:root{--blue:#2f6bff;--blue-soft:#5b8bff;--white:#fff;--ink:#12203c;--slate:#54617c;--line:#dfe4ee;--ground:#f6f8fc;--card:#fff;
--p2:#eef3fb;--p3:#e6ecf7;--on-p:#12203c;--on-p-dim:#55627d;--p-border:#dbe2ee;--p-line:#cfd8e8;--accent:#2f6bff;}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ink:#eef2fb;--slate:#9fb0d0;--line:#22314f;--ground:#070d1c;--card:#0d1a34;
--p2:#0a1730;--p3:#060f22;--on-p:#eef2fb;--on-p-dim:#9fb0d0;--p-border:rgba(255,255,255,.08);--p-line:rgba(255,255,255,.16);--accent:#5b8bff;}}
:root[data-theme="dark"]{--ink:#eef2fb;--slate:#9fb0d0;--line:#22314f;--ground:#070d1c;--card:#0d1a34;
--p2:#0a1730;--p3:#060f22;--on-p:#eef2fb;--on-p-dim:#9fb0d0;--p-border:rgba(255,255,255,.08);--p-line:rgba(255,255,255,.16);--accent:#5b8bff;}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:"Helvetica Neue",Helvetica,"Segoe UI",Roboto,Arial,sans-serif;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3,.serif{font-family:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;font-weight:600;letter-spacing:-.01em;text-wrap:balance}
a{color:inherit}.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.lg-white{display:none}.lg-navy{display:block}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .lg-white{display:block}:root:not([data-theme="light"]) .lg-navy{display:none}:root:not([data-theme="light"]) .ic-sun{display:block}:root:not([data-theme="light"]) .ic-moon{display:none}}
:root[data-theme="dark"] .lg-white{display:block}:root[data-theme="dark"] .lg-navy{display:none}
:root[data-theme="light"] .lg-white{display:none}:root[data-theme="light"] .lg-navy{display:block}
header.nav{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--p2) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--p-border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.mark{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--on-p)}
.mark img{height:30px;width:auto}
.mark .word{font-family:"Helvetica Neue",Arial,sans-serif;text-transform:uppercase;letter-spacing:.34em;font-weight:500;font-size:19px;padding-left:4px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{text-decoration:none;color:var(--on-p-dim);font-size:14.5px}
.nav-links a:hover{color:var(--accent)}
.nav-cta{background:var(--blue);color:#fff!important;padding:11px 20px;border-radius:4px;font-weight:600}
.nav-cta:hover{background:#1f57e6}
@media(max-width:820px){.nav-links a:not(.nav-cta){display:none}}
.theme-btn{background:transparent;border:1px solid var(--p-line);color:var(--on-p);width:38px;height:38px;border-radius:8px;display:grid;place-items:center;cursor:pointer}
.theme-btn:hover{border-color:var(--accent);color:var(--accent)}.theme-btn svg{width:18px;height:18px}
.ic-sun{display:none}.ic-moon{display:block}
:root[data-theme="dark"] .ic-sun{display:block}:root[data-theme="dark"] .ic-moon{display:none}
:root[data-theme="light"] .ic-sun{display:none}:root[data-theme="light"] .ic-moon{display:block}
.hero{background:var(--p2);color:var(--on-p);padding:72px 0 44px;border-bottom:1px solid var(--p-border)}
.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:12.5px;font-weight:700;color:var(--accent)}
.hero h1{font-size:clamp(30px,4.5vw,50px);line-height:1.08;margin:16px 0 0;max-width:20ch}
.hero p{color:var(--on-p-dim);font-size:19px;margin:16px 0 0;max-width:60ch}
main{padding:80px 0 48px}
.post-list{margin-top:8px}
.post-list{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:760px){.post-list{grid-template-columns:1fr}}
.post-card{display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px 24px;transition:transform .2s,box-shadow .2s,border-color .2s}
.post-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(10,23,48,.12);border-color:color-mix(in srgb,var(--blue) 40%,var(--line))}
.post-card .tag{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.post-card h2{font-size:22px;margin:12px 0 8px;line-height:1.2}
.post-card p{margin:0;color:var(--slate);font-size:15.5px}
.post-card .more{display:inline-block;margin-top:14px;color:var(--accent);font-weight:600;font-size:14.5px}
article.post{max-width:720px;margin:0 auto}
article.post .meta{color:var(--slate);font-size:14px;margin:0 0 8px}
article.post h1{font-size:clamp(28px,4vw,44px);line-height:1.1;margin:0 0 18px}
article.post h2{font-size:26px;margin:38px 0 12px}
article.post h3{font-size:20px;margin:26px 0 8px}
article.post p{margin:0 0 18px}
article.post ul{margin:0 0 18px;padding-left:22px}article.post li{margin:0 0 8px}
article.post a{color:var(--accent);text-decoration:underline}
.lead{font-size:20px;color:var(--slate)}
.callout{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:0 10px 10px 0;padding:18px 20px;margin:24px 0}
.callout strong{color:var(--ink)}
.cta-box{background:var(--p2);border:1px solid var(--p-border);border-radius:14px;padding:28px 26px;margin:40px 0 0;text-align:center}
.cta-box h3{font-size:22px;margin:0 0 8px;color:var(--on-p)}
.cta-box p{color:var(--on-p-dim);margin:0 0 18px}
.btn{display:inline-block;text-decoration:none;background:var(--blue);color:#fff;padding:13px 26px;border-radius:4px;font-weight:600;font-size:15.5px}
.btn:hover{background:#1f57e6}
.back{display:inline-block;margin:0 0 26px;color:var(--accent);text-decoration:none;font-size:14.5px;font-weight:600}
footer{background:var(--p3);color:var(--on-p-dim);padding:44px 0;margin-top:56px;border-top:1px solid var(--p-border);font-size:14px}
.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
footer a{color:var(--on-p-dim);text-decoration:none}footer a:hover{color:var(--on-p)}
.focus-ring:focus-visible{outline:2px solid var(--blue-soft);outline-offset:3px;border-radius:3px}

  .nav-menu{display:contents}
  .nav-toggle{display:none;background:transparent;border:1px solid var(--p-line);color:var(--on-p);width:40px;height:40px;border-radius:8px;cursor:pointer}
  .nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
  .nav-toggle svg{width:22px;height:22px}
  @media (max-width:820px){
    .nav-toggle{display:inline-grid;place-items:center}
    .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:8px 20px 18px;background:color-mix(in srgb,var(--p2) 97%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--p-border);box-shadow:0 24px 40px rgba(0,0,0,.22)}
    .nav-inner.menu-open .nav-menu{display:flex}
    .nav-inner.menu-open .nav-menu>a{display:block;padding:13px 4px;font-size:17px;color:var(--on-p);border-bottom:1px solid var(--p-border)}
    .nav-inner.menu-open .nav-menu>a::after{display:none}
    .nav-inner.menu-open .nav-menu>.theme-btn{display:inline-grid;margin-top:12px}
  }