/* Búzios Piscinas - Design System & Modern Responsive Styles */

:root {
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --pet-primary-dark: #003E7E;
  --pet-primary-dark-rgb: 0, 62, 126;
  --pet-primary: #0077C8;
  --pet-primary-rgb: 0, 119, 200;
  --pet-secondary: #00B4E6;
  --pet-secondary-rgb: 0, 180, 230;
  --pet-accent: #F2C94C;
  --pet-accent-rgb: 242, 201, 76;
  --pet-dark: #1A1A2E;
  --pet-gray: #4A5568;
  --pet-light: #F4F7FB;
  --pet-whatsapp: #25D366;
  --pet-whatsapp-hover: #1ebe5d;

  --gradient-dark: linear-gradient(135deg, #003E7E 0%, #0077C8 100%);
  --gradient-hero: linear-gradient(135deg, #003E7E 0%, #0077C8 50%, #00B4E6 100%);
  --gradient-accent: linear-gradient(135deg, #F2C94C 0%, #F2994A 100%);
  --gradient-card: linear-gradient(180deg, #FFFFFF 0%, #F4F7FB 100%);
  
  --radius-btn: 0.75rem;
  --radius-card: 1rem;
  --shadow-sm: 0 2px 8px rgba(0, 62, 126, 0.06);
  --shadow-md: 0 6px 20px rgba(0, 62, 126, 0.10);
  --shadow-lg: 0 12px 30px rgba(0, 62, 126, 0.15);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background-color: #FAFCFE;
  color: #2D3748;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--pet-primary-dark);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease-in-out;
}

.container-pet {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* TOP BAR */
.top-bar {
  background-color: var(--pet-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.78rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-link {
  color: var(--pet-accent);
  font-weight: 600;
}
.top-bar-link:hover {
  color: #fff;
}

/* MAIN HEADER */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #ffffff;
  border-bottom: 1px solid #E2E8F0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  gap: 1.5rem;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.brand-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-hero);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(0, 119, 200, 0.25);
}
.brand-text small {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--pet-gray);
  text-transform: uppercase;
}
.brand-text strong {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--pet-primary-dark);
  line-height: 1.1;
  display: block;
}

/* SEARCH BAR */
.search-form {
  position: relative;
  flex: 1;
  max-width: 540px;
}
.search-input {
  width: 100%;
  height: 42px;
  border-radius: 24px;
  border: 1.5px solid #CBD5E1;
  background: #F8FAFC;
  padding: 0.5rem 3rem 0.5rem 1.25rem;
  font-size: 0.88rem;
  color: var(--pet-primary-dark);
  outline: none;
  transition: all 0.2s ease;
}
.search-input:focus {
  border-color: var(--pet-secondary);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(0, 180, 230, 0.15);
}
.search-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  color: var(--pet-gray);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
}
.search-btn:hover {
  color: var(--pet-primary);
}

/* HEADER ACTIONS */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.btn-whatsapp-header {
  background-color: var(--pet-whatsapp);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-btn);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}
.btn-whatsapp-header:hover {
  background-color: var(--pet-whatsapp-hover);
  transform: translateY(-1px);
}

/* NAVIGATION BAR */
.main-nav {
  background-color: var(--pet-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.nav-list {
  display: flex;
  list-style: none;
  overflow-x: auto;
}
.nav-item a {
  display: block;
  padding: 0.75rem 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
}
.nav-item a:hover, .nav-item a.active {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

/* HERO SECTION */
.hero-section {
  position: relative;
  background: var(--gradient-hero);
  color: #ffffff;
  padding: 4rem 0 5rem;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}
.hero-title {
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 1rem;
}
@media (min-width: 768px) {
  .hero-title {
    font-size: 3.2rem;
  }
}
.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.5rem;
  font-weight: 400;
}
.hero-chips {
  font-size: 0.8rem;
  color: var(--pet-accent);
  margin-bottom: 2rem;
  font-weight: 600;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.btn-primary-accent {
  background: var(--gradient-accent);
  color: var(--pet-primary-dark);
  font-weight: 700;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  box-shadow: 0 6px 18px rgba(242, 201, 76, 0.35);
}
.btn-primary-accent:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}
.btn-outline-hero {
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
}
.btn-outline-hero:hover {
  background: rgba(255, 255, 255, 0.15);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.stat-item strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--pet-accent);
}
.stat-item span {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.8);
}

/* WIDGET DIAGNÓSTICO */
.hero-widget {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.widget-header small {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
}
.widget-header h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-top: 0.25rem;
}
.widget-row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.88rem;
}
.widget-val {
  color: var(--pet-accent);
  font-weight: 700;
}

/* BENEFITS BAR */
.benefits-bar {
  background: var(--pet-primary-dark);
  color: #fff;
  padding: 1.25rem 0;
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.benefit-card {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.benefit-icon {
  font-size: 1.5rem;
  color: var(--pet-accent);
}
.benefit-text strong {
  display: block;
  font-size: 0.9rem;
  color: #fff;
}
.benefit-text span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

/* SECTION TITLES */
.section-title-wrap {
  margin-bottom: 2rem;
}
.section-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pet-primary);
  display: block;
  margin-bottom: 0.4rem;
}
.section-title {
  font-size: 1.8rem;
  color: var(--pet-primary-dark);
}

