:root {
  --ci-gold: #F9C400;
  --ci-gold-1: #fbbf24;
  --ci-gold-2: #f59e0b;
  --ci-gold-3: #d97706;
  --ci-black: #0F0F10;
  --ci-white: #ffffff;
  --ci-border: #d6d7db;
  --ci-muted: #6b6e76;
  --ci-error: #dc2626;
  --ci-success: #16a34a;
  --ci-info: #2563eb;
  --ff-base: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --ff-heading: "Poppins", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --fs-base: 16px;
  --fs-xs: clamp(14px, 3.2vw, 14px);
  --fs-sm: clamp(15px, 3.4vw, 15px);
  --fs-md: clamp(16px, 2.6vw, 17px);
  --fs-lg: clamp(18px, 2.4vw, 19px);
  --fs-h3: clamp(20px, 3.6vw, 24px);
  --fs-h2: clamp(24px, 4.2vw, 32px);
  --lh: 1.6;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --gap-1: 10px;
  --gap-2: 16px;
  --gap-3: 24px;
  --gap-4: 36px;
  --container-max: 1200px;
  --container-pad: 16px;
  --shadow-1: 0 10px 30px rgba(0,0,0,0.08);
  --shadow-2: 0 12px 32px rgba(0,0,0,0.12);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ci-black: #ffffff;
    --ci-white: #1a1a1a;
    --ci-border: #3f3f46;
    --ci-muted: #a1a1aa;
    --ci-error: #ef4444;
    --ci-success: #22c55e;
    --ci-info: #3b82f6;
    --shadow-1: 0 10px 30px rgba(0,0,0,0.2);
    --shadow-2: 0 12px 32px rgba(0,0,0,0.3);
    --refund-section-bg: #1f2937;
  }

  .rnd-section {
    background: var(--refund-section-bg);
    color: var(--ci-black);
  }

  .rnd-section .section-subtitle {
    color: rgba(255,255,255,0.82);
  }

  .rnd-section .section-intro {
    color: rgba(255,255,255,0.75);
  }

  .rnd-tab {
    background: #2d2d2d;
    border-color: rgba(255,255,255,0.12);
    color: var(--ci-black);
  }

  .rnd-tab:hover {
    border-color: var(--ci-gold-2);
  }

  .rnd-tab.is-active,
  .rnd-tab[aria-selected="true"] {
    background: linear-gradient(90deg, var(--ci-gold-1), var(--ci-gold-2));
    color: var(--ci-black);
    box-shadow: 0 8px 22px rgba(0,0,0,0.3);
  }

  .rnd-banner::after {
    background: linear-gradient(180deg, rgba(253,186,18,0.12), rgba(0,0,0,0.1));
  }

  .rnd-list {
    color: rgba(255,255,255,0.88);
  }

  .rnd-list.check li::before {
    box-shadow: 0 0 0 3px rgba(253,186,18,0.35);
  }
}

@media (max-width: 767.98px) {
  :root {
    --space-section-sm: calc(var(--space-4) - 6px);
    --space-section-md: calc(var(--space-5) - 8px);
    --space-section-lg: calc(var(--space-6) - 10px);
  }
}

@media (min-width: 1200px) {
  :root {
    --container-pad: 24px;
  }
}

.rnd-section {
  background: var(--refund-section-bg, #f3f4f6);
  padding: clamp(28px, 3.6vw, 48px) 0;
  margin: var(--space-6) 0;
}

.rnd-section .section-title {
  text-align: center;
  margin: 0 0 var(--space-2);
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.rnd-section .section-subtitle {
  text-align: center;
  margin: 0 0 var(--space-3);
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--ci-muted);
}

.rnd-section .section-intro {
  max-width: 820px;
  margin: 0 auto var(--space-5);
  text-align: center;
  font-size: var(--fs-lg);
  line-height: var(--lh);
  color: var(--ci-muted);
}

.rnd-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  margin: 0 auto var(--space-4);
  overflow-x: auto;
  padding-bottom: 2px;
  scroll-snap-type: x mandatory;
}

.rnd-tab {
  scroll-snap-align: start;
  appearance: none;
  border: 1px solid rgba(0,0,0,0.12);
  background: var(--ci-white);
  color: var(--ci-black);
  font-weight: 600;
  font-size: var(--fs-sm);
  border-radius: 999px;
  padding: 9px 12px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.14s ease;
}

.rnd-tab:hover {
  border-color: var(--ci-gold-2);
  transform: translateY(-2px);
}

.rnd-tab.is-active,
.rnd-tab[aria-selected="true"] {
  background: linear-gradient(90deg, var(--ci-gold-1), var(--ci-gold-2));
  color: var(--ci-black);
  border-color: transparent;
  box-shadow: var(--shadow-1);
}

.rnd-tab:focus-visible {
  outline: 2px solid var(--ci-gold-2);
  outline-offset: 2px;
}

.rnd-banner {
  position: relative;
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.rnd-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(253,186,18,0.12), rgba(0,0,0,0.06));
  pointer-events: none;
}

.rnd-banner img {
  display: block;
  width: 100%;
  height: auto;
}

.rnd-panel {
  margin: 0 auto var(--space-5);
}

.rnd-panel[hidden] {
  display: none;
}

.rnd-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 992px) {
  .rnd-grid {
    grid-template-columns: 1.02fr 1fr;
    column-gap: var(--space-5);
    align-items: start;
  }
}

.rnd-heading {
  margin: 0 0 var(--space-2);
  font-size: clamp(16px, 1.6vw, 18px);
  font-weight: 800;
}

.rnd-list {
  margin: 0;
  padding-left: 18px;
  font-size: var(--fs-md);
  line-height: 1.5;
  color: var(--ci-black);
}

.rnd-list li {
  margin: 6px 0;
}

.rnd-list.check {
  list-style: none;
  padding-left: 0;
}

.rnd-list.check li {
  position: relative;
  padding-left: 24px;
}

.rnd-list.check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.36em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ci-gold-2);
  box-shadow: 0 0 0 3px rgba(253,186,18,0.22);
}

.rnd-cta {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-3);
}

.rnd-cta .btn {
  border-radius: var(--radius);
  padding: 11px 18px;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.rnd-cta .btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.rnd-cta .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.rnd-cta .btn:focus-visible {
  outline: 2px solid var(--ci-gold-2);
  outline-offset: 2px;
}