:root {
  --blog-brand: #206ba4;
  --blog-brand-hover: #1a5688;
  --blog-brand-soft: #bbd9ee;
  --blog-mist: #ebf4fa;
  --blog-bg: #f6fafd;
  --blog-surface: #ffffff;
  --blog-ink: #2a4a66;
  --blog-ink-soft: #3a5670;
  --blog-muted: #5a7389;
  --blog-line: color-mix(in srgb, var(--blog-brand) 14%, transparent);
  --blog-shadow: 0 20px 50px rgba(32, 107, 164, 0.1);
  --blog-shadow-sm: 0 10px 28px rgba(32, 107, 164, 0.08);
  --blog-radius: 18px;
  --blog-radius-sm: 12px;
  --blog-max: 1120px;
  --blog-measure: 42rem;
  --blog-font: "Onest", system-ui, sans-serif;
  --blog-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

.blog-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--blog-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--blog-ink);
  background: var(--blog-bg);
  overflow-x: clip;
}

.blog-body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 55% at 100% 0%, color-mix(in srgb, var(--blog-brand-soft) 38%, transparent), transparent 55%),
    radial-gradient(ellipse 55% 45% at 0% 18%, color-mix(in srgb, var(--blog-mist) 90%, transparent), transparent 52%),
    linear-gradient(180deg, #eef5fb 0%, var(--blog-bg) 42%, #f8fbfd 100%);
}

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

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--blog-ink);
  overflow-wrap: break-word;
}

p {
  margin: 0;
}

.blog-wrap {
  width: min(var(--blog-max), calc(100% - 2.5rem));
  margin-inline: auto;
}

/* Header */
.blog-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--blog-bg) 84%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--blog-ease), box-shadow 0.25s var(--blog-ease);
}

.blog-header.is-scrolled {
  border-bottom-color: var(--blog-line);
  box-shadow: 0 8px 32px rgba(32, 107, 164, 0.06);
}

.blog-header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 68px;
}

.blog-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  color: var(--blog-brand);
  font-size: 1.15rem;
  font-weight: 700;
}

.blog-brand .mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--blog-brand-soft);
  color: var(--blog-brand);
}

.blog-brand .pms-brand-suffix {
  color: var(--blog-muted);
  font-weight: 600;
}

.blog-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.blog-nav a {
  color: var(--blog-muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s var(--blog-ease);
}

.blog-nav a:hover {
  color: var(--blog-brand);
}

.blog-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 14px;
  background: var(--blog-mist);
  color: var(--blog-brand);
  cursor: pointer;
}

.blog-menu-toggle svg {
  width: 22px;
  height: 22px;
  display: block;
  margin: auto;
}

.blog-mobile-nav {
  display: none;
  border-top: 1px solid var(--blog-line);
  background: color-mix(in srgb, var(--blog-surface) 92%, transparent);
  backdrop-filter: blur(12px);
}

.blog-mobile-nav.is-open {
  display: block;
}

.blog-mobile-nav-inner {
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem 0 1.4rem;
}

.blog-mobile-nav a {
  padding: 0.85rem 1rem;
  border-radius: 14px;
  font-weight: 600;
  color: var(--blog-ink-soft);
}

.blog-mobile-nav a:hover {
  background: var(--blog-mist);
  color: var(--blog-brand);
}

.blog-mobile-nav-actions {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.65rem;
}

.blog-mobile-nav-actions .blog-btn {
  width: 100%;
}

/* Buttons */
.blog-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.65rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--blog-brand);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  transition: background 0.2s var(--blog-ease), transform 0.2s var(--blog-ease), border-color 0.2s var(--blog-ease), color 0.2s var(--blog-ease);
}

.blog-btn:hover {
  background: var(--blog-brand-hover);
}

.blog-btn:active {
  transform: translateY(1px);
}

.blog-btn--secondary {
  background: transparent;
  color: var(--blog-brand);
  border-color: color-mix(in srgb, var(--blog-brand) 38%, transparent);
  border-width: 1.5px;
}

.blog-btn--secondary:hover {
  background: var(--blog-mist);
  color: var(--blog-brand-hover);
}

.blog-btn--ghost {
  background: transparent;
  color: var(--blog-ink-soft);
  border-color: var(--blog-line);
}

.blog-btn--ghost:hover {
  background: var(--blog-surface);
  border-color: color-mix(in srgb, var(--blog-brand) 28%, transparent);
  color: var(--blog-brand);
}

