:root {
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --surface-muted: #f2f4f7;
  --ink: #0f172a;
  --ink-light: #475467;
  --ink-muted: #98a2b3;
  --accent: #0f172a;
  --accent-soft: #111827;
  --border: #e4e7ec;
  --radius-lg: 1.25rem;
  --radius-md: 0.75rem;
  --radius-sm: 0.5rem;
  --shadow-card: 0 20px 35px rgba(15, 23, 42, 0.08);
  --font-sans: 'Inter', 'Satoshi', 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--surface);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  font-size: 1rem;
}

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

.container {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
}

.site-brand {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.primary-nav,
.mobile-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav {
  display: flex;
  gap: 2rem;
}

.primary-nav a,
.mobile-nav a {
  color: var(--ink-light);
  transition: color 200ms ease;
  font-weight: 500;
}

.primary-nav .current-menu-item > a,
.primary-nav .current_page_item > a,
.mobile-nav .current-menu-item > a,
.mobile-nav .current_page_item > a {
  color: var(--ink);
}

.primary-nav a.is-active,
.primary-nav a:focus,
.primary-nav a:hover {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 999px;
}

.nav-toggle__icon {
  width: 20px;
  height: 16px;
  position: relative;
}

.nav-toggle__icon span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  position: absolute;
  left: 0;
  transition: transform 200ms ease, opacity 200ms ease;
}

.nav-toggle__icon span:nth-child(1) {
  top: 0;
}

.nav-toggle__icon span:nth-child(2) {
  top: 7px;
}

.nav-toggle__icon span:nth-child(3) {
  top: 14px;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] .nav-toggle__icon span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding-bottom: 1.5rem;
}

.mobile-nav a {
  color: var(--ink-light);
  font-weight: 500;
}

.mobile-nav a:hover {
  color: var(--ink);
}

.mobile-nav a.is-active {
  color: var(--ink);
}

@media (max-width: 768px) {
  .primary-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .mobile-nav.is-open {
    display: flex;
  }
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.section-heading h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  margin: 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  background: var(--surface-muted);
  color: var(--ink-light);
}

.post-card__body .pill {
  align-self: flex-start;
}

.post-card__categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  position: relative;
  z-index: 2;
}

.single-featured__caption {
  margin-top: 0.5rem;
  margin-bottom: 2rem;
  color: var(--ink-light);
  text-align: center;
  font-size: 0.95rem;
}

.single-categories,
.related-card__categories {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.single-categories {
  margin-bottom: 1rem;
}

.related-card__categories {
  margin-bottom: 0.75rem;
}

.post-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.post-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 250ms ease, box-shadow 250ms ease;
  position: relative;
}

.post-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  gap: 1rem;
  position: relative;
  z-index: 0;
}

.post-card__permalink {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

.post-card__permalink:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.post-card__image {
  height: 240px;
  overflow: hidden;
  position: relative;
  z-index: 0;
}

.post-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 250ms ease;
}

.post-card__image--placeholder {
  background: var(--surface-muted);
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.post-card__body {
  padding: 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
  position: relative;
  z-index: 0;
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}

.post-card:hover .post-card__image img {
  transform: scale(1.05);
}

.post-card__title {
  font-size: 1.25rem;
  margin: 0;
  line-height: 1.5;
}

.post-card__excerpt {
  color: var(--ink-light);
  margin: 0;
}

.post-card__meta {
  display: flex;
  gap: 1.25rem;
  color: var(--ink-light);
  font-size: 0.925rem;
}

.post-card__meta span {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
}

.blog-wrapper {
  padding: 4rem 0 3rem;
}

.blog-wrapper .section-heading {
  margin-bottom: 3rem;
}

.single-wrapper {
  padding: 4rem 0 5rem;
}

.single-article {
  max-width: 760px;
  margin: 0 auto;
}

.single-article .back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-light);
  margin-bottom: 2rem;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.single-article header {
  margin-bottom: 2.5rem;
}

