:root {
  --bg: #0a0e17;
  --bg-subtle: #111827;
  --bg-card: #161d2e;
  --bg-card-hover: #1c2540;
  --fg: #e8eaf0;
  --fg-muted: #8892a4;
  --fg-dim: #5a6478;
  --accent: #00e676;
  --accent-dim: rgba(0, 230, 118, 0.12);
  --accent-glow: rgba(0, 230, 118, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-w: 1120px;
  --px: 24px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px var(--px) 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.4;
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 32px;
}
.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 28px;
}
.hero-lede {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 56px;
}
.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.hero-stat-label {
  display: block;
  font-size: 14px;
  color: var(--fg-dim);
  margin-top: 4px;
}
.hero-stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ===== SECTION LABEL ===== */
.section-label {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px var(--px);
  background: var(--bg-subtle);
}
.features-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 16px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  transition: background 0.2s, border-color 0.2s;
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.1);
}
.feature-card--large {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 20px;
}
.feature-card--large .feature-icon {
  grid-row: 1 / 3;
  font-size: 40px;
  align-self: start;
}
.feature-card--accent {
  border-color: rgba(0, 230, 118, 0.2);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 230, 118, 0.04) 100%);
}
.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}
.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.65;
}

/* ===== HOW IT WORKS ===== */
.how {
  padding: 100px var(--px);
}
.how-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.how h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 56px;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.how-step {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
}
.how-step:last-child {
  border-bottom: 1px solid var(--border);
}
.how-step-num {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 80px;
  opacity: 0.7;
}
.how-step-content h4 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}
.how-step-content p {
  color: var(--fg-muted);
  font-size: 15px;
}

/* ===== NUMBERS ===== */
.numbers {
  padding: 100px var(--px);
  background: var(--bg-subtle);
}
.numbers-inner {
  max-width: 760px;
  margin: 0 auto;
}
.numbers h2 {
  font-family: var(--font-heading);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 24px;
}
.numbers p {
  color: var(--fg-muted);
  font-size: 17px;
  margin-bottom: 20px;
}
.numbers-highlight {
  color: var(--fg) !important;
  font-weight: 500;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px var(--px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.closing::before {
  content: '';
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.3;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px var(--px);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}
.footer-powered {
  font-size: 14px;
  color: var(--fg-dim);
}
.footer-powered a {
  color: var(--fg-muted);
}
.footer-powered a:hover {
  color: var(--accent);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  :root { --px: 20px; }
  .hero { min-height: auto; padding: 100px var(--px) 60px; }
  .hero-lede { font-size: 17px; }
  .hero-stat-row { gap: 24px; }
  .hero-stat-divider { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card--large { grid-template-columns: 1fr; }
  .feature-card--large .feature-icon { grid-row: auto; }
  .how-step { flex-direction: column; gap: 12px; }
  .how-step-num { font-size: 36px; min-width: auto; }
  .numbers h2 br { display: none; }
  .closing h2 br { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 36px; }
  .hero-stat-num { font-size: 26px; }
  .feature-card { padding: 28px 24px; }
}