/* ============================================================
   OPENCARLO — Amplitude-inspired Dark Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  --dark-base: #060B18;
  --dark-secondary: #0B1428;
  --dark-card: #111D35;
  --dark-card-hover: #162340;
  --dark-border: rgba(255,255,255,0.08);
  --light-bg: #FAFAFA;
  --white: #FFFFFF;
  --coral: #FF5038;
  --coral-hover: #FF6B52;
  --violet: #7C3AED;
  --violet-light: #9D5FF0;
  --mint: #00C896;
  --mint-dim: rgba(0,200,150,0.15);
  --snow: #F0F4FF;
  --muted-dark: #8B9DC3;
  --muted-light: #64748B;
  --text-dark: #0F172A;
  --text-light: #FAFAFA;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-card: 0 4px 32px rgba(0,0,0,0.3);
  --shadow-glow-coral: 0 0 40px rgba(255,80,56,0.25);
  --shadow-glow-violet: 0 0 40px rgba(124,58,237,0.25);
  --shadow-glow-mint: 0 0 40px rgba(0,200,150,0.2);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET & BASE ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-base); }
::-webkit-scrollbar-thumb { background: var(--dark-card); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted-dark); }

body {
  font-family: var(--font-main);
  background: var(--dark-base);
  color: var(--snow);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
button { cursor: pointer; font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ── GRADIENT TEXT UTILITY ──────────────────────────────────── */
.grad-text {
  background: linear-gradient(135deg, #FF5038 0%, #7C3AED 50%, #00C896 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.grad-text-coral {
  background: linear-gradient(135deg, #FF5038, #FF8C75);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── SECTION LABELS ─────────────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 20px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--mint);
  border-radius: 1px;
}

/* ── SCROLL REVEAL ──────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1.visible { transition-delay: 0.1s; }
.reveal-delay-2.visible { transition-delay: 0.2s; }
.reveal-delay-3.visible { transition-delay: 0.3s; }

/* ── NAVIGATION ─────────────────────────────────────────────── */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: transparent;
  transition: background var(--transition), padding var(--transition), backdrop-filter var(--transition);
}

#main-nav.scrolled {
  background: rgba(6,11,24,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  border-bottom: 1px solid var(--dark-border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--snow);
  letter-spacing: -0.02em;
  transition: opacity var(--transition);
}

.nav-logo:hover { opacity: 0.85; }

.logo-mark {
  font-size: 22px;
  background: linear-gradient(135deg, #FF5038, #7C3AED);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted-dark);
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--snow); }

.btn-nav {
  font-size: 14px;
  font-weight: 600;
  color: var(--snow);
  background: var(--coral);
  padding: 10px 22px;
  border-radius: 8px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-nav:hover {
  background: var(--coral-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-coral);
}

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: var(--coral);
  padding: 16px 32px;
  border-radius: 12px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  letter-spacing: -0.01em;
}

.btn-primary:hover {
  background: var(--coral-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(255,80,56,0.4);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--muted-dark);
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.15);
  padding: 15px 28px;
  border-radius: 12px;
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-ghost:hover {
  color: var(--snow);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}

/* ── HERO ───────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  background: var(--dark-base);
  display: flex;
  align-items: center;
  overflow: hidden;
}

#persona-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--dark-base) 35%, rgba(6,11,24,0.8) 60%, rgba(6,11,24,0.2) 80%, transparent 100%);
  z-index: 1;
  pointer-events: none;
}

/* Bottom fade for smooth section transition */
#hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--dark-base));
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 1200px;
  margin: 0 auto;
  padding: 140px 32px 100px;
  max-width: 700px;
  margin-left: max(32px, calc(50vw - 600px));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--snow);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  transition: background var(--transition), border-color var(--transition);
  backdrop-filter: blur(10px);
}

.hero-badge:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--mint);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-h1 {
  font-size: clamp(60px, 8vw, 96px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--snow);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--muted-dark);
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-dark);
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.proof-dot { color: rgba(255,255,255,0.2); }

.hero-terminal {
  background: rgba(11,20,40,0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
  max-width: 520px;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.t-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.t-red { background: #FF5F57; }
.t-yellow { background: #FFBD2E; }
.t-green { background: #28CA41; }

