:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-soft: #f1f3f6;
  --text: #1d2733;
  --text-muted: #5b6875;
  --border: #dde3ea;
  --accent: #ef7d22;
  --accent-dark: #c9610f;
  --shadow: 0 10px 30px rgba(18, 33, 51, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
  --header-h: 78px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Open Sans", "Lato", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.section {
  padding: 72px 0;
}

.section-tight {
  padding: 48px 0;
}

.section-title {
  margin: 0 0 16px;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-lead {
  max-width: 760px;
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent-dark);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.muted {
  color: var(--text-muted);
}

.page-top-space {
  padding-top: calc(var(--header-h) + 22px);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--text);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  z-index: 999;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(221, 227, 234, 0.8);
}

.header-inner {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: 1.25rem;
  font-weight: 200;
  letter-spacing: -0.02em;
}

.brand span {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}

.nav-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
  border-radius: 2px;
}

.main-nav ul {
  display: flex;
  gap: 10px;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
}

.main-nav a {
  display: inline-block;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.active {
  background: var(--surface-soft);
  color: var(--text);
}

.btn,
button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-dark);
}

.btn-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.hero {
  padding: 64px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
}

.hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(2.3rem, 5vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.hero-copy p {
  margin: 0 0 28px;
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 60ch;
}

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

.hero-media {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.stat-card strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.grid-3,
.grid-2,
.grid-2-article,
.cards-grid {
  display: grid;
  gap: 24px;
}

.grid-3,
.cards-grid {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-2-article {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.card-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.card-body {
  padding: 24px;
}

.card h3,
.card h2 {
  margin: 0 0 10px;
  line-height: 1.2;
}

.card p {
  margin: 0 0 18px;
  color: var(--text-muted);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-dark);
  font-weight: 700;
}

.feature-list,
.clean-list,
.spec-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}

.feature-list li,
.clean-list li,
.spec-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.feature-list li:first-child,
.clean-list li:first-child,
.spec-list li:first-child {
  padding-top: 0;
}

.panel,
.article-panel,
.highlight-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel,
.highlight-box {
  padding: 28px;
}

.article-panel {
  overflow: hidden;
}

.article-image {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}

.article-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.article-image figcaption {
  padding: 12px 14px;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-top: 1px solid var(--border);
}

.page-hero {
  padding: 46px 0 24px;
}

.page-hero-box {
  background: linear-gradient(180deg, #ffffff 0%, #f7f8fa 100%);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 42px;
  box-shadow: var(--shadow);
}

.page-hero-box h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
}

.page-hero-box p {
  margin: 0;
  max-width: 65ch;
  color: var(--text-muted);
}

.breadcrumbs {
  margin-bottom: 16px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.breadcrumbs a {
  color: var(--accent-dark);
}

.article-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.article-content h2,
.article-content h3 {
  margin-top: 0;
  line-height: 1.18;
}

.article-content p {
  color: #31404f;
}

.article-content + .article-image,
.article-image + .article-content {
  margin-top: 24px;
}

.article-block + .article-block {
  margin-top: 28px;
}

.dotation-note {
  margin-top: 34px;
  padding: 20px 22px;
  border-radius: var(--radius-sm);
  background: #fff5eb;
  border: 1px solid #ffd7b3;
  color: #6b441f;
  font-size: 0.97rem;
}

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.product-gallery-main,
.product-thumb {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}

.product-gallery-main img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

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

.product-thumb img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.product-summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.product-summary h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
}

.product-summary .short-desc {
  margin: 0 0 22px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.product-meta {
  display: grid;
  gap: 14px;
  margin: 24px 0 28px;
}

.product-meta-item {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-soft);
}

.product-meta-item strong {
  display: block;
  margin-bottom: 4px;
}

.accordion {
  margin-top: 34px;
  display: grid;
  gap: 12px;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: 18px 22px;
  border: 0;
  background: transparent;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
}

.accordion-header:hover,
.accordion-header:focus-visible {
  background: var(--surface-soft);
}

.accordion-icon {
  font-size: 1.4rem;
  line-height: 1;
  color: var(--accent-dark);
}

.accordion-panel {
  display: none;
  padding: 0 22px 22px;
  color: #31404f;
}

.accordion-item.is-open .accordion-panel {
  display: block;
}

.download-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.download-list li + li {
  margin-top: 12px;
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-dark);
  font-weight: 700;
}

.cta-box {
  margin-top: 40px;
  padding: 30px;
  background: linear-gradient(135deg, #fff8f2 0%, #ffffff 100%);
  border: 1px solid #ffd7b3;
  border-radius: 24px;
}

.cta-box h2 {
  margin: 0 0 10px;
}

.cta-box p {
  margin: 0 0 18px;
  color: var(--text-muted);
}

.contact-card,
.contact-layout {
  display: grid;
  gap: 24px;
}

.contact-layout {
  grid-template-columns: 1fr 1fr;
  align-items: start;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.contact-card h2 {
  margin-top: 0;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}

.contact-list li + li {
  margin-top: 14px;
}

.contact-list strong {
  display: block;
  margin-bottom: 4px;
}

.contact-media {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.contact-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.site-footer {
  margin-top: 42px;
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-inner {
  padding: 26px 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  margin-bottom:1em;
  background: #fff1e6;
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 0.9rem;
}

.tag-gray {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  margin-bottom:1em;
  background: #eee;
  color: gray;
  font-weight: 700;
  font-size: 0.9rem;
}

.spacer-top {
  margin-top: 24px;
}

.center {
  text-align: center;
}


.news-date {
  color:var(--accent-dark);
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 20px 0 28px;
  line-height: 1;
}

.product-price-value {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--accent-dark);
  letter-spacing: -0.02em;
}

.product-price-net {
  font-size: 0.95rem;
  font-weight: 600;
  color: #8a8f98;
  text-transform: lowercase;
}






@media (max-width: 960px) {
  .hero-grid,
  .grid-2,
  .grid-2-article,
  .product-layout,
  .contact-layout,
  .cards-grid,
  .grid-3,
  .stats {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 36px;
  }

  .page-hero-box,
  .article-content,
  .product-summary,
  .panel,
  .contact-card {
    padding: 26px;
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 72px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 10px);
    display: none;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 10px;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
  }

  .main-nav a {
    width: 100%;
  }

  .hero-copy h1,
  .page-hero-box h1,
  .product-summary h1 {
    word-break: break-word;
  }

  .section,
  .section-tight {
    padding: 56px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}