.seller-signup-page {
  background:
    radial-gradient(circle at top left, rgba(18, 98, 219, 0.22), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(11, 61, 145, 0.16), transparent 22%),
    linear-gradient(180deg, #f2f7ff 0%, #e8f0fb 100%);
}

.seller-signup-hero {
  position: relative;
  overflow: hidden;
}

.seller-signup-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(31, 120, 255, 0.18), transparent 24%),
    radial-gradient(circle at 85% 12%, rgba(11, 61, 145, 0.22), transparent 20%);
  pointer-events: none;
}

.seller-signup-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 24px;
  align-items: center;
  padding-top: 18px;
}

.seller-signup-copy {
  padding: 34px 0 18px;
}

.seller-signup-eyebrow {
  background: rgba(15, 79, 183, 0.14);
  border-color: rgba(15, 79, 183, 0.16);
  color: var(--brand-900);
}

.seller-signup-copy h1 {
  margin: 18px 0 14px;
  max-width: 11ch;
  color: #0e2d57;
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.seller-signup-lead {
  max-width: 56ch;
  margin: 0;
  color: #476482;
  font-size: 1.08rem;
  line-height: 1.7;
}

.seller-signup-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.seller-signup-primary {
  min-height: 52px;
  padding: 0 24px;
  background: linear-gradient(135deg, #0b3d91, #1262db);
  box-shadow: 0 18px 42px rgba(15, 79, 183, 0.24);
}

.seller-signup-secondary {
  min-height: 52px;
  padding: 0 22px;
  background: rgba(255, 255, 255, 0.82);
}

.seller-signup-simulator-button {
  display: inline-flex;
  min-height: 52px;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #10b981, #0f4fb7);
  color: #ffffff;
  box-shadow: 0 18px 42px rgba(16, 185, 129, 0.24);
  transform: translateY(0);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease;
}

.seller-signup-simulator-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px rgba(16, 185, 129, 0.3);
}

.seller-signup-simulator-button span {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.78;
}

.seller-signup-simulator-button strong {
  font-size: 0.98rem;
  font-weight: 900;
}

.seller-signup-scarcity {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.seller-signup-scarcity-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 79, 183, 0.12);
  color: #173154;
  font-size: 0.88rem;
  font-weight: 800;
}

.seller-signup-showcase {
  display: grid;
  gap: 16px;
}

.seller-signup-showcase-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid rgba(197, 214, 235, 0.95);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 24px 50px rgba(14, 39, 74, 0.1);
}

.seller-signup-showcase-card::after {
  content: "";
  position: absolute;
  inset: auto -26px -30px auto;
  width: 120px;
  height: 120px;
  border-radius: 34px;
  background: radial-gradient(circle, rgba(31, 120, 255, 0.14), transparent 70%);
}

.seller-signup-card-label {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--brand-800);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.seller-signup-benefit-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.seller-signup-benefit-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #173154;
  font-size: 1rem;
  font-weight: 700;
}

.seller-signup-benefit-list li::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0f4fb7, #1f78ff);
  box-shadow: 0 0 0 7px rgba(31, 120, 255, 0.12);
  flex: 0 0 auto;
}

.seller-signup-showcase-quote strong {
  display: block;
  color: #0f2f55;
  font-size: 1.45rem;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.seller-signup-showcase-quote p {
  margin: 10px 0 0;
  color: #5e7693;
}

.seller-signup-section-heading {
  margin-bottom: 22px;
}

.seller-signup-benefits-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.seller-signup-info-card {
  position: relative;
  overflow: hidden;
  min-height: 180px;
  padding: 22px;
  border: 1px solid rgba(205, 219, 237, 0.98);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 255, 0.98));
  box-shadow: 0 16px 36px rgba(14, 39, 74, 0.08);
  isolation: isolate;
  transform: translateY(0);
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.seller-signup-info-card::before,
.seller-signup-rule-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #0f4fb7, #38bdf8, #93c5fd);
}