.blog-btn--sm {
  min-height: 38px;
  padding: 0.45rem 0.95rem;
  font-size: 0.88rem;
}

.blog-btn--light {
  background: #fff;
  color: var(--blog-brand);
}

.blog-btn--light:hover {
  background: var(--blog-mist);
}

/* Hero */
.blog-hero {
  position: relative;
  padding: clamp(2.4rem, 5vw, 3.8rem) 0 clamp(2rem, 4vw, 3rem);
  overflow: clip;
}

.blog-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(220px, 0.85fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.blog-hero::after {
  content: none;
}

.blog-hero-visual {
  position: relative;
  min-height: 300px;
  border-radius: 28px;
  background:
    linear-gradient(165deg, #ffffff 0%, #e7f2fa 52%, #d7eaf7 100%);
  border: 1px solid color-mix(in srgb, var(--blog-brand) 18%, transparent);
  box-shadow: var(--blog-shadow);
  overflow: hidden;
  animation: blog-rise 0.8s 0.16s var(--blog-ease) both;
}

.blog-hero-visual::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 28% 22%, color-mix(in srgb, var(--blog-brand-soft) 85%, transparent), transparent 40%),
    radial-gradient(circle at 82% 78%, color-mix(in srgb, var(--blog-brand) 22%, transparent), transparent 46%);
  animation: blog-glow 8s var(--blog-ease) infinite alternate;
}

.blog-tape {
  position: absolute;
  inset: 18px;
  display: grid;
  grid-template-columns: 56px repeat(5, 1fr);
  grid-template-rows: 28px repeat(5, 1fr);
  gap: 6px;
  z-index: 1;
}

.blog-tape span {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid color-mix(in srgb, var(--blog-brand) 12%, transparent);
}

.blog-tape .label {
  display: grid;
  place-items: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--blog-muted);
  background: rgba(255, 255, 255, 0.88);
}

.blog-tape .busy {
  background: linear-gradient(135deg, #1a6aa8, #4aa0d6);
  border-color: transparent;
  box-shadow: 0 8px 18px rgba(32, 107, 164, 0.28);
}

.blog-tape .soft {
  background: color-mix(in srgb, var(--blog-brand-soft) 70%, #fff);
}

.blog-hero--compact .blog-hero-grid {
  display: block;
}

.blog-hero--compact .blog-hero-visual {
  display: none;
}

.blog-brand-signal {
  margin: 0 0 0.85rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--blog-brand);
  animation: blog-rise 0.7s var(--blog-ease) both;
}

.blog-brand-signal span {
  color: var(--blog-muted);
  font-weight: 600;
}

.blog-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4.8vw, 3.15rem);
  max-width: 16ch;
  animation: blog-rise 0.75s 0.06s var(--blog-ease) both;
}

.blog-lead {
  margin: 0 0 1.5rem;
  max-width: 36rem;
  color: var(--blog-muted);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.55;
  animation: blog-rise 0.75s 0.12s var(--blog-ease) both;
}

.blog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  animation: blog-rise 0.75s 0.18s var(--blog-ease) both;
}

/* Sections */
.blog-section {
  padding: 0.5rem 0 3.2rem;
}

.blog-section--alt {
  padding-top: 2.6rem;
  padding-bottom: 3.4rem;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--blog-surface) 55%, transparent), color-mix(in srgb, var(--blog-mist) 35%, transparent));
  border-top: 1px solid var(--blog-line);
  border-bottom: 1px solid var(--blog-line);
}

.blog-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.blog-section-title {
  margin: 0;
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
}

.blog-section-note {
  color: var(--blog-muted);
  font-size: 0.92rem;
}

/* Pillars */
.blog-pillar-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.blog-pillar {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 168px;
  padding: 1.25rem 1.3rem;
  border-radius: var(--blog-radius);
  background: var(--blog-surface);
  border: 1px solid var(--blog-line);
  box-shadow: var(--blog-shadow-sm);
  transition: transform 0.25s var(--blog-ease), border-color 0.25s var(--blog-ease), box-shadow 0.25s var(--blog-ease);
}

.blog-pillar:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--blog-brand) 32%, transparent);
  box-shadow: var(--blog-shadow);
}

.blog-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--blog-mist);
  color: var(--blog-brand);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.blog-pillar strong {
  font-size: 1.05rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.blog-pillar > span:last-child {
  color: var(--blog-muted);
  font-size: 0.92rem;
  line-height: 1.45;
  margin-top: auto;
}

