:root{--navy:#0b1f3a;--navy2:#132f55;--blue:#2563eb;--blue2:#1d4ed8;--gold:#c69b3c;--green:#1fa855;--ink:#172033;--muted:#65758b;--line:#dfe6ee;--soft:#f5f8fc;--white:#fff;--radius:18px;--shadow:0 20px 60px rgba(11,31,58,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:none;color:var(--blue2)}img{max-width:100%}.shell{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:10px;background:#fff;padding:10px;z-index:999}.site-header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);z-index:100;border-bottom:1px solid rgba(223,230,238,.8)}.header-inner{height:76px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:11px;color:var(--navy);min-width:max-content}.brand span{display:flex;flex-direction:column;line-height:1.12}.brand strong{font-size:18px}.brand small{font-size:11px;color:var(--muted);margin-top:4px}.nav{margin-left:auto;display:flex;align-items:center;gap:22px}.nav-item{position:relative}.nav-item>a{color:#27364c;font-size:14px;font-weight:650;padding:28px 0}.nav-menu{display:none;position:absolute;top:42px;left:-18px;background:#fff;border:1px solid var(--line);border-radius:14px;min-width:270px;padding:8px;box-shadow:var(--shadow)}.nav-item:hover .nav-menu,.nav-item:focus-within .nav-menu{display:block}.nav-menu a{display:block;padding:10px 12px;border-radius:9px;color:#26364d;font-size:14px}.nav-menu a:hover{background:var(--soft)}.menu-toggle,.mobile-nav{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--blue);border-radius:11px;background:var(--blue);color:#fff!important;font-weight:750;padding:13px 19px;cursor:pointer;transition:.2s}.btn:hover{background:var(--blue2);transform:translateY(-1px)}.btn-sm{padding:10px 14px;font-size:13px}.btn-outline{background:#fff;color:var(--navy)!important;border-color:#c8d4e2}.btn-outline:hover{background:var(--soft)}.btn-light{background:#fff;color:var(--navy)!important;border-color:#fff}.hero{background:linear-gradient(135deg,#f8fbff 0%,#f1f6fc 58%,#fff 100%);padding:88px 0 78px;overflow:hidden;border-bottom:1px solid #edf1f6}.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:center}.eyebrow{display:inline-flex;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:800;color:var(--blue);margin-bottom:15px}.hero h1{font-size:clamp(42px,5.1vw,68px);line-height:1.03;letter-spacing:-.045em;margin:0 0 22px;color:var(--navy);max-width:850px}.hero-copy{font-size:19px;line-height:1.7;color:#52647b;max-width:750px;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:29px}.hero-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:24px;color:#66768a;font-size:13px}.hero-meta span:before{content:"";display:inline-block;width:7px;height:7px;background:var(--gold);border-radius:50%;margin-right:7px}.hero-art{position:relative}.data-art{background:#fff;border:1px solid #dce6f0;border-radius:20px;box-shadow:0 30px 80px rgba(11,31,58,.13);padding:23px;transform:rotate(1deg)}.data-art-top{display:flex;gap:6px;padding-bottom:17px;border-bottom:1px solid #edf1f6}.data-art-top span{width:9px;height:9px;border-radius:50%;background:#dce4ee}.data-row{display:grid;grid-template-columns:100px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid #edf1f6;font-size:13px}.data-row b{color:#78889b}.data-row i{font-style:normal;color:#26364d;font-weight:650}.data-badge{margin-top:18px;display:inline-block;background:#eaf8f0;color:#137a3b;font-size:12px;font-weight:800;padding:8px 11px;border-radius:999px}.float-card{position:absolute;right:-25px;bottom:-28px;background:var(--navy);color:#fff;border-radius:14px;padding:14px 18px;box-shadow:var(--shadow);display:flex;flex-direction:column}.float-card span{font-size:12px;color:#c8d4e2}.trust-strip{border-bottom:1px solid var(--line);background:#fff}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:17px 0;font-size:13px;font-weight:700;color:#415168}.check{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:#eaf8f0;color:#148240;margin-right:8px;font-weight:900}.section{padding:78px 0}.section:nth-of-type(even){background:var(--soft)}.section-head{max-width:770px;margin-bottom:34px}.section-head h2,.cta-panel h2{font-size:clamp(30px,3.7vw,46px);line-height:1.12;letter-spacing:-.035em;color:var(--navy);margin:0 0 14px}.section-head p,.section-copy p{color:#5b6c82;font-size:17px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:26px;box-shadow:0 10px 30px rgba(11,31,58,.04)}.card-icon{width:44px;height:44px;border-radius:12px;background:#edf4ff;color:var(--blue);display:grid;place-items:center;margin-bottom:19px}.card-icon svg{width:24px;fill:none;stroke:currentColor;stroke-width:1.7}.card h3{margin:0 0 9px;color:var(--navy);font-size:20px}.card