:root {
  --bg: #0D0F1A;
  --surface: #13162B;
  --surface-2: #1A1E35;
  --fg: #E8F0FE;
  --fg-dim: #8892AA;
  --accent: #C8FF00;
  --accent-dim: #C8FF0066;
  --accent-subtle: #C8FF0011;
  --border: #1E2340;
  --nav-h: 64px;
}

*, *::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: 'IBM Plex Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}
.nav-inner {
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.wordmark {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--accent);
}
.nav-badge {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--accent-subtle);
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 2px 8px;
  border-radius: 4px;
}
.nav-spacer { flex: 1; }
.nav-link {
  font-size: 0.85rem;
  color: var(--fg-dim);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 4px;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--fg); }
.btn-nav {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  background: var(--accent);
  color: #0D0F1A;
  padding: 8px 18px;
  border-radius: 4px;
  transition: opacity 0.2s;
}
.btn-nav:hover { opacity: 0.85; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  background: var(--accent);
  color: #0D0F1A;
  padding: 12px 28px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.85; }
.btn-primary.btn-full { display: block; text-align: center; width: 100%; box-sizing: border-box; }
.btn-ghost {
  display: inline-block;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  background: transparent;
  color: var(--fg-dim);
  padding: 12px 28px;
  border-radius: 4px;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}
.btn-ghost:hover { border-color: var(--fg-dim); color: var(--fg); }
.hero-cta-block { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

/* ── HERO ── */
.hero {
  padding-top: calc(var(--nav-h) + 72px);
  padding-bottom: 72px;
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
  align-items: center;
}
.hero-tag {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: 'Chakra Petch', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-lede {
  font-size: 1.05rem;
  color: var(--fg-dim);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.cta-label {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  display: inline-block;
  padding: 8px 18px;
  border-radius: 4px;
}
.hero-art { border-radius: 8px; overflow: hidden; }
.hero-art img { width: 100%; height: auto; display: block; }

/* ── STATS ── */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  padding: 36px 32px;
}
.stats-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
}
.stat { flex: 1; padding: 0 32px; }
.stat:first-child { padding-left: 0; }
.stat:last-child { padding-right: 0; }
.stat-value {
  display: block;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--fg-dim);
  line-height: 1.4;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  flex-shrink: 0;
}

/* ── SHARED SECTION ── */
.section-label {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.section-headline {
  font-family: 'Chakra Petch', sans-serif;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 56px;
}

/* ── HOW IT WORKS ── */
.howitworks {
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 32px;
}
.hiw-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.hiw-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.hiw-step:first-child { border-top: 1px solid var(--border); }
.step-number {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-subtle);
  line-height: 1;
  padding-top: 4px;
}
.step-body h3 {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}
.step-body p {
  font-size: 0.95rem;
  color: var(--fg-dim);
  line-height: 1.7;
}

/* ── FEATURES ── */
.features {
  background: var(--surface);
  padding: 96px 32px;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.feature-card {
  background: var(--surface);
  padding: 36px 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--surface-2); }
.feature-icon {
  margin-bottom: 20px;
  opacity: 0.9;
}
.feature-card h3 {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

/* ── MANIFESTO ── */
.manifesto {
  padding: 96px 32px;
  max-width: 1100px;
  margin: 0 auto;
}
.manifesto-label {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}
.manifesto-quote {
  font-family: 'Chakra Petch', sans-serif;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  font-style: normal;
  color: var(--fg);
  line-height: 1.5;
  border-left: 3px solid var(--accent);
  padding-left: 28px;
  margin-bottom: 40px;
}
.manifesto-body p {
  font-size: 1rem;
  color: var(--fg-dim);
  line-height: 1.75;
  max-width: 680px;
}
.manifesto-body p + p { margin-top: 16px; }

