/* Quiz Solver — payment & landing pages */
:root {
  --pay-font: 'Inter', -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --pay-bg: #f2f2f7;
  --pay-bg2: linear-gradient(165deg, #e8eef9 0%, #f2f2f7 45%, #eef6f4 100%);
  --pay-card: #ffffff;
  --pay-text: #1c1c1e;
  --pay-muted: rgba(60, 60, 67, 0.65);
  --pay-muted2: rgba(60, 60, 67, 0.45);
  --pay-border: rgba(60, 60, 67, 0.12);
  --pay-blue: #007aff;
  --pay-blue-soft: rgba(0, 122, 255, 0.12);
  --pay-paypal: #0070ba;
  --pay-sepay: #0a7ea4;
  --pay-green: #34c759;
  --pay-green-soft: rgba(52, 199, 89, 0.14);
  --pay-red: #ff3b30;
  --pay-red-soft: rgba(255, 59, 48, 0.12);
  --pay-orange: #ff9500;
  --pay-orange-soft: rgba(255, 149, 0, 0.14);
  --pay-radius: 16px;
  --pay-radius-sm: 12px;
  --pay-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.06);
  --pay-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --pay-shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.1), 0 1px 4px rgba(0, 0, 0, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body.pay-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--pay-font);
  color: var(--pay-text);
  background: var(--pay-bg2);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.pay-skip {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ═══════════════════ Layout ═══════════════════ */
.pay-wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 18px 48px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.pay-wrap--wide {
  max-width: 880px;
}

/* ═══════════════════ Header ═══════════════════ */
.pay-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 24px;
  gap: 12px;
}

.pay-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.pay-brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  flex-shrink: 0;
  object-fit: contain;
}

.pay-brand-text {
  text-align: left;
}

.pay-brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  display: block;
}

.pay-brand-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--pay-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pay-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pay-lang-select {
  appearance: none;
  -webkit-appearance: none;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--pay-muted);
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--pay-border);
  border-radius: 8px;
  padding: 6px 28px 6px 10px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  outline: none;
  transition: border-color 0.15s;
}

.pay-lang-select:focus {
  border-color: var(--pay-blue);
}

/* ═══════════════════ Main ═══════════════════ */
.pay-main {
  flex: 1;
}

/* ═══════════════════ Footer ═══════════════════ */
.pay-footer {
  margin-top: auto;
  padding-top: 40px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--pay-muted2);
}

.pay-footer a {
  color: var(--pay-blue);
  text-decoration: none;
}

.pay-footer a:hover {
  text-decoration: underline;
}

/* ═══════════════════ Back link ═══════════════════ */
.pay-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--pay-blue);
  text-decoration: none;
  margin-bottom: 16px;
  transition: opacity 0.15s;
}

.pay-back:hover {
  opacity: 0.7;
}

/* ═══════════════════ Typography ═══════════════════ */
.pay-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
  line-height: 1.2;
}

.pay-sub {
  margin: 0 0 20px;
  font-size: 0.9rem;
  color: var(--pay-muted);
  line-height: 1.55;
}

.pay-muted-note {
  font-size: 0.82rem;
  color: var(--pay-muted2);
}

/* ═══════════════════ Cards ═══════════════════ */
.pay-card {
  background: var(--pay-card);
  border-radius: var(--pay-radius);
  box-shadow: var(--pay-shadow);
  border: 1px solid var(--pay-border);
  padding: 20px;
  margin-bottom: 16px;
}

.pay-card--muted {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
}

.pay-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pay-muted2);
  margin: 0 0 12px;
}

/* ═══════════════════ Currency selector ═══════════════════ */
.pay-currency-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding: 10px 14px;
  background: var(--pay-card);
  border-radius: var(--pay-radius-sm);
  border: 1px solid var(--pay-border);
  box-shadow: var(--pay-shadow-sm);
}

.pay-currency-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pay-muted);
  white-space: nowrap;
}

.pay-currency-select {
  appearance: none;
  -webkit-appearance: none;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pay-text);
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--pay-border);
  border-radius: 8px;
  padding: 6px 28px 6px 10px;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%23333' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  outline: none;
  transition: border-color 0.15s;
}