p{margin:0;color:#617187}.text-link{display:inline-block;margin-top:15px;font-weight:750;font-size:14px}.split-panel{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.split-visual{max-width:520px}.feature-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.feature-list li{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:12px;color:#46576c}.notice{border-left:4px solid var(--gold);background:#fffaf0;border-radius:0 14px 14px 0;padding:22px 24px;color:#5f4a1f}.notice strong{display:block;color:#3e321b;font-size:19px;margin-bottom:5px}.notice p{margin:6px 0}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff}.table-wrap table,.site-footer table{width:100%;border-collapse:collapse}.table-wrap th,.table-wrap td{padding:15px 17px;text-align:left;border-bottom:1px solid var(--line)}.table-wrap th{background:#f8fafc;color:#435268;font-size:13px}.chips{display:flex;flex-wrap:wrap;gap:10px}.chips span{background:#fff;border:1px solid #d7e1ec;color:#3d4d63;padding:10px 13px;border-radius:999px;font-weight:650;font-size:14px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.step-num{display:inline-grid;place-items:center;min-width:38px;height:38px;border-radius:11px;background:var(--navy);color:#fff;font-weight:800;margin-bottom:14px;padding:0 10px}.step h3{margin:0 0 7px;color:var(--navy)}.step p{color:#65758b;margin:0}.source-list{display:grid;gap:10px}.source-list a{display:flex;justify-content:space-between;gap:20px;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:11px;color:#2c3f59}.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.compare-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.faq-list{display:grid;gap:10px;max-width:900px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:13px;padding:0 18px}.faq-list summary{font-weight:800;color:var(--navy);cursor:pointer;padding:16px 0}.faq-list p{color:#607187;margin-top:0}.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:760px}.contact-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;display:flex;flex-direction:column;color:var(--navy)}.contact-card span{color:#66768b}.cta-panel{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-radius:24px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-panel h2{color:#fff;margin-bottom:8px}.cta-panel p{color:#d4deea;margin:0}.form-section{background:#f2f6fb!important}.form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:27px;box-shadow:var(--shadow)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.lead-form{display:grid;gap:13px}.lead-form label{display:grid;gap:6px;color:#3f5066;font-weight:700;font-size:13px}.lead-form input,.lead-form select,.lead-form textarea{width:100%;padding:12px 13px;border:1px solid #cbd7e4;border-radius:9px;font:inherit;color:#223249;background:#fff}.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:3px solid rgba(37,99,235,.12);border-color:var(--blue)}.consent{display:flex!important;grid-template-columns:18px 1fr!important;align-items:start;font-weight:500!important}.consent input{width:auto;margin-top:4px}.hp{position:absolute;left:-9999px}.form-assurance{display:flex;flex-direction:column;gap:9px;color:#607187;font-size:14px}.alert{padding:12px 14px;border-radius:10px;margin-bottom:15px}.alert.success{background:#eaf8f0;color:#176f3a}.alert.error{background:#fff0f0;color:#9d2c2c}.site-footer{background:#07172b;color:#d8e1ec;padding:62px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:48px}.footer-brand{color:#fff}.site-footer h3{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.08em}.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}.site-footer a{color:#cbd6e3}.site-footer .muted{color:#93a4b7;max-width:410px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #20334a;margin-top:45px;padding:18px 0;color:#8294a9;font-size:12px}@media(max-width:980px){.nav,.header-cta{display:none}.menu-toggle{display:block;margin-left:auto;border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:9px}.mobile-nav.open{display:grid;padding-bottom:18px}.mobile-nav a{padding:9px 0;color:var(--navy);font-weight:700}.hero-grid,.split-panel,.form-layout{grid-template-columns:1fr}.hero-art{max-width:620px}.cards{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.trust-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.shell{width:min(100% - 28px,1180px)}.header-inner{height:68px}.brand small{display:none}.hero{padding:60px 0 52px}.hero h1{font-size:40px}.hero-copy{font-size:17px}.float-card{right:0}.section{padding:58px 0}.cards,.steps,.compare-grid,.contact-cards,.field-row,.footer-grid,.trust-grid{grid-template-columns:1fr}.cta-panel{align-items:flex-start;flex-direction:column;padding:28px}.footer-bottom{flex-direction:column;gap:5px}}.breadcrumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:0 0 14px;color:#66758a;font-size:.86rem}.breadcrumbs a{color:#315f9f;text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}

