:root {
  --green-900: #0c2546;
  --green-800: #123965;
  --green-700: #1e5b96;
  --green-100: #eaf2fb;
  --gold-700: #b27a1f;
  --gold-100: #fff7df;
  --ink: #152235;
  --muted: #617086;
  --line: #d9e3ee;
  --soft: #f4f8fc;
  --blue-950: #071a33;
  --blue-50: #f8fbff;
  --leaf: #2f8f5b;
  --white: #ffffff;
  --header-height: 128px;
  --shadow: 0 14px 30px rgba(12, 37, 70, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-top: var(--header-height);
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(7, 26, 51, 0.08), rgba(255, 255, 255, 0) 380px),
    var(--white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(12, 37, 70, 0.08);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 12px 0;
  display: grid;
  grid-template-columns: 210px 1fr auto;
  gap: 18px;
  align-items: center;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  text-decoration: none;
}

.brand img {
  width: 190px;
  height: auto;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.main-nav a {
  min-height: 44px;
  padding: 10px 13px;
  border-radius: 6px;
  color: var(--green-900);
  font-weight: 700;
  text-decoration: none;
}

.main-nav a:hover,
.main-nav a:focus,
.main-nav a.active {
  background: var(--green-100);
  color: var(--green-800);
  outline: none;
}

.header-contact {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  white-space: nowrap;
  font-weight: 700;
}

.phone-link {
  color: var(--green-900);
  text-decoration: none;
}

.email-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 6px;
  color: var(--white);
  background: var(--green-800);
  font-weight: 800;
  text-decoration: none;
}

.email-link:hover,
.email-link:focus {
  background: var(--green-700);
  outline: none;
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.section.soft {
  background:
    linear-gradient(180deg, var(--blue-50), var(--soft));
}

.section-title {
  margin: 0 0 14px;
  color: var(--green-900);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.16;
}

.section-lead {
  max-width: 780px;
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 19px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold-700);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero {
  min-height: 560px;
  display: grid;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--blue-950);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 26, 51, 0.92), rgba(12, 37, 70, 0.7) 50%, rgba(30, 91, 150, 0.18)),
    url("assets/hero-field-generated.webp") center / cover no-repeat;
}

.hero-content {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 74px 0;
  animation: fade-in 420ms ease-out both;
}

.hero h1 {
  max-width: 760px;
  margin: 0 0 18px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.08;
}

.hero p {
  max-width: 640px;
  margin: 0 0 28px;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 20px;
  border: 2px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.button {
  color: var(--white);
  background: var(--green-800);
  box-shadow: 0 10px 22px rgba(12, 37, 70, 0.16);
}

.button:hover,
.button:focus {
  background: var(--green-700);
  outline: none;
}

.button-secondary {
  color: var(--green-900);
  background: var(--white);
  border-color: var(--line);
}

.button-secondary:hover,
.button-secondary:focus {
  border-color: var(--green-700);
  outline: none;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 42px;
  align-items: center;
}

.fact-list,
.check-list {
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.fact-list li,
.check-list li {
  position: relative;
  padding-left: 30px;
  margin: 10px 0;
  font-weight: 700;
}

.fact-list li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--leaf);
  box-shadow: 0 0 0 4px var(--green-100);
}

.info-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 255, 0.96));
  box-shadow: var(--shadow);
}

.logo-panel img {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card,
.value-card,
.contact-card,
.data-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.product-card {
  padding: 24px;
  display: flex;
  min-height: 270px;
  flex-direction: column;
}

.product-card h3,
.value-card h3,
.contact-card h3,
.data-card h3 {
  margin: 0 0 10px;
  color: var(--green-900);
  font-size: 23px;
  line-height: 1.22;
}

.product-card p,
.value-card p,
.contact-card p,
.data-card p {
  margin: 0 0 16px;
  color: var(--muted);
}

.product-card a {
  margin-top: auto;
  color: var(--green-700);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.badge {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 14px;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--green-800);
  background: var(--green-100);
  font-size: 14px;
  font-weight: 800;
}

.comparison-evidence {
  overflow: hidden;
  width: min(860px, 100%);
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.comparison-evidence > img {
  width: 100%;
  height: auto;
  background: var(--white);
}

.comparison-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.comparison-point {
  padding: 20px 22px;
  background: var(--white);
}

.comparison-point strong,
.comparison-point span {
  display: block;
}

.comparison-point strong {
  margin-bottom: 6px;
  font-size: 21px;
  line-height: 1.25;
}

.comparison-point span {
  color: var(--muted);
  font-weight: 700;
}

.comparison-point-klm {
  border-top: 5px solid var(--green-700);
}

.comparison-point-klm strong {
  color: var(--green-800);
}

.comparison-point-standard {
  border-top: 5px solid #7a817b;
}

.comparison-point-standard strong {
  color: #555d57;
}

.comparison-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.comparison-photo-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.comparison-photo-card img {
  width: 100%;
  height: 240px;
  object-fit: contain;
  background: var(--white);
}

.comparison-photo-card figcaption {
  padding: 14px 16px;
  color: var(--green-900);
  font-weight: 800;
}

.note {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-left: 5px solid var(--gold-700);
  background: var(--gold-100);
  font-weight: 700;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.value-card {
  padding: 24px;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1.2fr);
  gap: 28px;
  align-items: start;
}

