/* ============================================================================
 * Nordic Reductive — shared tokens + base components
 * Used by: portfolio.html, manifesto.html,
 *          dossier.html, process.html
 * Fonts: Inter + Inter Tight via Google Fonts (loaded in each HTML)
 * ========================================================================== */

/* ── Tokens ── */
:root {
  --paper:     #FAFAF7;
  --surface:   #FFFFFF;
  --ink:       #1A1A18;
  --muted:     #6E6B64;
  --rule:      #E6E3DC;
  --clay:      #B0A695;
  --clay-deep: #7C7261;
  --flare:     #ff361a;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ── Nav ── */
.nr-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  height: 60px;
  background: var(--paper);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.nr-nav.scrolled {
  border-color: var(--rule);
  background: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(12px);
}

.nr-nav-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}
.nr-nav-logo svg { height: 22px; width: auto; flex-shrink: 0; }
.nr-logo-img { height: 26px; width: auto; flex-shrink: 0; }

.nr-wordmark {
  font-family: 'Inter Tight', 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.nr-nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
.nr-nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}
.nr-nav-links a:hover { color: var(--ink); }

/* ── Reveal animation ── */
.nr-reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}
.nr-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.nr-reveal-delay-1 { transition-delay: 80ms; }
.nr-reveal-delay-2 { transition-delay: 160ms; }
.nr-reveal-delay-3 { transition-delay: 240ms; }

/* ── Helpers ── */
.nr-eyebrow {
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 400;
  display: block;
}

.nr-rule { border: 0; border-top: 1px solid var(--rule); }
.nr-clay-rule { border: 0; border-top: 1px solid var(--clay); }

.nr-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.15rem;
  transition: gap 0.25s var(--ease);
}
.nr-link:hover { gap: 0.9rem; color: var(--flare); border-color: var(--flare); }

/* ── Footer ── */
.nr-footer {
  padding: 4rem 3rem 2.5rem;
  border-top: 1px solid var(--rule);
}
.nr-footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--rule);
}
.nr-footer-logo {
  font-family: 'Inter Tight', 'Inter', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--flare);
  display: block;
  margin-bottom: 0.35rem;
}
.nr-footer-logo-img { height: 22px; width: auto; display: block; margin-bottom: 0.35rem; }
.nr-footer-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.nr-footer-coord {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-align: center;
}
.nr-footer-right { text-align: right; }
.nr-footer-email {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  display: inline-block;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.15rem;
  margin-bottom: 0.75rem;
  transition: border-color 0.2s;
}
.nr-footer-email:hover { border-color: var(--ink); }
.nr-footer-social {
  display: flex;
  gap: 1.5rem;
  justify-content: flex-end;
}
.nr-footer-social a {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}
.nr-footer-social a:hover { color: var(--ink); }
.nr-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nr-footer-bottom p,
.nr-footer-bottom a {
  font-size: 0.6875rem;
  color: var(--muted);
  letter-spacing: 0.03em;
}

/* ── Process / How we work ── */
.process {
  padding: 5rem 3rem;
  border-bottom: 1px solid var(--rule);
}
.process-eyebrow { margin-bottom: 2rem; }
.process-step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-top: 1px solid var(--clay);
}
.process-step:last-child { border-bottom: 1px solid var(--clay); }
.process-num {
  font-family: 'Inter Tight', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--clay-deep);
  padding-top: 0.2rem;
}
.process-title {
  font-family: 'Inter Tight', sans-serif;
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.process-desc {
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--muted);
  max-width: 560px;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .nr-nav { padding: 0 1.5rem; }
  .nr-nav-links { display: none; }
  .nr-footer { padding: 3rem 1.5rem 2rem; }
  .nr-footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-bottom: 2rem;
    margin-bottom: 2rem;
  }
  .nr-footer-right { text-align: left; }
  .nr-footer-coord { text-align: left; }
  .nr-footer-social { justify-content: flex-start; }
  .nr-footer-bottom { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
  .process { padding: 3.5rem 1.5rem; }
  .process-step { grid-template-columns: 2rem 1fr; gap: 1rem; }
}