@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Source+Serif+4:ital,opsz,wght@0,8..60,300;0,8..60,400;1,8..60,300;1,8..60,400&family=DM+Sans:wght@400;500;600&display=swap');

/* ─── Reset & Base ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --cream:     #FAFAF8;
  --cream-2:   #F3F1EC;
  --cream-3:   #EAE7E0;
  --ink:       #1A1814;
  --ink-2:     #3D3A34;
  --ink-3:     #6B6760;
  --ink-4:     #9B978F;
  --rust:      #E8630A;
  --rust-light:#FFF4ED;
  --rust-dark: #C4520A;
  --border:    #E0DDD6;
  --serif:     'Playfair Display', Georgia, serif;
  --body-serif:'Source Serif 4', Georgia, serif;
  --sans:      'DM Sans', system-ui, sans-serif;
  --max:       1120px;
  --radius:    6px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--cream);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ─── Utility ─── */
.container { max-width: var(--max); margin: 0 auto; padding: 0 40px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ─── Nav ─── */
.site-nav {
  background: var(--cream);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-logo {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.3px;
}
.nav-logo span { color: var(--rust); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  color: var(--ink-3);
  font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  background: var(--ink);
  color: var(--cream) !important;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  transition: background 0.15s !important;
}
.nav-cta:hover { background: var(--ink-2) !important; }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: 0.2s; }

/* ─── Footer ─── */
.site-footer {
  background: var(--ink);
  color: var(--cream);
  padding: 56px 0 32px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-logo {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-logo span { color: var(--rust); }
.footer-tagline { font-size: 14px; color: rgba(255,255,255,0.45); line-height: 1.6; }
.footer-col h4 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color 0.15s; }
.footer-col ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}

/* ─── Buttons ─── */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.15s;
  border: none;
  text-align: center;
}
.btn-primary { background: var(--rust); color: #fff; }
.btn-primary:hover { background: var(--rust-dark); }
.btn-dark { background: var(--ink); color: var(--cream); }
.btn-dark:hover { background: var(--ink-2); }
.btn-outline { background: transparent; color: var(--ink); border: 1.5px solid var(--border); }
.btn-outline:hover { border-color: var(--ink-3); }

/* ─── Tags ─── */
.tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 10px;
}

/* ─── Article Cards ─── */
.article-card {
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--border);
  padding-top: 20px;
  transition: border-color 0.15s;
  cursor: pointer;
}
.article-card:hover { border-top-color: var(--rust); }
.article-card:hover .card-title { color: var(--rust-dark); }
.card-title {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 10px;
  transition: color 0.15s;
}
.card-excerpt {
  font-family: var(--body-serif);
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.65;
  font-weight: 300;
  flex: 1;
}
.card-meta {
  margin-top: 16px;
  font-size: 12px;
  color: var(--ink-4);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-meta span.dot { width: 3px; height: 3px; background: var(--ink-4); border-radius: 50%; display: inline-block; }

/* ─── Article Body (reading page) ─── */
.article-body {
  font-family: var(--body-serif);
  font-size: 18px;
  line-height: 1.8;
  color: var(--ink-2);
  font-weight: 300;
  max-width: 720px;
  margin: 0 auto;
}
.article-body p { margin-bottom: 1.5em; }
.article-body h2 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--ink);
  margin: 2.4em 0 0.6em;
  line-height: 1.25;
}
.article-body ul {
  margin: 0 0 1.5em 1.5em;
}
.article-body ul li {
  margin-bottom: 0.6em;
  padding-left: 0.4em;
}
.article-body strong {
  font-weight: 600;
  color: var(--ink);
}
.article-body .diagnostic-box {
  background: var(--cream-2);
  border-left: 4px solid var(--rust);
  padding: 24px 28px;
  margin: 2em 0;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.article-body .diagnostic-box .box-label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 12px;
}
.article-body .diagnostic-box p {
  font-size: 16px;
  margin-bottom: 0.8em;
  color: var(--ink-2);
}
.article-body .diagnostic-box p:last-child { margin-bottom: 0; }
.article-body .cta-inline {
  background: var(--cream-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 2.5em 0;
  font-family: var(--body-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--ink-2);
  line-height: 1.6;
}
.author-bio-box {
  max-width: 720px;
  margin: 48px auto 0;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-4);
  line-height: 1.6;
}

