/* ==========================================================================
   Сумське товариство захисту тварин (animal-home.sumy.ua)
   Modern Adaptive & Dynamic Landing Page Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Variables & Theme Settings
   -------------------------------------------------------------------------- */
:root {
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  
  /* Primary & Brand Colors */
  --primary: #2a9d8f;
  --primary-hover: #21867a;
  --primary-light: #e8f7f5;
  --primary-glow: rgba(42, 157, 143, 0.25);
  
  --secondary: #e76f51;
  --secondary-hover: #d65a3c;
  --secondary-light: #fdf0ec;
  
  --accent: #f4a261;
  --accent-hover: #e78f49;
  
  --success: #38b000;
  --warning: #ffb703;
  --danger: #e63946;
  --info: #457b9d;

  /* Neutrals - Light Theme */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-glass: rgba(255, 255, 255, 0.85);
  --bg-subtle: #f1f5f9;
  
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  
  --border-color: #e2e8f0;
  --border-focus: #2a9d8f;
  
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(42, 157, 143, 0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max-width: 1240px;
  --header-height: 80px;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-body: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface-elevated: #283548;
  --bg-surface-glass: rgba(30, 41, 59, 0.85);
  --bg-subtle: #182234;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;
  
  --border-color: #334155;
  --border-focus: #2a9d8f;
  
  --primary-light: rgba(42, 157, 143, 0.18);
  --secondary-light: rgba(231, 111, 81, 0.18);
  
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   2. Reset & Global Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

::selection {
  background-color: var(--primary);
  color: #ffffff;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-subtle);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   3. Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  text-align: center;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #1e796e 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #32b5a5 0%, var(--primary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
  color: #ffffff;
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary) 0%, #c84e31 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(231, 111, 81, 0.3);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #f07b5e 0%, var(--secondary) 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(231, 111, 81, 0.4);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.125rem;
}

.btn-icon-only {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   4. Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  height: 70px;
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-img-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 4px;
  box-shadow: var(--shadow-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform var(--transition-fast);
}

.logo-brand:hover .logo-img-wrap {
  transform: scale(1.05) rotate(-3deg);
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.logo-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.5rem 0.2rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-base);
  border-radius: 2px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.theme-toggle-btn {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
  border: 1px solid var(--border-color);
}

.theme-toggle-btn:hover {
  color: var(--primary);
  background: var(--primary-light);
  transform: rotate(20deg);
}

.burger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 9px;
  cursor: pointer;
  z-index: 1100;
}

.burger-line {
  width: 100%;
  height: 2.5px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.burger-btn.active .burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn.active .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn.active .burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.nav-mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 82%;
  max-width: 360px;
  height: 100vh;
  background: var(--bg-surface);
  box-shadow: var(--shadow-lg);
  z-index: 1050;
  padding: 6rem 2rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-slow);
  overflow-y: auto;
}

.nav-mobile-drawer.open {
  right: 0;
}

.nav-mobile-links {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.nav-mobile-link {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-mobile-link:hover {
  color: var(--primary);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.nav-backdrop.show {
  opacity: 1;
  visibility: visible;
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + 3.5rem);
  padding-bottom: 5.5rem;
  overflow: hidden;
}

.hero-bg-accent {
  position: absolute;
  top: -150px;
  right: -100px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-glow) 0%, rgba(42, 157, 143, 0) 70%);
  filter: blur(60px);
  z-index: -1;
  pointer-events: none;
}

.hero-bg-accent-2 {
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231, 111, 81, 0.15) 0%, rgba(231, 111, 81, 0) 70%);
  filter: blur(60px);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-emergency-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  background: var(--secondary-light);
  color: var(--secondary);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(231, 111, 81, 0.25);
  animation: pulse-border 2.5s infinite;
}

@keyframes pulse-border {
  0% { box-shadow: 0 0 0 0 rgba(231, 111, 81, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(231, 111, 81, 0); }
  100% { box-shadow: 0 0 0 0 rgba(231, 111, 81, 0); }
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.18;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 0;
  width: 100%;
  height: 12px;
  background: var(--primary-light);
  z-index: -1;
  border-radius: 4px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.25rem;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.75rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  width: 100%;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  display: flex;
  align-items: center;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.hero-visual {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--bg-surface);
  background: var(--bg-surface);
}

