/* ===== ШРИФТЫ ===== */
@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ===== ДИЗАЙН-СИСТЕМА ===== */
:root {
  --bg-primary:    #0f172a;
  --bg-secondary:  #1e293b;
  --bg-tertiary:   #334155;
  --bg-elevated:   #1e293b;

  --text-primary:   #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted:     #94a3b8;
  --text-dim:       #64748b;

  --accent:       #38bdf8;
  --accent-hover: #0ea5e9;
  --accent-glow:  rgba(56, 189, 248, 0.15);
  --accent-soft:  rgba(56, 189, 248, 0.08);

  --success: #34d399;
  --warning: #fbbf24;

  --border:        rgba(148, 163, 184, 0.1);
  --border-strong: rgba(148, 163, 184, 0.2);
  --border-accent: rgba(56, 189, 248, 0.3);

  --shadow-sm:   0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md:   0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg:   0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 24px rgba(56, 189, 248, 0.12);

  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-xl:   20px;
  --radius-full: 9999px;

  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-6:  24px;
  --space-8:  32px;
  --space-12: 48px;
  --space-16: 64px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  --text-xs:   12px;
  --text-sm:   14px;
  --text-base: 16px;
  --text-lg:   18px;
  --text-xl:   20px;
  --text-2xl:  24px;
  --text-3xl:  32px;
  --text-4xl:  48px;
}

/* ===== СБРОС И БАЗА ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* display:flex и др. могут перекрыть HTML-атрибут hidden — фиксим */
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.icon {
  width: 16px;
  height: 16px;
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
}

/* ===== ХЕДЕР ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-base), border-color var(--transition-base), backdrop-filter var(--transition-base);
}

.site-header.scrolled {
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 1px;
}

.logo-dot {
  color: var(--accent);
}

.logo-online {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--success);
  margin-left: var(--space-2);
  box-shadow: 0 0 6px var(--success);
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.header-link {
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--transition-fast);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
}

.header-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: var(--space-16) 0 var(--space-12);
  overflow: hidden;
  background-image: radial-gradient(
    circle at 1px 1px,
    rgba(148, 163, 184, 0.06) 1px,
    transparent 0
  );
  background-size: 28px 28px;
}

.hero-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(56, 189, 248, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background-color: var(--accent-soft);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  padding: 5px var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  max-width: 720px;
}

.hero-subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-lg));
  color: var(--text-muted);
  margin-bottom: var(--space-8);
  max-width: 540px;
}

/* ===== ПОИСК ===== */
.search-wrapper {
  position: relative;
  max-width: 640px;
  margin-bottom: var(--space-3);
}

.search-icon-wrap {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
}

.search-icon-wrap .icon {
  width: 20px;
  height: 20px;
}

.search-input {
  width: 100%;
  height: 56px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 0 var(--space-12) 0 52px;
  font-family: inherit;
  font-size: var(--text-base);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
}

.search-input::placeholder {
  color: var(--text-dim);
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

/* Скрыть системный крест в Chrome/Safari */
.search-input::-webkit-search-cancel-button {
  display: none;
}

.search-clear {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
  opacity: 0;
  transform: translateY(-50%) scale(0.8);
  pointer-events: none;
}

.search-clear.visible {
  opacity: 1;
  transform: translateY(-50%) scale(1);
  pointer-events: auto;
}

.search-clear:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.search-hint {
  font-size: var(--text-sm);
  color: var(--text-dim);
  padding-left: 4px;
}

/* ===== КАТЕГОРИИ ===== */
.categories-section {
  padding: var(--space-6) 0 var(--space-8);
}

.categories-scroll {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 4px;
}

.categories-scroll::-webkit-scrollbar {
  display: none;
}

.category-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 7px var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  white-space: nowrap;
  scroll-snap-align: start;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  min-height: 44px;
}

.category-chip:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
  border-color: var(--border-strong);
}

.category-chip.active {
  color: var(--accent);
  background-color: var(--accent-soft);
  border-color: var(--border-accent);
}

.category-chip .icon {
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.category-chip.active .icon {
  color: var(--accent);
}

.category-chip:hover .icon {
  color: var(--text-primary);
}

/* ===== КАТАЛОГ И КАРТОЧКИ ===== */
.catalog-section {
  padding-bottom: var(--space-16);
}

.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

/* ===== SKELETON ===== */
.skeleton-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  animation: skeleton-pulse 1.8s ease-in-out infinite;
}

.skeleton-line {
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  height: 12px;
  margin-bottom: var(--space-3);
}

.skeleton-line.short  { width: 35%; }
.skeleton-line.medium { width: 60%; }
.skeleton-line.long   { width: 90%; }
.skeleton-line.full   { width: 100%; }
.skeleton-line.title  { height: 20px; width: 70%; margin-bottom: var(--space-4); }
.skeleton-line.gap    { margin-top: var(--space-4); }

