:root {
  color-scheme: light;
  --bg: #f7f6f3;
  --surface: #ffffff;
  --surface-alt: #eef2f7;
  --border: #d6dce6;
  --text: #233043;
  --muted: #546070;
  --accent: #4768a9;
  --accent-soft: #7b96c9;
  --shadow: 0 18px 40px rgba(24, 38, 63, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

.container {
  width: min(1120px, 90%);
  margin: 0 auto;
}

.site-header .container {
  width: 100%;
  margin: 0;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 10;
  width: 240px;
  height: 100vh;
  background: rgba(255, 255, 255, 0.95);
  border-left: 1px solid var(--border);
  backdrop-filter: blur(6px);
  transition: transform 0.3s ease;
}

.header-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 24px;
  gap: 20px;
  height: 100%;
}

.brand-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.panel-toggle {
  align-self: flex-start;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-alt);
  font-weight: 600;
  cursor: pointer;
}

.panel-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.5px;
}

.site-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-weight: 500;
  color: var(--muted);
}

main {
  padding-right: 240px;
  transition: padding 0.3s ease;
}

body.panel-collapsed .site-header {
  transform: translateX(100%);
}

body.panel-collapsed main {
  padding-right: 0;
}

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

.hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #f3f4f7 0%, #e4ecf8 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 12px 0 18px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 1.6px;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 22px;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

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

.button.ghost {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.benefits {
  list-style: none;
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.benefits li {
  padding-left: 18px;
  position: relative;
}

.benefits li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-soft);
}

.hero-media {
  background: var(--surface);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.products {
  padding: 70px 0;
  background: var(--surface);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-heading h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}

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

.catalog-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 32px;
  border-radius: 18px;
  background: linear-gradient(120deg, rgba(228, 233, 242, 0.92) 0%, rgba(243, 245, 248, 0.92) 100%),
    url("https://images.pexels.com/photos/8760709/pexels-photo-8760709.jpeg?auto=compress&cs=tinysrgb&w=1200");
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
  margin-bottom: 32px;
}

.catalog-banner h3 {
  margin-bottom: 10px;
}

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

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 40px;
}

.category-card {
  background: var(--surface-alt);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--border);
}

.category-card h4 {
  margin-bottom: 10px;
}

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

.visual-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.visual-strip img {
  border-radius: 16px;
  border: 1px solid var(--border);
}

.contacts {
  padding: 70px 0 90px;
  background: var(--surface-alt);
}

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: start;
}

.contact-lead {
  color: var(--muted);
  margin: 12px 0 20px;
}

.contact-card {
  background: var(--surface);
  padding: 20px;
  border-radius: 16px;
  border: 1px solid var(--border);
  display: grid;
  gap: 10px;
}

.lead-form {
  background: var(--surface);
  padding: 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
  display: grid;
  gap: 14px;
}

.lead-form label {
  font-weight: 600;
  font-size: 0.92rem;
  display: grid;
  gap: 6px;
}

.lead-form input,
.lead-form textarea {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: inherit;
}

.lead-form input:focus,
.lead-form textarea:focus {
  outline: 2px solid rgba(71, 104, 169, 0.2);
  border-color: var(--accent);
}

.form-note {
  font-size: 0.85rem;
  color: var(--muted);
}

.site-footer {
  background: #1f2734;
  color: #e7edf7;
  padding: 26px 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .site-header {
    position: sticky;
    right: auto;
    width: 100%;
    height: auto;
    border-left: none;
    border-bottom: 1px solid var(--border);
  }

  .header-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    height: auto;
  }

  .brand-row {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }

  .site-header .container {
    width: min(1120px, 90%);
    margin: 0 auto;
  }

  .site-nav {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  main {
    padding-right: 0;
  }

  .catalog-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}