.hero-image-card img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-image-card:hover img {
  transform: scale(1.04);
}

.hero-floating-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  background: var(--bg-surface-glass);
  backdrop-filter: blur(12px);
  padding: 1rem 1.4rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  max-width: 280px;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.floating-badge-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--secondary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.floating-badge-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.floating-badge-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   6. About Section (Хто ми такі & Цінності)
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-images-mosaic {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.mosaic-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 3px solid var(--bg-surface);
}

.mosaic-img-wrap img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.mosaic-img-wrap:hover img {
  transform: scale(1.06);
}

.mosaic-img-wrap:nth-child(2) {
  margin-top: 2rem;
}

.about-quote-box {
  background: linear-gradient(135deg, var(--primary-light) 0%, rgba(42, 157, 143, 0.05) 100%);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.5rem 1.8rem;
  margin: 1.8rem 0;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.about-quote-box strong {
  font-style: normal;
  color: var(--primary);
  display: block;
  margin-top: 0.5rem;
  font-weight: 700;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.value-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all var(--transition-fast);
}

.value-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.value-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.value-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.value-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   7. Activities / Напрямки діяльності
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2.2rem 1.8rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(42, 157, 143, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  transition: transform var(--transition-fast);
}

.service-card:hover .service-icon-wrap {
  transform: scale(1.1) rotate(5deg);
}

.service-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.service-list-item {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-list-item::before {
  content: '✓';
  color: var(--primary);
  font-weight: 800;
}

/* --------------------------------------------------------------------------
   8. Shelter & Walk with Dogs Feature Banner (Приходьте гуляти!)
   -------------------------------------------------------------------------- */
.shelter-banner {
  background: linear-gradient(135deg, #1e3a34 0%, #0f201d 100%);
  border-radius: var(--radius-xl);
  color: #ffffff;
  padding: 3.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.shelter-banner-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.shelter-banner-content h3 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 1.2rem;
  color: #ffffff;
}

.shelter-banner-content p {
  font-size: 1.05rem;
  color: #e2e8f0;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.walk-rules-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.walk-rule {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.walk-rule-icon {
  font-size: 1.25rem;
}

.shelter-banner-visual {
  position: relative;
}

.shelter-img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
}

.shelter-img-frame img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   9. Adoption Catalog & Gallery (Їм потрібен дім)
   -------------------------------------------------------------------------- */
.gallery-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 700;
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.pets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.pet-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.pet-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.pet-img-wrap {
  position: relative;
  height: 240px;
  overflow: hidden;
  background: var(--bg-subtle);
}

.pet-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.pet-card:hover .pet-img-wrap img {
  transform: scale(1.08);
}

.pet-status-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0, 0, 0, 0.65);
  color: #ffffff;
  backdrop-filter: blur(6px);
}

.pet-status-urgent {
  background: var(--secondary);
}

.pet-status-found {
  background: var(--info);
}

.pet-status-lost {
  background: var(--warning);
  color: #1e293b;
}

.pet-info-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.pet-name-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.pet-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.pet-gender-badge {
  font-size: 1.1rem;
}

.pet-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.pet-tag {
  padding: 0.25rem 0.6rem;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.pet-short-story {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.pet-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

/* --------------------------------------------------------------------------
   10. Donate & Support Section (Як допомогти)
   -------------------------------------------------------------------------- */
.donate-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.donate-calculator-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.donate-calculator-card h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.donate-calculator-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.8rem;
}

.donation-amounts-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.amount-btn {
  padding: 0.85rem 0.5rem;
  background: var(--bg-subtle);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  text-align: center;
}

.amount-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.amount-btn.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.custom-amount-wrapper {
  position: relative;
  margin-bottom: 1.5rem;
}

.custom-amount-input {
  width: 100%;
  padding: 0.9rem 1.25rem 0.9rem 2.8rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 1.15rem;
  font-weight: 700;
  outline: none;
  transition: border-color var(--transition-fast);
}

.custom-amount-input:focus {
  border-color: var(--primary);
}

.currency-symbol {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--primary);
}

