/* SPAIKING blog + article styles. Shared by the blog index and every article. */
:root{
  --navy:#0B132B;--blue:#2563FF;--blue-d:#1D4FD8;--cyan:#00D4FF;--violet:#6366F1;
  --amber:#F59E0B;--green:#16A34A;--coral:#EF4444;
  --slate:#475569;--slate2:#64748B;--gray:#E5EAF2;--gray2:#F1F5FB;--bg:#F7F9FC;--ink:#0B132B;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:#fff;line-height:1.68;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* nav */
nav.blognav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--gray)}
.blognav .row{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;color:var(--ink)}
.logo .ai{color:var(--cyan)}
.soundwave{display:inline-flex;gap:3px;align-items:center}
.soundwave i{width:4px;border-radius:3px;background:linear-gradient(var(--blue),var(--cyan))}
.blognav .links{display:flex;gap:26px;font-weight:500;color:var(--slate);font-size:15px}
.blognav .links a:hover{color:var(--ink);text-decoration:none}
.blognav .cta{background:var(--blue);color:#fff;padding:9px 18px;border-radius:12px;font-weight:600;font-size:15px}
.blognav .cta:hover{text-decoration:none;background:var(--blue-d)}
@media(max-width:820px){.blognav .links{display:none}}

/* article shell */
.article{max-width:760px;margin:0 auto;padding:36px 24px 20px}
.breadcrumb{font-size:13px;color:var(--slate2);margin-bottom:20px}
.breadcrumb a{color:var(--slate)}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--blue)}
.article h1{font-size:clamp(30px,5vw,44px);line-height:1.1;font-weight:800;letter-spacing:-.02em;margin:12px 0 14px;text-wrap:balance}
.meta{display:flex;align-items:center;gap:12px;color:var(--slate);font-size:14px;margin-bottom:24px;flex-wrap:wrap}
.meta .dot{width:4px;height:4px;border-radius:50%;background:var(--slate2)}
.author-chip{display:inline-flex;align-items:center;gap:9px}
.author-chip .av{width:34px;height:34px;border-radius:50%;background:linear-gradient(120deg,var(--blue),var(--cyan))}
.lede{font-size:19px;color:#26324a;line-height:1.6;margin:0 0 26px}

/* body typography */
.body{font-size:17.5px;color:#20293c}
.body p{margin:18px 0}
.body h2{font-size:27px;font-weight:800;letter-spacing:-.015em;margin:44px 0 12px;line-height:1.2;scroll-margin-top:80px}
.body h3{font-size:21px;font-weight:700;margin:30px 0 8px;scroll-margin-top:80px}
.body ul,.body ol{margin:16px 0 16px 26px}
.body li{margin:9px 0}
.body strong{font-weight:700;color:var(--ink)}
.body blockquote{border-left:4px solid var(--blue);background:var(--gray2);padding:16px 22px;border-radius:0 12px 12px 0;margin:24px 0;font-size:18px;color:#26324a}
.body a{font-weight:500}
.body img{border-radius:14px;margin:24px 0}
.body figure{margin:24px 0}
.body figcaption{font-size:14px;color:var(--slate);text-align:center;margin-top:8px}
.body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15.5px}
.body th,.body td{text-align:left;padding:12px 15px;border:1px solid var(--gray)}
.body th{background:var(--gray2);font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--slate);font-weight:700}
.tablewrap{overflow-x:auto}

/* table of contents */
.toc{background:var(--gray2);border:1px solid var(--gray);border-radius:16px;padding:22px 24px;margin:8px 0 30px}
.toc h2{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--slate);margin:0 0 12px}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:32px}
.toc li{margin:7px 0;font-size:15px}
@media(max-width:560px){.toc ol{columns:1}}

/* key-takeaway / callout */
.callout{border:1px solid var(--gray);border-left:4px solid var(--amber);background:#fff;border-radius:0 14px 14px 0;padding:18px 22px;margin:26px 0}
.callout.tip{border-left-color:var(--blue)}
.callout .t{font-weight:700;margin-bottom:4px}
.keybox{background:var(--navy);color:#fff;border-radius:16px;padding:22px 24px;margin:26px 0}
.keybox h3{color:#fff;margin:0 0 8px;font-size:17px}
.keybox ul{margin:0 0 0 20px}.keybox li{margin:7px 0;color:#d7e0f2}

