/* ============================================
   ARSES Buyer Guide — Editorial Onboarding
   Premium landing-page experience
   ============================================ */

.bg {
  padding-top: var(--header-height);
  overflow-x: hidden;
}

.bg-text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, #37b8e0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.bg strong { color: var(--text); font-weight: 600; }

.bg a:not(.btn):not(.bg-explore-card) {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}
.bg a:not(.btn):not(.bg-explore-card):hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.bg .section { position: relative; }
.bg .section__header p { max-width: 560px; margin: 0 auto; }

/* ============================================================
   SECTION 1 — HERO
   ============================================================ */

.bg-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 8vw, 96px) 0 clamp(64px, 10vw, 120px);
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
}

.bg-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.bg-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.bg-hero__glow--a {
  width: 600px; height: 600px;
  top: -180px; right: -120px;
  background: radial-gradient(circle, rgba(31, 122, 92, 0.18) 0%, transparent 70%);
}

.bg-hero__glow--b {
  width: 480px; height: 480px;
  bottom: -100px; left: -140px;
  background: radial-gradient(circle, rgba(55, 184, 224, 0.14) 0%, transparent 70%);
}

.bg-hero__glow--c {
  width: 300px; height: 300px;
  top: 40%; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(31, 122, 92, 0.08) 0%, transparent 70%);
}

.bg-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 122, 92, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 122, 92, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, #000 15%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 45%, #000 15%, transparent 100%);
}

.bg-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.bg-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.bg-hero__badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--primary);
  animation: bg-pulse 2.4s ease-in-out infinite;
}

@keyframes bg-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.bg-hero__title {
  margin: var(--space-2) 0;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  max-width: 14ch;
}

.bg-hero__subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  line-height: 1.75;
  max-width: 48ch;
  margin-bottom: var(--space-4);
}

.bg-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Hero scene + parallax */
.bg-hero__visual {
  display: flex;
  justify-content: center;
}

.bg-hero-scene {
  position: relative;
  width: 100%;
  max-width: 560px;
  aspect-ratio: 560 / 520;
}

.bg-hero-scene__layer {
  width: 100%;
  will-change: transform;
}

.bg-hero-scene__svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 24px 48px rgba(31, 122, 92, 0.08));
}

.bg-float {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-dark);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(31, 122, 92, 0.1);
  border-radius: 100px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  white-space: nowrap;
  will-change: transform;
  animation: bg-chip-float 6s ease-in-out infinite;
}

.bg-float svg { color: var(--primary); flex-shrink: 0; }

.bg-float--1 { top: 6%; left: -2%; animation-delay: 0s; }
.bg-float--2 { top: 18%; right: -4%; animation-delay: 1.4s; }
.bg-float--3 { bottom: 32%; left: -6%; animation-delay: 2.8s; }
.bg-float--4 { bottom: 16%; right: -2%; animation-delay: 0.7s; }
.bg-float--5 { top: 42%; right: -8%; animation-delay: 2.1s; }

@keyframes bg-chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@media (min-width: 768px) {
  .bg-hero__inner { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   SECTION 2 — BUYER JOURNEY
   ============================================================ */

.bg-journey {
  background: var(--card);
  padding: clamp(64px, 10vw, 120px) 0;
}

.bg-journey__track {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bg-journey__step {
  width: 100%;
  padding: var(--space-4);
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.bg-journey__step:hover,
.bg-journey__step.is-hovered {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: rgba(31, 122, 92, 0.25);
}

.bg-journey__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.bg-journey__step h3 {
  font-size: 1.125rem;
  color: var(--text);
  margin-bottom: 8px;
}

.bg-journey__step p {
  font-size: 0.9375rem;
  line-height: 1.65;
  max-width: 36ch;
  margin: 0 auto;
}

.bg-journey__arrow {
  display: block;
  font-size: 1.25rem;
  color: var(--primary);
  opacity: 0.4;
  padding: var(--space-1) 0;
  line-height: 1;
}

@media (min-width: 1024px) {
  .bg-journey__track {
    max-width: none;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    align-items: stretch;
  }

  .bg-journey__step {
    flex: 0 1 calc(14% - 12px);
    min-width: 140px;
    padding: var(--space-3);
  }

  .bg-journey__arrow {
    display: none;
  }
}

/* ============================================================
   SECTION 3 — MARKETPLACE OVERVIEW
   ============================================================ */

