: none; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span:nth-of-type(-n + 3) {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--forest);
  border-radius: 2px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--pine);
  color: white;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

.btn:hover,
.btn:visited:hover { background: var(--pine-dark); color: white; }
.btn:visited { color: white; }

.btn--small { padding: 10px 14px; font-size: 0.92rem; }

.btn--light { background: white; color: var(--forest); }
.btn--light:visited { color: var(--forest); }
.btn--light:hover { background: var(--sand); color: var(--forest); }

.btn--ghost {
  background: transparent;
  color: var(--forest);
  border-color: var(--line-strong);
}
.btn--ghost:visited { color: var(--forest); }
.btn--ghost:hover { background: white; color: var(--forest); border-color: var(--forest); }

.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: flex-end;
  color: var(--cream);
  background: var(--forest-deep);
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #12143f 0%, rgba(18, 20, 63, 0.9) 34%, rgba(67, 91, 173, 0.42) 62%, rgba(210, 51, 73, 0.16) 100%);
}

.hero .wrap {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.hero__content { max-width: 640px; padding: 72px 0 132px; }

.hero h1 {
  margin-bottom: 16px;
  color: #ffffff;
  font-size: clamp(2.4rem, 5vw, 4.35rem);
  max-width: min(11em, 100%);
}

.hero .eyebrow { color: #ffffff; }
.hero .lede { color: rgba(255, 255, 255, 0.88); max-width: 42ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero__note { margin: 18px 0 0; font-size: 0.92rem; color: rgba(255, 255, 255, 0.8); }
.hero__note a { color: white; }

.promise-wrap { position: relative; z-index: 2; margin-top: -58px; }

.promises {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.promises li { background: white; padding: 22px 20px 20px; }
.promises svg { width: 28px; height: 28px; stroke: var(--pine); margin-bottom: 12px; }
.promises h2 { font-size: 1.02rem; margin-bottom: 6px; }
.promises p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.section { padding: 88px 0; }
.section--sand { background: var(--sand); }
.section--white { background: white; }
.section__head { max-width: 640px; margin-bottom: 32px; }
.section__head h2 { margin-bottom: 10px; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.product-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  color: inherit;
}

.product-card__media {
  position: relative;
  min-height: 168px;
  display: grid;
  place-items: center;
}

.product-card__media .icon,
.catalog__visual .icon { width: 76px; height: 76px; }

.product-card__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding: 16px 16px 18px;
}

.product-card h3 { margin: 0; }
.product-card p { margin: 0; color: var(--muted); font-size: 0.96rem; }
.more { margin-top: auto; font-weight: 700; color: var(--pine-dark); }
.more::after { content: " \2192"; }

.badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--red);
  color: white;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tone-urinal { background: linear-gradient(160deg, #1d2061, #435bad); }
.tone-dryer { background: linear-gradient(160deg, #24327d, #7282c0); }
.tone-basin { background: linear-gradient(160deg, #2c3b84, #435bad); }
.tone-tab { background: linear-gradient(160deg, #1d2061, #d23349); }
.tone-clean { background: linear-gradient(160deg, #3b0d4e, #435bad); }
.tone-connect { background: linear-gradient(160deg, #12143f, #435bad); }
.tone-wall { background: linear-gradient(160deg, #3a4158, #6d758c); }
.tone-hygiene { background: linear-gradient(160deg, #6b215a, #e03729); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span,
.jumps a {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: white;
  border: 1px solid var(--line);
  color: var(--forest);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
}

.jumps { display: flex; flex-wrap: wrap; gap: 8px; }
.jumps a:hover { border-color: var(--pine); color: var(--pine-dark); }

.story {
  display: grid;
  grid-template-columns: 1.35fr 0.75fr;
  gap: 48px;
  align-items: start;
}

.story__quote {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--forest);
}

.story__quote footer {
  display: block;
  margin-top: 16px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--muted);
}

.facts {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 6px 22px;
}

.facts div { padding: 16px 0; border-bottom: 1px solid var(--line); }
.facts div:last-child { border-bottom: 0; }
.facts dt {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.facts dd { margin: 4px 0 0; font-weight: 700; }

.stats { background: var(--forest); color: var(--cream); }
.stats__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.stats article { padding: 56px 28px; }
.stats article + article { border-left: 1px solid rgba(255, 255, 255, 0.16); }
.stats__value {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.8rem, 5vw, 4.1rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: white;
}
.stats__value span { font-size: 0.42em; }
.stats h3 { color: white; margin-bottom: 8px; }
.stats p { margin: 0; color: rgba(255, 255, 255, 0.82); }
.stats__foot {
  margin: 0;
  padding: 0 0 36px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.credentials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.credential {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.credential__who {
  margin-bottom: 8px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pine);
}