/* ─── Forms ─── */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.15s;
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--rust); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  background: var(--cream-2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.form-success .check { font-size: 32px; margin-bottom: 12px; }
.form-success h3 { font-family: var(--serif); font-size: 22px; color: var(--ink); margin-bottom: 8px; }
.form-success p { font-family: var(--body-serif); font-size: 15px; color: var(--ink-3); }

/* ─── Sections ─── */
.section-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 12px;
  display: block;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ─── TLDR Box ─── */
.tldr-box {
  max-width: 720px;
  margin: 0 auto 40px;
  background: var(--cream-2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--rust);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
}
.tldr-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--rust);
  margin-bottom: 14px;
}
.tldr-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tldr-list li {
  font-family: var(--body-serif);
  font-size: 15px;
  font-weight: 300;
  color: var(--ink-2);
  line-height: 1.55;
  padding-left: 16px;
  position: relative;
}
.tldr-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--rust);
  font-weight: 400;
}

/* ─── Article Grid — Option C (filter + toggle) ─── */
.gc-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.gc-tbtns {
  display: flex;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}
.gc-tbtn {
  padding: 7px 16px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-3);
  cursor: pointer;
  background: none;
  border: none;
  transition: 0.15s;
}
.gc-tbtn.gc-on { background: var(--ink); color: var(--cream); }
.gc-sep { width: 1px; height: 22px; background: var(--border); flex-shrink: 0; }
.gc-pills { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
.gc-pill {
  padding: 5px 14px;
  border-radius: 100px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid var(--border);
  color: var(--ink-3);
  background: #fff;
  transition: 0.15s;
  white-space: nowrap;
}
.gc-pill:hover { border-color: var(--ink-3); }
.gc-pill.gc-on { background: var(--rust); color: #fff; border-color: var(--rust); }
.gc-count {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-4);
  margin-left: auto;
  white-space: nowrap;
}
.gc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gc-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  cursor: pointer;
}
.gc-card:hover { border-color: var(--rust); }
.gc-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 3px;
  margin-bottom: 10px;
  align-self: flex-start;
}
.gc-crm { background: var(--rust-light); color: var(--rust); }
.gc-dec { background: #E6F1FB; color: #185FA5; }
.gc-ops { background: #EAF3DE; color: #3B6D11; }
.gc-fin { background: #FCEBEB; color: #A32D2D; }
.gc-title {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 10px;
  flex: 1;
  transition: color 0.15s;
}
.gc-card:hover .gc-title { color: var(--rust-dark); }
.gc-excerpt {
  font-family: var(--body-serif);
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.6;
  font-weight: 300;
  margin-bottom: 14px;
}
.gc-meta {
  font-size: 11px;
  color: var(--ink-4);
  font-family: var(--sans);
  border-top: 1px solid var(--border);
  padding-top: 10px;
}
@media (max-width: 900px) {
  .gc-grid { grid-template-columns: repeat(2, 1fr); }
  .gc-topbar { gap: 8px; }
  .gc-count { display: none; }
}
@media (max-width: 600px) {
  .gc-grid { grid-template-columns: 1fr; }
  .gc-sep { display: none; }
}

/* ─── Back to main site link ─── */
.nav-back {
  font-size: 13px;
  color: var(--rust) !important;
  font-weight: 600;
  border-left: 1px solid var(--border);
  padding-left: 20px;
  margin-left: 4px;
}
.nav-back:hover { color: var(--rust-dark) !important; }