:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface2: #18181f;
  --fg: #f0f0f5;
  --fg-muted: #8a8a99;
  --fg-dim: #4a4a58;
  --accent: #00C896;
  --accent-dim: rgba(0, 200, 150, 0.12);
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --radius-sm: 6px;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Manrope', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 48px 64px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(0,200,150,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 40px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.eyebrow-text {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: 'Manrope', sans-serif;
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(56px, 8vw, 96px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 32px;
}

.hero-sub {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.65;
  font-weight: 400;
}

/* Features */
.features {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(0,200,150,0.25);
}

.feature-icon {
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* How it works */
.how {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.how-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 56px;
  max-width: 600px;
}

.how-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 16px;
}

.step {
  flex: 1;
  min-width: 200px;
  padding-right: 24px;
}

.step-num {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.step-content h4 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}

.step-content p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

.step-arrow {
  padding: 0 16px;
  padding-top: 32px;
  flex-shrink: 0;
}

/* Closing */
.closing {
  padding: 120px 48px 100px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.closing-content {
  max-width: 640px;
}

.closing-tagline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
  line-height: 1.1;
}

.closing-detail {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* Footer */
.footer {
  padding: 40px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-name {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
}

.footer-copy {
  font-size: 13px;
  color: var(--fg-dim);
}

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 60px 24px 48px; }
  .features { padding: 60px 24px; }
  .how { padding: 60px 24px; }
  .closing { padding: 80px 24px 64px; }
  .footer { padding: 32px 24px; flex-direction: column; align-items: flex-start; }
  .how-steps { flex-direction: column; gap: 32px; }
  .step-arrow { display: none; }
}

/* Scrollbar */
::-webkit-scrollbar { height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }