:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --text-primary: #f0f0f0;
  --text-secondary: #999999;
  --text-muted: #666666;
  --accent: #ff6b2b;
  --accent-glow: rgba(255, 107, 43, 0.15);
  --accent-light: #ff8f5e;
  --green: #22c55e;
  --red: #ef4444;
  --border: #2a2a2a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  padding: 120px 24px 80px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  border: 1px solid rgba(255, 107, 43, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* Problem Section */
.problem {
  padding: 100px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner {
  max-width: 900px;
  margin: 0 auto;
}

.section-tag {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.problem h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 16px;
}

.problem-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 24px;
  transition: border-color 0.2s;
}

.problem-card:hover {
  border-color: #3a3a3a;
}

.problem-card-bad {
  border-color: rgba(239, 68, 68, 0.3);
}

.problem-card-bad:hover {
  border-color: rgba(239, 68, 68, 0.5);
}

.problem-card-good {
  border-color: rgba(34, 197, 94, 0.3);
  background: rgba(34, 197, 94, 0.05);
}

.problem-card-good:hover {
  border-color: rgba(34, 197, 94, 0.5);
}

.problem-icon {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* How It Works */
.how {
  padding: 100px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.how-inner { max-width: 900px; margin: 0 auto; }

.how h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 56px;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.how-step {
  display: flex;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.how-step:first-child {
  border-top: 1px solid var(--border);
}

.step-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  min-width: 80px;
  line-height: 1;
}

.step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Niches */
.niches {
  padding: 100px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.niches-inner { max-width: 900px; margin: 0 auto; }

.niches h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 40px;
}

.niche-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.niche-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  transition: border-color 0.2s;
}

.niche-item:hover {
  border-color: var(--accent);
}

.niche-icon {
  font-size: 1.3rem;
}

.roi-box {
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 32px;
}

.roi-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.roi-box p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.roi-box strong {
  color: var(--green);
}

/* Closing */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Footer */
.footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== Nav ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-brand:hover { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text-primary); }
.nav-cta {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(255, 107, 43, 0.12);
  border: 1px solid rgba(255, 107, 43, 0.3);
  padding: 7px 16px;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s;
}
.nav-cta:hover {
  background: rgba(255, 107, 43, 0.2);
  border-color: var(--accent);
}
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  display: block;
}

/* ===== Hero CTA button ===== */
.hero-cta-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
}
.hero-btn-primary {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s;
}
.hero-btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); }
.hero-btn-ghost {
  display: inline-block;
  padding: 14px 28px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s;
}
.hero-btn-ghost:hover { border-color: var(--text-muted); color: var(--text-primary); }

/* ===== Pricing ===== */
.pricing {
  padding: 100px 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.pricing-inner { max-width: 1000px; margin: 0 auto; }
.pricing h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 12px;
}
.pricing-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 56px;
  max-width: 560px;
  line-height: 1.7;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.pricing-card:hover {
  border-color: #3a3a3a;
  transform: translateY(-2px);
}
.pricing-card-featured {
  border-color: var(--accent);
  background: rgba(255, 107, 43, 0.04);
}
.pricing-card-featured:hover { border-color: var(--accent-light); }
.pricing-badge-featured {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-card-header { margin-bottom: 28px; }
.pricing-plan {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
}
.price-setup {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}
.price-setup-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.pricing-monthly {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.pricing-monthly span {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-muted);
}
.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.4;
}
.feat-check { color: var(--green); font-size: 0.9rem; flex-shrink: 0; margin-top: 1px; }
.feat-muted { color: var(--text-muted); font-size: 0.9rem; flex-shrink: 0; margin-top: 1px; }
.pricing-btn {
  display: block;
  text-align: center;
  padding: 12px 20px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid var(--border);
  color: var(--text-primary);
  transition: all 0.2s;
}
.pricing-btn:hover {
  border-color: var(--text-muted);
  background: var(--bg-card-hover);
}
.pricing-btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.pricing-btn-accent:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
}

/* ===== ROI Calculator ===== */
.roi-calc {
  padding: 100px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.roi-calc-inner { max-width: 960px; margin: 0 auto; }
.roi-calc h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 12px;
}
.roi-calc-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 56px;
  max-width: 540px;
  line-height: 1.7;
}

.calc-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}

.calc-inputs { display: flex; flex-direction: column; gap: 32px; }
.calc-field { display: flex; flex-direction: column; gap: 10px; }
.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.calc-label-row label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}
.calc-val {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}
.calc-val-unit { font-size: 0.85rem; font-weight: 500; }
.calc-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Custom range slider */
.calc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(255, 107, 43, 0.4);
  transition: transform 0.15s;
}
.calc-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.calc-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 8px rgba(255, 107, 43, 0.4);
}

/* Results */
.calc-results {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.calc-result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}
.calc-result-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.calc-result-val {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
}
.calc-result-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.calc-result-card-big {
  border-color: var(--accent);
  background: rgba(255, 107, 43, 0.05);
}
.calc-result-revenue { color: var(--accent); font-size: 2rem; }
.calc-result-card-roi { border-color: rgba(34, 197, 94, 0.3); }
.calc-cta {
  display: block;
  text-align: center;
  padding: 14px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s;
  margin-top: 4px;
}
.calc-cta:hover { background: var(--accent-light); transform: translateY(-1px); }

/* ===== Closing CTA button ===== */
.closing-cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}
.closing-btn {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s;
}
.closing-btn:hover { background: var(--accent-light); transform: translateY(-2px); }
.closing-btn-ghost {
  display: inline-block;
  padding: 14px 28px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.2s;
}
.closing-btn-ghost:hover { border-color: var(--text-muted); color: var(--text-primary); }

/* ===== Footer nav ===== */
.footer-nav {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 16px;
}
.footer-nav a {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--text-secondary); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .calc-layout { grid-template-columns: 1fr; }
  .calc-results { order: -1; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 20px;
  }
  .nav-mobile-toggle { display: flex; }
  .nav { position: sticky; }
  .hero { padding: 80px 20px 60px; }
  .hero-stat-row { gap: 20px; }
  .stat-divider { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .how-step { flex-direction: column; gap: 16px; }
  .step-number { font-size: 2rem; min-width: auto; }
  .niche-grid { grid-template-columns: repeat(2, 1fr); }
  .problem, .how, .niches { padding: 64px 20px; }
  .closing { padding: 80px 20px; }
  .pricing { padding: 64px 20px; }
  .roi-calc { padding: 64px 20px; }
}

@media (max-width: 480px) {
  .niche-grid { grid-template-columns: 1fr; }
  .hero-stat-row { flex-direction: column; align-items: flex-start; }
  .hero-cta-row { flex-direction: column; }
  .hero-cta-row a { text-align: center; }
}