.bg-explore {
  padding: clamp(64px, 10vw, 120px) 0;
}

.bg-explore__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.bg-explore-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  min-height: 200px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease;
}

.bg-explore-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.08;
  transition: opacity 0.35s ease;
}

.bg-explore-card:hover,
.bg-explore-card.is-hovered {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.bg-explore-card:hover::before,
.bg-explore-card.is-hovered::before { opacity: 0.14; }

.bg-explore-card--green { background: linear-gradient(145deg, #e8f5ef 0%, #d6f0e3 100%); }
.bg-explore-card--green::before { background: var(--primary); }
.bg-explore-card--blue { background: linear-gradient(145deg, #e8f4fc 0%, #d6ecf8 100%); }
.bg-explore-card--blue::before { background: #37b8e0; }
.bg-explore-card--amber { background: linear-gradient(145deg, #fef6e8 0%, #fdeed6 100%); }
.bg-explore-card--amber::before { background: #d97706; }
.bg-explore-card--purple { background: linear-gradient(145deg, #f0ebfe 0%, #e4dcf8 100%); }
.bg-explore-card--purple::before { background: #7c3aed; }
.bg-explore-card--slate { background: linear-gradient(145deg, #f1f3f5 0%, #e2e6ea 100%); }
.bg-explore-card--slate::before { background: #475569; }
.bg-explore-card--rose { background: linear-gradient(145deg, #fef0f0 0%, #fde0e0 100%); }
.bg-explore-card--rose::before { background: #e11d48; }
.bg-explore-card--orange { background: linear-gradient(145deg, #fff4eb 0%, #ffe8d6 100%); }
.bg-explore-card--orange::before { background: #ea580c; }
.bg-explore-card--teal { background: linear-gradient(145deg, #e8faf8 0%, #d6f2ee 100%); }
.bg-explore-card--teal::before { background: #0d9488; }
.bg-explore-card--indigo { background: linear-gradient(145deg, #eef0fe 0%, #dfe3f8 100%); }
.bg-explore-card--indigo::before { background: #4f46e5; }
.bg-explore-card--cyan { background: linear-gradient(145deg, #e8fafc 0%, #d6f0f4 100%); }
.bg-explore-card--cyan::before { background: #0891b2; }

.bg-explore-card__icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  margin-bottom: var(--space-3);
  color: var(--primary-dark);
}

.bg-explore-card h3 {
  position: relative;
  z-index: 1;
  font-size: 1.125rem;
  color: var(--text);
  margin-bottom: 8px;
}

.bg-explore-card p {
  position: relative;
  z-index: 1;
  font-size: 0.875rem;
  line-height: 1.6;
  flex: 1;
}

.bg-explore-card__arrow {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--primary);
  margin-top: var(--space-2);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.bg-explore-card:hover .bg-explore-card__arrow {
  background: var(--primary);
  color: #fff;
  transform: translateX(3px);
}

.bg-explore-card__soon {
  position: relative;
  z-index: 1;
  display: inline-block;
  margin-top: var(--space-2);
  padding: 4px 12px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.6);
  border-radius: 100px;
}

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

@media (min-width: 1024px) {
  .bg-explore__grid { grid-template-columns: repeat(5, 1fr); }
  .bg-explore-card { min-height: 220px; }
}

.bg-explore__grid--industries {
  grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
  .bg-explore__grid--industries { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .bg-explore__grid--industries { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   SECTION 4 — AI (DARK)
   ============================================================ */

.bg-ai {
  position: relative;
  overflow: hidden;
  background: #0f1117;
  color: #c8cdd6;
  padding: clamp(80px, 12vw, 140px) 0;
}

.bg-ai__glow {
  position: absolute;
  top: 50%; left: 50%;
  width: 600px; height: 600px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 122, 92, 0.15) 0%, rgba(55, 184, 224, 0.08) 40%, transparent 70%);
  pointer-events: none;
  animation: bg-ai-glow 8s ease-in-out infinite;
}

@keyframes bg-ai-glow {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.bg-ai__inner { position: relative; z-index: 1; }

.bg-ai__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-6);
}

.bg-ai__badge {
  color: #37b8e0 !important;
  border-color: rgba(55, 184, 224, 0.4) !important;
  background: transparent !important;
}

