:root {
  --page-bg: #09090b;
  --surface: rgba(23, 23, 27, 0.84);
  --surface-strong: #111827;
  --surface-soft: rgba(38, 38, 45, 0.82);
  --text: #f5f7fb;
  --muted: #a7afbe;
  --subtle: #7c8699;
  --border: rgba(148, 163, 184, 0.16);
  --shadow: rgba(2, 6, 23, 0.5);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(168, 85, 247, 0.14), transparent 28%),
    radial-gradient(circle at bottom center, rgba(34, 197, 94, 0.1), transparent 26%),
    var(--page-bg);
}

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

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(64, 64, 64, 0.9);
  background: rgba(23, 23, 27, 0.94);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02);
}

.site-header__inner,
.site-footer__inner {
  width: min(1280px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4rem;
  padding: 0.5rem 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-brand__logo {
  display: block;
  width: 3rem;
  height: 3rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 2rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
}

.site-nav a {
  white-space: nowrap;
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #60a5fa;
}

.blog-main {
  flex: 1;
  padding: 3rem 1rem 5rem;
}

.blog-hero,
.posts-group,
.posts-list,
.blog-post {
  width: min(1280px, 100%);
  margin: 0 auto;
}

.blog-hero {
  position: relative;
  overflow: hidden;
  text-align: center;
  margin-bottom: 2.75rem;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 4vw, 3rem);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 2rem;
  background:
    linear-gradient(180deg, rgba(38, 38, 45, 0.72), rgba(9, 9, 11, 0.9)),
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.2), transparent 38%),
    radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.16), transparent 35%);
  box-shadow: 0 24px 80px -40px rgba(59, 130, 246, 0.45);
}

.blog-hero::before {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.14), transparent 24%),
    radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.12), transparent 28%);
  pointer-events: none;
}

.blog-hero > * {
  position: relative;
}

.blog-hero__kicker {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #93c5fd;
}

.blog-hero__title {
  margin: 0;
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.blog-hero__description {
  max-width: 760px;
  margin: 1.3rem auto 0;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
  color: var(--muted);
}

.posts-group {
  margin-bottom: 3rem;
}

.posts-group__header {
  margin-bottom: 1.1rem;
}

.posts-group__title {
  margin: 0;
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
  letter-spacing: -0.03em;
}

.posts-group__description {
  margin: 0.45rem 0 0;
  max-width: 48rem;
  color: var(--muted);
  line-height: 1.7;
}

.posts-list {
  display: grid;
  gap: 1.35rem;
}

.post-card {
  --accent-rgb: 96, 165, 250;
  --accent-alt-rgb: 37, 99, 235;
  display: block;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.88), rgba(10, 10, 11, 0.94));
  box-shadow: 0 24px 60px -28px var(--shadow);
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.post-card::before {
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(circle at top right, rgba(var(--accent-rgb), 0.22), transparent 24%),
    radial-gradient(circle at bottom left, rgba(var(--accent-alt-rgb), 0.18), transparent 28%);
  pointer-events: none;
}

.post-card:hover,
.post-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(var(--accent-rgb), 0.45);
  box-shadow: 0 30px 65px -28px rgba(var(--accent-rgb), 0.22);
}

.post-card:focus-visible {
  outline: 3px solid rgba(var(--accent-rgb), 0.35);
  outline-offset: 3px;
}

.post-card__body {
  position: relative;
  padding: 1.75rem;
}

.post-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  background: rgba(15, 23, 42, 0.8);
}

.post-card__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-card--featured .post-card__media {
  aspect-ratio: 16 / 8;
}

.post-card--featured .post-card__body {
  padding: 2.3rem;
}

.post-card__header {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  margin-bottom: 1.25rem;
}

.post-card__icon {
  flex: 0 0 auto;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.95rem;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 1), rgba(var(--accent-alt-rgb), 1));
  box-shadow: 0 18px 32px -20px rgba(var(--accent-rgb), 0.85);
}

.post-card__source,
.post-card__meta {
  margin: 0;
}

.post-card__source {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgb(var(--accent-rgb));
}

.post-card__meta {
  margin-top: 0.15rem;
  color: var(--subtle);
  font-size: 0.8rem;
}

.post-card__title {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.18;
  letter-spacing: -0.03em;
  transition: color 180ms ease;
}

.post-card--featured .post-card__title {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
}

.post-card__description {
  margin: 1rem 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.post-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.4rem;
}

.post-card__tag {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(var(--accent-rgb), 0.14);
  color: rgb(var(--accent-rgb));
  font-size: 0.8rem;
  font-weight: 600;
}

.post-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.45rem;
  font-weight: 600;
  color: rgb(var(--accent-rgb));
}

.post-card:hover .post-card__title,
.post-card:focus-visible .post-card__title,
.post-card:hover .post-card__link,
.post-card:focus-visible .post-card__link {
  color: rgb(var(--accent-alt-rgb));
}

.post-card__link span[aria-hidden="true"] {
  transition: transform 180ms ease;
}

