/* ==========================================================================
   VersePoint — Design System
   Original editorial system for finversepoint.com. No framework, no copies.
   ========================================================================== */

:root {
  /* Palette */
  --color-cream: #f7f0e3;
  --color-cream-high: #fffaf0;
  --color-cream-low: #eee2c9;
  --color-midnight: #171b36;
  --color-midnight-soft: #2b3061;
  --color-violet: #5c3e93;
  --color-violet-soft: #7b5bb5;
  --color-violet-tint: #efe8f7;
  --color-coral: #ef6a52;
  --color-coral-dark: #d14f39;
  --color-coral-tint: #fdeae4;
  --color-ink: #211c30;
  --color-ink-soft: #4a4560;
  --color-border: #ddceaa;
  --color-border-soft: #e8dcc0;
  --color-success: #2f6b4f;
  --color-focus: #ef6a52;

  /* Type */
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", Arial, sans-serif;

  /* Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-soft: 0 10px 30px -18px rgba(23, 27, 54, 0.45);
  --shadow-card: 0 2px 0 rgba(23, 27, 54, 0.06), 0 14px 32px -22px rgba(23, 27, 54, 0.35);

  --max-width: 1140px;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; }
img, svg { max-width: 100%; display: block; }
table { border-collapse: collapse; width: 100%; }
button { font: inherit; }
a { color: inherit; }

body {
  background: var(--color-cream);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

/* ---- Skip link & focus ---- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-midnight);
  color: var(--color-cream-high);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 200;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-midnight);
  line-height: 1.15;
  font-weight: 600;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin-top: var(--space-7); margin-bottom: var(--space-3); }
h3 { font-size: 1.3rem; margin-top: var(--space-5); margin-bottom: var(--space-2); }
h4 { font-size: 1.05rem; margin-bottom: var(--space-2); }

p { margin-bottom: var(--space-4); max-width: 72ch; }
.lede { font-size: 1.15rem; color: var(--color-ink-soft); max-width: 60ch; }

a.link {
  color: var(--color-violet);
  text-decoration: underline;
  text-decoration-color: var(--color-violet-soft);
  text-underline-offset: 3px;
}
a.link:hover { color: var(--color-coral-dark); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-coral-dark);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 0.98rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-coral { background: var(--color-coral); color: #fff; }
.btn-coral:hover { background: var(--color-coral-dark); }
.btn-outline { background: transparent; border-color: var(--color-midnight); color: var(--color-midnight); }
.btn-outline:hover { background: var(--color-midnight); color: var(--color-cream-high); }
.btn-ghost { background: var(--color-violet-tint); color: var(--color-violet); }
.btn-ghost:hover { background: var(--color-violet); color: #fff; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-cream-high);
  border-bottom: 1px solid var(--color-border-soft);
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-4);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-midnight);
}
.brand__mark { width: 34px; height: 34px; flex-shrink: 0; }
.brand__name span { color: var(--color-coral); }

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-midnight);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
}

.site-nav { display: flex; align-items: center; gap: var(--space-5); }
.site-nav__list { display: flex; gap: var(--space-5); list-style: none; }
.site-nav__list a {
  text-decoration: none;
  font-weight: 600;
  color: var(--color-ink);
  padding-block: var(--space-2);
  border-bottom: 2px solid transparent;
}
.site-nav__list a:hover,
.site-nav__list a[aria-current="page"] {
  color: var(--color-violet);
  border-bottom-color: var(--color-coral);
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: var(--space-2); }
  .site-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: var(--color-cream-high);
    border-bottom: 1px solid var(--color-border-soft);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-5);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav__list { flex-direction: column; gap: var(--space-3); width: 100%; }
}

/* ---- Hero ---- */
.hero {
  padding-block: var(--space-8) var(--space-7);
  position: relative;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-7);
  align-items: center;
}
@media (max-width: 860px) { .hero__grid { grid-template-columns: 1fr; } }
.hero h1 { margin-bottom: var(--space-4); }
.hero__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-5); }
.hero__art { width: 100%; }