/* v1.2 AI/authority content layer */
.direct-answer{max-width:980px;padding:34px;border:1px solid #cddcf4;border-radius:18px;background:linear-gradient(135deg,#f7fbff,#fff);box-shadow:0 10px 30px rgba(9,38,76,.05)}
.direct-answer .answer-label{display:inline-block;margin-bottom:10px;font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#1c5fc8}
.direct-answer h2{margin-top:0;margin-bottom:14px}
.direct-answer p{font-size:1.05rem;max-width:900px}
.direct-answer ul{margin:18px 0 0;padding-left:22px}
.editorial-meta{border-bottom:1px solid #e5ebf4;background:#fff}
.editorial-meta-inner{display:flex;gap:22px;flex-wrap:wrap;padding-top:13px;padding-bottom:13px;font-size:.84rem;color:#526174}
.editorial-meta-inner b{color:#15233b}
.page-toc{padding:26px 0 0;background:#fff}
.toc-card{border:1px solid #dfe7f2;background:#fbfcfe;border-radius:16px;padding:18px 22px;display:flex;gap:22px;align-items:flex-start}
.toc-card>strong{white-space:nowrap}
.toc-card nav{display:flex;gap:10px 18px;flex-wrap:wrap}
.toc-card a{font-size:.9rem;color:#275b9f;text-decoration:none}
.toc-card a:hover{text-decoration:underline}
.intel-art{width:min(100%,430px);margin:auto;padding:28px;border-radius:22px;background:linear-gradient(145deg,#09274a,#0e4179);box-shadow:0 22px 55px rgba(4,24,49,.22);color:#fff;text-align:center}
.intel-node{padding:17px 18px;border-radius:12px;font-weight:750;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}
.intel-node.output{background:#fff;color:#12304f}
.intel-arrow{font-size:1.3rem;opacity:.8;padding:7px}
.intel-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.intel-grid span{padding:11px 8px;border-radius:10px;background:rgba(255,255,255,.11);font-size:.88rem}
.hero-knowledge .hero-art{align-self:center}
.section-answer{padding-top:40px;padding-bottom:40px}
.section-data_table .table-wrap{max-width:1050px}
.section-sources .source-list a{word-break:break-word}
.article-note{font-size:.88rem;color:#5c6a7d}
@media(max-width:760px){.toc-card{display:block}.toc-card>strong{display:block;margin-bottom:12px}.editorial-meta-inner{gap:8px 14px}.direct-answer{padding:24px}.intel-art{padding:20px}}

