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

:root {
  --blue: #2F4891;
  --blue-dark: #1E2E5E;
  --blue-light: #4A63A8;
  --white: #FFFFFF;
  --off-white: #F7F8FC;
  --ink: #111827;
  --mid: #4B5563;
  --soft: #9CA3AF;
  --border: #E2E6F0;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV (matches calculators) ── */
nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
}
.nav-logo { display: inline-flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 32px; width: auto; display: block; }
.nav-right { display: flex; align-items: center; gap: 2rem; }
.nav-link, .nav-back, .nav-dropdown-trigger {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--mid); text-decoration: none;
  display: flex; align-items: center; gap: 0.4rem; transition: color 0.2s;
  background: none; border: none; font-family: inherit; padding: 0; cursor: pointer;
}
.nav-link:hover, .nav-back:hover, .nav-dropdown-trigger:hover, .nav-dropdown-trigger.open { color: var(--blue); }
.nav-dropdown { position: relative; display: flex; align-items: center; }
.nav-dropdown-trigger svg { transition: transform 0.2s; }
.nav-dropdown-trigger.open svg { transform: rotate(180deg); }
.nav-dropdown-menu {
  display: none; position: absolute; top: calc(100% + 0.6rem); right: 0;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 4px; min-width: 240px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1); z-index: 300;
  max-height: calc(100dvh - 6rem); overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
}
.nav-dropdown-menu.open { display: block; }
.nav-dropdown-menu a {
  display: block; padding: 0.85rem 1.25rem;
  font-size: 0.78rem; font-weight: 400; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--mid); text-decoration: none;
  border-bottom: 1px solid var(--border); transition: background 0.15s, color 0.15s;
}
.nav-dropdown-menu a:last-child { border-bottom: none; }
.nav-dropdown-menu a:hover { background: var(--off-white); color: var(--blue); }
@media (max-width: 640px) {
  nav { padding: 1rem 1.25rem; }
  .nav-right { gap: 1.1rem; }
  .nav-back span { display: none; }
}

/* ── PREVIEW BANNER ── */
.preview-banner {
  background: var(--blue-dark); color: rgba(255,255,255,0.85);
  font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase;
  text-align: center; padding: 0.6rem 1rem;
}

/* ── POST HEADER ── */
.post-header { background: var(--blue); padding: 4rem 2rem 3.5rem; }
.post-header-inner { max-width: 760px; margin: 0 auto; }
.post-eyebrow {
  display: inline-block; font-size: 0.74rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.75); text-decoration: none;
  margin-bottom: 1.2rem;
}
.post-eyebrow:hover { color: var(--white); }
.post-header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800;
  line-height: 1.1; color: var(--white); margin-bottom: 1.2rem;
}
.post-standfirst {
  font-size: 1.08rem; font-weight: 300; line-height: 1.7;
  color: rgba(255,255,255,0.85); max-width: 640px;
}
.post-meta {
  display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap;
  margin-top: 1.8rem; font-size: 0.8rem; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.65);
}
.post-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: rgba(255,255,255,0.4); }

/* ── POST BODY ── */
.post-main { max-width: 760px; margin: 0 auto; padding: 3.5rem 2rem 4rem; }
.post-body { font-size: 1.08rem; line-height: 1.8; color: var(--ink); font-weight: 400; }
.post-body > * + * { margin-top: 1.4rem; }
.post-body h2 {
  font-family: 'Playfair Display', serif; font-size: 1.7rem; font-weight: 700;
  line-height: 1.25; margin-top: 3rem; color: var(--ink);
}
.post-body h3 {
  font-family: 'Playfair Display', serif; font-size: 1.3rem; font-weight: 700;
  line-height: 1.3; margin-top: 2.2rem;
}
.post-body p:first-child { font-size: 1.15rem; }
.post-body a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.post-body ul, .post-body ol { padding-left: 1.4rem; }
.post-body li + li { margin-top: 0.5rem; }
.post-body blockquote {
  border-left: 3px solid var(--blue); padding: 0.4rem 0 0.4rem 1.4rem;
  font-family: 'Playfair Display', serif; font-style: italic; font-size: 1.2rem;
  color: var(--mid);
}
.post-body strong { font-weight: 600; }
.post-body table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.post-body th, .post-body td { padding: 0.65rem 0.8rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.post-body th { background: var(--off-white); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--mid); font-weight: 600; }
.post-body hr { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }

/* ── NEXT STEP ── */
.post-next-step {
  margin-top: 3.5rem; padding: 2.2rem 2.2rem;
  background: var(--off-white); border: 1px solid var(--border); border-radius: 4px;
}
.post-next-label {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 0.8rem;
}
.post-next-step h3 {
  font-family: 'Playfair Display', serif; font-size: 1.4rem; font-weight: 700; margin-bottom: 0.6rem;
}
.post-next-step p { color: var(--mid); line-height: 1.7; max-width: 520px; }
.post-next-btn {
  display: inline-block; margin-top: 1.3rem;
  background: var(--blue); color: var(--white);
  padding: 0.85rem 1.9rem; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  border-radius: 2px; transition: background 0.2s;
}
.post-next-btn:hover { background: var(--blue-dark); }

/* ── EMAIL ME THIS ARTICLE ── */
.post-email {
  margin-top: 3.5rem; padding: 2.2rem 2.2rem;
  background: var(--white); border: 1px solid var(--border); border-radius: 4px;
}
.post-email h3 {
  font-family: 'Playfair Display', serif; font-size: 1.4rem; font-weight: 700; margin-bottom: 0.6rem;
}
.post-email p { color: var(--mid); line-height: 1.7; max-width: 520px; }
.post-email-form { display: flex; flex-wrap: wrap; gap: 0.85rem; align-items: flex-end; margin-top: 1.4rem; }
.post-email-field { display: flex; flex-direction: column; flex: 1 1 200px; min-width: 160px; }
.post-email-field label {
  font-size: 0.72rem; font-weight: 600; color: var(--mid);
  letter-spacing: 0.04em; margin-bottom: 0.35rem;
}
.post-email-field input, .post-email-field select {
  font-family: 'DM Sans', sans-serif; font-size: 0.95rem; color: var(--ink);
  background: var(--off-white); border: 1px solid var(--border);
  border-radius: 4px; padding: 0.75rem 0.85rem; width: 100%;
}
.post-email-field select {
  padding-right: 2.2rem; -webkit-appearance: none; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234B5563' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
.post-email-field input:focus, .post-email-field select:focus { outline: none; border-color: var(--blue); }
.post-email-btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--blue); color: var(--white);
  border: 1px solid var(--blue); border-radius: 2px;
  padding: 0.85rem 1.6rem; font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  cursor: pointer; transition: background 0.2s, opacity 0.2s; white-space: nowrap;
}
.post-email-btn:hover { background: var(--blue-dark); border-color: var(--blue-dark); }
.post-email-btn:disabled { opacity: 0.6; cursor: default; }
.post-email-status { font-size: 0.85rem; color: var(--mid); margin-top: 0.9rem; line-height: 1.6; }
.post-email-status:empty { display: none; }
.post-email-status.error { color: var(--ink); font-weight: 600; }
.post-email-sent { color: var(--mid); line-height: 1.7; margin: 0; }
@media (max-width: 640px) {
  .post-email { padding: 1.6rem 1.25rem; }
  .post-email-field { flex-basis: 100%; }
  .post-email-btn { width: 100%; }
}

/* ── RELATED ── */
.post-related { margin-top: 3.5rem; }
.post-related-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }

/* ── RELATED TOOLS ── */
.post-tools { margin-top: 3.5rem; }
.post-tools-list { list-style: none; border-top: 1px solid var(--border); }
.post-tools-list li { padding: 0.9rem 0; border-bottom: 1px solid var(--border); display: flex; flex-direction: column; gap: 0.2rem; }
.post-tools-list a { font-family: 'Playfair Display', serif; font-size: 1.1rem; font-weight: 700; color: var(--ink); text-decoration: none; }
.post-tools-list a:hover { color: var(--blue); }
.post-tools-list span { font-size: 0.92rem; color: var(--mid); line-height: 1.6; }
.post-tools-more { margin-top: 1rem; font-size: 0.92rem; color: var(--mid); line-height: 1.7; }
.post-tools-more a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 600px) { .post-related-grid { grid-template-columns: 1fr; } }