.bg-ai__header h2 {
  color: #f0f2f5;
  margin-bottom: var(--space-2);
}

.bg-ai__header p {
  font-size: 1.0625rem;
  color: #7b8494;
}

.bg-ai__layout {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.bg-ai__visual {
  display: flex;
  justify-content: center;
}

.bg-ai-node {
  position: relative;
  width: 200px; height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bg-ai-node__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(55, 184, 224, 0.2);
  animation: bg-ring-pulse 4s ease-in-out infinite;
}

.bg-ai-node__ring--1 { width: 100%; height: 100%; animation-delay: 0s; }
.bg-ai-node__ring--2 { width: 75%; height: 75%; animation-delay: 0.8s; border-color: rgba(31, 122, 92, 0.25); }
.bg-ai-node__ring--3 { width: 50%; height: 50%; animation-delay: 1.6s; }

@keyframes bg-ring-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.bg-ai-node__core {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-dark), #228b63);
  color: #fff;
  box-shadow: 0 0 40px rgba(31, 122, 92, 0.4), 0 0 80px rgba(55, 184, 224, 0.15);
}

.bg-ai__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.bg-ai-card {
  padding: var(--space-3);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.bg-ai-card:hover,
.bg-ai-card.is-hovered {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(55, 184, 224, 0.25);
  transform: translateY(-2px);
}

.bg-ai-card svg { color: #37b8e0; margin-bottom: 10px; }

.bg-ai-card h3 {
  font-size: 0.9375rem;
  color: #f0f2f5;
  margin-bottom: 4px;
}

.bg-ai-card p {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: #7b8494;
}

.bg-ai__disclaimer {
  text-align: center;
  font-size: 0.8125rem;
  color: #7b8494;
  margin-top: var(--space-5);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .bg-ai__layout { grid-template-columns: 240px 1fr; }
  .bg-ai__grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
}

@media (min-width: 1024px) {
  .bg-ai__grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   SECTION 5 — SELLER
   ============================================================ */

.bg-seller {
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--card);
}

.bg-seller__cards {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.bg-seller-card {
  padding: var(--space-5);
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.bg-seller-card:hover,
.bg-seller-card.is-hovered {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(31, 122, 92, 0.2);
}

.bg-seller-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  border-radius: 18px;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: var(--space-3);
}

.bg-seller-card h3 {
  font-size: 1.1875rem;
  color: var(--text);
  margin-bottom: var(--space-1);
}

.bg-seller-card p {
  font-size: 0.9375rem;
  line-height: 1.65;
  max-width: 36ch;
  margin: 0 auto;
}

.bg-checklist {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
}

.bg-checklist__title {
  font-size: 1.0625rem;
  color: var(--text);
  margin-bottom: var(--space-3);
  text-align: center;
}

.bg-checklist__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.bg-checklist__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.5;
}

.bg-checklist__list svg {
  color: var(--primary);
  flex-shrink: 0;
}

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

/* ============================================================
   SECTION 6 — COMPARE UI
   ============================================================ */

.bg-compare {
  padding: clamp(64px, 10vw, 120px) 0;
}

.bg-compare-ui {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.bg-compare-ui__products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.bg-compare-product {
  text-align: center;
  padding: var(--space-3);
  background: var(--background);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.bg-compare-product__img svg {
  width: 80px; height: 80px;
  margin: 0 auto var(--space-2);
}

.bg-compare-product__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.bg-compare-product__seller {
  font-size: 0.75rem;
  color: var(--muted);
}

.bg-compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-3);
  font-size: 0.875rem;
}

.bg-compare-table th,
.bg-compare-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.bg-compare-table th {
  font-weight: 600;
  color: var(--text);
  background: var(--background);
  font-size: 0.8125rem;
}

.bg-compare-table td {
  color: var(--muted);
}

.bg-compare-table td:first-child {
  font-weight: 500;
  color: var(--text);
  width: 30%;
}

.bg-compare-table__best {
  color: var(--primary) !important;
  font-weight: 600;
}

.bg-compare-ai {
  padding: var(--space-3);
  background: linear-gradient(135deg, rgba(31, 122, 92, 0.06), rgba(55, 184, 224, 0.04));
  border: 1px solid rgba(31, 122, 92, 0.12);
  border-radius: var(--radius);
}

.bg-compare-ai__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 100px;
  margin-bottom: 10px;
}

