/* ==========================================================================
   Intra-Work.com — Guided Reading Path
   One stylesheet. Calm editorial layout. Readability first.
   ========================================================================== */

/* ---------- Base / tokens ---------- */
:root {
  --bg: #fbfbfa;
  --surface: #ffffff;
  --text: #171717;
  --muted: #575757;
  --border: #e6e3de;
  --accent: #2b5aa6;
  --accent-quiet: #234a8b;

  --radius: 12px;
  --radius-sm: 10px;

  --shadow-quiet: 0 1px 0 rgba(0, 0, 0, 0.04);

  --container-narrow: 760px;
  --container-base: 980px;
  --container-wide: 1200px;

  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-2);
  font-family:
    ui-serif,
    Georgia,
    Cambria,
    "Times New Roman",
    Times,
    serif;
}

h1 {
  font-size: clamp(2rem, 3.5vw, 3rem);
}

h2 {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 var(--space-3);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--accent-quiet);
}

ul,
ol {
  margin: 0 0 var(--space-3);
  padding-left: 1.25rem;
}

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-quiet);
  z-index: 50;
}
.skip-link:focus {
  left: 0.75rem;
}

/* ---------- Container rhythm (Wn / Wb / Ww) ---------- */
[data-container] .container {
  margin: 0 auto;
  padding: 0 var(--space-4);
}

[data-container="Wn"] .container {
  max-width: var(--container-narrow);
}
[data-container="Wb"] .container {
  max-width: var(--container-base);
}
[data-container="Ww"] .container {
  max-width: var(--container-wide);
}

/* ---------- Global section spacing ---------- */
section {
  padding: var(--space-6) 0;
}

.section-head {
  margin-bottom: var(--space-4);
}

.section-subtitle {
  color: var(--muted);
  max-width: 70ch;
}

.kicker {
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.lede {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 70ch;
}

.micro {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 0.25rem;
}

/* ---------- Buttons / links ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}
.button:hover {
  background: var(--accent-quiet);
  border-color: var(--accent-quiet);
  color: #fff;
}
.button-quiet {
  background: transparent;
  color: var(--accent);
}
.button-quiet:hover {
  background: rgba(43, 90, 166, 0.06);
  color: var(--accent-quiet);
}

.text-link {
  font-weight: 600;
}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
  background: rgba(251, 251, 250, 0.9);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-title {
  font-weight: 750;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.01em;
}
.site-title:hover {
  color: var(--text);
  text-decoration: underline;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.site-nav a {
  color: var(--text);
  text-decoration: none;
  padding: 0.35rem 0.25rem;
  border-radius: 8px;
}
.site-nav a:hover {
  background: rgba(0, 0, 0, 0.04);
}
.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.nav-toggle {
  margin-left: auto;
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.5rem 0.8rem;
  font-weight: 650;
}

@media (max-width: 840px) {
  .nav-toggle {
    display: inline-flex;
  }
  .site-nav {
    display: none;
    width: 100%;
    margin-left: 0;
    padding-top: var(--space-2);
    flex-direction: column;
    align-items: flex-start;
    border-top: 1px solid var(--border);
  }
  .site-header.is-open .site-nav {
    display: flex;
  }
  .header-row {
    flex-wrap: wrap;
  }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  padding-top: var(--space-5);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-5);
  align-items: start;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.hero-map {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: var(--space-4);
  box-shadow: var(--shadow-quiet);
}

.hero-map-title {
  font-weight: 750;
  margin: 0 0 var(--space-2);
}

.anchor-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-3);
}
.anchor-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: rgba(43, 90, 166, 0.06);
  border: 1px solid rgba(43, 90, 166, 0.18);
  text-decoration: none;
  color: var(--accent);
  font-weight: 650;
}
.anchor-chip:hover {
  background: rgba(43, 90, 166, 0.1);
}

.hero-map-note {
  color: var(--muted);
  margin: 0;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   START HERE (narrow stack)
   ========================================================================== */
.summary-box {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: var(--space-4);
  box-shadow: var(--shadow-quiet);
  margin-bottom: var(--space-4);
}
.summary-title {
  font-weight: 800;
  margin: 0 0 var(--space-1);
}
.summary-text {
  margin: 0;
  color: var(--muted);
}

.detail-stack {
  display: grid;
  gap: var(--space-3);
}
.detail {
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid rgba(43, 90, 166, 0.25);
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.detail p {
  color: var(--muted);
  margin-bottom: 0;
}

/* ==========================================================================
   READING PATHS (grouped panels, not product cards)
   ========================================================================== */
.paths {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.35);
}

