/* KillerCreatives /guides stylesheet - matches the main KillerCreatives brand (corporate blue #1B4FD8 on white, Inter). */
:root{
  --primary:#1B4FD8; --primary-dark:#143CA6; --primary-light:#3B6FE8;
  --bg:#FFFFFF; --bg-alt:#F5F7FA;
  --text:#0F172A; --muted:#475569; --muted2:#64748B;
  --border:#E2E8F0; --border-strong:#CBD5E1;
  --dark:#0F1F3D; --dark2:#1C2E52;
  --radius:12px; --radius-lg:16px;
  --maxw:760px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;font-size:16px;}
body{margin:0;background:var(--bg);color:var(--text);line-height:1.7;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;}
a{color:var(--primary);text-decoration:none;}
a:hover{text-decoration:underline;}

/* ---- nav: identical to the main killercreatives.com header (white, sticky, blurred) ---- */
.nav{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);transition:box-shadow .3s ease;}
.nav.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.08);}
.nav-container{max-width:1400px;margin:0 auto;padding:0 40px;height:80px;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;}
.nav .logo{display:inline-block;line-height:0;}
.nav .logo:hover{text-decoration:none;}
.nav .logo-img{height:46px;width:auto;display:block;max-width:100%;}
.nav-links{display:flex;gap:34px;list-style:none;align-items:center;margin:0;padding:0;}
.nav-links a{color:var(--gray-700,#334155);font-weight:500;font-size:15px;transition:color .2s ease;}
.nav-links a:hover{color:var(--primary);text-decoration:none;}
.nav-links a.active{color:var(--primary);font-weight:700;}
.nav-cta{background:var(--primary);color:#fff !important;padding:12px 26px;border-radius:8px;
  font-weight:600;box-shadow:0 4px 14px rgba(27,79,216,.25);transition:all .3s ease;}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(27,79,216,.35);text-decoration:none;}
.mobile-menu-btn{display:none;background:none;border:none;font-size:26px;cursor:pointer;color:var(--text);line-height:1;}

.container{max-width:var(--maxw);margin:0 auto;padding:3rem 1.5rem 5rem;}
.wide{max-width:1180px;}

/* breadcrumbs */
nav.crumbs{font-size:.8rem;color:var(--muted2);margin-bottom:1.5rem;}
nav.crumbs a{color:var(--muted2);}
nav.crumbs a:hover{color:var(--primary);}

/* ---- headings / long-form article body ---- */
h1{font-size:2.6rem;line-height:1.12;margin:.2rem 0 1rem;letter-spacing:-.03em;font-weight:900;color:var(--text);}
.byline{color:var(--muted);font-size:.95rem;margin:0 0 2rem;}
article h2{font-size:1.7rem;margin:2.6rem 0 .7rem;line-height:1.25;letter-spacing:-.02em;font-weight:800;color:var(--text);}
article h3{font-size:1.25rem;margin:1.6rem 0 .4rem;font-weight:700;color:var(--text);}
article p{margin:.7rem 0;color:#1E293B;}
article ul,article ol{margin:.7rem 0 .7rem 1.3rem;padding:0;}
article li{margin:.35rem 0;}
article a{color:var(--primary);font-weight:600;}
article strong{color:var(--text);font-weight:700;}
article code{background:var(--bg-alt);border:1px solid var(--border);padding:.12rem .4rem;border-radius:5px;font-size:.9em;}
article pre{background:#0F1F3D;color:#E2E8F0;border:1px solid #24395F;border-radius:12px;padding:1rem;overflow:auto;}

/* tldr / swipe / order callout */
.tldr{background:var(--bg-alt);border:1px solid var(--border);border-left:4px solid var(--primary);
  border-radius:12px;padding:1.1rem 1.3rem;margin:1.5rem 0;}
.tldr strong{color:var(--primary);}
.swipe{background:var(--bg-alt);border:1px solid var(--border);border-radius:14px;padding:1.1rem 1.3rem;margin:1.1rem 0;}
.callout-order{background:linear-gradient(135deg,#0F1F3D 0%,#1C2E52 100%);color:#fff;
  border:1px solid rgba(27,79,216,.35);border-radius:16px;padding:1.7rem 1.9rem;margin:2.6rem 0;
  box-shadow:0 12px 34px rgba(0,0,0,.28);position:relative;overflow:hidden;}
.callout-order::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 12% 0%,rgba(27,79,216,.16) 0%,transparent 55%);}
.callout-order h2,.callout-order h3,.callout-order strong{color:#fff;position:relative;}
/* article p sets a dark color; override so copy is white on the dark box */
.callout-order p{color:#fff;margin:0;font-size:1.1rem;line-height:1.65;font-weight:500;position:relative;}
/* inline links in the CTA copy: bright, underlined, readable — never blocky buttons
   (the markup has no reliable CTA hook, so don't promote arbitrary links to buttons) */
.callout-order a{color:#9DB8FF;font-weight:700;text-decoration:underline;
  text-underline-offset:3px;text-decoration-thickness:2px;text-decoration-color:rgba(157,184,255,.55);
  transition:color .2s ease;}
.callout-order a:hover{color:#fff;text-decoration-color:#fff;}
/* only links explicitly marked .cta render as a solid brand button */
.callout-order a.cta{display:inline-block;margin-top:1.1rem;padding:.8rem 1.6rem;
  background:var(--primary);color:#fff;border-radius:8px;text-decoration:none;
  box-shadow:0 6px 20px rgba(27,79,216,.35);transition:all .25s ease;}
.callout-order a.cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);
  box-shadow:0 9px 26px rgba(27,79,216,.45);}

