/* Octavia editorial system
   Listing pages, article pages, pagination, and long-form typography. */

:root {
  --blog-bg: #050505;
  --blog-surface: #0a0a0b;
  --blog-surface-raised: #111113;
  --blog-line: rgba(255, 255, 255, 0.14);
  --blog-line-strong: rgba(255, 255, 255, 0.23);
  --blog-text: #f5f5f6;
  --blog-muted: #a0a0a7;
  --blog-faint: #6f6f76;
  --blog-violet: #a78bfa;
  --blog-violet-strong: #8b5cf6;
  --blog-container: 1440px;
}

.blog-shell {
  position: relative;
  isolation: isolate;
  overflow: clip;
  padding: clamp(10rem, 13vw, 12.5rem) 0 9rem;
  background:
    radial-gradient(72% 38% at 50% 0%, rgba(124, 58, 237, 0.17), transparent 70%),
    var(--blog-bg);
}

.blog-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 54%);
  mask-image: linear-gradient(to bottom, #000, transparent 54%);
}

.blog-container {
  width: min(calc(100% - 4rem), var(--blog-container));
  max-width: none;
  margin-inline: auto;
}

.blog-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.45fr);
  align-items: end;
  gap: 2rem 4rem;
  max-width: none;
  margin: 0 0 4rem;
  text-align: left;
}

.blog-hero > * { min-width: 0; }

.blog-kicker,
.blog-category,
.blog-filter,
.article-category {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 29px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: #ededee;
  font-size: 0.7rem;
  font-weight: 550;
  letter-spacing: 0.015em;
  line-height: 1;
  padding: 0.48rem 0.78rem;
  backdrop-filter: blur(14px);
}

.blog-kicker {
  grid-column: 1 / -1;
  margin-bottom: 0.1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.blog-heading {
  max-width: 1040px;
  margin: 0;
  color: var(--blog-text);
  font-size: clamp(4.75rem, 8.2vw, 8.4rem);
  font-weight: 500;
  letter-spacing: -0.08em;
  line-height: 0.82;
  text-wrap: balance;
}

.blog-heading em {
  display: inline-block;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.06em;
}

.blog-intro {
  max-width: 440px;
  margin: 0 0 0.4rem auto;
  color: #b4b4bb;
  font-size: clamp(1rem, 1.25vw, 1.18rem);
  line-height: 1.6;
  text-wrap: pretty;
}

.blog-index-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 0 0 1rem;
}

.blog-index-count {
  color: var(--blog-muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.blog-filters {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.blog-filters::-webkit-scrollbar { display: none; }

.blog-filter {
  flex: none;
  color: #a5a5ab;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.blog-filter:hover,
.blog-filter[aria-current="page"] {
  border-color: rgba(167, 139, 250, 0.5);
  background: rgba(139, 92, 246, 0.14);
  color: #fff;
}

.blog-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(430px, 0.68fr);
  min-width: 0;
  min-height: 540px;
  overflow: hidden;
  border: 1px solid var(--blog-line-strong);
  border-radius: 28px;
  background: var(--blog-surface);
  box-shadow: 0 34px 120px rgba(0, 0, 0, 0.48);
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1), border-color 260ms ease, box-shadow 400ms ease;
}

.blog-featured:hover {
  transform: translateY(-5px);
  border-color: rgba(167, 139, 250, 0.48);
  box-shadow: 0 42px 130px rgba(0, 0, 0, 0.58), 0 0 80px rgba(124, 58, 237, 0.08);
}

.blog-featured-media,
.blog-card-media {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background: #08080a;
}

.blog-featured-media::after,
.blog-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.blog-featured-media::after {
  background:
    linear-gradient(90deg, transparent 58%, rgba(10, 10, 11, 0.96) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, 0.3), transparent 46%);
}

.blog-featured-media img,
.blog-card-media img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.08) brightness(0.76);
  transition: transform 850ms cubic-bezier(0.16, 1, 0.3, 1), filter 420ms ease;
}

.blog-featured:hover .blog-featured-media img,
.blog-card:hover .blog-card-media img {
  transform: scale(1.045);
  filter: saturate(0.98) contrast(1.06) brightness(0.86);
}

.blog-featured-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: clamp(2.75rem, 4.2vw, 4.5rem);
}

.blog-featured-meta,
.blog-card-date,
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  color: #85858c;
  font-size: 0.74rem;
}