.contact-card {
  padding: 24px;
}

.contact-line {
  margin: 0 0 14px;
}

.contact-line strong {
  display: block;
  color: var(--green-900);
}

.form-grid {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--green-900);
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  min-height: 48px;
  padding: 11px 12px;
  border: 1px solid #c9d5cc;
  border-radius: 6px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--green-700);
  outline: 3px solid var(--green-100);
}

.page-hero {
  padding: 68px 0;
  background:
    linear-gradient(90deg, rgba(7, 26, 51, 0.98), rgba(12, 37, 70, 0.94) 62%, rgba(30, 91, 150, 0.56)),
    var(--green-900);
  color: var(--white);
}

.page-hero h1 {
  max-width: 820px;
  margin: 0 0 14px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.1;
}

.page-hero p {
  max-width: 760px;
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  text-shadow: 0 1px 10px rgba(7, 26, 51, 0.32);
}

.catalog-hero {
  padding: 76px 0;
}

.catalog-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 32px;
  align-items: end;
}

.catalog-hero-card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(10px);
}

.catalog-hero-card strong {
  display: block;
  font-size: 48px;
  line-height: 1;
}

.catalog-hero-card span,
.catalog-hero-card small {
  display: block;
  margin-top: 6px;
  font-weight: 800;
}

.catalog-hero-card small {
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.content-block {
  max-width: 860px;
}

.content-block p {
  margin: 0 0 18px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.data-card {
  padding: 24px;
}

.catalog-section {
  background:
    linear-gradient(180deg, var(--blue-950), var(--green-900) 520px, var(--blue-50) 520px, var(--blue-50));
}

.catalog-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 18px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 20px 44px rgba(7, 26, 51, 0.22);
}

.catalog-search,
.catalog-filter {
  color: var(--green-900);
}

.catalog-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.catalog-summary-card {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--green-900), var(--green-800));
  box-shadow: 0 14px 30px rgba(7, 26, 51, 0.18);
}

.catalog-summary-card strong {
  display: block;
  font-size: 34px;
  line-height: 1;
}

.catalog-summary-card span {
  display: block;
  margin-top: 8px;
  font-weight: 800;
}

.catalog-result-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 22px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.catalog-result-line p {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.catalog-result-line strong {
  color: var(--green-900);
}

.catalog-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.catalog-product-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.catalog-product-media {
  background: var(--green-100);
}

.catalog-product-media img {
  width: 100%;
  height: 230px;
  object-fit: cover;
}

.catalog-product-body {
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.catalog-product-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.catalog-page {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.catalog-product-card h2 {
  margin: 0 0 6px;
  color: var(--green-900);
  font-size: 25px;
  line-height: 1.14;
}

.catalog-family {
  margin: 0 0 14px;
  color: var(--green-700);
  font-weight: 800;
}

.catalog-content-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 16px;
}

.catalog-content-chips span {
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--green-900);
  background: var(--green-100);
  font-size: 13px;
  font-weight: 800;
}

.catalog-usage {
  margin: 0 0 16px;
  color: var(--muted);
}

.catalog-package {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--green-900);
}

.site-footer {
  padding: 34px 0;
  color: var(--white);
  background: var(--green-900);
}

.footer-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}

.footer-inner a {
  color: var(--white);
  font-weight: 800;
}

@media (max-width: 1040px) {
  :root {
    --header-height: 178px;
  }

  .header-inner {
    grid-template-columns: 1fr;
    gap: 8px;
    justify-items: center;
  }

  .header-contact {
    justify-content: center;
    flex-wrap: wrap;
  }

  .card-grid,
  .value-grid,
  .catalog-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  body {
    padding-top: 0;
    font-size: 16px;
  }

  .site-header {
    position: static;
  }

  .header-inner {
    width: min(100% - 20px, 1180px);
    padding: 8px 0;
  }

  .brand img {
    width: 156px;
  }

  .main-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .main-nav a {
    min-height: 40px;
    padding: 8px 8px;
    text-align: center;
    font-size: 15px;
  }

  .header-contact {
    gap: 8px;
    font-size: 15px;
  }

  .email-link {
    min-height: 40px;
    padding: 8px 12px;
  }

  .hero {
    min-height: 500px;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(7, 26, 51, 0.94), rgba(12, 37, 70, 0.72)),
      url("assets/hero-field-generated.webp") center / cover no-repeat;
  }

  .page-hero {
    background:
      linear-gradient(90deg, rgba(7, 26, 51, 0.97), rgba(12, 37, 70, 0.88)),
      var(--green-900);
  }

  .section {
    padding: 52px 0;
  }

  .split,
  .comparison-summary,
  .contact-grid,
  .two-col,
  .catalog-hero-inner,
  .catalog-toolbar,
  .catalog-summary,
  .catalog-product-grid,
  .catalog-grid,
  .comparison-gallery,
  .data-grid {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .value-grid {
    grid-template-columns: 1fr;
  }

  .catalog-section {
    background:
      linear-gradient(180deg, var(--blue-950), var(--green-900) 420px, var(--blue-50) 420px, var(--blue-50));
  }

  .catalog-hero-card {
    padding: 18px;
  }

  .catalog-toolbar {
    padding: 18px;
  }

  .catalog-product-media img {
    height: 240px;
  }

}