/* ---------------------------------------------------------------
   Tokens
--------------------------------------------------------------- */
:root {
  --color-bg: #F3F4EA;
  --color-bg-raised: #EAEBDA;
  --color-card-bg: #FBFAF2;

  --color-nav-bg: #37402A;
  --color-nav-bg-hover: #2B3220;
  --color-on-nav: #F2F1E3;
  --color-on-nav-muted: #C6C9AC;

  --color-text: #262A1D;
  --color-text-muted: #5C6151;
  --color-text-faint: #85897A;

  --color-primary: #55642F;
  --color-primary-dark: #414D24;
  --color-on-primary: #F6F5EA;

  --color-accent: #A5813F;
  --color-accent-soft: #EFE6CF;

  --color-border: #DBD9C3;
  --color-border-strong: #C6C4A8;

  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo,
    Consolas, monospace;

  --content-max: 860px;
  --wide-max: 1120px;

  --radius-sm: 4px;
  --radius-md: 8px;

  --shadow-card: 0 1px 2px rgba(38, 42, 29, 0.07);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------------------------------------------------------------
   Reset & base
--------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
    height: 100%;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  height: 100%;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary-dark);
  text-decoration-color: var(--color-border-strong);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-primary);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-nav-bg);
  color: var(--color-on-nav);
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.container {
  max-width: var(--wide-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 0.6em;
  color: var(--color-text);
}

h1 { font-size: clamp(1.9rem, 1.6rem + 1.2vw, 2.6rem); font-weight: 700; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }

p {
  margin: 0 0 1em;
}

code, pre, kbd {
  font-family: var(--font-mono);
}

code {
  background: var(--color-bg-raised);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

pre {
  background: var(--color-nav-bg);
  color: var(--color-on-nav);
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  line-height: 1.55;
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

blockquote {
  margin: 1.2em 0;
  padding: 0.2em 1.1em;
  border-left: 3px solid var(--color-accent);
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------------
   Header / top nav
--------------------------------------------------------------- */
.site-header {
  background: var(--color-nav-bg);
  color: var(--color-on-nav);
  position: sticky;
  top: 0;
  z-index: 40;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
}

.brand {
  color: var(--color-on-nav);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
  white-space: nowrap;
}

.brand:hover {
  color: var(--color-on-nav);
  opacity: 0.85;
}

.brand-mark {
  font-family: var(--font-mono);
  color: var(--color-accent);
  margin-right: 0.15em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-on-nav);
  margin: 0 auto;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: block;
  color: var(--color-on-nav-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
}

.main-nav a:hover {
  color: var(--color-on-nav);
  background: var(--color-nav-bg-hover);
}

.main-nav a.is-active {
  color: var(--color-on-nav);
  border-bottom-color: var(--color-accent);
}

/* ---------------------------------------------------------------
   Layout / main
--------------------------------------------------------------- */
.site-main {
  padding: 2.75rem 0 4rem;
}

.site-main > .container > .detail,
.site-main > .container > .page-header,
.site-main > .container .card-grid,
.site-main > .container > .related-posts,
.site-main > .container > .post-pager {
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.page-header {
  margin-bottom: 2rem;
}

.page-intro {
  color: var(--color-text-muted);
  max-width: 62ch;
}

/* ---------------------------------------------------------------
   Hero
--------------------------------------------------------------- */
.hero {
  max-width: var(--content-max);
  margin: 0 auto 3.5rem;
}

.hero-kicker {
  font-family: var(--font-mono);
  color: var(--color-primary-dark);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.hero h1 {
  margin-bottom: 0.4em;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: 1.6rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ---------------------------------------------------------------
   Buttons
--------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-on-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-border-strong);
}

.btn-ghost:hover {
  background: var(--color-bg-raised);
  color: var(--color-primary-dark);
}

.text-link {
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-primary-dark);
}

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

/* ---------------------------------------------------------------
   Sections / home
--------------------------------------------------------------- */
.home-section {
  max-width: var(--wide-max);
  margin: 0 auto 3rem;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.section-heading h2 {
  margin: 0;
}

.section-link {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
}

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

/* ---------------------------------------------------------------
   Cards
--------------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.1rem;
}

.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.3rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.card-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-faint);
  margin: 0 0 0.5rem;
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.6rem;
}

.card-title {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.card-title a {
  color: var(--color-text);
  text-decoration: none;
}

.card-title a:hover {
  color: var(--color-primary-dark);
}

.card-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin: 0 0 0.8rem;
  flex-grow: 1;
}

