:root {
  --bg-dark: #0a0a0f;
  --bg-section: #111118;
  --bg-card: #1a1a24;
  --bg-card-hover: #222230;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #555570;
  --accent: #4ade80;
  --accent-dim: rgba(74, 222, 128, 0.15);
  --accent-2: #38bdf8;
  --accent-3: #f472b6;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ==================== HERO ==================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: 900px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero h1 .accent {
  color: var(--accent);
}

.lede {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-muted);
  max-width: 680px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 28px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-gradient {
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(74,222,128,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ==================== INSIGHT ==================== */
.insight {
  padding: 100px 24px;
  background: var(--bg-section);
}

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

.insight-label,
.section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.insight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.insight-main h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.insight-main p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 16px;
  line-height: 1.7;
}

.insight-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.card-items { padding: 8px 0; }

.card-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  transition: background 0.15s;
}

.card-item:hover { background: var(--bg-card-hover); }

.item-name {
  font-size: 0.95rem;
  color: var(--fg);
}

.item-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag-digital {
  background: var(--accent-dim);
  color: var(--accent);
}

.tag-physical {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-2);
}

.card-footer {
  padding: 14px 20px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  border-top: 1px solid var(--border);
  text-align: center;
}

/* ==================== LEVERS ==================== */
.levers {
  padding: 100px 24px;
  background: var(--bg-dark);
}

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

.levers-header {
  margin-bottom: 48px;
}

.levers-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.levers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.lever-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.lever-card:hover {
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}

.lever-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--fg-dim);
  margin-bottom: 16px;
}

.lever-1 .lever-number { color: var(--accent); }
.lever-2 .lever-number { color: var(--accent-2); }
.lever-3 .lever-number { color: var(--accent-3); }

.lever-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.lever-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 24px;
}

.lever-metric {
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.lever-1 .metric-value { color: var(--accent); }
.lever-2 .metric-value { color: var(--accent-2); }
.lever-3 .metric-value { color: var(--accent-3); }

.metric-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-top: 4px;
}

/* ==================== NUMBERS ==================== */
.numbers {
  padding: 100px 24px;
  background: var(--bg-section);
}

.numbers-inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.numbers h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.numbers-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.number-block {
  padding: 32px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.number-big {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.number-block:nth-child(2) .number-big { color: var(--accent-2); }
.number-block:nth-child(3) .number-big { color: var(--accent-3); }
.number-block:nth-child(4) .number-big { color: #fbbf24; }

.number-desc {
  font-size: 0.85rem;
  color: var(--fg-dim);
  line-height: 1.5;
}

/* ==================== CLOSING ==================== */
.closing {
  padding: 120px 24px;
  background: var(--bg-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74,222,128,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 750px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.signup-form {
  display: flex;
  gap: 8px;
  max-width: 440px;
  margin: 0 auto;
}

.signup-form input[type="email"] {
  flex: 1;
  padding: 12px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.signup-form input[type="email"]:focus {
  border-color: var(--accent);
}

.signup-form button {
  padding: 12px 24px;
  border-radius: var(--radius);
  border: none;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s;
}

.signup-form button:hover {
  opacity: 0.85;
}

/* ==================== FOOTER ==================== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 6px;
}

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

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .hero { min-height: 80vh; padding: 100px 20px 60px; }
  .hero-stats { flex-direction: column; gap: 16px; padding: 24px 20px; }
  .stat-divider { width: 60px; height: 1px; }
  .insight-grid { grid-template-columns: 1fr; gap: 32px; }
  .levers-grid { grid-template-columns: 1fr; }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .numbers-grid { grid-template-columns: 1fr; }
  .hero { padding: 80px 16px 48px; }
}