:root {

  /* -- Colors -- */
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-primary-dark: #2563eb;
  --color-accent: #38bdf8;

  --color-bg: #0a0e1a;
  --color-bg-alt: #080b15;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-border: rgba(255, 255, 255, 0.1);

  /* -- Typography -- */
  --font-heading: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* -- Layout -- */
  --max-width: 1200px;

  /* -- Standard Tokens (auto-injected) -- */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --radius-default: 4px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
}

body {
  font-family: var(--font-body);
}

.font-heading {
  font-family: var(--font-heading);
}

/* --- Text gradient --- */
.text-gradient {
  background: linear-gradient(135deg, #60a5fa 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* --- Status dot --- */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: #38bdf8;
  box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.5);
  animation: statusPulse 2.4s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}

@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.5); }
  50% { box-shadow: 0 0 0 6px rgba(56, 189, 248, 0); }
}

/* --- Site header (sticky nav) --- */
.site-header {
  transition: background-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
  background-color: rgba(10, 14, 26, 0.55);
}
.site-header.is-scrolled {
  background-color: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* --- Icons --- */
.icon { display: inline-block; width: 1.25em; height: 1.25em; vertical-align: -0.15em; flex-shrink: 0; }
.icon-sm { width: 1em; height: 1em; }
.icon-lg { width: 1.5em; height: 1.5em; }
.icon-xl { width: 2em; height: 2em; }

/* --- Shared component primitives --- */
.feature-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.1rem;
  padding: 1.75rem;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(96, 165, 250, 0.4);
  background: rgba(96, 165, 250, 0.04);
}

.icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(96, 165, 250, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.3);
  margin-bottom: 1.1rem;
}

.chart-bar {
  background: linear-gradient(to top, #2563eb, #38bdf8);
  border-radius: 4px 4px 0 0;
  width: 100%;
}

/* --- Scroll reveal --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 90ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 180ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 270ms; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 360ms; }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 450ms; }
[data-reveal-stagger].is-visible > * { opacity: 1; transform: translateY(0); }

/* --- Hero glow + grid overlay --- */
.hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 70% 20%, rgba(59, 130, 246, 0.18), transparent 70%);
  pointer-events: none;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 80%);
  pointer-events: none;
}

/* --- Float --- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.float { animation: float 3.5s ease-in-out infinite; }

/* =======================================================
   PRESENTATION DECK  (.pres-* namespace)
   ======================================================= */

.pres-deck {
  scroll-snap-type: y mandatory;
  height: 100vh;
  overflow-y: scroll;
  scroll-behavior: smooth;
}

.pres-slide {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1.5rem;
  position: relative;
  background: #0a0e1a;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.pres-slide:nth-child(even of .pres-slide) { background: #080b15; }
/* fallback alternation via explicit ids for broader support */
#slide-2, #slide-4, #slide-6, #slide-8, #slide-10, #slide-12 { background: #080b15; }
#slide-1, #slide-3, #slide-5, #slide-7, #slide-9, #slide-11, #slide-13 { background: #0a0e1a; }

.pres-inner {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

/* Title + close slides get a subtle glow */
.pres-slide--title, .pres-slide--close {
  overflow: hidden;
}
.pres-slide--title::before, .pres-slide--close::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 45% at 50% 35%, rgba(59, 130, 246, 0.16), transparent 70%);
  pointer-events: none;
}

/* -- Typography -- */
.pres-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #93c5fd;
  padding: 0.4rem 0.9rem;
  border: 1px solid rgba(96, 165, 250, 0.25);
  border-radius: 9999px;
  background: rgba(96, 165, 250, 0.08);
  margin-bottom: 1.5rem;
}

.pres-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #60a5fa;
  margin-bottom: 1rem;
}

.pres-h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  color: #fff;
  margin-bottom: 1.5rem;
}

.pres-h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
  font-size: clamp(1.85rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 1rem;
}

.pres-lead {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.7;
  color: #94a3b8;
  max-width: 44ch;
}

.pres-body {
  font-size: 1.075rem;
  line-height: 1.7;
  color: #94a3b8;
  max-width: 60ch;
  margin-bottom: 2.25rem;
}

.pres-note {
  margin-top: 1.75rem;
  font-size: 0.9rem;
  color: #64748b;
  font-style: italic;
}

/* -- Title meta + hint -- */
.pres-title-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: #64748b;
  margin-top: 2rem;
}
.pres-dot-sep { color: #334155; }

.pres-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 3rem;
  font-size: 0.85rem;
  color: #475569;
  animation: float 3.5s ease-in-out infinite;
}

/* -- Split layout -- */
.pres-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 768px) {
  .pres-split { grid-template-columns: 1fr 1fr; }
}

/* -- Points list -- */
.pres-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pres-points li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: #cbd5e1;
}
.pres-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 9999px;
  background: rgba(96, 165, 250, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.4);
  position: relative;
}
.pres-check::after {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  width: 5px;
  height: 9px;
  border: solid #60a5fa;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* -- Grids -- */
.pres-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 640px) { .pres-grid-3 { grid-template-columns: repeat(3, 1fr); } }