/* ---- Breadcrumbs ---- */
.breadcrumbs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  padding-block: var(--space-4);
}
.breadcrumbs li::after { content: "/"; margin-left: var(--space-2); color: var(--color-border); }
.breadcrumbs li:last-child::after { content: ""; }
.breadcrumbs a { text-decoration: none; color: var(--color-violet); }

/* ---- Cards ---- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
@media (max-width: 960px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }

.cat-card, .article-card, .term-card {
  background: var(--color-cream-high);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}
.cat-card:hover, .article-card:hover, .term-card:hover { outline: 2px solid var(--color-coral); outline-offset: 2px; }
.cat-card__icon { width: 46px; height: 46px; margin-bottom: var(--space-3); color: var(--color-violet); }
.cat-card h3, .article-card h3, .term-card h3 { margin-top: 0; }
.cat-card p, .article-card p, .term-card p { color: var(--color-ink-soft); flex: 1; }
.card-meta { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-3); }

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}
.badge-beginner { background: #e4f2ea; color: var(--color-success); }
.badge-intermediate { background: var(--color-violet-tint); color: var(--color-violet); }
.badge-advanced { background: var(--color-coral-tint); color: var(--color-coral-dark); }
.badge-outline { background: var(--color-cream-low); color: var(--color-ink-soft); }

/* ---- Section rhythm ---- */
.section { padding-block: var(--space-7); }
.section-tight { padding-block: var(--space-6); }
.section-alt { background: var(--color-cream-low); }
.section-dark { background: var(--color-midnight); color: var(--color-cream-high); }
.section-dark h2, .section-dark h3 { color: var(--color-cream-high); }
.section-head { max-width: 62ch; margin-bottom: var(--space-6); }

/* ---- Search / Filters ---- */
.search-panel {
  background: var(--color-cream-high);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
}
.search-row { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.search-field { flex: 1 1 260px; }
label { display: block; font-weight: 700; font-size: 0.85rem; margin-bottom: var(--space-1); color: var(--color-midnight); }
input[type="search"], input[type="text"], select, textarea, input[type="email"] {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 1rem;
  color: var(--color-ink);
}
input:focus, select:focus, textarea:focus { border-color: var(--color-violet); }
.filter-row { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-4); }
.filter-group { display: flex; flex-direction: column; gap: var(--space-1); min-width: 170px; }
.result-count { margin-top: var(--space-4); font-weight: 600; color: var(--color-ink-soft); }
.empty-state { padding: var(--space-6); text-align: center; color: var(--color-ink-soft); }

/* ---- Entry detail ---- */
.entry-detail {
  background: var(--color-cream-high);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}
.entry-detail dl { display: grid; grid-template-columns: auto 1fr; gap: var(--space-2) var(--space-4); margin: var(--space-4) 0; }
.entry-detail dt { font-weight: 700; color: var(--color-ink-soft); }
.related-chip-list { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  background: var(--color-violet-tint);
  color: var(--color-violet);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}
.chip:hover { background: var(--color-violet); color: #fff; }

.fav-btn {
  background: var(--color-cream-low);
  border: 2px solid var(--color-border);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.fav-btn[aria-pressed="true"] { background: var(--color-coral-tint); border-color: var(--color-coral); color: var(--color-coral-dark); }

/* ---- Article page ---- */
.article-head { max-width: 76ch; }
.article-meta { display: flex; gap: var(--space-4); flex-wrap: wrap; font-size: 0.85rem; color: var(--color-ink-soft); margin-top: var(--space-3); }
.toc-box {
  background: var(--color-violet-tint);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-block: var(--space-6);
}
.toc-box h2 { margin-top: 0; font-size: 1.1rem; }
.toc-box ol { list-style: decimal; padding-left: 1.2rem; }
.toc-box a { text-decoration: none; color: var(--color-violet); font-weight: 600; }

