/* Fund Partners Meeting, April 2026
   Brand: Mastercard Foundation Africa Growth Fund
   Typography: Poppins (fallback Arial)
   Palette: brighter Fund green + yellow */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0A1410;
  --bg-alt: #0F1A14;
  --bg-deep: #061008;
  --text: #F5F5F0;
  --text-dim: #9BA89F;
  --green: #00C46A;
  --green-soft: #2EDB85;
  --yellow: #FFC72C;
  --yellow-soft: #FFD55C;
  --card: rgba(255, 255, 255, 0.055);
  --border: rgba(255, 255, 255, 0.14);
  --dock-h: 13vh;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Poppins', Arial, sans-serif;
  overflow: hidden;
  height: 100%;
  font-weight: 400;
}

/* ===== HERO BACKGROUND (fixed, crossfades between different photos) ===== */
#hero-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: var(--bg);
  pointer-events: none;
}
.bg-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  opacity: 0;
  transition: opacity 0.85s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity;
}
.bg-layer.visible { opacity: 1; }

h1, h2, h3, h4 {
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 700;
  letter-spacing: -0.015em;
}

#scroller {
  height: 100vh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}
#scroller::-webkit-scrollbar { width: 0; background: transparent; }

/* ===== SLIDES ===== */
.slide {
  min-height: 100vh;
  height: 100vh;
  scroll-snap-align: start;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 80px 72px 72px;
  overflow: hidden;
}
.slide::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10,20,16,0.55) 0%,
    rgba(10,20,16,0.40) 25%,
    rgba(10,20,16,0.75) 55%,
    rgba(10,20,16,0.92) 80%,
    rgba(10,20,16,0.98) 100%
  );
  pointer-events: none;
}
/* Cover matches the official Fund template: green bg, icon pattern, white logo card */
.slide[data-type="cover"] {
  align-items: center;
  justify-content: center;
  padding: 0;
  text-align: center;
  background: #00905D;
  flex-direction: column;
}
.slide[data-type="cover"]::before {
  background-image: url("assets/fund-pattern.png");
  background-repeat: repeat;
  background-size: 160px auto;
  opacity: 0.06;
  background-color: transparent;
}
/* White logo card, top-left */
.slide[data-type="cover"] .slide-content {
  position: absolute;
  inset: 0;
  max-width: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px;
  gap: 0;
}
/* Yellow accent block, left side */
.slide[data-type="cover"]::after {
  content: '';
  position: absolute;
  left: 0;
  top: 38%;
  width: clamp(36px, 4vw, 64px);
  height: 16%;
  background: #FBB500;
  border-radius: 0 14px 14px 0;
  z-index: 3;
}
.cover-grey-block { display: none; }
/* Cover title */
.cover-title-area {
  color: white;
  text-align: center;
  z-index: 4;
  max-width: 900px;
}
.cover-title-area h1 {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 600;
  color: white;
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.cover-title-area p {
  font-size: clamp(0.85rem, 1.1vw, 1.05rem);
  color: rgba(255,255,255,0.75);
  margin-top: 16px;
}
/* Partner logo strip at bottom */
.cover-partners {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: white;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  gap: 32px;
  z-index: 4;
}
.cover-partners .partners-label {
  font-size: 0.65rem;
  color: #555;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  white-space: nowrap;
}
.cover-partners .partner-names {
  display: flex;
  gap: 28px;
  align-items: center;
  flex-wrap: wrap;
}
.cover-partners .partner-name {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: #333;
  letter-spacing: 0.03em;
}
.slide[data-type="cover"] .slide-content .eyebrow {
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.08);
}
.slide[data-type="cover"] .slide-content p.lede {
  color: rgba(255,255,255,0.7);
}
.slide[data-type="stats"] {
  align-items: center;
}
.slide[data-type="pause"] {
  align-items: center;
  justify-content: center;
  text-align: center;
}
.slide[data-type="pause"]::before {
  background: linear-gradient(
    180deg,
    rgba(10,20,16,0.50) 0%,
    rgba(10,20,16,0.40) 50%,
    rgba(10,20,16,0.65) 100%
  );
}
.slide[data-type="pause"] .slide-content {
  max-width: 820px;
}
.slide[data-type="pause"] h2 {
  font-size: clamp(1.8rem, 4.2vw, 3.6rem);
  line-height: 1.12;
  font-weight: 600;
  font-style: italic;
  color: var(--text);
}
.slide[data-type="diagram"] {
  align-items: center;
  justify-content: center;
}
.slide[data-type="final"]::before {
  background: rgba(10,20,16,0.90);
}

