/* Rinofanto brand tokens — shared by all variations */
:root {
  --lilac: #C7C3D4;
  --lilac-2: #B8B3C9;
  --lilac-3: #D6D2DF;
  --ink: #0A0A0A;
  --ink-2: #1B1B22;
  --paper: #EDEBF0;
  --cream: #F1EFEA;
  --ochre: oklch(0.72 0.09 70);     /* warm accent */
  --slate: oklch(0.42 0.04 260);    /* cool accent */
  --rule: rgba(10,10,10,0.18);
  --rule-light: rgba(10,10,10,0.08);
  --pad-x: 56px;
  --pad-x-lg: 96px;
}

@font-face { font-family: 'fallback'; src: local('Helvetica Neue'), local('Helvetica'), local('Arial'); }

html, body {
  margin: 0;
  background: var(--lilac);
  color: var(--ink);
  font-family: 'Inter Tight', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  overflow-x: hidden;
}

* { box-sizing: border-box; }

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

.mono {
  font-family: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;
  font-variant-ligatures: none;
  letter-spacing: 0.02em;
}

.bracket {
  font-family: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bracket::before { content: '['; }
.bracket::after  { content: ']'; }

/* Display type — uppercase, tight, heavy */
.display {
  font-family: 'Archivo', 'Inter Tight', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.025em;
  line-height: 0.92;
}

/* the 3D-R logomark — flat SVG approximation of the brand mark */
.r-mark {
  width: 36px;
  height: 36px;
  display: inline-block;
  flex: 0 0 auto;
}

/* page chrome */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 26px var(--pad-x-lg);
  background: var(--lilac);
}
.nav-links {
  display: flex;
  gap: 56px;
  font-size: 15px;
  letter-spacing: 0.01em;
}
.nav-links a { position: relative; padding: 4px 0; }
.nav-links a.active::after {
  content:'';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--ink);
}
.nav-cta {
  justify-self: end;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: background .15s, color .15s;
}
.nav-cta:hover { background: var(--ink); color: var(--lilac); }

/* footer mood stripe */
.mood-stripe {
  display: flex;
  justify-content: space-between;
  align-items: end;
  padding: 28px var(--pad-x-lg) 36px;
  font-size: 13px;
}
.mood-stripe .codes {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: 0.04em;
}

/* utilities */
.rule { height: 1px; background: var(--rule); width: 100%; }
.rule-thin { height: 1px; background: var(--rule-light); width: 100%; }

/* placeholder image style — stripes + monospace label */
.placeholder {
  position: relative;
  background:
    repeating-linear-gradient(45deg,
      rgba(10,10,10,0.08) 0 1px,
      transparent 1px 14px),
    var(--lilac-2);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  overflow: hidden;
}
.placeholder.dark {
  background:
    repeating-linear-gradient(45deg,
      rgba(255,255,255,0.06) 0 1px,
      transparent 1px 14px),
    var(--ink-2);
  color: var(--lilac);
}

/* CTA button */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  background: var(--ink);
  color: var(--lilac);
  border-radius: 999px;
  font-size: 15px;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: transform .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn .arrow {
  width: 18px; height: 18px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 4px;
}

/* common section spacing */
section { padding: 120px var(--pad-x-lg); }
section + section { border-top: 1px solid var(--rule); }