/* ============================================
   Design System — moreman.su
   Общий CSS для ключевых компонентов страницы
   ============================================

   Инлайн на конкретных страницах:
   - Hero-секция (.lp-hero, .hero-*)
   - Article body grid (.article-body, .article-main, .article-aside)
   - TOC sidebar (.article-toc-*)
   - Article content typography (.article-content h2/h3/p/a/img/blockquote/list/code/pre/table)
   - Article hero image (.article-hero-img)
   - Article meta (.article-meta, .article-date, .article-author-*)
   - Article intro (.article-intro)
   - Card grid layout (display: grid на родителе)
   - Специфичные для страницы стили (form, gallery, specs и т.д.)
*/



/* ── Fonts ────────────────────────────────── */

@font-face {
  font-family: 'Inter';
  src: url('/templates/fonts/inter-var.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/templates/fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/templates/fonts/JetBrainsMono-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/templates/fonts/JetBrainsMono-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/templates/fonts/JetBrainsMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}



/* ── Variables ────────────────────────────── */

:root {
  --neutral-50:  #F8FAFC;
  --neutral-100: #F1F5F9;
  --neutral-200: #E2E8F0;
  --neutral-300: #CBD5E1;
  --neutral-400: #94A3B8;
  --neutral-500: #64748B;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1E293B;
  --neutral-900: #0F172A;
  --neutral-950: #020617;

  --sp-xs:  4px;
  --sp-sm:  8px;
  --sp-md:  16px;
  --sp-lg:  24px;
  --sp-xl:  32px;
  --sp-2xl: 48px;
  --sp-3xl: 64px;
  --sp-4xl: 96px;
  --sp-5xl: 128px;

  --r-element:   4px;
  --r-control:   6px;
  --r-component: 8px;
  --r-container: 12px;
  --r-pill:      999px;

  --font-display: 'JetBrains Mono', ui-monospace, monospace;
  --font-sans: 'Inter', -apple-system, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --bg:            var(--neutral-50);
  --surface1:      var(--neutral-100);
  --surface2:      var(--neutral-200);
  --surface3:      var(--neutral-300);
  --border:        var(--neutral-200);
  --border-vis:    var(--neutral-300);
  --text1:         var(--neutral-900);
  --text2:         var(--neutral-500);
  --text3:         var(--neutral-400);
  --text4:         var(--neutral-300);
  --accent:        #1A8A9C;
  --accent-hover:  #147585;
  --accent-subtle: #E0F5F8;
}

[data-theme="dark"] {
  --bg:            var(--neutral-900);
  --surface1:      var(--neutral-800);
  --surface2:      var(--neutral-700);
  --surface3:      var(--neutral-600);
  --border:        var(--neutral-700);
  --border-vis:    var(--neutral-600);
  --text1:         var(--neutral-50);
  --text2:         var(--neutral-300);
  --text3:         var(--neutral-400);
  --text4:         var(--neutral-500);
  --accent:        #34BDD3;
  --accent-hover:  #5CCCE2;
  --accent-subtle: #0D3A40;
}



/* ── Base ─────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text1);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 300ms ease, color 300ms ease;
}

a { color: inherit; text-decoration: none; }
p { margin: 0; }
img { max-width: 100%; height: auto; }

a, button { cursor: pointer; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}



/* ── Buttons ──────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; gap: var(--sp-sm);
  padding: 9px 16px;
  border-radius: var(--r-control);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 200ms ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--neutral-900);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text2);
  border-color: var(--border-vis);
}
.btn-ghost:hover {
  color: var(--text1);
  border-color: var(--text3);
}



/* ── Header ───────────────────────────────── */

.lp-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px) saturate(130%);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  border-bottom: 1px solid var(--border);
}

.lp-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.lp-brand {
  display: inline-flex; align-items: center;
}

.lp-brand-img {
  height: 40px;
  width: auto;
}

.lp-nav { display: flex; gap: var(--sp-xl); }

.lp-nav-list {
  display: flex;
  gap: var(--sp-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.lp-nav-item a {
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 400;
  transition: color 200ms ease;
}
.lp-nav-item a:hover { color: var(--text1); }

.lp-nav-item--parent {
  position: relative;
}

.lp-nav-item--parent > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lp-chevron {
  transition: transform 200ms ease;
}

.lp-nav-item--parent:hover .lp-chevron {
  transform: rotate(180deg);
}

.lp-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  padding: 6px 0;
  background: var(--surface1);
  border: 1px solid var(--border);
  border-radius: var(--r-component);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 200ms ease, transform 200ms ease, visibility 200ms ease;
}

.lp-nav-item--parent:hover .lp-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lp-dropdown-item {
  display: block;
  padding: 8px 14px;
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 12px;
  transition: all 150ms ease;
}
.lp-dropdown-item:hover {
  color: var(--text1);
}



/* ── Theme Bar ────────────────────────────── */

.theme-bar {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: color-mix(in srgb, var(--surface1) 90%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border: 1px solid var(--border-vis);
  border-radius: var(--r-pill);
}

