/* ================================================================
   NUMR — Shared Styles
   Loaded by: index.html, tax-calculator.html, blog.html
   ================================================================ */

/* ── DESIGN TOKENS ── */
:root {
  /* Indigo palette (primary brand) */
  --indigo-900: #1E1B4B;
  --indigo-800: #312E81;
  --indigo-700: #4338CA;
  --indigo-600: #4F46E5;
  --indigo-500: #6366F1;
  --indigo-400: #818CF8;
  --indigo-200: #C7D2FE;
  --indigo-100: #E0E7FF;
  --indigo-50:  #EEF2FF;

  /* Aliases — lets components written with --green-* auto-update */
  --green-900: var(--indigo-900);
  --green-800: var(--indigo-800);
  --green-700: var(--indigo-700);
  --green-600: var(--indigo-600);
  --green-400: var(--indigo-400);
  --green-200: var(--indigo-200);
  --green-100: var(--indigo-100);
  --green-50:  var(--indigo-50);

  /* Amber accent */
  --amber-600: #BA7517;
  --amber-400: #EF9F27;
  --amber-100: #FAC775;
  --amber-50:  #FAEEDA;

  /* Neutrals */
  --ink:       #111827;
  --ink-muted: #374151;
  --ink-faint: #6B7280;
  --surface:   #F9FAFB;
  --white:     #FFFFFF;
  --border:    rgba(17,24,39,0.08);
  --border-md: rgba(17,24,39,0.14);

  /* Border radius scale */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Layout */
  --max-w: 1120px;
  --nav-h: 68px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--surface);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

/* ── SITE NAV ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249,250,251,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo: image + wordmark */
.nav-logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-img {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  object-fit: contain;
  display: block;
}
.nav-logo-text {
  font-family: 'DM Sans', sans-serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--indigo-600);
  letter-spacing: -0.3px;
  line-height: 1;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--indigo-600); }

/* Nav CTA button */
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  background: var(--indigo-600);
  color: #fff;
  border-radius: var(--radius-md);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
  flex-shrink: 0;
}
.nav-cta:hover { background: var(--indigo-700); }

/* Nav badge (used on tool pages instead of CTA) */
.nav-badge {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: var(--indigo-50);
  color: var(--indigo-700);
  border: 1px solid var(--indigo-200);
  border-radius: 100px;
  padding: 4px 12px;
  flex-shrink: 0;
}

/* ── SITE FOOTER ── */
.site-footer {
  background: var(--indigo-900);
  padding: 72px 0 44px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 56px;
  margin-bottom: 56px;
}

/* Footer wordmark (text-only, no image) */
.footer-logo {
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.3px;
  display: block;
  margin-bottom: 14px;
}
.footer-logo span { color: var(--indigo-400); }

.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.48);
  line-height: 1.70;
  margin-bottom: 28px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.09);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.50);
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.footer-social a:hover {
  background: var(--indigo-600);
  color: #fff;
  border-color: var(--indigo-600);
}

.footer-col-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.28);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.50);
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p,
.footer-bottom a {
  font-size: 12px;
  color: rgba(255,255,255,0.28);
  text-decoration: none;
}
.footer-bottom a:hover { color: rgba(255,255,255,0.60); }

/* ── SHARED RESPONSIVE ── */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}