:root {
  --ink: #0f172a;
  --muted: #56637a;
  --accent: #ef4444;
  --accent-deep: #b91c1c;
  --cream: #f8f4ef;
  --sky: #dbeafe;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
}

body.lp-body {
  background: radial-gradient(circle at 10% 10%, #fff1f2 0%, transparent 40%),
    radial-gradient(circle at 90% 20%, #e0f2fe 0%, transparent 45%),
    linear-gradient(120deg, #f8fafc 0%, #fef3c7 100%);
  color: var(--ink);
  font-family: "Manrope", "Segoe UI", sans-serif;
}

.blog-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 8vw 18px;
  background: rgba(255, 247, 237, 0);
  backdrop-filter: blur(10px);
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
}

.blog-nav.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  padding: 16px 8vw;
}

.blog-nav + main {
  padding-top: 96px;
}

.blog-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
}

.blog-logo-mark {
  height: 30px;
  width: auto;
}

.blog-logo-badge {
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 600;
  border: 1px solid rgba(244, 63, 94, 0.35);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
}
.blog-nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.blog-nav-link {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.2s ease;
}

.blog-nav-link:hover {
  color: var(--accent-deep);
}


.blog-lang select {
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  padding: 6px 14px;
  background: #fff;
  color: var(--ink);
  font-size: 0.9rem;
}

.blog-nav:not(.is-scrolled) .blog-lang select {
  background: transparent;
}

.blog-hero {
  padding: 40px 8vw 10px;
}

.blog-hero-content {
  max-width: 740px;
}

.blog-kicker {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent-deep);
}

.blog-hero h1 {
  font-family: "Fraunces", "Georgia", serif;
  font-size: clamp(2.6rem, 4vw, 4rem);
  margin-top: 14px;
  line-height: 1.05;
}

.blog-subtitle {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.05rem;
}

.blog-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
  padding: 24px 8vw 80px;
}

.blog-card {
  background: var(--cream);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.blog-card h2 {
  font-family: "Fraunces", "Georgia", serif;
  font-size: 1.4rem;
}

.blog-card-date {
  font-size: 0.8rem;
  color: var(--muted);
}

.blog-card-summary {
  color: var(--muted);
}

.blog-card-author {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.2);
  width: fit-content;
}

.blog-card-author-photo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.blog-card-author-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
}
.blog-card-link {
  margin-top: auto;
  color: var(--accent-deep);
  font-weight: 600;
}

.blog-empty {
  grid-column: 1 / -1;
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow);
}

.blog-article {
  --blog-article-width: min(64rem, 58vw);
  padding: 48px 8vw 80px;
  display: grid;
  gap: 28px;
}

.blog-article-header-card {
  background: #fff;
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: var(--blog-article-width);
  margin: 0 auto;
}


.blog-article-date {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--accent-deep);
}

.blog-article h1 {
  font-family: "Fraunces", "Georgia", serif;
  font-size: clamp(2.1rem, 3.6vw, 3.2rem);
  margin-top: 14px;
  margin-bottom: 12px;
}

.blog-article-summary {
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.blog-article-meta {
  display: grid;
  gap: 16px;
}

.blog-author {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(248, 250, 252, 0.9);
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  width: fit-content;
}

.blog-author-details {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.blog-author-links {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.blog-author-links a {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #0f172a;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: transform 0.2s ease, background 0.2s ease;
}

.blog-author-links a:hover {
  transform: translateY(-1px);
  background: var(--accent-deep);
}

.blog-author-links svg {
  width: 12px;
  height: 12px;
  display: block;
}

.blog-author-photo {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
}

.blog-author-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}

.blog-article-body {
  display: grid;
}

.blog-article-body-card {
  background: rgba(255, 255, 255, 0.94);
  border-radius: 24px;
  padding: 36px;
  box-shadow: var(--shadow);
  line-height: 1.75;
  display: flex;
  flex-direction: column;
  gap: 22px;
  width: 100%;
  max-width: var(--blog-article-width);
  margin: 0 auto;
}

.blog-text-block {
  line-height: 1.75;
}

.blog-text-block h1,
.blog-text-block h2,
.blog-text-block h3,
.blog-text-block h4,
.blog-text-block h5,
.blog-text-block h6,
.blog-article-summary h1,
.blog-article-summary h2,
.blog-article-summary h3,
.blog-card-summary h1,
.blog-card-summary h2,
.blog-card-summary h3 {
  font-family: "Fraunces", "Georgia", serif;
  margin-top: 18px;
  line-height: 1.2;
}

.blog-text-block h1,
.blog-article-summary h1,
.blog-card-summary h1 {
  font-size: 1.9rem;
}

.blog-text-block h2,
.blog-article-summary h2,
.blog-card-summary h2 {
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.blog-text-block h3,
.blog-article-summary h3,
.blog-card-summary h3 {
  font-size: 1.35rem;
}

.blog-text-block a,
.blog-article-summary a,
.blog-card-summary a {
  color: var(--accent-deep);
  text-decoration: underline;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.blog-text-block blockquote,
.blog-article-summary blockquote,
.blog-card-summary blockquote {
  border-left: 3px solid var(--accent-deep);
  padding-left: 16px;
  margin: 18px 0;
  color: var(--muted);
  font-style: italic;
}

.blog-text-block ul,
.blog-text-block ol,
.blog-article-summary ul,
.blog-article-summary ol,
.blog-card-summary ul,
.blog-card-summary ol {
  padding-left: 24px;
  margin: 14px 0;
}

