:root {
  --bg: #fff;
  --text: #202124;
  --muted: #5f6368;
  --line: #e0e0e0;
  --soft: #f8f9fa;
  --hover: #f1f3f4;
  --blue: #1a73e8;
  --blue2: #1669d2;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Arial,
    sans-serif;
  line-height: 1.55;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--blue);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

h1,
h2,
h3 {
  margin: 0 0 0.5rem;
  font-weight: 600;
  line-height: 1.25;
}
p {
  margin: 0 0 1rem;
  color: var(--muted);
}
ul,
ol {
  margin: 0.25rem 0 1rem;
  padding-left: 1.25rem;
  color: var(--muted);
}
li {
  margin: 0.25rem 0;
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 16px 48px;
}

section {
  margin: 22px 0;
  padding: 0;
}
section + section {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 140px;
}
.logo img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.nav a {
  display: inline-block;
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--text);
}
.nav a:hover {
  background: var(--hover);
  text-decoration: none;
}

.burger {
  display: none;
  width: 44px;
  height: 40px;
  border: 0;
  background: transparent;
  border-radius: 10px;
  cursor: pointer;
  padding: 10px;
}
.burger:hover {
  background: var(--hover);
}
.burger span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  margin: 6px 0;
  transition:
    transform 0.16s ease,
    opacity 0.16s ease;
}

.page-header {
  max-width: 980px;
  margin: 0 auto;
  padding: 22px 16px 10px;
  border-bottom: 1px solid var(--line);
}
.page-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.page-header nav a {
  color: var(--blue);
  padding: 6px 8px;
  border-radius: 10px;
}
.page-header nav a:hover {
  background: var(--hover);
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px;
  background: var(--soft);
  border-radius: var(--radius);
}
.hero-text p {
  max-width: 60ch;
}
.hero-image img {
  border-radius: var(--radius);
}

.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
}
.btn:hover {
  background: var(--blue2);
  text-decoration: none;
}

.categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.category {
  padding: 12px;
  border-radius: var(--radius);
  background: var(--soft);
  text-align: center;
}
.category:hover {
  background: var(--hover);
}
.category img {
  width: 100%;
  height: 72px;
  object-fit: cover;
  border-radius: 10px;
}
.category p {
  margin: 10px 0 0;
  color: var(--text);
  font-weight: 600;
}

.about-container {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 18px;
  align-items: center;
}
.about-image img {
  border-radius: var(--radius);
}

.catalog-table {
  width: 100%;
  border-collapse: collapse;
}
.catalog-table caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 10px;
  color: var(--text);
  font-weight: 600;
}
.catalog-table thead th {
  text-align: left;
  padding: 10px 8px;
  color: var(--muted);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}
.catalog-table td {
  padding: 12px 8px;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.catalog-table tbody tr:hover {
  background: #fafafa;
}
.catalog-table td img {
  width: 92px;
  height: 68px;
  object-fit: cover;
  border-radius: 10px;
}

.request-form,
.feedback-form {
  display: grid;
  gap: 12px;
  width: 100%;
}

label {
  display: grid;
  gap: 6px;
  color: var(--text);
  font-weight: 600;
}

input,
textarea,
select {
  font: inherit;
  padding: 10px 2px;
  border: 0;
  border-bottom: 1px solid #dadce0;
  border-radius: 0;
  background: transparent;
  color: var(--text);
  outline: none;
}
textarea {
  min-height: 120px;
  resize: vertical;
}
input:focus,
textarea:focus,
select:focus {
  border-bottom: 2px solid var(--blue);
}

button {
  justify-self: start;
  padding: 10px 14px;
  border: 0;
  border-radius: 10px;
  background: var(--blue);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}
button:hover {
  background: var(--blue2);
}

.site-footer {
  max-width: 980px;
  margin: 0 auto 28px;
  padding: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.site-footer .contacts {
  background: var(--soft);
  border-radius: var(--radius);
  padding: 14px;
}
.site-footer strong {
  color: var(--text);
}
.site-footer > p {
  margin: 12px 0 0;
  text-align: center;
}

footer {
  max-width: 980px;
  margin: 0 auto 28px;
  padding: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}
footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .about-container {
    grid-template-columns: 1fr;
  }
  .categories {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .burger {
    display: block;
  }
  .nav {
    position: absolute;
    top: 56px;
    left: 16px;
    right: 16px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--line);
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition:
      opacity 0.16s ease,
      transform 0.16s ease;
  }
  .nav ul {
    flex-direction: column;
    gap: 2px;
    padding: 8px;
  }
  .nav a {
    border-radius: 10px;
    padding: 10px 10px;
  }
  .site-header.nav-open .nav {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .site-header.nav-open .burger span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .site-header.nav-open .burger span:nth-child(2) {
    opacity: 0;
  }
  .site-header.nav-open .burger span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}