/* ============================================================
   Store Products — index & show
   Design system: deep blue primary, clean SaaS aesthetic
   ============================================================ */

:root {
  /* Brand palette */
  --sp-primary:          #1e40af;
  --sp-primary-mid:      #2563eb;
  --sp-primary-light:    #3b82f6;
  --sp-primary-pale:     #eff6ff;
  --sp-primary-dark:     #1e3a8a;

  --sp-teal:             #0d9488;
  --sp-teal-light:       #ccfbf1;

  --sp-accent:           #6366f1;
  --sp-accent-light:     #eef2ff;

  --sp-success:          #059669;
  --sp-success-light:    #d1fae5;

  --sp-danger:           #dc2626;
  --sp-danger-dark:      #b91c1c;
  --sp-danger-light:     #fef2f2;

  --sp-warning:          #d97706;
  --sp-warning-light:    #fef3c7;

  /* Neutrals */
  --sp-text:             #0f172a;
  --sp-text-secondary:   #334155;
  --sp-text-muted:       #64748b;
  --sp-text-subtle:      #94a3b8;

  --sp-bg:               #f8fafc;
  --sp-bg-subtle:        #f1f5f9;
  --sp-white:            #ffffff;

  --sp-border:           #e2e8f0;
  --sp-border-strong:    #cbd5e1;

  /* Shadows */
  --sp-shadow-xs:        0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --sp-shadow-sm:        0 2px 8px rgba(15, 23, 42, 0.07), 0 1px 4px rgba(15, 23, 42, 0.05);
  --sp-shadow-md:        0 4px 16px rgba(15, 23, 42, 0.09), 0 2px 8px rgba(15, 23, 42, 0.06);
  --sp-shadow-lg:        0 8px 32px rgba(15, 23, 42, 0.12), 0 4px 16px rgba(15, 23, 42, 0.08);
  --sp-shadow-hover:     0 12px 40px rgba(30, 64, 175, 0.18), 0 4px 16px rgba(30, 64, 175, 0.10);
  --sp-shadow-card-glow: 0 0 0 3px rgba(37, 99, 235, 0.12);

  /* Shape */
  --sp-radius-sm:        0.5rem;
  --sp-radius:           0.875rem;
  --sp-radius-lg:        1.25rem;
  --sp-radius-xl:        1.75rem;
  --sp-radius-pill:      999px;

  /* Typography scale */
  --sp-font-xs:          0.75rem;
  --sp-font-sm:          0.875rem;
  --sp-font-base:        1rem;
  --sp-font-lg:          1.125rem;
  --sp-font-xl:          1.25rem;
  --sp-font-2xl:         1.5rem;
  --sp-font-3xl:         1.875rem;
  --sp-font-4xl:         2.25rem;
  --sp-font-5xl:         3rem;

  /* Transitions */
  --sp-transition:       0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --sp-transition-slow:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   Page scaffold
   ============================================================ */

.sp-page {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}

/* ============================================================
   HERO  (index)
   ============================================================ */

.sp-hero {
  position: relative;
  text-align: center;
  padding: 5rem 1rem 4rem;
  overflow: hidden;
}

/* Decorative radial glow behind hero text */
.sp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 0%, rgba(30, 64, 175, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.sp-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--sp-primary-pale);
  color: var(--sp-primary-mid);
  font-size: var(--sp-font-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.85rem;
  border-radius: var(--sp-radius-pill);
  border: 1px solid rgba(37, 99, 235, 0.2);
  margin-bottom: 1.4rem;
}

.sp-hero__eyebrow i {
  font-size: 0.85rem;
}

.sp-hero__title {
  font-size: clamp(2rem, 5vw, var(--sp-font-5xl));
  font-weight: 800;
  color: var(--sp-text);
  margin: 0 0 1rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.sp-hero__title span {
  background: linear-gradient(135deg, var(--sp-primary) 0%, var(--sp-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sp-hero__subtitle {
  font-size: clamp(1rem, 2.5vw, var(--sp-font-lg));
  color: var(--sp-text-muted);
  max-width: 580px;
  margin: 0 auto 2.25rem;
  line-height: 1.7;
}

.sp-hero__pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
}

.sp-hero__pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--sp-white);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-pill);
  padding: 0.3rem 0.85rem;
  font-size: var(--sp-font-xs);
  font-weight: 600;
  color: var(--sp-text-secondary);
  box-shadow: var(--sp-shadow-xs);
}

.sp-hero__pill i {
  font-size: 0.9rem;
  color: var(--sp-primary-mid);
}

/* ============================================================
   PRODUCT GRID  (index)
   ============================================================ */

.sp-grid {
  display: grid;
  grid-template-columns: minmax(0, 560px);
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3.5rem;
}

/* ============================================================
   PRODUCT CARD  (index)
   ============================================================ */