/* ===== INLINE DIAGRAMS ===== */
.diagram-flow {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 32px;
  flex-wrap: wrap;
  justify-content: center;
}
.flow-node {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 22px;
  text-align: center;
  min-width: 140px;
  backdrop-filter: blur(10px);
}
.flow-node .flow-label {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.flow-node .flow-detail {
  font-size: 0.68rem;
  color: var(--text-dim);
  margin-top: 4px;
}
.flow-arrow {
  font-size: 1.4rem;
  color: var(--yellow);
  padding: 0 10px;
  font-weight: 300;
}
.flow-overlays {
  display: flex;
  gap: 14px;
  margin-top: 18px;
  flex-wrap: wrap;
  justify-content: center;
}
.flow-overlay-tag {
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: 'Poppins', Arial, sans-serif;
  letter-spacing: 0.06em;
}
.flow-overlay-tag.gender { background: rgba(0,196,106,0.15); color: var(--green); border: 1px solid rgba(0,196,106,0.3); }
.flow-overlay-tag.bds { background: rgba(255,199,44,0.12); color: var(--yellow); border: 1px solid rgba(255,199,44,0.3); }
.flow-overlay-tag.ecosystem { background: rgba(255,255,255,0.06); color: var(--text-dim); border: 1px solid var(--border); }

/* Progression bar (Participant > Contributor > Agenda-setter) */
.progression {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 24px;
}
.progression-step {
  padding: 12px 24px;
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--border);
  position: relative;
}
.progression-step:first-child { border-radius: 999px 0 0 999px; }
.progression-step:last-child { border-radius: 0 999px 999px 0; }
.progression-step.past { background: var(--card); color: var(--text-dim); }
.progression-step.current { background: var(--green); color: var(--bg-deep); border-color: var(--green); }
.progression-arrow {
  font-size: 0.9rem;
  color: var(--text-dim);
  padding: 0 4px;
}

/* ===== TIMELINE YEAR BAR ===== */
#timeline-bar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 240;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 4px 6px;
  background: rgba(10,20,16,0.75);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}
#timeline-bar.visible { opacity: 1; }
.tl-year {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  color: var(--text-dim);
  transition: all 0.4s ease;
  letter-spacing: 0.04em;
}
.tl-year.active {
  background: var(--green);
  color: var(--bg-deep);
}
.tl-year.past {
  color: var(--green-soft);
}
.tl-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--border);
  flex-shrink: 0;
}

/* ===== IMAGE GALLERY (compact horizontal strip below text) ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  gap: 5px;
  margin-top: 16px;
  width: 100%;
  max-height: 22vh;
}
.gallery img {
  width: 100%;
  height: 100%;
  max-height: 22vh;
  object-fit: cover;
  object-position: center 15%;
  border-radius: 4px;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.slide.visible .gallery img {
  opacity: 1;
  transform: scale(1);
}
.slide.visible .gallery img:nth-child(2) { transition-delay: 0.06s; }
.slide.visible .gallery img:nth-child(3) { transition-delay: 0.12s; }
.slide.visible .gallery img:nth-child(4) { transition-delay: 0.18s; }
.slide.visible .gallery img:nth-child(5) { transition-delay: 0.24s; }
.slide.visible .gallery img:nth-child(6) { transition-delay: 0.30s; }

/* Simple Africa map outline (SVG styled) */
.africa-map-wrap {
  margin-top: 24px;
  text-align: center;
}
.africa-map-wrap svg {
  width: clamp(200px, 22vw, 320px);
  height: auto;
  fill: none;
  stroke: var(--green);
  stroke-width: 1.5;
  opacity: 0.7;
}

.slide-content {
  position: relative;
  display: flex;
  flex-direction: column;
  z-index: 2;
  max-width: 960px;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.slide.visible .slide-content {
  opacity: 1;
  transform: translateY(0);
}

.eyebrow {
  display: inline-block;
  align-self: flex-start;
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 0.72rem;
  color: var(--yellow);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  margin-bottom: 14px;
  padding: 4px 12px;
  border: 1px solid rgba(255,199,44,0.35);
  border-radius: 999px;
  background: rgba(255,199,44,0.06);
}

.slide h1 {
  font-size: clamp(2.25rem, 5.4vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.slide h2 {
  font-size: clamp(1.6rem, 3.6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.slide p.lede {
  font-size: clamp(1rem, 1.35vw, 1.3rem);
  color: var(--text-dim);
  max-width: 720px;
  line-height: 1.55;
}
.slide p.lede strong { color: var(--text); font-weight: 600; }

.stat-row {
  display: flex;
  gap: 20px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 14px;
  padding: 20px 26px;
  min-width: 150px;
  position: relative;
  overflow: hidden;
}
.stat::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--yellow), var(--green));
}
.stat .val {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat .lbl {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 500;
}

