.blog-index-hero h1 { max-width: 760px; }
.blog-index-section { padding-top: clamp(56px, 7vw, 88px); }
.blog-category-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: -10px 0 26px; }
.blog-category-nav a { min-height: 40px; display: inline-flex; align-items: center; gap: 10px; padding: 8px 11px; background: var(--surface); border: 1px solid var(--line); border-radius: 7px; color: var(--ink-2); font-size: .82rem; font-weight: 700; }
.blog-category-nav a:hover { border-color: var(--tech); color: var(--ink); }
.blog-category-nav strong { min-width: 24px; padding: 2px 6px; background: var(--surface-3); border-radius: 999px; color: var(--tech); font-size: .72rem; text-align: center; }
.blog-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; gap: 18px; }
.blog-card { min-width: 0; overflow: hidden; display: flex; flex-direction: column; scroll-margin-top: calc(var(--active-header-height) + 20px); background: var(--surface); border: 1px solid var(--line); border-inline-start: 3px solid color-mix(in srgb, var(--tech) 48%, var(--line)); border-radius: 8px; box-shadow: none; }
.blog-card-media { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--surface-3); }
.blog-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 200ms ease; }
.blog-card:hover .blog-card-media img { transform: scale(1.025); }
.blog-card-body { display: flex; flex: 1; flex-direction: column; padding: 21px; }
.blog-card-meta { display: flex; min-height: 22px; flex-wrap: wrap; align-items: center; gap: 7px 14px; color: var(--muted); font-size: .78rem; }
.blog-card-meta span { color: var(--tech); font-weight: 700; }
.blog-card h3 { margin-top: 13px; overflow-wrap: anywhere; font-size: 1.28rem; font-weight: 700; line-height: 1.18; }
.blog-card h3 a:hover { color: var(--tech); }
.blog-card-body > p { display: -webkit-box; margin: 13px 0 19px; overflow: hidden; color: var(--muted); font-size: .92rem; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.blog-card-body > .text-link { margin-top: auto; }
.blog-empty { padding: 28px; background: var(--surface); border: 1px solid var(--line); color: var(--muted); }

.blog-article-hero .product-hero-grid { grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); }
.blog-article-hero h1 { max-width: 880px; font-size: clamp(2.5rem, 4.8vw, 4.65rem); }
.blog-article-hero nav, .blog-index-hero nav { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 28px; color: var(--contrast-muted); font-size: .78rem; }
.blog-article-hero nav [aria-current="page"] { max-width: 38ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.blog-byline { display: flex; flex-wrap: wrap; gap: 9px 24px; margin-top: 28px; color: var(--contrast-muted); font-size: .87rem; }
.blog-byline strong { color: var(--contrast-text); }
.blog-cover { overflow: hidden; margin: 0; aspect-ratio: 16 / 10; background: var(--contrast-surface); border: 1px solid var(--contrast-border); box-shadow: 16px 16px 0 color-mix(in srgb, var(--contrast-accent) 28%, transparent); }
.blog-cover img { display: block; width: 100%; height: 100%; object-fit: cover; }