.article-body { max-width: 76ch; }
.article-body table { margin-block: var(--space-4); }
.article-body th, .article-body td {
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
  text-align: left;
}
.article-body thead th { background: var(--color-cream-low); }
.article-body blockquote {
  border-left: 4px solid var(--color-coral);
  padding-left: var(--space-4);
  color: var(--color-ink-soft);
  font-style: italic;
  margin-block: var(--space-4);
}

.callout {
  border: 2px dashed var(--color-violet-soft);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-block: var(--space-6);
  background: var(--color-violet-tint);
  max-width: 76ch;
}
.callout h2 { margin-top: 0; }
.callout ol, .callout ul { padding-left: 1.2rem; margin-top: var(--space-2); }

.mistakes-list { list-style: none; max-width: 76ch; }
.mistakes-list li {
  padding: var(--space-3) var(--space-4);
  border-left: 4px solid var(--color-coral);
  background: var(--color-coral-tint);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
}

.faq-list { max-width: 76ch; }
.faq-item {
  border-bottom: 1px solid var(--color-border-soft);
  padding-block: var(--space-4);
}
.faq-item h3 { margin: 0 0 var(--space-2); font-size: 1.05rem; }

.sources-list, .reading-list { max-width: 76ch; padding-left: 1.2rem; }

.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); max-width: 76ch; }
@media (max-width: 640px) { .related-grid { grid-template-columns: 1fr; } }

/* ---- Footer ---- */
.site-footer { background: var(--color-midnight); color: var(--color-cream-high); margin-top: var(--space-8); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-6);
  padding-block: var(--space-7);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { color: var(--color-cream-high); font-size: 0.85rem; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: var(--space-3); }
.footer-grid ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-grid a { color: #d9d4ee; text-decoration: none; }
.footer-grid a:hover { color: var(--color-coral); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-block: var(--space-4);
  font-size: 0.85rem;
  color: #b9b4d6;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-note { max-width: 60ch; color: #c9c4e2; font-size: 0.85rem; }

/* ---- Utility ---- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.print-only { display: none; }
@media print {
  .site-header, .site-footer, .no-print, .search-panel, .nav-toggle { display: none !important; }
  .print-only { display: block; }
  body { background: #fff; }
}

/* ---- Photo banners ---- */
.photo-banner {
  margin: 0 0 var(--space-6);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.photo-banner img {
  width: 100%;
  height: clamp(180px, 32vw, 340px);
  object-fit: cover;
  display: block;
}
.photo-banner figcaption {
  font-size: 0.72rem;
  color: var(--color-ink-soft);
  background: var(--color-cream-high);
  padding: var(--space-2) var(--space-3);
  text-align: right;
}
.photo-banner figcaption a { color: var(--color-ink-soft); text-decoration: underline; }

.hero__photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.hero__photo img {
  width: 100%;
  height: clamp(220px, 36vw, 420px);
  object-fit: cover;
  display: block;
}
.hero__photo figcaption {
  position: absolute;
  bottom: 0;
  right: 0;
  font-size: 0.68rem;
  color: #fff;
  background: rgba(23, 27, 54, 0.55);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm) 0 0 0;
}
.hero__photo figcaption a { color: #fff; text-decoration: underline; }

.article-banner {
  margin-bottom: var(--space-6);
}
.article-banner {
  border-radius: var(--radius-md);
  overflow: hidden;
}
.article-banner img {
  width: 100%;
  height: clamp(140px, 22vw, 220px);
  object-fit: cover;
  display: block;
}
.article-banner figcaption {
  font-size: 0.7rem;
  color: var(--color-ink-soft);
  background: var(--color-cream-low);
  padding: 0.3rem var(--space-3);
  text-align: right;
}
.article-banner figcaption a { color: var(--color-ink-soft); }

/* ---- 404 ---- */
.error-page { text-align: center; padding-block: var(--space-8); }
.error-page__code { font-family: var(--font-display); font-size: 6rem; color: var(--color-coral); }