/* Dog Foodie - Minimal Redesign v2 */
/* Clean, professional, veterinary-approved aesthetic */

:root {
  /* Primary Colors - Clean Minimal Palette */
  --color-primary: #2C3E50;
  --color-accent: #D4845B;
  --color-accent-hover: #C4744B;
  --color-background: #FFFFFF;
  --color-surface: #F8F9FA;
  --color-text: #2C3E50;
  --color-text-muted: #6C757D;
  --color-border: #E9ECEF;
  
  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'DM Sans', 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Borders */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-hover);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.section--surface {
  background-color: var(--color-surface);
}

/* ========================================
   HEADER & NAVIGATION
======================================== */
.header {
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 0;
  min-height: 130px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
}

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

.logo__icon {
  font-size: 1.5rem;
}

.logo__img {
  height: 70px;
  width: auto;
  object-fit: contain;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.nav__link {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  padding: var(--space-sm) 0;
  transition: color 0.2s ease;
}

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

.nav__cta {
  background: var(--color-accent);
  color: var(--color-background) !important;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background 0.2s ease;
}

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

/* Mobile Nav Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all 0.3s ease;
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
  position: relative;
  padding: var(--space-4xl) 0;
  background-color: var(--color-surface);
  background-image: url('../assets/images/hero-home.png');
  background-size: cover;
  background-position: center right;
  min-height: 500px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(248,249,250,0.95) 0%, rgba(248,249,250,0.7) 50%, rgba(248,249,250,0.3) 100%);
}

.hero__content {
  position: relative;
  max-width: 560px;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}

.hero__title span {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
  max-width: 480px;
}

.hero__ctas {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ========================================
   BUTTONS
======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

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

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

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

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

.btn--lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.0625rem;
}

/* ========================================
   SECTION HEADERS
======================================== */
.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.section__title {
  margin-bottom: var(--space-md);
}

.section__desc {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}

/* ========================================
   CARDS GRID
======================================== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

/* ========================================
   RECIPE / CONTENT CARD (New Minimal Design)
======================================== */
.card {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__image {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-border) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__image-placeholder {
  color: var(--color-text-muted);
  font-size: 3rem;
  opacity: 0.3;
}

.card__content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.card__title a {
  color: inherit;
}

.card__title a:hover {
  color: var(--color-accent);
}

.card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.card__link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

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

/* Legacy recipe-card support (for JS rendering) */
.recipe-card {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.recipe-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.recipe-card__image {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-border) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  opacity: 0.5;
}

.recipe-card__content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.recipe-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.recipe-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recipe-card__link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* Hide legacy elements */
.recipe-card__tag,
.recipe-card__meta {
  display: none;
}

/* ========================================
   BREED CARD (Simplified)
======================================== */
.breed-card {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.breed-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.breed-card__image {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-border) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.breed-card__image-placeholder {
  font-size: 3rem;
  opacity: 0.4;
}

.breed-card__content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.breed-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.breed-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.breed-card__link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* Hide legacy breed elements */
.breed-card__header,
.breed-card__icon,
.breed-card__size,
.breed-card__stats,
.breed-card__priorities {
  display: none;
}

/* ========================================
   FEATURE GRID (Trust Section, etc.)
======================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature {
  text-align: center;
  padding: var(--space-xl);
}

.feature__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.feature__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ========================================
   CALCULATOR PREVIEW (Simplified)
======================================== */
.calculator-cta {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.calculator-cta__content {
  color: var(--color-background);
}

.calculator-cta__content h2 {
  color: var(--color-background);
  margin-bottom: var(--space-md);
}

.calculator-cta__content p {
  color: rgba(255,255,255,0.8);
  font-size: 1.0625rem;
  margin-bottom: var(--space-xl);
}

.calculator-cta__features {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.calculator-cta__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: rgba(255,255,255,0.9);
  font-size: 0.9375rem;
}

.calculator-cta__features li::before {
  content: '✓';
  width: 20px;
  height: 20px;
  background: var(--color-accent);
  color: var(--color-background);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.calculator-cta__visual {
  background: var(--color-background);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  text-align: center;
}