.t-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted-dark);
}

.terminal-body {
  padding: 16px 20px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mint);
  min-height: 52px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.t-prompt { color: var(--coral); opacity: 0.9; }
.t-text { flex: 1; }

.t-cursor {
  animation: blink 1.1s step-end infinite;
  color: var(--mint);
  font-weight: 700;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-scroll-hint {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-dark);
  opacity: 0.6;
}

.scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--muted-dark), transparent);
  animation: scroll-hint 2s ease-in-out infinite;
}

@keyframes scroll-hint {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ── SECTION BASES ──────────────────────────────────────────── */
.section-light {
  background: var(--light-bg);
  padding: 120px 0;
}

.section-dark {
  background: var(--dark-secondary);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.section-h2 {
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}

.section-h2.dark { color: var(--text-dark); }
.section-h2.light { color: var(--snow); }

.section-sub {
  font-size: 18px;
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 64px;
}

.section-sub.dark { color: var(--muted-light); }
.section-sub.light { color: var(--muted-dark); }

/* ── MESH BACKGROUNDS ───────────────────────────────────────── */
.mesh-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 60% at 80% 20%, rgba(124,58,237,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(255,80,56,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 30% 30% at 60% 60%, rgba(0,200,150,0.06) 0%, transparent 50%);
}

.mesh-bg-2 {
  background:
    radial-gradient(ellipse 50% 50% at 15% 30%, rgba(0,200,150,0.1) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 85% 70%, rgba(124,58,237,0.1) 0%, transparent 50%),
    radial-gradient(ellipse 30% 30% at 50% 10%, rgba(255,80,56,0.06) 0%, transparent 50%);
}

.mesh-bg-3 {
  background:
    radial-gradient(ellipse 60% 40% at 90% 50%, rgba(255,80,56,0.1) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 10% 40%, rgba(0,200,150,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 35% 35% at 50% 90%, rgba(124,58,237,0.08) 0%, transparent 50%);
}

.section-dark > .container,
.section-dark > .mesh-bg + .container {
  position: relative;
  z-index: 1;
}

/* ── PROBLEM SECTION ────────────────────────────────────────── */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 16px;
}

.problem-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 20px;
  padding: 44px 36px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

.problem-stat {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.problem-unit {
  font-size: 28px;
  font-weight: 700;
  color: var(--coral);
}

.problem-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.problem-desc {
  font-size: 15px;
  color: var(--muted-light);
  line-height: 1.65;
}

/* ── MOMENTUM STATS ─────────────────────────────────────────── */
.momentum-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.mstat {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--dark-border);
  border-radius: 20px;
  padding: 36px 28px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.mstat:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-4px);
}

.mstat-val {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--snow) 0%, var(--muted-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mstat-label {
  font-size: 14px;
  color: var(--muted-dark);
  line-height: 1.6;
}

/* ── VALIDATORS ─────────────────────────────────────────────── */
.validators-row {
  border-top: 1px solid var(--dark-border);
  padding-top: 40px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.validators-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dark);
  white-space: nowrap;
}

.validators-logos {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.validator-logo {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.4);
  letter-spacing: -0.01em;
  transition: color var(--transition);
}

.validator-logo:hover { color: var(--snow); }

.validator-sep { color: rgba(255,255,255,0.15); }

/* ── STEPS (HOW IT WORKS) ───────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 24px;
  align-items: start;
  margin-bottom: 48px;
}

.step-card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 20px;
  padding: 40px 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.1);
}

.step-number {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--muted-light);
  margin-bottom: 20px;
  font-family: var(--font-mono);
}

.step-icon {
  width: 52px;
  height: 52px;
  background: rgba(0,0,0,0.04);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.step-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.step-desc {
  font-size: 15px;
  color: var(--muted-light);
  line-height: 1.7;
}

.step-connector {
  font-size: 28px;
  color: rgba(0,0,0,0.15);
  font-weight: 300;
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.sim-callout {
  background: linear-gradient(135deg, rgba(0,200,150,0.08), rgba(0,200,150,0.04));
  border: 1px solid rgba(0,200,150,0.2);
  border-radius: 16px;
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.sim-callout-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.sim-callout-text {
  font-size: 15px;
  color: var(--muted-light);
  line-height: 1.7;
}

.sim-callout-text strong { color: var(--text-dark); }

/* ── TRUST BARS ─────────────────────────────────────────────── */
.trust-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}