.blog-featured-meta { margin-bottom: 1.75rem; }

.blog-featured-title {
  max-width: 560px;
  margin: 0;
  color: var(--blog-text);
  font-size: clamp(2.6rem, 3.7vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 0.98;
  text-wrap: balance;
}

.blog-featured-description {
  max-width: 540px;
  margin: 1.45rem 0 2.25rem;
  color: #aaaab1;
  font-size: 0.98rem;
  line-height: 1.6;
}

.blog-read-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  width: fit-content;
  color: var(--blog-text);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
}

.blog-read-link span {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--blog-line);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.055);
  transition: transform 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.blog-read-link:hover span {
  transform: translateX(4px);
  border-color: rgba(167, 139, 250, 0.55);
  background: rgba(139, 92, 246, 0.18);
}

.blog-read-link:focus-visible,
.blog-filter:focus-visible,
.pagination-link:focus-visible,
.article-share-btn:focus-visible,
.article-follow-link:focus-visible {
  outline: 2px solid var(--blog-violet);
  outline-offset: 4px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.blog-card {
  position: relative;
  min-width: 0;
  min-height: 430px;
  overflow: hidden;
  border: 1px solid var(--blog-line);
  border-radius: 22px;
  background: var(--blog-surface);
  isolation: isolate;
  transition: transform 360ms cubic-bezier(0.16, 1, 0.3, 1), border-color 240ms ease, box-shadow 360ms ease;
}

.blog-card:hover {
  z-index: 1;
  transform: translateY(-6px);
  border-color: rgba(167, 139, 250, 0.46);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.5);
}

.blog-card-link {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
}

.blog-card-link:focus-visible {
  outline: 2px solid var(--blog-violet);
  outline-offset: -5px;
}

.blog-card-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.blog-card-media::after {
  background:
    linear-gradient(to top, rgba(3, 3, 4, 0.99) 4%, rgba(3, 3, 4, 0.8) 42%, rgba(3, 3, 4, 0.08) 78%),
    linear-gradient(125deg, rgba(3, 3, 4, 0.25), transparent 58%);
}

.blog-card-body {
  display: flex;
  flex-direction: column;
  min-height: 430px;
  padding: 1.25rem;
}

.blog-card .blog-category {
  align-self: flex-end;
  background: rgba(4, 4, 5, 0.62);
}

.blog-card-copy {
  margin-top: auto;
  padding: 7rem 0.25rem 0.25rem;
}

.blog-card-title {
  max-width: 390px;
  margin: 0;
  color: var(--blog-text);
  font-size: clamp(1.45rem, 1.8vw, 1.8rem);
  font-weight: 520;
  letter-spacing: -0.045em;
  line-height: 1.02;
  text-wrap: balance;
}

.blog-card-description {
  display: -webkit-box;
  max-width: 390px;
  margin: 0.75rem 0 1rem;
  overflow: hidden;
  color: #a4a4aa;
  font-size: 0.8rem;
  line-height: 1.48;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.blog-card-date::before,
.article-meta-dot::before {
  content: "";
  width: 4px;
  height: 4px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #eeeef0;
  box-shadow: 0 0 12px rgba(196, 181, 253, 0.7);
}

.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 3.5rem 0 0;
}

.pagination-link {
  display: inline-grid;
  place-items: center;
  min-width: 42px;
  height: 42px;
  border: 1px solid var(--blog-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.035);
  color: #a6a6ac;
  font-size: 0.78rem;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.pagination-link:hover {
  transform: translateY(-2px);
  border-color: rgba(167, 139, 250, 0.5);
  color: #fff;
}

.pagination-link[aria-current="page"] {
  border-color: rgba(167, 139, 250, 0.6);
  background: rgba(139, 92, 246, 0.18);
  color: #fff;
}

.pagination-link[aria-disabled="true"] {
  pointer-events: none;
  opacity: 0.34;
}

.pagination-link-wide {
  display: inline-flex;
  gap: 0.45rem;
  width: auto;
  padding-inline: 0.9rem;
}

/* Article pages */
.article-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 70;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blog-violet-strong), #c4b5fd);
  box-shadow: 0 0 14px rgba(167, 139, 250, 0.65);
}

.article-shell {
  position: relative;
  padding: clamp(11rem, 14vw, 13rem) 0 9rem;
  overflow: clip;
  background:
    radial-gradient(62% 28% at 50% 0%, rgba(124, 58, 237, 0.17), transparent 75%),
    var(--blog-bg);
}

.article-container {
  width: min(calc(100% - 4rem), 1280px);
  margin-inline: auto;
}

