/* PET-Мастер — документация, экологичная палитра */
:root {
  --eco: #009746;
  --eco-hover: #007a3a;
  --eco-soft: rgba(0, 151, 70, 0.12);
  --eco-muted: #e8f5ee;
  --ink: #1a2e24;
  --ink-muted: #4a6356;
  --paper: #f7fbf8;
  --white: #ffffff;
  --surface: #ffffff;
  --on-eco: #ffffff;
  --footer-bg: #1a2e24;
  --footer-link: #8fd4ae;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 55, 30, 0.08);
  --font: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}

html[data-theme="dark"] {
  --eco: #00b359;
  --eco-hover: #33d17a;
  --eco-soft: rgba(0, 179, 89, 0.22);
  --eco-muted: #243244;
  --ink: #e4f0ea;
  --ink-muted: #8fb3a0;
  --paper: #1e2337;
  --white: #283149;
  --surface: #1e2840;
  --on-eco: #ffffff;
  --footer-bg: #121826;
  --footer-link: #6ee7a8;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
}

/* Фон: лёгкий «листовой» узор */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.45;
  background:
    radial-gradient(
      ellipse 120% 80% at 100% 0%,
      var(--eco-soft),
      transparent 50%
    ),
    radial-gradient(
      ellipse 80% 60% at 0% 100%,
      rgba(0, 151, 70, 0.06),
      transparent 45%
    );
  pointer-events: none;
}

a {
  color: var(--eco);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--eco-hover);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 251, 248, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--eco-soft);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.site-header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-header__tools {
  display: flex;
  align-items: center;
  gap: 0.75rem 1rem;
  flex-wrap: wrap;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: 10px;
  border: 1px solid var(--eco-soft);
  background: var(--white);
  color: var(--ink-muted);
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}

.theme-toggle:hover {
  color: var(--eco);
  border-color: var(--eco);
  background: var(--eco-muted);
}

.theme-toggle__icon {
  display: block;
}

.theme-toggle__icon--sun {
  display: none;
}

html[data-theme="dark"] .theme-toggle__icon--sun {
  display: block;
}

html[data-theme="dark"] .theme-toggle__icon--moon {
  display: none;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}

.logo:hover {
  color: var(--eco);
}

.logo__mark {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--eco), #007a3a 55%, #00c853);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(0, 151, 70, 0.35);
}

.logo__recycle {
  width: 46px;
  height: 46px;
  display: block;
}

.logo__wordmark {
  line-height: 1.2;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
}

.nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a.is-active {
  color: var(--eco);
  border-bottom-color: var(--eco);
}

.nav .nav-external {
  color: var(--ink-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  margin-left: 0.25rem;
}

.nav .nav-external:hover {
  color: var(--eco);
  border-bottom-color: var(--eco);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.hero {
  display: grid;
  gap: 2rem;
  padding: 2.5rem 0 3rem;
}

@media (min-width: 900px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3rem;
  }
}

.hero__text h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  line-height: 1.2;
  color: var(--ink);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}

.btn--primary {
  background: var(--eco);
  color: var(--on-eco);
}

.btn--primary:hover {
  background: var(--eco-hover);
  color: var(--on-eco);
}

.btn--ghost {
  background: transparent;
  color: var(--eco);
  border-color: var(--eco);
}

.btn--ghost:hover {
  background: var(--eco-soft);
}

/* Визуальный блок: вертикально — сначала «Фото станка», ниже «Процесс» */
.hero__visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hero__text {
  max-width: 38rem;
}

.hero__about {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--ink-muted);
  margin: 0 0 1.25rem;
}

.hero__lead {
  font-size: 1.22rem;
  line-height: 1.55;
  color: var(--ink-muted);
  margin: 0 0 1.25rem;
}

@media (min-width: 900px) {
  .hero__text {
    max-width: 42rem;
  }

  .hero__about {
    font-size: 1.08rem;
  }

  .hero__lead {
    font-size: 1.28rem;
  }
}

/* Заглушки рекламных фото */
.img-placeholder {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--eco-muted) 0%, #d4eadf 100%);
  border: 2px dashed rgba(0, 151, 70, 0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.25rem;
  color: var(--ink-muted);
  box-shadow: var(--shadow);
}

