/* ============================================
   WowPetStore — Layout
   ============================================ */

/* ---- Page Body Offset ---- */
.page-body {
  padding-top: var(--space-1);
}

/* ---- Two-Column Layout ---- */
.layout-with-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .layout-with-sidebar {
    grid-template-columns: 260px 1fr;
    gap: var(--space-10);
  }
}

/* Filter sidebar mobile - bottom sheet */
.filter-sidebar-mobile {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-overlay);
  background: var(--color-surface);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform var(--duration-base) var(--ease-out);
  padding: var(--space-6);
}

.filter-sidebar-mobile.open {
  transform: translateY(0);
}

@media (min-width: 1024px) {
  .filter-sidebar-mobile { display: none !important; }
}

.filter-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: calc(var(--z-overlay) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base);
}

.filter-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 1024px) {
  .filter-backdrop { display: none !important; }
}

/* Desktop sidebar sticky */
.sidebar-sticky {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
  max-height: calc(100vh - var(--nav-height) - var(--space-12));
  overflow-y: auto;
  scrollbar-width: thin;
  display: none;
}

@media (min-width: 1024px) {
  .sidebar-sticky { display: block; }
}

/* ---- Product Grid ---- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .product-grid {
    gap: var(--space-5);
  }
}

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

@media (min-width: 1400px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---- Category Grid ---- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .category-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
  }
}

/* ---- Hero Layout ---- */
.hero {
  position: relative;
  min-height: 500px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero { min-height: 600px; }
}

@media (min-width: 1024px) {
  .hero { min-height: 700px; }
}

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

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(26, 26, 26, 0.75) 0%,
    rgba(26, 26, 26, 0.4) 50%,
    rgba(26, 26, 26, 0.1) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-text-inverse);
  max-width: 600px;
}

.hero-label {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  color: var(--color-primary-light);
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-3);
  border: 1px solid rgba(var(--color-primary-rgb), 0.3);
  border-radius: var(--radius-full);
}

.hero h1 {
  color: var(--color-text-inverse);
  margin-bottom: var(--space-5);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--fs-lg);
  opacity: 0.9;
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ---- Split Section ---- */
.split-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

@media (min-width: 768px) {
  .split-section {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.split-section.reverse .split-image {
  order: 1;
}

@media (min-width: 768px) {
  .split-section.reverse .split-image {
    order: -1;
  }
}

.split-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
}

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

.split-content {
  display: flex;
  flex-direction: column;
}

/* ---- Testimonials Grid ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Perks Grid ---- */
.perks-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .perks-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.perk-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all var(--duration-base) var(--ease-out);
}

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

.perk-icon {
  font-size: 48px;
  margin-bottom: var(--space-5);
}

.perk-card h4 {
  font-family: var(--font-heading);
  margin-bottom: var(--space-3);
}

.perk-card p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  margin: 0 auto;
}

/* ---- Newsletter Section ---- */
.newsletter-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  padding: var(--space-16) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.newsletter-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-full);
}

.newsletter-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-full);
}

.newsletter-content {
  position: relative;
  z-index: 1;
}

.newsletter-section h2 {
  color: white;
  margin-bottom: var(--space-3);
}

.newsletter-section p {
  color: rgba(255, 255, 255, 0.85);
  margin: 0 auto var(--space-8);
  font-size: var(--fs-lg);
}

.newsletter-form {
  display: flex;
  gap: var(--space-3);
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-4) var(--space-5);
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  color: white;
  font-size: var(--fs-base);
  backdrop-filter: blur(4px);
}

.newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.newsletter-form input:focus {
  outline: none;
  border-color: white;
  background: rgba(255, 255, 255, 0.25);
}

.newsletter-form button {
  padding: var(--space-4) var(--space-6);
  background: white;
  color: var(--color-primary-dark);
  font-family: var(--font-accent);
  font-weight: var(--fw-bold);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: all var(--duration-fast);
}

.newsletter-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* ---- How It Works ---- */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
  }

  .steps-grid::before {
    content: '';
    position: absolute;
    top: 44px;
    left: calc(16.67% + 24px);
    right: calc(16.67% + 24px);
    height: 2px;
    background: var(--color-border-light);
    z-index: 0;
  }
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  font-family: var(--font-accent);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  box-shadow: var(--shadow-glow);
}

