/* ==========================================================================
   v3 refinement layer - loaded after style.css on every page.
   Goal: one rhythm, one nav language, one width, light + dark everywhere.
   ========================================================================== */

:root {
  --accent: #3a6b62;
  --accent-bg: rgba(58, 107, 98, 0.1);
  --nav-hover: rgba(18, 22, 21, 0.06);
  --nav-current: rgba(18, 22, 21, 0.085);
  --input-bg: #fff;
  --tagline: #5f5f5a;
  --radius: 8px;
  --space-section: 2.4rem;
  --control-h: 2rem;
  color-scheme: light;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --text: #d9d8d2;
  --text-heading: #f3f2ee;
  --text-meta: #a3a39d;
  --text-muted: #8f8f89;
  --tagline: #a3a39d;
  --bg: #131615;
  --surface: #1b1e1d;
  --border: #2b2f2d;
  --border-strong: #3a3e3c;
  --link-underline: rgba(230, 228, 222, 0.35);
  --accent: #7fb5a9;
  --accent-bg: rgba(127, 181, 169, 0.14);
  --nav-hover: rgba(255, 255, 255, 0.06);
  --nav-current: rgba(255, 255, 255, 0.09);
  --input-bg: #1b1e1d;
  --stack-accent: #7fb5a9;
  --stack-accent-bg: rgba(127, 181, 169, 0.14);
  --stack-accent-border: rgba(127, 181, 169, 0.32);
  --blog-accent: #d4a574;
  --blog-accent-soft: #e0b888;
  --blog-accent-bg: rgba(212, 165, 116, 0.14);
  --blog-accent-border: rgba(212, 165, 116, 0.32);
  --ai-nav-accent: #8fb0e6;
  --ai-nav-bg: rgba(143, 176, 230, 0.14);
  --ai-nav-border: rgba(143, 176, 230, 0.32);
}

body {
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* ---------- Layout: one measure for every page (blog included) ---------- */

.wrap,
.wrap.wrap--blog {
  width: min(var(--measure), calc(100% - 2rem));
}

/* ---------- Top bar: languages · print · theme, all one control height ---------- */

.lang-switch-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.lang-switch-bar > .lang-switch__sep {
  display: none;
}

.lang-switch a:not(.btn) {
  color: var(--text-meta);
}

.lang-switch a:not(.btn)[aria-current="true"] {
  color: var(--text-heading);
}

.btn,
.lang-switch-bar .btn,
.btn-theme.blog-theme-toggle,
.site-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: var(--control-h);
  padding: 0 0.8rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-heading);
  font: 600 0.8rem/1 var(--font-sans);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.btn:hover,
.lang-switch-bar .btn:hover,
.site-theme-toggle:hover,
html[data-theme="dark"] .btn-print-mode:hover {
  border-color: var(--text-meta);
  background: var(--surface);
  color: var(--text-heading);
  text-decoration: none;
}

.lang-switch-bar .btn-print-mode,
html[data-blog-theme="dark"] .btn-print-mode,
html[data-theme="dark"] .btn-print-mode {
  background: var(--surface);
  color: var(--text-heading);
  border-color: var(--border-strong);
}

.site-theme-toggle {
  width: var(--control-h);
  padding: 0;
  font-size: 0.95rem;
}

.site-theme-toggle svg {
  width: 1rem;
  height: 1rem;
}

/* ---------- Header ---------- */

.site-header {
  margin-bottom: var(--space-section);
  padding-bottom: 0.9rem;
  border-bottom-color: var(--border);
}

.site-header .tagline,
html[data-blog-theme="dark"] .site-header .tagline {
  color: var(--tagline);
}

.toolbar {
  margin-bottom: 0;
}

/* Theme toggle used to live in the blog toolbar - it is in the top bar now. */
.toolbar .actions {
  display: none;
}

/* ---------- Nav: one typeface, one active state; AI + Blog keep only a colour dot ---------- */

.site-nav {
  gap: 0.25rem 0.35rem;
  margin-left: -0.55rem;
  font: 500 0.86rem/1.4 var(--font-sans);
}

