/* ============================================================
   FP&A Field Notes — Shared Stylesheet
   fpafieldnotes.seacloudconsulting.com
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,600;0,9..144,700;0,9..144,800;1,9..144,300;1,9..144,400&family=Inter:wght@400;500;600&display=swap');

/* ── Design tokens ───────────────────────────────────────────── */
:root {
  --navy:         #0F172A;
  --navy-mid:     #1E293B;
  --navy-soft:    #334155;
  --accent:       #C9844A;
  --accent-light: #F5EDE4;
  --white:        #FFFFFF;
  --surface:      #F8FAFC;
  --text:         #0F172A;
  --text-secondary: #475569;
  --text-muted:   #94A3B8;
  --border:       #E2E8F0;
  --border-mid:   #CBD5E1;
  --radius-sm:    4px;
  --radius:       8px;
  --radius-lg:    12px;
  --max-width:    1040px;
  --reading-width: 680px;
  --nav-height:   64px;
}

/* ── Reset & base ────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
p + p { margin-top: 1.25em; }

/* ── Layout helpers ──────────────────────────────────────────── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.reading-container {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* ── Site sub-header (tagline band below nav) ────────────────── */
.site-subheader {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 9px 0;
}

.site-subheader .container {
  display: flex;
  align-items: center;
}

.site-subheader-text {
  font-size: 0.775rem;
  color: var(--text-secondary);
  font-style: italic;
  letter-spacing: 0.005em;
}

/* ── Navigation ──────────────────────────────────────────────── */
.site-nav {
  background: var(--navy);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-brand:hover { color: var(--accent); }

.nav-logo {
  flex-shrink: 0;
  transition: opacity 0.15s;
}

.nav-brand:hover .nav-logo { opacity: 0.85; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active { color: var(--white); }

.nav-links a.active {
  color: var(--accent);
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  background: var(--navy);
  padding: 40px 0;
  margin-top: 80px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-brand {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}

.footer-credit {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  text-align: right;
}

.footer-credit a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-credit a:hover { color: var(--accent); }

/* ── Page hero (shared across pages) ────────────────────────── */
.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 56px;
}

.page-hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.page-hero-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.45rem, 2.5vw, 1.85rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.page-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
}

/* ── Homepage ────────────────────────────────────────────────── */

/* Featured latest post — first thing on the page */
.home-featured {
  padding: 48px 0 44px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 52px;
}

.home-featured-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.home-featured-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--navy);
  margin-bottom: 14px;
  max-width: 680px;
}

.home-featured-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s;
}

.home-featured-title a:hover { color: var(--accent); }

.home-featured-excerpt {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.home-featured-body {
  font-size: 0.925rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.75;
  margin-bottom: 20px;
  position: relative;
}

/* Fade out the last bit of preview text */
.home-featured-body::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3.5em;
  background: linear-gradient(to bottom, transparent, var(--white));
  pointer-events: none;
}

.home-featured-body p {
  margin-bottom: 0.9em;
}

.home-featured-body p:last-child {
  margin-bottom: 0;
}

.home-featured-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.home-featured-cta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1.5px solid transparent;
  transition: border-color 0.15s;
  padding-bottom: 1px;
}

.home-featured-cta:hover { border-color: var(--accent); }

/* Site tagline — one unobtrusive line below featured post */
.home-tagline {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  max-width: 560px;
}

.home-tagline a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--navy);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn-primary:hover {
  background: var(--navy-mid);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--navy);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1.5px solid var(--border-mid);
  transition: border-color 0.15s, color 0.15s, transform 0.1s;
}

.btn-secondary:hover {
  border-color: var(--navy);
  color: var(--navy);
  transform: translateY(-1px);
}

/* ── Section header ──────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 32px;
}

.section-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.section-link {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.section-link:hover { text-decoration: underline; }

/* ── Post cards (used on homepage + blog list) ───────────────── */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.post-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  padding: 24px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.post-card:hover {
  border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(201,132,74,0.1);
  transform: translateY(-2px);
}

