/* ============================================
   VIRGINIA PAYCHECK CALCULATOR — CSS
   Clean, trustworthy financial tool aesthetic
   ============================================ */

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

:root {
  --navy: #1a2744;
  --navy-mid: #243358;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-pale: #eff6ff;
  --green: #16a34a;
  --green-pale: #f0fdf4;
  --amber: #d97706;
  --amber-pale: #fffbeb;
  --red-pale: #fef2f2;
  --red: #dc2626;
  --border: #e2e8f0;
  --border-mid: #cbd5e1;
  --text: #0f172a;
  --text-mid: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --bg: #f8fafc;
  --white: #ffffff;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.05);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ---- NAV ---- */
nav {
  background: var(--navy);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.2);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -.01em;
}
.nav-logo svg { width: 22px; height: 22px; fill: none; stroke: #60a5fa; stroke-width: 2; stroke-linecap: round; }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all .15s;
}
.nav-links a:hover, .nav-links a.active { color: #fff; background: rgba(255,255,255,.1); }

/* ---- HERO ---- */
.site-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 52px 24px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% 0%, rgba(37,99,235,.25) 0%, transparent 60%);
  pointer-events: none;
}
.state-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(37,99,235,.2);
  border: 1px solid rgba(96,165,250,.3);
  color: #93c5fd;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.site-header h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 400;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 14px;
}
.site-header h1 em { color: #60a5fa; font-style: normal; }
.site-header p {
  color: #94a3b8;
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto 24px;
}
.breadcrumb { font-size: 0.8rem; color: #64748b; margin-bottom: 12px; }
.breadcrumb a { color: #60a5fa; text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ---- MAIN ---- */
.container { max-width: 860px; margin: 0 auto; padding: 0 20px; }

/* ---- CALCULATOR ---- */
.calc-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin: -24px auto 40px;
  position: relative;
  z-index: 10;
  border: 1px solid var(--border);
}
.tabs {
  display: flex;
  background: #f1f5f9;
  border-bottom: 1px solid var(--border);
  padding: 8px 8px 0;
  gap: 4px;
}
.tab-btn {
  background: none;
  border: none;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  transition: all .15s;
  border-bottom: 2px solid transparent;
  position: relative;
  bottom: -1px;
}
.tab-btn.active { background: var(--white); color: var(--blue); border-color: var(--blue); }
.tab-btn:hover:not(.active) { background: var(--white); color: var(--text); }
.calc-body { padding: 28px; }
.panel { display: none; }
.panel.active { display: block; }

.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-mid);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 6px;
}
.input-row {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--border-mid);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
  transition: border-color .15s;
}
.input-row:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }
.input-row .prefix {
  padding: 0 12px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  background: #f8fafc;
  border-right: 1.5px solid var(--border);
  align-self: stretch;
  display: flex;
  align-items: center;
}
.input-row input, .input-row select {
  flex: 1;
  border: none;
  outline: none;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: transparent;
}
.input-row select { cursor: pointer; }
.unit {
  padding: 0 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: #f8fafc;
  border-left: 1.5px solid var(--border);
  align-self: stretch;
  display: flex;
  align-items: center;
}
.full { grid-column: 1 / -1; }

.calc-btn {
  width: 100%;
  background: var(--blue);
  color: #fff;
  border: none;
  padding: 14px 24px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .15s;
  letter-spacing: -.01em;
}
.calc-btn:hover { background: var(--blue-light); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,.3); }
.calc-btn:active { transform: none; }

/* ---- RESULTS ---- */
.results {
  display: none;
  margin-top: 24px;
  border: 1.5px solid #bfdbfe;
  border-radius: var(--radius-lg);
  background: var(--blue-pale);
  overflow: hidden;
}
.results.show { display: block; animation: slideIn .25s ease; }
@keyframes slideIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.results-header {
  background: var(--blue);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.results-header h3 { color: #fff; font-size: 0.9rem; font-weight: 600; }
.reset-btn {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  cursor: pointer;
  transition: background .15s;
}
.reset-btn:hover { background: rgba(255,255,255,.25); }
.results-body { padding: 20px; }
.result-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.result-card {
  background: var(--white);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  padding: 14px 16px;
  text-align: center;
}
.result-card.hi { border-color: var(--blue); box-shadow: 0 0 0 1px rgba(37,99,235,.2); }
.result-num {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--navy);
  line-height: 1.1;
  margin-bottom: 3px;
}
.result-card.hi .result-num { color: var(--blue); }
.result-lbl { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.breakdown-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.breakdown-table tr { border-bottom: 1px solid #dbeafe; }
.breakdown-table tr:last-child { border-bottom: none; }
.breakdown-table td { padding: 7px 4px; }
.breakdown-table td:last-child { text-align: right; font-weight: 600; }
.breakdown-table .takeHome td { color: var(--green); font-weight: 700; font-size: 0.95rem; }
.va-note {
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--green-pale);
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  font-size: 0.8rem;
  color: var(--green);
  display: flex;
  gap: 6px;
  align-items: flex-start;
}