/* v1.3 authority graph */
.section-related_links{background:var(--surface-soft,#f6f8fb)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}
.related-card{display:flex;flex-direction:column;gap:8px;min-height:170px;padding:22px;border:1px solid rgba(8,27,51,.10);border-radius:16px;background:#fff;text-decoration:none;color:inherit;box-shadow:0 8px 24px rgba(8,27,51,.05);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.related-card:hover,.related-card:focus-visible{transform:translateY(-2px);box-shadow:0 12px 30px rgba(8,27,51,.09);border-color:rgba(36,107,253,.32)}
.related-card strong{font-size:1.02rem;color:var(--navy,#081b33)}
.related-card span{font-size:.94rem;line-height:1.55;color:var(--muted,#536277);flex:1}
.related-card em{font-style:normal;font-weight:700;color:var(--blue,#246bfd);font-size:.9rem}
@media(max-width:900px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.related-grid{grid-template-columns:1fr}.related-card{min-height:0}}

.api-price-note{margin:3px 0;padding:12px 14px;border-radius:10px;background:#f5f8fc;color:#1d3a5f;font-size:14px}.form-small-note{font-size:12px;color:#65758b;margin:0}.api-art .data-row{grid-template-columns:88px 1fr}

/* Technical reference examples: preserve plaintext formatting and allow narrow-screen scrolling. */
.code-example-scroll{overflow-x:auto;max-width:100%;border:1px solid #dbe4ef;background:#0b1f3a;border-radius:12px;margin:12px 0 20px}
.code-example-scroll pre{margin:0;padding:20px;color:#f2f6fb;line-height:1.6;font:500 .92rem/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre;min-width:max-content}
.code-example-scroll code{color:inherit}

/* UX Release 1 — guided, accessible TSDR request correction. */
#request{scroll-margin-top:96px}
.lead-form .api-field{display:grid;gap:6px;min-width:0}
.lead-form .api-field>label:not(.consent){display:block;color:#34465e;font-weight:700;font-size:14px}
.lead-form .field-hint{display:block;color:#55677e;font-size:13px;line-height:1.5}
.lead-form .field-error{display:block;color:#a4211a;font-weight:650;font-size:13px;line-height:1.45}
.lead-form [aria-invalid="true"]{border-color:#b42318;box-shadow:0 0 0 1px #b42318}
.form-error-summary{outline:none}
.form-error-summary strong{display:block}
.form-error-summary ul{margin:8px 0 0;padding-left:20px}
.form-error-summary li{margin:4px 0}
.form-error-summary a{color:#861c1c;text-decoration:underline;text-underline-offset:2px}
.form-error-summary a:focus-visible,.lead-form :focus-visible{outline:3px solid #2156c0;outline-offset:3px}



/* UX Release 2 — discoverable desktop menus and task-grouped mobile navigation. */
@media (min-width:1101px){
  .header-inner{gap:17px}
  .nav{gap:13px}
  .nav-item.has-menu{display:flex;align-items:center;gap:3px}
  .nav-item>a{display:inline-flex;align-items:center}
  .nav-submenu-toggle{display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:#30445f;font-size:19px;min-height:38px;min-width:27px;padding:2px;cursor:pointer;border-radius:7px}
  .nav-submenu-toggle:hover{background:#edf3fa}
  .nav-submenu-toggle:focus-visible,.nav-menu a:focus-visible{outline:3px solid #2156c0;outline-offset:2px}
  .nav-menu{top:100%;left:-16px;right:auto;min-width:270px;max-height:min(70vh,520px);overflow-y:auto;overscroll-behavior:contain;z-index:120}
  .nav-menu-grouped{width:min(580px,calc(100vw - 36px));right:0;left:auto;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:14px}
  .nav-menu-group{min-width:0;padding:5px}
  .nav-menu-group-title{display:block;padding:5px 10px 9px;font-size:12px;line-height:1.25;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:#526987}
  .nav-menu-group a{white-space:normal;line-height:1.45}
  .nav-item:hover .nav-menu-grouped,.nav-item:focus-within .nav-menu-grouped,.nav-item.is-open .nav-menu-grouped{display:grid}
  .nav-item.is-dismissed .nav-menu{display:none!important}
}
.nav-submenu-toggle{display:none}
@media (min-width:1101px){.nav-submenu-toggle{display:inline-flex}}
@media (max-width:1100px){
  .nav,.header-cta{display:none}
  .menu-toggle{display:block;margin-left:auto;background:#fff;border:1px solid #cbd8e8;padding:10px 14px;border-radius:10px;color:#183253;min-height:44px;min-width:72px;font-weight:750;cursor:pointer}
  .menu-toggle:focus-visible{outline:3px solid #2156c0;outline-offset:2px}
  .mobile-nav.open{display:block;position:absolute;top:100%;left:0;right:0;width:100%;max-width:none;margin:0;padding:10px 20px 22px;background:#fff;border-bottom:1px solid #dce6f0;box-shadow:0 20px 34px rgba(11,31,58,.12);max-height:calc(100dvh - 76px);overflow-y:auto;overscroll-behavior:contain;z-index:120}
  .mobile-nav-single,.mobile-nav-group-home{display:flex;align-items:center;min-height:46px;padding:10px 4px!important;color:#1c3453;font-weight:750;font-size:15px;line-height:1.35}
  .mobile-nav-single,.mobile-nav-group{border-bottom:1px solid #e8eef5}
  .mobile-nav-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
  .mobile-nav-group-home{flex:1;min-width:0}
  .mobile-submenu-toggle{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:44px;margin:2px 0;background:#f2f6fb;border:1px solid #dae5f0;border-radius:10px;color:#173b70;font-size:23px;line-height:1;cursor:pointer}
  .mobile-submenu-toggle[aria-expanded="true"]{background:#e4eefc}
  .mobile-submenu-toggle:focus-visible,.mobile-nav a:focus-visible{outline:3px solid #2156c0;outline-offset:2px}
  .mobile-nav-children{padding:3px 4px 13px 14px}
  .mobile-nav-children[hidden]{display:none!important}
  .mobile-nav-children a{display:block;padding:9px 12px!important;font-size:14px;line-height:1.4;color:#25446c;font-weight:600}
  .mobile-nav-children a:hover{background:#f2f6fc;border-radius:7px}
  .mobile-nav-subgroup{padding:8px 0 2px}
  .mobile-nav-subgroup-title{display:block;margin:5px 0 3px;padding:0 12px;color:#60718a;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}
}
@media (max-width:620px){
  .mobile-nav.open{max-height:calc(100dvh - 68px);padding-inline:15px}
}
@media (min-width:1101px){
  .mobile-nav{display:none!important}
  .menu-toggle{display:none!important}
}