.pay-currency-select:focus {
  border-color: var(--pay-blue);
}

/* ═══════════════════ Pack grid ═══════════════════ */
.pay-pack-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pay-pack-grid--landing {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.pay-pack-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--pay-card);
  border-radius: var(--pay-radius-sm);
  border: 1px solid var(--pay-border);
  padding: 18px 20px;
  box-shadow: var(--pay-shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.pay-pack-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--pay-shadow);
  border-color: rgba(0, 122, 255, 0.35);
}

.pay-pack-card:active {
  transform: translateY(0);
}

.pay-pack-card--popular {
  border-color: var(--pay-blue);
  box-shadow: 0 0 0 1px var(--pay-blue), var(--pay-shadow);
  position: relative;
}

.pay-pack-card--landing {
  cursor: default;
}

.pay-pack-card--landing:hover {
  transform: none;
  cursor: default;
}

.pay-pack-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 6px;
}

.pay-pack-title {
  font-weight: 650;
  font-size: 1rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.pay-pack-badge {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--pay-blue);
  background: var(--pay-blue-soft);
  padding: 4px 10px;
  border-radius: 100px;
  white-space: nowrap;
}

.pay-pack-price {
  font-size: 0.95rem;
  color: var(--pay-muted);
  font-variant-numeric: tabular-nums;
}

.pay-pack-desc {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--pay-muted2);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pay-pack-highlights {
  margin: 10px 0 0;
  padding: 0 0 0 18px;
  font-size: 0.8rem;
  color: var(--pay-muted);
  line-height: 1.6;
}

.pay-pack-highlights li::marker {
  color: var(--pay-green);
  content: "\2713  ";
}

.pay-empty {
  text-align: center;
  padding: 28px 16px;
  color: var(--pay-muted);
  font-size: 0.95rem;
}

/* ═══════════════════ Order summary ═══════════════════ */
.pay-order-summary {
  padding: 16px 20px;
}

.pay-order-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}

.pay-order-row:last-child {
  margin-bottom: 0;
}

.pay-order-label {
  font-size: 0.82rem;
  color: var(--pay-muted2);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.pay-order-tokens {
  font-size: 1rem;
  font-weight: 700;
  color: var(--pay-blue);
}

.pay-order-price {
  font-size: 1.05rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.pay-order-rate {
  display: block;
  margin-top: 4px;
  font-size: 0.78rem;
  color: var(--pay-muted2);
  font-weight: 500;
}

/* ═══════════════════ Buttons ═══════════════════ */
.pay-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}

.pay-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 18px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: var(--pay-radius-sm);
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.12s ease;
  text-decoration: none;
}

.pay-btn:active {
  transform: scale(0.98);
}

.pay-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pay-btn-icon {
  flex-shrink: 0;
  opacity: 0.9;
}

.pay-btn--primary,
a.pay-btn--primary {
  background: var(--pay-blue);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 122, 255, 0.35);
}

.pay-btn--lg {
  padding: 16px 28px;
  font-size: 1.05rem;
  border-radius: var(--pay-radius);
}

.pay-btn--paypal {
  background: var(--pay-paypal);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 112, 186, 0.35);
}

.pay-btn--bank {
  background: var(--pay-sepay);
  color: #fff;
  box-shadow: 0 4px 14px rgba(10, 126, 164, 0.3);
}

.pay-btn--secondary {
  background: rgba(0, 0, 0, 0.06);
  color: var(--pay-text);
}

.pay-btn--copy {
  margin-top: 10px;
}

.pay-err {
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: var(--pay-red);
  min-height: 1.2em;
}


/* ═══════════════════ Callouts ═══════════════════ */
.pay-callout {
  border-radius: var(--pay-radius-sm);
  padding: 14px 16px;
  font-size: 0.88rem;
  line-height: 1.5;
  margin-bottom: 16px;
}

.pay-callout--info {
  background: rgba(0, 122, 255, 0.1);
  color: #1a4d80;
  border: 1px solid rgba(0, 122, 255, 0.2);
}

