:root {
  --bg: #05070d;
  --bg-alt: #0a0f1a;
  --ink: #f4f6fb;
  --ink-soft: #c7cede;
  --ink-muted: #8891a7;
  --card-bg: rgba(255, 255, 255, 0.045);
  --card-bg-strong: rgba(255, 255, 255, 0.075);
  --card-border: rgba(255, 255, 255, 0.10);
  --accent: #60a5fa;
  --accent-2: #818cf8;
  --font-sans: -apple-system, "Segoe UI", "Inter", ui-sans-serif, system-ui, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Consolas", "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

.static-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 22% 18%, rgba(96,165,250,0.10), transparent 60%),
    radial-gradient(ellipse 55% 45% at 82% 78%, rgba(129,140,248,0.08), transparent 60%),
    var(--bg);
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 40%, transparent 0%, transparent 45%, rgba(5,7,13,0.55) 100%),
    linear-gradient(180deg, rgba(5,7,13,0.35) 0%, transparent 12%, transparent 88%, rgba(5,7,13,0.55) 100%);
}

.chrome {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
}

.chrome-top {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 34px 0;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  pointer-events: auto;
  opacity: 0.85;
}
.brand-mark .emoji { font-size: 18px; filter: drop-shadow(0 0 10px rgba(96,165,250,0.5)); }

.progress-track {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,0.06);
}
.progress-fill {
  height: 100%;
  width: 5%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 16px 1px var(--accent);
  transition: width 0.55s cubic-bezier(.65,0,.35,1), background 0.6s ease;
}

.chrome-bottom {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px 22px;
  pointer-events: auto;
}

.nav-cluster {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-btn {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  color: var(--ink);
  font-size: 17px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
}
.nav-btn:hover { background: var(--card-bg-strong); border-color: var(--accent); transform: translateY(-1px); }
.nav-btn:active { transform: translateY(0); }
.nav-btn:disabled { opacity: 0.25; cursor: default; }
.nav-btn:disabled:hover { background: var(--card-bg); border-color: var(--card-border); transform: none; }

.counter {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  min-width: 58px;
  text-align: center;
}
.counter b { color: var(--ink-soft); }

.hint {
  font-size: 11.5px;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0.8;
}
.hint kbd {
  font-family: var(--font-mono);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 5px;
  padding: 1.5px 6px;
  font-size: 10.5px;
  color: var(--ink-soft);
}

.dots {
  display: flex;
  gap: 6px;
  align-items: center;
}
.dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  cursor: pointer;
  transition: all 0.25s ease;
}
.dot:hover { background: rgba(255,255,255,0.4); }
.dot.active {
  width: 18px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.deck {
  position: relative;
  z-index: 10;
  height: 100vh;
  width: 100vw;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 90px 8vw 78px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(26px) scale(0.985);
  transition: opacity 0.62s cubic-bezier(.22,.61,.36,1), transform 0.68s cubic-bezier(.22,.61,.36,1);
}
.slide.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}
.slide.prev {
  transform: translateY(-26px) scale(0.985);
}

.slide-inner {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 5px 12px 5px 10px;
  border-radius: 100px;
  margin-bottom: 22px;
}

h1.title {
  font-size: clamp(38px, 5.4vw, 70px);
  line-height: 1.05;
  margin: 0 0 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
h2.title {
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.08;
  margin: 0 0 14px;
  font-weight: 800;
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  gap: 16px;
}
h2.title .icon-badge { flex-shrink: 0; }

.gradient-text {
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 55%, #f472b6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  font-size: clamp(15px, 1.3vw, 19px);
  color: var(--ink-muted);
  line-height: 1.55;
  max-width: 760px;
  margin: 0 0 8px;
}