/* Layout split */
.blog-layout-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 2.4rem;
  align-items: start;
}

.blog-post-list {
  display: grid;
  gap: 0;
}

.blog-post-row {
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--blog-line);
}

.blog-post-row:first-child {
  padding-top: 0.2rem;
}

.blog-post-row h2,
.blog-post-row h3 {
  margin: 0.4rem 0 0.45rem;
  font-size: 1.22rem;
  line-height: 1.28;
}

.blog-post-row h2 a,
.blog-post-row h3 a {
  transition: color 0.2s var(--blog-ease);
}

.blog-post-row h2 a:hover,
.blog-post-row h3 a:hover {
  color: var(--blog-brand);
}

.blog-post-row p {
  margin: 0 0 0.65rem;
  color: var(--blog-muted);
  line-height: 1.5;
  max-width: 62ch;
}

.blog-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  background: var(--blog-mist);
  color: var(--blog-brand);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: background 0.2s var(--blog-ease);
}

.blog-chip:hover {
  background: var(--blog-brand-soft);
}

.blog-meta,
.blog-post-row time {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.65rem;
  color: var(--blog-muted);
  font-size: 0.86rem;
}

.blog-meta > span + span::before,
.blog-meta-line > span + span::before {
  content: "·";
  margin-right: 0.65rem;
  opacity: 0.55;
}

.blog-meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0;
  color: var(--blog-muted);
  font-size: 0.86rem;
}

/* Aside */
.blog-aside {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 1.1rem;
}

.blog-aside-card {
  padding: 1.15rem 1.2rem;
  border-radius: var(--blog-radius);
  background: var(--blog-surface);
  border: 1px solid var(--blog-line);
  box-shadow: var(--blog-shadow-sm);
}

.blog-aside-card h2 {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
}

.blog-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.blog-cat-list a {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: 12px;
  color: var(--blog-ink-soft);
  font-weight: 600;
  font-size: 0.92rem;
  transition: background 0.2s var(--blog-ease), color 0.2s var(--blog-ease);
}

.blog-cat-list a:hover,
.blog-cat-list a.is-active {
  background: var(--blog-mist);
  color: var(--blog-brand);
}

.blog-cta-box {
  position: relative;
  overflow: hidden;
  padding: 1.3rem;
  border-radius: var(--blog-radius);
  background:
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--blog-brand-soft) 35%, transparent), transparent 45%),
    linear-gradient(145deg, #1d5f93 0%, #164e78 100%);
  color: #fff;
  box-shadow: var(--blog-shadow);
}

.blog-cta-box strong {
  display: block;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.blog-cta-box p {
  margin: 0.5rem 0 1rem;
  opacity: 0.92;
  line-height: 1.45;
}

.blog-cta-box--wide {
  margin: 2.75rem 0 1.75rem;
  padding: 1.6rem 1.7rem;
}

.blog-cta-box .blog-btn--secondary,
.blog-cta-box .blog-btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.38);
}

.blog-cta-box .blog-btn--secondary:hover,
.blog-cta-box .blog-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* Article */
.blog-article {
  padding: 1.6rem 0 4rem;
}

.blog-article-wrap {
  width: min(var(--blog-measure), calc(100% - 2.5rem));
  margin-inline: auto;
}

.blog-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  color: var(--blog-muted);
  font-size: 0.86rem;
}

.blog-crumbs a {
  color: var(--blog-brand);
  font-weight: 600;
}

.blog-crumbs a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-article-header {
  margin-bottom: 0.4rem;
}

.blog-article-header h1 {
  margin: 0.7rem 0 0.9rem;
  font-size: clamp(1.85rem, 4vw, 2.55rem);
  line-height: 1.12;
  max-width: 18ch;
}

.blog-prose {
  margin-top: 1.9rem;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--blog-ink-soft);
}

.blog-prose > p:first-of-type {
  font-size: 1.12rem;
  color: var(--blog-ink);
}

.blog-prose h2 {
  margin: 2.4rem 0 0.85rem;
  font-size: 1.4rem;
  color: var(--blog-ink);
}

.blog-prose h3 {
  margin: 1.7rem 0 0.65rem;
  font-size: 1.12rem;
  color: var(--blog-ink);
}

.blog-prose p {
  margin: 0 0 1.05rem;
}

.blog-prose ul,
.blog-prose ol {
  margin: 0 0 1.15rem;
  padding-left: 1.2rem;
}

