:root{
  --bg:#0B1220;--bg2:#0D1B2C;--surface:#111C2E;--line:#1C2A42;--dim:#263A5A;
  --fg:#E8EEF7;--mute:#8DA2C0;--accent:#4BC5BC;--accent-ink:#06201E;
  --sans:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --r:14px;--max:1160px;--read:720px;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.kicker{font-family:var(--mono);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}

/* nav + footer (same as home) */
.nav{position:sticky;top:0;z-index:20;background:rgba(11,18,32,.88);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.mark{display:inline-flex;align-items:baseline;gap:.28em;text-decoration:none;font-size:22px;letter-spacing:-.02em}
.mark b{font-weight:700}.mark span{font-weight:300}
.mark i{width:.32em;height:.32em;border-radius:50%;background:var(--accent);display:inline-block;margin-left:.08em}
.nav nav{display:flex;align-items:center;gap:28px;font-size:15px}
.nav nav a{text-decoration:none;color:var(--mute);transition:color .2s}
.nav nav a:hover,.nav nav a[aria-current]{color:var(--fg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 15px/1 var(--sans);text-decoration:none;border-radius:999px;padding:15px 24px;border:1px solid transparent;cursor:pointer;transition:transform .2s,background-color .2s,border-color .2s}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:#63d3cb;transform:translateY(-1px)}
.btn-ghost{border-color:var(--dim);color:var(--fg)}
.btn-sm{padding:11px 18px;font-size:14px}
.nav nav a.btn-primary{color:var(--accent-ink)}
footer{border-top:1px solid var(--line);padding:44px 0 56px;margin-top:40px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:center}
footer p{font-size:14px;color:var(--mute)}
footer nav{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:14px;color:var(--mute)}
footer nav>*{white-space:nowrap}
footer nav a{text-decoration:none}footer nav a:hover{color:var(--fg)}

/* insights index */
.ihead{padding:72px 0 40px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg),var(--bg2))}
.ihead h1{font-size:clamp(36px,5vw,56px);letter-spacing:-.02em;line-height:1.08;margin-top:14px;max-width:18ch}
.ihead p{color:var(--mute);font-size:19px;max-width:60ch;margin-top:18px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:48px 0 24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:28px;text-decoration:none;display:flex;flex-direction:column;transition:border-color .25s,transform .25s}
.card:hover{border-color:var(--dim);transform:translateY(-2px)}
.card .tag{font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.card h2{font-size:21px;line-height:1.25;letter-spacing:-.01em;margin-top:12px}
.card p{color:var(--mute);font-size:15px;margin-top:12px;flex:1}
.card .more{margin-top:18px;font-size:14px;font-weight:600}

/* article */
.crumbs{font-size:14px;color:var(--mute);padding-top:40px}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--fg)}
.ahead{max-width:var(--read);margin:0 auto;padding:16px 0 32px;border-bottom:1px solid var(--line)}
.ahead h1{font-size:clamp(32px,4.6vw,48px);letter-spacing:-.02em;line-height:1.12;margin-top:14px}
.ahead .dek{color:var(--mute);font-size:19px;margin-top:18px}
.ahead .meta{font-family:var(--mono);font-size:12.5px;color:var(--mute);margin-top:20px;letter-spacing:.04em}
.prose{max-width:var(--read);margin:0 auto;padding:36px 0 8px}
.prose h2{font-size:27px;letter-spacing:-.015em;line-height:1.2;margin:48px 0 14px}
.prose h3{font-size:20px;margin:32px 0 10px}
.prose p{margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 20px 22px}
.prose li{margin:6px 0}
.prose li::marker{color:var(--accent)}
.prose strong{font-weight:600}
.prose a{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:3px}
.prose table{width:100%;border-collapse:collapse;margin:8px 0 24px;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);font-weight:400}
.prose blockquote{margin:24px 0;padding:18px 22px;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--fg)}
.prose .src{font-family:var(--mono);font-size:12.5px;color:var(--mute)}
.cta-box{max-width:var(--read);margin:36px auto;padding:26px 28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta-box p{font-size:17px;max-width:44ch}
.cta-box p span{display:block;color:var(--mute);font-size:15px;margin-top:4px}
.faq{max-width:var(--read);margin:0 auto;padding:8px 0 16px}
.faq h2{font-size:27px;letter-spacing:-.015em;margin:40px 0 8px}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--accent);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--mute);margin-top:10px}
.related{max-width:var(--read);margin:24px auto 0;padding-top:24px;border-top:1px solid var(--line)}
.related h2{font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);font-weight:400}
.related ul{list-style:none;margin-top:12px}
.related li{padding:10px 0;border-bottom:1px solid var(--line)}
.related a{text-decoration:none}.related a:hover{color:var(--accent)}

/* form block (same markup as home) */
.contact{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:80px 0;margin-top:56px}
.contact .wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.contact h2{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.02em;line-height:1.1;margin-top:12px}
.contact .lede{color:var(--mute);margin-top:16px;max-width:52ch}
.mail{display:inline-flex;margin-top:24px;font-size:16px;color:var(--mute);gap:8px}
.mail a{color:var(--fg);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:4px}
form{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:32px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
label{font-size:14px;font-weight:600}
label .opt{font-weight:400;color:var(--mute)}
input,select,textarea{width:100%;font:16px/1.4 var(--sans);color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 14px;transition:border-color .2s,box-shadow .2s;appearance:none;-webkit-appearance:none}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238DA2C0' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
textarea{min-height:112px;resize:vertical}
input::placeholder,textarea::placeholder{color:#7489A8}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(75,197,188,.18)}
.consent{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;margin:4px 0 14px;font-size:13.5px;line-height:1.5;color:var(--mute);font-weight:400;cursor:pointer}
.consent input{width:20px;height:20px;padding:0;margin-top:1px;border-radius:5px;border:1px solid var(--dim);cursor:pointer;display:grid;place-items:center}
.consent input:checked{background:var(--accent);border-color:var(--accent)}
.consent input:checked{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3.2 3.2L15 7' fill='none' stroke='%2306201E' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-size:16px;background-position:center;background-repeat:no-repeat}
.consent strong{color:var(--fg);font-weight:600}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.cf-turnstile{margin:6px 0 4px;min-height:65px}
form .btn{width:100%;margin-top:10px;padding:17px 24px;font-size:16px}
form .btn[disabled]{opacity:.6;cursor:progress}
.priv{margin-top:16px;font-size:12.5px;color:var(--mute);line-height:1.5}
.status{margin-top:14px;font-size:14.5px;min-height:1.4em}
.status.err{color:#F2A7A0}
.done{display:none;padding:8px 0}
.done h3{font-size:26px;margin-top:14px}
.done p{color:var(--mute);margin-top:12px}
form.sent .fields{display:none}form.sent .done{display:block}

@media (max-width:980px){
  .cards{grid-template-columns:1fr 1fr}
  .contact .wrap{grid-template-columns:1fr;gap:40px}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .nav nav a:not(.btn){display:none}
  .cards,.row{grid-template-columns:1fr}
  .row{gap:0}
  .prose,.ahead,.faq,.related,.cta-box{padding-left:0;padding-right:0}
  .cta-box{margin:32px 16px;padding:22px}
  .prose h2{font-size:23px}
  form{padding:22px 18px}
  .contact{padding:56px 0}
}
@media (max-width:760px){.article-wrap{padding:0 16px}}