.icon-badge {
  width: 58px; height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--card-bg-strong), var(--card-bg));
  border: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.02) inset, 0 8px 28px -8px var(--accent);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin-top: 26px;
}
.feature-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.feature-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 18px 19px;
  backdrop-filter: blur(16px);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.card:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--card-border));
  background: var(--card-bg-strong);
  transform: translateY(-2px);
}
.card .card-icon { font-size: 21px; margin-bottom: 9px; display: block; }
.card h3 {
  font-size: 14.5px;
  margin: 0 0 6px;
  font-weight: 700;
  letter-spacing: -0.005em;
}
.card p {
  font-size: 12.8px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin: 0;
}

.stat-strip {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.stat {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 14px 20px;
  min-width: 130px;
  backdrop-filter: blur(16px);
}
.stat .num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat .lbl {
  font-size: 11.5px;
  color: var(--ink-muted);
  margin-top: 3px;
  letter-spacing: 0.01em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 5px 11px;
  border-radius: 100px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--ink-soft);
}
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.badge.ok { color: #4ade80; border-color: rgba(74,222,128,0.3); }
.badge.warn { color: #fbbf24; border-color: rgba(251,191,36,0.3); }

.code-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  color: var(--accent-2);
}

.two-col {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: start;
}

.flow-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.flow-step {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 11px 15px;
  font-size: 13px;
  font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  backdrop-filter: blur(16px);
}
.flow-arrow { color: var(--ink-muted); font-size: 16px; opacity: 0.6; }

.footer-line {
  margin-top: 32px;
  font-size: 12.5px;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 9px;
}
.footer-line .dot-sep { opacity: 0.4; }

.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 20px;
  border-radius: 100px;
  border: 1px solid var(--card-border);
  background: var(--card-bg-strong);
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.25s ease;
  backdrop-filter: blur(16px);
}
.pill-link:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px -6px var(--accent);
  transform: translateY(-1px);
}
.pill-link svg { width: 17px; height: 17px; }

.hero-title-wrap { text-align: center; margin: 0 auto; }
.hero-title-wrap .subtitle { margin-left: auto; margin-right: auto; text-align: center; }
.title-actions { display: flex; gap: 12px; justify-content: center; margin-top: 30px; flex-wrap: wrap; }

.team-row {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 34px;
  flex-wrap: wrap;
}
.team-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  backdrop-filter: blur(16px);
  min-width: 260px;
  transition: all 0.3s ease;
}
.team-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px -14px var(--accent);
}
.team-card img { width: 54px; height: 54px; border-radius: 14px; flex-shrink: 0; }
.team-card .name { font-weight: 800; font-size: 17px; letter-spacing: -0.01em; }
.team-card .role { font-size: 12px; color: var(--ink-muted); margin-top: 2px; }

.slide-num-tag {
  position: absolute;
  top: 26px;
  right: 34px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
  opacity: 0.5;
  letter-spacing: 0.08em;
}

.center-col { display: flex; flex-direction: column; align-items: center; text-align: center; }

.tier-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 26px; }
.tier-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 18px 16px;
  text-align: center;
  backdrop-filter: blur(16px);
}
.tier-card .tier-id { font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); letter-spacing: 0.08em; }
.tier-card .tier-status { font-size: 24px; margin: 8px 0 4px; }
.tier-card .tier-label { font-size: 12.5px; font-weight: 600; }
.tier-card.verified { border-color: rgba(74,222,128,0.35); }
.tier-card.pending { opacity: 0.65; }

.principle-list { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.principle {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 13px 16px;
  backdrop-filter: blur(16px);
}
.principle .p-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-2);
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  padding: 2px 7px;
  flex-shrink: 0;
  margin-top: 1px;
}
.principle p { margin: 0; font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; }
.principle strong { color: var(--ink); }

@media (max-width: 860px) {
  .two-col { grid-template-columns: 1fr; }
  .feature-grid.cols-2, .feature-grid.cols-3 { grid-template-columns: 1fr 1fr; }
  .tier-grid { grid-template-columns: repeat(2, 1fr); }
  h2.title { font-size: 28px; }
}