.sp-card {
  position: relative;
  background: var(--sp-white);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-lg);
  box-shadow: var(--sp-shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow var(--sp-transition), transform var(--sp-transition);
}

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

/* Top gradient accent stripe */
.sp-card__accent {
  height: 5px;
  background: linear-gradient(90deg, var(--sp-primary) 0%, var(--sp-primary-light) 60%, var(--sp-teal) 100%);
  flex-shrink: 0;
}

.sp-card__body {
  padding: 1.75rem 1.75rem 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sp-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--sp-primary-pale);
  color: var(--sp-primary-mid);
  font-size: var(--sp-font-xs);
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: var(--sp-radius-pill);
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.sp-card__badge i { font-size: 0.8rem; }

.sp-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.sp-card__name {
  font-size: var(--sp-font-xl);
  font-weight: 700;
  color: var(--sp-text);
  margin: 0;
  line-height: 1.25;
}

.sp-card__price {
  text-align: right;
  flex-shrink: 0;
}

.sp-card__price-amount {
  display: block;
  font-size: var(--sp-font-2xl);
  font-weight: 800;
  color: var(--sp-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.sp-card__price-period {
  display: block;
  font-size: var(--sp-font-xs);
  color: var(--sp-text-muted);
  font-weight: 500;
  margin-top: 0.2rem;
}

.sp-card__excerpt {
  font-size: var(--sp-font-sm);
  color: var(--sp-text-muted);
  line-height: 1.65;
  margin: 0;
}

/* Mini feature bullets on card */
.sp-card__features {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.sp-card__feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--sp-font-sm);
  color: var(--sp-text-secondary);
}

.sp-card__feature i {
  font-size: 0.9rem;
  color: var(--sp-success);
  flex-shrink: 0;
}

.sp-card__actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding: 1.5rem 1.75rem 1.75rem;
}

/* ============================================================
   TRUST STRIP  (below grid, index)
   ============================================================ */

.sp-trust {
  border-top: 1px solid var(--sp-border);
  padding-top: 3rem;
  text-align: center;
}

.sp-trust__label {
  font-size: var(--sp-font-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sp-text-subtle);
  margin-bottom: 1.75rem;
}

.sp-trust__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem 2.5rem;
}

.sp-trust__item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: var(--sp-font-sm);
  font-weight: 600;
  color: var(--sp-text-secondary);
}

.sp-trust__item i {
  font-size: 1.25rem;
  color: var(--sp-primary-mid);
  flex-shrink: 0;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */

.sp-empty {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--sp-text-muted);
}

.sp-empty__icon {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background: var(--sp-bg-subtle);
  border: 1px solid var(--sp-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.sp-empty__icon i {
  font-size: 2rem;
  color: var(--sp-text-subtle);
}

.sp-empty p {
  font-size: var(--sp-font-base);
  max-width: 360px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================================
   SHOW PAGE — two-column layout
   ============================================================ */

.sp-detail-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 3rem;
  align-items: start;
  padding-top: 2.5rem;
}

/* LEFT column */
.sp-detail-main {
  min-width: 0;
}

/* RIGHT column — sticky purchase panel */
.sp-detail-sidebar {
  position: sticky;
  top: 1.5rem;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */

.sp-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--sp-font-sm);
  color: var(--sp-text-muted);
  margin-bottom: 2.25rem;
}

.sp-breadcrumb__link {
  color: var(--sp-primary-mid);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--sp-transition);
}

.sp-breadcrumb__link:hover { color: var(--sp-primary-dark); text-decoration: underline; }

.sp-breadcrumb i { font-size: 1rem; color: var(--sp-border-strong); }

.sp-breadcrumb__current {
  color: var(--sp-text-secondary);
  font-weight: 500;
}

/* ============================================================
   DETAIL HEADER — left column
   ============================================================ */

.sp-detail__meta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.sp-detail__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--sp-primary-pale);
  color: var(--sp-primary-mid);
  font-size: var(--sp-font-xs);
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: var(--sp-radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.sp-detail__version {
  font-size: var(--sp-font-xs);
  color: var(--sp-text-muted);
  background: var(--sp-bg-subtle);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-sm);
  padding: 0.2rem 0.5rem;
  font-weight: 600;
  font-family: ui-monospace, "SF Mono", monospace;
}

.sp-detail__title {
  font-size: clamp(1.6rem, 4vw, var(--sp-font-4xl));
  font-weight: 800;
  color: var(--sp-text);
  margin: 0 0 1.5rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ============================================================
   DETAIL SECTIONS — left column
   ============================================================ */

.sp-divider {
  border: none;
  border-top: 1px solid var(--sp-border);
  margin: 2.25rem 0;
}

