/* ipjtech.cz - sdílené styly pro blog (nav/footer shodné s hlavní stránkou + prvky pro články) */
:root{
  --bg:#ffffff;--bg-soft:#F8FAFC;--bg-card:#F1F5F9;
  --dark:#0F172A;--darker:#020617;
  --slate-900:#0F172A;--slate-700:#334155;--slate-600:#475569;--slate-500:#64748B;--slate-300:#CBD5E1;--slate-200:#E2E8F0;--slate-100:#F1F5F9;
  --blue:#2563EB;--blue-dark:#1D4ED8;--blue-light:#3B82F6;--blue-50:#EFF6FF;--blue-100:#DBEAFE;
  --orange:#F97316;
  --text:#1E293B;--text-dim:#475569;--text-mute:#94A3B8;
  --line:#E2E8F0;
  --sans:'Manrope','Helvetica Neue',-apple-system,system-ui,sans-serif;
  --maxw:1200px;--pad:clamp(20px,4vw,40px);
  --r:10px;--r-lg:20px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
::selection{background:var(--blue);color:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* nav (shodné s hlavní stránkou) */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.1rem;color:var(--dark);letter-spacing:-.01em}
.brand-icon{width:34px;height:34px;border-radius:8px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.95rem}
.nav-links{display:flex;align-items:center;gap:30px;font-size:.92rem;font-weight:500}
.nav-links a{color:var(--text-dim);transition:color .15s}
.nav-links a:hover{color:var(--dark)}
.nav-links a.active{color:var(--dark)}
.cta{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--dark);color:#fff;border-radius:999px;font-weight:600;font-size:.9rem;transition:all .2s;box-shadow:0 2px 8px rgba(15,23,42,.15)}
.cta:hover{background:#1e293b;transform:translateY(-1px);box-shadow:0 4px 14px rgba(15,23,42,.2)}
.cta-blue{background:var(--blue);box-shadow:0 4px 14px rgba(37,99,235,.3)}
.cta-blue:hover{background:var(--blue-dark);box-shadow:0 8px 20px rgba(37,99,235,.4)}
.cta .arrow{transition:transform .2s}
.cta:hover .arrow{transform:translateX(3px)}
.nav-burger{display:none}
@media (max-width:880px){
  .nav-links{display:none}
  .nav-burger{display:flex;flex-direction:column;gap:4px;width:24px;cursor:pointer}
  .nav-burger span{display:block;width:24px;height:1.5px;background:var(--dark)}
  .nav-inner{position:relative}
  .nav-links.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(15,23,42,.08);padding:8px var(--pad) 16px}
  .nav-links.open a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-links.open a:last-child{border-bottom:none}
  .nav-links.open .cta{justify-content:center;margin-top:10px}
}

/* blog listing hero */
.blog-hero{padding:clamp(50px,7vw,80px) 0 clamp(40px,5vw,56px)}
.blog-hero .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:var(--blue-50);color:var(--blue-dark);border-radius:999px;font-size:.78rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-bottom:20px}
.blog-hero .eyebrow::before{content:"";width:6px;height:6px;background:var(--blue);border-radius:50%}
.blog-hero h1{font-size:clamp(2.1rem,4.5vw,3.4rem);font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--dark);margin-bottom:18px}
.blog-hero p{font-size:clamp(1rem,1.4vw,1.15rem);color:var(--text-dim);max-width:640px;line-height:1.6}

/* article cards (blog index) */
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;padding-bottom:clamp(60px,8vw,100px)}
.post-card{display:flex;flex-direction:column;padding:28px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-lg);transition:transform .2s,box-shadow .2s}
.post-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(15,23,42,.08)}
.post-date{font-size:.78rem;font-weight:700;color:var(--blue-dark);text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px}
.post-card h2{font-size:1.25rem;font-weight:700;color:var(--dark);letter-spacing:-.01em;line-height:1.3;margin-bottom:10px}
.post-card p{font-size:.94rem;color:var(--text-dim);line-height:1.55;margin-bottom:18px;flex-grow:1}
.post-link{font-weight:600;color:var(--dark);font-size:.92rem;display:inline-flex;align-items:center;gap:6px}
.post-card:hover .post-link{color:var(--blue)}

/* article page */
.article-hero{padding:clamp(40px,6vw,64px) 0 clamp(24px,4vw,36px)}
.article-hero .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:var(--blue-50);color:var(--blue-dark);border-radius:999px;font-size:.78rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-bottom:20px}
.article-hero .eyebrow::before{content:"";width:6px;height:6px;background:var(--blue);border-radius:50%}
.article-hero h1{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--dark);margin-bottom:16px;max-width:820px}
.article-meta{font-size:.88rem;color:var(--text-mute);font-weight:600}
.article-body{padding-bottom:clamp(50px,7vw,90px)}
.prose{max-width:760px}
.prose h2{font-size:clamp(1.35rem,2.4vw,1.7rem);font-weight:800;letter-spacing:-.01em;color:var(--dark);margin:2.2em 0 .6em}
.prose h2:first-child{margin-top:0}
.prose p{font-size:1.02rem;color:var(--text-dim);line-height:1.75;margin-bottom:1.1em}
.prose ul{margin:0 0 1.1em 1.3em;color:var(--text-dim);font-size:1.02rem;line-height:1.7}
.prose li{margin-bottom:.6em}
.prose strong{color:var(--dark);font-weight:700}
.prose a{color:var(--blue-dark);font-weight:600;border-bottom:1px solid var(--blue-100)}
.prose a:hover{border-bottom-color:var(--blue-dark)}

/* CTA band uvnitř článku */
.cta-band{margin-top:clamp(40px,5vw,60px);padding:clamp(28px,4vw,40px);background:var(--slate-900);border-radius:var(--r-lg);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;max-width:760px}
.cta-band h3{color:#fff;font-size:1.2rem;font-weight:700;letter-spacing:-.01em;margin-bottom:6px}
.cta-band p{color:rgba(255,255,255,.7);font-size:.92rem}
.cta-band .ctas{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* related articles */
.related{padding:clamp(50px,7vw,90px) 0;background:var(--bg-soft)}
.related h3{font-size:1.5rem;font-weight:800;letter-spacing:-.01em;color:var(--dark);margin-bottom:24px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.related-card{padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r);transition:border-color .15s}
.related-card:hover{border-color:var(--blue)}
.related-card .post-date{margin-bottom:8px}
.related-card h4{font-size:1.02rem;font-weight:700;color:var(--dark);line-height:1.4;letter-spacing:-.01em}

/* footer (shodné s hlavní stránkou) */
.footer{padding:50px 0 28px;background:var(--slate-900);color:rgba(255,255,255,.7)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:rgba(255,255,255,.5);margin-bottom:14px;font-weight:600}
.footer ul{list-style:none}
.footer li{margin-bottom:8px;font-size:.9rem}
.footer a{color:rgba(255,255,255,.7);transition:color .15s}
.footer a:hover{color:var(--blue-light)}
.footer-brand{font-size:1.2rem;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.footer p{font-size:.88rem;line-height:1.55;color:rgba(255,255,255,.6);max-width:320px}
.footer-bottom{padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-size:.78rem;color:rgba(255,255,255,.4)}
@media (max-width:880px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}