/* UX Release 2 — quantity and subtotal before and during the API enquiry. */
.api-quick-order{margin-top:24px;max-width:750px;padding:19px;border:1px solid #cfdef0;border-radius:17px;background:#fff;box-shadow:0 12px 28px rgba(11,31,58,.08)}
.api-quick-intro{display:flex;justify-content:space-between;gap:8px 18px;align-items:baseline;flex-wrap:wrap;margin-bottom:12px}
.api-quick-intro strong{color:#102f56;font-size:18px;line-height:1.4}
.api-quick-intro span{color:#596d86;font-size:13px}
.api-quick-controls{display:grid;grid-template-columns:108px minmax(112px,1fr) auto;align-items:end;gap:14px}
.api-quick-quantity label{display:block;margin-bottom:6px;color:#42546c;font-size:13px;font-weight:700}
.api-quick-quantity input{width:100%;height:47px;padding:9px 10px;border:1px solid #aebfd4;border-radius:9px;font:inherit;font-size:16px;color:#193454;background:#fff}
.api-quick-total span{display:block;color:#5b6f87;font-size:12px;line-height:1.45}
.api-quick-total strong{display:block;color:#0b3565;font-size:24px;line-height:1.45;white-space:nowrap}
.api-quick-action{min-height:47px;white-space:nowrap;padding:10px 13px;font-size:14px;text-align:center}
.api-quick-quantity input:focus-visible,.api-quick-action:focus-visible{outline:3px solid #2156c0;outline-offset:2px}
.api-quick-order p{margin:12px 0 0;color:#607188;font-size:12px;line-height:1.5}
.api-price-estimate{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid #cbdced;border-radius:12px;padding:14px 16px;background:#f5f9ff}
.api-price-estimate span{display:block;color:#1d385c;font-size:14px;font-weight:750}
.api-price-estimate small{display:block;color:#5a718e;font-size:12px;font-weight:500}
.api-price-estimate strong{display:block;white-space:nowrap;color:#0c396d;font-size:22px}
@media(max-width:620px){
  .api-quick-order{padding:15px}
  .api-quick-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .api-quick-action{grid-column:1/-1;white-space:normal}
  .api-quick-total strong{font-size:21px}
}
@media(max-width:380px){
  .api-price-estimate{display:block}
  .api-price-estimate strong{margin-top:8px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .nav-menu a,.mobile-nav a{transition:none}
}


/* Very narrow devices: prevent the sticky header from exceeding a 320px viewport. */
@media(max-width:380px){
  .header-inner{gap:7px}
  .brand{min-width:0;gap:6px}
  .brand img{width:34px;height:34px;flex:0 0 34px}
  .brand strong{font-size:14px;letter-spacing:-.035em;white-space:nowrap}
  .menu-toggle{min-width:58px;padding:8px 9px;font-size:14px}
}


