:root{
    --ink:#08111f;
    --ink-soft:#101b2d;
    --ink-2:#172437;
    --blue:#2f6fed;
    --blue-2:#4e83f4;
    --blue-soft:#eaf1ff;
    --sky:#f3f7ff;
    --paper:#ffffff;
    --canvas:#f5f7fa;
    --text:#101828;
    --muted:#667085;
    --muted-2:#98a2b3;
    --line:#e5e9f0;
    --line-dark:rgba(255,255,255,.12);
    --radius:22px;
    --radius-sm:14px;
    --max:1180px;
    --shadow:0 24px 65px rgba(17,34,68,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    color:var(--text);
    background:var(--canvas);
    line-height:1.68;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
}
a{color:var(--blue)}
img{max-width:100%;height:auto}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}

/* HEADER */
.site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(8,17,31,.08);
}
.header-inner{
    min-height:78px;
    display:grid;
    grid-template-columns:auto 1fr auto;
    align-items:center;
    gap:34px;
}
.brand{
    display:inline-flex;align-items:center;gap:11px;
    color:var(--ink);text-decoration:none;font-weight:800;letter-spacing:-.035em;
}
.brand-word{font-size:1.28rem}
.brand-word>span{color:var(--blue)}
.brand-symbol{
    width:31px;height:31px;border-radius:9px;background:var(--ink);
    display:grid;grid-template-columns:repeat(3,1fr);gap:3px;align-items:end;padding:7px;
    box-shadow:0 7px 18px rgba(8,17,31,.14);
}
.brand-symbol i{display:block;border-radius:2px 2px 1px 1px;background:#fff}
.brand-symbol i:nth-child(1){height:45%;opacity:.72}
.brand-symbol i:nth-child(2){height:70%;opacity:.86}
.brand-symbol i:nth-child(3){height:100%;background:#78a4ff}
.main-nav{display:flex;justify-content:center;align-items:center;gap:30px}
.main-nav a,.header-link{
    position:relative;color:#384455;font-size:.93rem;font-weight:650;text-decoration:none;transition:.18s ease;
}
.main-nav a:hover,.header-link:hover{color:var(--ink)}
.main-nav a.is-current{color:var(--ink)}
.main-nav a.is-current::after{
    content:"";position:absolute;left:0;right:0;bottom:-11px;height:2px;border-radius:10px;background:var(--blue);
}
.header-actions{display:flex;align-items:center;gap:18px}

/* BUTTONS */
.button{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;
    border-radius:12px;border:1px solid var(--blue);background:var(--blue);color:#fff;text-decoration:none;
    font-weight:760;letter-spacing:-.01em;box-shadow:0 9px 22px rgba(47,111,237,.18);
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.button:hover{color:#fff;background:#245fd4;transform:translateY(-1px);box-shadow:0 13px 26px rgba(47,111,237,.24)}
.button-small{min-height:42px;padding:0 17px;font-size:.91rem}
.button-secondary{background:#fff;color:var(--ink);border-color:rgba(8,17,31,.14);box-shadow:none}
.button-secondary:hover{background:#f8fafc;color:var(--ink);box-shadow:none}
.text-link{font-weight:750;text-decoration:none}
.light-link{color:#dfe9ff}
.light-link:hover{color:#fff}

/* HERO */
.hero{
    overflow:hidden;position:relative;color:#fff;
    background:
        radial-gradient(circle at 74% 20%,rgba(67,125,244,.34),transparent 29%),
        radial-gradient(circle at 17% 5%,rgba(61,112,222,.18),transparent 22%),
        linear-gradient(135deg,#07101f 0%,#0a1629 52%,#0c1a31 100%);
    border-bottom:1px solid rgba(255,255,255,.08);
}
.hero::after{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.16;
    background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
    background-size:44px 44px;
    mask-image:linear-gradient(to right,#000,transparent 85%);
}
.hero-inner{position:relative;z-index:1;max-width:930px;padding:92px 0 94px}
.hero h1{
    max-width:900px;margin:.18em 0 .34em;color:#fff;
    font-size:clamp(2.65rem,6vw,5.1rem);line-height:.99;letter-spacing:-.06em;font-weight:830;
}
.hero .lead{color:#b8c7db;max-width:760px;font-size:clamp(1.08rem,2vw,1.28rem);line-height:1.62}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero .button-secondary{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.16)}
.hero .button-secondary:hover{background:rgba(255,255,255,.11);color:#fff}
.eyebrow,.micro-label,.category{
    display:inline-flex;align-items:center;gap:8px;margin:0;color:var(--blue);
    font-size:.72rem;font-weight:830;letter-spacing:.12em;text-transform:uppercase;
}
.hero .eyebrow{color:#91b5ff}
.hero .eyebrow::before,.micro-label::before{
    content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px rgba(47,111,237,.11);
}