.sp-detail__section {
  margin-bottom: 2.5rem;
}

.sp-detail__section-title {
  font-size: var(--sp-font-base);
  font-weight: 700;
  color: var(--sp-text);
  margin: 0 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--sp-font-xs);
  color: var(--sp-text-muted);
}

.sp-detail__section-title i {
  font-size: 1rem;
  color: var(--sp-primary-mid);
  flex-shrink: 0;
}

.sp-detail__description {
  font-size: var(--sp-font-base);
  color: var(--sp-text-secondary);
  line-height: 1.8;
}

.sp-detail__description p { margin-bottom: 0.85rem; }
.sp-detail__description p:last-child { margin-bottom: 0; }

/* ============================================================
   WHAT YOU GET — icon blocks
   ============================================================ */

.sp-what-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.sp-what-block {
  background: var(--sp-bg);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: border-color var(--sp-transition), box-shadow var(--sp-transition);
}

.sp-what-block:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: var(--sp-shadow-xs);
}

.sp-what-block__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--sp-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sp-what-block__icon--blue   { background: var(--sp-primary-pale);  color: var(--sp-primary-mid); }
.sp-what-block__icon--teal   { background: var(--sp-teal-light);     color: var(--sp-teal); }
.sp-what-block__icon--indigo { background: var(--sp-accent-light);   color: var(--sp-accent); }
.sp-what-block__icon--green  { background: var(--sp-success-light);  color: var(--sp-success); }
.sp-what-block__icon--amber  { background: var(--sp-warning-light);  color: var(--sp-warning); }

.sp-what-block__icon i { font-size: 1.15rem; }

.sp-what-block__text strong {
  display: block;
  font-size: var(--sp-font-sm);
  font-weight: 700;
  color: var(--sp-text);
  margin-bottom: 0.2rem;
}

.sp-what-block__text span {
  font-size: var(--sp-font-xs);
  color: var(--sp-text-muted);
  line-height: 1.5;
}

/* ============================================================
   FEATURE LIST — grouped
   ============================================================ */

.sp-feature-group {
  margin-bottom: 1.75rem;
}

.sp-feature-group:last-child { margin-bottom: 0; }

.sp-feature-group__label {
  font-size: var(--sp-font-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sp-text-subtle);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--sp-border);
}

.sp-feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.sp-feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: var(--sp-font-sm);
  color: var(--sp-text-secondary);
  line-height: 1.5;
}

.sp-feature-list__item i {
  font-size: 1rem;
  color: var(--sp-success);
  flex-shrink: 0;
  margin-top: 0.05rem;
}

/* ============================================================
   PLATFORM NOTE
   ============================================================ */

.sp-platform-note {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: linear-gradient(135deg, var(--sp-primary-pale) 0%, #f0f9ff 100%);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: var(--sp-radius);
  padding: 1.25rem 1.4rem;
}

.sp-platform-note > i {
  font-size: 1.5rem;
  color: var(--sp-primary-mid);
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.sp-platform-note strong {
  display: block;
  color: var(--sp-text);
  font-weight: 700;
  margin-bottom: 0.3rem;
  font-size: var(--sp-font-sm);
}

.sp-platform-note p {
  margin: 0;
  font-size: var(--sp-font-sm);
  color: var(--sp-text-muted);
  line-height: 1.55;
}

/* ============================================================
   PURCHASE PANEL (sticky sidebar — show page)
   ============================================================ */

.sp-panel {
  background: var(--sp-white);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-lg);
  box-shadow: var(--sp-shadow-md);
  overflow: hidden;
}

/* Gradient header strip of panel */
.sp-panel__header {
  background: linear-gradient(135deg, var(--sp-primary) 0%, var(--sp-primary-mid) 100%);
  padding: 1.5rem 1.5rem 1.25rem;
  color: var(--sp-white);
}

.sp-panel__plan-label {
  font-size: var(--sp-font-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.75;
  margin-bottom: 0.4rem;
}

.sp-panel__title {
  font-size: var(--sp-font-lg);
  font-weight: 700;
  margin: 0 0 1.25rem;
  line-height: 1.3;
}

.sp-panel__price-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.sp-panel__price-amount {
  font-size: var(--sp-font-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.sp-panel__price-period {
  font-size: var(--sp-font-sm);
  opacity: 0.75;
  font-weight: 500;
}

.sp-panel__body {
  padding: 1.5rem;
}

/* In-cart notice within panel */
.sp-panel__in-cart {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--sp-success-light);
  border: 1px solid rgba(5, 150, 105, 0.25);
  border-radius: var(--sp-radius-sm);
  padding: 0.65rem 0.9rem;
  font-size: var(--sp-font-sm);
  font-weight: 600;
  color: var(--sp-success);
  margin-bottom: 1rem;
}

