/* ==========================================================================
   1. CSS Custom Properties / Theme
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f6f8;
  --color-text: #1c1e21;
  --color-text-muted: #5b6270;
  --color-border: #e2e4e9;
  --color-accent: #2952cc;
  --color-accent-hover: #1d3c99;
  --color-tag-bg: #eef1f8;
  --color-tag-text: #2952cc;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --max-width: 760px;
  --max-width-wide: 1000px;
  --radius: 8px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #14161a;
    --color-bg-alt: #1c1f25;
    --color-text: #e8e9ec;
    --color-text-muted: #9aa1ad;
    --color-border: #2c3038;
    --color-accent: #7da3ff;
    --color-accent-hover: #a4c0ff;
    --color-tag-bg: #20283d;
    --color-tag-text: #9db8ff;
  }
}

/* ==========================================================================
   2. Reset / Base
   ========================================================================== */

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 1rem;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
}
a:hover, a:focus { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 var(--space-3); }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }

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

ul, ol { padding-left: 1.25rem; }
ul.no-bullets, .post-list, .link-grid, .search__results { list-style: none; padding-left: 0; margin: 0; }

button { font: inherit; }

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

.container {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* ==========================================================================
   3. Header / Nav
   ========================================================================== */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
}

.site-header__brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-nav__list {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.site-nav__link.is-active,
.site-nav__link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-text);
}

/* ==========================================================================
   4. Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.site-footer__inner {
  padding: var(--space-4);
  text-align: center;
}

/* ==========================================================================
   5. Layout / Main
   ========================================================================== */

.site-main .container {
  max-width: var(--max-width);
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.page-header { margin-bottom: var(--space-5); }
.page-header__intro { color: var(--color-text-muted); }

.section-heading {
  font-size: 1.25rem;
  margin-top: var(--space-6);
}

/* ==========================================================================
   6. Home page
   ========================================================================== */

.hero__title { font-size: 2.25rem; }
.hero__intro { font-size: 1.25rem; color: var(--color-text-muted); margin-bottom: var(--space-5); margin-top: var(--space-6); }

.hero__image {
  text-align: center;
  margin-bottom: var(--space-5);
}

.hero__image img {
  max-width: 300px;
  width: 100%;
  margin: 0 auto;
  transform: rotate(-5deg);
}

.hero__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.card {
  display: block;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--color-accent);
  text-decoration: none;
  transform: translateY(-2px);
}

.card__title { margin-bottom: var(--space-1); }
.card__desc { margin: 0; color: var(--color-text-muted); font-size: 0.92rem; }

/* ==========================================================================
   7. Post lists (blog index, home recent posts, tags)
   ========================================================================== */

.post-list__item {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.post-list__item:first-child { padding-top: 0; }

.post-list__title {
  font-weight: 600;
  font-size: 1.05rem;
}

.post-list__date {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-left: var(--space-2);
}

.post-list--full .post-list__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin: var(--space-1) 0 var(--space-2);
}

.post-list__summary {
  margin: 0;
  color: var(--color-text-muted);
}

.see-all {
  display: inline-block;
  margin-top: var(--space-3);
  font-weight: 600;
}

.tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  text-decoration: none;
  margin-right: var(--space-1);
}
.tag:hover { text-decoration: none; opacity: 0.85; }

/* ==========================================================================
   8. Single post
   ========================================================================== */

.post__title { margin-bottom: var(--space-2); }

.post__meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
}

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

.post__content { line-height: 1.75; }
.post__content h2 { margin-top: var(--space-5); }
.post__content pre {
  background: var(--color-bg-alt);
  padding: var(--space-3);
  border-radius: var(--radius);
  overflow-x: auto;
}
.post__content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}
.post__content img {
  border-radius: var(--radius);
  margin: var(--space-3) 0;
}
.post__content blockquote {
  margin: var(--space-3) 0;
  padding-left: var(--space-3);
  border-left: 3px solid var(--color-border);
  color: var(--color-text-muted);
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-weight: 600;
}

/* ==========================================================================
   9. Resume
   ========================================================================== */

.resume__header { margin-bottom: var(--space-4); }
.resume__contact { color: var(--color-text-muted); margin-bottom: var(--space-3); }

.button {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
}
.button:hover { background: var(--color-accent-hover); text-decoration: none; }

.resume__section { margin-top: var(--space-5); }

.resume-entry { margin-bottom: var(--space-4); }

.resume-entry__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.resume-entry__title { margin: 0; font-size: 1.05rem; }
.resume-entry__dates { color: var(--color-text-muted); font-size: 0.85rem; white-space: nowrap; }
.resume-entry__location { color: var(--color-text-muted); font-size: 0.9rem; margin: 2px 0 var(--space-2); }
.resume-entry__highlights { margin: var(--space-1) 0 0; }

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
}

.skills-list__item {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.88rem;
}

/* ==========================================================================
   10. Elsewhere
   ========================================================================== */

.link-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.link-grid__item a {
  display: block;
  padding: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
}

.link-grid__item a:hover { border-color: var(--color-accent); }

.link-grid__name { display: block; font-weight: 600; }
.link-grid__handle { display: block; color: var(--color-text-muted); font-size: 0.85rem; margin-top: 2px; }

/* ==========================================================================
   11. Search
   ========================================================================== */

.search__input {
  width: 100%;
  padding: var(--space-3);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  color: var(--color-text);
}

.search__status {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin: var(--space-2) 0 0;
}

.search__results { margin-top: var(--space-3); }

.search__result {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.search__result-title { font-weight: 600; font-size: 1.05rem; }

.search__result-meta {
  color: var(--color-text-muted);
  font-size: 0.82rem;
  margin: 2px 0 var(--space-1);
  text-transform: capitalize;
}

.search__result-summary { margin: 0; color: var(--color-text-muted); }

/* ==========================================================================
   12. Pagination (matches Hugo's embedded partial "pagination.html" markup)
   ========================================================================== */

.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin-top: var(--space-5);
}

.page-link {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  text-decoration: none;
}

.page-link:hover { border-color: var(--color-accent); text-decoration: none; }

.page-item.active .page-link {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.page-item.disabled .page-link {
  color: var(--color-text-muted);
  cursor: default;
  opacity: 0.5;
}

/* ==========================================================================
   13. Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .hero__cards { grid-template-columns: 1fr; }
  .link-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav.is-open { display: block; }

  .site-header { position: relative; }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
    padding: var(--space-2) var(--space-4) var(--space-3);
  }

  .site-nav__item { border-top: 1px solid var(--color-border); }
  .site-nav__item:first-child { border-top: none; }
  .site-nav__link { display: block; padding: var(--space-3) 0; }

  .hero__title { font-size: 1.75rem; }

  .resume-entry__top { flex-direction: column; gap: var(--space-1); }
}