.blog-page {
  min-height: 100vh;
  background: var(--bg-deep);
}

.blog-page .header-nav {
  background: rgba(3, 8, 20, 0.96);
}

.blog-page .nav-links a[aria-current="page"] {
  color: var(--orange);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 2000;
  padding: 12px 16px;
  color: #ffffff;
  background: var(--orange);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.blog-hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: 92px 6% 84px;
  background: var(--bg-deep);
}

.blog-hero::before,
.blog-hero::after {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
}

.blog-hero::before {
  background-image: url("./assets/refinery-background.jpg");
  background-position: center;
  background-size: cover;
  filter: saturate(0.75);
  opacity: 0.34;
}

.blog-hero::after {
  z-index: -1;
  background:
    radial-gradient(circle at 77% 25%, rgba(44, 183, 214, 0.2), transparent 30%),
    linear-gradient(90deg, rgba(3, 8, 20, 0.99) 0%, rgba(3, 8, 20, 0.87) 48%, rgba(3, 8, 20, 0.72) 100%),
    linear-gradient(0deg, var(--bg-deep), transparent 44%);
}

.blog-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  align-items: center;
  gap: 64px;
  width: min(100%, 1500px);
  margin: 0 auto;
}

.blog-hero-copy {
  max-width: 690px;
}

.blog-hero-copy h1 {
  margin: 0;
  font-size: clamp(52px, 6.5vw, 94px);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.045em;
}

.blog-hero-copy > p:not(.section-tag) {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--text-soft);
  font-size: 18px;
  line-height: 1.72;
}

.featured-story {
  display: grid;
  grid-template-columns: minmax(220px, 0.76fr) minmax(270px, 1fr);
  min-height: 520px;
  overflow: hidden;
  background: rgba(13, 29, 49, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.featured-story-media {
  min-height: 100%;
  overflow: hidden;
  background: #091426;
}

.featured-story-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.featured-story-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 42px;
}

.story-kicker,
.article-topic,
.blog-card-topic,
.linkedin-note-label {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.featured-story h2 {
  margin: 18px 0 0;
  font-size: clamp(30px, 3vw, 47px);
  line-height: 1.03;
}

.featured-story p {
  margin: 20px 0 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.68;
}

.story-meta,
.article-meta,
.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.35px;
}

.story-meta {
  margin-top: 24px;
}

.featured-story .btn-primary {
  margin-top: auto;
}

.topic-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 22px 6%;
  overflow-x: auto;
  background: #071326;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.topic-strip span {
  flex: 0 0 auto;
  padding: 8px 12px;
  color: var(--text-muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.blog-library,
.linkedin-notes,
.blog-profile-cta {
  position: relative;
  z-index: 2;
  padding: 104px 6%;
}

.blog-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 50px;
}

.blog-section-heading > div {
  max-width: 760px;
}

.blog-section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.06;
}

.blog-section-heading p:not(.section-tag) {
  margin: 18px 0 0;
  color: var(--text-muted);
  line-height: 1.7;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.blog-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(260px, 1fr);
  min-height: 390px;
  overflow: hidden;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color 0.2s, transform 0.2s;
}

.blog-card:hover {
  border-color: rgba(255, 87, 34, 0.48);
  transform: translateY(-5px);
}

.blog-card-media {
  display: block;
  min-height: 100%;
  overflow: hidden;
  background: #ffffff;
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 9%;
  transition: transform 0.35s ease;
}

.blog-card:hover .blog-card-media img {
  transform: scale(1.025);
}

.blog-card-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  padding: 34px;
}

.blog-card h3 {
  margin: 15px 0 0;
  font-size: clamp(24px, 2.2vw, 34px);
  line-height: 1.08;
}

.blog-card p {
  margin: 18px 0 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.68;
}

.blog-card-meta {
  margin-top: 20px;
}

.blog-card .text-link {
  margin-top: auto;
  padding-top: 26px;
}

.linkedin-notes {
  background:
    radial-gradient(circle at 84% 8%, rgba(44, 183, 214, 0.11), transparent 32%),
    #071326;
}

.linkedin-note-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.linkedin-note {
  display: flex;
  flex-direction: column;
  padding: 34px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.linkedin-note h3 {
  margin: 14px 0 0;
  font-size: 26px;
  line-height: 1.14;
}

.linkedin-note p {
  margin: 16px 0 0;
  color: var(--text-muted);
  line-height: 1.67;
}

