/* ============================================================
   SALVANDO A INDIA - Estilos principales
   Versión: 1.0
   Diseño: Modern, warm, cat-themed
   ============================================================ */

/* ============================================================
   1. VARIABLES CSS (Design Tokens)
   ============================================================ */
:root {
  /* Colores principales */
  --color-primary: #f97316;        /* Naranja cálido */
  --color-primary-dark: #ea580c;
  --color-primary-light: #fdba74;
  --color-primary-xlight: #fff7ed;
  --color-secondary: #78716c;      /* Gris cálido */
  --color-accent: #fbbf24;         /* Amarillo dorado */

  /* Neutros */
  --color-white: #ffffff;
  --color-off-white: #fafaf9;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Texto */
  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #78716c;
  --text-light: #a8a29e;

  /* Fondos */
  --bg-primary: #ffffff;
  --bg-secondary: #fafaf9;
  --bg-alt: #fff7ed;

  /* Bordes */
  --border-light: #e7e5e4;
  --border-medium: #d6d3d1;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 10px 10px -5px rgba(0,0,0,0.03);
  --shadow-orange: 0 8px 25px rgba(249,115,22,0.3);

  /* Tipografía */
  --font-body: 'Outfit', system-ui, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
  --fs-4xl: 2.25rem;
  --fs-5xl: 3rem;

  /* Espaciado */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Bordes redondeados */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Header */
  --header-height: 72px;
}

/* Modo oscuro */
.dark-mode {
  --text-primary: #f5f5f4;
  --text-secondary: #d6d3d1;
  --text-muted: #a8a29e;
  --text-light: #78716c;
  --bg-primary: #1c1917;
  --bg-secondary: #231f1e;
  --bg-alt: #292524;
  --border-light: #3d3534;
  --border-medium: #44403c;
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.3);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--color-primary-dark);
}

ul {
  list-style: none;
}

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

input, select, textarea {
  font-family: inherit;
}

/* ============================================================
   3. UTILIDADES
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-4xl) 0;
}

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

/* ============================================================
   4. BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--fs-base);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}

.btn:hover::after {
  background: rgba(255,255,255,0.1);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--fs-lg);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--fs-sm);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Botón primario */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(249,115,22,0.4);
  color: var(--color-white);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Botón secundario */
.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-medium);
}

.btn-secondary:hover {
  background: var(--color-gray-200);
  color: var(--text-primary);
}

/* Botón outline blanco (hero) */
.btn-outline-white {
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.8);
  color: var(--color-white);
  backdrop-filter: blur(4px);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.25);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* Botón blanco (help card featured) */
.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
  font-weight: 700;
}

.btn-white:hover {
  background: var(--color-primary-xlight);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* Botón Teaming */
.btn-teaming {
  background: linear-gradient(135deg, #ffffff, #fff7ed);
  color: var(--color-primary-dark);
  font-weight: 700;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  position: relative;
}

.btn-teaming:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 40px rgba(0,0,0,0.3);
  color: var(--color-primary-dark);
}

.btn-teaming .btn-arrow {
  background: var(--color-primary);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: transform var(--transition-base);
}

.btn-teaming:hover .btn-arrow {
  transform: translateX(3px);
}

/* Botón PayPal */
.btn-paypal {
  background: #003087;
  color: #ffffff;
  width: 100%;
  justify-content: center;
  margin-top: 1rem;
}

.btn-paypal:hover {
  background: #001f5c;
  color: #ffffff;
  transform: translateY(-2px);
}

/* ============================================================
   5. SECCIÓN HEADERS
   ============================================================ */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--spacing-3xl);
}

.section-badge {
  display: inline-block;
  background: var(--color-primary-xlight);
  color: var(--color-primary-dark);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-primary-light);
}

.dark-mode .section-badge {
  background: rgba(249,115,22,0.15);
  border-color: rgba(249,115,22,0.3);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: var(--fs-lg);
  line-height: 1.7;
}

/* ============================================================
   6. TOP BANNER
   ============================================================ */
.top-banner {
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  text-align: center;
  padding: 0.6rem 3rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  position: relative;
  z-index: 1001;
}