/* faq */
.faq{margin-top:2.6rem;border-top:1px solid var(--border);padding-top:1.2rem;}
.faq details{border-bottom:1px solid var(--border);padding:.8rem 0;}
.faq summary{cursor:pointer;font-weight:700;color:var(--text);}
.faq summary::-webkit-details-marker{color:var(--primary);}
.faq p{color:var(--muted);}

/* related */
.related{border-top:1px solid var(--border);margin-top:2.8rem;padding-top:1.4rem;}
.related h2{font-size:1.2rem;margin:.2rem 0 .7rem;font-weight:800;}
.related ul{list-style:none;margin:0;padding:0;}
.related li{margin:.4rem 0;}
.related a{font-weight:600;}

/* ---- index / listing pages ---- */
.silo-h{margin:3rem 0 1.2rem;font-size:1.6rem;font-weight:900;letter-spacing:-.02em;color:var(--text);
  padding-bottom:.6rem;border-bottom:2px solid var(--border);}
.silo-h::before{content:"";display:inline-block;width:.5rem;height:1.35rem;background:var(--primary);
  border-radius:3px;margin-right:.7rem;vertical-align:-.2rem;}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.4rem;}
.gcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:16px;padding:1.5rem;transition:all .25s ease;}
.gcard:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(0,0,0,.08);border-color:var(--border-strong);}
.gcard .meta{align-self:flex-start;color:var(--primary);font-weight:700;
  font-size:.72rem;text-transform:uppercase;letter-spacing:1.2px;margin-bottom:.6rem;}
.gcard .title{color:var(--text);font-weight:800;font-size:1.15rem;line-height:1.3;letter-spacing:-.01em;}
.gcard .title:hover{color:var(--primary);text-decoration:none;}
.gcard .excerpt{color:var(--muted);font-size:.92rem;line-height:1.6;margin:.6rem 0 1.2rem;}
.gcard .btn-read{margin-top:auto;align-self:flex-start;display:inline-flex;align-items:center;gap:.4rem;
  padding:.6rem 1.2rem;background:var(--primary);color:#fff;border-radius:8px;font-weight:700;font-size:.85rem;
  box-shadow:0 4px 14px rgba(27,79,216,.25);transition:all .25s ease;}
.gcard .btn-read:hover{background:var(--primary-dark);text-decoration:none;transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(27,79,216,.35);}

/* ---- footer: identical to the main killercreatives.com footer ---- */
.main-foot{background:#0F1F3D;color:#B8C4DA;padding:60px 0 0;margin-top:4rem;font-size:15px;line-height:1.6;}
.main-foot .footer-content{max-width:1200px;margin:0 auto 40px;padding:0 40px;
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px;}
.main-foot .footer-logo{display:inline-block;line-height:0;margin-bottom:16px;}
.main-foot .footer-logo img{height:40px;width:auto;display:block;}
.main-foot .footer-tagline{color:#94A3B8;margin:0 0 16px;}
.main-foot .footer-about{color:#94A3B8;font-size:14px;line-height:1.6;margin:0;}
.main-foot .footer-heading{color:#fff;font-weight:700;margin:0 0 20px;font-size:16px;}
.main-foot .footer-links{list-style:none;margin:0;padding:0;}
.main-foot .footer-links li{margin-bottom:12px;}
.main-foot .footer-links a{color:#B8C4DA;font-weight:400;}
.main-foot .footer-links a:hover{color:#9DB8FF;text-decoration:none;}
.main-foot .footer-bottom{border-top:1px solid #24395F;padding:24px 0;text-align:center;}
.main-foot .footer-bottom .container{max-width:1200px;margin:0 auto;padding:0 40px;}
.main-foot .footer-bottom p{margin:0 0 8px;font-size:13px;color:#94A3B8;}
.main-foot .foot-fine{font-size:12px;}

/* article byline date + listing-card date */
.byline-sep{opacity:.5;margin:0 .15rem;}
.byline-upd{color:var(--muted2);}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:.8rem;padding-top:1.1rem;}
.card-date{color:var(--muted2);font-size:.78rem;white-space:nowrap;}
.gcard .btn-read{margin-top:0;}

.pill{display:inline-block;font-size:.7rem;padding:.12rem .5rem;border-radius:999px;
  background:var(--bg-alt);border:1px solid var(--border);color:var(--muted);}

/* responsive */
@media(max-width:900px){
  .nav-container{padding:0 20px;height:68px;}
  .mobile-menu-btn{display:block;}
  .nav-links{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(0,0,0,.08);
    padding:.5rem 0;display:none;}
  .nav-links.open{display:flex;}
  .nav-links li{width:100%;}
  .nav-links a{display:block;padding:.85rem 24px;font-size:16px;}
  .nav-cta{margin:.5rem 24px;text-align:center;border-radius:8px;}
  .main-foot .footer-content{grid-template-columns:1fr;gap:36px;}
}
@media(max-width:640px){
  .nav-container{padding:0 16px;}
  h1{font-size:2rem;}
  .container{padding:2rem 1.1rem 3.5rem;}
  .card-grid{grid-template-columns:1fr;}
  article h2{font-size:1.45rem;}
}