/* in-article app CTA */
.appcta{background:linear-gradient(120deg,#0B132B,#131C36);color:#fff;border-radius:20px;padding:28px 28px;margin:34px 0;text-align:center}
.appcta h3{color:#fff;font-size:22px;margin:0 0 6px;letter-spacing:-.01em}
.appcta p{color:#9fb0d0;margin:0 0 16px;font-size:15.5px}
.appbadges{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;align-items:center}
.appbadges a{line-height:0}
.appbadge{display:inline-flex;line-height:0}

/* author box */
.authorbox{display:flex;gap:16px;align-items:flex-start;background:var(--gray2);border:1px solid var(--gray);border-radius:16px;padding:22px;margin:38px 0 10px}
.authorbox .av{width:52px;height:52px;border-radius:50%;background:linear-gradient(120deg,var(--blue),var(--cyan));flex:0 0 auto}
.authorbox b{font-size:16px}
.authorbox p{font-size:14.5px;color:var(--slate);margin:4px 0 0}

/* faq */
.faqsec{margin:40px 0 10px}
.faqsec h2{font-size:27px;font-weight:800;margin-bottom:8px}
.faqsec details{border-bottom:1px solid var(--gray);padding:18px 0}
.faqsec summary{font-weight:650;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;font-size:17px}
.faqsec summary::-webkit-details-marker{display:none}
.faqsec summary::after{content:"+";color:var(--slate);font-size:22px}
.faqsec details[open] summary::after{content:"\00d7"}
.faqsec details p{margin-top:10px;color:#26324a;font-size:16px}

/* related */
.related{margin:44px 0 0}
.related h2{font-size:22px;margin-bottom:14px}
.relgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.relgrid{grid-template-columns:1fr}}
.relcard{border:1px solid var(--gray);border-radius:14px;padding:18px;display:block}
.relcard:hover{border-color:var(--blue);box-shadow:0 10px 26px rgba(11,19,43,.07);text-decoration:none}
.relcard .k{font-size:12px;color:var(--blue);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.relcard b{display:block;color:var(--ink);font-size:16px;margin-top:5px;line-height:1.3}

/* blog index */
.bloghero{padding:56px 0 20px;text-align:center}
.bloghero h1{font-size:clamp(34px,5vw,50px);font-weight:800;letter-spacing:-.02em}
.bloghero p{color:var(--slate);font-size:18px;max-width:560px;margin:14px auto 0}
.postgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:40px 0}
@media(max-width:900px){.postgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.postgrid{grid-template-columns:1fr}}
.postcard{border:1px solid var(--gray);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:.15s;background:#fff}
.postcard:hover{box-shadow:0 16px 36px rgba(11,19,43,.09);transform:translateY(-2px);text-decoration:none}
.postcard .thumb{height:150px;background:linear-gradient(120deg,var(--blue),var(--cyan));display:flex;align-items:flex-end;padding:14px}
.postcard .thumb .tag{background:rgba(255,255,255,.9);color:var(--navy);font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;letter-spacing:.04em;text-transform:uppercase}
.postcard .pc-body{padding:20px;flex:1;display:flex;flex-direction:column}
.postcard h3{font-size:18px;color:var(--ink);line-height:1.3;letter-spacing:-.01em}
.postcard p{font-size:14.5px;color:var(--slate);margin-top:8px;flex:1}
.postcard .read{margin-top:14px;color:var(--blue);font-weight:600;font-size:14px}
.feat{grid-column:1/-1;display:grid;grid-template-columns:1.3fr 1fr;gap:0;border:1px solid var(--gray);border-radius:20px;overflow:hidden;background:#fff}
.feat .fimg{background:linear-gradient(120deg,var(--navy),var(--blue));min-height:260px}
.feat .fbody{padding:34px}
.feat .fbody h2{font-size:28px;letter-spacing:-.02em;line-height:1.15;margin:10px 0}
@media(max-width:760px){.feat{grid-template-columns:1fr}}

/* legal disclaimer footer */
.legal-badges-note{font-size:12.5px;color:var(--slate2);line-height:1.6;border-top:1px solid var(--gray);padding-top:20px;margin-top:36px}
footer.blogfoot{border-top:1px solid var(--gray);padding:44px 0 40px;color:var(--slate);font-size:14px;margin-top:56px}
.blogfoot .frow{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.blogfoot a{color:var(--slate)}
.byline{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--ink)}
.blogfoot .disc{margin-top:22px;font-size:12.5px;color:var(--slate2);line-height:1.6;max-width:820px}