:root {
  --bg: #111827;
  --fg: #f9fafb;
  --fg-muted: #9ca3af;
  --accent: #3b82f6;
  --accent-dim: #1d4ed8;
  --surface: #1f2937;
  --surface-2: #374151;
  --border: #374151;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

/* HEADER */
.site-header {
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(8px);
  z-index: 100;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.header-brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  gap: 2px;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.header-tagline {
  font-size: 11px;
  color: var(--fg-muted);
  font-weight: 300;
  letter-spacing: 0.03em;
}
.header-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}
.header-nav a {
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.15s;
}
.header-nav a:hover { color: var(--fg); }
.header-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
  background: var(--accent);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 6px;
  transition: background 0.15s;
  white-space: nowrap;
}
.header-cta:hover { background: var(--accent-dim); }

/* MANIFESTO */
.manifesto {
  padding: 96px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
}
.manifesto-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg);
  max-width: 820px;
  margin-bottom: 28px;
}
.manifesto-body {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}
.manifesto-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.manifesto-trust {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 500;
}
.trust-sep { color: var(--border); }
.cta-primary {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  background: var(--accent);
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 8px;
  transition: background 0.15s;
}
.cta-primary:hover { background: var(--accent-dim); }
.cta-primary--large {
  font-size: 17px;
  padding: 16px 36px;
  border-radius: 10px;
}
.cta-secondary {
  font-size: 15px;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.cta-secondary:hover { color: var(--fg); }
.manifesto-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin-top: 56px;
}

/* OPERATING SYSTEM */
.ops {
  background: var(--surface);
  padding: 80px 48px;
}
.ops-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.ops-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.ops-heading {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
  max-width: 580px;
  margin-bottom: 56px;
}
.ops-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.ops-card {
  background: var(--bg);
  padding: 40px 36px;
  border: 1px solid var(--border);
}
.ops-card-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.ops-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}
.ops-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* PRINCIPLES */
.principles {
  padding: 96px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.principles-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.principles-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.principles-heading {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.5vw, 36px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 20px;
}
.principles-body {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
}
.principle-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.principle-item:first-child { border-top: 1px solid var(--border); }
.principle-number {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  min-width: 28px;
  padding-top: 2px;
}
.principle-item h4 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 6px;
}
.principle-item p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--fg);
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}
.footer-nav {
  display: flex;
  gap: 24px;
}
.footer-nav a {
  font-size: 13px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-nav a:hover { color: var(--fg); }

/* PRICING */
.pricing {
  background: var(--surface);
  padding: 80px 48px;
}
.pricing-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.pricing-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.pricing-heading {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  line-height: 1.15;
  margin-bottom: 16px;
}
.pricing-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 540px;
  margin-bottom: 56px;
  line-height: 1.6;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.pricing-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}
.pricing-card--featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(59,130,246,0.06) 0%, var(--bg) 100%);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--fg);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 99px;
  white-space: nowrap;
}
.pricing-tier {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.pricing-price {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 8px;
}
.pricing-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
  flex: 1;
}
.pricing-features li {
  font-size: 14px;
  color: var(--fg-muted);
  padding-left: 20px;
  position: relative;
}
.pricing-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.pricing-cta {
  display: block;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  background: var(--surface-2);
  text-decoration: none;
  padding: 14px 24px;
  border-radius: 8px;
  transition: background 0.15s;
  margin-top: auto;
}
.pricing-cta:hover { background: var(--border); }
.pricing-card--featured .pricing-cta {
  background: var(--accent);
}
.pricing-card--featured .pricing-cta:hover { background: var(--accent-dim); }
.pricing-sla {
  margin-top: 32px;
  padding: 16px 20px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 8px;
  font-size: 14px;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 500px;
}
.pricing-sla svg { color: var(--accent); flex-shrink: 0; }
.pricing-sla strong { color: var(--fg); }

/* TESTIMONIALS */
.testimonials {
  padding: 96px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.testimonials-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.testimonials-heading {
  font-family: var(--font-display);
  font-size: clamp(24px, 2.5vw, 38px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 56px;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 28px 32px;
}
.testimonial-stars {
  display: flex;
  gap: 3px;
  color: #f59e0b;
  margin-bottom: 16px;
}
.testimonial-quote {
  font-size: 15px;
  color: var(--fg);
  line-height: 1.65;
  font-style: italic;
  font-weight: 300;
  margin-bottom: 20px;
  border: none;
  padding: 0;
}
.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.testimonial-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
}
.testimonial-role {
  font-size: 12px;
  color: var(--fg-muted);
}

/* CLOSING */
.closing {
  padding: 80px 48px 96px;
  max-width: 1200px;
  margin: 0 auto;
}
.closing-rule {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 48px;
}
.closing-statement {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--fg);
  max-width: 900px;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 16px;
  color: var(--fg-muted);
  letter-spacing: 0.01em;
  margin-bottom: 40px;
  max-width: 560px;
}
.closing-cta-group {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.closing-view-pricing {
  font-size: 15px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.closing-view-pricing:hover { color: var(--fg); }

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--fg);
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}
.footer-nav {
  display: flex;
  gap: 24px;
}
.footer-nav a {
  font-size: 13px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-nav a:hover { color: var(--fg); }

/* MOBILE */
@media (max-width: 768px) {
  .site-header { padding: 16px 24px; }
  .header-nav { display: none; }
  .manifesto { padding: 64px 24px 56px; }
  .pricing { padding: 56px 24px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .testimonials { padding: 64px 24px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .ops { padding: 56px 24px; }
  .ops-grid { grid-template-columns: 1fr; }
  .principles { padding: 64px 24px; }
  .principles-inner { grid-template-columns: 1fr; gap: 48px; }
  .closing { padding: 56px 24px 72px; }
  .site-footer { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 8px; align-items: flex-start; }
}