.img-placeholder__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 0.75rem;
  opacity: 0.55;
  color: var(--eco);
}

.img-placeholder__title {
  font-weight: 700;
  color: var(--ink);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.img-placeholder__hint {
  font-size: 0.8rem;
  opacity: 0.85;
}

.hero__shot--primary {
  aspect-ratio: 16 / 9;
  min-height: 200px;
}

.hero__shot--secondary {
  aspect-ratio: 16 / 10;
}

.section {
  margin-top: 3rem;
}

.section__title {
  font-size: 1.5rem;
  margin: 0 0 1rem;
  color: var(--ink);
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--eco);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.section__title-icon {
  font-size: 1.35em;
  line-height: 1;
  filter: grayscale(0.15);
}

.page-h1 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.page-h1__ico {
  font-size: 1.75rem;
  line-height: 1;
}

.cards {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.35rem;
  border: 1px solid var(--eco-soft);
  box-shadow: var(--shadow);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 55, 30, 0.1);
}

.card__head {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.card__ico {
  font-size: 1.5rem;
  line-height: 1.2;
  flex-shrink: 0;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--ink);
}

.card__head + p {
  margin-top: 0;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
}

.card a {
  font-weight: 600;
}

.site-footer {
  margin-top: auto;
  padding: 2rem 1.25rem;
  background: var(--footer-bg);
  color: #c5d5cc;
  font-size: 0.9rem;
}

.site-footer__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.site-footer a {
  color: var(--footer-link);
}

.site-footer a:hover {
  color: #ffffff;
}

/* Markdown content */
.prose {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--eco-soft);
  box-shadow: var(--shadow);
}

.prose h1,
.prose h2,
.prose h3 {
  color: var(--ink);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.prose h1:first-child,
.prose h2:first-child {
  margin-top: 0;
}

.prose h2 {
  font-size: 1.35rem;
  border-left: 4px solid var(--eco);
  padding-left: 0.75rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1rem 0;
  overflow-x: auto;
  display: block;
}

.prose table thead {
  background: var(--eco-muted);
}

.prose th,
.prose td {
  border: 1px solid var(--eco-soft);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: middle;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.prose ul,
.prose ol {
  padding-left: 1.35rem;
}

.prose blockquote {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--eco);
  background: var(--eco-muted);
  color: var(--ink-muted);
}

.prose hr {
  border: none;
  border-top: 1px solid var(--eco-soft);
  margin: 2rem 0;
}

.loading,
.error-box {
  padding: 2rem;
  text-align: center;
  color: var(--ink-muted);
}

.error-box {
  background: #fff5f5;
  border: 1px solid #f0c0c0;
  border-radius: var(--radius);
  color: #8b2e2e;
}

/* Таблица оборудования на странице equipment */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--eco-soft);
  background: var(--white);
  box-shadow: var(--shadow);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.data-table th {
  background: var(--eco);
  color: var(--on-eco);
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
}

.data-table td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--eco-soft);
}

.data-table tr:hover td {
  background: var(--eco-muted);
}

/* STL / превью из docs/img (изометрия) */
.stl-group {
  margin-bottom: 2rem;
}

.stl-group h2 {
  font-size: 1.2rem;
  color: var(--eco);
  margin-bottom: 0.75rem;
}

.stl-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.stl-list--grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.stl-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--eco-soft);
  box-shadow: var(--shadow);
}

.stl-item__thumb {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--eco-muted), var(--surface));
  border: 1px dashed rgba(0, 151, 70, 0.35);
  min-height: 140px;
}

.stl-item__thumb img {
  width: 100%;
  height: auto;
  max-height: 170px;
  display: block;
  margin: 0 auto;
  object-fit: contain;
  background: var(--surface);
}

.stl-item__thumb-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.85rem;
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.4;
}

.stl-item__thumb:has(img.stl-thumb-img) .stl-item__thumb-fallback {
  display: none;
}