/* UX Release 3 — semantic topic breadcrumbs and readable editorial metadata. */
.breadcrumbs{display:block;margin:0 0 18px;font-size:14px;line-height:1.55;color:#52647d}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:5px 0;align-items:center;list-style:none;margin:0;padding:0;min-width:0}
.breadcrumbs li{display:flex;align-items:center;min-width:0;max-width:100%;overflow-wrap:anywhere}
.breadcrumbs li+li::before{content:"/";color:#8a98aa;padding:0 9px;font-weight:400}
.breadcrumbs a{color:#255995;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.breadcrumbs a:hover{text-decoration-color:currentColor;color:#153f74}
.breadcrumbs [aria-current="page"]{color:#42556f;font-weight:650}
.breadcrumbs a:focus-visible{outline:3px solid #2156c0;outline-offset:3px;border-radius:3px}
.editorial-meta-inner{gap:10px 23px;font-size:14px;line-height:1.55}
.editorial-meta-inner time{white-space:nowrap}
.toc-card a:focus-visible{outline:3px solid #2156c0;outline-offset:2px;border-radius:3px}
.form-small-note{font-size:13px;line-height:1.55}
.footer-bottom{font-size:13px}
.nav-menu-group-title,.mobile-nav-subgroup-title{font-size:13px}
.site-footer a:focus-visible{outline:3px solid #93b8f8;outline-offset:3px;border-radius:3px}

/* Accessible copy controls: copy exactly the rendered source text. */
.code-example-block{margin:14px 0 24px;border:1px solid #294969;background:#0b1f3a;border-radius:14px;overflow:hidden;max-width:100%}
.code-example-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:9px 12px 9px 19px;border-bottom:1px solid #294969;background:#122d4c}
.code-example-label{color:#d0dceb;font-size:14px;font-weight:650;letter-spacing:.01em}
.code-copy-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:9px 14px;border:1px solid #a8c4e6;border-radius:8px;background:#e9f2fd;color:#123961;font-family:inherit;font-weight:700;font-size:14px;line-height:1.3;white-space:nowrap;cursor:pointer}
.code-copy-button:hover{background:#fff;border-color:#c9ddf5}
.code-copy-button:focus-visible{outline:3px solid #f2c96a;outline-offset:2px}
.code-copy-button[disabled]{cursor:progress;opacity:.76}
.code-example-block.code-copy-done .code-copy-button{background:#e7f8ef;color:#145a33;border-color:#8acbad}
.code-example-block .code-example-scroll{max-width:100%;margin:0;border:0;border-radius:0;background:#0b1f3a;overflow-x:auto;overscroll-behavior-inline:contain}
.code-example-block .code-example-scroll:focus-visible{outline:3px solid #f2c96a;outline-offset:-3px}
.code-example-block pre{padding:19px 22px;margin:0;font-size:14px;line-height:1.7}
.code-copy-status{display:block;padding:8px 19px;font-size:13px;line-height:1.45;color:#d5e9ff}
.code-copy-status:empty{display:none}
.code-copy-done .code-copy-status{color:#bdf3d2}

/* Five footer groups + identity: balance the six columns into two rows. */
@media(min-width:981px){
  .footer-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 48px;align-items:start}
  .footer-grid>div{min-width:0}
}
@media(max-width:620px){
  .breadcrumbs{font-size:14px}
  .breadcrumbs li+li::before{padding:0 6px}
  .editorial-meta-inner{gap:9px 16px}
  .code-example-toolbar{padding:9px 11px;gap:8px}
  .code-example-label{font-size:13px}
  .code-copy-button{min-height:44px;padding:9px 11px}
  .code-example-block pre{padding:17px 14px;font-size:14px}
}
@media(prefers-reduced-motion:reduce){
  .code-copy-button{transition:none}
}



/* UX Release 3 responsive QA: long USPTO endpoint URLs must wrap within cards. */
.cards{grid-template-columns:repeat(3,minmax(0,1fr));min-width:0}
.card{min-width:0;overflow-wrap:anywhere;word-break:normal}
@media(max-width:980px){
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:620px){
  .cards{grid-template-columns:minmax(0,1fr)}
}