/* ── SOCIAL PROOF ── */
.social-proof {
  padding: 64px 32px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.sp-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.sp-tagline {
  font-family: 'Chakra Petch', sans-serif;
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 40px;
}
.sp-badges { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.sp-badge { text-align: center; }
.sp-badge-num {
  display: block;
  font-family: 'Chakra Petch', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.sp-badge-label { display: block; font-size: 0.82rem; color: var(--fg-dim); }

/* ── DEMO ── */
.demo-section {
  padding: 96px 32px;
  max-width: 1100px;
  margin: 0 auto;
}
.demo-sub { font-size: 1rem; color: var(--fg-dim); max-width: 600px; margin-bottom: 48px; line-height: 1.7; }
.demo-generator { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; max-width: 760px; }
.demo-input-row { display: flex; gap: 0; border-bottom: 1px solid var(--border); }
.demo-input {
  flex: 1;
  background: var(--surface);
  border: none;
  color: var(--fg);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.9rem;
  padding: 18px 24px;
  outline: none;
}
.demo-input::placeholder { color: var(--fg-dim); }
.demo-btn { border-radius: 0; padding: 18px 28px; }
.demo-output { min-height: 200px; }
.demo-placeholder { padding: 48px 32px; text-align: center; }
.demo-placeholder svg { margin: 0 auto 20px; display: block; }
.demo-placeholder p { font-size: 0.9rem; color: var(--fg-dim); line-height: 1.6; }
.demo-error { padding: 32px; color: #ff6b6b; font-size: 0.9rem; }
.demo-loading { padding: 48px 32px; text-align: center; }
.spinner {
  width: 28px; height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.demo-loading p { font-size: 0.9rem; color: var(--fg-dim); }
.demo-result { padding: 24px; display: flex; flex-direction: column; }
.demo-result-section { padding: 20px 0; border-bottom: 1px solid var(--border); }
.demo-result-section:last-child { border-bottom: none; }
.demo-result-section h4 {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.demo-result-section pre {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.82rem;
  color: var(--fg-dim);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ── PRICING ── */
.pricing {
  background: var(--surface);
  padding: 96px 32px;
  border-top: 1px solid var(--border);
}
.pricing-inner { max-width: 1100px; margin: 0 auto; }
.pricing-card {
  max-width: 420px;
  margin: 0 auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 48px 40px;
}
.plan-name {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.plan-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 32px; }
.price-amount {
  font-family: 'Chakra Petch', sans-serif;
  font-size: 4rem;
  font-weight: 700;
  color: var(--fg);
  line-height: 1;
}
.price-period { font-size: 1rem; color: var(--fg-dim); }
.plan-features { list-style: none; margin-bottom: 32px; display: flex; flex-direction: column; gap: 14px; }
.plan-features li { font-size: 0.92rem; color: var(--fg-dim); padding-left: 20px; position: relative; }
.plan-features li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-size: 0.85rem; }
.plan-note { font-size: 0.78rem; color: var(--fg-dim); margin-top: 16px; text-align: center; opacity: 0.7; }

/* ── CLOSING ── */
.closing {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 96px 32px;
  text-align: center;
}
.closing-headline {
  font-family: 'Chakra Petch', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 1rem;
  color: var(--fg-dim);
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 32px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-wordmark {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-dim);
}
.footer-meta {
  font-size: 0.78rem;
  color: var(--fg-dim);
  opacity: 0.5;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 48px); }
  .hero-art { display: none; }
  .hero-lede { max-width: 100%; }
  .stats-inner { flex-direction: column; gap: 24px; }
  .stat { padding: 0; }
  .stat-divider { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .hiw-step { grid-template-columns: 1fr; gap: 12px; }
  .step-number { font-size: 1.6rem; }
  .closing { padding: 64px 32px; }
  .howitworks { padding: 64px 32px; }
  .features { padding: 64px 32px; }
  .manifesto { padding: 64px 32px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 2rem; }
  .section-headline { font-size: 1.5rem; }
  .closing-headline { font-size: 1.6rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .pricing-card { padding: 32px 24px; }
  .demo-input-row { flex-direction: column; }
  .demo-btn { width: 100%; }
}