.single-article h1 {
  font-size: clamp(2rem, 4vw, 2.875rem);
  margin: 0 0 1.5rem;
}

.single-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: var(--ink-light);
}

.single-featured {
  margin: 2.5rem 0 0.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.single-featured img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.single-content {
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.8;
}

.single-content a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(15, 23, 42, 0.4);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

.single-content a:hover {
  text-decoration-color: var(--accent);
}

.single-tags {
  margin: 2rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.single-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--ink-light);
  transition: border-color 200ms ease, color 200ms ease;
}

.single-tag:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.single-content__figure {
  margin: 2rem 0 2.25rem;
}

.single-content__figure img {
  width: 100%;
  border-radius: var(--radius-md);
  display: block;
}

.single-content__caption {
  margin-top: 0.5rem;
  margin-bottom: 0;
  color: var(--ink-light);
  font-size: 0.95rem;
  text-align: center;
}

.single-content h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.single-content p {
  margin-bottom: 1.5rem;
  color: var(--ink-light);
}

.author-card {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.author-card img {
  width: 48px;
  height: 48px;
  border-radius: 999px;
  object-fit: cover;
}

.author-card__name {
  color: inherit;
  text-decoration: none;
}

.author-card__name:hover {
  text-decoration: underline;
}

.share-bar,
.related-section {
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  margin-top: 2.5rem;
}

.share-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  font-weight: 500;
  transition: background 200ms ease, color 200ms ease;
}

.btn:hover {
  background: var(--ink);
  color: #fff;
}

.btn--success {
  background: #22c55e;
  border-color: #22c55e;
  color: #fff;
}

.related-grid {
  display: grid;
  gap: 1.5rem;
}

.related-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: transform 200ms ease, box-shadow 200ms ease;
  overflow: hidden;
}

.related-card__link {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.5rem;
  align-items: stretch;
  color: inherit;
  padding: 0;
}

.related-card__media {
  height: 100%;
  overflow: hidden;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.related-card__media img,
.related-card__media .post-card__image--placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-card__media img {
  transition: transform 200ms ease;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.related-card__body {
  padding: 1.25rem 1.5rem;
}

.about-wrapper {
  padding: 4rem 0 5rem;
}

.about-hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.about-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.about-profile {
  text-align: center;
  margin-bottom: 3rem;
}

.about-avatar {
  width: 180px;
  height: 180px;
  margin: 0 auto 1.5rem;
  border-radius: 999px;
  overflow: hidden;
  border: 6px solid var(--surface-muted);
}

.about-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.about-social a {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-light);
  transition: background 200ms ease, color 200ms ease, border 200ms ease;
}

.about-social a:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.about-body {
  max-width: 720px;
  margin: 0 auto;
  color: var(--ink-light);
  font-size: 1.05rem;
  line-height: 1.9;
  display: grid;
  gap: 1.5rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  margin-top: 4rem;
}

.site-footer__top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  padding: 3rem 0;
}

.site-footer__column h4 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.site-footer__column p,
.site-footer__column a {
  color: var(--ink-light);
}

.site-footer__column ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.site-footer__bottom {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--ink-light);
  font-size: 0.95rem;
}

.navigation.pagination {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

.navigation.pagination .nav-links {
  display: inline-flex;
  gap: 0.5rem;
}

.navigation.pagination .nav-links a,
.navigation.pagination .nav-links span {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink-light);
}

.navigation.pagination .nav-links .current,
.navigation.pagination .nav-links a:hover {
  border-color: var(--ink);
  color: var(--ink);
}

@media (max-width: 640px) {
  .post-card__image {
    height: 200px;
  }

  .post-card__body {
    padding: 0 1.25rem 1.25rem;
  }

  .related-card__link {
    grid-template-columns: 1fr;
  }

  .single-featured img {
    height: 300px;
  }

  .share-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}