/* ==========================================================
   VARIABLES: Root Colors, Typography, Spacing, Radius, etc.
   ========================================================== */
:root {
  /* Colors */
  --color-background: #f9fafb;
  --color-surface: #fff;
  --color-text: #23272f;
  --color-primary: #25c3b9;
  --color-primary-dark: #169a8e;
  --color-success: #3ecf8e;
  --color-warning: #fcc419;
  --color-danger: #e64980;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #cbd5e1;
  --color-gray-400: #94a3b8;
  --color-gray-500: #64748b;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Poppins', 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-size-xs: 0.8125rem;
  --font-size-sm: 0.9rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --line-height-tight: 1.18;
  --line-height-base: 1.55;
  --line-height-heading: 1.225;

  /* Spacing (scale: 0, 4, 8, 12, ... 96) */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  /* Radius, Shadows, Transitions */
  --radius-xs: 2.5px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-xs: 0 1px 2px 0 rgba(20, 30, 60, 0.04);
  --shadow-sm: 0 2px 6px 0 rgba(20, 30, 60, 0.06);
  --shadow-md: 0 8px 24px 0 rgba(30, 60, 90, 0.10);

  --transition-fast: 0.15s cubic-bezier(.4,0,.2,1);
  --transition-base: 0.22s cubic-bezier(.4,0,.2,1);
  --transition-slow: 0.32s cubic-bezier(.4,0,.2,1);
}

/* =============================
   RESET & NORMALIZE
   ============================= */
* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--color-background);
}
body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
}
ul, ol {
  padding: 0;
  list-style: none;
}
img, picture, video, canvas, svg {
  max-width: 100%;
  height: auto;
  display: block;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
input, button, textarea, select {
  font: inherit;
  color: inherit;
  border-radius: 0;
}
button, [type='button'], [type='reset'], [type='submit'] {
  appearance: button;
  background: none;
  border: none;
  padding: 0;
}
:focus {
  outline: none;
}
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Respect user reduced motion setting */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    transition: none !important;
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
  }
}

/* =============================
   BASE STYLES
   ============================= */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background: var(--color-background);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: var(--line-height-heading);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}
h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

p {
  margin-bottom: var(--space-4);
  max-width: 52ch;
}

@media (max-width: 600px) {
  h1 { font-size: 1.45rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1.075rem; }
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover, a:focus-visible {
  color: var(--color-primary-dark);
  text-decoration: underline;
}
a:active {
  color: var(--color-success);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* =============================
   UTILITIES
   ============================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.flex {
  display: flex;
  gap: var(--space-3);
}
.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.grid {
  display: grid;
  gap: var(--space-4);
}
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Spacing helpers */
.mt-4 { margin-top: var(--space-4) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.pt-4 { padding-top: var(--space-4) !important; }
.pb-4 { padding-bottom: var(--space-4) !important; }

/* =============================
   HEADER & FOOTER STYLES SHARED
   ============================= */
/* --- Header & Mobile Menu --- */
.site-header {
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 61px;
}
.nav-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 61px;
}
.site-logo {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
  display: flex;
  align-items: center;
}
.main-menu {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}
.main-menu a {
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-gray-900);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.main-menu a:hover, .main-menu a:focus-visible {
  background: var(--color-primary);
  color: #fff;
}
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  align-items: center;
  height: 44px;
  width: 44px;
}
.mobile-menu-icon svg {
  display: block;
}
@media (max-width: 900px) {
  .main-menu {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    min-width: 220px;
    max-width: 90vw;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    background: var(--color-surface);
    box-shadow: -5px 0 24px rgba(0,0,0,0.08);
    padding: var(--space-10) var(--space-6) var(--space-10) var(--space-6);
    transform: translateX(110%);
    transition: transform var(--transition-base);
    z-index: 30;
    pointer-events: none;
    opacity: 0;
  }
  .main-menu.open {
    transform: translateX(0);
    pointer-events: auto;
    opacity: 1;
  }
  .mobile-menu-btn {
    display: flex;
  }
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-10) 0 var(--space-6) 0;
  color: var(--color-gray-700);
  border-top: 1px solid var(--color-gray-200);
  background: var(--color-surface);
  font-size: var(--font-size-base);
  margin-top: var(--space-8);
}
.footer-grid {
  display: flex;
  gap: var(--space-12);
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}
.footer-brand {
  min-width: 120px;
  margin-bottom: var(--space-4);
}
.footer-links,
.footer-legal {
  display: flex;
  flex-direction: column;
  gap: 0.25em;
}
.footer-links a,
.footer-legal a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-base);
  padding: 3px 0;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.footer-links a:hover,
.footer-links a:focus-visible,
.footer-legal a:hover,
.footer-legal a:focus-visible {
  color: var(--color-primary);
  background: var(--color-gray-100);
}
.copyright {
  padding-top: var(--space-6);
  text-align: center;
}

/* --- Cookie Consent Banner --- */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 1000;
  background: var(--color-surface);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.10);
  border-top: 1.5px solid var(--color-gray-200);
  width: 100vw;
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
  transition: transform .39s cubic-bezier(.7,.13,.2,1);
  transform: translateY(0);
}
.cookie-banner[hidden], .cookie-banner.hide {
  transform: translateY(120%);
  pointer-events: none;
  opacity: 0;
}
.cookie-banner-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
}
.cookie-buttons {
  display: flex;
  gap: var(--space-3);
}
.button-secondary {
  background: var(--color-gray-300);
  color: var(--color-gray-700) !important;
}
@media (max-width: 700px) {
  .footer-grid {
    flex-direction: column;
    gap: var(--space-6);
  }
  .cookie-banner-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }
}

/* =============================
   COMPONENTS
   ============================= */

/* Buttons */
.button, button, [type="button"], [type="submit"], [type="reset"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--font-size-base);
  padding: var(--space-2) var(--space-4);
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  cursor: pointer;
  transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  text-decoration: none;
  outline: none;
  position: relative;
}
.button:hover, button:hover, .button:focus-visible, button:focus-visible {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}
.button:active, button:active {
  background: var(--color-success);
}
.button:disabled, button:disabled, .button[aria-disabled="true"] {
  background: var(--color-gray-200);
  color: var(--color-gray-500);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Inputs & Forms */
input, textarea, select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-xs);
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}
input:disabled, textarea:disabled, select:disabled {
  background: var(--color-gray-100);
  color: var(--color-gray-400);
  cursor: not-allowed;
}

/* Card */
.card {
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  transition: box-shadow var(--transition-base);
}
.card:hover, .card:focus-within {
  box-shadow: 0 12px 36px 0 rgba(30,60,90,0.15);
}

/* Featured deals, playful touches for pet theme */
.badge, .tag {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 2px 10px;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* Color utility classes for quick highlights */
.text-success { color: var(--color-success) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-danger { color: var(--color-danger) !important; }
.bg-primary { background: var(--color-primary) !important; color: #fff !important; }
.bg-surface { background: var(--color-surface) !important; }
.bg-gray-100 { background: var(--color-gray-100) !important; }

/* Loader spinner base */
.loader {
  border: 3px solid var(--color-gray-200);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes spin {
  100% { transform: rotate(360deg); }
}

/* End of Base CSS */