/* ==========================================================================
   THE MONEY INSTITUTE — Design System (Rebrand: grey / black / white)
   Palette: charcoal, silver grey, off-white, ink black
   Type: Fraunces (display serif) + Inter (body) + JetBrains Mono (labels)
   Note: variable names kept from v1 for compatibility; values are greyscale.
   ========================================================================== */

:root {
  --navy: #2B2B2B;          /* charcoal — primary dark, matches logo bg */
  --navy-light: #3A3A3A;    /* lighter charcoal */
  --gold: #9C9C9C;          /* silver grey — accent */
  --gold-light: #C0C0C0;    /* light silver */
  --parchment: #F5F5F4;     /* neutral off-white */
  --parchment-dark: #E9E9E8;/* light grey */
  --ledger-green: #1C1C1C;  /* near black — secondary dark */
  --ink: #141414;           /* black text */
  --stone: #757575;         /* mid grey text */
  --stone-light: #C2C2C2;   /* light grey text on dark */
  --white: #FFFFFF;
  --red-flag: #6E6E6E;      /* neutral grey (was red) */

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --max-width: 1180px;
  --radius: 2px;
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Ledger rule lines ---------- */
.ledger-rule {
  height: 1px;
  background: repeating-linear-gradient(to right, var(--stone-light) 0, var(--stone-light) 6px, transparent 6px, transparent 11px);
  width: 100%;
}

.ledger-rule-solid {
  height: 2px;
  background: var(--navy);
  width: 100%;
}

/* ---------- Eyebrow / ledger labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}

.eyebrow.on-light { color: #5A5A5A; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 5.5vw, 4.6rem); font-weight: 500; }
h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); }
h4 { font-size: 1.15rem; }

p { color: var(--ink); }
p.lede { font-size: 1.2rem; color: var(--navy-light); max-width: 640px; }

.serif-italic { font-family: var(--font-display); font-style: italic; color: var(--gold); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 16px 30px;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--ink);
  color: var(--white);
  border-color: #666666;
}
.btn-primary:hover { background: #333333; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--parchment);
  border-color: var(--parchment);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-dark:hover { background: var(--navy); color: var(--parchment); }

.btn-block { width: 100%; justify-content: center; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid rgba(201,162,39,0.25);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}

.brand-seal {
  width: 40px;
  height: auto;
  flex-shrink: 0;
  display: block;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--white);
}

.brand-text strong { color: var(--white); font-weight: 600; }

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--stone-light);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

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

.nav-cta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: 600;
  background: var(--white);
  color: var(--ink);
  padding: 10px 20px;
  border-radius: var(--radius);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--parchment);
  font-size: 26px;
  cursor: pointer;
}

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
}

.mobile-menu {
  display: none;
  background: var(--navy-light);
  border-top: 1px solid rgba(201,162,39,0.2);
  padding: 8px 28px 24px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--stone-light);
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu .nav-cta { display: inline-block; margin-top: 14px; }

/* ---------- Section spacing ---------- */
section { padding: 100px 0; }
@media (max-width: 700px) { section { padding: 64px 0; } }

.section-navy { background: var(--navy); color: var(--parchment); }
.section-navy h2, .section-navy h3, .section-navy h4 { color: var(--parchment); }
.section-parchment-dark { background: var(--parchment-dark); }
.section-green { background: var(--ledger-green); color: var(--parchment); }
.section-green h2, .section-green h3 { color: var(--parchment); }

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head .eyebrow { display: block; margin-bottom: 14px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--stone-light);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

.footer-grid h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 600;
}

.footer-grid a, .footer-grid p {
  display: block;
  color: var(--stone-light);
  font-size: 14px;
  margin-bottom: 10px;
}

.footer-grid a:hover { color: var(--gold); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stone);
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--parchment-dark);
  padding: 36px;
  border-radius: var(--radius);
}

.stamp {
  position: absolute;
  width: 90px;
  height: 90px;
  border: 2px solid var(--red-flag);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-12deg);
  opacity: 0.85;
}
.stamp span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--red-flag);
  text-align: center;
  font-weight: 700;
  line-height: 1.3;
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 30px; }
@media (max-width: 880px) {
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; }
}

.tag-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 20px;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- Fade-up animation on scroll ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   BLOG — index grid, post cards, article typography
   ========================================================================== */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--parchment-dark);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
  color: var(--ink);
}
.blog-card:hover { transform: translateY(-5px); border-color: var(--gold); }
.blog-card-thumb {
  aspect-ratio: 16/10;
  background: var(--navy);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-card-thumb .blog-card-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: rgba(201,162,39,0.35);
}
.blog-card-body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.blog-card .blog-cat {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.blog-card h3 { font-size: 1.2rem; margin-bottom: 10px; line-height: 1.3; }
.blog-card p { color: var(--stone); font-size: 0.9rem; flex: 1; }
.blog-card .blog-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stone);
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--parchment-dark);
}

.blog-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  background: var(--navy);
  color: var(--parchment);
  padding: 50px;
  margin-bottom: 60px;
}
@media (max-width: 880px) { .blog-featured { grid-template-columns: 1fr; padding: 34px; } }
.blog-featured .blog-cat { color: var(--gold); }
.blog-featured h2 { color: var(--parchment); margin: 14px 0 18px; }
.blog-featured p { color: var(--stone-light); margin-bottom: 26px; }
.blog-featured-visual {
  aspect-ratio: 1/1;
  background: var(--navy-light);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-featured-visual span {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--gold);
  text-align: center;
  padding: 30px;
}

/* Article reading view */
.article-header {
  background: var(--navy);
  color: var(--parchment);
  padding: 70px 0 60px;
}
.article-header .blog-cat { color: var(--gold); margin-bottom: 16px; display: block; }
.article-header h1 { color: var(--parchment); max-width: 800px; }
.article-meta {
  display: flex;
  gap: 24px;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stone-light);
  flex-wrap: wrap;
}

.article-body {
  max-width: 700px;
  margin: 0 auto;
  padding: 70px 28px;
}
.article-body h2 {
  font-size: 1.7rem;
  margin: 48px 0 18px;
}
.article-body h3 {
  font-size: 1.25rem;
  margin: 34px 0 14px;
  color: var(--navy);
}
.article-body p {
  font-size: 1.08rem;
  line-height: 1.8;
  margin-bottom: 22px;
  color: var(--ink);
}
.article-body ul, .article-body ol {
  margin: 0 0 22px 22px;
  font-size: 1.05rem;
  line-height: 1.8;
}
.article-body li { margin-bottom: 10px; }
.article-body blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--navy);
  border-left: 3px solid var(--gold);
  padding-left: 24px;
  margin: 36px 0;
  line-height: 1.5;
}
.article-body strong { color: var(--navy); }
.article-divider {
  height: 1px;
  background: var(--parchment-dark);
  margin: 50px 0;
}

.article-cta {
  background: var(--parchment-dark);
  border: 1px solid var(--stone-light);
  padding: 36px;
  text-align: center;
  margin: 50px 0;
}
.article-cta h4 { margin-bottom: 10px; }
.article-cta p { color: var(--stone); margin-bottom: 20px; font-size: 0.95rem; }

.article-author {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 30px 0;
  border-top: 1px solid var(--parchment-dark);
  border-bottom: 1px solid var(--parchment-dark);
  margin: 40px 0;
}
.article-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}
.article-author h4 { font-size: 1rem; margin-bottom: 2px; }
.article-author p { color: var(--stone); font-size: 0.88rem; margin: 0; }

.related-posts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 700px) { .related-posts { grid-template-columns: 1fr; } }