@keyframes skeleton-pulse {
  0%, 100% { opacity: 0.8; }
  50%       { opacity: 0.4; }
}

/* ===== КАРТОЧКА ===== */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.card--clickable {
  cursor: pointer;
}

.card--clickable:hover {
  transform: translateY(-2px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card--featured {
  border-color: transparent;
  background:
    linear-gradient(var(--bg-secondary), var(--bg-secondary)) padding-box,
    linear-gradient(135deg, rgba(56, 189, 248, 0.4), rgba(56, 189, 248, 0.05) 60%, transparent) border-box;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.card-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.card-featured-mark {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--accent);
}

.card-featured-mark .icon {
  width: 13px;
  height: 13px;
  color: var(--accent);
}

.card-name {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: var(--space-3);
}

.card-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.card-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-4) 0;
}

.card-contacts {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.card-phone,
.card-address {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.card-phone {
  transition: color var(--transition-fast);
}

.card-phone:hover {
  color: var(--accent);
}

.card-phone .icon,
.card-address .icon {
  width: 14px;
  height: 14px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.card-footer {
  margin-top: auto;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--accent);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.btn-link:hover {
  color: var(--accent-hover);
  gap: var(--space-3);
}

.btn-link .icon {
  width: 14px;
  height: 14px;
}

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--text-muted);
}

.empty-state .icon-large {
  width: 48px;
  height: 48px;
  color: var(--text-dim);
  margin: 0 auto var(--space-4);
  display: block;
}

.empty-state h2 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.empty-state a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== CTA «ДОБАВИТЬ КОМПАНИЮ» ===== */
.add-cta-section {
  padding: 0 0 var(--space-8);
}

.add-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  flex-wrap: wrap;
}

.add-cta-text {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.add-cta-icon {
  width: 16px;
  height: 16px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.add-cta-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--accent);
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.add-cta-link:hover {
  color: var(--accent-hover);
}

.add-cta-link .icon {
  width: 14px;
  height: 14px;
}

/* ===== ФУТЕР ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-size: var(--text-sm);
  color: var(--text-dim);
}

.footer-admin {
  font-size: var(--text-xs);
  color: var(--text-dim);
  opacity: 0.4;
  transition: opacity var(--transition-fast);
}

.footer-admin:hover {
  opacity: 1;
  color: var(--text-muted);
}

/* ===== АНИМАЦИИ ПОЯВЛЕНИЯ ===== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadein {
  animation: fadeUp var(--transition-slow) both;
}

/* stagger через CSS custom property --delay */
.stagger { animation-delay: var(--delay, 0ms); }

/* IntersectionObserver: карточки до появления в viewport */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (min-width: 640px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-8);
  }

  .hero {
    padding: calc(var(--space-16) * 1.25) 0 var(--space-16);
  }
}

@media (min-width: 1024px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .search-input {
    height: 60px;
    font-size: var(--text-lg);
    padding-left: 56px;
  }

  .search-icon-wrap .icon {
    width: 22px;
    height: 22px;
  }
}

@media (min-width: 1440px) {
  .container {
    padding: 0 var(--space-12);
  }
}

/* ===== УВАЖЕНИЕ К НАСТРОЙКАМ ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ===== ФОКУС (ДОСТУПНОСТЬ) ===== */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ===== ADMIN STYLES ===== */
.admin-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-header {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-secondary);
}

.admin-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-badge {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--warning);
  background-color: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.25);
  border-radius: var(--radius-full);
  padding: 3px var(--space-3);
}

.admin-main {
  flex: 1;
  padding: var(--space-8) 0;
}

.admin-grid {
  display: grid;
  gap: var(--space-8);
}

.admin-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.admin-card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.form-group {
  margin-bottom: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 10px var(--space-3);
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-textarea {
  min-height: 80px;
  resize: vertical;
  line-height: 1.5;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-dim);
}

.form-check-group {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px var(--space-4);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  min-height: 44px;
}

.btn-primary {
  background-color: var(--accent);
  color: #0f172a;
}

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

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--bg-elevated);
  border-color: var(--border-accent);
}

.btn-danger {
  background-color: transparent;
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.2);
}

.btn-danger:hover {
  background-color: rgba(248, 113, 113, 0.08);
  border-color: rgba(248, 113, 113, 0.4);
}

.btn-sm {
  padding: 6px var(--space-3);
  font-size: var(--text-xs);
  min-height: 32px;
}

.company-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.company-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
}

.company-list-info {
  flex: 1;
  min-width: 0;
}

.company-list-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.company-list-meta {
  font-size: var(--text-xs);
  color: var(--text-dim);
  margin-top: 2px;
}

.company-list-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}

.alert-success {
  background-color: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--success);
}

.alert-error {
  background-color: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.25);
  color: #f87171;
}

@media (min-width: 768px) {
  .admin-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .admin-grid .admin-card:first-child {
    grid-column: 1 / -1;
  }
}