.bg-compare-ai p {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--muted);
}

.bg-compare__note {
  text-align: center;
  font-size: 0.8125rem;
  font-style: italic;
  color: var(--muted);
  margin-top: var(--space-3);
}

@media (min-width: 768px) {
  .bg-compare-ui { padding: var(--space-5); }
}

/* ============================================================
   SECTION 7 — DELIVERY FLOW
   ============================================================ */

.bg-delivery {
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--card);
}

.bg-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.bg-flow__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-3) var(--space-4);
  min-width: 120px;
  transition: transform var(--transition);
}

.bg-flow__step:hover,
.bg-flow__step.is-hovered {
  transform: scale(1.05);
}

.bg-flow__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: var(--space-1);
}

.bg-flow__step h3 {
  font-size: 0.9375rem;
  color: var(--text);
  margin-bottom: 2px;
}

.bg-flow__step p {
  font-size: 0.8125rem;
  color: var(--muted);
}

.bg-flow__connector {
  display: block;
  width: 2px;
  height: 32px;
  background: linear-gradient(180deg, var(--primary), rgba(55, 184, 224, 0.4));
  opacity: 0.3;
}

@media (min-width: 768px) {
  .bg-flow {
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
  }

  .bg-flow__connector {
    width: 48px;
    height: 2px;
    margin-top: 28px;
    background: linear-gradient(90deg, var(--primary), rgba(55, 184, 224, 0.4));
  }
}

/* ============================================================
   SECTION 8 — MULTI-SELLER
   ============================================================ */

.bg-multi {
  padding: clamp(64px, 10vw, 120px) 0;
}

.bg-multi__diagram {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bg-multi__row {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}

.bg-multi__row--sellers,
.bg-multi__row--deliveries {
  gap: var(--space-2);
}

.bg-multi__node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: var(--space-3);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 100px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.bg-multi__node:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.bg-multi__node svg { color: var(--primary); }

.bg-multi__node span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
}

.bg-multi__node--buyer {
  padding: var(--space-4);
  border-color: rgba(31, 122, 92, 0.25);
  background: var(--primary-light);
}

.bg-multi__node--history {
  padding: var(--space-4);
  border-color: rgba(55, 184, 224, 0.25);
  background: rgba(55, 184, 224, 0.06);
}

.bg-multi__connectors {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-1) 0;
}

.bg-multi__connectors span {
  display: block;
  width: 2px;
  height: 28px;
  background: linear-gradient(180deg, var(--primary), rgba(55, 184, 224, 0.3));
  opacity: 0.35;
}

.bg-multi__connectors--merge {
  gap: 0;
}

.bg-multi__connectors--merge span {
  height: 32px;
}

@media (max-width: 600px) {
  .bg-multi__row--sellers,
  .bg-multi__row--deliveries {
    flex-wrap: wrap;
  }

  .bg-multi__node { min-width: 80px; padding: var(--space-2); }
  .bg-multi__node span { font-size: 0.6875rem; }
}

/* ============================================================
   SECTION 9 — RETURNS
   ============================================================ */

.bg-returns {
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--card);
}

.bg-returns__grid {
  display: grid;
  gap: var(--space-3);
}

.bg-returns-card {
  position: relative;
  padding: var(--space-4);
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.bg-returns-card:hover,
.bg-returns-card.is-hovered {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(59, 130, 246, 0.2);
}

.bg-returns-card__num {
  position: absolute;
  top: 16px; right: 16px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #3b82f6;
  opacity: 0.5;
}

.bg-returns-card__icon { margin-bottom: var(--space-2); }

.bg-returns-card h3 {
  font-size: 1.0625rem;
  color: var(--text);
  margin-bottom: 8px;
}

.bg-returns-card p {
  font-size: 0.875rem;
  line-height: 1.65;
}

.bg-returns__note {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: var(--space-4);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .bg-returns__grid { grid-template-columns: repeat(4, 1fr); }
}

/* ============================================================
   SECTION 10 — SAFETY (DARK)
   ============================================================ */

.bg-safety {
  position: relative;
  overflow: hidden;
  background: #0f1117;
  color: #c8cdd6;
  padding: clamp(80px, 12vw, 140px) 0;
}

.bg-safety__glow {
  position: absolute;
  top: 20%; right: -10%;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 122, 92, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.bg-safety__inner { position: relative; z-index: 1; }

