:root {
    --blog-navy: #071a35;
    --blog-navy-2: #0d294e;
    --blog-orange: #f47b20;
    --blog-orange-dark: #d85f0d;
    --blog-blue: #1e67d6;
    --blog-bg: #f5f7fb;
    --blog-surface: #ffffff;
    --blog-text: #172033;
    --blog-muted: #657087;
    --blog-border: #e3e8f1;
    --blog-radius: 22px;
    --blog-shadow: 0 22px 60px rgba(7, 26, 53, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.blog-main { background: var(--blog-bg); color: var(--blog-text); overflow: hidden; }
.blog-shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

.blog-hero {
    position: relative;
    padding: 92px 0 78px;
    background:
        radial-gradient(circle at 80% 20%, rgba(244,123,32,.20), transparent 28%),
        linear-gradient(135deg, #06172f 0%, #0a2850 58%, #113968 100%);
    color: #fff;
}
.blog-hero::after {
    content: "";
    position: absolute;
    inset: auto -10% -120px 45%;
    height: 230px;
    background: rgba(255,255,255,.04);
    transform: rotate(-8deg);
    border-radius: 50%;
}
.blog-hero-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(310px, .75fr); gap: 58px; align-items: center; position: relative; z-index: 1; }
.blog-eyebrow, .blog-kicker { display: inline-flex; font-size: .78rem; font-weight: 800; letter-spacing: .14em; color: var(--blog-orange); margin-bottom: 16px; }
.blog-hero h1 { max-width: 760px; margin: 0 0 22px; font-size: clamp(2.45rem, 5vw, 4.75rem); line-height: 1.02; letter-spacing: -.045em; }
.blog-hero h1 span { color: #ff9a48; }
.blog-hero-copy > p { max-width: 760px; margin: 0; color: rgba(255,255,255,.78); font-size: 1.12rem; line-height: 1.8; }
.blog-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.blog-button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: 12px; font-weight: 800; text-decoration: none; transition: .2s ease; border: 1px solid transparent; }
.blog-button:hover { transform: translateY(-2px); }
.blog-button-primary { color: #fff; background: var(--blog-orange); box-shadow: 0 12px 28px rgba(244,123,32,.28); }
.blog-button-primary:hover { background: var(--blog-orange-dark); }
.blog-button-secondary { color: #fff; border-color: rgba(255,255,255,.25); background: rgba(255,255,255,.06); }
.blog-button-light { background: #fff; color: var(--blog-navy); }
.blog-trust-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: rgba(255,255,255,.72); font-size: .88rem; }
.blog-trust-row span::before { content: "✓"; color: #ff9a48; font-weight: 900; margin-right: 7px; }

.blog-hero-panel { padding: 34px; border: 1px solid rgba(255,255,255,.14); border-radius: 24px; background: rgba(255,255,255,.08); box-shadow: 0 26px 60px rgba(0,0,0,.22); backdrop-filter: blur(12px); }
.blog-panel-label { display: inline-block; padding: 7px 10px; border-radius: 999px; background: rgba(244,123,32,.18); color: #ffad6d; font-size: .75rem; font-weight: 800; }
.blog-hero-panel h2 { margin: 18px 0 12px; font-size: 1.65rem; line-height: 1.28; }
.blog-hero-panel p { color: rgba(255,255,255,.72); line-height: 1.7; }
.blog-hero-panel a { color: #fff; font-weight: 800; text-decoration: none; }

.blog-stats { position: relative; z-index: 3; margin-top: -26px; }
.blog-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 24px 28px; background: #fff; border: 1px solid var(--blog-border); border-radius: 18px; box-shadow: var(--blog-shadow); }
.blog-stats-grid div { display: grid; gap: 4px; text-align: center; border-right: 1px solid var(--blog-border); }
.blog-stats-grid div:last-child { border-right: 0; }
.blog-stats strong { font-size: 1.45rem; color: var(--blog-navy); }
.blog-stats span { color: var(--blog-muted); font-size: .86rem; }

