:root{--navy:#0B1628;--navy3:#1C2E48;--teal:#00C9A7;--teal2:#009e83;--tealink:#007A66;--cream:#F0EDE6;--white:#FDFAF5;--muted:#8FA0B5;--amber:#F0A500;--border:rgba(255,255,255,.08);
 --bg:#F4F2EF;--ink:#16202E;--ink2:#4A5565;--card:#fff;--line:#E4E0DA;
 --sans:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.6;padding-top:68px;overflow-x:clip}
a{text-decoration:none;color:var(--tealink)}
.skip{position:absolute;left:-999px;top:0;background:var(--teal);color:var(--navy);padding:.6rem 1rem;z-index:1000;font:bold .9rem var(--sans)}
.skip:focus{left:8px;top:8px}
a:focus-visible,button:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:6px}
/* nav + footer: keep the dark SecBridge brand frame */
body>nav{position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(11,22,40,.97);border-bottom:1px solid var(--border);padding:1rem 6%;display:flex;align-items:center;justify-content:space-between}
.logo{font:bold 1.5rem Georgia,serif;color:var(--white)}.logo span{color:var(--teal)}
.nav-links{display:flex;gap:2rem;align-items:center;list-style:none}
.nav-links a{font:.85rem Arial,sans-serif;color:var(--muted)}.nav-links a:hover,.nav-links a.cur{color:var(--white)}
.nav-links .nav-btn{background:var(--teal);color:var(--navy);padding:.45rem 1.1rem;border-radius:5px;font-weight:bold}
.nav-links .nav-btn:hover{background:var(--teal2);color:var(--navy)}
footer{background:var(--navy);padding:1.75rem 6%;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-top:3rem}
.foot-logo{font:bold 1.1rem Georgia,serif;color:var(--white)}.foot-logo span{color:var(--teal)}
footer p{font:.78rem Arial,sans-serif;color:var(--muted)}
.foot-links{display:flex;gap:1.25rem;flex-wrap:wrap;font:.78rem Arial,sans-serif}.foot-links a{color:var(--muted)}.foot-links a:hover{color:var(--teal)}
/* page */
.wrap{max-width:1000px;margin:0 auto;padding:4rem 5% 1rem}
h1{font-size:clamp(2rem,4.5vw,2.9rem);font-weight:800;letter-spacing:-.02em;line-height:1.1;color:var(--ink);margin-bottom:.9rem}
.lead{font-size:1.05rem;color:var(--ink2);max-width:60ch;margin-bottom:2.4rem}
.spot-label{display:flex;align-items:center;gap:.5rem;font:600 .75rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--tealink);margin-bottom:1rem}
.cat{font:500 .68rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#5C6675;margin-bottom:.5rem}
.card{background:var(--card);border-radius:22px;padding:.8rem;position:relative;box-shadow:0 1px 2px rgba(22,32,46,.04);transition:transform .3s,box-shadow .3s}
.card:hover,.card:focus-within{transform:translateY(-3px);box-shadow:0 14px 34px rgba(22,32,46,.12)}
.cover{display:block;border-radius:14px;overflow:hidden;aspect-ratio:600/270;background:var(--navy3)}
.cover svg,.cover img,.hero-img svg,.hero-img img{display:block;width:100%;height:100%;object-fit:cover}
.card .txt{padding:1.1rem .7rem .7rem}
.card h2{font-size:1.3rem;font-weight:800;letter-spacing:-.01em;line-height:1.25;margin-bottom:.6rem}
.card h2 a{color:var(--ink)}.card h2 a::after{content:'';position:absolute;inset:0;border-radius:22px}
.ex{font-size:.95rem;color:var(--ink2);margin-bottom:1rem}
.by{display:flex;align-items:center;flex-wrap:wrap;gap:.45rem;font-size:.8rem;color:#5C6675}
.by .dot{opacity:.6}
.av{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--teal),#5B6CFF);color:#fff;display:inline-grid;place-items:center;font:700 .68rem var(--sans)}
.spot{display:grid;grid-template-columns:1.1fr 1fr;gap:1.6rem;align-items:stretch;padding:1rem;margin-bottom:2.2rem}
.spot .cover{aspect-ratio:auto;min-height:280px;height:100%}
.spot .txt{padding:.8rem .6rem .6rem 0;display:flex;flex-direction:column;justify-content:center}
.spot h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.15}
.spot .ex{font-size:1rem}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.6rem;margin-bottom:2.5rem}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;margin:1.6rem 0 0}