.trust-chart {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.trust-bar-row {
  display: grid;
  grid-template-columns: 200px 1fr 48px;
  align-items: center;
  gap: 16px;
}

.trust-bar-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted-dark);
  text-align: right;
}

.trust-bar-track {
  height: 10px;
  background: rgba(255,255,255,0.06);
  border-radius: 5px;
  overflow: hidden;
}

.trust-bar-fill {
  height: 100%;
  border-radius: 5px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.trust-bar-pct {
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.trust-note {
  margin-top: 20px;
  font-size: 12px;
  color: rgba(139,157,195,0.5);
  line-height: 1.5;
}

.trust-callout-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.trust-callout-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--dark-border);
  border-radius: 20px;
  padding: 32px;
  transition: background var(--transition), border-color var(--transition);
}

.trust-callout-card:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
}

.tc-secondary { background: rgba(255,255,255,0.02); }

.tc-number {
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--mint);
  margin-bottom: 12px;
}

.tc-number-small {
  font-size: 40px;
  color: var(--coral);
}

.tc-text {
  font-size: 15px;
  color: var(--muted-dark);
  line-height: 1.6;
  margin-bottom: 8px;
}

.tc-text strong { color: var(--snow); }

.tc-sub {
  font-size: 13px;
  color: rgba(139,157,195,0.6);
  line-height: 1.5;
}

/* ── PROOF SECTION ──────────────────────────────────────────── */
.proof-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 60px;
  align-items: start;
}

.proof-study {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 24px;
  padding: 48px;
}

.proof-study-header {
  margin-bottom: 24px;
}

.proof-study-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--violet);
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.2);
  padding: 6px 14px;
  border-radius: 100px;
}

.proof-quote {
  font-size: 19px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-dark);
  border-left: 3px solid var(--violet);
  padding-left: 24px;
  margin-bottom: 36px;
  font-style: normal;
}

.proof-quote strong { color: var(--violet); font-weight: 700; }

.proof-study-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(0,0,0,0.07);
  padding-top: 28px;
}

.proof-meta-val {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.proof-meta-label {
  font-size: 13px;
  color: var(--muted-light);
}

.proof-big-stat {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: sticky;
  top: 100px;
}

.proof-big-number {
  font-size: 100px;
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.proof-big-label {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-top: 8px;
}

.proof-big-source {
  font-size: 13px;
  color: var(--muted-light);
}

.proof-institutions {
  background: rgba(0,200,150,0.04);
  border: 1px solid rgba(0,200,150,0.15);
  border-radius: 16px;
  padding: 24px;
  margin-top: 16px;
}

.proof-inst-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-light);
  margin-bottom: 16px;
}

.proof-inst-list { display: flex; flex-direction: column; gap: 10px; }

.proof-inst {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dark);
  font-weight: 500;
}

/* ── PERSONA CARDS ──────────────────────────────────────────── */
.persona-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}

.persona-card {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 28px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}

.persona-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.persona-id {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--mint);
  opacity: 0.7;
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}

.persona-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--snow);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.persona-role {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-dark);
  margin-bottom: 16px;
}

.persona-bio {
  font-size: 14px;
  color: rgba(139,157,195,0.8);
  line-height: 1.65;
  margin-bottom: 20px;
}

.persona-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.persona-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted-dark);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 4px 10px;
  border-radius: 100px;
  transition: background var(--transition), color var(--transition);
}

.persona-card:hover .persona-tag {
  background: rgba(255,255,255,0.08);
  color: var(--snow);
}

/* ── YOU'RE EARLY ───────────────────────────────────────────── */
.section-early {
  background: var(--dark-base);
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}

.early-mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(124,58,237,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 10% 20%, rgba(255,80,56,0.1) 0%, transparent 50%),
    radial-gradient(ellipse 40% 40% at 90% 80%, rgba(0,200,150,0.08) 0%, transparent 50%);
}

.early-container {
  position: relative;
  z-index: 1;
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.early-body {
  font-size: 19px;
  line-height: 1.8;
  color: var(--muted-dark);
  max-width: 680px;
  margin: 0 auto 56px;
}

.early-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.early-logo {
  font-size: 15px;
  font-weight: 700;
  color: rgba(255,255,255,0.25);
  letter-spacing: -0.01em;
  transition: color var(--transition);
}

.early-logo:hover { color: rgba(255,255,255,0.6); }

.early-sep { color: rgba(255,255,255,0.1); }

/* ── WAITLIST ───────────────────────────────────────────────── */
.section-waitlist {
  background: var(--dark-secondary);
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.section-waitlist::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 0% 50%, rgba(255,80,56,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 100% 50%, rgba(124,58,237,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.waitlist-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.waitlist-sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--muted-dark);
  margin-bottom: 36px;
  max-width: 440px;
}

.waitlist-proof-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.wpi {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted-dark);
}

.waitlist-card {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  padding: 44px;
}

.form-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--snow);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.form-sub {
  font-size: 13px;
  color: var(--muted-dark);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-sub::after {
  content: '';
  display: block;
  flex: 1;
  height: 1px;
  background: var(--dark-border);
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted-dark);
  letter-spacing: 0.01em;
}

.form-group input,
.form-group select {
  background: rgba(255,255,255,0.05);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 13px 16px;
  font-size: 15px;
  font-family: var(--font-main);
  color: var(--snow);
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}

.form-group input::placeholder { color: rgba(139,157,195,0.4); }

.form-group input:focus,
.form-group select:focus {
  border-color: rgba(255,80,56,0.5);
  background: rgba(255,255,255,0.07);
  box-shadow: 0 0 0 3px rgba(255,80,56,0.1);
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14' fill='none'%3E%3Cpath d='M3 5l4 4 4-4' stroke='%238B9DC3' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-group select option { background: var(--dark-card); color: var(--snow); }

.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 17px;
  background: var(--coral);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border: none;
  border-radius: 12px;
  margin-top: 8px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  letter-spacing: -0.01em;
}

.btn-submit:hover {
  background: var(--coral-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,80,56,0.35);
}

.success-msg {
  text-align: center;
  padding: 20px 0;
}

.success-msg.hidden { display: none; }

.success-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.success-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--snow);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.success-body {
  font-size: 16px;
  color: var(--muted-dark);
  line-height: 1.6;
}

/* ── FOOTER ─────────────────────────────────────────────────── */
#footer {
  background: var(--dark-base);
  border-top: 1px solid var(--dark-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 80px;
  padding: 72px 32px 56px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo { margin-bottom: 16px; display: inline-flex; }

.footer-tagline {
  font-size: 14px;
  color: rgba(139,157,195,0.5);
  line-height: 1.6;
  margin-top: 12px;
}

.footer-links {
  display: flex;
  gap: 80px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(139,157,195,0.5);
  transition: color var(--transition);
}

.footer-col a:hover { color: var(--snow); }

.footer-bottom {
  border-top: 1px solid var(--dark-border);
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: 1200px;
  margin: 0 auto;
  font-size: 13px;
  color: rgba(139,157,195,0.35);
}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .momentum-stats { grid-template-columns: repeat(2, 1fr); }
  .trust-layout { grid-template-columns: 1fr; }
  .trust-callout-wrap { flex-direction: row; }
  .proof-layout { grid-template-columns: 1fr; }
  .proof-big-stat { position: static; }
  .waitlist-container { grid-template-columns: 1fr; gap: 60px; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-connector { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .hero-content { padding: 120px 24px 80px; }
  .hero-h1 { font-size: clamp(44px, 12vw, 72px); }
  .hero-sub br { display: none; }
  .hero-terminal { display: none; }
  .problem-grid { grid-template-columns: 1fr; gap: 16px; }
  .persona-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-connector { display: none; }
  .trust-callout-wrap { flex-direction: column; }
  .proof-study-meta { grid-template-columns: 1fr; gap: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { flex-direction: column; gap: 32px; }
  .validators-logos { gap: 10px; }
  .early-body { font-size: 17px; }
  .container { padding: 0 20px; }
  .section-light, .section-dark { padding: 80px 0; }
  .section-early { padding: 100px 0; }
  .trust-bar-row { grid-template-columns: 120px 1fr 40px; }
  .trust-bar-label { font-size: 12px; }
  .waitlist-card { padding: 28px 24px; }
}

@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; align-items: flex-start; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
  .momentum-stats { grid-template-columns: 1fr; }
  .mstat-val { font-size: 44px; }
  .problem-stat { font-size: 44px; }
  .proof-big-number { font-size: 72px; }
}