.blog-text-block ul,
.blog-article-summary ul,
.blog-card-summary ul {
  list-style: disc;
}

.blog-text-block ol,
.blog-article-summary ol,
.blog-card-summary ol {
  list-style: decimal;
}

.blog-text-block code,
.blog-article-summary code,
.blog-card-summary code {
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.95em;
}

.blog-text-block pre code,
.blog-article-summary pre code,
.blog-card-summary pre code {
  display: block;
  padding: 14px;
  overflow-x: auto;
}

.blog-text-block .toclink,
.blog-text-block .headerlink,
.blog-article-summary .toclink,
.blog-article-summary .headerlink,
.blog-card-summary .toclink,
.blog-card-summary .headerlink {
  display: none;
}

.blog-article-body mjx-container,
.blog-article-summary mjx-container {
  overflow-x: auto;
  overflow-y: hidden;
}

.blog-article-body mjx-container[display="true"],
.blog-article-summary mjx-container[display="true"],
.blog-article-body .MathJax_Display,
.blog-article-summary .MathJax_Display {
  margin: 1.2rem 0;
}

.blog-image-block {
  background: #ffffff;
  border-radius: 22px;
  padding: 14px;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.2);
  max-width: 72%;
  align-self: center;
}

.blog-image-block img {
  width: 100%;
  border-radius: 16px;
  display: block;
  max-height: 32vh;
  object-fit: contain;
  background: #fff;
}

.blog-image-button {
  border: none;
  padding: 0;
  background: transparent;
  cursor: zoom-in;
  width: 100%;
}

.blog-image-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 220;
}

.blog-image-modal.is-open {
  display: flex;
}

.blog-image-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
}

.blog-image-modal-card {
  position: relative;
  z-index: 1;
  max-width: min(900px, 90vw);
  max-height: 86vh;
  background: #fff;
  border-radius: 20px;
  padding: 18px;
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.28);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.blog-image-modal-img {
  max-width: 100%;
  max-height: 68vh;
  object-fit: contain;
  border-radius: 14px;
}

.blog-image-modal-caption {
  color: var(--muted);
  text-align: center;
  font-size: 0.95rem;
}

.blog-image-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 23, 42, 0.85);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.is-modal-open {
  overflow: hidden;
}

@media print {
  body.lp-body {
    background: #fff;
  }

  .blog-nav,
  .blog-share-bar,
  .blog-back-to-top,
  .blog-image-modal {
    display: none !important;
  }

  .blog-nav + main {
    padding-top: 0;
  }

  .blog-article {
    padding: 0;
  }

  .blog-article-header-card,
  .blog-article-body-card {
    max-width: 100%;
    box-shadow: none;
    background: #fff;
    padding: 0;
  }

  .blog-image-block {
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0;
    max-width: 100%;
  }

  .blog-image-block img {
    max-height: none;
  }

  a,
  a:visited {
    color: #000;
    text-decoration: underline;
  }
}

.blog-image-block figcaption {
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

.blog-footer {
  padding: 28px 8vw 40px;
}

.blog-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(15, 23, 42, 0.12);
  padding-top: 18px;
  font-size: 0.9rem;
  color: var(--muted);
}

.blog-footer-inner a {
  color: var(--accent-deep);
  font-weight: 600;
}

.blog-back-to-top {
  position: fixed;
  right: calc(24px + 11px);
  bottom: 300px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 23, 42, 0.9);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.2);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
  z-index: 160;
}

.blog-back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.blog-back-to-top:hover {
  background: var(--accent-deep);
}

.blog-share-bar {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 66px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 20px;
  padding: 12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  z-index: 150;
}

.blog-share-link {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: none;
  background: #0f172a;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.blog-share-link svg {
  width: 18px;
  height: 18px;
  display: block;
}

.blog-share-link:hover {
  transform: translateY(-2px);
  background: var(--accent-deep);
}

.blog-share-link.is-copied {
  background: #15803d;
}

@media (max-width: 700px) {
  .blog-nav {
    flex-direction: column;
    gap: 12px;
    padding: 18px 6vw 12px;
  }

  .blog-nav-links {
    justify-content: center;
    gap: 12px;
  }

  .blog-card {
    padding: 20px;
  }

  .blog-hero {
    padding: 28px 6vw 8px;
  }

  .blog-hero h1 {
    font-size: clamp(2rem, 7vw, 2.6rem);
  }

  .blog-article {
    padding: 30px 6vw 70px;
  }

  .blog-article-body-card {
    padding: 24px;
    max-width: 94vw;
  }

  .blog-article-header-card {
    padding: 24px;
    max-width: 94vw;
  }

  .blog-logo-badge {
    padding: 4px 10px;
  }

  .blog-image-block {
    max-width: 100%;
    padding: 14px;
  }

  .blog-image-block img {
    max-height: 26vh;
  }

  .blog-author-photo {
    width: 64px;
    height: 64px;
  }

  .blog-share-bar {
    right: 50%;
    transform: translateX(50%);
    flex-direction: row;
    bottom: 12px;
    padding: 10px 12px;
    gap: 8px;
  }

  .blog-footer-inner {
    flex-direction: column;
    gap: 6px;
  }

  .blog-back-to-top {
    right: 18px;
    bottom: 250px;
  }

  .blog-share-bar {
    width: auto;
  }
}