.top-banner a {
  color: var(--color-white);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.top-banner-close {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: 1.25rem;
  line-height: 1;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
  padding: 0.25rem;
}

.top-banner-close:hover {
  opacity: 1;
}

/* ============================================================
   7. HEADER & NAVEGACIÓN
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.dark-mode .header {
  background: rgba(28,25,23,0.95);
}

.header.scrolled {
  box-shadow: var(--shadow-lg);
}

.navbar {
  display: flex;
  align-items: center;
  height: var(--header-height);
  gap: var(--spacing-xl);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.logo-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary-light);
}

.logo-text {
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--text-primary);
  white-space: nowrap;
}

.logo-highlight {
  color: var(--color-primary);
}

/* Links de navegación */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.nav-link {
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-left: auto;
}

/* Toggle modo oscuro */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  font-size: 1rem;
}

.theme-toggle:hover {
  background: var(--color-primary-xlight);
  color: var(--color-primary);
  border-color: var(--color-primary-light);
}

/* Hamburguesa */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.hamburger:hover {
  background: var(--bg-secondary);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Menú móvil */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  z-index: 999;
  transform: translateY(-10px);
  opacity: 0;
  transition: all var(--transition-base);
}

.mobile-menu.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.mobile-menu .nav-link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: var(--fs-lg);
  border-radius: var(--radius-md);
}

.mobile-menu .btn {
  width: 100%;
  justify-content: center;
  margin-top: var(--spacing-sm);
}

/* ============================================================
   8. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15,10,5,0.75) 0%,
    rgba(120,55,10,0.5) 50%,
    rgba(15,10,5,0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem var(--spacing-lg) var(--spacing-3xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(249,115,22,0.25);
  border: 1px solid rgba(249,115,22,0.5);
  color: var(--color-primary-light);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 600;
  backdrop-filter: blur(4px);
  margin-bottom: var(--spacing-lg);
  animation: fadeInDown 0.6s ease both;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 5.5rem);
  color: var(--color-white);
  line-height: 1.05;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: rgba(255,255,255,0.88);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: var(--spacing-2xl);
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-br {
  display: none;
}

@media (min-width: 768px) {
  .hero-br { display: block; }
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-3xl);
  animation: fadeInUp 0.7s ease 0.3s both;
}

/* Estadísticas del hero */
.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.4s both;
}

.hero-stat {
  text-align: center;
}

.hero-stat strong {
  display: block;
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
}

.hero-stat span {
  font-size: var(--fs-sm);
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero-scroll-hint a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  color: rgba(255,255,255,0.7);
  animation: bounce 2s infinite;
  font-size: 0.875rem;
}

/* ============================================================
   9. SOBRE NOSOTROS
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.about-text h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
  font-size: var(--fs-lg);
}

/* Valores */
.about-values {
  margin-top: var(--spacing-2xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.value-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  background: var(--bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

.value-item:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.value-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.value-text h4 {
  font-weight: 700;
  color: var(--text-primary);
  font-size: var(--fs-sm);
  margin-bottom: 0.25rem;
}

.value-text p {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  line-height: 1.5;
}

/* Estadísticas (columna derecha) */
.stats-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.stat-circle {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.stat-circle:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-orange);
}

.stat-circle:nth-child(odd) {
  background: linear-gradient(135deg, var(--color-primary-xlight), white);
}

.dark-mode .stat-circle:nth-child(odd) {
  background: linear-gradient(135deg, rgba(249,115,22,0.1), rgba(249,115,22,0.05));
}

.stat-item {
  position: relative;
  z-index: 1;
}

.stat-number {
  display: block;
  font-size: var(--fs-4xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-icon-bg {
  position: absolute;
  right: -5px;
  bottom: -8px;
  font-size: 3.5rem;
  color: var(--color-primary);
  opacity: 0.07;
}

/* Tarjeta de misión / cita */
.mission-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  color: white;
  position: relative;
}

