:root {
  --bg-dark: #070c16;
  --bg-surface: #0c1626;
  --eth-green: #00c186;
  --eth-green-glow: rgba(0, 193, 134, 0.25);
  --eth-blue: #2b8ac6;
  --eth-blue-glow: rgba(43, 138, 198, 0.25);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --glass-card: rgba(13, 23, 38, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-card-hover: rgba(20, 35, 58, 0.85);

  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-speed: 0.65s;

  --pad-x: clamp(1.5rem, 5vw, 5.5rem);
  --pad-y: clamp(1.5rem, 4vh, 4rem);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============================================================
   TOP PROGRESS BAR
   ============================================================ */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  z-index: 100;
}

.progress__bar {
  height: 100%;
  width: 10%;
  background: linear-gradient(90deg, var(--eth-blue), var(--eth-green));
  box-shadow: 0 0 12px var(--eth-green-glow);
  transform-origin: left;
  transition: width 0.5s var(--ease-smooth);
}

/* ============================================================
   MAIN DECK & SLIDES
   ============================================================ */
.deck {
  position: relative;
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
  isolation: isolate;
}

.slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-speed) var(--ease-smooth),
              visibility var(--transition-speed) var(--ease-smooth);
  z-index: 1;
  display: flex;
  align-items: center;
}

.slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 2;
}

/* Slide Background & Ambient Layers */
.slide__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
  transform: scale(1.04);
  transition: transform 1.2s var(--ease-smooth);
}

.slide.is-active .slide__bg {
  transform: scale(1);
}

.slide__scrim {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.slide__scrim--left {
  background: linear-gradient(
    90deg,
    rgba(7, 12, 22, 0.95) 0%,
    rgba(7, 12, 22, 0.88) 42%,
    rgba(7, 12, 22, 0.45) 70%,
    rgba(7, 12, 22, 0.15) 100%
  );
}

.slide__scrim--right {
  background: linear-gradient(
    270deg,
    rgba(7, 12, 22, 0.95) 0%,
    rgba(7, 12, 22, 0.88) 45%,
    rgba(7, 12, 22, 0.45) 72%,
    rgba(7, 12, 22, 0.15) 100%
  );
}

/* Slide Container & Content Box */
.slide__container {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1680px;
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x);
  display: flex;
  align-items: center;
}

.slide__container--align-right {
  justify-content: flex-end;
}

.slide__content {
  width: 100%;
  max-width: 660px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.slide__content--wide {
  max-width: 820px;
}

.slide__content--closing {
  max-width: 600px;
}

/* Slide Index Indicator */
.slide-number {
  position: absolute;
  top: var(--pad-y);
  right: var(--pad-x);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.35);
  z-index: 10;
  pointer-events: none;
}

/* ============================================================
   TYPOGRAPHY & TAGS
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: clamp(0.72rem, 0.9vw, 0.84rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--eth-green);
}

.display-title {
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.035em;
  color: #ffffff;
}

.display-title em {
  font-style: normal;
  color: var(--eth-green);
}

.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.35rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.025em;
  color: #ffffff;
}

.lead-text {
  font-size: clamp(0.95rem, 1.25vw, 1.18rem);
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 400;
}

.section-subtitle {
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  color: var(--text-muted);
  line-height: 1.55;
}

/* Brand Logos & Product Badges */
.brand-badge {
  margin-bottom: 0.25rem;
}

.brand-logo {
  display: block;
  height: auto;
  object-fit: contain;
}

.brand-logo--hero {
  max-width: clamp(140px, 16vw, 220px);
}

.brand-logo--closing {
  max-width: clamp(160px, 18vw, 240px);
  margin-bottom: 0.5rem;
}

.product-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.25rem;
}

.product-badge {
  height: clamp(34px, 4.5vw, 48px);
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
}

/* Pills & Tags */
.pillars-row {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.pillar-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1.1rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  font-size: clamp(0.82rem, 0.95vw, 0.94rem);
  color: #e2e8f0;
  width: fit-content;
}

.pillar-pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--eth-green);
  box-shadow: 0 0 8px var(--eth-green);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.feature-tag {
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(43, 138, 198, 0.12);
  border: 1px solid rgba(43, 138, 198, 0.3);
  color: #7dd3fc;
}

.text-block {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  color: var(--text-muted);
  line-height: 1.6;
}

.text-block strong {
  color: #ffffff;
  font-weight: 600;
}

.sub-highlight {
  font-size: 0.88rem;
  line-height: 1.5;
  color: #94a3b8;
  border-left: 2px solid var(--eth-green);
  padding-left: 1rem;
}

/* ============================================================
   BENTO GRID (Slide 3: Pantherae)
   ============================================================ */
.bento-grid {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.4rem;
}

.bento-grid--4cols {
  grid-template-columns: repeat(2, 1fr);
}

.bento-item {
  padding: 0.75rem 0.95rem;
  border-radius: 10px;
  background: var(--glass-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  transition: border-color 0.25s, transform 0.25s;
}

.bento-item:hover {
  border-color: rgba(0, 193, 134, 0.4);
  transform: translateY(-2px);
}

.bento-item__title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--eth-green);
}

.bento-item__desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* ============================================================
   FEATURE CARDS LIST (Slide 4: Disquovery)
   ============================================================ */
.feature-cards-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.feature-card {
  padding: 0.95rem 1.15rem;
  border-radius: 12px;
  background: var(--glass-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.feature-card__header {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.feature-card__indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--eth-blue);
  box-shadow: 0 0 6px var(--eth-blue);
}