.blog-prose li {
  margin-bottom: 0.4rem;
}

.blog-prose li::marker {
  color: var(--blog-brand);
}

.blog-prose a {
  color: var(--blog-brand);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.blog-prose a:hover {
  color: var(--blog-brand-hover);
}

.blog-prose table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0.4rem 0 1.4rem;
  font-size: 0.94rem;
  overflow: hidden;
  border: 1px solid var(--blog-line);
  border-radius: var(--blog-radius-sm);
  background: var(--blog-surface);
}

.blog-prose th,
.blog-prose td {
  padding: 0.7rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--blog-line);
}

.blog-prose tr:last-child td {
  border-bottom: 0;
}

.blog-prose th {
  background: var(--blog-mist);
  color: var(--blog-ink);
  font-weight: 700;
}

.blog-prose strong {
  color: var(--blog-ink);
  font-weight: 600;
}

.blog-related {
  margin-top: 2.4rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--blog-line);
}

.blog-related h2 {
  margin: 0 0 1rem;
  font-size: 1.2rem;
}

.blog-related-grid {
  display: grid;
  gap: 0.75rem;
}

.blog-related-card {
  display: block;
  padding: 1rem 1.1rem;
  border-radius: var(--blog-radius-sm);
  background: var(--blog-surface);
  border: 1px solid var(--blog-line);
  transition: border-color 0.2s var(--blog-ease), transform 0.2s var(--blog-ease), box-shadow 0.2s var(--blog-ease);
}

.blog-related-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--blog-brand) 30%, transparent);
  box-shadow: var(--blog-shadow-sm);
}

.blog-related-card strong {
  display: block;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.blog-category-desc {
  margin-top: 0.85rem;
  max-width: 46rem;
  color: var(--blog-muted);
  line-height: 1.65;
  white-space: pre-line;
}

/* Pagination */
.blog-pagination {
  margin-top: 1.8rem;
}

.blog-pager {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.35rem;
  border-radius: 999px;
  background: var(--blog-surface);
  border: 1px solid var(--blog-line);
  box-shadow: var(--blog-shadow-sm);
}

.blog-pager-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.85rem;
  border-radius: 999px;
  font-weight: 700;
  color: var(--blog-brand);
  transition: background 0.2s var(--blog-ease);
}

.blog-pager-btn:hover {
  background: var(--blog-mist);
}

.blog-pager-btn.is-disabled {
  opacity: 0.35;
  pointer-events: none;
}

.blog-pager-info {
  min-width: 4.5rem;
  text-align: center;
  color: var(--blog-muted);
  font-size: 0.88rem;
  font-weight: 600;
}

/* Footer */
.blog-footer {
  margin-top: auto;
  padding: 2.4rem 0 2.6rem;
  border-top: 1px solid var(--blog-line);
  background: color-mix(in srgb, var(--blog-surface) 70%, transparent);
}

.blog-footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: start;
}

.blog-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-width: 28rem;
}

.blog-footer-brand strong {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.blog-footer p {
  color: var(--blog-muted);
  line-height: 1.5;
}

.blog-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}

.blog-footer-links a {
  color: var(--blog-muted);
  font-weight: 600;
  font-size: 0.92rem;
}

.blog-footer-links a:hover {
  color: var(--blog-brand);
}

@keyframes blog-rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes blog-glow {
  from {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.85;
  }
  to {
    transform: translate3d(-4%, 3%, 0) scale(1.06);
    opacity: 1;
  }
}

@media (max-width: 980px) {
  .blog-pillar-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .blog-layout-split {
    grid-template-columns: 1fr;
  }

  .blog-aside {
    position: static;
  }

  .blog-hero-grid {
    grid-template-columns: 1fr;
  }

  .blog-hero-visual {
    min-height: 220px;
    max-width: 420px;
  }
}

@media (max-width: 860px) {
  .blog-nav,
  .blog-header-actions .blog-btn {
    display: none;
  }

  .blog-menu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .blog-hero h1 {
    max-width: none;
  }

  .blog-article-header h1 {
    max-width: none;
  }

  .blog-wrap,
  .blog-article-wrap {
    width: min(var(--blog-max), calc(100% - 1.5rem));
  }
}

@media (max-width: 640px) {
  .blog-pillar-list {
    grid-template-columns: 1fr;
  }

  .blog-cta-box--wide .blog-actions {
    display: grid;
  }

  .blog-cta-box--wide .blog-btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}