/* UX Final Release — topic-relevant, accessible HTML research illustrations. */
.topic-art{max-width:440px;margin:auto;border-radius:20px;padding:25px;background:linear-gradient(145deg,#0b2545,#144c80);box-shadow:0 20px 48px rgba(4,24,49,.16);color:#f5f9ff;min-width:0}
.topic-art-heading{display:block;font-size:18px;line-height:1.4;font-weight:800;color:#fff;margin:0 0 19px}
.topic-art ol{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.topic-art li{display:flex;align-items:center;gap:13px;min-width:0;border:1px solid rgba(187,221,255,.24);border-radius:12px;padding:13px;background:rgba(255,255,255,.08);font-size:14px;line-height:1.5;font-weight:650;overflow-wrap:anywhere}
.topic-art-count{display:flex;align-items:center;justify-content:center;min-width:32px;width:32px;height:32px;border-radius:50%;background:#ffd273;color:#122c4f;font-weight:800;font-size:14px;flex-shrink:0}
.topic-art-note{display:block;font-size:13px;line-height:1.5;margin-top:16px;color:#d6e8fc}
.topic-art-office{background:linear-gradient(145deg,#112d51,#375678)}
.topic-art-search{background:linear-gradient(145deg,#0a3459,#115e7f)}
.topic-art-status{background:linear-gradient(145deg,#173654,#27647c)}
.topic-art-method{background:linear-gradient(145deg,#1a3150,#27547c)}
@media(max-width:620px){.topic-art{padding:19px}.topic-art li{padding:11px}}
@media(prefers-contrast:more){
 .topic-art{background:#092243;border:2px solid #fff}
 .topic-art li{background:#0b315d;border:1px solid #fff}
 .topic-art-note{color:#fff}
}


/* Commercial data packages — no embedded payment processor or third-party assets. */
.commerce-price-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.commerce-price-card{display:flex;flex-direction:column;min-width:0;border:1px solid #d7e2f1;border-radius:22px;background:#fff;padding:31px;box-shadow:0 15px 36px rgba(11,31,58,.05)}
.commerce-price-card.commerce-price-featured{border:2px solid #c69b3c;background:linear-gradient(180deg,#fffdf5,#fff 31%)}
.commerce-price-kicker{color:#315f9f;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.commerce-price-featured .commerce-price-kicker{color:#755017}
.commerce-price-card h3{color:var(--navy);font-size:clamp(21px,2.4vw,27px);line-height:1.2;margin:13px 0}
.commerce-price-number{font-size:clamp(35px,4vw,46px);font-weight:850;line-height:1.1;letter-spacing:-.045em;color:#0b274c}
.commerce-price-unit{font-size:14px;font-weight:750;color:#516582;margin:5px 0 14px}
.commerce-minimum{font-size:14px;color:#24446d;font-weight:750;padding:13px 0;border-top:1px solid #e2eaf4;border-bottom:1px solid #e2eaf4;margin:5px 0}
.commerce-minimum span{display:block;font-size:13px;font-weight:500;color:#617186}
.commerce-description{color:#566a80;font-size:15px;flex:1;margin:4px 0 22px}
.commerce-price-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px}
.commerce-detail-link{font-size:14px;font-weight:750;text-decoration:underline;text-underline-offset:3px}
.commerce-legal-note{max-width:940px;color:#586a80;font-size:14px;margin:22px 0 0}
.commerce-order-section .form-card{min-width:0}
.commerce-order-section .lead-form{gap:18px}
.commerce-order-section .lead-form label a{color:#125abd;text-decoration:underline}
.commerce-estimate{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:#eff5fc;border:1px solid #bed2ea;padding:17px 20px;border-radius:14px}
.commerce-estimate span{font-weight:750;color:#1b3d66}
.commerce-estimate small{display:block;font-size:12px;font-weight:500;color:#637a92}
.commerce-estimate strong{font-weight:850;color:#12395c;font-size:26px;white-space:nowrap}
.commerce-form-side-note{padding:17px;background:#fff;border:1px solid #dce5f0;border-left:4px solid #c69b3c;border-radius:10px;color:#465a70;font-size:14px}
.commerce-order-section .alert ul{margin:9px 0 0;padding-left:18px}
@media(max-width:760px){.commerce-price-grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:620px){.commerce-price-card{padding:23px}.commerce-estimate{padding:15px}.commerce-price-actions .btn{width:100%}.commerce-estimate strong{font-size:22px}}
@media(prefers-contrast:more){.commerce-price-featured{border-color:#755017}.commerce-estimate{border:2px solid #0b274c}}