/* BASE TYPOGRAPHY */
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.035em}
h1{font-size:clamp(2.35rem,4.5vw,4.2rem);line-height:1.04;margin:.2em 0 .35em;font-weight:820}
h2{line-height:1.13}
.lead{font-size:1.18rem;color:var(--muted);max-width:780px}
.section{padding:60px 0}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px}
.section-heading h2{margin:.18em 0 0;font-size:clamp(1.65rem,3vw,2.35rem)}

/* ARCHIVE / CARDS */
.cards{display:grid;gap:18px}
.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card,.post-card,.side-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}
.card{
    padding:28px;display:flex;flex-direction:column;gap:9px;color:var(--text);text-decoration:none;
    box-shadow:0 12px 35px rgba(17,34,68,.04);
}
.card strong{color:var(--ink);font-size:1.25rem;letter-spacing:-.025em}
.card span{color:var(--muted)}
.post-card{
    position:relative;padding:30px 31px 29px;overflow:hidden;
    transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.post-card::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--blue);
    transform:scaleY(0);transform-origin:bottom;transition:transform .18s ease;
}
.post-card:hover{transform:translateY(-2px);border-color:#ccd9f1;box-shadow:var(--shadow)}
.post-card:hover::before{transform:scaleY(1)}
.post-card h2,.post-card h3{line-height:1.18;margin:.46em 0 .48em;letter-spacing:-.04em}
.post-card h2{font-size:1.65rem}
.post-card h3{font-size:1.35rem}
.post-card h2 a,.post-card h3 a{color:var(--ink);text-decoration:none}
.post-card p{margin-bottom:18px;color:var(--muted)}
.category{
    color:#3a69ca;background:var(--blue-soft);padding:7px 10px;border-radius:999px;letter-spacing:.075em;
}
.read-more{color:var(--ink);font-weight:760;text-decoration:none}
.read-more:hover{color:var(--blue)}

/* LAYOUT */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 328px;gap:34px;align-items:start}
.content-column{min-width:0}
.archive-header{margin-bottom:30px}
.archive-header h1{margin-top:.25em}
.archive-header p{color:var(--muted)}

/* SIDEBAR */
.sidebar{display:grid;gap:18px;position:sticky;top:101px}
.side-box{padding:24px}
.side-heading{margin-bottom:15px}
.side-box h2{margin:.38em 0 0;color:var(--ink);font-size:1.05rem;line-height:1.25;letter-spacing:-.025em}
.side-cta{
    position:relative;overflow:hidden;color:#fff;
    background:radial-gradient(circle at 92% 3%,rgba(77,133,255,.46),transparent 35%),linear-gradient(145deg,#08111f,#11213a);
    border-color:rgba(255,255,255,.08);box-shadow:0 18px 45px rgba(8,17,31,.17);
}
.side-cta::after{
    content:"";position:absolute;width:170px;height:170px;right:-80px;bottom:-100px;border:1px solid rgba(255,255,255,.13);
    border-radius:50%;box-shadow:0 0 0 24px rgba(255,255,255,.025),0 0 0 48px rgba(255,255,255,.018);
}
.side-cta>*{position:relative;z-index:1}
.side-cta .micro-label{color:#8fb3ff}
.side-cta h2{color:#fff;font-size:1.37rem;margin:.55em 0 .55em}
.side-cta p{color:#b9c7d9;font-size:.94rem}
.side-actions{display:flex;align-items:center;gap:15px;flex-wrap:wrap;margin-top:20px}
.side-cta .button{min-height:42px;padding:0 15px;font-size:.88rem}
.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding-top:19px;margin-top:20px;border-top:1px solid rgba(255,255,255,.11)}
.mini-stats span{color:#aebdd0;font-size:.72rem;line-height:1.35}
.mini-stats strong{display:block;color:#fff;font-size:.98rem;margin-bottom:2px}
.side-list,.category-list{list-style:none;padding:0;margin:0}
.side-list li+li{border-top:1px solid var(--line)}
.side-list a{
    display:grid;grid-template-columns:1fr auto;gap:10px;padding:12px 0;color:#344054;
    font-size:.91rem;line-height:1.35;text-decoration:none;
}
.side-list a:hover{color:var(--blue)}
.side-list b{font-size:.8rem;color:#a0a9b6}
.category-list{display:grid;gap:7px}
.category-list a{
    display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 12px;border-radius:11px;
    background:#f8fafc;color:#344054;text-decoration:none;font-size:.9rem;font-weight:650;
}
.category-list a:hover{background:var(--blue-soft);color:var(--blue)}
.category-list small{
    min-width:25px;height:25px;display:grid;place-items:center;border-radius:7px;background:#fff;
    border:1px solid var(--line);color:#7c8797;
}