.credential h3 { margin-bottom: 8px; }
.credential p { margin: 0; color: var(--muted); }

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.prose p { color: var(--muted); max-width: 68ch; }
.prose a,
.lede a,
.note a,
.faq a { color: var(--forest); font-weight: 700; }
.prose a:hover,
.lede a:hover,
.note a:hover,
.faq a:hover { color: var(--red); }

.langs {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex: none;
}

.langs button {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: transparent;
  color: #fff;
  border-radius: 999px;
  padding: 3px 8px;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.4;
  cursor: pointer;
}

.langs button.is-active {
  background: var(--pine);
  border-color: var(--pine);
  color: #fff;
}

.langs button:hover { border-color: #fff; color: #fff; }

.advantages {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  counter-reset: adv;
}

.advantages li {
  position: relative;
  background: white;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 20px 20px 72px;
}

.advantages li::before {
  counter-increment: adv;
  content: counter(adv, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--serif);
  font-size: 1.35rem;
  color: var(--pine);
}

.advantages h3 { margin-bottom: 6px; }
.advantages p { margin: 0; color: var(--muted); }

.ticks { list-style: none; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 28px; color: var(--muted); }
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--mist) center / 12px no-repeat;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5 6.2 12 13 4' fill='none' stroke='%23435BAD' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
}

.flow {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  counter-reset: flow;
}

.flow li {
  background: white;
  border-radius: 16px;
  border-top: 3px solid var(--pine);
  padding: 18px;
  box-shadow: var(--shadow);
}

.flow li::before {
  counter-increment: flow;
  content: counter(flow);
  display: block;
  margin-bottom: 8px;
  font-family: var(--serif);
  font-size: 1.7rem;
  color: var(--pine);
}

.flow h3 { margin-bottom: 6px; }
.flow p { margin: 0; color: var(--muted); }

.cta-band {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 36px 40px;
  border-radius: 24px;
  background:
    linear-gradient(100deg, rgba(18, 20, 63, 0.94), rgba(67, 91, 173, 0.72)),
    url("../assets/startseite-header.jpg") center / cover;
  color: var(--cream);
}

.cta-band h2 { color: white; margin-bottom: 8px; }
.cta-band p { margin: 0; max-width: 52ch; color: rgba(255, 255, 255, 0.86); }
.cta-band .btn--light:visited { color: var(--forest); }

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
  background: var(--forest-deep);
  color: var(--cream);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 0 35%;
  background: url("../assets/startseite-header.jpg") center 42% / cover no-repeat;
  opacity: 0.55;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #12143f 0%, rgba(18, 20, 63, 0.9) 46%, rgba(67, 91, 173, 0.4) 100%);
}

.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { color: #ffffff; font-size: clamp(2.4rem, 4vw, 3.6rem); max-width: 16em; margin-bottom: 12px; }
.page-hero .lede { color: rgba(255, 255, 255, 0.88); }
.page-hero .eyebrow { color: #ffffff; }

.crumbs { margin-bottom: 18px; font-size: 0.9rem; color: rgba(255, 255, 255, 0.8); }
.crumbs a { color: white; text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }

.catalog {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 40px;
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.catalog:first-child { border-top: 0; padding-top: 8px; }
.catalog:nth-child(even) .catalog__visual { order: 2; }

.catalog__visual {
  min-height: 300px;
  border-radius: 24px;
  display: grid;
  place-items: center;
}

.catalog h2 { margin-bottom: 10px; }
.catalog .ticks { margin: 18px 0 22px; }

.models {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.model {
  background: white;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.model__family {
  margin-bottom: 8px;
  color: var(--pine-dark);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.model h3 { margin-bottom: 8px; }
.model p { margin: 0; color: var(--muted); }

.table-wrap {
  overflow-x: auto;
  background: white;
  border: 1px solid var(--line);
  border-radius: 16px;
}

table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { text-align: left; vertical-align: top; padding: 14px 16px; border-bottom: 1px solid var(--line); }
th { background: var(--forest); color: white; font-weight: 700; }
tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 700; color: var(--forest); }

.note {
  background: var(--mist);
  border-radius: 16px;
  padding: 16px 18px;
  color: var(--ink);
}