.step-icon {
  font-size: 40px;
  margin-bottom: var(--space-4);
}

.step-card h4 {
  font-family: var(--font-heading);
  margin-bottom: var(--space-3);
}

.step-card p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin: 0 auto;
  max-width: 280px;
}

/* ---- Cart Layout ---- */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .cart-layout {
    grid-template-columns: 1fr 380px;
  }
}

.cart-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  align-items: center;
}

@media (min-width: 640px) {
  .cart-item {
    grid-template-columns: 100px 1fr auto auto;
    gap: var(--space-5);
  }
}

.cart-item-image {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-alt);
}

@media (min-width: 640px) {
  .cart-item-image {
    width: 100px;
    height: 100px;
  }
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-info {
  min-width: 0;
}

.cart-item-title {
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-1);
}

.cart-item-variant {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.cart-item-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

@media (min-width: 640px) {
  .cart-item-actions { margin-top: 0; }
}

.cart-item-remove {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  text-decoration: underline;
  cursor: pointer;
  transition: color var(--duration-fast);
}

.cart-item-remove:hover {
  color: var(--color-coral);
}

.cart-item-price {
  text-align: right;
}

/* Order Summary */
.order-summary {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
  height: fit-content;
}

.order-summary h3 {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  font-size: var(--fs-sm);
}

.summary-row.savings {
  color: var(--color-secondary);
  font-weight: var(--fw-medium);
}

.summary-row.total {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  padding-top: var(--space-4);
  margin-top: var(--space-4);
  border-top: 2px solid var(--color-border);
}

.promo-code {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-5);
  margin-bottom: var(--space-5);
}

.promo-code input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
}

.promo-code button {
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-alt);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-accent);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  transition: all var(--duration-fast);
}

.promo-code button:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ---- Checkout Layout ---- */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .checkout-layout {
    grid-template-columns: 1fr 400px;
  }
}

.checkout-form-section {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-6);
}

.checkout-form-section h3 {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
  .form-row.two-col {
    grid-template-columns: 1fr 1fr;
  }
}

/* ---- Profile Layout ---- */
.profile-header {
  background: linear-gradient(135deg, var(--color-dark-bg) 0%, #2A2520 100%);
  color: var(--color-text-inverse);
  padding: var(--space-12) 0;
  margin-bottom: var(--space-8);
}

.profile-header-content {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  border: 3px solid rgba(255, 255, 255, 0.2);
}

.profile-info h1 {
  font-size: var(--fs-3xl);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-2);
}

.profile-meta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: var(--fs-sm);
  color: var(--color-dark-text-muted);
}

.profile-tabs {
  display: flex;
  gap: var(--space-6);
  border-bottom: 2px solid var(--color-border-light);
  margin-bottom: var(--space-8);
  overflow-x: auto;
  scrollbar-width: none;
}

.profile-tabs::-webkit-scrollbar { display: none; }

.profile-tab {
  padding: var(--space-4) var(--space-2);
  font-family: var(--font-accent);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  white-space: nowrap;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--duration-fast);
}

.profile-tab:hover {
  color: var(--color-text);
}

.profile-tab.active {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

.profile-section {
  display: none;
}

.profile-section.active {
  display: block;
  animation: tab-fade 0.3s ease;
}

/* ---- Subscribe Hero ---- */
.subscribe-hero {
  background: linear-gradient(135deg, #1a3a5c 0%, #2d5f8a 50%, #3a7ab5 100%);
  color: white;
  padding: var(--space-20) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.subscribe-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
}

.subscribe-hero h1 {
  color: white;
  margin-bottom: var(--space-4);
}

.subscribe-hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-lg);
  margin: 0 auto var(--space-8);
}

/* ---- Savings Calculator ---- */
.savings-calc {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
}

.savings-result {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  margin-top: var(--space-6);
}

.savings-amount {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  color: var(--color-secondary);
  font-weight: var(--fw-bold);
}

/* ---- Mobile Filter Button ---- */
.mobile-filter-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-accent);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: all var(--duration-fast);
}

@media (min-width: 1024px) {
  .mobile-filter-btn { display: none; }
}

.mobile-filter-btn:hover {
  border-color: var(--color-primary);
}

/* ---- Shop Top Bar ---- */
.shop-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.shop-top-bar .result-count {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.shop-sort {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.shop-sort label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}

.shop-sort select {
  padding: var(--space-2) var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  background: var(--color-surface);
  min-width: 160px;
}