.blog-section { padding: 88px 0; }
.blog-section-heading { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 28px; }
.blog-section-heading h2, .blog-seo-content h2, .blog-cta h2 { margin: 0; font-size: clamp(2rem, 3vw, 3rem); color: var(--blog-navy); letter-spacing: -.035em; }
.blog-section-heading p { margin: 10px 0 0; color: var(--blog-muted); }
.blog-search { position: relative; width: min(100%, 360px); }
.blog-search input { width: 100%; min-height: 50px; padding: 0 48px 0 16px; border: 1px solid var(--blog-border); border-radius: 12px; background: #fff; font: inherit; outline: none; }
.blog-search input:focus { border-color: var(--blog-blue); box-shadow: 0 0 0 4px rgba(30,103,214,.10); }
.blog-search > span:last-child { position: absolute; right: 17px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--blog-muted); }

.blog-category-filter { display: flex; gap: 9px; overflow-x: auto; padding: 4px 0 18px; scrollbar-width: thin; }
.blog-filter { flex: 0 0 auto; padding: 10px 15px; border: 1px solid var(--blog-border); border-radius: 999px; background: #fff; color: var(--blog-muted); font-weight: 700; cursor: pointer; }
.blog-filter.is-active, .blog-filter:hover { background: var(--blog-navy); border-color: var(--blog-navy); color: #fff; }

.blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.blog-card { display: flex; flex-direction: column; min-height: 100%; padding: 25px; background: #fff; border: 1px solid var(--blog-border); border-radius: var(--blog-radius); box-shadow: 0 12px 35px rgba(7,26,53,.055); transition: .22s ease; }
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--blog-shadow); border-color: #d4dce9; }
.blog-card[hidden] { display: none !important; }
.blog-card-featured { border-top: 4px solid var(--blog-orange); }
.blog-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 21px; }
.blog-card-icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 13px; color: #fff; font-weight: 900; }
.blog-color-orange { background: var(--blog-orange); }
.blog-color-blue { background: var(--blog-blue); }
.blog-color-purple { background: #7654d6; }
.blog-color-navy { background: var(--blog-navy); }
.blog-color-green { background: #1f9d72; }
.blog-feature-badge { padding: 6px 9px; border-radius: 999px; background: #fff2e8; color: #c7590d; font-size: .72rem; font-weight: 800; }
.blog-card-meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; color: var(--blog-muted); font-size: .79rem; font-weight: 700; }
.blog-card-meta a { color: var(--blog-blue); text-decoration: none; }
.blog-card-meta > * + *::before { content: "•"; margin-right: 10px; color: #bac2d0; }
.blog-card h2, .blog-card h3 { margin: 12px 0 12px; font-size: 1.28rem; line-height: 1.38; }
.blog-card h2 a, .blog-card h3 a { color: var(--blog-navy); text-decoration: none; }
.blog-card p { margin: 0 0 22px; color: var(--blog-muted); line-height: 1.7; font-size: .94rem; }
.blog-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--blog-border); }
.blog-card-footer time { color: var(--blog-muted); font-size: .78rem; }
.blog-read-more { color: var(--blog-orange-dark); font-weight: 800; text-decoration: none; font-size: .88rem; }
.blog-empty { padding: 50px; text-align: center; border: 1px dashed #cbd4e3; border-radius: 18px; background: #fff; }

.blog-cta { padding: 68px 0; background: linear-gradient(135deg, var(--blog-orange), #e45d08); color: #fff; }
.blog-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
.blog-cta .blog-kicker { color: #fff3e8; }
.blog-cta h2 { color: #fff; }
.blog-cta p { max-width: 760px; margin: 12px 0 0; color: rgba(255,255,255,.85); line-height: 1.7; }

.blog-seo-content { padding: 78px 0; background: #fff; }
.blog-seo-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: start; }
.blog-seo-content p { margin: 0 0 16px; color: var(--blog-muted); line-height: 1.9; }

.article-hero, .category-hero { padding: 74px 0 68px; background: linear-gradient(135deg, #06172f, #0d315f); color: #fff; }
.article-hero-inner { max-width: 920px; }
.article-breadcrumb { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 26px; color: rgba(255,255,255,.62); font-size: .86rem; }
.article-breadcrumb a { color: inherit; text-decoration: none; }
.article-hero h1, .category-hero h1 { margin: 0; max-width: 970px; font-size: clamp(2.35rem, 5vw, 4.35rem); line-height: 1.08; letter-spacing: -.045em; }
.article-lead, .category-hero p { max-width: 850px; margin: 22px 0 0; color: rgba(255,255,255,.76); font-size: 1.08rem; line-height: 1.75; }
.article-meta { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-top: 28px; color: rgba(255,255,255,.65); font-size: .84rem; }