.linkedin-embed-details {
  margin-top: 26px;
}

.linkedin-embed-details summary {
  width: fit-content;
  padding: 13px 16px;
  color: var(--text);
  border: 1px solid rgba(44, 183, 214, 0.46);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  list-style: none;
  text-transform: uppercase;
}

.linkedin-embed-details summary::-webkit-details-marker {
  display: none;
}

.linkedin-embed-details summary::after {
  margin-left: 10px;
  color: var(--cyan);
  content: "+";
}

.linkedin-embed-details[open] summary::after {
  content: "−";
}

.linkedin-embed-frame {
  width: min(100%, 504px);
  max-width: 100%;
  display: block;
  margin-top: 22px;
  background: #ffffff;
  border: 0;
  border-radius: 8px;
}

.blog-profile-cta {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) auto;
  align-items: center;
  gap: 36px;
  background: var(--bg-deep);
  border-top: 1px solid var(--line);
}

.blog-profile-cta img {
  width: 170px;
  height: 170px;
  object-fit: cover;
  object-position: left center;
  border-radius: 50%;
  box-shadow: var(--shadow);
}

.blog-profile-cta h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
}

.blog-profile-cta p {
  max-width: 720px;
  margin: 16px 0 0;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Article pages */
.article-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 104px 6% 80px;
  background: var(--bg-deep);
}

.article-hero::after {
  position: absolute;
  inset: auto -16% -70% 42%;
  z-index: -1;
  height: 680px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(44, 183, 214, 0.18), transparent 67%);
  content: "";
}

.article-heading {
  width: min(100%, 1120px);
  margin: 0 auto;
}

.article-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 44px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.article-breadcrumb a:hover {
  color: var(--cyan);
}

.article-heading h1 {
  max-width: 1080px;
  margin: 18px 0 0;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.article-deck {
  max-width: 800px;
  margin: 28px 0 0;
  color: var(--text-soft);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.6;
}

.article-meta {
  margin-top: 34px;
}

.article-reading-surface {
  color: #1c2a3d;
  background: #f4f7fb;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) 250px;
  gap: 68px;
  width: min(100% - 12%, 1080px);
  margin: 0 auto;
  padding: 84px 0 104px;
}

.article-body {
  min-width: 0;
}

.article-source-note {
  padding: 24px;
  margin-bottom: 44px;
  color: #17324b;
  background: #e8f5f8;
  border-left: 4px solid #1590ad;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  line-height: 1.65;
}

.article-source-note strong {
  color: #0b2237;
}

.article-source-note a {
  color: #006b85;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-lead {
  color: #0d1d31;
  font-size: 22px;
  font-weight: 550;
  line-height: 1.62;
}

.article-body h2 {
  margin: 58px 0 20px;
  color: #0b192d;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.12;
}

.article-body h3 {
  margin: 36px 0 14px;
  color: #0b192d;
  font-size: 23px;
  line-height: 1.2;
}

.article-body p,
.article-body li {
  color: #3f4f62;
  font-size: 18px;
  line-height: 1.82;
}

.article-body p {
  margin: 0 0 24px;
}

.article-body ul,
.article-body ol {
  display: grid;
  gap: 11px;
  margin: 22px 0 30px;
  padding-left: 26px;
}

.article-body li::marker {
  color: #e64e1f;
  font-weight: 800;
}

.article-body blockquote {
  margin: 44px 0;
  padding: 32px 0 32px 34px;
  color: #0b192d;
  border-left: 4px solid var(--orange);
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 750;
  line-height: 1.25;
}

.article-body blockquote cite {
  display: block;
  margin-top: 16px;
  color: #647285;
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
}

.article-callout {
  padding: 30px;
  margin: 42px 0;
  color: #ffffff;
  background: #0d1d31;
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(6, 17, 31, 0.16);
}

.article-callout h3 {
  margin-top: 0;
  color: #ffffff;
}

.article-callout p,
.article-callout li {
  color: #d7e0ef;
}

.strategy-grid,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 32px 0 42px;
}

.strategy-card,
.metric-card {
  padding: 24px;
  background: #ffffff;
  border: 1px solid #d9e1ea;
  border-radius: 8px;
}

.strategy-card h3,
.metric-card h3 {
  margin: 0;
  font-size: 19px;
}

.strategy-card p,
.metric-card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.65;
}

.article-figure {
  margin: 42px 0;
}

.article-figure img {
  width: 100%;
  border: 1px solid #d9e1ea;
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(6, 17, 31, 0.12);
}

.article-figure figcaption {
  margin-top: 12px;
  color: #6a7889;
  font-size: 13px;
  line-height: 1.55;
}