.bg-safety__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  max-width: 640px;
}

.bg-safety__shield {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 96px; height: 96px;
  border-radius: 24px;
  background: rgba(31, 122, 92, 0.12);
  color: var(--primary);
  flex-shrink: 0;
}

.bg-safety__badge {
  color: var(--primary) !important;
  border-color: rgba(31, 122, 92, 0.4) !important;
  background: transparent !important;
}

.bg-safety__header h2 {
  color: #f0f2f5;
  margin-bottom: var(--space-1);
}

.bg-safety__header p {
  color: #7b8494;
  font-size: 1.0625rem;
}

.bg-safety__grid {
  display: grid;
  gap: var(--space-3);
}

.bg-safety-card {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.bg-safety-card:hover,
.bg-safety-card.is-hovered {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(31, 122, 92, 0.3);
  transform: translateY(-2px);
}

.bg-safety-card svg { color: var(--primary); margin-bottom: 12px; }

.bg-safety-card h3 {
  font-size: 1rem;
  color: #f0f2f5;
  margin-bottom: 6px;
}

.bg-safety-card p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #7b8494;
}

@media (min-width: 768px) {
  .bg-safety__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .bg-safety__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   SECTION 11 — INTERNATIONAL
   ============================================================ */

.bg-global {
  padding: clamp(64px, 10vw, 120px) 0;
}

.bg-global__layout {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.bg-global__map svg {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  display: block;
}

.bg-global__cards {
  display: grid;
  gap: var(--space-2);
}

.bg-global-card {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-3);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.bg-global-card:hover {
  border-color: rgba(31, 122, 92, 0.2);
  transform: translateX(4px);
}

.bg-global-card svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.bg-global-card h3 {
  font-size: 0.9375rem;
  color: var(--text);
  margin-bottom: 4px;
}

.bg-global-card p {
  font-size: 0.8125rem;
  line-height: 1.55;
}

@media (min-width: 768px) {
  .bg-global__layout { grid-template-columns: 1fr 1fr; }
  .bg-global__cards { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION 12 — FAQ
   ============================================================ */

.bg-faq {
  padding: clamp(64px, 10vw, 120px) 0;
  background: var(--card);
}

.bg-faq__list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.bg-faq__item {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.bg-faq__item[open] {
  border-color: rgba(31, 122, 92, 0.25);
  box-shadow: var(--shadow-sm);
}

.bg-faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}

.bg-faq__question::-webkit-details-marker { display: none; }

.bg-faq__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  line-height: 1;
}

.bg-faq__item[open] .bg-faq__question::after {
  transform: rotate(45deg);
}

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

.bg-faq__answer {
  padding: 0 var(--space-4) var(--space-4);
  animation: bg-faq-open 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes bg-faq-open {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.bg-faq__answer p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ============================================================
   SECTION 13 — CTA
   ============================================================ */

.bg-cta {
  padding: clamp(48px, 8vw, 80px) 0 clamp(64px, 10vw, 96px);
}

.bg-cta__card {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 6vw, 64px);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 45%, #228b63 100%);
}

.bg-cta__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.bg-cta__glow--a {
  width: 360px; height: 360px;
  top: -120px; right: -80px;
  background: rgba(55, 184, 224, 0.25);
}

.bg-cta__glow--b {
  width: 280px; height: 280px;
  bottom: -100px; left: -60px;
  background: rgba(255, 255, 255, 0.06);
}

.bg-cta__layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.bg-cta__visual svg {
  width: 100%;
  max-width: 200px;
  margin: 0 auto;
  display: block;
}

.bg-cta__content h2 {
  color: #fff;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}

.bg-cta__content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: var(--space-4);
  max-width: 48ch;
}

.bg-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.bg-btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.bg-btn-light:hover {
  background: #f0faf5;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
}

.bg-btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.bg-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

@media (min-width: 768px) {
  .bg-cta__layout { grid-template-columns: 200px 1fr; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .bg-hero__badge-dot,
  .bg-float,
  .bg-ai__glow,
  .bg-ai-node__ring,
  .bg-faq__answer {
    animation: none;
  }

  .bg-journey__step:hover,
  .bg-explore-card:hover,
  .bg-seller-card:hover,
  .bg-returns-card:hover,
  .bg-safety-card:hover,
  .bg-flow__step:hover {
    transform: none;
  }
}