.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    height: var(--header-height);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(8, 8, 8, 0.72);
    backdrop-filter: blur(18px);
    transition: background-color 200ms ease, box-shadow 200ms ease;
}

.site-header.is-scrolled {
    background: rgba(8, 8, 8, 0.94);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
}

.header-inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
}

.brand-mark {
    position: relative;
    display: flex;
    width: 34px;
    height: 34px;
    align-items: flex-end;
    justify-content: center;
    gap: 3px;
    padding: 7px 6px;
    border: 1px solid rgba(212, 175, 55, 0.5);
    background: linear-gradient(145deg, rgba(212, 175, 55, 0.12), rgba(22, 119, 255, 0.08));
}

.brand-mark::before,
.brand-mark::after {
    content: "";
    position: absolute;
    width: 5px;
    height: 5px;
    border-color: var(--blue-light);
}

.brand-mark::before { top: -1px; left: -1px; border-top: 1px solid; border-left: 1px solid; }
.brand-mark::after { right: -1px; bottom: -1px; border-right: 1px solid; border-bottom: 1px solid; }
.brand-mark i { display: block; width: 4px; background: linear-gradient(180deg, var(--blue-light), var(--gold)); }
.brand-mark i:nth-child(1) { height: 9px; }
.brand-mark i:nth-child(2) { height: 18px; }
.brand-mark i:nth-child(3) { height: 13px; }

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-copy strong { font-size: 17px; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 9px; font-weight: 700; }

.primary-nav ul {
    display: flex;
    align-items: center;
    gap: 30px;
}

.primary-nav a {
    position: relative;
    display: block;
    padding: 26px 0 23px;
    color: #bec3cc;
    font-size: 14px;
    transition: color 180ms ease;
}

.primary-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 2px;
    transform: scaleX(0);
    background: linear-gradient(90deg, var(--blue), var(--gold));
    transition: transform 200ms var(--ease);
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] { color: var(--white); }
.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after { transform: scaleX(1); }

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 11px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
}

.menu-toggle span { display: block; width: 100%; height: 1px; margin: 5px 0; background: var(--white); transition: 200ms ease; }

.hero {
    position: relative;
    min-height: 700px;
    padding-top: var(--header-height);
    overflow: hidden;
    border-bottom: 1px solid rgba(212, 175, 55, 0.16);
}

.hero-media {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(8, 8, 8, 0.98) 0%, rgba(8, 8, 8, 0.79) 42%, rgba(8, 8, 8, 0.22) 74%, rgba(8, 8, 8, 0.72) 100%);
}

.hero-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, var(--bg));
}

.hero-grid {
    position: absolute;
    inset: 0;
    opacity: 0.23;
    background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(90deg, black, transparent 82%);
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    min-height: 570px;
    grid-template-columns: minmax(0, 1fr) 350px;
    align-items: center;
    gap: 80px;
}

.hero-content { max-width: 700px; padding: 60px 0 42px; }
.hero-content h1 { margin-bottom: 8px; color: var(--white); font-size: 58px; line-height: 1.16; }
.hero-lead { margin-bottom: 24px; color: transparent; background: linear-gradient(90deg, #ffffff 8%, var(--gold-light) 58%, var(--blue-light)); background-clip: text; font-size: 32px; font-weight: 700; line-height: 1.35; }
.hero-summary { max-width: 590px; margin-bottom: 32px; color: #b6bbc4; font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; gap: 12px; }

.hero-dashboard {
    position: relative;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.17);
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(22, 22, 22, 0.77), rgba(8, 8, 8, 0.43));
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.38), inset 0 1px rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
}

.hero-dashboard::before {
    content: "";
    position: absolute;
    inset: -1px auto auto -1px;
    width: 70px;
    height: 1px;
    background: var(--gold);
}

.dashboard-head { display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 10px; font-weight: 700; }
.dashboard-head i { font-style: normal; color: #66d9a3; }
.dashboard-head i::before { content: ""; display: inline-block; width: 5px; height: 5px; margin-right: 6px; border-radius: 50%; background: #66d9a3; box-shadow: 0 0 10px #66d9a3; }
.dashboard-value { display: flex; align-items: baseline; gap: 14px; padding: 18px 0 14px; border-bottom: 1px solid var(--line); }
.dashboard-value strong { color: var(--white); font-size: 50px; line-height: 1; }
.dashboard-value span { color: #b6bbc4; font-size: 12px; }
.signal-bars { display: flex; height: 72px; align-items: end; gap: 8px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.signal-bars i { flex: 1; height: var(--bar, 40%); background: linear-gradient(180deg, var(--blue-light), rgba(22,119,255,.15)); }
.signal-bars i:nth-child(1) { --bar: 26%; } .signal-bars i:nth-child(2) { --bar: 48%; } .signal-bars i:nth-child(3) { --bar: 38%; } .signal-bars i:nth-child(4) { --bar: 72%; } .signal-bars i:nth-child(5) { --bar: 55%; } .signal-bars i:nth-child(6) { --bar: 88%; background: linear-gradient(180deg, var(--gold-light), rgba(212,175,55,.15)); } .signal-bars i:nth-child(7) { --bar: 66%; } .signal-bars i:nth-child(8) { --bar: 78%; }
.hero-dashboard dl { margin: 15px 0 0; }
.hero-dashboard dl div { display: flex; justify-content: space-between; padding: 5px 0; font-size: 11px; }
.hero-dashboard dt { color: var(--muted); }
.hero-dashboard dd { margin: 0; color: #d9dce2; }