.quote-icon {
  font-size: 2.5rem;
  color: rgba(255,255,255,0.25);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.mission-card p {
  font-size: var(--fs-lg);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.mission-card cite {
  font-size: var(--fs-sm);
  opacity: 0.8;
  font-weight: 600;
  font-style: normal;
}

/* ============================================================
   10. FILTROS DE ADOPCIÓN
   ============================================================ */
.filters {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
}

.search-box {
  flex: 1;
  min-width: 220px;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-size: var(--fs-base);
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-select {
  padding: 0.65rem 1.5rem 0.65rem 0.85rem;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  padding-right: 2rem;
  transition: border-color var(--transition-fast);
}

.filter-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
}

/* ============================================================
   11. GRID DE GATOS
   ============================================================ */
.cats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

/* Tarjeta de gato */
.cat-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition-slow);
  position: relative;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.cat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.cat-card-img-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
}

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

.cat-card:hover .cat-card-img-wrapper img {
  transform: scale(1.08);
}

/* Badge estado */
.cat-status-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  backdrop-filter: blur(4px);
}

.cat-status-badge.disponible {
  background: rgba(16,185,129,0.9);
  color: white;
}

.cat-status-badge.reservado {
  background: rgba(245,158,11,0.9);
  color: white;
}

/* Badge sexo */
.cat-sex-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  backdrop-filter: blur(4px);
}

.cat-sex-badge.macho {
  background: rgba(59,130,246,0.85);
  color: white;
}

.cat-sex-badge.hembra {
  background: rgba(236,72,153,0.85);
  color: white;
}

/* Overlay hover */
.cat-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: var(--spacing-md);
}

.cat-card:hover .cat-card-overlay {
  opacity: 1;
}

.cat-card-overlay-btn {
  color: white;
  font-size: var(--fs-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
}

/* Info de la tarjeta */
.cat-card-body {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

.cat-card-name {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text-primary);
}

.cat-card-age {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  border: 1px solid var(--border-light);
}

.cat-card-desc {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  line-height: 1.6;
  flex: 1;
}

/* Tags de salud */
.cat-health-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.cat-health-tag {
  font-size: var(--fs-xs);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.cat-health-tag.vacunado { background: #dcfce7; color: #166534; }
.cat-health-tag.esterilizado { background: #dbeafe; color: #1e40af; }
.cat-health-tag.desparasitado { background: #fef9c3; color: #854d0e; }
.cat-health-tag.chip { background: #f3e8ff; color: #6b21a8; }
.cat-health-tag.fiv-neg { background: #ffedd5; color: #9a3412; }

.dark-mode .cat-health-tag.vacunado { background: rgba(22,163,74,0.2); color: #86efac; }
.dark-mode .cat-health-tag.esterilizado { background: rgba(59,130,246,0.2); color: #93c5fd; }
.dark-mode .cat-health-tag.desparasitado { background: rgba(234,179,8,0.2); color: #fde047; }
.dark-mode .cat-health-tag.chip { background: rgba(168,85,247,0.2); color: #d8b4fe; }
.dark-mode .cat-health-tag.fiv-neg { background: rgba(249,115,22,0.2); color: #fdba74; }

/* Botón de tarjeta */
.cat-card-btn {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-radius: var(--radius-full);
  padding: 0.65rem 1rem;
  font-weight: 600;
  font-size: var(--fs-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: auto;
  transition: all var(--transition-base);
}

.cat-card-btn:hover {
  box-shadow: var(--shadow-orange);
  transform: translateY(-1px);
  color: white;
}

/* Sin resultados */
.no-results {
  text-align: center;
  padding: var(--spacing-4xl) 0;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.no-results i {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

/* ============================================================
   12. MODAL DE ADOPCIÓN
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s ease;
  box-shadow: 0 25px 60px rgba(0,0,0,0.3);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--transition-fast);
  font-size: 0.875rem;
}

.modal-close:hover {
  background: var(--color-gray-200);
  color: var(--text-primary);
}

.modal-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.modal-cat-photo {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

.modal-cat-photo img {
  width: 100%;
  height: 100%;
  min-height: 400px;
  object-fit: cover;
}