.card-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.6rem;
}

/* ---------------------------------------------------------------
   Tags & badges
--------------------------------------------------------------- */
.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.2rem 0 0;
  padding: 0;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-primary-dark);
  background: var(--color-accent-soft);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.22rem 0.65rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
}

.tag::before {
  content: "#";
  opacity: 0.65;
}

.tag:hover {
  border-color: var(--color-accent);
  color: var(--color-primary-dark);
}

.tag-list-large {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0;
  margin: 0;
}

.tag-list-large .tag {
  font-size: 0.88rem;
  padding: 0.4rem 0.85rem;
}

.tag-count {
  font-size: 0.75em;
  color: var(--color-text-faint);
}

.badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  background: var(--color-bg-raised);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.55rem;
  white-space: nowrap;
}

.badge-muted {
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ---------------------------------------------------------------
   Detail pages (skill / project / post)
--------------------------------------------------------------- */
.detail-header {
  margin-bottom: 1.4rem;
}

.detail-kicker {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-faint);
  margin-bottom: 0.3rem;
}

.detail-badges {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.detail-summary {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 62ch;
}

.detail-links {
  display: flex;
  gap: 0.7rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.detail-body {
  max-width: 68ch;
  margin: 1.4rem 0 1.8rem;
}

.detail-body :last-child {
  margin-bottom: 0;
}

/* ---------------------------------------------------------------
   Skills groups
--------------------------------------------------------------- */
.skill-group {
  margin-bottom: 2.4rem;
}

.skill-group-title {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 1.1rem;
}

/* ---------------------------------------------------------------
   Related posts
--------------------------------------------------------------- */
.related-posts {
  margin-top: 1rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--color-border);
}

.related-posts-heading {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-transform: none;
  margin-bottom: 0.8rem;
}

.related-posts-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.related-posts-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 0.9rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.related-posts-item a {
  text-decoration: none;
  font-weight: 600;
  color: var(--color-text);
}

.related-posts-item a:hover {
  color: var(--color-primary-dark);
}

.related-posts-item time {
  font-size: 0.82rem;
  color: var(--color-text-faint);
  white-space: nowrap;
}

.related-posts-empty {
  color: var(--color-text-faint);
  font-size: 0.92rem;
}

/* ---------------------------------------------------------------
   Post pager
--------------------------------------------------------------- */
.post-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.pager-link {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  text-decoration: none;
  max-width: 46%;
}

.pager-link-next {
  text-align: right;
  margin-left: auto;
}

.pager-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-faint);
}

.pager-title {
  color: var(--color-text);
  font-weight: 600;
}

.pager-link:hover .pager-title {
  color: var(--color-primary-dark);
}

/* ---------------------------------------------------------------
   Contact page
--------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: var(--color-text);
}

.contact-item:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-text-faint);
}

.contact-value {
  font-weight: 600;
  word-break: break-word;
}

.availability-note {
  margin-top: 1.4rem;
  color: var(--color-primary-dark);
  font-weight: 500;
}

/* ---------------------------------------------------------------
   Misc
--------------------------------------------------------------- */
.empty-state {
  color: var(--color-text-faint);
  font-style: normal;
}

.plain-list {
  padding-left: 1.2rem;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
  list-style: none;
  padding: 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  height: 2.2rem;
  padding: 0 0.5rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.pagination a:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

/* ---------------------------------------------------------------
   Footer
--------------------------------------------------------------- */
.site-footer {
  background: var(--color-nav-bg);
  color: var(--color-on-nav-muted);
  font-size: 0.88rem;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 1.4rem 1.5rem;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--color-on-nav-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-on-nav);
}

/* ---------------------------------------------------------------
   Responsive
--------------------------------------------------------------- */
@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-nav-bg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease;
  }

  .main-nav.is-open {
    max-height: 20rem;
  }

  .main-nav ul {
    flex-direction: column;
    padding: 0.5rem 1.5rem 1rem;
    gap: 0;
  }

  .main-nav a {
    padding: 0.7rem 0.2rem;
    border-bottom: 1px solid var(--color-nav-bg-hover);
    border-radius: 0;
  }

  .main-nav a.is-active {
    border-bottom-color: var(--color-accent);
  }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(2) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
    opacity: 0;
  }

  .nav-toggle.is-open .nav-toggle-bar:nth-child(4) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .related-posts-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
  }

  .post-pager {
    flex-direction: column;
  }

  .pager-link,
  .pager-link-next {
    max-width: 100%;
    text-align: left;
    margin-left: 0;
  }
}