/* ARTICLE */
.article{
    background:var(--paper);border:1px solid var(--line);border-radius:28px;
    padding:clamp(30px,5.5vw,66px);box-shadow:0 18px 60px rgba(17,34,68,.045);
}
.article-header{padding-bottom:34px;margin-bottom:28px;border-bottom:1px solid var(--line)}
.article-header h1{
    max-width:900px;margin:.34em 0 .32em;font-size:clamp(2.25rem,4.3vw,4rem);
    line-height:1.02;letter-spacing:-.055em;
}
.article-header .lead{font-size:1.16rem;line-height:1.6}
.article-header small{display:block;margin-top:17px;color:var(--muted-2)}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:28px;color:#98a2b3;font-size:.82rem}
.breadcrumbs a{color:#667085;text-decoration:none}
.breadcrumbs a:hover{color:var(--blue)}
.article-body{max-width:820px;font-size:1.075rem;line-height:1.78;color:#344054}
.article-body p{margin:0 0 1.25em}
.article-body h2{
    position:relative;margin:2.25em 0 .72em;padding-top:.15em;color:var(--ink);
    font-size:1.78rem;line-height:1.15;letter-spacing:-.04em;
}
.article-body h2::before{content:"";display:block;width:38px;height:3px;margin-bottom:14px;border-radius:20px;background:var(--blue)}
.article-body h3{margin:1.8em 0 .65em;font-size:1.28rem}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.35em}
.article-body li{margin:.5em 0;padding-left:.2em}
.article-body li::marker{color:var(--blue)}
.article-body a{color:#245fd4;font-weight:700;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body blockquote{margin:2em 0;padding:20px 24px;background:var(--sky);border-left:3px solid var(--blue);border-radius:0 14px 14px 0}
.article-cta{
    position:relative;overflow:hidden;margin:44px 0 8px;padding:30px;color:#fff;
    background:radial-gradient(circle at 88% 8%,rgba(73,130,255,.45),transparent 35%),var(--ink);
    border:1px solid rgba(255,255,255,.06);border-radius:20px;
}
.article-cta strong{display:block;color:#fff;font-size:1.28rem;letter-spacing:-.03em}
.article-cta p{max-width:650px;margin:.55em 0 1.15em;color:#bdc9d8}
.article-cta .button{color:#fff;text-decoration:none}

/* FOOTER */
.site-footer{margin-top:70px;background:#07101f;color:#9caabd;border-top:1px solid rgba(255,255,255,.06)}
.footer-top{display:grid;grid-template-columns:2.1fr 1fr 1.15fr 1.15fr;gap:46px;padding:58px 0 46px}
.brand-footer{color:#fff;margin-bottom:16px}
.brand-footer .brand-word>span{color:#7ea7ff}
.footer-brand p{max-width:430px;margin:0;color:#9caabd;font-size:.91rem}
.footer-column{display:flex;flex-direction:column;align-items:flex-start;gap:9px}
.footer-column h2{margin:4px 0 7px;color:#fff;font-size:.77rem;letter-spacing:.1em;text-transform:uppercase}
.footer-column a,.footer-column span{color:#9caabd;font-size:.87rem;text-decoration:none}
.footer-column a:hover{color:#fff}
.footer-bottom{
    display:flex;justify-content:space-between;gap:28px;padding:22px 0 30px;
    border-top:1px solid rgba(255,255,255,.09);color:#77869a;font-size:.76rem;
}

/* RESPONSIVE */
@media(max-width:1020px){
    .header-inner{grid-template-columns:auto 1fr}
    .main-nav{display:none}
    .header-actions{justify-self:end}
    .layout{grid-template-columns:minmax(0,1fr) 300px;gap:24px}
    .footer-top{grid-template-columns:2fr 1fr 1fr}
    .footer-column:last-child{grid-column:2/4}
}
@media(max-width:860px){
    .layout{grid-template-columns:1fr}
    .sidebar{position:static;grid-template-columns:1fr 1fr}
    .side-cta{grid-column:1/-1}
    .hero-inner{padding:70px 0 74px}
    .cards-3{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
    .container{width:min(100% - 28px,var(--max))}
    .site-header{position:static}
    .header-inner{min-height:68px;grid-template-columns:1fr auto;gap:10px}
    .header-link{display:none}
    .brand-word{font-size:1.1rem}
    .brand-symbol{width:28px;height:28px}
    .button-small{min-height:38px;padding:0 13px;font-size:.82rem}
    .hero-inner{padding:54px 0 58px}
    .hero h1{font-size:clamp(2.45rem,12vw,3.55rem)}
    .section{padding:40px 0}
    .cards-2,.cards-3{grid-template-columns:1fr}
    .post-card{padding:24px}
    .post-card h2{font-size:1.43rem}
    .article{padding:24px;border-radius:20px}
    .article-header h1{font-size:clamp(2.05rem,10vw,3rem)}
    .article-body{font-size:1rem}
    .article-body h2{font-size:1.5rem}
    .sidebar{grid-template-columns:1fr}
    .side-cta{grid-column:auto}
    .footer-top{grid-template-columns:1fr 1fr;gap:34px 24px}
    .footer-brand{grid-column:1/-1}
    .footer-column:last-child{grid-column:auto}
    .footer-bottom{flex-direction:column;gap:8px}
}