.blog-article-section { padding-top: clamp(52px, 6vw, 80px); }
.blog-article-layout { display: grid; grid-template-columns: minmax(0, 820px) minmax(220px, 290px); justify-content: center; align-items: start; gap: clamp(36px, 6vw, 82px); }
.blog-article-copy { min-width: 0; color: var(--ink-2); font-size: 1.06rem; line-height: 1.76; }
.blog-imported-content > :first-child { margin-top: 0; }
.blog-imported-content > :last-child { margin-bottom: 0; }
.blog-article-copy p, .blog-article-copy ul, .blog-article-copy ol, .blog-article-copy blockquote, .blog-article-copy pre, .blog-article-copy table { margin: 0 0 1.4em; }
.blog-article-copy h2, .blog-article-copy h3, .blog-article-copy h4, .blog-article-copy h5, .blog-article-copy h6 { margin: 1.7em 0 .65em; color: var(--ink); line-height: 1.18; }
.blog-article-copy h2, .blog-article-copy h3 { scroll-margin-top: calc(var(--active-header-height) + 22px); }
.blog-article-copy h2 { font-size: clamp(1.72rem, 3vw, 2.35rem); }
.blog-article-copy h3 { font-size: clamp(1.35rem, 2.2vw, 1.72rem); }
.blog-article-copy h4 { font-size: 1.25rem; }
.blog-article-copy [data-source-heading-level="3"] { font-size: clamp(1.35rem, 2.2vw, 1.72rem); font-weight: 600; }
.blog-article-copy [data-source-heading-level="4"] { font-size: 1.25rem; font-weight: 700; letter-spacing: normal; }
.blog-article-copy [data-source-heading-level="5"] { font-size: .83em; font-weight: 700; letter-spacing: normal; }
.blog-article-copy [data-source-heading-level="6"] { font-size: .67em; font-weight: 700; letter-spacing: normal; }
.blog-article-copy ul, .blog-article-copy ol { padding-inline-start: 1.4em; }
.blog-article-copy li + li { margin-top: .48em; }
.blog-article-copy a { color: var(--tech); font-weight: 700; text-decoration: underline; text-decoration-thickness: .08em; text-underline-offset: .18em; }
.blog-article-copy blockquote { padding: 20px 24px; background: color-mix(in srgb, var(--tech) 6%, var(--surface-2)); border: 1px solid color-mix(in srgb, var(--tech) 22%, var(--line)); border-inline-start: 4px solid var(--tech); color: var(--ink); }
.blog-article-copy pre { overflow: auto; padding: 18px; background: var(--contrast-bg); color: var(--contrast-text); border-radius: 8px; font: .9rem/1.6 var(--font-primary); }
.blog-article-copy code { font-family: var(--font-primary); }
.blog-article-copy :not(pre) > code { padding: .12em .35em; background: var(--surface-3); border-radius: 4px; }
.blog-article-copy table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; }
.blog-article-copy th, .blog-article-copy td { min-width: 120px; padding: 11px 13px; border: 1px solid var(--line); text-align: start; }
.blog-article-copy th { background: var(--surface-2); color: var(--ink); font-weight: 700; }
.blog-article-copy hr { margin: 2.2em 0; border: 0; border-top: 1px solid var(--line); }
.blog-article-aside { position: sticky; top: 96px; padding: 24px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-small); }
.blog-article-aside p { margin-top: 20px; color: var(--muted); }
.blog-article-aside p strong { color: var(--ink); }
.blog-article-aside .text-link { margin-top: 24px; }
.blog-related .guide-grid article { display: flex; flex-direction: column; background: var(--contrast-surface); border-color: var(--contrast-border); }
.blog-related .guide-grid h3 { margin-top: 0; }
.blog-related .guide-grid article .text-link { margin-top: auto; padding-top: 18px; }