.quote {
  margin-top: 22px;
  padding: 18px 22px;
  border-left: 3px solid var(--yellow);
  background: var(--card);
  border-radius: 0 10px 10px 0;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  color: var(--text);
  line-height: 1.5;
  max-width: 780px;
}
.quote cite {
  display: block;
  font-style: normal;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 8px;
}

/* Beat dots + hints hidden — clean presentation */
.beat-dots { display: none; }
.beat-hint { display: none; }

/* ===== BRAND MARK (cover: white panel top-left, inner slides: pinned hashtag) ===== */
#cover-mark {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.7s ease;
}
#cover-mark.gone { opacity: 0; }
.cover-mark-card {
  background: white;
  padding: 2.8vh 2.2vw 3vh;
  border-radius: 0 0 18px 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2vh;
}
.mcf-logo {
  display: block;
  height: 10vh;
  width: auto;
}
.cover-mark-main {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 1.25vw;
  font-weight: 600;
  line-height: 1.25;
  color: #00905D;
}

#pinned-mark {
  position: fixed;
  top: 18px;
  left: 22px;
  z-index: 300;
  pointer-events: none;
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  transition: opacity 0.5s ease;
}
#pinned-mark.visible { opacity: 1; }
.pinned-logo {
  height: 24px;
  width: auto;
  display: block;
}
.pinned-hashtag {
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  color: white;
}

/* Fund pattern strip hidden — only shows on cover via ::before */
#fund-pattern-deco { display: none; }

/* ===== TABS ===== */
#tabs {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 250;
  display: flex;
  gap: 4px;
  padding: 5px;
  background: rgba(10,20,16,0.88);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: 'Poppins', Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s;
  letter-spacing: 0.02em;
}
#tabs.cover-hidden { opacity: 0; pointer-events: none; }
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  background: var(--green);
  color: var(--bg-deep);
}

/* ===== LINKEDIN TICKER (no bg, hidden on cover) ===== */
#ticker {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 250;
  display: flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  padding: 0;
  font-family: 'Poppins', Arial, sans-serif;
  opacity: 0;
  transition: opacity 0.5s ease;
}
#ticker.visible { opacity: 1; }
.ticker-icon {
  width: 26px; height: 26px;
  background: #0A66C2;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.8rem;
  font-family: 'Poppins', Arial, sans-serif;
}
.ticker-body { display: flex; flex-direction: column; line-height: 1.1; }
.ticker-top { display: flex; align-items: baseline; gap: 8px; }
.ticker-num {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.ticker-delta {
  font-size: 0.7rem;
  color: #2dd4bf;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.ticker-lbl {
  font-size: 0.62rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  margin-top: 2px;
}

/* Progress bar + counter hidden — clean presentation */
#progress-bar { display: none; }
#slide-counter { display: none; }

/* ===== DOCK (hidden during journey, fullscreen on final slide) ===== */
#dock {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 5px;
  padding: 12px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.9s cubic-bezier(0.65, 0, 0.35, 1);
}
#dock.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(30%);
}
.tile {
  background-size: cover;
  background-position: center;
  background-color: var(--bg-alt);
  border-radius: 3px;
  opacity: 0.08;
  filter: grayscale(90%) brightness(0.7);
  transform: scale(0.92);
  transition: all 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.tile.lit {
  opacity: 1;
  filter: grayscale(0%) brightness(1);
  transform: scale(1);
  border-color: rgba(255,255,255,0.18);
}
.tile.active {
  box-shadow: 0 0 0 2px var(--yellow), 0 4px 18px rgba(255,199,44,0.35);
  z-index: 2;
}

/* ===== FINAL REVEAL ===== */
#dock.fullscreen {
  opacity: 1;
  height: 100vh;
  padding: 48px 56px;
  background: var(--bg);
  z-index: 200;
  gap: 8px;
  pointer-events: none;
}
#dock.fullscreen .tile {
  opacity: 1;
  filter: grayscale(0%) brightness(1);
  transform: scale(1);
  border-radius: 6px;
}
.final-overlay {
  position: fixed;
  inset: 0;
  z-index: 210;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.final-overlay.visible { opacity: 1; }
.final-overlay .inner {
  background: rgba(10,20,16,0.78);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px 48px;
  text-align: center;
  max-width: 560px;
}
.final-overlay h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin-bottom: 10px;
}
.final-overlay p {
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .slide { padding: 60px 32px calc(var(--dock-h) + 32px); }
  .slide[data-type="cover"] { padding: 60px 32px; }
  :root { --dock-h: 14vh; }
  #dock { padding: 10px 14px; }
  #tabs { top: auto; bottom: calc(var(--dock-h) + 60px); }
  #ticker { top: 14px; left: 14px; padding: 6px 14px 6px 8px; }
  .ticker-num { font-size: 0.9rem; }
}