:root {
  --bg: #08080d;
  --bg-elevated: #111118;
  --bg-card: #16161f;
  --fg: #f0ece6;
  --fg-muted: #8a8595;
  --accent: #c9a84c;
  --accent-dim: rgba(201, 168, 76, 0.15);
  --green: #4aba7a;
  --amber: #d4a843;
  --blue: #5b8def;
  --radius: 12px;
  --font-heading: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 6rem 5vw 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Ledger visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.ledger-line {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 2rem;
  align-items: center;
  padding: 1.25rem 1.75rem;
  background: var(--bg-card);
  font-size: 0.9rem;
  transition: background 0.2s;
}

.ledger-line:hover { background: rgba(201, 168, 76, 0.04); }

.ll-label {
  font-weight: 500;
  color: var(--fg);
}

.ll-amount {
  font-family: 'Syne', monospace;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.ll-status {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
}

.ll-status.done {
  color: var(--green);
  background: rgba(74, 186, 122, 0.12);
}

.ll-status.pending {
  color: var(--amber);
  background: rgba(212, 168, 67, 0.12);
}

.ll-status.active {
  color: var(--blue);
  background: rgba(91, 141, 239, 0.12);
}

/* ===== PROBLEM ===== */
.problem {
  padding: 8rem 5vw;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 3.5rem;
  max-width: 700px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.problem-stat {
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
}

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.problem-kicker {
  font-size: 1.125rem;
  color: var(--fg-muted);
  font-style: italic;
  max-width: 650px;
}

/* ===== FEATURES ===== */
.features {
  padding: 8rem 5vw;
  background: var(--bg-elevated);
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 4rem;
}

.features-header h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.features-sub {
  font-size: 1.125rem;
  color: var(--fg-muted);
}

.feature-blocks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-block {
  padding: 2.5rem;
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  transition: border-color 0.3s;
}

.feature-block:hover {
  border-color: rgba(201, 168, 76, 0.25);
}

.fb-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.feature-block h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.feature-block p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 5vw;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.8;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 3rem 5vw;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 4rem 6vw 3rem;
    gap: 3rem;
  }

  .hero-visual { order: 2; }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .feature-blocks {
    grid-template-columns: 1fr;
  }

  .ledger-line {
    grid-template-columns: 1fr auto;
    gap: 0.75rem;
  }

  .ll-status { display: none; }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .stat-number { font-size: 1.8rem; }
  .feature-block { padding: 1.75rem; }
}