.seller-signup-info-card::after,
.seller-signup-rule-card::after {
  content: "";
  position: absolute;
  right: -26px;
  bottom: -30px;
  width: 110px;
  height: 110px;
  border-radius: 30px;
  background: radial-gradient(circle, rgba(31, 120, 255, 0.16), transparent 72%);
  pointer-events: none;
}

.seller-signup-info-card:hover,
.seller-signup-rule-card:hover {
  transform: translateY(-6px);
  border-color: rgba(96, 144, 221, 0.42);
  box-shadow: 0 22px 44px rgba(14, 39, 74, 0.14);
}

.seller-signup-info-card strong {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 12px;
  color: #0f2f55;
  font-size: 1.08rem;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.seller-signup-info-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #5f7894;
  line-height: 1.6;
}

.seller-signup-commercial-shell {
  padding: 28px;
  border: 1px solid rgba(195, 212, 236, 0.98);
  border-radius: 32px;
  background:
    radial-gradient(circle at right top, rgba(18, 98, 219, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(243, 248, 255, 0.98));
  box-shadow: 0 18px 44px rgba(14, 39, 74, 0.08);
}

.seller-signup-commercial-copy {
  max-width: 60ch;
}

.seller-signup-commercial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.seller-signup-commercial-card {
  position: relative;
  overflow: hidden;
  min-height: 180px;
  display: grid;
  align-content: end;
  gap: 10px;
  padding: 22px;
  border: 1px solid rgba(192, 211, 237, 0.98);
  border-radius: 28px;
  background:
    radial-gradient(circle at right top, rgba(31, 120, 255, 0.12), transparent 30%),
    linear-gradient(180deg, #ffffff, #eef5ff);
  box-shadow: 0 16px 32px rgba(14, 39, 74, 0.06);
}

.seller-signup-commercial-card::after {
  content: "";
  position: absolute;
  inset: auto -18px -22px auto;
  width: 92px;
  height: 92px;
  border-radius: 28px;
  background: radial-gradient(circle, rgba(18, 98, 219, 0.12), transparent 72%);
}

.seller-signup-commercial-card strong {
  position: relative;
  z-index: 1;
  display: block;
  color: #0f2f55;
  font-size: 1.18rem;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.seller-signup-commercial-card p {
  position: relative;
  z-index: 1;
  margin: 10px 0 0;
  color: #56708f;
  font-size: 0.98rem;
  line-height: 1.4;
}

.seller-signup-model-shell {
  padding: 28px;
  border: 1px solid rgba(195, 212, 236, 0.98);
  border-radius: 32px;
  background:
    radial-gradient(circle at left top, rgba(18, 98, 219, 0.1), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(244, 248, 255, 0.98));
  box-shadow: 0 18px 44px rgba(14, 39, 74, 0.08);
}

.seller-signup-model-copy {
  max-width: 74ch;
}

.seller-signup-model-impact {
  margin-top: 14px;
  color: #0f4fb7;
  font-size: 1.05rem;
  font-weight: 800;
}

.seller-signup-model-rules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.seller-signup-rule-card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border: 1px solid rgba(205, 219, 237, 0.98);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  isolation: isolate;
  transform: translateY(0);
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    border-color 0.28s ease;
}

.seller-signup-rule-card strong {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 10px;
  color: #0f2f55;
  font-size: 1.05rem;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.seller-signup-rule-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #5f7894;
  line-height: 1.65;
}

.seller-signup-benefits-grid .seller-signup-info-card:nth-child(1),
.seller-signup-model-rules .seller-signup-rule-card:nth-child(1) {
  background:
    radial-gradient(circle at top right, rgba(34, 197, 94, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(241, 249, 244, 0.98));
}

.seller-signup-benefits-grid .seller-signup-info-card:nth-child(2),
.seller-signup-model-rules .seller-signup-rule-card:nth-child(2) {
  background:
    radial-gradient(circle at top right, rgba(251, 191, 36, 0.14), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(255, 248, 236, 0.98));
}

.seller-signup-benefits-grid .seller-signup-info-card:nth-child(3),
.seller-signup-model-rules .seller-signup-rule-card:nth-child(3) {
  background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.14), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(240, 249, 255, 0.98));
}