.hero-status { position: relative; z-index: 2; border-top: 1px solid var(--line); background: rgba(8, 8, 8, 0.62); }
.status-inner { display: flex; min-height: 53px; align-items: center; justify-content: space-between; color: #757b85; font-size: 10px; font-weight: 700; }
.status-inner span:first-child { color: #9da3ae; }
.status-inner i { display: inline-block; width: 5px; height: 5px; margin-right: 7px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 10px var(--blue); }

.section { position: relative; padding: 108px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 42px; }
.section-heading h2,
.research-intro h2 { margin-bottom: 0; font-size: 36px; line-height: 1.3; }
.section-heading > p { max-width: 480px; margin-bottom: 3px; color: var(--muted); font-size: 14px; }

.keyword-section::before { content: ""; position: absolute; top: 0; right: 7%; width: 1px; height: 90px; background: linear-gradient(var(--gold), transparent); opacity: .5; }
.keyword-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.keyword-card { position: relative; display: flex; min-height: 224px; flex-direction: column; justify-content: space-between; padding: 22px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(22,22,22,.88), rgba(13,13,13,.84)); transition: transform 220ms var(--ease), border-color 220ms ease, box-shadow 220ms ease; }
.keyword-card:nth-child(1), .keyword-card:nth-child(2) { grid-column: span 2; }
.keyword-card:nth-child(3), .keyword-card:nth-child(4) { grid-column: span 2; }
.keyword-card:nth-child(5) { grid-column: span 2; }
.keyword-card:hover { transform: translateY(-5px); border-color: rgba(22,119,255,.55); box-shadow: 0 20px 45px rgba(0,0,0,.32); }
.keyword-card::after { content: ""; position: absolute; right: -35px; bottom: -35px; width: 90px; height: 90px; border: 1px solid rgba(22,119,255,.18); transform: rotate(45deg); }
.card-index { color: #777d87; font-size: 11px; font-weight: 700; }
.keyword-card h3 { margin-bottom: 12px; font-size: 19px; }
.keyword-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.card-arrow { position: absolute; top: 20px; right: 20px; color: var(--gold); font-size: 18px; transition: transform 200ms ease; }
.keyword-card:hover .card-arrow { transform: translate(3px,-3px); }

.research-section { border-block: 1px solid var(--line); background: #0c0c0c; }
.research-section::after { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(90deg, transparent 49.9%, rgba(255,255,255,.025) 50%, transparent 50.1%); background-size: 160px 100%; }
.research-layout { position: relative; z-index: 1; display: grid; grid-template-columns: .78fr 1.22fr; gap: 100px; align-items: start; }
.research-intro { position: sticky; top: 120px; }
.research-intro h2 { margin-bottom: 24px; }
.research-intro > p:not(.eyebrow) { margin-bottom: 30px; color: var(--muted); line-height: 2; }
.research-list { border-top: 1px solid var(--line-strong); }
.research-item { display: grid; grid-template-columns: 62px 1fr; gap: 24px; padding: 29px 0; border-bottom: 1px solid var(--line); }
.research-item > span { color: var(--gold); font-size: 11px; font-weight: 700; }
.research-item h3 { margin-bottom: 8px; font-size: 20px; }
.research-item p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.article-section { background: linear-gradient(180deg, #080808, #0b0b0b); }
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line); }
.article-card { min-width: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.article-card a { display: flex; min-height: 218px; flex-direction: column; justify-content: space-between; padding: 25px; background: rgba(255,255,255,.01); transition: background-color 180ms ease; }
.article-card a:hover { background: rgba(22,119,255,.065); }
.article-meta { display: flex; justify-content: space-between; gap: 16px; color: #717782; font-size: 10px; }
.article-meta span { color: var(--blue-light); }
.article-card h3 { margin: 24px 0; font-size: 18px; line-height: 1.65; }
.article-foot { display: flex; align-items: center; justify-content: space-between; color: #666c75; font-size: 10px; }
.article-foot i { color: var(--gold); font-size: 16px; font-style: normal; transition: transform 180ms ease; }
.article-card a:hover .article-foot i { transform: translateX(4px); }