.theme-bar button {
  display: flex; align-items: center; justify-content: center;
  padding: 6px 10px;
  border: none;
  background: transparent;
  color: var(--text3);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all 200ms ease;
}
.theme-bar button:hover { color: var(--text1); }
.theme-bar button.active {
  background: var(--surface3);
  color: var(--text1);
}



/* ── Burger ───────────────────────────────── */

.lp-burger {
  display: none;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: none;
  background: transparent;
  color: var(--text2);
  cursor: pointer;
  border-radius: var(--r-control);
  transition: color 200ms ease;
}
.lp-burger:hover { color: var(--text1); }



/* ── Mobile Menu ──────────────────────────── */

.lp-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease, visibility 300ms ease;
  z-index: 300;
}
.lp-overlay.open { opacity: 1; visibility: visible; }

.lp-mobile-menu {
  position: fixed;
  top: 0; right: 0;
  width: 280px;
  height: 100%;
  background: var(--bg);
  border-left: 1px solid var(--border);
  z-index: 400;
  transform: translateX(100%);
  transition: transform 300ms ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.lp-mobile-menu.open { transform: translateX(0); }

.lp-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-md) var(--sp-lg);
  border-bottom: 1px solid var(--border);
}

.lp-mobile-close {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: none;
  background: transparent;
  color: var(--text2);
  cursor: pointer;
  border-radius: var(--r-control);
}

.lp-mobile-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--sp-md) var(--sp-lg);
  border-top: 1px solid var(--border);
}

.lp-mobile-search-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border-vis);
  border-radius: var(--r-control);
  background: var(--surface1);
  color: var(--text1);
  font-family: var(--font-mono);
  font-size: 13px;
  outline: none;
  transition: border-color 200ms ease;
}
.lp-mobile-search-input:focus { border-color: var(--accent); }
.lp-mobile-search-input::placeholder { color: var(--text3); }

.lp-mobile-search-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--border-vis);
  background: transparent;
  color: var(--text2);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all 200ms ease;
  flex-shrink: 0;
}
.lp-mobile-search-btn:hover { color: var(--text1); border-color: var(--text3); }

.lp-mobile-nav {
  padding: var(--sp-md) 0;
  flex: 1;
}

.lp-mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.lp-mobile-nav-item a {
  display: block;
  padding: 10px var(--sp-lg);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 13px;
  transition: all 150ms ease;
}
.lp-mobile-nav-item a:hover {
  color: var(--text1);
  background: var(--surface1);
}

.lp-mobile-parent { border-bottom: 1px solid var(--border); }

.lp-mobile-parent-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 10px var(--sp-lg);
  border: none;
  background: transparent;
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: all 150ms ease;
}
.lp-mobile-parent-toggle:hover { color: var(--text1); background: var(--surface1); }
.lp-mobile-parent-toggle .lp-chevron { transition: transform 200ms ease; }
.lp-mobile-parent.open .lp-mobile-parent-toggle .lp-chevron { transform: rotate(180deg); }

.lp-mobile-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 250ms ease;
  background: var(--surface1);
}
.lp-mobile-parent.open .lp-mobile-submenu {
  max-height: 500px;
}

.lp-mobile-submenu a {
  display: block;
  padding: 10px var(--sp-lg) 10px 40px;
  color: var(--text3);
  font-family: var(--font-mono);
  font-size: 12px;
  transition: all 150ms ease;
}
.lp-mobile-submenu a:hover { color: var(--text1); }

.lp-mobile-footer {
  padding: var(--sp-md) var(--sp-lg);
  border-top: 1px solid var(--border);
}
.lp-mobile-footer .theme-bar { width: fit-content; }



/* ── Search (header) ──────────────────────── */

.lp-search {
  display: flex;
  align-items: center;
  position: relative;
  flex-shrink: 0;
}

.lp-search-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  margin-left: 8px;
  border: 1px solid var(--border-vis);
  background: transparent;
  color: var(--text2);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all 200ms ease;
  flex-shrink: 0;
}
.lp-search-toggle:hover { color: var(--text1); border-color: var(--text3); }

.lp-search-input {
  width: 0;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text1);
  font-family: var(--font-mono);
  font-size: 12px;
  outline: none;
  transition: width 300ms ease, padding 300ms ease;
  overflow: hidden;
  white-space: nowrap;
}

.lp-search.open .lp-search-input {
  width: 200px;
  padding: 8px 12px;
  border: 1px solid var(--border-vis);
  border-radius: var(--r-control);
  background: var(--surface1);
}
.lp-search-input::placeholder { color: var(--text3); }



/* ── Breadcrumbs ──────────────────────────── */

.article-breadcrumbs {
  padding: var(--sp-md) 0;
  border-bottom: 1px solid var(--border);
}
.article-breadcrumbs .container {
  max-width: 780px;
}

.article-bc-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
}

.article-bc-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-bc-link {
  color: var(--text3);
  text-decoration: none;
  transition: color 200ms ease;
}
.article-bc-link:hover { color: var(--text1); }

.article-bc-sep { color: var(--text4); }

.article-bc-current { color: var(--text2); }

.article-bc-home {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-bc-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface2);
  color: var(--text2);
  transition: all 200ms ease;
}