.seller-signup-benefits-grid .seller-signup-info-card:nth-child(4),
.seller-signup-model-rules .seller-signup-rule-card:nth-child(4) {
  background:
    radial-gradient(circle at top right, rgba(168, 85, 247, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(248, 242, 255, 0.98));
}

.seller-signup-benefits-grid .seller-signup-info-card:nth-child(5) {
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.14), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(239, 250, 246, 0.98));
}

.seller-signup-sales-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 24px;
  padding: 24px 26px;
  border: 1px solid rgba(192, 211, 237, 0.98);
  border-radius: 28px;
  background:
    radial-gradient(circle at right center, rgba(18, 98, 219, 0.16), transparent 24%),
    linear-gradient(180deg, #ffffff, #f4f8ff);
  box-shadow: 0 18px 36px rgba(14, 39, 74, 0.08);
}

.seller-signup-sales-cta h3 {
  margin: 10px 0 8px;
  color: #0f2f55;
  font-size: 1.9rem;
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.seller-signup-sales-cta p {
  margin: 0;
  color: #5f7894;
  max-width: 48ch;
}

.seller-signup-sales-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.seller-signup-culture-shell {
  padding: 28px;
  border: 1px solid rgba(195, 212, 236, 0.98);
  border-radius: 32px;
  background:
    radial-gradient(circle at right top, rgba(18, 98, 219, 0.12), transparent 24%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(243, 248, 255, 0.98));
  box-shadow: 0 18px 44px rgba(14, 39, 74, 0.08);
}

.seller-signup-culture-copy {
  max-width: 56ch;
}

.seller-signup-culture-lines {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.seller-signup-culture-lines span {
  display: block;
  padding: 18px 20px;
  border-radius: 22px;
  background: #0f4fb7;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  box-shadow: 0 16px 32px rgba(15, 79, 183, 0.18);
}

.seller-signup-final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px;
  border: 1px solid rgba(192, 211, 237, 0.98);
  border-radius: 32px;
  background:
    radial-gradient(circle at right center, rgba(18, 98, 219, 0.14), transparent 24%),
    linear-gradient(180deg, #ffffff, #f4f8ff);
  box-shadow: 0 18px 44px rgba(14, 39, 74, 0.08);
}

.seller-roi-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.seller-roi-modal.is-open {
  display: flex;
}

.seller-roi-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(7, 21, 44, 0.62);
  backdrop-filter: blur(10px);
}

.seller-roi-dialog {
  position: relative;
  width: min(1120px, 100%);
  max-height: min(88vh, 900px);
  overflow: auto;
  border: 1px solid rgba(208, 222, 241, 0.98);
  border-radius: 30px;
  background: #f8fbff;
  box-shadow: 0 34px 90px rgba(7, 21, 44, 0.28);
}

.seller-roi-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(205, 219, 237, 0.98);
  background: rgba(248, 251, 255, 0.94);
  backdrop-filter: blur(14px);
}

.seller-roi-head h2 {
  margin: 4px 0 0;
  color: #0f2f55;
  font-size: 1.7rem;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.seller-roi-body {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
  gap: 18px;
  padding: 22px;
}

.seller-roi-controls,
.seller-roi-results {
  padding: 20px;
  border: 1px solid rgba(205, 219, 237, 0.98);
  border-radius: 24px;
  background: #ffffff;
}

.seller-roi-section-label {
  margin: 0 0 16px;
  color: #64748b;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.seller-roi-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 130px;
  gap: 8px 12px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.seller-roi-row:last-child {
  border-bottom: 0;
}

.seller-roi-row span {
  color: #334155;
  font-size: 0.9rem;
  font-weight: 800;
}

.seller-roi-row input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  accent-color: #1262db;
}

.seller-roi-row strong {
  color: #0f2f55;
  font-size: 0.92rem;
  font-weight: 900;
  text-align: right;
}

.seller-roi-row-select {
  grid-template-columns: 1fr;
}

.seller-roi-fee-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding: 16px;
  border: 1px solid rgba(16, 185, 129, 0.24);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(236, 253, 245, 0.98), rgba(239, 246, 255, 0.98));
}