.post-card:hover .post-card__link span[aria-hidden="true"],
.post-card:focus-visible .post-card__link span[aria-hidden="true"] {
  transform: translateX(3px);
}

.post-card--microsoft-open-source-blog {
  --accent-rgb: 96, 165, 250;
  --accent-alt-rgb: 147, 51, 234;
}

.post-card--aws-blog {
  --accent-rgb: 249, 115, 22;
  --accent-alt-rgb: 245, 158, 11;
}

.post-card--azure-cosmos-db-blog {
  --accent-rgb: 168, 85, 247;
  --accent-alt-rgb: 59, 130, 246;
}

.post-card--yugabytedb-blog {
  --accent-rgb: 34, 197, 94;
  --accent-alt-rgb: 16, 185, 129;
}

.post-card--documentdb-blog {
  --accent-rgb: 14, 165, 233;
  --accent-alt-rgb: 59, 130, 246;
}

.blog-post {
  max-width: 840px;
}

.blog-post__back {
  margin: 0 0 1.2rem;
}

.blog-post__back a {
  color: var(--muted);
  font-weight: 600;
  transition: color 160ms ease;
}

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

.blog-post__header,
.blog-post__content-shell {
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.82), rgba(10, 10, 11, 0.9));
  box-shadow: 0 24px 60px -28px var(--shadow);
}

.blog-post__header {
  padding: 2rem;
}

.blog-post__eyebrow {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7dd3fc;
}

.blog-post__title {
  margin: 0.75rem 0 0;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
}

.blog-post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1rem;
  color: var(--subtle);
  font-size: 0.95rem;
}

.blog-post__lead {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.blog-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;
}

.blog-post__tag {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.14);
  color: #7dd3fc;
  font-size: 0.8rem;
  font-weight: 600;
}

.blog-post__content-shell {
  margin-top: 1.5rem;
  padding: 2rem;
}

.blog-post__hero {
  margin-top: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: rgba(15, 23, 42, 0.85);
  box-shadow: 0 24px 60px -28px var(--shadow);
}

.blog-post__hero-image {
  display: block;
  width: 100%;
  height: auto;
}

.blog-post__content {
  color: #e5e7eb;
  line-height: 1.8;
  font-size: 1.05rem;
}

.blog-post__content > :first-child {
  margin-top: 0;
}

.blog-post__content > :last-child {
  margin-bottom: 0;
}

.blog-post__content h2,
.blog-post__content h3,
.blog-post__content h4 {
  margin-top: 2.25rem;
  margin-bottom: 0.8rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.blog-post__content h2 {
  font-size: 1.75rem;
}

.blog-post__content h3 {
  font-size: 1.35rem;
}

.blog-post__content p,
.blog-post__content ul,
.blog-post__content ol,
.blog-post__content blockquote,
.blog-post__content pre,
.blog-post__content table {
  margin: 1.2rem 0;
}

.blog-post__content ul,
.blog-post__content ol {
  padding-left: 1.5rem;
}

.blog-post__content li + li {
  margin-top: 0.45rem;
}

.blog-post__content a {
  color: #93c5fd;
  text-decoration: underline;
  text-decoration-color: rgba(147, 197, 253, 0.35);
  text-underline-offset: 0.18em;
}

.blog-post__content a:hover {
  color: #bfdbfe;
}

.blog-post__content blockquote {
  padding: 1rem 1.25rem;
  border-left: 4px solid rgba(59, 130, 246, 0.7);
  border-radius: 16px;
  background: rgba(30, 41, 59, 0.55);
  color: #dbeafe;
}

.blog-post__content pre {
  overflow-x: auto;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: #0f172a;
}

.blog-post__content code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.92em;
}

.blog-post__content :not(pre) > code {
  padding: 0.18rem 0.42rem;
  border-radius: 10px;
  background: rgba(30, 41, 59, 0.75);
}

.blog-post__content img {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 1.5rem 0;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 24px;
  background: rgba(15, 23, 42, 0.82);
  box-shadow: 0 24px 60px -28px var(--shadow);
}

.blog-post__content table {
  width: 100%;
  border-collapse: collapse;
}

.blog-post__content th,
.blog-post__content td {
  padding: 0.75rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
  text-align: left;
}

.blog-post__content hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid rgba(148, 163, 184, 0.16);
}

.site-footer {
  border-top: 1px solid rgba(64, 64, 64, 0.9);
  background: rgba(23, 23, 27, 0.96);
}

.site-footer__inner {
  padding: 1rem 0;
  color: var(--subtle);
  font-size: 0.85rem;
  line-height: 1.6;
  text-align: center;
}

@media (max-width: 820px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .blog-main {
    padding-top: 3rem;
  }

  .blog-post__header,
  .blog-post__content-shell {
    padding: 1.5rem;
  }
}

@media (max-width: 640px) {
  .site-header__inner,
  .site-footer__inner {
    width: min(1280px, calc(100% - 1.5rem));
  }

  .post-card__body,
  .post-card--featured .post-card__body {
    padding: 1.35rem;
  }

  .post-card__header {
    align-items: flex-start;
  }
}