.ip-lookup-tool { position: relative; isolation: isolate; overflow: hidden; margin: 2.15em 0 2.8em; padding: clamp(22px, 4vw, 34px); background: var(--contrast-bg); color: var(--contrast-text); border: 1px solid var(--contrast-border); border-radius: 12px; box-shadow: var(--shadow); }
.ip-lookup-tool::before { content: ""; position: absolute; z-index: -1; inset: 0; background-image: linear-gradient(color-mix(in srgb, var(--contrast-accent) 13%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--contrast-accent) 13%, transparent) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, var(--contrast-text), transparent 72%); pointer-events: none; }
.ip-tool-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.ip-tool-heading .eyebrow { color: var(--contrast-accent); }
.ip-tool-heading h2 { max-width: 580px; margin: 8px 0 0; color: var(--contrast-text); font-size: clamp(1.65rem, 3.5vw, 2.45rem); }
.ip-tool-state { flex: 0 0 auto; padding: 6px 9px; border: 1px solid var(--contrast-border); border-radius: 5px; color: var(--contrast-muted); font: 700 9px/1.2 var(--font-primary); letter-spacing: .07em; text-transform: uppercase; }
.ip-lookup-tool[data-state="ready"] .ip-tool-state { border-color: color-mix(in srgb, var(--success) 52%, transparent); color: var(--success); }
.ip-lookup-tool[data-state="error"] .ip-tool-state { border-color: color-mix(in srgb, var(--warning) 70%, transparent); color: var(--warning); }
.ip-tool-intro { max-width: 700px; margin: 18px 0 24px !important; color: var(--contrast-muted); font-size: .96rem; }
.ip-current-card { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: clamp(18px, 3vw, 25px); background: var(--contrast-surface-alt); border: 1px solid var(--contrast-border); }
.ip-current-label { display: block; margin-bottom: 7px; color: var(--contrast-muted); font: 700 9px/1.2 var(--font-primary); letter-spacing: .08em; text-transform: uppercase; }
.ip-current-value { display: block; max-width: 100%; overflow-wrap: anywhere; color: var(--contrast-text); font: 700 clamp(1.45rem, 4vw, 2.55rem)/1.1 var(--font-primary); letter-spacing: .015em; }
.ip-current-actions { display: flex; flex: 0 0 auto; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.ip-tool-button { min-height: 42px; padding: 9px 14px; border: 1px solid transparent; border-radius: 7px; font: 700 .79rem/1 var(--font-primary); cursor: pointer; }
.ip-tool-button-primary { background: var(--primary-vivid); border-color: var(--primary-vivid); color: var(--on-vivid); }
.ip-tool-button-primary:hover { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.ip-tool-button-secondary { background: var(--contrast-surface-alt); border-color: var(--contrast-border); color: var(--contrast-text); }
.ip-tool-button-secondary:hover { border-color: var(--contrast-accent); color: var(--contrast-text); }
.ip-tool-button:disabled { opacity: .55; cursor: wait; }
.ip-query-form { margin-top: 22px; }
.ip-query-form > label { display: block; margin-bottom: 8px; color: var(--contrast-text); font-size: .88rem; font-weight: 700; }
.ip-query-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.ip-query-row input { min-width: 0; min-height: 46px; padding: 10px 13px; background: var(--contrast-surface); color: var(--contrast-text); border: 1px solid var(--contrast-border); border-radius: 7px; font: 600 .92rem/1.2 var(--font-primary); }
.ip-query-row input::placeholder { color: var(--contrast-muted); }
.ip-query-row input[aria-invalid="true"] { border-color: var(--warning); box-shadow: 0 0 0 3px color-mix(in srgb, var(--warning) 18%, transparent); }
.ip-query-meta { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-top: 8px; }
.ip-query-meta small { color: var(--contrast-muted); font-size: .72rem; line-height: 1.45; }
.ip-reset-button { flex: 0 0 auto; padding: 0; border: 0; background: transparent; color: var(--contrast-accent); font-size: .72rem; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.ip-tool-status { min-height: 24px; margin: 18px 0 12px !important; padding-inline-start: 14px; border-inline-start: 3px solid var(--accent); color: var(--contrast-muted); font-size: .84rem; }
.ip-tool-status[data-status="success"] { border-color: var(--success); color: var(--success); }
.ip-tool-status[data-status="error"] { border-color: var(--warning); color: var(--warning); }
.ip-result-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--contrast-border); border-inline-start: 1px solid var(--contrast-border); }
.ip-result-grid > div { min-width: 0; padding: 14px; border-inline-end: 1px solid var(--contrast-border); border-bottom: 1px solid var(--contrast-border); }
.ip-result-grid .ip-result-wide { grid-column: span 2; }
.ip-result-grid dt { color: var(--contrast-muted); font: 700 8px/1.2 var(--font-primary); letter-spacing: .07em; text-transform: uppercase; }
.ip-result-grid dd { min-width: 0; margin: 6px 0 0; overflow-wrap: anywhere; color: var(--contrast-text); font-size: .84rem; font-weight: 700; }
.ip-tool-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.ip-tool-notes p, .ip-tool-noscript { margin: 0 !important; color: var(--contrast-muted); font-size: .72rem; line-height: 1.55; }
.ip-tool-notes strong { color: var(--contrast-text); }
.blog-article-copy .ip-tool-notes a { color: var(--contrast-accent); font-weight: 700; }
.ip-tool-noscript { margin-top: 15px !important; color: var(--warning); }

@media (max-width: 980px) {
  .blog-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .blog-article-hero .product-hero-grid, .blog-article-layout { grid-template-columns: 1fr; }
  .blog-cover { max-width: 720px; }
  .blog-article-aside { position: static; }
}

@media (max-width: 620px) {
  .blog-card-grid { grid-template-columns: 1fr; }
  .blog-card-body { padding: 20px; }
  .blog-category-nav { gap: 6px; margin-bottom: 20px; }
  .blog-category-nav a { flex: 1 1 calc(50% - 3px); justify-content: space-between; }
  .blog-index-section { padding-top: 46px; }
  .blog-article-copy { font-size: 1rem; line-height: 1.7; }
  .blog-cover { box-shadow: 8px 8px 0 color-mix(in srgb, var(--contrast-accent) 28%, transparent); }
  .ip-lookup-tool { margin-inline: -8px; padding: 20px 16px; border-radius: 9px; }
  .ip-tool-heading, .ip-current-card { align-items: stretch; flex-direction: column; }
  .ip-current-actions { justify-content: flex-start; }
  .ip-current-actions .ip-tool-button { flex: 1 1 150px; }
  .ip-query-row { grid-template-columns: 1fr; }
  .ip-query-row .ip-tool-button { width: 100%; }
  .ip-query-meta { flex-direction: column; }
  .ip-result-grid { grid-template-columns: 1fr 1fr; }
  .ip-result-grid .ip-result-wide { grid-column: span 2; }
  .ip-tool-notes { grid-template-columns: 1fr; }
}

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

@media print {
  .blog-related, .blog-article-aside, .blog-cover, .ip-lookup-tool { display: none !important; }
  .blog-article-layout { display: block; }
  .blog-article-copy { color: var(--print-text); font-size: 11pt; }
}