/* ---- TAX FACT BOX ---- */
.tax-fact {
  background: linear-gradient(135deg, #1e3a5f 0%, #1a2744 100%);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  color: #fff;
  margin-bottom: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}
.tf-item { text-align: center; }
.tf-num { font-family: 'DM Serif Display', serif; font-size: 1.8rem; color: #60a5fa; line-height: 1; }
.tf-lbl { font-size: 0.75rem; color: #94a3b8; margin-top: 4px; text-transform: uppercase; letter-spacing: .04em; }

/* ---- ARTICLE SECTIONS ---- */
.section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}
.section h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 14px;
  line-height: 1.2;
}
.section h3 { font-size: 1rem; font-weight: 600; color: var(--text); margin: 20px 0 8px; }
.section p { color: var(--text-mid); margin-bottom: 12px; font-size: 0.95rem; line-height: 1.7; }
.section p:last-child { margin-bottom: 0; }
.tip {
  background: var(--amber-pale);
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 16px;
  font-size: 0.875rem;
  color: #92400e;
  margin: 16px 0;
}
.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; margin: 16px 0; }
.data-table th { background: #f1f5f9; text-align: left; padding: 10px 14px; font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); }
.data-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text-mid); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg); }

/* ---- FAQ ---- */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  padding: 16px 0;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-q::after { content: '+'; font-size: 1.2rem; color: var(--blue); font-weight: 400; flex-shrink: 0; }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a { font-size: 0.9rem; color: var(--text-mid); line-height: 1.7; padding-bottom: 16px; display: none; }
.faq-item.open .faq-a { display: block; }

/* ---- BLOG CARDS ---- */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; margin-top: 16px; }
.blog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  transition: all .2s;
  display: flex;
  flex-direction: column;
}
.blog-card:hover { box-shadow: var(--shadow); border-color: var(--blue-light); transform: translateY(-2px); }
.blog-card-img {
  background: linear-gradient(135deg, #1e3a5f, #2563eb);
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-card-body { padding: 16px; flex: 1; }
.blog-tag { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--blue); }
.blog-card-body h3 { font-size: 0.95rem; font-weight: 600; color: var(--navy); margin: 6px 0 8px; line-height: 1.4; }
.blog-card-body p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; margin: 0; }
.blog-meta { font-size: 0.75rem; color: var(--text-light); margin-top: 10px; }

/* ---- CALC NAV ---- */
.calc-nav { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; margin-top: 16px; }
.calc-nav-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-decoration: none;
  transition: all .15s;
}
.calc-nav-item:hover { border-color: var(--blue); background: var(--blue-pale); }
.calc-nav-item .cn-icon { font-size: 1.2rem; margin-bottom: 6px; }
.calc-nav-item .cn-name { font-size: 0.825rem; font-weight: 600; color: var(--navy); }
.calc-nav-item .cn-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }

/* ---- FOOTER ---- */
footer {
  background: var(--navy);
  color: #64748b;
  padding: 40px 24px 24px;
  margin-top: 60px;
}
.footer-inner {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 20px;
}
.footer-col h4 { color: #e2e8f0; font-size: 0.85rem; font-weight: 600; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .06em; }
.footer-col p { font-size: 0.825rem; line-height: 1.6; }
.footer-col a { display: block; color: #64748b; text-decoration: none; font-size: 0.825rem; margin-bottom: 6px; transition: color .15s; }
.footer-col a:hover { color: #94a3b8; }
.footer-bottom { max-width: 860px; margin: 0 auto; font-size: 0.78rem; text-align: center; }

/* ---- RESPONSIVE ---- */
@media (max-width: 600px) {
  .input-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .tax-fact { grid-template-columns: 1fr; gap: 12px; }
  .footer-inner { grid-template-columns: 1fr; }
  .calc-body { padding: 20px; }
  .section { padding: 24px 18px; }
}