.calculator-cta__visual h4 {
  margin-bottom: var(--space-sm);
}

.calculator-cta__visual p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

/* Legacy calculator-preview support */
.calculator-preview {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.calculator-preview__content {
  color: var(--color-background);
}

.calculator-preview__content h2 {
  color: var(--color-background);
  margin-bottom: var(--space-md);
}

.calculator-preview__content p {
  color: rgba(255,255,255,0.8);
  font-size: 1.0625rem;
  margin-bottom: var(--space-xl);
}

.calculator-preview__features {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.calculator-preview__features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: rgba(255,255,255,0.9);
  font-size: 0.9375rem;
}

.calculator-preview__features li::before {
  content: '✓';
  width: 20px;
  height: 20px;
  background: var(--color-accent);
  color: var(--color-background);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.calculator-preview__visual {
  background: var(--color-background);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  text-align: center;
}

.calculator-preview__visual-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.calculator-preview__visual h4 {
  margin-bottom: var(--space-sm);
}

.calculator-preview__visual p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

/* ========================================
   FILTER BAR
======================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-background);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.filter-group label {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.875rem;
}

.filter-select {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.875rem;
  color: var(--color-text);
  background: var(--color-background);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* ========================================
   PAGE HEADER
======================================== */
.page-header {
  background: var(--color-surface);
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
}

.page-header__breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.page-header__breadcrumb a {
  color: var(--color-accent);
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-header p {
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.0625rem;
}

/* ========================================
   FOOTER
======================================== */
.footer {
  background: var(--color-primary);
  color: var(--color-background);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__disclaimer {
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.footer__disclaimer h4 {
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.footer__disclaimer p {
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand {
  max-width: 260px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-background);
  margin-bottom: var(--space-md);
}

.footer__logo:hover {
  color: var(--color-background);
}

.footer__brand p {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  transition: background 0.2s ease;
}

.footer__social a:hover {
  background: var(--color-accent);
  color: var(--color-background);
}

.footer__column h4 {
  color: var(--color-background);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.footer__links a:hover {
  color: var(--color-background);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.5);
}

/* ========================================
   LOADING STATE
======================================== */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  color: var(--color-text-muted);
  grid-column: 1 / -1;
}

.loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--space-md);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========================================
   LEGACY SUPPORT (CTA Cards, etc.)
======================================== */
.split-ctas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.cta-card {
  background: var(--color-background);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  border: 1px solid var(--color-border);
}

.cta-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.cta-card h3 {
  margin-bottom: var(--space-sm);
}

.cta-card p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

.cta-card--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-background);
}

.cta-card--primary h3,
.cta-card--primary p {
  color: var(--color-background);
}

.cta-card--primary p {
  opacity: 0.9;
}

.cta-card--secondary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-background);
}

.cta-card--secondary h3,
.cta-card--secondary p {
  color: var(--color-background);
}

.cta-card--secondary p {
  opacity: 0.9;
}

.cta-card .btn {
  background: var(--color-background);
  color: var(--color-primary);
  border-color: var(--color-background);
}

.cta-card .btn:hover {
  background: var(--color-surface);
}

/* Legacy btn--sage support */
.btn--sage {
  background: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
}

.btn--sage:hover {
  background: #1a252f;
  border-color: #1a252f;
  color: var(--color-background);
}

/* Legacy btn--secondary support */
.btn--secondary {
  background: var(--color-background);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 1024px) {
  .calculator-preview,
  .calculator-cta {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-background);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-border);
  }
  
  .nav__links.active {
    display: flex;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .hero {
    padding: var(--space-3xl) 0;
    min-height: auto;
  }
  
  .hero::before {
    background: rgba(248,249,250,0.95);
  }
  
  .hero__ctas {
    flex-direction: column;
  }
  
  .btn--lg {
    width: 100%;
    justify-content: center;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .split-ctas {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__brand {
    max-width: 100%;
  }
  
  .footer__social {
    justify-content: center;
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* ========================================
   UTILITY CLASSES
======================================== */
.text-center { text-align: center; }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }
.hidden { display: none !important; }