/* ── CARDS (shared by index + related) ── */
.blog-card {
  background: var(--white); border: 1px solid var(--border); border-radius: 3px;
  padding: 1.8rem 1.7rem; text-decoration: none; display: flex; flex-direction: column;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s; position: relative; overflow: hidden;
}
.blog-card::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--blue), transparent); opacity: 0; transition: opacity 0.3s;
}
.blog-card:hover { border-color: rgba(47,72,145,0.3); box-shadow: 0 12px 40px rgba(26,20,16,0.07); transform: translateY(-3px); }
.blog-card:hover::before { opacity: 1; }
.blog-card-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; gap: 1rem; }
.blog-card-tag { font-size: 0.72rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); }
.blog-card-date { font-size: 0.78rem; font-weight: 300; color: var(--mid); letter-spacing: 0.04em; white-space: nowrap; }
.blog-card-title { font-family: 'Playfair Display', serif; font-size: 1.25rem; font-weight: 700; color: var(--ink); line-height: 1.3; margin-bottom: 0.8rem; }
.blog-card-excerpt { font-size: 0.97rem; line-height: 1.75; color: var(--mid); flex: 1; margin-bottom: 1.3rem; }
.blog-card-read { display: flex; align-items: center; gap: 0.4rem; font-size: 0.78rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); transition: gap 0.2s; }
.blog-card:hover .blog-card-read { gap: 0.7rem; }

/* ── DISCLAIMER + FOOTER ── */
.post-disclaimer { margin-top: 3rem; font-size: 0.76rem; color: var(--soft); line-height: 1.65; }
.post-footer {
  background: var(--blue-dark); padding: 2.5rem 2rem;
  display: flex; flex-direction: column; align-items: center; gap: 1rem; text-align: center;
}
.post-footer img { height: 28px; width: auto; }
.post-footer p { font-size: 0.78rem; color: rgba(255,255,255,0.6); line-height: 1.65; max-width: 560px; }
.post-footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.post-footer-links a { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.75); text-decoration: none; }
.post-footer-links a:hover { color: var(--white); }

/* ── INDEX PAGE ── */
.index-header { background: var(--blue); padding: 4rem 2rem 3.5rem; text-align: center; }
.index-header p.eyebrow { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,255,255,0.7); margin-bottom: 1rem; }
.index-header h1 { font-family: 'Playfair Display', serif; font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; color: var(--white); line-height: 1.08; }
.index-header h1 em { font-style: italic; color: rgba(255,255,255,0.75); }
.index-header p.lede { font-size: 1.02rem; color: rgba(255,255,255,0.8); max-width: 560px; margin: 1.2rem auto 0; line-height: 1.7; font-weight: 300; }
.index-main { max-width: 1100px; margin: 0 auto; padding: 3rem 2rem 4rem; }
.index-filters { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.index-filter {
  font-size: 0.74rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--mid); background: var(--white); border: 1px solid var(--border); border-radius: 100px;
  padding: 0.45rem 1rem; cursor: pointer; font-family: inherit; transition: all 0.15s;
}
.index-filter.active, .index-filter:hover { background: var(--blue); border-color: var(--blue); color: var(--white); }
.index-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
@media (max-width: 1000px) { .index-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .index-grid { grid-template-columns: 1fr; } .index-main { padding: 2rem 1.25rem 3rem; } .post-main { padding: 2.5rem 1.25rem 3rem; } .post-header, .index-header { padding: 3rem 1.25rem 2.5rem; } }
.index-empty { color: var(--soft); text-align: center; padding: 3rem 1rem; }

.post-body figure.post-chart { margin: 1.75rem 0; padding: 1rem 1rem 0.5rem; border: 1px solid #E2E6F0; border-radius: 8px; background: #F7F8FC; }
.post-body figure.post-chart figcaption { font-size: 0.85rem; color: #5b6475; margin-top: 0.5rem; }
.post-body table th { text-align: left; }
.post-body table td:first-child { font-weight: 500; }

@media print {
  nav, .post-next-step, .post-tools, .post-related, .post-footer, .preview-banner { display: none !important; }
  .post-header { background: white; color: black; padding: 0 0 1rem; }
  .post-header h1, .post-standfirst, .post-meta, .post-eyebrow { color: black !important; }
}

/* Photographic bands — Josh's own photos, brand-blue duotone from tools/photo_bands.py */
.post-header.has-photo { background-size: cover; background-position: center; }
.place-band { height: clamp(160px, 26vw, 300px); background-size: cover; background-position: center; position: relative; }
.place-band span { position: absolute; left: 0; right: 0; bottom: 0; padding: 0.7rem 2rem; font-family: 'DM Sans', sans-serif; font-size: 0.72rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.82); }
.place-band span b { font-weight: 500; display: block; max-width: 760px; margin: 0 auto; }
@media print { .place-band { display: none; } }