:root {
  --casumo-purple: #6d28d9;
  --casumo-purple-dark: #2e1065;
  --casumo-yellow: #ffd43b;
  --casumo-pink: #ec4899;
}

body {
  --primary-cta: var(--casumo-yellow);
  --primary-cta-hover: #ffe677;
  --secondary-accent: #a78bfa;
}

.site-header {
  background: linear-gradient(90deg, #21123c 0%, #2e1065 58%, #3b1970 100%);
  border-bottom-color: rgba(255, 212, 59, 0.34);
}

.brand-logo {
  min-width: 0;
}

.donor-header-logo {
  width: 188px !important;
  height: 48px !important;
  max-width: 46vw !important;
  max-height: 48px !important;
  object-fit: contain;
}

.btn-register,
.cta-main-btn,
.sticky-cta,
.offer-cta,
.download-btn,
.primary-cta {
  color: #251039 !important;
  border-color: var(--casumo-yellow) !important;
  background: linear-gradient(135deg, #ffe66d, #ffc928) !important;
  box-shadow: 0 8px 22px rgba(255, 201, 40, 0.2);
}

.burger-btn {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.24);
}

.burger-btn:hover,
.burger-btn[aria-expanded="true"] {
  background: rgba(255, 212, 59, 0.16);
  border-color: var(--casumo-yellow);
}

.burger-btn span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: #fff;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.burger-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.burger-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.burger-menu-overlay {
  width: min(360px, calc(100vw - 24px));
  max-height: calc(100vh - 84px);
  overflow-y: auto;
  background: rgba(37, 16, 57, 0.98);
  border-color: rgba(255, 212, 59, 0.28);
  border-radius: 0 0 0 16px;
  box-shadow: -14px 18px 44px rgba(15, 4, 30, 0.46);
}

.burger-menu-overlay nav ul li a:hover,
.burger-menu-overlay nav ul li a:focus-visible {
  color: var(--casumo-yellow);
}

.promo-showcase {
  padding: 26px 0 22px;
  background: radial-gradient(circle at 50% 0, rgba(109, 40, 217, 0.24), transparent 60%), #17131e;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.promo-carousel {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 212, 59, 0.34);
  border-radius: 18px;
  background: #190a38;
  box-shadow: 0 22px 50px rgba(10, 2, 25, 0.42);
}

.promo-carousel__track {
  display: flex;
  transition: transform 0.48s cubic-bezier(0.22, 1, 0.36, 1);
}

.promo-slide {
  min-width: 100%;
  color: inherit;
  text-decoration: none;
  background: #17072f;
}

.promo-slide:hover {
  color: inherit;
  text-decoration: none;
}

.promo-slide img {
  width: 100%;
  aspect-ratio: 1280 / 360;
  object-fit: contain;
  object-position: center;
}

.promo-slide--tall img {
  object-position: center 48%;
}

.promo-carousel__button {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 50%;
  color: #fff;
  background: rgba(30, 8, 64, 0.72);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transform: translateY(-50%);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.promo-carousel__button:hover,
.promo-carousel__button:focus-visible {
  background: var(--casumo-purple);
  border-color: var(--casumo-yellow);
}

.promo-carousel__button--prev { left: 14px; }
.promo-carousel__button--next { right: 14px; }

.promo-carousel__dots {
  position: absolute;
  right: 18px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  gap: 8px;
  padding: 7px 9px;
  border-radius: 999px;
  background: rgba(25, 7, 52, 0.72);
  backdrop-filter: blur(8px);
}

.promo-carousel__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.44);
  cursor: pointer;
}

.promo-carousel__dot[aria-current="true"] {
  width: 26px;
  border-radius: 999px;
  background: var(--casumo-yellow);
}

@media (max-width: 720px) {
  .donor-header-logo {
    width: 146px !important;
  }

  .header-actions {
    gap: 7px;
  }

  .header-btn {
    padding: 7px 10px;
  }

  .promo-showcase {
    padding: 14px 0;
  }

  .promo-showcase .container {
    padding: 0 10px;
  }

  .promo-carousel {
    border-radius: 12px;
  }

  .promo-slide img {
    aspect-ratio: 16 / 6;
  }

  .promo-carousel__button {
    width: 36px;
    height: 36px;
  }

  .promo-carousel__button--prev { left: 8px; }
  .promo-carousel__button--next { right: 8px; }
  .promo-carousel__dots { right: 10px; bottom: 8px; }
}

@media (max-width: 460px) {
  .btn-login {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .promo-carousel__track,
  .burger-btn span {
    transition: none;
  }
}