.article-header {
  max-width: 1120px;
  margin: 0 auto 4rem;
  text-align: center;
}

.article-category { margin-bottom: 1.5rem; }

.article-title {
  margin: 0;
  color: var(--blog-text);
  font-size: clamp(3.15rem, 5.35vw, 5.9rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.94;
  text-wrap: balance;
}

.article-deck {
  max-width: 760px;
  margin: 1.75rem auto 0;
  color: #aaaab1;
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  line-height: 1.62;
  text-wrap: pretty;
}

.article-meta {
  justify-content: center;
  margin-top: 1.5rem;
  color: #8a8a91;
}

.article-hero-image {
  position: relative;
  aspect-ratio: 16 / 8;
  margin: 0 0 5rem;
  overflow: hidden;
  border: 1px solid var(--blog-line-strong);
  border-radius: 30px;
  background: #09090b;
  box-shadow: 0 38px 120px rgba(0, 0, 0, 0.52);
}

.article-hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.32), transparent 42%);
  pointer-events: none;
}

.article-hero-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.08) brightness(0.82);
}

.article-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 760px) 170px;
  justify-content: center;
  align-items: start;
  gap: 3rem;
}

.article-toc {
  position: sticky;
  top: calc(var(--nav-h, 100px) + 2rem);
}

.article-toc-label,
.article-share-label {
  margin: 0 0 0.9rem;
  color: #6f6f76;
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-toc-list {
  display: grid;
  gap: 0.62rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-toc a {
  display: block;
  color: #85858c;
  font-size: 0.75rem;
  line-height: 1.35;
  text-decoration: none;
  transition: color 160ms ease;
}

.article-toc a:hover,
.article-toc a.is-active { color: #d8d8dc; }

.article-toc .toc-h3 { padding-left: 0.75rem; }

.article-body {
  min-width: 0;
  color: #c4c4ca;
  font-size: 1.03rem;
  line-height: 1.78;
}

.article-body > :first-child { margin-top: 0; }

.article-body p { margin: 0 0 1.45rem; }

.article-body h2,
.article-body h3,
.article-body h4 {
  scroll-margin-top: calc(var(--nav-h, 100px) + 2rem);
  color: var(--blog-text);
  text-wrap: balance;
}

.article-body h2 {
  margin: 4rem 0 1.3rem;
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 520;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.article-body h3 {
  margin: 2.5rem 0 1rem;
  font-size: 1.45rem;
  font-weight: 550;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.article-body ul,
.article-body ol {
  display: grid;
  gap: 0.65rem;
  margin: 0 0 1.6rem;
  padding-left: 1.4rem;
}

.article-body li::marker { color: var(--blog-violet); }

.article-body strong { color: #eeeef0; font-weight: 600; }

.article-body em { color: #dedee2; }

.article-body a {
  color: #c4b5fd;
  text-decoration-color: rgba(196, 181, 253, 0.42);
  text-underline-offset: 0.2em;
}

.article-body a:hover { color: #ddd6fe; }

.article-body blockquote {
  margin: 2.5rem 0;
  padding: 1.5rem 1.75rem;
  border: 1px solid rgba(167, 139, 250, 0.22);
  border-left: 3px solid var(--blog-violet-strong);
  border-radius: 0 16px 16px 0;
  background: rgba(139, 92, 246, 0.06);
  color: #dedee2;
  font-size: 1.08rem;
}

.article-body hr {
  height: 1px;
  margin: 3rem 0;
  border: 0;
  background: var(--blog-line);
}

.article-share-rail {
  position: sticky;
  top: calc(var(--nav-h, 100px) + 2rem);
  display: grid;
  gap: 2.25rem;
}

.article-share-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.article-share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--blog-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: #b7b7bd;
  cursor: pointer;
  font: inherit;
  padding: 0;
}

.article-share-btn:hover {
  border-color: rgba(167, 139, 250, 0.45);
  color: #fff;
  background: rgba(139, 92, 246, 0.1);
}

.article-share-btn.is-copied {
  border-color: rgba(52, 211, 153, 0.5);
  color: #34d399;
  background: rgba(52, 211, 153, 0.1);
}

.article-follow-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-follow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #85858c;
  font-size: 0.75rem;
  text-decoration: none;
  transition: color 160ms ease;
}

.article-follow-link iconify-icon { flex-shrink: 0; color: #6f6f76; transition: color 160ms ease; }

.article-follow-link:hover,
.article-follow-link:hover iconify-icon { color: #d8d8dc; }

