/* === BASE === */
:root {
  --bg: #08080c;
  --surface: #0f0f14;
  --surface-2: #15151d;
  --border: #1e1e2a;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #475569;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: 'Syne', system-ui, sans-serif; }

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 8, 12, 0.85);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}

.nav-logo-mark {
  width: 28px;
  height: 28px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #08080c;
  font-weight: 800;
}

.nav-tagline {
  font-size: 13px;
  color: var(--text-muted);
  font-family: 'DM Sans', sans-serif;
  letter-spacing: 0.02em;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  padding: 120px 32px 80px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(245,158,11,0.08) 1px, transparent 0);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 40%, transparent 100%);
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(245, 158, 11, 0.2);
  padding: 6px 12px;
  border-radius: 20px;
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text);
}

.hero-headline-accent {
  color: var(--accent);
  display: inline-block;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 36px;
}

.hero-pricing {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.hero-price {
  font-family: 'Syne', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: var(--text);
}

.hero-price-label {
  font-size: 14px;
  color: var(--text-muted);
}

/* === DEBATE WINDOW === */
.hero-debate-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.debate-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  box-shadow: 0 0 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(245,158,11,0.06);
}

.debate-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.debate-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-dim);
}

.debate-dot:first-child { background: #ef4444; }
.debate-dot:nth-child(2) { background: #f59e0b; }
.debate-dot:nth-child(3) { background: #22c55e; }

.debate-title {
  margin-left: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.debate-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.debate-question {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}

.dq-label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.dq-text {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

.debate-response {
  padding: 14px 16px;
  border-radius: 10px;
  border-left: 3px solid;
}

.resp-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.badge-logic {
  background: rgba(59,130,246,0.15);
  color: #60a5fa;
  border: 1px solid rgba(59,130,246,0.2);
}

.badge-challenge {
  background: rgba(239,68,68,0.12);
  color: #f87171;
  border: 1px solid rgba(239,68,68,0.2);
}

.badge-synth {
  background: rgba(245,158,11,0.12);
  color: var(--accent);
  border: 1px solid rgba(245,158,11,0.2);
}

.debate-response.r1 {
  background: rgba(59,130,246,0.06);
  border-color: rgba(59,130,246,0.4);
}

.debate-response.r2 {
  background: rgba(239,68,68,0.05);
  border-color: rgba(239,68,68,0.4);
}

.debate-response.r3 {
  background: rgba(245,158,11,0.06);
  border-color: rgba(245,158,11,0.4);
}

.resp-text {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* === SECTIONS === */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 16px;
}

/* === DEBATE SECTION === */
.debate-section {
  padding: 100px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.debate-section-header {
  text-align: center;
  margin-bottom: 64px;
}

.debate-section-body {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  max-width: 800px;
  margin: 0 auto 48px;
}

.comparison-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
}

.comparison-card.single { border-color: rgba(71,85,105,0.4); }
.comparison-card.norez { border-color: rgba(245,158,11,0.3); background: rgba(245,158,11,0.04); }

.comparison-card.vs {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-dim);
  padding: 0;
  border: none;
  background: none;
}

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

.comp-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.comp-title.norez { color: var(--accent); }

.comp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.comp-list li {
  font-size: 14px;
  color: var(--text-muted);
  padding-left: 20px;
  position: relative;
}

.comp-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--text-dim);
}

.comp-list.norez li::before { color: var(--accent); }

.debate-agents-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.agent-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.agent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.agent-dot.logic { background: #60a5fa; }
.agent-dot.challenge { background: #f87171; }
.agent-dot.creative { background: #a78bfa; }
.agent-dot.synth { background: var(--accent); }

/* === FEATURES === */
.features {
  padding: 100px 0;
  background: var(--bg);
}

.features .section-inner { max-width: 1100px; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s;
}

.feature-card:hover { border-color: rgba(245,158,11,0.2); }

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-dim);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* === PRICING === */
.pricing {
  padding: 100px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.pricing .section-inner { text-align: center; }

.pricing-card {
  max-width: 520px;
  margin: 48px auto 0;
  background: var(--surface-2);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: 20px;
  padding: 48px;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.pricing-header { margin-bottom: 32px; }

.pricing-plan-name {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
}

.price-amount {
  font-family: 'Syne', sans-serif;
  font-size: 64px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.price-period {
  font-size: 20px;
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-tagline {
  font-size: 14px;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-muted);
}

.pricing-note {
  font-size: 12px;
  color: var(--text-dim);
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* === CLOSING === */
.closing {
  padding: 120px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing-inner { max-width: 760px; margin: 0 auto; position: relative; z-index: 1; }

.closing-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing-headline {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}

.closing-accent { color: var(--accent); }

.closing-sub {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto;
}

/* === FOOTER === */
.footer {
  padding: 40px 32px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
}

.footer-logo-mark {
  width: 24px;
  height: 24px;
  background: var(--accent);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #08080c;
  font-weight: 800;
}

.footer-tagline {
  font-size: 13px;
  color: var(--text-dim);
  flex: 1;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-dim);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-debate-visual { order: -1; }
  .debate-window { max-width: 100%; }
  .features-grid { grid-template-columns: 1fr; }
  .comparison-grid { grid-template-columns: 1fr; }
  .comparison-card.vs { padding: 8px 0; }
}

@media (max-width: 600px) {
  .hero { padding: 100px 20px 60px; }
  .section-inner { padding: 0 20px; }
  .nav-inner { padding: 14px 20px; }
  .pricing-card { padding: 32px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
}