.article-bc-home:hover .article-bc-icon {
  background: var(--accent);
  color: #fff;
}



/* ── Card ─────────────────────────────────── */

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface1);
  border: 1px solid var(--border);
  border-radius: var(--r-component);
  overflow: hidden;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}
.card:hover {
  border-color: var(--border-vis);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-img {
  position: relative;
  overflow: hidden;
  height: 200px;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: var(--sp-md);
}

.card-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--text1);
  margin: 0 0 var(--sp-sm);
}
.card-title a {
  color: inherit;
  text-decoration: none;
}
.card-title a:hover {
  color: var(--accent);
}

.card-text {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.5;
  margin: 0;
}



/* ── Footer ───────────────────────────────── */

.lp-footer {
  border-top: 1px solid var(--border);
  padding: var(--sp-3xl) 0 var(--sp-xl);
}

.lp-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--sp-xl);
}

.footer-logo {
  height: 32px;
  width: auto;
}

.footer-tag {
  font-size: 12px;
  color: var(--text3);
  max-width: 280px;
  margin-top: 6px;
}

.footer-nav {
  display: flex;
  gap: var(--sp-2xl);
}

.footer-nav a {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text2);
}
.footer-nav a:hover { color: var(--text1); }

.footer-social {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

.footer-social a {
  color: var(--text3);
  transition: color 200ms ease;
}
.footer-social a:hover { color: var(--text1); }

.footer-bottom {
  max-width: 1160px;
  margin: var(--sp-xl) auto 0;
  padding: var(--sp-md) var(--sp-lg) 0;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px; color: var(--text4);
}



/* ── Responsive ───────────────────────────── */

@media (max-width: 768px) {
  .lp-nav { display: none; }
  .lp-burger { display: flex; }
  .lp-search { display: none; }
}

@media (max-width: 640px) {
  .lp-footer {
    padding: var(--sp-2xl) 0 var(--sp-lg);
  }
  .lp-footer .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--sp-lg);
  }
  .footer-logo { height: 28px; }
  .footer-tag { max-width: 200px; }
  .footer-nav { gap: var(--sp-lg); }
  .footer-nav a { font-size: 13px; }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    gap: var(--sp-xs);
    padding: var(--sp-md) var(--sp-lg) 0;
  }
}



/* ── Grid (index, category, plans) ───────── */

.index-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--sp-md);
}
@media (min-width: 640px) { .index-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .index-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 960px) { .index-grid { grid-template-columns: repeat(4, 1fr); } }



/* ── Contact Form ─────────────────────────── */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}

.form-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text2);
}

.form-input {
  padding: 10px 14px;
  border: 1px solid var(--border-vis);
  border-radius: var(--r-control);
  background: var(--surface1);
  color: var(--text1);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color 200ms ease;
}
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text3); }

textarea.form-input {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  font-size: 12px;
  color: #DC2626;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding-top: var(--sp-sm);
}

.form-success {
  padding: var(--sp-md);
  background: #DCFCE7;
  color: #166534;
  border-radius: var(--r-control);
  font-size: 14px;
}

.form-error-message {
  padding: var(--sp-md);
  background: #FEE2E2;
  color: #991B1B;
  border-radius: var(--r-control);
  font-size: 14px;
}



/* ── Article Content Typography ───────────── */

.article-content {
  color: var(--text2);
  font-size: 16px;
  line-height: 1.7;
}
.article-content h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text1);
  margin: var(--sp-2xl) 0 var(--sp-lg);
}
.article-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--text1);
  margin: var(--sp-xl) 0 var(--sp-md);
}
.article-content p {
  margin-bottom: var(--sp-lg);
}
.article-content a {
  color: var(--accent);
  text-decoration: underline;
  font-weight: 500;
}
.article-content a:hover {
  color: var(--accent-hover);
}
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-component);
  border: 1px solid var(--border);
  margin: var(--sp-lg) 0;
}
.article-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--sp-lg);
  margin: var(--sp-xl) 0;
  color: var(--text3);
  font-style: italic;
}
.article-content ul, .article-content ol {
  margin: var(--sp-md) 0 var(--sp-lg);
  padding-left: var(--sp-xl);
}
.article-content li {
  margin-bottom: var(--sp-sm);
}
.article-content code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--surface1);
  padding: 2px 6px;
  border-radius: var(--r-element);
  border: 1px solid var(--border);
}
.article-content pre {
  background: var(--surface1);
  border: 1px solid var(--border);
  border-radius: var(--r-component);
  padding: var(--sp-md);
  overflow-x: auto;
  margin: var(--sp-lg) 0;
}
.article-content pre code {
  background: none;
  border: none;
  padding: 0;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--sp-lg) 0;
  font-size: 14px;
}
.article-content thead {
  background: var(--accent);
}
.article-content thead th {
  padding: 10px 14px;
  color: var(--neutral-900);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  text-align: left;
  border-bottom: 2px solid var(--accent);
}
.article-content tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 150ms ease;
}
.article-content tbody tr:hover {
  background: var(--surface1);
}
.article-content tbody td {
  padding: 10px 14px;
  color: var(--text2);
}