.carousel-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 38px 0 48px;
}

.carousel-gallery figure {
  margin: 0;
}

.carousel-gallery figure:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  width: calc(50% - 9px);
  justify-self: center;
}

.carousel-gallery img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(6, 17, 31, 0.18);
}

.article-sidebar {
  min-width: 0;
}

.article-sidebar-inner {
  position: sticky;
  top: 118px;
  display: grid;
  gap: 18px;
}

.author-card,
.source-card {
  padding: 22px;
  background: #ffffff;
  border: 1px solid #d9e1ea;
  border-radius: 8px;
}

.author-card img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  object-position: left center;
  border-radius: 50%;
}

.author-card strong,
.source-card strong {
  display: block;
  margin-top: 16px;
  color: #0b192d;
  font-size: 16px;
}

.author-card p,
.source-card p {
  margin: 9px 0 0;
  color: #657386;
  font-size: 13px;
  line-height: 1.55;
}

.author-card a,
.source-card a {
  display: inline-flex;
  margin-top: 16px;
  color: #006b85;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.article-series {
  margin-top: 54px;
  padding-top: 44px;
  border-top: 1px solid #d9e1ea;
}

.article-series h2 {
  margin-top: 0;
}

.article-series .linkedin-embed-details summary {
  color: #0b192d;
  background: #ffffff;
}

.article-end-cta {
  margin-top: 64px;
  padding: 38px;
  color: #ffffff;
  background: linear-gradient(135deg, #0d1d31, #102c48);
  border-radius: 8px;
}

.article-end-cta h2 {
  margin: 0;
  color: #ffffff;
}

.article-end-cta p {
  color: #d7e0ef;
}

.article-end-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

@media (max-width: 1180px) {
  .blog-hero-inner {
    grid-template-columns: 1fr;
  }

  .blog-hero-copy {
    max-width: 820px;
  }

  .featured-story {
    max-width: 930px;
  }

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

  .blog-card-media {
    height: 330px;
  }
}

@media (max-width: 900px) {
  .blog-hero {
    min-height: auto;
    padding: 78px 5% 72px;
  }

  .featured-story {
    grid-template-columns: 1fr;
  }

  .featured-story-media {
    height: 520px;
  }

  .featured-story-copy {
    min-height: 430px;
  }

  .blog-grid,
  .linkedin-note-grid {
    grid-template-columns: 1fr;
  }

  .blog-card {
    grid-template-columns: minmax(220px, 0.75fr) minmax(300px, 1fr);
  }

  .blog-card-media {
    height: auto;
  }

  .blog-profile-cta {
    grid-template-columns: 140px minmax(0, 1fr);
  }

  .blog-profile-cta .btn-primary {
    grid-column: 1 / -1;
    width: fit-content;
  }

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

  .article-sidebar-inner {
    position: static;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .blog-hero-copy h1 {
    font-size: 50px;
  }

  .featured-story-media {
    height: 430px;
  }

  .featured-story-copy {
    min-height: 0;
    padding: 30px;
  }

  .featured-story .btn-primary {
    width: 100%;
    margin-top: 30px;
  }

  .topic-strip {
    justify-content: flex-start;
  }

  .blog-library,
  .linkedin-notes,
  .blog-profile-cta {
    padding: 76px 5%;
  }

  .blog-section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .blog-card-media {
    height: 340px;
  }

  .blog-card-copy,
  .linkedin-note {
    padding: 28px;
  }

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

  .blog-profile-cta img {
    width: 124px;
    height: 124px;
  }

  .blog-profile-cta .btn-primary {
    grid-column: auto;
    width: 100%;
  }

  .article-hero {
    padding: 72px 5% 62px;
  }

  .article-heading h1 {
    font-size: 47px;
  }

  .article-layout {
    width: min(100% - 10%, 1080px);
    gap: 48px;
    padding: 58px 0 76px;
  }

  .article-sidebar-inner,
  .strategy-grid,
  .metric-grid,
  .carousel-gallery {
    grid-template-columns: 1fr;
  }

  .carousel-gallery figure:last-child:nth-child(odd) {
    grid-column: auto;
    width: 100%;
  }

  .article-body p,
  .article-body li {
    font-size: 17px;
  }

  .article-lead {
    font-size: 20px;
  }

  .article-source-note,
  .article-callout,
  .article-end-cta {
    padding: 24px;
  }

  .article-end-actions {
    flex-direction: column;
  }

  .article-end-actions .btn-primary,
  .article-end-actions .btn-secondary {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-card,
  .blog-card-media img,
  .insight-card,
  .insight-card-media img {
    transition: none;
  }
}