:root {
  --bg: #0D1117;
  --surface: #161B22;
  --surface-2: #1C2128;
  --border: #21262D;
  --fg: #E6EDF3;
  --fg-muted: #7D8590;
  --accent: #22C55E;
  --accent-dim: rgba(34, 197, 94, 0.12);
  --accent-hover: #16A34A;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--fg-muted); color: var(--fg); }
.btn-sm { font-size: 13px; padding: 8px 16px; border-radius: 6px; }

/* Nav */
.nav {
  padding: 16px 40px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 22px;
  color: var(--fg);
  letter-spacing: -0.5px;
  text-decoration: none;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-link {
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-link:hover { color: var(--fg); }

/* Hero */
.hero {
  padding: 80px 40px 60px;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 20px;
}
.hero-headline br { display: none; }
.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-image-wrap {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 0 0 1px rgba(34,197,94,0.08), 0 24px 64px rgba(0,0,0,0.6);
}
.hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Section eyebrow */
.section-eyebrow {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 36px;
}

/* Problem */
.problem {
  padding: 60px 40px;
  border-top: 1px solid var(--border);
}
.problem-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.problem-statement {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--fg-muted);
  line-height: 1.7;
}

/* How it works */
.how-it-works {
  padding: 80px 40px;
  border-top: 1px solid var(--border);
}
.how-it-works > * { max-width: 1100px; margin: 0 auto; }
.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.step-content h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 6px;
}
.step-content p { font-size: 14px; color: var(--fg-muted); line-height: 1.65; }

/* Features */
.features {
  padding: 80px 40px;
  border-top: 1px solid var(--border);
}
.features > * { max-width: 1100px; margin: 0 auto; }
.feature-pills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature-pill {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  transition: border-color 0.2s;
}
.feature-pill:hover { border-color: rgba(34, 197, 94, 0.4); }
.pill-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.feature-pill h4 {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 4px;
}
.feature-pill p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.55;
}

/* Social proof */
.social-proof {
  padding: 80px 40px;
  border-top: 1px solid var(--border);
}
.social-proof-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.social-stat {
  text-align: center;
  margin-bottom: 56px;
}
.stat-number {
  display: block;
  font-family: var(--font-head);
  font-size: 48px;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -2px;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 14px;
  color: var(--fg-muted);
  margin-top: 8px;
}
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.quote {
  font-size: 14px;
  color: var(--fg);
  line-height: 1.65;
  margin-bottom: 14px;
  font-style: italic;
}
.attribution {
  font-size: 12px;
  color: var(--fg-muted);
}

/* Footer */
.footer {
  padding: 28px 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  color: var(--fg);
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-link {
  font-size: 13px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-link:hover { color: var(--fg); }
.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
}

/* Mobile */
@media (max-width: 768px) {
  .nav { padding: 14px 20px; }
  .nav-actions { gap: 12px; }
  .nav-link { display: none; }
  .hero { padding: 48px 20px 40px; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-headline { font-size: 30px; letter-spacing: -1px; }
  .hero-headline br { display: block; }
  .hero-image-wrap { order: -1; }
  .problem { padding: 40px 20px; }
  .how-it-works { padding: 60px 20px; }
  .features { padding: 60px 20px; }
  .feature-pills { grid-template-columns: 1fr; }
  .social-proof { padding: 60px 20px; }
  .testimonials { grid-template-columns: 1fr; }
  .footer { padding: 20px; }
  .footer-inner { flex-wrap: wrap; gap: 12px; }
  .footer-tagline { width: 100%; }
}