/* Fonts */
:root {
  --bg: #080b14;
  --surface: #0e1421;
  --surface2: #131929;
  --border: #1e2639;
  --fg: #e8edf5;
  --fg-dim: #7a8aab;
  --accent: #d4f53c;
  --accent-dim: #a8c72e;
  --success: #3ecf8e;
  --settling: #f5c842;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2.5rem;
  background: rgba(8, 11, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-dim);
  letter-spacing: 0.04em;
}

/* HERO */
.hero {
  padding: 6rem 2.5rem 5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(212, 245, 60, 0.1);
  border: 1px solid rgba(212, 245, 60, 0.25);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  margin-bottom: 2rem;
}

.hero-headline {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  color: var(--fg);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-dim);
  max-width: 560px;
  margin-bottom: 3.5rem;
  line-height: 1.7;
}

/* Transaction feed */
.hero-tx {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  max-width: 680px;
}

.tx-row {
  display: grid;
  grid-template-columns: 1fr 30px 1fr 80px 50px 90px;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  font-family: 'DM Sans', monospace;
}

.tx-row:last-child { border-bottom: none; }
.tx-row--faded { opacity: 0.4; }

.tx-from, .tx-to { color: var(--fg-dim); }
.tx-amount { font-weight: 600; color: var(--fg); font-size: 0.88rem; }
.tx-time { color: var(--fg-dim); text-align: center; }

.tx-badge {
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-align: center;
}
.tx-badge--delivered { background: rgba(62, 207, 142, 0.15); color: var(--success); }
.tx-badge--settling  { background: rgba(245, 200, 66, 0.15);  color: var(--settling); }
.tx-badge--done      { background: rgba(122, 138, 171, 0.15); color: var(--fg-dim); }

/* PROOF */
.proof {
  padding: 5rem 2.5rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.proof-content {
  max-width: 760px;
  margin: 0 auto;
}

.proof-kicker {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.proof-quote {
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-weight: 400;
  font-style: italic;
  color: var(--fg);
  line-height: 1.55;
  border-left: 3px solid var(--accent);
  padding-left: 1.75rem;
  margin-bottom: 3rem;
}

.proof-outcomes {
  display: flex;
  gap: 3rem;
  margin-bottom: 1.5rem;
}

.outcome-num {
  font-family: 'Sora', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.outcome-label {
  font-size: 0.85rem;
  color: var(--fg-dim);
  line-height: 1.4;
}

.proof-context {
  font-size: 0.78rem;
  color: var(--fg-dim);
  font-style: italic;
}

/* HOW */
.how {
  padding: 6rem 2.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.how-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.how-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 3.5rem;
}

.how-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 2rem;
}

.step {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
}

.step-num {
  font-family: 'Sora', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.35;
  margin-bottom: 0.75rem;
}

.step-body h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.6rem;
}

.step-body p {
  font-size: 0.85rem;
  color: var(--fg-dim);
  line-height: 1.6;
}

.step-connector {
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--border), var(--accent-dim));
  flex-shrink: 0;
}

.how-footnote {
  font-size: 0.8rem;
  color: var(--fg-dim);
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--border);
  line-height: 1.5;
}

/* WHO */
.who {
  padding: 6rem 2.5rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.who-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  text-align: center;
}

.who-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--fg);
  text-align: center;
  margin-bottom: 3.5rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  max-width: 1000px;
  margin: 0 auto;
}

.who-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.75rem;
  transition: border-color 0.2s;
}

.who-card:hover {
  border-color: var(--accent-dim);
}

.who-icon {
  color: var(--accent);
  margin-bottom: 1rem;
}

.who-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.6rem;
}

.who-card p {
  font-size: 0.83rem;
  color: var(--fg-dim);
  line-height: 1.55;
}

/* CLOSING */
.closing {
  padding: 7rem 2.5rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.closing-headline {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 800;
  color: var(--fg);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-dim);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.65;
}

/* FOOTER */
.footer {
  padding: 3rem 2.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--fg-dim);
  margin-bottom: 1rem;
}

.footer-legal {
  font-size: 0.75rem;
  color: #4a5568;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
  .nav { padding: 1rem 1.25rem; }
  .hero { padding: 4rem 1.25rem 3.5rem; }
  .hero-headline { font-size: 2.2rem; }
  .hero-sub { font-size: 0.95rem; }
  .hero-tx { overflow-x: auto; }
  .tx-row { min-width: 580px; }

  .proof { padding: 4rem 1.25rem; }
  .proof-outcomes { gap: 2rem; }

  .how { padding: 4rem 1.25rem; }
  .how-steps { flex-direction: column; gap: 0; }
  .step { width: 100%; }
  .step-connector { width: 100%; height: 24px; background: linear-gradient(180deg, var(--border), var(--accent-dim)); }

  .who { padding: 4rem 1.25rem; }
  .who-grid { grid-template-columns: 1fr; }

  .closing { padding: 5rem 1.25rem; }
  .footer { padding: 2rem 1.25rem; }
}

@media (max-width: 480px) {
  .tx-row { grid-template-columns: 1fr 24px 1fr 70px 44px 80px; padding: 0.75rem 1rem; font-size: 0.75rem; }
}