.site-footer { position: relative; background: #060606; color: #a4a9b1; }
.footer-rule { height: 1px; background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--blue) 70%, transparent); opacity: .58; }
.footer-grid { display: grid; grid-template-columns: 1.65fr .8fr .9fr 1.2fr; gap: 55px; padding-block: 72px 58px; }
.footer-brand { margin-bottom: 22px; color: var(--white); }
.footer-about p, .footer-note p { max-width: 380px; margin-bottom: 0; font-size: 13px; line-height: 1.9; }
.footer-column h2 { margin-bottom: 22px; color: var(--white); font-size: 14px; }
.footer-column li + li { margin-top: 10px; }
.footer-column a { font-size: 13px; transition: color 180ms ease; }
.footer-column a:hover { color: var(--gold-light); }
.footer-bottom { display: flex; min-height: 72px; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); color: #666b73; font-size: 11px; }
.footer-bottom p { margin-bottom: 0; }
.footer-site-address a { color: #aeb4bd; transition: color 180ms ease; }
.footer-site-address a:hover { color: var(--gold-light); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 14px; margin-top: 18px; }
.footer-legal a { color: #858b94; font-size: 11px; }

/* Inner content pages */
.inner-page { background: var(--bg); }
.breadcrumbs { padding-top: calc(var(--header-height) + 28px); }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 12px; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 8px; color: #555b64; }
.breadcrumbs a:hover { color: var(--gold-light); }
.narrow { max-width: 820px; }
.inner-hero { position: relative; padding: 78px 0 88px; overflow: hidden; border-bottom: 1px solid var(--line); }
.inner-hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, transparent, black 55%, transparent); }
.inner-hero h1 { position: relative; z-index: 1; margin-bottom: 22px; font-size: 48px; line-height: 1.3; }
.inner-hero p { position: relative; z-index: 1; max-width: 760px; color: var(--muted); line-height: 2; }
.inner-hero .eyebrow { color: var(--gold-light); }
.topic-principles { padding-block: 72px; }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.principle-grid article { min-height: 210px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.015); }
.principle-grid span { color: var(--gold); font-size: 11px; font-weight: 700; }
.principle-grid h2 { margin: 28px 0 12px; font-size: 19px; }
.principle-grid p { margin: 0; color: var(--muted); font-size: 13px; }
.listing-section { padding-top: 50px; background: #0b0b0b; border-top: 1px solid var(--line); }
.content-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.content-card { min-width: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-soft); }
.content-card a { display: flex; min-height: 260px; height: 100%; flex-direction: column; padding: 25px; }
.content-card h2 { margin: 26px 0 12px; font-size: 18px; line-height: 1.55; }
.content-card p { margin-bottom: 25px; color: var(--muted); font-size: 13px; }
.read-more { margin-top: auto; color: #cbd0d8; font-size: 12px; font-weight: 700; }
.read-more i { margin-left: 8px; color: var(--gold); font-style: normal; transition: margin-left 180ms ease; }
.content-card a:hover .read-more i { margin-left: 14px; }
.article-detail { padding-top: 65px; padding-bottom: 110px; }
.article-header { max-width: 920px; margin: 0 auto 64px; text-align: center; }
.article-header .eyebrow { justify-content: center; }
.article-header h1 { margin-bottom: 22px; font-size: 46px; line-height: 1.35; }
.article-deck { max-width: 760px; margin: 0 auto 24px; color: #b8bdc6; font-size: 18px; line-height: 1.9; }
.article-byline { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 24px; color: #777e88; font-size: 12px; }
.article-layout { display: grid; grid-template-columns: minmax(0,760px) 270px; justify-content: center; gap: 70px; align-items: start; }
.article-content { color: #c7cbd2; font-size: 17px; line-height: 2.05; }
.article-content section { margin-bottom: 48px; }
.article-content h2 { position: relative; margin-bottom: 20px; padding-left: 18px; color: var(--white); font-size: 27px; line-height: 1.45; }
.article-content h2::before { content: ""; position: absolute; left: 0; top: .32em; width: 3px; height: 1em; background: linear-gradient(var(--gold),var(--blue)); }
.article-content p { margin-bottom: 18px; }
.article-aside { position: sticky; top: 108px; display: grid; gap: 14px; }
.article-aside > div { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(22,22,22,.72); }
.article-aside span { display: block; margin-bottom: 10px; color: #747b85; font-size: 10px; font-weight: 700; }
.article-aside a { color: var(--gold-light); font-size: 14px; overflow-wrap: anywhere; }
.article-aside p { margin: 0; color: #b7bcc5; font-size: 12px; line-height: 1.8; }
.faq-list { border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 19px 2px; color: var(--white); font-weight: 700; cursor: pointer; }
.faq-list details p { padding: 0 2px 20px; color: var(--muted); font-size: 15px; }
.editor-note { padding: 24px; border-left: 2px solid var(--gold); background: rgba(212,175,55,.06); }
.editor-note strong { color: var(--gold-light); }
.editor-note p { margin: 8px 0 0; font-size: 14px; }
.related-section { padding-top: 80px; }
.info-content { padding-block: 72px 100px; }
.info-content section { padding: 32px 0; border-bottom: 1px solid var(--line); }
.info-content h2 { margin-bottom: 14px; font-size: 24px; }
.info-content p { margin-bottom: 0; color: #b8bdc6; line-height: 2; }
.info-updated { margin-top: 30px; color: #717782 !important; font-size: 12px; }