.pres-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 768px) { .pres-grid-4 { grid-template-columns: repeat(4, 1fr); } }

.pres-card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.25rem;
}
.pres-card-sub {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #60a5fa;
  margin-bottom: 0.75rem;
}
.pres-card-body {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #94a3b8;
}

/* -- Card type cards -- */
.pres-typecard { position: relative; }
.pres-type-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #93c5fd;
  background: rgba(96, 165, 250, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.3);
  border-radius: 9999px;
  padding: 0.3rem 0.8rem;
  margin-bottom: 1rem;
}
.pres-type-tag--alt {
  color: #7dd3fc;
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
}
.pres-type-eg {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: #64748b;
  font-family: var(--font-heading);
}

/* -- Step cards -- */
.step-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 1.4rem;
  transition: transform 0.35s cubic-bezier(0.16,1,0.3,1), border-color 0.35s;
}
.step-card:hover { transform: translateY(-3px); border-color: rgba(96,165,250,0.35); }
.step-card--final {
  background: rgba(96, 165, 250, 0.08);
  border-color: rgba(96, 165, 250, 0.35);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  background: rgba(96, 165, 250, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.4);
  color: #60a5fa;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
}
.step-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.35rem;
}
.step-body {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #94a3b8;
}

/* -- Mockup shell -- */
.pres-mock {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

/* Wallet mock */
.wallet-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}
.wallet-avatar {
  width: 44px; height: 44px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem;
}
.wallet-avatar--b { background: linear-gradient(135deg, #7c3aed, #38bdf8); }
.wallet-name { color: #fff; font-weight: 600; font-size: 0.95rem; }
.wallet-sub { color: #64748b; font-size: 0.8rem; }
.wallet-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem 1.1rem;
  border-radius: 0.8rem;
  margin-bottom: 0.6rem;
  border: 1px solid rgba(255,255,255,0.1);
}
.wallet-card--a { background: linear-gradient(135deg, rgba(37,99,235,0.25), rgba(56,189,248,0.12)); }
.wallet-card--b { background: linear-gradient(135deg, rgba(124,58,237,0.22), rgba(56,189,248,0.1)); }
.wallet-card--c { background: linear-gradient(135deg, rgba(14,165,233,0.2), rgba(37,99,235,0.1)); }
.wallet-card-store { color: #e2e8f0; font-size: 0.9rem; font-weight: 500; }
.wallet-card-pts { color: #7dd3fc; font-family: var(--font-heading); font-weight: 600; font-size: 0.9rem; }
.wallet-foot {
  text-align: center; color: #64748b; font-size: 0.8rem;
  margin-top: 0.9rem; padding-top: 0.9rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* Hierarchy tree */
.hier-tree {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-top: 1rem;
}
.hier-node {
  width: 100%;
  max-width: 420px;
  text-align: center;
  padding: 1.1rem 1.5rem;
  border-radius: 0.9rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
}
.hier-node--root {
  background: rgba(96,165,250,0.1);
  border-color: rgba(96,165,250,0.35);
}
.hier-node--leaf {
  background: rgba(56,189,248,0.08);
  border-color: rgba(56,189,248,0.3);
}
.hier-label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: #fff;
}
.hier-map {
  display: block;
  font-size: 0.85rem;
  color: #94a3b8;
  margin-top: 0.2rem;
}
.hier-connector {
  width: 2px;
  height: 28px;
  background: linear-gradient(to bottom, rgba(96,165,250,0.5), rgba(96,165,250,0.15));
}

/* Scan mock */
.scan-head {
  font-family: var(--font-heading);
  font-weight: 600;
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
}
.scan-qr {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.scan-qr-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 3px;
  width: 108px;
  height: 108px;
  padding: 8px;
  background: #fff;
  border-radius: 8px;
}
.scan-qr-grid span { border-radius: 1px; background: transparent; }
.scan-qr-grid span.on { background: #0a0e1a; }
.scan-row {
  display: flex; justify-content: space-between;
  font-size: 0.9rem; color: #94a3b8;
  padding: 0.4rem 0;
}
.scan-val { color: #e2e8f0; font-family: var(--font-heading); }
.scan-row--bonus .scan-val { color: #fbbf24; }
.scan-total {
  display: flex; justify-content: space-between;
  margin-top: 0.6rem; padding-top: 0.8rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #fff; font-family: var(--font-heading); font-weight: 700; font-size: 1.05rem;
}
.scan-total span:last-child { color: #7dd3fc; }

/* Transfer flow */
.transfer-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.transfer-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1.5rem;
  border-radius: 1rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  min-width: 140px;
}
.transfer-avatar {
  width: 52px; height: 52px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: 700;
}
.transfer-avatar--b { background: linear-gradient(135deg, #7c3aed, #38bdf8); }
.transfer-name { color: #fff; font-weight: 600; }
.transfer-bal { color: #7dd3fc; font-size: 0.85rem; font-family: var(--font-heading); }
.transfer-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
}
.transfer-amt { color: #60a5fa; font-size: 0.85rem; font-weight: 600; font-family: var(--font-heading); }

