:root {
  --primary: #C08A3E;
  --primary-hover: #D6A254;
  --on-primary: #1D1509;
  --surface: #1F1D17;
  --surface-border: #322F26;
  --text: #EDE8DE;
  --text-muted: #8C8474;
  --ground: #161510;
  --success: #6E8F5C;
  --error: #B4543B;
  --max: 1080px;
  --header: 72px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header) + 16px);
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: "Instrument Sans", -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display {
  font-family: "Instrument Serif", Georgia, serif;
  font-weight: 400;
  line-height: 1.15;
  margin: 0;
  letter-spacing: 0.005em;
}

p { margin: 0 0 1em; color: var(--text); }
p:last-child { margin-bottom: 0; }

.mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* -------- Header -------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header);
  display: flex;
  align-items: center;
  background: rgba(22, 21, 16, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand img, .brand svg { width: 28px; height: 28px; display: block; }

.brand span {
  font-family: "Instrument Serif", serif;
  font-size: 1.3rem;
  color: var(--text);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a:not(.button) {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 150ms ease-out;
}
.site-nav a:not(.button):hover { color: var(--text); }

.menu-button {
  display: none;
  background: none;
  border: 1px solid var(--surface-border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
}

/* -------- Buttons -------- */
.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 14px;
  font-family: "Instrument Sans", sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  box-shadow: 0 12px 24px -16px rgba(0,0,0,0.7);
}
.button-primary {
  background: var(--primary);
  color: var(--on-primary);
}
.button-primary:hover { background: var(--primary-hover); }
.button-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--surface-border);
  box-shadow: none;
}
.button-secondary:hover { border-color: var(--text-muted); }

/* -------- Hero -------- */
.hero {
  padding: 88px 0 64px;
}
.hero-mark {
  width: 84px;
  height: 84px;
  margin-bottom: 28px;
  filter: drop-shadow(0 20px 32px rgba(0,0,0,0.55));
}
.eyebrow {
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 14px;
  font-weight: 600;
}
.hero h1 {
  font-size: clamp(3rem, 8vw, 5.2rem);
  color: var(--text);
}
.hero-lede {
  font-family: "Instrument Serif", serif;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  color: var(--text);
  max-width: 640px;
  margin: 18px 0 14px;
}
.hero-copy {
  color: var(--text-muted);
  max-width: 560px;
  font-size: 1.02rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 18px;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 9999px;
  border: 1px solid var(--surface-border);
  background: var(--surface);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.status-pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--success);
}

/* -------- Proof strip -------- */
.proof-strip {
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
  padding: 32px 0;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.proof-item strong {
  display: block;
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 4px;
}
.proof-item span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* -------- Sections -------- */
.band { padding: 80px 0; }
.band-alt { background: var(--surface); }
.section-intro { max-width: 640px; margin-bottom: 44px; }
.section-intro h2 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin: 8px 0 12px; }
.section-intro p { color: var(--text-muted); }

/* How it works: numbered steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 24px 20px;
  box-shadow: 0 18px 30px -22px rgba(0,0,0,0.6);
}
.step-num {
  font-family: "JetBrains Mono", monospace;
  color: var(--primary);
  font-size: 0.85rem;
  margin-bottom: 14px;
  display: block;
}
.step h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--text);
}
.step p { color: var(--text-muted); font-size: 0.92rem; }

/* Screenshot strip */
.screenshot-strip {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x proximity;
}
.screenshot-strip img {
  height: 460px;
  width: auto;
  flex: 0 0 auto;
  border-radius: 18px;
  border: 1px solid var(--surface-border);
  box-shadow: 0 24px 40px -18px rgba(0,0,0,0.7);
  scroll-snap-align: start;
}
@media (max-width: 640px) {
  .screenshot-strip img { height: 360px; }
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--ground);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 22px 20px;
}
.feature-card h3 {
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 8px;
  font-family: "Instrument Sans", sans-serif;
  font-weight: 600;
}
.feature-card p { color: var(--text-muted); font-size: 0.9rem; }
.feature-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  color: var(--primary);
  font-size: 1.1rem;
}

/* Philosophy quote */
.philosophy {
  padding: 88px 0;
  text-align: left;
}
.philosophy blockquote {
  font-family: "Instrument Serif", serif;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  color: var(--text);
  margin: 0 0 20px;
  max-width: 760px;
  line-height: 1.3;
}
.philosophy cite {
  font-style: normal;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Privacy band */
.privacy-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 28px 28px;
  background: var(--surface);
}
.privacy-band h3 { font-size: 1.3rem; margin-bottom: 6px; color: var(--text); }
.privacy-band p { color: var(--text-muted); max-width: 480px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--surface-border);
  padding: 40px 0;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
.footer-links a { color: var(--text-muted); font-size: 0.88rem; }
.footer-links a:hover { color: var(--text); }
.footer-meta { color: var(--text-muted); font-size: 0.82rem; }

/* -------- Responsive -------- */
@media (max-width: 860px) {
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .site-nav:not(.open) { display: none; }
  .menu-button { display: inline-flex; }
  .site-nav.open {
    position: absolute;
    top: var(--header);
    left: 0; right: 0;
    background: var(--ground);
    border-bottom: 1px solid var(--surface-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 18px;
  }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .privacy-band { flex-direction: column; align-items: flex-start; }
}