.article-layout { display: grid; grid-template-columns: 250px minmax(0, 780px); justify-content: center; gap: 54px; padding-top: 66px; padding-bottom: 80px; }
.article-sidebar { align-self: start; position: sticky; top: 100px; display: grid; gap: 18px; }
.article-toc, .article-share { padding: 20px; background: #fff; border: 1px solid var(--blog-border); border-radius: 16px; }
.article-toc strong, .article-share strong { display: block; margin-bottom: 12px; color: var(--blog-navy); }
.article-toc nav { display: grid; gap: 9px; }
.article-toc a { color: var(--blog-muted); text-decoration: none; font-size: .85rem; line-height: 1.4; }
.article-toc a:hover { color: var(--blog-orange-dark); }
.article-toc a.is-sub { padding-left: 12px; }
.article-share { display: grid; gap: 8px; }
.article-share button { padding: 9px 11px; text-align: left; border: 1px solid var(--blog-border); border-radius: 9px; background: #fff; cursor: pointer; }
.article-content { padding: 42px 46px; background: #fff; border: 1px solid var(--blog-border); border-radius: 22px; box-shadow: 0 18px 50px rgba(7,26,53,.06); font-size: 1.04rem; line-height: 1.86; }
.article-content > p:first-child { font-size: 1.17rem; color: #344056; }
.article-content h2 { margin: 42px 0 14px; color: var(--blog-navy); font-size: 1.78rem; line-height: 1.25; letter-spacing: -.025em; }
.article-content h3 { margin: 30px 0 10px; color: var(--blog-navy-2); }
.article-content p, .article-content li { color: #49546a; }
.article-content a:not(.blog-button) { color: var(--blog-blue); }
.article-content hr { margin: 44px 0; border: 0; border-top: 1px solid var(--blog-border); }
.article-note, .article-warning { margin: 28px 0; padding: 20px 22px; border-radius: 14px; background: #eef5ff; border-left: 4px solid var(--blog-blue); color: #31415d; }
.article-warning { background: #fff4ea; border-left-color: var(--blog-orange); }
.related-posts { padding: 74px 0; background: #eef2f8; }
.blog-not-found { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 80px 0; }
.blog-not-found h1 { font-size: 3rem; color: var(--blog-navy); }

@media (max-width: 980px) {
    .blog-hero-grid { grid-template-columns: 1fr; }
    .blog-hero-panel { max-width: 680px; }
    .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; grid-template-columns: 1fr 1fr; }
    .blog-seo-grid { gap: 35px; }
}
@media (max-width: 720px) {
    .blog-shell { width: min(100% - 28px, 1180px); }
    .blog-hero { padding: 65px 0 58px; }
    .blog-hero h1 { font-size: clamp(2.25rem, 12vw, 3.35rem); }
    .blog-hero-panel { padding: 25px; }
    .blog-stats { margin-top: 0; background: #fff; }
    .blog-stats-grid { grid-template-columns: 1fr 1fr; box-shadow: none; border-radius: 0; padding-inline: 0; }
    .blog-stats-grid div { padding: 12px; }
    .blog-stats-grid div:nth-child(2) { border-right: 0; }
    .blog-stats-grid div:nth-child(-n+2) { border-bottom: 1px solid var(--blog-border); }
    .blog-section { padding: 58px 0; }
    .blog-section-heading { align-items: stretch; flex-direction: column; }
    .blog-search { width: 100%; }
    .blog-grid { grid-template-columns: 1fr; }
    .blog-card { padding: 22px; }
    .blog-cta-inner { align-items: flex-start; flex-direction: column; }
    .blog-seo-grid { grid-template-columns: 1fr; }
    .article-hero, .category-hero { padding: 55px 0 48px; }
    .article-hero h1, .category-hero h1 { font-size: clamp(2.1rem, 10vw, 3.2rem); }
    .article-layout { gap: 24px; padding-top: 32px; }
    .article-sidebar { grid-template-columns: 1fr; }
    .article-content { padding: 28px 22px; border-radius: 16px; }
    .article-content h2 { font-size: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
}