.site-nav a,
.nav-blog-entry,
.nav-ai-entry {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius);
  color: var(--text);
  font: inherit;
  letter-spacing: 0;
  text-decoration: none;
  background: none;
  -webkit-text-fill-color: currentColor;
  animation: none;
}

.nav-ai-entry__label {
  display: inline;
  font: inherit;
  letter-spacing: 0;
  background: none;
  color: inherit;
  -webkit-text-fill-color: currentColor;
  animation: none;
}

.nav-ai-entry__label::before,
.nav-ai-entry__label::after {
  content: none;
}

.nav-blog-entry::before,
.nav-ai-entry::before {
  content: "";
  position: static;
  inset: auto;
  z-index: auto;
  flex: none;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  box-shadow: none;
}

.nav-ai-entry::before {
  background: var(--ai-nav-accent);
}

.nav-blog-entry::before {
  background: var(--blog-accent);
}

.site-nav a:hover,
.site-nav a:hover:not(.nav-blog-entry):not(.nav-ai-entry),
html[data-blog-theme="dark"] .site-nav a:hover:not(.nav-blog-entry),
.nav-blog-entry:hover,
.nav-ai-entry:hover {
  background: var(--nav-hover);
  text-decoration: none;
}

.nav-blog-entry:hover::before,
.nav-ai-entry:hover::before {
  background: currentColor;
}

.nav-ai-entry:hover::before {
  background: var(--ai-nav-accent);
}

.nav-blog-entry:hover::before {
  background: var(--blog-accent);
}

.site-nav a[aria-current="page"],
.site-nav a[aria-current="page"]:not(.nav-blog-entry):not(.nav-ai-entry),
html[data-blog-theme="dark"] .site-nav a[aria-current="page"]:not(.nav-blog-entry),
.nav-private-entry[aria-current="page"] {
  background: var(--nav-current);
  color: var(--text-heading);
  font-weight: 700;
  text-decoration: none;
  box-shadow: none;
}

.nav-ai-entry[aria-current="page"] .nav-ai-entry__label {
  font-weight: 700;
}

.nav-private-entry:hover {
  text-decoration: none;
}

/* Private is a different area of the site - quieter label. */
.nav-private-entry {
  color: var(--text-meta);
}

/* ---------- Prose: left-aligned, no justified rivers, steady rhythm ---------- */

main p,
.lead,
.home-intro,
.timeline-item p,
.print-section p {
  text-align: left;
  hyphens: manual;
  -webkit-hyphens: manual;
}

main p,
main ul,
main ol {
  margin: 0 0 1rem;
}

main li {
  margin: 0 0 0.4rem;
}

main li:last-child {
  margin-bottom: 0;
}

main h2 {
  margin: var(--space-section) 0 0.7rem;
  font-size: 1.2rem;
}

main > h2:first-child,
main > section:first-child > h2:first-child,
main > .skill-block:first-child > h2:first-child,
main > .stack-pyramid:first-child > h2:first-child {
  margin-top: 0;
}

main h3 {
  margin: 1.6rem 0 0.45rem;
}

.lead,
.home-intro {
  font-size: inherit;
  line-height: var(--line-prose);
  color: var(--text);
}

main strong,
main b {
  color: var(--text-heading);
}

/* ---------- Experience / education timeline ---------- */

.timeline-item {
  margin-top: 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
}


.timeline-item h2 {
  margin-top: 0;
  font-size: 1.08rem;
}

.timeline-item .period,
.meta {
  color: var(--text-meta);
  font: 500 0.8rem/1.4 var(--font-sans);
  letter-spacing: 0.01em;
}

/* ---------- Section eyebrows (Explore, blog topics, pyramid layers) ---------- */

.home-links__group h3,
.stack-layer__label,
.blog-card__eyebrow {
  font: 600 0.72rem/1.3 var(--font-sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-links__group li {
  margin-bottom: 0.25rem;
}

/* ---------- Callouts, tables, forms: same surface + radius everywhere ---------- */

.cv-callout,
.blog-prompt-aside,
.blog-golden-rule,
.data-table,
.table-scroll,
.myai-shot img,
.outdoor-map img,
.blog-article-hero img {
  border-radius: var(--radius);
}

.cv-callout,
.blog-prompt-aside,
.blog-golden-rule {
  background: var(--surface);
  border-color: var(--border);
}

