html, body {
  overflow: hidden;
  height: 100%;
  margin: 0;
  background: #000;
}

.presentation {
  height: 100vh;
  width: 100vw;
  display: flex;
  overflow-x: scroll;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
}

/* Hide scrollbar but keep scroll functionality */
.presentation::-webkit-scrollbar {
  display: none;
}
.presentation {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.slide {
  flex: 0 0 100vw;
  width: 100vw;
  height: 100vh;
  scroll-snap-align: start;
  overflow: hidden;
  position: relative;
}

.slide > .slide-inner {
  position: absolute !important;
  top: 50%;
  left: 50%;
  transform-origin: center center;
  /* JS sets: transform: translate(-50%, -50%) scale(factor) */
}

/* Slide background colors */
#slide-home { background-color: #000; }
#slide-problem { background-color: #f6fded; }
#slide-solution-flow { background-color: #f6fded; }
#slide-solution-demo { background-color: #213501; }
#slide-business-model { background-color: #000000; }
#slide-market { background-color: #213501; }
#slide-impact { background-color: #000000; }
#slide-finance { background-color: #000000; }
#slide-competitive { background-color: #172109; }
#slide-team { background-color: #d9d9d9; }
#slide-ask { background-color: #e3f1d2; }

/* Side navigation dots */
.slide-nav-dots {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 12px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: row;
  gap: 8px;
  z-index: 100;
}

.slide-nav-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(141, 198, 63, 0.3);
  border: 1px solid rgba(141, 198, 63, 0.6);
  cursor: pointer;
  transition: all 0.3s ease;
}

.slide-nav-dots .dot.active {
  background: var(--logo-cta-highlights);
  transform: scale(1.3);
}

/* Nav link wrappers - eliminate their box, let inner button handle positioning */
a.nav-next {
  display: contents;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

/* Ensure nav/email buttons have visible backgrounds on dark slides */
.problem .CTA-button,
.problem .home-wrapper,
.impact-metrics .CTA-button,
.impact-metrics .home-wrapper,
.finance-numbers .CTA-button,
.finance-numbers .home-wrapper,
.home .home-wrapper,
.home .div-wrapper {
  background: rgba(34, 54, 1, 0.8) !important;
}

/* Competitive overview: increase table header contrast over the photo background */
.competitive-overview .frame-3,
.competitive-overview .PAYG-m-KOPA-solarnow-wrapper,
.competitive-overview .frame-6 {
  border: 2px solid var(--logo-cta-highlights) !important;
  background: linear-gradient(
    180deg,
    rgba(197, 230, 141, 0.96) 0%,
    rgba(141, 198, 63, 0.9) 100%
  ) !important;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22);
}

.competitive-overview .frame-3 .text-wrapper-2,
.competitive-overview .PAYG-m-KOPA-solarnow-wrapper .PAYG-m-KOPA-solarnow,
.competitive-overview .frame-6 .text-wrapper-2 {
  color: var(--green-dark-2) !important;
  font-weight: 700 !important;
}

.competitive-overview .frame-wrapper,
.competitive-overview .frame-7,
.competitive-overview .frame-13,
.competitive-overview .frame-14,
.competitive-overview .frame-15 {
  background: linear-gradient(
    180deg,
    rgba(23, 33, 9, 0.96) 0%,
    rgba(34, 54, 1, 0.92) 100%
  ) !important;
  border-color: rgba(141, 198, 63, 0.9) !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.22);
}

.competitive-overview .frame-wrapper .div,
.competitive-overview .frame-7 .div,
.competitive-overview .frame-13 .div,
.competitive-overview .frame-14 .div,
.competitive-overview .frame-15 .div {
  color: #ffffff !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

/* Slide 12: Team Read More links size and contrast */
.team .read-more {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 8px 16px !important;
  font-size: 18px !important;
  line-height: 1.15 !important;
  z-index: 250 !important;
  position: absolute !important;
  border-radius: 8px !important;
  background-color: var(--logo-cta-highlights) !important;
  color: var(--text) !important;
  border: none !important;
  font-family: "Montserrat", Helvetica !important;
  font-weight: 600 !important;
  text-align: center !important;
  cursor: pointer;
}