:root {
  --bg: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-raised: #f1f5f9;
  --bg-card: #ffffff;
  --fg: #0f172a;
  --fg-muted: #64748b;
  --fg-dim: #94a3b8;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #eff6ff;
  --accent-border: #bfdbfe;
  --accent-glow: rgba(37, 99, 235, 0.06);
  --tag-free: #059669;
  --tag-free-bg: #ecfdf5;
  --tag-low: #7c3aed;
  --tag-low-bg: #f5f3ff;
  --tag-premium: #2563eb;
  --tag-premium-bg: #eff6ff;
  --tag-stage-bg: #eff6ff;
  --tag-stage: #2563eb;
  --tag-channel-bg: #f0fdf4;
  --tag-channel: #166534;
  --border: #e2e8f0;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 10px;
  --max-w: 1120px;
}

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

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

.accent { color: var(--accent); }
.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

/* NAV */
.nav {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 9px;
  letter-spacing: -0.02em;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.82rem;
  color: var(--fg-muted);
}
.nav-cta {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  text-decoration: none;
  padding: 0.45rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--accent);
  transition: background 0.15s, border-color 0.15s;
}
.nav-cta:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* HERO */
.hero {
  padding: 5.5rem 2rem 5rem;
  background: linear-gradient(180deg, var(--accent-light) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}
.hero-inner { max-width: var(--max-w); margin: 0 auto; }
.hero-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--fg);
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-top: 0.2rem;
}
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* HOW IT WORKS */
.how-section {
  padding: 5.5rem 2rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.how-inner { max-width: var(--max-w); margin: 0 auto; }
.how-header { margin-bottom: 3rem; }
.how-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.how-header p {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-top: 0.75rem;
}
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.how-card {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.how-card:hover {
  border-color: var(--accent-border);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.08);
}
.how-number {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid var(--accent-border);
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.how-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--fg);
}
.how-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* SAMPLE TACTICS */
.tactics-section {
  padding: 5.5rem 2rem;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.tactics-inner { max-width: var(--max-w); margin: 0 auto; }
.tactics-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.tactics-inner > p {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 2.5rem;
}
.tactics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.tactic-card {
  display: block;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.tactic-card:hover {
  border-color: var(--accent-border);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.1);
  transform: translateY(-2px);
}
.tactic-tags {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.22rem 0.6rem;
  border-radius: 100px;
}
.tag-stage { background: var(--tag-stage-bg); color: var(--tag-stage); }
.tag-channel { background: var(--tag-channel-bg); color: var(--tag-channel); }
.tag-price-free   { background: var(--tag-free-bg);   color: var(--tag-free); }
.tag-price-low    { background: var(--tag-low-bg);    color: var(--tag-low); }
.tag-price-premium { background: var(--tag-premium-bg); color: var(--tag-premium); }

.tactic-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--fg);
  line-height: 1.3;
}
.tactic-card p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.tactic-source {
  font-size: 0.78rem;
  color: var(--fg-dim);
  font-style: italic;
}
.tactics-more {
  text-align: center;
  font-size: 0.95rem;
  color: var(--fg-muted);
  padding-top: 1rem;
}
.tactics-more a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.tactics-more a:hover { text-decoration: underline; }

/* CLOSING */
.closing-section {
  padding: 5.5rem 2rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing-inner { max-width: 680px; margin: 0 auto; }
.closing-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.closing-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  border: 1px solid var(--accent);
  transition: background 0.15s, border-color 0.15s;
}
.closing-cta:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* FOOTER */
.footer {
  padding: 2rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.footer-brand .logo-mark {
  width: 28px;
  height: 28px;
  font-size: 0.7rem;
}
.footer-brand .logo-text { font-size: 1rem; }
.footer-copy { font-size: 0.82rem; color: var(--fg-dim); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .how-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .tactics-grid { grid-template-columns: 1fr; }
  .hero { padding: 4rem 1.5rem 3.5rem; }
  .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
  .stat-divider { display: none; }
  .how-section, .tactics-section, .closing-section { padding: 4rem 1.5rem; }
  .footer-inner { flex-direction: column; gap: 0.75rem; text-align: center; }
  .nav-tagline { display: none; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
}