.pay-callout--warn {
  background: var(--pay-orange-soft);
  color: #8a5a00;
  border: 1px solid rgba(255, 149, 0, 0.25);
}

.pay-callout--error {
  background: var(--pay-red-soft);
  color: #b00020;
  border: 1px solid rgba(255, 59, 48, 0.25);
}

.pay-callout--success {
  background: var(--pay-green-soft);
  color: #1f6b32;
  border: 1px solid rgba(52, 199, 89, 0.28);
}

/* ═══════════════════ Success / state ═══════════════════ */
.pay-state {
  text-align: center;
  padding: 24px 8px 8px;
}

.pay-state-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
}

.pay-state-icon--ok {
  background: var(--pay-green-soft);
}

.pay-state-icon--err {
  background: var(--pay-red-soft);
}

.pay-state .pay-title {
  margin-bottom: 12px;
}

.pay-state .pay-sub {
  margin-bottom: 0;
}

/* ═══════════════════ Spinner ═══════════════════ */
.pay-spinner {
  width: 44px;
  height: 44px;
  margin: 24px auto;
  border: 3px solid var(--pay-border);
  border-top-color: var(--pay-blue);
  border-radius: 50%;
  animation: pay-spin 0.75s linear infinite;
}

@keyframes pay-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ═══════════════════ Payment guide (collapsible) ═══════════════════ */
.pay-guide {
  margin-top: 16px;
  border-radius: var(--pay-radius-sm);
  border: 1px solid var(--pay-border);
  background: var(--pay-card);
  overflow: hidden;
}

.pay-guide-title {
  padding: 14px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pay-muted);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pay-guide-title::-webkit-details-marker {
  display: none;
}

.pay-guide-title::before {
  content: "\25B6";
  font-size: 0.6rem;
  transition: transform 0.2s;
  color: var(--pay-muted2);
}

.pay-guide[open] .pay-guide-title::before {
  transform: rotate(90deg);
}

.pay-guide-list {
  padding: 0 18px 16px 34px;
  margin: 0;
  font-size: 0.84rem;
  color: var(--pay-muted);
  line-height: 1.6;
}

.pay-guide-list li {
  margin-bottom: 8px;
}

.pay-guide-list li:last-child {
  margin-bottom: 0;
}

/* ═══════════════════════════════════════════════
   LANDING PAGE
   ═══════════════════════════════════════════════ */

/* — Hero — */
.landing-hero {
  text-align: center;
  padding: 40px 0 32px;
}

.landing-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin: 0 0 16px;
  background: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-lead {
  font-size: 1.1rem;
  color: var(--pay-muted);
  max-width: 36rem;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.landing-cta {
  margin-top: 8px;
  text-align: center;
}

.landing-cta .pay-btn {
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.landing-cta-note {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--pay-muted2);
}

/* — Sections — */
.landing-section {
  margin-bottom: 40px;
}

.landing-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
  text-align: center;
}

.landing-section-sub {
  font-size: 0.95rem;
  color: var(--pay-muted);
  text-align: center;
  margin: 0 0 24px;
}

/* — Features — */
.landing-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.landing-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 20px;
  background: var(--pay-card);
  border-radius: var(--pay-radius-sm);
  border: 1px solid var(--pay-border);
  box-shadow: var(--pay-shadow-sm);
  text-align: left;
}

.landing-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--pay-blue-soft);
  color: var(--pay-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.landing-feature h3 {
  margin: 0 0 4px;
  font-size: 0.95rem;
  font-weight: 650;
}

.landing-feature p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--pay-muted);
  line-height: 1.5;
}

/* — How it works — */
.landing-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  text-align: center;
}

.landing-step {
  padding: 24px 16px;
  background: var(--pay-card);
  border-radius: var(--pay-radius);
  border: 1px solid var(--pay-border);
  box-shadow: var(--pay-shadow-sm);
}

.landing-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.landing-step h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 650;
}

.landing-step p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--pay-muted);
  line-height: 1.5;
}