.modal-status-badge {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(16,185,129,0.9);
  color: white;
}

.modal-cat-info {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.modal-cat-info h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  color: var(--text-primary);
}

.modal-details {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.modal-detail-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.modal-cat-info p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: var(--fs-base);
}

.modal-health {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ============================================================
   13. CÓMO AYUDAR
   ============================================================ */
.help-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  align-items: stretch;
  max-width: 800px;
  margin: 0 auto;
}

.help-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.help-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-gray-200);
  transition: background var(--transition-base);
}

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

.help-card:hover::before {
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.help-card-featured {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-color: var(--color-primary);
  transform: scale(1.03);
}

.help-card-featured::before {
  background: rgba(255,255,255,0.3);
}

.help-card-featured:hover {
  transform: scale(1.03) translateY(-4px);
  box-shadow: var(--shadow-orange);
}

.help-card-featured h3,
.help-card-featured p {
  color: white;
}

.help-card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--color-accent);
  color: #451a03;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
}

.help-card-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.adopt-icon { background: rgba(249,115,22,0.1); color: var(--color-primary); }
.volunteer-icon { background: rgba(255,255,255,0.2); color: white; }
.donate-icon { background: rgba(236,72,153,0.1); color: #db2777; }

.help-card h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  color: var(--text-primary);
}

.help-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.help-steps {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.help-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.help-card-featured .help-step {
  color: rgba(255,255,255,0.85);
}

.help-step span:first-child {
  width: 24px;
  height: 24px;
  background: var(--color-primary-xlight);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.help-card-featured .help-step span:first-child {
  background: rgba(255,255,255,0.25);
  color: white;
}

/* ============================================================
   14. TEAMING SECTION
   ============================================================ */
.section-teaming {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #7c2d12 50%, #431407 100%);
  position: relative;
  overflow: hidden;
}

.teaming-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 40%);
  pointer-events: none;
}

.teaming-wrapper {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  color: white;
  position: relative;
  z-index: 1;
}

.teaming-icon-big {
  width: 80px;
  height: 80px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--spacing-lg);
  border: 2px solid rgba(255,255,255,0.2);
}

.teaming-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
}

.teaming-wrapper h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  margin-bottom: var(--spacing-lg);
  color: white;
}

.teaming-desc {
  font-size: var(--fs-xl);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  opacity: 0.92;
}

.teaming-desc strong {
  color: var(--color-accent);
  font-size: 1.3em;
}

.teaming-sub {
  font-size: var(--fs-base);
  opacity: 0.7;
  margin-bottom: var(--spacing-xl);
  font-style: italic;
}

.teaming-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.teaming-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-sm);
  font-weight: 600;
}

.teaming-feature i {
  color: var(--color-accent);
}

.teaming-disclaimer {
  margin-top: var(--spacing-md);
  font-size: var(--fs-xs);
  opacity: 0.5;
}

/* ============================================================
   15. DONACIONES
   ============================================================ */
.donations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.donation-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  transition: all var(--transition-base);
}

.donation-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.donation-card-featured {
  border-color: var(--color-primary);
  position: relative;
}

.donation-card-featured::before {
  content: '⚡ Más Rápido';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  padding: 0.2rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  white-space: nowrap;
}

.donation-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.bank-icon { background: linear-gradient(135deg, #dbeafe, #bfdbfe); color: #1e40af; }
.bizum-icon { background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #065f46; }
.paypal-icon { background: linear-gradient(135deg, #dbeafe, #bfdbfe); color: #1e3a8a; }

.donation-card h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  color: var(--text-primary);
}

.donation-card > p {
  color: var(--text-secondary);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.donation-data {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  width: 100%;
  justify-content: space-between;
}

.donation-code {
  font-family: 'Courier New', monospace;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-primary);
  word-break: break-all;
  text-align: left;
}

.copy-btn {
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  padding: 0.4rem 0.75rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: all var(--transition-base);
  white-space: nowrap;
  flex-shrink: 0;
}

.copy-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

.copy-btn.copied {
  background: #059669;
}

.donation-note {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  font-style: italic;
}