/* CARDS DE SINTOMAS / SINTOMAS GRID */
.symptom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}
.symptom-card {
  background: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-card);
  padding: 1.5rem;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
  display: block;
}
.symptom-card:hover {
  transform: translateY(-4px);
  border-color: var(--pet-secondary);
  box-shadow: var(--shadow-md);
}
.symptom-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 180, 230, 0.12);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pet-primary);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.symptom-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}
.symptom-card p {
  font-size: 0.85rem;
  color: var(--pet-gray);
  margin-bottom: 1rem;
}
.symptom-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--pet-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* PRODUCT CARDS */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}
.product-card {
  background: #ffffff;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--pet-secondary);
}
.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--gradient-accent);
  color: var(--pet-primary-dark);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  z-index: 2;
}
.product-img-wrap {
  width: 100%;
  height: 200px;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.product-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.product-info {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-brand {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--pet-gray);
  margin-bottom: 0.25rem;
}
.product-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pet-primary-dark);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.product-price-wrap {
  margin-top: auto;
  padding-top: 0.75rem;
}
.old-price {
  font-size: 0.8rem;
  color: #94A3B8;
  text-decoration: line-through;
  display: block;
}
.current-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--pet-primary);
}
.btn-whatsapp-product {
  margin-top: 1rem;
  width: 100%;
  background-color: var(--pet-whatsapp);
  color: #fff;
  border: none;
  padding: 0.65rem;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
}
.btn-whatsapp-product:hover {
  background-color: var(--pet-whatsapp-hover);
}

/* CALCULADORA DE ÁGUA */
.calc-section {
  background: linear-gradient(135deg, #003E7E 0%, #005BA3 100%);
  color: #fff;
  border-radius: 1.5rem;
  padding: 2.5rem;
  margin: 3rem 0;
}
.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 768px) {
  .calc-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: rgba(255,255,255,0.9);
}
.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-btn);
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
}
.form-control:focus {
  background: rgba(255,255,255,0.2);
  border-color: var(--pet-accent);
}
.form-control option {
  background: var(--pet-primary-dark);
  color: #fff;
}
.calc-result-card {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.2);
}
.result-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.result-item:last-child {
  border-bottom: none;
}
.result-val {
  font-weight: 700;
  color: var(--pet-accent);
  font-size: 1.1rem;
}

/* FOOTER */
.main-footer {
  background-color: var(--pet-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 2rem;
  font-size: 0.88rem;
  border-top: 4px solid var(--pet-primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
}
.footer-col h4::after {
  content: '';
  display: block;
  width: 30px;
  height: 3px;
  background: var(--pet-accent);
  margin-top: 0.4rem;
  border-radius: 2px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin-bottom: 0.6rem;
}
.footer-links a:hover {
  color: var(--pet-accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
}

/* BREADCRUMBS STYLES */
.breadcrumb-wrapper {
  background-color: #F1F5F9;
  border-bottom: 1px solid #E2E8F0;
  padding: 0.65rem 0;
  font-size: 0.82rem;
}
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}
.breadcrumb-item a {
  color: var(--pet-gray);
  font-weight: 500;
  text-decoration: none;
}
.breadcrumb-item a:hover {
  color: var(--pet-primary);
  text-decoration: underline;
}
.breadcrumb-item.active {
  color: var(--pet-primary-dark);
  font-weight: 600;
}
.breadcrumb-separator {
  color: #94A3B8;
  font-size: 0.65rem;
  display: flex;
  align-items: center;
}

/* CART DRAWER SLIDE-OVER */
.cart-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.cart-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 420px;
  background: #ffffff;
  z-index: 999;
  box-shadow: -4px 0 25px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.cart-drawer.active {
  transform: translateX(0);
}
.cart-drawer-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid #E2E8F0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--pet-primary-dark);
  color: #fff;
}
.cart-drawer-header h3 {
  color: #fff;
  font-size: 1.15rem;
  margin: 0;
}
.cart-drawer-close {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.8);
  font-size: 1.2rem;
  cursor: pointer;
}
.cart-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
}
.cart-drawer-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid #E2E8F0;
  background: #F8FAFC;
}
.cart-item-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid #F1F5F9;
}
.cart-item-img {
  width: 55px;
  height: 55px;
  object-fit: contain;
  background: #F8FAFC;
  border-radius: 8px;
  padding: 4px;
}
.cart-item-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--pet-primary-dark);
  margin-bottom: 0.25rem;
}
.cart-item-qty-btn {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 1px solid #CBD5E1;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
}
.cart-badge-counter {
  background: var(--pet-accent);
  color: var(--pet-primary-dark);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 50px;
  margin-left: 0.25rem;
}

/* PAGINATION STYLING */
.pagination {
  display: flex;
  list-style: none;
  gap: 0.35rem;
  padding: 0;
  margin: 0;
  align-items: center;
  justify-content: center;
}
.page-item .page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 0.75rem;
  border-radius: 8px;
  border: 1px solid #CBD5E1;
  background: #ffffff;
  color: var(--pet-primary-dark);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  transition: all 0.2s ease;
}
.page-item.active .page-link {
  background: var(--pet-primary);
  border-color: var(--pet-primary);
  color: #ffffff;
}
.page-item .page-link:hover {
  background: #F1F5F9;
  border-color: var(--pet-accent);
  color: var(--pet-primary);
}
.page-item.disabled .page-link {
  opacity: 0.5;
  cursor: not-allowed;
}