.note p:last-child { margin-bottom: 0; }

.calc-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 20px;
  align-items: start;
}

.panel {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
}

.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.field { display: flex; flex-direction: column; gap: 6px; font-size: 0.92rem; font-weight: 700; }
.field--wide { grid-column: 1 / -1; }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: white;
  font-weight: 500;
}

.field textarea { min-height: 140px; resize: vertical; }
.hint { margin: 14px 0 0; color: var(--muted); font-size: 0.92rem; }

.calc-results {
  position: sticky;
  top: 96px;
  background: var(--forest);
  color: var(--cream);
  border: 0;
}

.calc-results h2 { color: white; font-size: 1.4rem; }
.result { padding: 14px 0; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.result span { display: block; font-size: 0.86rem; color: rgba(255, 255, 255, 0.75); }
.result strong {
  display: block;
  margin-top: 4px;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 500;
  line-height: 1;
  color: white;
}

.faq { border-bottom: 1px solid var(--line); scroll-margin-top: 96px; }
.faq summary {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 4px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--serif); font-size: 1.5rem; color: var(--pine); line-height: 1; }
.faq[open] summary::after { content: "\2013"; }
.faq p { margin: 0 0 18px; padding: 0 28px 0 4px; max-width: 70ch; color: var(--muted); }

.contact-grid {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 36px;
  align-items: start;
}

.form { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.success { background: var(--mist); border-radius: 18px; padding: 28px; }
.success h2 { margin-bottom: 8px; }

.site-footer {
  background: var(--navy-deep);
  color: #d5d8ea;
  margin-top: 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 64px 0 36px;
}

.site-footer h2 {
  margin-bottom: 14px;
  color: white;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-footer ul { list-style: none; display: grid; gap: 8px; }
.site-footer a { color: #e6e8f4; text-decoration: none; }
.site-footer a:hover { color: white; text-decoration: underline; }
.site-footer p { margin: 0 0 10px; }
.logo--footer {
  --logo-scale: 0.188;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 0 0 8px #fff;
  margin: 0 0 22px;
}

.footer__base {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px 0 28px;
  font-size: 0.88rem;
}

[id] { scroll-margin-top: 96px; }

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .nav-check {
    display: block;
    position: absolute;
    right: 0;
    top: 15px;
    width: 44px;
    height: 44px;
    margin: 0;
    opacity: 0;
    z-index: 5;
    pointer-events: auto;
    cursor: pointer;
  }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: -20px;
    right: -20px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 8px 20px 20px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav-check:checked ~ .nav { display: flex; }
  .nav-check:checked + .nav-toggle span:nth-of-type(1) { transform: translateY(7px) rotate(45deg); }
  .nav-check:checked + .nav-toggle span:nth-of-type(2) { opacity: 0; }
  .nav-check:checked + .nav-toggle span:nth-of-type(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav__list { flex-direction: column; align-items: stretch; }
  .sub {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    padding: 0 0 8px 12px;
    min-width: 0;
    background: transparent;
  }
  .has-sub::after { display: none; }
  .product-grid,
  .credentials,
  .models { grid-template-columns: 1fr 1fr; }
  .story,
  .split,
  .catalog,
  .calc-grid,
  .contact-grid,
  .footer__grid,
  .advantages { grid-template-columns: 1fr; }
  .catalog:nth-child(even) .catalog__visual { order: 0; }
  .flow { grid-template-columns: 1fr 1fr; }
  .calc-results { position: static; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 28px; }
}

@media (max-width: 700px) {
  :root { --header-h: 116px; }
  .topbar__inner { flex-direction: column; align-items: flex-start; padding: 8px 0; gap: 6px; }
  .hero { min-height: 0; }
  .hero__media { inset: 0; opacity: 1; }
  .logo { --logo-scale: 0.12; }
  .logo--footer { --logo-scale: 0.16; }
  .hero::after { background: linear-gradient(180deg, rgba(18, 20, 63, 0.35) 0%, rgba(18, 20, 63, 0.8) 46%, #12143f 78%); }
  .hero__content { padding: 56px 0 108px; }
  .hero h1 { max-width: none; }
  .promises,
  .product-grid,
  .credentials,
  .models,
  .flow,
  .stats__grid,
  .fields,
  .form-row { grid-template-columns: 1fr; }
  .stats article + article { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.16); }
  .page-hero::before { inset: 0; opacity: 0.85; }
  .section { padding: 64px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}