/* Tier ladder */
.tier-ladder {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
  max-width: 560px;
}
.tier-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: 0.8rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
}
.tier-row--current {
  background: rgba(96,165,250,0.1);
  border-color: rgba(96,165,250,0.4);
}
.tier-badge {
  width: 20px; height: 20px; border-radius: 9999px;
}
.tier-badge--bronze { background: linear-gradient(135deg, #b45309, #d97706); }
.tier-badge--silver { background: linear-gradient(135deg, #64748b, #cbd5e1); }
.tier-badge--gold { background: linear-gradient(135deg, #d97706, #fbbf24); }
.tier-badge--plat { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.tier-name { color: #fff; font-weight: 600; font-family: var(--font-heading); }
.tier-req { color: #94a3b8; font-size: 0.85rem; }
.tier-mult { color: #7dd3fc; font-family: var(--font-heading); font-weight: 700; }
.tier-you {
  position: absolute;
  right: -0.5rem; top: -0.5rem;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: #0a0e1a; background: #60a5fa;
  padding: 0.15rem 0.55rem; border-radius: 9999px;
}
@media (max-width: 420px) {
  .tier-row { grid-template-columns: auto 1fr auto; }
  .tier-req { display: none; }
}

/* Voucher card */
.voucher-card {
  background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(56,189,248,0.08));
  border: 1px solid rgba(96,165,250,0.3);
  border-radius: 1.1rem;
  padding: 1.75rem;
  max-width: 340px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.voucher-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.25rem;
}
.voucher-tag {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  color: #93c5fd;
}
.voucher-exp { font-size: 0.8rem; color: #94a3b8; }
.voucher-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.75rem;
  color: #fff;
  line-height: 1;
}
.voucher-desc { color: #cbd5e1; font-size: 0.95rem; margin-top: 0.5rem; }
.voucher-code {
  margin-top: 1.25rem;
  padding: 0.7rem;
  text-align: center;
  border: 1px dashed rgba(96,165,250,0.4);
  border-radius: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.15em;
  color: #7dd3fc;
  background: rgba(10,14,26,0.4);
}

/* Prepaid pass */
.pass-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 1.1rem;
  padding: 1.5rem;
  max-width: 340px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.pass-head {
  display: flex; justify-content: space-between; align-items: center;
  color: #fff; font-family: var(--font-heading); font-weight: 600;
  margin-bottom: 1.25rem;
}
.pass-price { color: #7dd3fc; }
.pass-strip {
  display: flex; gap: 0.6rem; justify-content: center;
  margin-bottom: 1rem;
}
.pass-dot {
  width: 34px; height: 34px; border-radius: 9999px;
  border: 2px solid rgba(96,165,250,0.4);
  background: transparent;
}
.pass-dot--used {
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  border-color: transparent;
  position: relative;
}
.pass-dot--used::after {
  content: '';
  position: absolute; left: 11px; top: 7px;
  width: 6px; height: 11px;
  border: solid #fff; border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.pass-foot {
  text-align: center; color: #94a3b8; font-size: 0.85rem;
}

/* -- CTA buttons on deck -- */
.pres-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
}
.pres-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 0.7rem;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s cubic-bezier(0.33,1,0.68,1);
}
.pres-btn--primary {
  background: #3b82f6; color: #fff;
}
.pres-btn--primary:hover {
  background: #60a5fa;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(59,130,246,0.35);
}
.pres-btn--ghost {
  border: 1px solid rgba(255,255,255,0.15);
  color: #e2e8f0;
}
.pres-btn--ghost:hover {
  border-color: rgba(96,165,250,0.5);
  color: #fff;
  background: rgba(255,255,255,0.04);
}
.pres-close-meta {
  margin-top: 2.5rem;
  font-size: 0.85rem;
  color: #475569;
}

/* -- Deck chrome: counter, rail, exit -- */
.pres-counter {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 40;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: #64748b;
  letter-spacing: 0.05em;
}
.pres-counter #pres-current { color: #fff; }
.pres-counter-sep { margin: 0 0.3rem; color: #334155; }

.pres-rail {
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.pres-dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 9999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s cubic-bezier(0.16,1,0.3,1);
}
.pres-dot:hover { border-color: #60a5fa; }
.pres-dot.is-active {
  background: #60a5fa;
  border-color: #60a5fa;
  transform: scale(1.3);
}
.pres-dot-tip {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 0.75rem;
  color: #cbd5e1;
  background: rgba(10, 14, 26, 0.9);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 0.4rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.pres-dot:hover .pres-dot-tip { opacity: 1; }
@media (max-width: 640px) {
  .pres-rail { display: none; }
}

.pres-exit {
  position: fixed;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: #94a3b8;
  padding: 0.5rem 0.85rem;
  border-radius: 0.6rem;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(10,14,26,0.6);
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}
.pres-exit:hover {
  color: #fff;
  border-color: rgba(96,165,250,0.4);
}

/* -- Reduced motion -- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .pres-deck { scroll-snap-type: none; }
}body { margin: 0; }