.sp-panel__in-cart i { font-size: 1rem; flex-shrink: 0; }

/* CTA buttons inside panel */
.sp-panel__actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.sp-panel__value-prop {
  font-size: var(--sp-font-xs);
  color: var(--sp-text-muted);
  text-align: center;
  line-height: 1.5;
  padding: 0 0.25rem;
}

/* Trust badges inside panel */
.sp-panel__badges {
  border-top: 1px solid var(--sp-border);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.sp-panel__badge-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--sp-font-xs);
  color: var(--sp-text-muted);
  font-weight: 500;
}

.sp-panel__badge-item i {
  font-size: 0.95rem;
  color: var(--sp-primary-mid);
  flex-shrink: 0;
  width: 1rem;
  text-align: center;
}

/* ============================================================
   TRUST BADGES ROW — show page (below content on mobile)
   ============================================================ */

.sp-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2.5rem;
}

.sp-badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--sp-bg-subtle);
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius-pill);
  padding: 0.35rem 0.85rem;
  font-size: var(--sp-font-xs);
  font-weight: 600;
  color: var(--sp-text-secondary);
}

.sp-badge-chip i {
  font-size: 0.9rem;
  color: var(--sp-primary-mid);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.sp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.575rem 1.2rem;
  border-radius: var(--sp-radius-sm);
  font-size: var(--sp-font-sm);
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition:
    background var(--sp-transition),
    color var(--sp-transition),
    border-color var(--sp-transition),
    box-shadow var(--sp-transition),
    transform var(--sp-transition);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.sp-btn:active { transform: scale(0.97); }

/* Size modifier */
.sp-btn--lg {
  padding: 0.75rem 1.6rem;
  font-size: var(--sp-font-base);
  border-radius: var(--sp-radius);
}

.sp-btn--full {
  width: 100%;
}

/* Variants */
.sp-btn--primary {
  background: linear-gradient(135deg, var(--sp-primary-mid) 0%, var(--sp-primary) 100%);
  color: var(--sp-white);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.sp-btn--primary:hover {
  background: linear-gradient(135deg, var(--sp-primary) 0%, var(--sp-primary-dark) 100%);
  color: var(--sp-white);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.45);
}

.sp-btn--secondary {
  background: var(--sp-bg-subtle);
  color: var(--sp-text-secondary);
  border: 1px solid var(--sp-border);
}

.sp-btn--secondary:hover {
  background: var(--sp-border);
  color: var(--sp-text);
}

.sp-btn--outline {
  background: transparent;
  color: var(--sp-primary-mid);
  border: 1.5px solid var(--sp-primary-mid);
}

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

.sp-btn--remove {
  background: linear-gradient(135deg, #ef4444 0%, var(--sp-danger) 100%);
  color: var(--sp-white);
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.3);
}

.sp-btn--remove:hover {
  background: linear-gradient(135deg, var(--sp-danger) 0%, var(--sp-danger-dark) 100%);
  color: var(--sp-white);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
}

.sp-btn--ghost {
  background: transparent;
  color: var(--sp-text-muted);
  border: 1px solid transparent;
}

.sp-btn--ghost:hover {
  background: var(--sp-bg-subtle);
  color: var(--sp-text-secondary);
  border-color: var(--sp-border);
}

/* button_to generates a form — strip default form styling */
.sp-btn form,
form.sp-btn { display: inline; }

/* ============================================================
   BOTTOM CTA AREA — detail page (mobile / single-column)
   ============================================================ */

.sp-detail__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.sp-detail__cta--bottom {
  margin-top: 2.5rem;
  margin-bottom: 0;
  padding-top: 2rem;
  border-top: 1px solid var(--sp-border);
}

.sp-detail__in-cart-notice {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--sp-font-sm);
  font-weight: 600;
  color: var(--sp-success);
  width: 100%;
  margin-bottom: 0.25rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet — collapse sidebar to single column */
@media (max-width: 900px) {
  .sp-detail-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .sp-detail-sidebar {
    position: static;
    order: -1; /* panel above content on tablet/mobile */
  }

  .sp-panel {
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .sp-page {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .sp-hero {
    padding: 3rem 0.5rem 2.5rem;
  }

  .sp-hero__title { font-size: 1.85rem; }

  .sp-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .sp-card__actions {
    flex-direction: column;
  }

  .sp-what-grid {
    grid-template-columns: 1fr;
  }

  .sp-detail__title { font-size: 1.6rem; }

  .sp-detail__cta,
  .sp-detail__cta--bottom {
    flex-direction: column;
    align-items: stretch;
  }

  .sp-btn { justify-content: center; }

  .sp-trust__grid { gap: 1rem 1.5rem; }

  .sp-badges-row { gap: 0.5rem; }
}

@media (max-width: 400px) {
  .sp-panel__price-amount { font-size: var(--sp-font-3xl); }
}