.path-panels {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.path-panel {
  grid-column: span 4;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: var(--space-4);
}
.path-intro {
  color: var(--muted);
}
.path-links {
  padding-left: 1.25rem;
}
.path-links li {
  margin-bottom: 0.75rem;
}
.path-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 1024px) {
  .path-panel {
    grid-column: span 6;
  }
}
@media (max-width: 768px) {
  .path-panel {
    grid-column: 1 / -1;
  }
}

/* ==========================================================================
   THEMES (editorial clusters)
   ========================================================================== */
.theme-clusters {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}
.theme-cluster {
  grid-column: span 6;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.theme-list {
  margin: 0;
  color: var(--muted);
}
@media (max-width: 900px) {
  .theme-cluster {
    grid-column: 1 / -1;
  }
}

/* ==========================================================================
   FEATURED GUIDE (content + aside)
   ========================================================================== */
.featured {
  padding-top: var(--space-5);
}
.featured-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-5);
  align-items: start;
}
.featured-main {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: var(--space-5);
}
.note-bullets {
  margin: var(--space-3) 0;
  color: var(--muted);
}
.featured-aside {
  border: 1px dashed rgba(0, 0, 0, 0.25);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
  padding: var(--space-4);
}
.aside-title {
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: var(--space-2);
}
.aside-meta {
  color: var(--muted);
  margin: 0;
}
@media (max-width: 1024px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   ARCHIVE MAP (grouped lists, not equal cards)
   ========================================================================== */
.archive {
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.25);
}

.archive-map {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}
.archive-group {
  grid-column: span 6;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: var(--space-4);
}
.archive-list {
  padding-left: 1.1rem;
  margin: 0;
}
.archive-list li {
  margin-bottom: 0.9rem;
}

.archive-footnote {
  color: var(--muted);
  margin-top: var(--space-4);
}

.all-articles {
  margin-top: var(--space-5);
  border-top: 1px solid var(--border);
  padding-top: var(--space-4);
}
.all-articles-list {
  columns: 2;
  column-gap: var(--space-5);
}
.all-articles-list li {
  break-inside: avoid;
  margin-bottom: 0.6rem;
}
@media (max-width: 900px) {
  .archive-group {
    grid-column: 1 / -1;
  }
}
@media (max-width: 768px) {
  .all-articles-list {
    columns: 1;
  }
}

/* ==========================================================================
   CONTACT NOTE
   ========================================================================== */
.contact-dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-4);
}
.contact-dl > div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-2);
  align-items: start;
}
.contact-dl dt {
  font-weight: 750;
  color: var(--muted);
}
.contact-dl dd {
  margin: 0;
}

/* ==========================================================================
   PAGE LAYOUTS (Contacts / Privacy)
   ========================================================================== */
.page {
  padding-top: var(--space-5);
}
.page-head {
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-4);
}
.page-section {
  margin-bottom: var(--space-5);
}
.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.policy-section {
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: var(--space-4);
}
.contact-dl-page {
  margin: var(--space-3) 0 0;
}

/* ---------- Forms (placeholder UI) ---------- */
.form {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: var(--space-4);
}
.form-row {
  display: grid;
  gap: 0.4rem;
  margin-bottom: var(--space-3);
}
.form label {
  font-weight: 700;
}
.form input,
.form select,
.form textarea {
  font: inherit;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: 2px solid rgba(43, 90, 166, 0.25);
  outline-offset: 1px;
}

/* ==========================================================================
   ARTICLE PAGES
   ========================================================================== */
.article-page {
  padding-top: var(--space-5);
}
.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-3);
}
.crumbs a {
  color: var(--muted);
}
.crumbs a:hover {
  color: var(--text);
}

.article-head {
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-4);
}
.article-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.article-body section {
  padding: 0;
  margin-bottom: var(--space-4);
}
.article-body h2 {
  margin-top: var(--space-4);
}

.placeholder {
  color: var(--muted);
}

.related {
  margin-top: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.55);
}
.related-list {
  margin: 0;
}
.related-list li {
  margin-bottom: 0.85rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.35);
  padding: var(--space-6) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: var(--space-5);
  align-items: start;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.footer-title {
  font-weight: 800;
  margin: 0 0 var(--space-1);
}
.footer-desc,
.footer-meta {
  color: var(--muted);
}
.footer-heading {
  font-weight: 800;
  margin: 0 0 var(--space-2);
}
.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav li {
  margin-bottom: 0.5rem;
}
.footer-nav a {
  color: var(--text);
  text-decoration: none;
}
.footer-nav a:hover {
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-4);
  color: var(--muted);
  flex-wrap: wrap;
}
.footer-bottom-links {
  margin: 0;
}
.footer-bottom-links a {
  color: var(--muted);
}
.footer-bottom-links a:hover {
  color: var(--text);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .contact-dl > div {
    grid-template-columns: 1fr;
  }
}