.feature-card h3 {
  font-size: 0.94rem;
  font-weight: 700;
  color: #ffffff;
}

.feature-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ============================================================
   METRICS GRID (Slide 5: Monithor)
   ============================================================ */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.metric-box {
  padding: 0.85rem 1rem;
  border-radius: 10px;
  background: var(--glass-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-box__tag {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
  background: rgba(0, 193, 134, 0.15);
  color: var(--eth-green);
}

.metric-box h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #ffffff;
}

.metric-box p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* ============================================================
   CHECKLIST & CALLOUTS (Slide 6: Disqlose)
   ============================================================ */
.features-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.25rem;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.check-icon {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--eth-green);
  color: var(--bg-dark);
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.check-item strong {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.15rem;
}

.check-item p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.callout-box {
  padding: 0.85rem 1.15rem;
  border-radius: 10px;
  background: rgba(0, 193, 134, 0.08);
  border: 1px solid rgba(0, 193, 134, 0.25);
  color: #e2e8f0;
  font-size: 0.86rem;
  line-height: 1.45;
  font-weight: 500;
}

/* ============================================================
   CONFLICT CHEQ (Slide 7)
   ============================================================ */
.info-card {
  padding: 0.95rem 1.25rem;
  border-radius: 10px;
  background: var(--glass-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}

.info-card__text {
  font-size: 0.9rem;
  color: #cbd5e1;
  line-height: 1.5;
}

.info-card__text strong {
  color: var(--eth-green);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  color: #e2e8f0;
  font-weight: 500;
}

.benefit-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--eth-blue);
  box-shadow: 0 0 6px var(--eth-blue);
  flex-shrink: 0;
}

/* ============================================================
   ANALYTHQUO (Slide 8)
   ============================================================ */
.analythquo-desc {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: clamp(0.88rem, 1.05vw, 0.98rem);
  color: var(--text-muted);
  line-height: 1.55;
}

.analythquo-desc strong {
  color: #ffffff;
}

.delivery-highlight {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  padding: 1rem 1.35rem;
  border-radius: 12px;
  background: var(--glass-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}

.delivery-highlight__badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 193, 134, 0.2), rgba(43, 138, 198, 0.2));
  border: 1px solid var(--eth-green);
  flex-shrink: 0;
}

.delivery-highlight__number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--eth-green);
  line-height: 1;
}

.delivery-highlight__unit {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin-top: 2px;
}

.delivery-highlight__text strong {
  display: block;
  font-size: 0.95rem;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.delivery-highlight__text p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.strategic-focus {
  font-size: 0.85rem;
  color: #94a3b8;
  border-left: 2px solid var(--eth-blue);
  padding-left: 1rem;
  line-height: 1.5;
}

/* ============================================================
   CETHRO (Slide 9)
   ============================================================ */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.65rem;
}

.cap-card {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.75rem 0.95rem;
  border-radius: 10px;
  background: var(--glass-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}

.cap-card__icon {
  color: var(--eth-green);
  font-size: 0.85rem;
  margin-top: 2px;
}

.cap-card strong {
  display: block;
  font-size: 0.86rem;
  color: #ffffff;
  margin-bottom: 0.15rem;
}

.cap-card p {
  font-size: 0.76rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* ============================================================
   CLOSING & CONTACT (Slide 10)
   ============================================================ */
.closing-brand {
  margin-bottom: 0.5rem;
}

.closing-tagline {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--eth-green);
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1.15rem;
  border-radius: 12px;
  background: var(--glass-card);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  transition: border-color 0.25s, transform 0.25s, background-color 0.25s;
}

.contact-channel:hover {
  border-color: var(--eth-green);
  background-color: var(--glass-card-hover);
  transform: translateX(4px);
}

.channel-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.channel-info {
  display: flex;
  flex-direction: column;
}

.channel-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
}

.channel-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.closing-footer {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ============================================================
   BOTTOM NAVIGATION BAR & CONTROLS
   ============================================================ */
.controls {
  position: fixed;
  bottom: clamp(1rem, 3vh, 2.2rem);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 0.65rem;
  border-radius: 9999px;
  background: rgba(8, 14, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 90;
}

.controls__group {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.controls__group--nav {
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  padding-right: 0.5rem;
}

.ctrl-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #e2e8f0;
  transition: background-color 0.2s, color 0.2s, transform 0.15s;
}

.ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.ctrl-btn:active {
  transform: scale(0.92);
}

.controls__counter {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0 0.5rem;
  letter-spacing: 0.05em;
  user-select: none;
}

.controls__counter strong {
  color: #ffffff;
  font-weight: 700;
}

/* ============================================================
   RESPONSIVENESS (TABLETS & MOBILE SCREENS)
   ============================================================ */
@media (max-width: 1024px) {
  .slide__scrim--left,
  .slide__scrim--right {
    background: rgba(7, 12, 22, 0.9) !important;
  }

  .slide__content {
    max-width: 100%;
  }

  .bento-grid--4cols,
  .metrics-grid,
  .capabilities-grid,
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --pad-x: 1.25rem;
    --pad-y: 1.25rem;
  }

  body {
    overflow-y: auto;
  }

  .deck {
    overflow-y: auto;
  }

  .slide {
    position: absolute;
    align-items: flex-start;
    overflow-y: auto;
    padding-bottom: 5.5rem;
  }

  .slide__container {
    padding-top: 2.5rem;
    padding-bottom: 5.5rem;
  }

  .display-title {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.45rem;
  }

  .controls {
    bottom: 0.75rem;
    padding: 0.35rem 0.5rem;
  }

  .ctrl-btn {
    width: 34px;
    height: 34px;
  }
}