/* ============================================================
   PawTrust — Custom CSS
   Stack: Bootstrap 5 + CSS custom variables
   TODO: Reemplazar "PawTrust" con el nombre de marca final
   ============================================================ */

/* ===== VARIABLES ===== */
:root {
  --color-primary:        #16a34a;   /* green-600 — natural, trustworthy */
  --color-primary-hover:  #15803d;   /* green-700 */
  --color-primary-light:  #dcfce7;   /* green-50  */
  --color-accent:         #f97316;   /* orange-500 — CTA warm */
  --color-accent-hover:   #ea580c;   /* orange-600 */
  --color-surface:        #ffffff;
  --color-bg:             #f8fafc;
  --color-text:           #1e293b;
  --color-text-muted:     #64748b;
  --color-border:         #e2e8f0;
  --color-success:        #22c55e;
  --color-warning:        #f59e0b;

  --radius:     0.5rem;
  --radius-lg:  0.75rem;
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:     0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg:  0 8px 24px rgba(0,0,0,0.10);

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ===== BASE ===== */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  transition: color 0.2s ease-out;
}
a:hover { color: var(--color-primary-hover); }

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

/* ===== AFFILIATE DISCLOSURE BANNER ===== */
.disclosure-banner {
  background-color: #fffbeb;         /* amber-50 */
  border-bottom: 1px solid #fde68a; /* amber-200 */
  font-size: 0.825rem;
  color: #92400e;                   /* amber-800 */
}
.disclosure-banner a {
  color: #92400e;
  font-weight: 600;
  text-decoration: underline;
}

/* ===== NAVBAR ===== */
#mainNavbar {
  box-shadow: var(--shadow-sm);
  z-index: 1030;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: var(--color-primary-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary);
}
.brand-text {
  font-size: 1.2rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.brand-text strong { color: var(--color-primary); }

.navbar-nav .nav-link {
  color: var(--color-text-muted);
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  transition: all 0.2s ease-out;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.dropdown-menu {
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
  padding: 0.5rem;
}
.dropdown-item {
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: all 0.15s ease-out;
}
.dropdown-item:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* ===== BOTONES ===== */
.btn-primary-custom {
  background-color: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.65rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease-out;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.btn-primary-custom:hover {
  background-color: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(22,163,74,0.25);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.65rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease-out;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.btn-accent:hover {
  background-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(249,115,22,0.30);
}

.btn-outline-custom {
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius);
  padding: 0.6rem 1.4rem;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.2s ease-out;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.btn-outline-custom:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Botón Amazon — específico para enlaces de afiliado */
.btn-amazon {
  background-color: #ff9900;
  color: #111;
  border: none;
  border-radius: var(--radius);
  padding: 0.6rem 1.2rem;
  font-weight: 700;
  font-size: 0.875rem;
  transition: all 0.2s ease-out;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.btn-amazon:hover {
  background-color: #e68900;
  color: #111;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,153,0,0.35);
}

/* ===== HERO ===== */
.hero-section {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 40%, #f8fafc 100%);
  padding: 2.5rem 0 2rem;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(22,163,74,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 1.2rem;
}
.hero-title span { color: var(--color-primary); }
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}
.hero-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

/* ===== SECCIÓN TÍTULOS ===== */
.section-label {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 999px;
  padding: 0.2rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}
.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 560px;
}

/* ===== CARDS DE CATEGORÍA ===== */
.category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  color: var(--color-text);
  display: block;
  transition: all 0.2s ease-out;
  height: 100%;
}
.category-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  color: var(--color-text);
}
.category-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.category-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.category-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}
.category-card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ===== CARDS DE PRODUCTO ===== */
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s ease-out;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.product-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--color-bg);
}
.product-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  margin-bottom: 0.6rem;
}
.product-badge-top { background: #fef3c7; color: #92400e; }
.product-badge-new { background: var(--color-primary-light); color: var(--color-primary); }
.product-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.4rem;
}
.product-desc {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  flex: 1;
  margin-bottom: 1rem;
}
.product-rating {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.825rem;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}
.stars { color: #f59e0b; letter-spacing: 0.05em; }
.product-footer {
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
  margin-top: auto;
}
/* Nota afiliado en tarjeta de producto — requerida por Amazon */
.product-affiliate-note {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* ===== SECCIÓN TRUST / HOW WE REVIEW ===== */
.trust-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.trust-item {
  text-align: center;
  padding: 1rem;
}
.trust-icon {
  width: 56px; height: 56px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
}
.trust-title { font-size: 1rem; font-weight: 600; margin-bottom: 0.4rem; }
.trust-desc { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.5; }

/* ===== ARTICLE CARDS ===== */
.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s ease-out;
  height: 100%;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-text);
}
.article-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  color: var(--color-text);
}
.article-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--color-bg);
}
.article-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.article-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 0.4rem;
}
.article-title {
  font-size: 0.975rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.4rem;
  flex: 1;
}
.article-meta {
  font-size: 0.775rem;
  color: var(--color-text-muted);
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

/* ===== NEWSLETTER ===== */
.newsletter-section {
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  color: #fff;
}
.newsletter-section .section-label {
  background: rgba(255,255,255,0.2);
  color: #fff;
}
.newsletter-section .section-title { color: #fff; }
.newsletter-section p { color: rgba(255,255,255,0.85); }
.newsletter-input {
  border: none;
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  width: 100%;
  max-width: 320px;
}
.newsletter-input:focus { outline: 2px solid rgba(255,255,255,0.5); }
.newsletter-disclaimer {
  font-size: 0.775rem;
  color: rgba(255,255,255,0.65);
  margin-top: 0.75rem;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #0f172a;   /* slate-900 */
  color: #94a3b8;         /* slate-400 */
  padding: 3.5rem 0 2rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  margin-bottom: 1rem;
}
.footer-brand .brand-icon {
  background: rgba(22,163,74,0.15);
  color: var(--color-primary);
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-description {
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 280px;
  color: #64748b;
}
.footer-heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  margin-bottom: 1rem;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a {
  font-size: 0.875rem;
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s ease-out;
}
.footer-links a:hover { color: #fff; }

/* Disclosure requerida por Amazon — debe ser visible en el footer */
.amazon-disclosure {
  background: rgba(255,153,0,0.07);
  border: 1px solid rgba(255,153,0,0.15);
  border-radius: var(--radius);
  padding: 0.85rem 1.1rem;
  font-size: 0.8rem;
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}
.amazon-disclosure strong { color: #ff9900; }

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 1.5rem;
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: #475569;
}
.footer-legal-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-legal-links a {
  color: #475569;
  text-decoration: none;
  transition: color 0.2s ease-out;
}
.footer-legal-links a:hover { color: #94a3b8; }

/* ===== PÁGINAS LEGALES ===== */
.legal-page .legal-header {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 0 2rem;
}
.legal-page h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
  border-left: 3px solid var(--color-primary);
  padding-left: 0.75rem;
}
.legal-page p, .legal-page li {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.75;
}
.legal-page .highlight-box {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  color: #92400e;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-section { padding: 1.5rem 0 1.25rem; }
  .hero-stats { gap: 1.25rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal-links { justify-content: center; }
}