.tags li{font:.7rem var(--mono);letter-spacing:.04em;color:#44505F;padding:.25rem .7rem;border-radius:99px;background:#fff;border:1px solid var(--line)}
/* article */
.post{max-width:760px}
.crumbs{font-size:.88rem;margin-bottom:1.6rem;font-weight:600}
.post .by{margin-bottom:1.6rem}
.hero-img{border-radius:20px;overflow:hidden;aspect-ratio:600/270;margin-bottom:2.2rem;background:var(--navy3)}
.prose{font-size:1.08rem;line-height:1.8;color:#27313F}
.prose p{margin:0 0 1.25rem}
.prose h2{font-size:1.55rem;font-weight:800;letter-spacing:-.01em;color:var(--ink);margin:2.4rem 0 .8rem;line-height:1.25}
.prose h3{font-size:1.2rem;font-weight:700;color:var(--ink);margin:1.8rem 0 .6rem}
.prose ul,.prose ol{margin:0 0 1.25rem 1.4rem}.prose li{margin-bottom:.45rem}
.prose li::marker{color:var(--tealink)}
.prose a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(0,122,102,.4)}.prose a:hover{text-decoration-color:var(--tealink)}
.prose strong{color:var(--ink)}
.prose code{font:.9em var(--mono);background:#E9E5DF;padding:.1em .4em;border-radius:4px}
.prose blockquote{border-left:3px solid var(--tealink);background:#E6F4F0;padding:1rem 1.2rem;margin:0 0 1.25rem;border-radius:0 12px 12px 0}
.prose blockquote p{margin:0}
.cta{margin:2.8rem 0 1.5rem;padding:2rem;border-radius:22px;text-align:center;background:radial-gradient(500px 220px at 50% 0,rgba(0,201,167,.28),transparent 70%),var(--navy);color:var(--cream)}
.cta h2{font:700 1.5rem Georgia,serif;color:var(--white);margin-bottom:.5rem}
.cta p{font-size:.98rem;color:#C9D4E2;max-width:52ch;margin:0 auto 1.3rem}
.btn-main{display:inline-block;background:var(--teal);color:var(--navy);font-weight:700;font-size:.92rem;padding:.85rem 1.75rem;border-radius:8px}
.btn-main:hover{background:#2FE0C2}
.pn{display:flex;justify-content:space-between;gap:1rem;margin-top:1.2rem}
.pn a{flex:1;max-width:48%;padding:1rem 1.2rem;background:#fff;border-radius:16px;color:var(--ink);font-weight:700;font-size:.95rem;line-height:1.3;transition:box-shadow .3s}
.pn a:hover{box-shadow:0 10px 26px rgba(22,32,46,.12)}.pn a.r{text-align:right;margin-left:auto}
.pn small{display:block;font:500 .68rem var(--mono);letter-spacing:.1em;text-transform:uppercase;color:#5C6675;margin-bottom:.3rem}
@media (max-width:860px){body>nav{padding:1rem 5%}.nav-links li:not(:last-child){display:none}.nav-links{gap:0}
 .spot{grid-template-columns:1fr;gap:0}.spot .cover{min-height:0;aspect-ratio:600/270}.spot .txt{padding:1.1rem .7rem .7rem}
 .grid{grid-template-columns:1fr}.wrap{padding-top:2.5rem}}
@media (max-width:560px){.pn{flex-direction:column}.pn a{max-width:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card,.pn a{transition:none}.card:hover{transform:none}}
/* MOBILE MENU */
.nav-toggle{display:none;background:none;border:1px solid rgba(0,201,167,.25);border-radius:8px;width:44px;height:44px;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--cream);border-radius:2px;transition:transform .2s,opacity .2s}
@media (max-width:860px){
 .nav-toggle{display:flex}
 body>nav .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#0B1628;border-bottom:1px solid rgba(255,255,255,.08);padding:.4rem 5% 1.2rem;max-height:calc(100vh - 70px);overflow-y:auto}
 body>nav.open .nav-links{display:flex}
 body>nav .nav-links li{border-bottom:1px solid rgba(255,255,255,.08)}
 body>nav .nav-links li:last-child{border:0;padding-top:1rem}
 body>nav .nav-links a{display:block;padding:.95rem 0;font-size:1rem}
 body>nav .nav-links a.nav-btn{text-align:center;padding:.85rem 1.4rem}
 body>nav.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
 body>nav.open .nav-toggle span:nth-child(2){opacity:0}
 body>nav.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media (prefers-reduced-motion:reduce){.nav-toggle span{transition:none}}