:root {
  color-scheme: light;
  --bg: #f4f2ee;
  --bg-gradient: radial-gradient(circle at 15% 20%, #faf8f5 0%, #f4f2ee 45%, #ece8e2 100%);
  --surface: #fbfaf8;
  --surface-soft: #f2eee8;
  --text: #1f2328;
  --text-muted: #5a626c;
  --border: #d5cec4;
  --shadow: 0 10px 25px rgba(51, 44, 36, 0.08);
  --accent: #7a7266;
  --accent-strong: #5f584f;
  --radius: 14px;
  --radius-sm: 10px;
  --container: 1120px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1b1d20;
  --bg-gradient: radial-gradient(circle at 15% 20%, #25282d 0%, #1b1d20 55%, #141619 100%);
  --surface: #24282d;
  --surface-soft: #2e333a;
  --text: #edf0f3;
  --text-muted: #b0b8c2;
  --border: #3a4048;
  --shadow: 0 14px 28px rgba(0, 0, 0, 0.32);
  --accent: #c7beb1;
  --accent-strong: #e2d8c9;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  line-height: 1.5;
  background: var(--bg-gradient);
  color: var(--text);
}

a {
  color: inherit;
}

.container {
  width: min(var(--container), 92vw);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 800;
  color: var(--accent-strong);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link {
  text-decoration: none;
  padding: 0.5rem 0.7rem;
  border-radius: 999px;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.nav-link:hover {
  border-color: var(--border);
  background: color-mix(in srgb, var(--surface-soft) 60%, transparent);
  color: var(--text);
}

.nav-link.is-active {
  border-color: var(--border);
  background: var(--surface);
  color: var(--accent-strong);
  font-weight: 700;
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  font: inherit;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.theme-toggle:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.theme-toggle:active {
  transform: translateY(1px);
}

.theme-toggle:focus-visible,
.nav-link:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent-strong) 35%, transparent);
  outline-offset: 2px;
}

main {
  padding: 2rem 0 2.6rem;
}

.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem;
}

.section + .section {
  margin-top: 1.4rem;
}

.section-heading h1,
.section-heading h2 {
  margin: 0 0 0.2rem;
  letter-spacing: 0.01em;
}

.section-heading p {
  margin: 0;
  color: var(--text-muted);
}

.cat-gallery {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.cat-card {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  min-height: 180px;
  aspect-ratio: 4 / 3;
}

.cat-image,
.cat-placeholder {
  width: 100%;
  height: 100%;
}

.cat-image {
  object-fit: cover;
  display: block;
}

.cat-placeholder {
  display: grid;
  place-items: center;
  text-align: center;
  gap: 0.25rem;
  color: var(--text-muted);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--surface-soft) 75%, transparent), color-mix(in srgb, var(--surface) 65%, transparent)),
    repeating-linear-gradient(45deg, transparent 0, transparent 12px, color-mix(in srgb, var(--border) 40%, transparent) 12px, color-mix(in srgb, var(--border) 40%, transparent) 13px);
}

.cat-placeholder strong {
  font-size: 0.95rem;
  color: var(--text);
}

.cat-placeholder small {
  font-size: 0.82rem;
}

.cat-facts-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.55rem;
}

.cat-fact-item {
  color: var(--text);
}

.contacts-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.vet-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  padding: 0.95rem;
}

.vet-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--accent-strong);
}

.vet-card p {
  margin: 0.22rem 0;
  color: var(--text-muted);
}

.vet-card strong {
  color: var(--text);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
}

.site-footer p {
  margin: 0;
  color: var(--text-muted);
  padding: 1rem 0 1.3rem;
  font-size: 0.95rem;
}

@media (min-width: 700px) {
  .cat-gallery,
  .contacts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .cat-gallery,
  .contacts-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .brand {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}