.data-table th,
.data-table td {
  border-color: var(--border);
}

.data-table tbody tr:nth-child(even) {
  background: var(--surface);
}

.contact-form {
  max-width: 32rem;
}

.contact-form label {
  color: var(--text-heading);
  font: 600 0.82rem/1.4 var(--font-sans);
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--input-bg);
  color: var(--text-heading);
  font: 400 1rem/1.45 var(--font-sans);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}

.contact-form button,
.contact-form-submit button {
  height: 2.4rem;
  padding: 0 1.1rem;
  border: 1px solid var(--text-heading);
  border-radius: var(--radius);
  background: var(--text-heading);
  color: var(--bg);
  font: 600 0.88rem/1 var(--font-sans);
  cursor: pointer;
}

/* ---------- Blog: match the rest of the site ---------- */

.blog-article-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
}

.blog-article-subtitle {
  letter-spacing: 0.04em;
}

.blog-back {
  margin-bottom: 1.25rem;
  font: 600 0.82rem/1.4 var(--font-sans);
}

.blog-back a {
  color: var(--text-meta);
  text-decoration: none;
}

.blog-back a:hover {
  color: var(--text-heading);
}

html[data-theme="dark"] .blog-card__thumb--placeholder {
  background: var(--surface);
}

/* ---------- Pager (prev / next section) replaces the ad-hoc "← Home" lines ---------- */

.section-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: calc(var(--space-section) + 0.5rem) 0 0;
}

.section-pager a {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-heading);
  text-decoration: none;
  transition: border-color 0.15s ease;
}

.section-pager a:hover {
  border-color: var(--border-strong);
  text-decoration: none;
}

.section-pager__dir {
  color: var(--text-meta);
  font: 600 0.7rem/1.3 var(--font-sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-pager__label {
  font: 700 1rem/1.3 var(--font-serif);
}

.section-pager__next {
  grid-column: 2;
  text-align: right;
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: var(--space-section);
  border-top-color: var(--border);
}

/* ---------- Dark mode: patch the remaining hard-coded light colours ---------- */

html[data-theme="dark"] .stack-item {
  filter: saturate(0.85) brightness(0.92);
}

html[data-theme="dark"] img:not([src$=".svg"]) {
  filter: brightness(0.92);
}

html[data-theme="dark"] .agent-cycle__node-bg {
  fill: var(--surface);
}

html[data-theme="dark"] .agent-cycle__label {
  fill: var(--text-heading);
}

html[data-theme="dark"] .agent-cycle__sublabel {
  fill: var(--text-meta);
}

/* ---------- WIP banner: keep the message, lose the weight ---------- */

html.cv-wip-active body {
  padding-top: 1.75rem;
}

.cv-wip-bar {
  min-height: 1.75rem;
  padding: 0.2rem 0.75rem;
  border-bottom-width: 2px;
}

.cv-wip-bar__label {
  padding: 0.12rem 0.7rem;
  font-size: 0.66rem;
}

.cv-wip-edge {
  display: none;
}

/* ---------- Small screens ---------- */

@media (max-width: 640px) {
  .wrap {
    padding-top: 1.5rem;
  }

  .lang-switch-bar {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .site-header h1 {
    font-size: 1.55rem;
  }

  .site-nav {
    margin-left: -0.55rem;
    gap: 0.15rem 0.1rem;
  }

  .section-pager {
    grid-template-columns: 1fr;
  }

  .section-pager__next {
    grid-column: 1;
  }
}

@media print {
  .section-pager,
  .site-theme-toggle {
    display: none !important;
  }
}

/* ---------- Fixes after visual pass ---------- */

.nav-ai-entry[aria-current="page"]::before {
  background: var(--ai-nav-accent);
  box-shadow: none;
}

.nav-blog-entry[aria-current="page"]::before {
  background: var(--blog-accent);
  box-shadow: none;
}

main .stack-items > li,
main .tag-list > li {
  margin: 0;
}

.blog-feed {
  margin-top: 0;
}

.blog-feed > .blog-card:first-child {
  padding-top: 0;
}

.home-links {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 640px) {
  .home-links {
    grid-template-columns: 1fr;
  }
}