/* ===== WealthCalcs - Financial Calculator Site ===== */
:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #22d3ee;
  --accent2: #34d399;
  --accent3: #f59e0b;
  --danger: #ef4444;
  --border: #334155;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* ===== Navigation ===== */
nav {
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo span { color: var(--accent2); }
.nav-links { display: flex; gap: 8px; list-style: none; }
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--bg-card); }
.nav-links a.active { color: var(--accent); background: rgba(34,211,238,0.1); }
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== Layout ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Hero Section ===== */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  background: linear-gradient(135deg, #0f172a 0%, #1a2744 50%, #0f172a 100%);
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 32px;
}

/* ===== Calculator Grid ===== */
.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  padding: 60px 0;
}

.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.calc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}
.calc-card .icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.calc-card h3 {
  font-size: 1.2rem;
  margin-bottom: 6px;
  color: var(--text);
}
.calc-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
}

/* ===== Calculator Page ===== */
.calc-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px;
}
.calc-page h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.calc-page .subtitle {
  color: var(--text-dim);
  margin-bottom: 32px;
  font-size: 1.05rem;
}
.calc-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-dim);
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.15);
}
.form-group .unit {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 4px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0891b2);
  color: #0f172a;
  width: 100%;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

/* ===== Results ===== */
.results {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: none;
}
.results.show { display: block; }
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.result-item {
  background: var(--bg);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
}
.result-item .label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.result-item .value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent2);
}
.chart-container {
  margin-top: 16px;
  background: var(--bg);
  border-radius: 8px;
  padding: 16px;
}
.chart-container canvas {
  width: 100%;
  height: 300px;
}

/* ===== Comparison Table ===== */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}
.compare-table th,
.compare-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.compare-table th {
  color: var(--text-dim);
  font-weight: 600;
}
.compare-table td { color: var(--text); }
.compare-table .best {
  color: var(--accent2);
  font-weight: 700;
}

/* ===== Blog Section ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  padding: 60px 0;
}
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.blog-card .category {
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  font-weight: 600;
}
.blog-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  line-height: 1.4;
}
.blog-card .excerpt {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.blog-card .date {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===== Blog Article ===== */
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px;
}
.article h1 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}
.article .meta {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 40px;
}
.article h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 40px 0 12px;
  color: var(--accent);
}
.article h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 28px 0 10px;
}
.article p {
  margin-bottom: 16px;
  color: var(--text-dim);
  line-height: 1.8;
}
.article ul, .article ol {
  margin: 12px 0 16px 24px;
  color: var(--text-dim);
}
.article li { margin-bottom: 8px; line-height: 1.7; }
.article strong { color: var(--text); }
.article blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--bg-card);
  border-radius: 0 8px 8px 0;
  color: var(--text-dim);
  font-style: italic;
}
.article .cta-box {
  background: linear-gradient(135deg, rgba(34,211,238,0.1), rgba(52,211,153,0.1));
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 24px;
  margin: 32px 0;
  text-align: center;
}
.article .cta-box p { color: var(--text); margin-bottom: 16px; }

/* ===== Section Headers ===== */
.section-title {
  text-align: center;
  padding-top: 60px;
}
.section-title h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.section-title p {
  color: var(--text-dim);
  font-size: 1.05rem;
}

/* ===== Footer ===== */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
  margin-top: 80px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-inner h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-inner p, .footer-inner a {
  font-size: 0.9rem;
  color: var(--text-dim);
  text-decoration: none;
  display: block;
  margin-bottom: 6px;
}
.footer-inner a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1200px;
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ===== CTA Strip ===== */
.cta-strip {
  background: linear-gradient(135deg, rgba(34,211,238,0.08), rgba(52,211,153,0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  margin: 60px 0;
}
.cta-strip h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.cta-strip p {
  color: var(--text-dim);
  margin-bottom: 24px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    padding: 16px;
    border-bottom: 1px solid var(--border);
  }
  .mobile-toggle { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
}

/* ===== Ad Units ===== */
.ad-container {
  margin: 32px 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
  min-height: 90px;
  text-align: center;
  overflow: hidden;
}
.ad-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 0;
}

/* ===== Affiliate CTA ===== */
.affiliate-cta {
  background: linear-gradient(135deg, rgba(245,158,11,0.06), rgba(34,211,238,0.06));
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: 32px;
}
.affiliate-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.affiliate-badge {
  display: inline-block;
  background: var(--accent3);
  color: #0f172a;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 1px;
}
.affiliate-cta p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.affiliate-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.affiliate-link {
  flex: 1;
  min-width: 160px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
  text-align: center;
}
.affiliate-link:hover {
  border-color: var(--accent3);
  background: rgba(245,158,11,0.08);
}
.affiliate-link small {
  display: block;
  color: var(--text-dim);
  font-weight: 400;
  font-size: 0.75rem;
  margin-top: 4px;
}
.affiliate-disclosure {
  font-size: 0.75rem !important;
  color: var(--text-dim) !important;
  margin-top: 16px !important;
  margin-bottom: 0 !important;
  opacity: 0.7;
}

/* ===== Newsletter ===== */
.newsletter-box {
  background: linear-gradient(135deg, rgba(34,211,238,0.08), rgba(52,211,153,0.08));
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  margin: 40px 0;
}
.newsletter-box h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}
.newsletter-box p {
  color: var(--text-dim);
  margin-bottom: 20px;
  font-size: 0.95rem;
}
.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto;
}
.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
}
.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
}
.newsletter-form button {
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--accent), #0891b2);
  color: #0f172a;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
}
.newsletter-form button:hover { opacity: 0.9; }
.newsletter-note {
  font-size: 0.75rem !important;
  color: var(--text-dim) !important;
  margin-top: 12px !important;
  margin-bottom: 0 !important;
}

/* ===== Support / Donate QR Section ===== */
.support-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  margin-top: 16px;
}
.support-box h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--accent);
}
.support-box > p {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 16px;
}
.qr-grid {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.qr-item {
  flex: 1;
  min-width: 140px;
  max-width: 180px;
}
.qr-placeholder {
  background: var(--bg);
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 20px 12px;
  text-align: center;
  color: var(--text-dim);
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
}
.qr-placeholder span {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}
.qr-placeholder small {
  font-size: 0.7rem;
  color: var(--text-dim);
  line-height: 1.3;
}
.qr-placeholder img {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  object-fit: contain;
}
.support-note {
  font-size: 0.75rem !important;
  color: var(--text-dim) !important;
  opacity: 0.6;
  margin: 0 !important;
}

/* ===== Recommended Tools Sidebar ===== */
.recommended-tools {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 32px 0;
}
.recommended-tools h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 16px;
}
.recommended-tools a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--text);
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 4px;
  transition: background 0.2s;
}
.recommended-tools a:hover { background: var(--bg); }
.recommended-tools a .rt-icon { font-size: 1.2rem; }
.recommended-tools a small {
  color: var(--text-dim);
  font-size: 0.75rem;
}

@media (max-width: 480px) {
  .result-grid { grid-template-columns: 1fr; }
  .calc-form { padding: 20px; }
  .hero { padding: 48px 16px 40px; }
  .affiliate-links { flex-direction: column; }
  .newsletter-form { flex-direction: column; }
  .newsletter-form button { width: 100%; }
}