/* Barra de progreso */
.donation-progress {
  background: linear-gradient(135deg, var(--color-primary-xlight), var(--bg-secondary));
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
}

.dark-mode .donation-progress {
  background: linear-gradient(135deg, rgba(249,115,22,0.08), var(--bg-secondary));
}

.donation-progress h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.donation-progress > p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.progress-bar-wrapper {
  background: var(--border-light);
  border-radius: var(--radius-full);
  height: 28px;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 0.75rem;
  transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  min-width: 3rem;
}

.progress-label {
  color: white;
  font-size: var(--fs-xs);
  font-weight: 700;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  font-weight: 600;
}

/* ============================================================
   16. CONTACTO
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

/* Cuando no hay formulario, la info ocupa todo el ancho centrada */
.contact-grid-single {
  grid-template-columns: 1fr;
  max-width: 680px;
  margin: 0 auto;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  transition: all var(--transition-base);
  color: var(--text-primary);
}

.contact-item:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.phone-icon { background: #dbeafe; color: #1e40af; }
.whatsapp-icon { background: #dcfce7; color: #166534; }
.email-icon { background: #fef9c3; color: #854d0e; }
.location-icon { background: #ffe4e6; color: #9f1239; }

.contact-item-text {
  display: flex;
  flex-direction: column;
}

.contact-item-text strong {
  font-size: var(--fs-sm);
  color: var(--text-primary);
  font-weight: 700;
}

.contact-item-text span {
  font-size: var(--fs-base);
  color: var(--text-secondary);
}

/* Redes sociales */
.social-section h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-base);
  color: white;
}

.social-link.instagram { background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.social-link.facebook { background: #1877f2; }
.social-link.twitter { background: #000000; }
.social-link.tiktok { background: linear-gradient(135deg, #010101, #69c9d0); }
.social-link.whatsapp { background: #25d366; }

.social-link:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  color: white;
}

/* Horario */
.schedule-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.schedule-card h4 {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.schedule-card h4 i {
  color: var(--color-primary);
}

.schedule-items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.schedule-item {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border-light);
}

.schedule-item:last-child {
  border-bottom: none;
}

/* Formulario de contacto */
.contact-form-wrapper {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
}

.contact-form h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.form-label span {
  color: var(--color-primary);
}

.input-wrapper {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.875rem;
  pointer-events: none;
}

.input-icon-textarea {
  top: 1rem;
  transform: none;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 1.5px solid var(--border-medium);
  border-radius: var(--radius-lg);
  font-size: var(--fs-base);
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.15);
  background: var(--bg-primary);
}

.form-input.error {
  border-color: #ef4444;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  padding-top: 0.75rem;
}

.input-wrapper-textarea {
  align-items: flex-start;
}

.form-error {
  display: block;
  color: #ef4444;
  font-size: var(--fs-xs);
  margin-top: 0.25rem;
  font-weight: 500;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--spacing-lg);
}

.form-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.form-check-label {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.link-inline {
  color: var(--color-primary);
  font-weight: 600;
}

/* Mensaje de éxito */
.form-success {
  background: #dcfce7;
  border: 1px solid #86efac;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  margin-top: var(--spacing-md);
}

.dark-mode .form-success {
  background: rgba(22,163,74,0.15);
  border-color: rgba(22,163,74,0.3);
}

.form-success i {
  font-size: 2rem;
  color: #16a34a;
  display: block;
  margin-bottom: 0.5rem;
}

.form-success strong {
  font-size: var(--fs-lg);
  color: #166534;
  display: block;
  margin-bottom: 0.25rem;
}

.dark-mode .form-success strong {
  color: #86efac;
}

.form-success p {
  color: #166534;
  font-size: var(--fs-sm);
}

.dark-mode .form-success p {
  color: #86efac;
}

/* ============================================================
   17. FOOTER
   ============================================================ */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
}

.dark-mode .footer {
  background: #0c0a09;
}

.footer-top {
  padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: var(--spacing-2xl);
}