.donation-impact-hint {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.25rem;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  margin-bottom: 1.8rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
}

.impact-hint-icon {
  font-size: 1.5rem;
  color: var(--primary);
  flex-shrink: 0;
}

/* Bank Requisites Box */
.requisites-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.requisite-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  transition: all var(--transition-fast);
}

.requisite-card:hover {
  border-color: var(--primary);
}

.requisite-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.requisite-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.requisite-value-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--bg-subtle);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-color);
}

.requisite-value {
  font-family: monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-all;
}

.copy-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.copy-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

/* Material Wishlist */
.wishlist-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.wishlist-column {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.8rem;
}

.wishlist-title {
  font-size: 1.15rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.wishlist-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.wishlist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.wishlist-item::before {
  content: '🐾';
  font-size: 0.85rem;
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   11. Education & Guides (Лікнеп для господарів)
   -------------------------------------------------------------------------- */
.accordion-wrapper {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.accordion-item:hover {
  border-color: var(--primary);
}

.accordion-item.open {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.accordion-trigger {
  width: 100%;
  padding: 1.4rem 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  background: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.accordion-trigger:hover {
  color: var(--primary);
}

.accordion-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: transform var(--transition-base), background-color var(--transition-fast);
  flex-shrink: 0;
}

.accordion-item.open .accordion-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #ffffff;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
  padding: 0 1.8rem;
}

.accordion-body {
  padding-bottom: 1.6rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.accordion-body ul {
  list-style: disc;
  padding-left: 1.4rem;
  margin: 0.75rem 0;
}

.accordion-body li {
  margin-bottom: 0.4rem;
}

/* --------------------------------------------------------------------------
   12. Veterinary & Friends Section
   -------------------------------------------------------------------------- */
.friends-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.friend-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 1.4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all var(--transition-fast);
}

.friend-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.friend-logo {
  font-size: 2.2rem;
  margin-bottom: 0.85rem;
}

.friend-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.friend-card p {
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   13. Contact & Action Form Section
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.contact-info-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.contact-info-card h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.contact-info-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.25rem;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.contact-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.contact-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.contact-value a:hover {
  color: var(--primary);
}

/* Contact Form */
.contact-form-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.4rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  background: var(--bg-body);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-surface);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

/* --------------------------------------------------------------------------
   14. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: #0b1320;
  color: #94a3b8;
  padding: 5rem 0 2rem;
  border-top: 1px solid #1e293b;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: #94a3b8;
  font-size: 0.925rem;
  line-height: 1.65;
  margin: 1.25rem 0 1.75rem;
}

.footer-social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #1e293b;
  color: #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--primary);
  color: #ffffff;
  transform: translateY(-3px);
}

.footer-heading {
  font-size: 1.1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-link {
  color: #94a3b8;
  font-size: 0.925rem;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid #1e293b;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   15. Modals & Toast Notifications
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  transform: scale(0.92) translateY(20px);
  transition: all var(--transition-base);
}

.modal-overlay.active .modal-card {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--danger);
  color: #ffffff;
}

.modal-body {
  padding: 2.5rem;
}

/* Toast */
.toast-notification {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #1e293b;
  color: #ffffff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 2100;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 600;
  font-size: 0.95rem;
  transform: translateY(120%);
  transition: transform var(--transition-base);
  border-left: 4px solid var(--primary);
}

.toast-notification.show {
  transform: translateY(0);
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-surface);
  color: var(--primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all var(--transition-base);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary);
  color: #ffffff;
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   16. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-visual {
    max-width: 550px;
    margin: 0 auto;
    width: 100%;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .donate-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }

  .friends-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .nav-desktop {
    display: none;
  }

  .burger-btn {
    display: flex;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .shelter-banner-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .shelter-banner {
    padding: 2.5rem 1.8rem;
  }

  .wishlist-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 580px) {
  .section {
    padding: 3.5rem 0;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .donation-amounts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .about-images-mosaic {
    grid-template-columns: 1fr;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .walk-rules-list {
    grid-template-columns: 1fr;
  }

  .friends-grid {
    grid-template-columns: 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}