.stl-item__body {
  flex: 1;
  font-size: 0.92rem;
  line-height: 1.45;
}

.stl-item__body strong {
  font-weight: 600;
  color: var(--ink);
}

.stl-item__dl {
  align-self: flex-start;
  margin-top: auto;
  text-decoration: none;
  font-size: 0.9rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: var(--eco-soft);
  color: var(--eco-hover);
}

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

.doc-list li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin-bottom: 0.75rem;
  padding: 1rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--eco-soft);
}

.doc-list a {
  font-weight: 600;
}

.notice {
  padding: 1rem 1.25rem;
  background: var(--eco-muted);
  border-radius: var(--radius);
  border-left: 4px solid var(--eco);
  margin: 1.5rem 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
}

.notice--with-icon {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.notice__ico {
  font-size: 1.65rem;
  line-height: 1;
  flex-shrink: 0;
}

.notice__body {
  flex: 1;
  min-width: 0;
}

/* Фото с процесса сборки (files/img/Процесс сборки станка/) */
.page-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--eco-soft);
  box-shadow: var(--shadow);
  background: var(--white);
}

.page-figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 320px;
  object-position: center;
}

.page-figure--hero img {
  max-height: 280px;
}

.page-figure--banner img {
  max-height: 500px;
  object-position: top 100%;
}

.page-figure figcaption {
  padding: 0.65rem 1rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  background: linear-gradient(180deg, var(--eco-muted), var(--surface));
  border-top: 1px solid var(--eco-soft);
}

.visual-row {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0;
}

@media (min-width: 700px) {
  .visual-row--2 {
    grid-template-columns: 1fr 1fr;
  }

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

.visual-split {
  display: grid;
  gap: 1.5rem;
  align-items: center;
  margin-top: 1.25rem;
}

@media (min-width: 800px) {
  .visual-split {
    grid-template-columns: 1fr 1fr;
  }
}

.visual-split .page-figure img {
  max-height: 260px;
}

.intro-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.intro-badges li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--eco-hover);
  background: var(--eco-soft);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.intro-badges .ib-ico {
  font-size: 1.1rem;
  line-height: 1;
}

.doc-list__ico {
  font-size: 1.35rem;
  line-height: 1.3;
  flex-shrink: 0;
  width: 2rem;
  text-align: center;
}

.doc-list__body {
  flex: 1;
  min-width: 0;
}

.doc-page__grid {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

@media (min-width: 900px) {
  .doc-page__grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
  }
}

.doc-page__aside {
  position: sticky;
  top: 5.5rem;
}

.doc-page__aside .page-figure img {
  max-height: 220px;
}

.aside-hint {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  background: var(--white);
  border-radius: var(--radius);
  border: 1px dashed var(--eco-soft);
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.aside-hint__ico {
  font-size: 1.25rem;
  line-height: 1;
}

.models-story {
  margin: 1.5rem 0 2rem;
}

.models-story .page-figure img {
  max-height: 240px;
}

/* Уточнения тёмной темы (#1e2337 + зелёные акценты) */
html[data-theme="dark"] .site-header {
  background: rgba(30, 35, 55, 0.94);
  border-bottom-color: var(--eco-soft);
  box-shadow: 0 1px 0 rgba(0, 179, 89, 0.12);
}

html[data-theme="dark"] body::before {
  opacity: 0.5;
  background:
    radial-gradient(
      ellipse 100% 75% at 95% 5%,
      rgba(0, 179, 89, 0.16),
      transparent 52%
    ),
    radial-gradient(
      ellipse 70% 55% at 5% 95%,
      rgba(0, 120, 70, 0.12),
      transparent 48%
    );
}

html[data-theme="dark"] .img-placeholder {
  border-color: rgba(0, 179, 89, 0.32);
  background: linear-gradient(150deg, var(--eco-muted), var(--surface));
  color: var(--ink-muted);
}

html[data-theme="dark"] .error-box {
  background: rgba(200, 80, 80, 0.12);
  border-color: rgba(255, 140, 140, 0.28);
  color: #f5b0b0;
}

html[data-theme="dark"] .card:hover {
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.4);
}

html[data-theme="dark"] .logo__mark {
  box-shadow: 0 4px 22px rgba(0, 179, 89, 0.32);
}