/* — Screenshots — */
.landing-screenshots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.landing-screenshot {
  width: 100%;
  border-radius: var(--pay-radius);
  border: 1px solid var(--pay-border);
  box-shadow: var(--pay-shadow);
  object-fit: cover;
}

/* — Accordion (Terms, FAQ) — */
.landing-accordion {
  border: 1px solid var(--pay-border);
  border-radius: var(--pay-radius-sm);
  background: var(--pay-card);
  margin-bottom: 8px;
  overflow: hidden;
}

.landing-accordion-title {
  padding: 16px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--pay-text);
}

.landing-accordion-title::-webkit-details-marker {
  display: none;
}

.landing-accordion-title::before {
  content: "\25B6";
  font-size: 0.6rem;
  transition: transform 0.2s;
  color: var(--pay-muted2);
  flex-shrink: 0;
}

.landing-accordion[open] .landing-accordion-title::before {
  transform: rotate(90deg);
}

.landing-accordion-body {
  padding: 0 20px 16px 40px;
}

.landing-accordion-body p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--pay-muted);
  line-height: 1.6;
}

/* ═══════════════════ Responsive ═══════════════════ */
@media (max-width: 600px) {
  .pay-wrap--wide {
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }

  .landing-title {
    font-size: 1.8rem;
  }

  .landing-lead {
    font-size: 1rem;
  }

  .landing-features {
    grid-template-columns: 1fr;
  }

  .landing-steps {
    grid-template-columns: 1fr;
  }

  .pay-pack-grid--landing {
    grid-template-columns: 1fr;
  }

  .landing-screenshots {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 540px) {
  .pay-wrap {
    padding-top: 32px;
  }
}

@media (min-width: 768px) {
  .landing-hero {
    padding: 56px 0 40px;
  }

  .landing-title {
    font-size: 2.8rem;
  }
}

/* ── Reset Password page ── */
.pay-reset-card {
  max-width: 420px;
  margin: 40px auto;
}
.pay-reset-title {
  text-align: center;
}
.pay-reset-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 20px;
}
.pay-reset-label {
  font-size: 14px;
  font-weight: 500;
  color: #6e6e73;
}
.pay-reset-input {
  padding: 12px 14px;
  border: 1px solid rgba(60,60,67,.18);
  border-radius: 10px;
  font-size: 16px;
  outline: none;
  transition: border-color .2s;
}
.pay-reset-input:focus {
  border-color: var(--accent, #007aff);
}
.pay-reset-form .pay-btn {
  margin-top: 8px;
}
.pay-reset-msg {
  margin-top: 14px;
  font-size: 14px;
  text-align: center;
  min-height: 1.4em;
}
.pay-reset-msg--ok { color: #34c759; }
.pay-reset-msg--err { color: #ff3b30; }

/* ── Privacy Policy page ── */
.privacy-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px 0 24px;
}
.privacy-title {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 8px;
  line-height: 1.2;
  text-align: center;
}
.privacy-updated {
  text-align: center;
  font-size: 0.82rem;
  color: var(--pay-muted2);
  margin: 0 0 24px;
}
.privacy-intro {
  font-size: 0.95rem;
  color: var(--pay-muted);
  line-height: 1.7;
  margin: 0 0 32px;
  padding: 20px;
  background: var(--pay-card);
  border-radius: var(--pay-radius);
  border: 1px solid var(--pay-border);
  box-shadow: var(--pay-shadow-sm);
}
.privacy-section {
  margin-bottom: 24px;
}
.privacy-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  color: var(--pay-text);
}
.privacy-section p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--pay-muted);
  line-height: 1.7;
}
.privacy-list {
  margin: 0;
  padding: 0 0 0 20px;
  font-size: 0.9rem;
  color: var(--pay-muted);
  line-height: 1.7;
}
.privacy-list li {
  margin-bottom: 10px;
  padding-left: 4px;
}
.privacy-list li:last-child {
  margin-bottom: 0;
}
@media (max-width: 600px) {
  .privacy-title { font-size: 1.4rem; }
  .privacy-page { padding: 8px 0 16px; }
}