.article-end {
  max-width: 760px;
  margin: 4.5rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--blog-line);
}

.article-author {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.article-author-copy strong {
  display: block;
  color: #eeeef0;
  font-size: 0.9rem;
}

.article-author-copy span {
  color: #7e7e85;
  font-size: 0.76rem;
}

.related-articles {
  width: min(calc(100% - 4rem), var(--blog-container));
  margin: 7rem auto 0;
}

.related-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.related-heading h2 {
  margin: 0;
  color: var(--blog-text);
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.055em;
}

@media (max-width: 1180px) {
  .blog-featured {
    grid-template-columns: minmax(0, 1.05fr) minmax(400px, 0.95fr);
  }

  .article-layout {
    grid-template-columns: 190px minmax(0, 760px);
  }

  .article-share-rail { display: none; }
}

@media (max-width: 960px) {
  .blog-container,
  .article-container,
  .related-articles { width: min(calc(100% - 3rem), var(--blog-container)); }

  .blog-hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .blog-heading { font-size: clamp(4.3rem, 12vw, 7rem); }
  .blog-intro { max-width: 620px; margin-left: 0; }

  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured-media { min-height: 440px; }
  .blog-featured-media::after { background: linear-gradient(0deg, #0a0a0b 0%, transparent 35%); }
  .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .article-layout { grid-template-columns: minmax(0, 760px); }
  .article-toc { display: none; }
  .article-hero-image { aspect-ratio: 16 / 10; }
}

@media (max-width: 640px) {
  html,
  body {
    width: 100%;
    max-width: 100vw;
    overflow-x: clip;
  }

  body > nav.fixed {
    width: 100vw;
    max-width: 100vw;
  }

  .blog-shell {
    width: 100vw;
    max-width: 100vw;
    padding: calc(var(--nav-h, 111px) + 2.75rem) 0 5.5rem;
  }

  .blog-container,
  .article-container,
  .related-articles {
    width: calc(100vw - 1.5rem);
    max-width: calc(100vw - 1.5rem);
  }

  .blog-hero { margin-bottom: 2.5rem; }
  .blog-heading {
    font-size: clamp(3.25rem, 15vw, 4.65rem);
    overflow-wrap: anywhere;
  }
  .blog-heading em {
    display: block;
    max-width: 100%;
    font-size: 0.88em;
    line-height: 0.92;
    white-space: normal;
  }
  .blog-intro { font-size: 0.95rem; }
  .blog-intro {
    width: 100%;
    max-width: calc(100vw - 1.5rem);
    overflow-wrap: break-word;
    text-wrap: wrap;
  }

  body .nav-cta-signup { display: none; }

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

  .blog-filters {
    justify-content: flex-start;
    width: 100%;
  }

  .blog-featured {
    min-height: 0;
    border-radius: 20px;
  }
  .blog-featured-media { min-height: 255px; }
  .blog-featured-copy { padding: 1.75rem; }
  .blog-featured-title { font-size: 2.2rem; overflow-wrap: anywhere; }
  .blog-featured-description { margin-bottom: 1.6rem; }

  .blog-grid { grid-template-columns: 1fr; }
  .blog-card,
  .blog-card-body { min-height: 370px; }

  .blog-pagination { flex-wrap: wrap; }
  .pagination-link { min-width: 39px; height: 39px; }

  .article-shell { padding: calc(var(--nav-h, 111px) + 3rem) 0 5rem; }
  .article-header { margin-bottom: 2.5rem; }
  .article-title {
    font-size: clamp(2.7rem, 12.5vw, 3.8rem);
    line-height: 0.96;
    overflow-wrap: anywhere;
  }
  .article-deck { font-size: 1rem; }
  .article-meta { gap: 0.5rem; }
  .article-hero-image {
    aspect-ratio: 4 / 3;
    margin-bottom: 3rem;
    border-radius: 20px;
  }
  .article-body { font-size: 1rem; line-height: 1.72; }
  .article-body h2 { margin-top: 3.2rem; font-size: 2rem; }
  .article-body h3 { font-size: 1.3rem; }
  .article-author { align-items: flex-start; flex-direction: column; }
  .related-articles { margin-top: 5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .blog-featured,
  .blog-card,
  .blog-featured-media img,
  .blog-card-media img,
  .blog-read-link span,
  .pagination-link { transition: none; }

  .blog-featured:hover,
  .blog-card:hover,
  .blog-featured:hover .blog-featured-media img,
  .blog-card:hover .blog-card-media img,
  .pagination-link:hover { transform: none; }
}