.post-card-meta {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.post-card-tag {
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.post-card-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  flex-grow: 1;
}

.post-card-excerpt {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-cta {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
}

/* ── Blog list page ──────────────────────────────────────────── */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 64px;
}

.blog-list-item {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: color 0.15s;
}

.blog-list-item:first-child { border-top: 1px solid var(--border); }

.blog-list-item:hover .blog-list-title { color: var(--accent); }

.blog-list-date {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 88px;
}

.blog-list-content { flex: 1; }

.blog-list-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
  transition: color 0.15s;
}

.blog-list-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Placeholder (upcoming) post */
.blog-list-item.upcoming {
  opacity: 0.5;
  pointer-events: none;
}

.blog-list-item.upcoming .blog-list-date {
  font-style: italic;
}

.upcoming-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--surface);
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid var(--border);
  margin-left: 8px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

/* ── Knowledge base ──────────────────────────────────────────── */
.kb-intro-note {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.kb-intro-note::before {
  content: '→';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.kb-categories {
  display: flex;
  flex-direction: column;
  gap: 56px;
  margin-bottom: 64px;
}

.kb-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--navy);
}

.kb-category-icon {
  width: 32px;
  height: 32px;
  background: var(--navy);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.kb-category-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.kb-resources {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.kb-resource-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.kb-resource-card.placeholder {
  background: var(--surface);
  opacity: 0.65;
}

.kb-resource-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.35;
  margin-bottom: 6px;
}

.kb-resource-card:not(.placeholder):hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(201,132,74,0.08);
}

.kb-resource-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.kb-resource-status {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 3px;
}

/* ── Individual post / reading layout ────────────────────────── */
.post-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 24px;
  transition: color 0.15s;
}

.post-back:hover { color: var(--accent); }

.post-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.post-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--accent-light);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 3px;
}

.post-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.4rem, 3vw, 1.95rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 16px;
}

.post-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.post-meta-sep { color: var(--border-mid); }

/* ── Post body content ───────────────────────────────────────── */
.post-body {
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
}

.post-body h2 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.015em;
  margin: 2em 0 0.75em;
  line-height: 1.25;
}

.post-body h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin: 1.75em 0 0.6em;
}

.post-body p { margin-bottom: 1.25em; }

.post-body ul,
.post-body ol {
  margin: 1em 0 1.25em 1.5em;
}

.post-body li { margin-bottom: 0.5em; }

.post-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 1.5em 0;
  color: var(--text-secondary);
  font-style: italic;
}

.post-body strong { color: var(--navy); font-weight: 600; }

.post-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.post-body a:hover { color: var(--navy); }

/* ── Post footer: author + disclosure ───────────────────────── */
.post-author {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.post-author-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
}

.post-author-bio {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.post-author-bio a {
  color: var(--accent);
  text-decoration: none;
}

.post-author-bio a:hover { text-decoration: underline; }

.post-disclosure {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 12px;
  font-style: italic;
}

/* ── Related posts ───────────────────────────────────────────── */
.related-posts {
  margin-bottom: 64px;
}

.related-posts-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
}

.related-post-link {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--navy);
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Fraunces', Georgia, serif;
  transition: border-color 0.15s, color 0.15s;
}

.related-post-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .container,
  .reading-container { padding: 0 20px; }

  .post-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .kb-resources {
    grid-template-columns: 1fr;
  }

  .blog-list-item {
    flex-direction: column;
    gap: 4px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .footer-credit { text-align: left; }

  .home-featured { padding: 36px 0 32px; }
  .page-hero  { padding: 48px 0 36px; }
  .post-header { padding: 40px 0 32px; }
  .site-footer { margin-top: 56px; }
}

@media (max-width: 540px) {
  .nav-links { gap: 20px; }
  .section-header { flex-direction: column; gap: 8px; }
  .post-grid { grid-template-columns: 1fr; }
}