/* Brand */
.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: var(--spacing-md);
  color: white;
  font-size: var(--fs-lg);
}

.footer-logo:hover {
  color: var(--color-primary-light);
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
}

.footer-desc {
  font-size: var(--fs-sm);
  color: var(--color-gray-400);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: 0.6rem;
}

.footer-social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-300);
  font-size: 0.875rem;
  transition: all var(--transition-base);
}

.footer-social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.footer-heading {
  color: white;
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links li a,
.footer-contact-list li a {
  color: var(--color-gray-400);
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links li a:hover,
.footer-contact-list li a:hover {
  color: var(--color-primary-light);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-sm);
  color: var(--color-gray-400);
}

.footer-contact-list li i {
  color: var(--color-primary);
  width: 14px;
  text-align: center;
}

/* Footer bottom */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--spacing-lg) 0;
}

.footer-bottom-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  font-size: var(--fs-sm);
  color: var(--color-gray-500);
}

.footer-heart {
  color: var(--color-primary);
}

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer-legal a {
  color: var(--color-gray-500);
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-primary-light);
}

/* ============================================================
   18. BOTÓN SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(249,115,22,0.4);
  transition: all var(--transition-base);
  z-index: 500;
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  pointer-events: none;
  font-size: 1rem;
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.scroll-top:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 8px 25px rgba(249,115,22,0.5);
}

/* ============================================================
   19. TOAST NOTIFICATION
   ============================================================ */
.toast {
  position: fixed;
  bottom: 5rem;
  right: 2rem;
  background: var(--color-gray-800);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-lg);
  font-size: var(--fs-sm);
  font-weight: 500;
  box-shadow: var(--shadow-xl);
  z-index: 600;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
  max-width: 280px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.dark-mode .toast {
  background: var(--color-gray-700);
}

/* ============================================================
   20. ANIMACIONES
   ============================================================ */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* Clases AOS (Animate on Scroll simulado) */
[data-aos] {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-right"] {
  transform: translateX(-25px);
}

[data-aos="fade-left"] {
  transform: translateX(25px);
}

[data-aos="zoom-in"] {
  transform: scale(0.95);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: none;
}

/* ============================================================
   21. RESPONSIVE DESIGN
   ============================================================ */

/* Tablet grande (1024px) */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

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

  .about-stats-column {
    order: -1;
  }

  .stats-card {
    grid-template-columns: repeat(4, 1fr);
  }

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

/* Tablet (768px) */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --spacing-4xl: 4rem;
  }

  /* Nav */
  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* About */
  .about-values {
    grid-template-columns: 1fr;
  }

  .stats-card {
    grid-template-columns: 1fr 1fr;
  }

  /* Help cards */
  .help-cards {
    grid-template-columns: 1fr;
  }

  .help-card-featured {
    transform: scale(1);
    order: -1;
  }

  .help-card-featured:hover {
    transform: translateY(-4px);
  }

  /* Donations */
  .donations-grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* Modal */
  .modal-body {
    grid-template-columns: 1fr;
  }

  .modal-cat-photo {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .modal-cat-photo img {
    min-height: 280px;
    height: 280px;
  }

  /* Hero */
  .hero-stats {
    gap: var(--spacing-md);
  }

  /* Teaming */
  .teaming-features {
    gap: var(--spacing-md);
  }
}

/* Mobile (480px) */
@media (max-width: 480px) {
  :root {
    --spacing-4xl: 3rem;
  }

  .section-header h2 {
    font-size: var(--fs-3xl);
  }

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

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stat-divider {
    display: none;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .stats-card {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }

  .filters {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    min-width: unset;
  }

  .filter-group {
    flex-direction: row;
    justify-content: space-between;
  }

  .filter-select {
    flex: 1;
    margin-left: 0.5rem;
  }

  /* Teaming */
  .teaming-wrapper h2 {
    font-size: var(--fs-3xl);
  }

  .teaming-features {
    flex-direction: column;
    align-items: center;
  }
}

/* ============================================================
   22. ACCESIBILIDAD
   ============================================================ */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

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

  html {
    scroll-behavior: auto;
  }
}