.seller-roi-fee-note span {
  color: #0f2f55;
  font-size: 0.88rem;
  font-weight: 900;
}

.seller-roi-fee-note strong {
  color: #047857;
  font-size: 1.35rem;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.seller-roi-row select {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid rgba(203, 213, 225, 0.95);
  border-radius: 14px;
  background: #f8fbff;
  color: #0f2f55;
  font-weight: 800;
}

.seller-roi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.seller-roi-card {
  min-height: 134px;
  padding: 16px;
  border: 1px solid rgba(209, 222, 240, 0.98);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f6f9ff);
}

.seller-roi-card span,
.seller-roi-summary-card span {
  display: block;
  color: #64748b;
  font-size: 0.78rem;
  font-weight: 900;
}

.seller-roi-card strong,
.seller-roi-summary-card strong {
  display: block;
  margin-top: 8px;
  color: #0f2f55;
  font-size: 1.45rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.seller-roi-card small {
  display: block;
  margin-top: 10px;
  color: #64748b;
  line-height: 1.35;
}

.seller-roi-card.is-danger strong {
  color: #e11d48;
}

.seller-roi-card.is-success {
  background: linear-gradient(180deg, #ffffff, #ecfdf5);
}

.seller-roi-card.is-success strong {
  color: #047857;
}

.seller-roi-summary-card {
  margin-top: 14px;
  padding: 20px;
  border-radius: 22px;
  background:
    radial-gradient(circle at right top, rgba(16, 185, 129, 0.16), transparent 34%),
    linear-gradient(135deg, #0f2f55, #0f4fb7);
  color: #ffffff;
}

.seller-roi-summary-card span,
.seller-roi-summary-card strong,
.seller-roi-summary-card p,
.seller-roi-summary-card em {
  color: #ffffff;
}

.seller-roi-summary-card strong {
  font-size: 2.1rem;
}

.seller-roi-summary-card p {
  margin: 12px 0 0;
  line-height: 1.55;
  opacity: 0.88;
}

.seller-roi-progress {
  height: 7px;
  margin-top: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
}

.seller-roi-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: #34d399;
  transition: width 0.28s ease;
}

.seller-roi-summary-card em {
  display: inline-flex;
  margin-top: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 900;
}

@media (max-width: 1100px) {
  .seller-signup-hero-grid,
  .seller-signup-benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .seller-signup-benefits-grid article:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 780px) {
  .seller-signup-hero-grid,
  .seller-signup-benefits-grid,
  .seller-signup-commercial-grid,
  .seller-signup-model-rules,
  .seller-signup-culture-lines,
  .seller-signup-final-cta,
  .seller-roi-body,
  .seller-roi-grid {
    grid-template-columns: 1fr;
  }

  .seller-signup-copy {
    padding-top: 12px;
  }

  .seller-signup-copy h1 {
    max-width: none;
    font-size: clamp(2.3rem, 12vw, 3.5rem);
  }

  .seller-signup-final-cta {
    display: grid;
    justify-content: stretch;
  }

  .seller-signup-sales-cta {
    display: grid;
    justify-content: stretch;
  }

  .seller-signup-sales-actions {
    justify-content: stretch;
  }

  .seller-signup-sales-actions > * {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .seller-signup-model-shell,
  .seller-signup-commercial-shell,
  .seller-signup-culture-shell,
  .seller-signup-final-cta,
  .seller-signup-sales-cta,
  .seller-signup-showcase-card,
  .seller-signup-info-card {
    padding: 20px;
    border-radius: 24px;
  }

  .seller-signup-cta-row,
  .seller-signup-cta-row a,
  .seller-signup-primary,
  .seller-signup-simulator-button {
    width: 100%;
  }

  .seller-roi-modal {
    padding: 10px;
  }

  .seller-roi-dialog {
    max-height: 92vh;
    border-radius: 24px;
  }

  .seller-roi-head {
    align-items: flex-start;
    padding: 18px;
  }

  .seller-roi-body {
    padding: 14px;
  }

  .seller-roi-controls,
  .seller-roi-results {
    padding: 16px;
  }
}