:root {
  --navy: #13182b;
  --blue: #2f71c6;
  --blue-light: #eaf3ff;
  --text: #171d2f;
  --muted: #677084;
  --border: #dfe5ee;
  --bg: #f4f7fb;
  --white: #fff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  color: var(--text);
  background:
    radial-gradient(circle at 78% 5%, rgba(53,126,221,.1), transparent 30rem),
    var(--white);
  font-family: "Montserrat", Arial, sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.wrap { width: min(1240px, calc(100% - 40px)); margin: auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.9);
  border-bottom: 1px solid rgba(19,24,43,.08);
  backdrop-filter: blur(18px) saturate(140%);
}
.topbar-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}
.brand img { width: 116px; height: 64px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 4px; color: #5f687a; font-size: .8rem; font-weight: 600; }
.main-nav a { padding: 10px 13px; border-radius: 999px; }
.main-nav a:hover, .main-nav .active { color: var(--navy); background: rgba(53,126,221,.1); }

.eyebrow {
  color: var(--blue);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.blog-hero { padding: clamp(70px, 9vw, 112px) 0 58px; }
.blog-hero h1 {
  max-width: 880px;
  margin: 16px 0 22px;
  color: var(--navy);
  font-size: clamp(2.8rem, 6vw, 5.2rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.06em;
}
.blog-hero h1 strong { color: var(--blue); }
.blog-hero p { max-width: 660px; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.14rem); }

.news { padding: 0 0 96px; }
.featured {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, .8fr);
  min-height: 530px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 26px 70px rgba(19,24,43,.1);
}
.featured-media { min-height: 390px; overflow: hidden; }
.featured-media picture, .card-media picture, .article-cover picture { display: block; width: 100%; height: 100%; }
.featured-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.featured:hover .featured-media img { transform: scale(1.025); }
.featured-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(34px, 5vw, 58px); }
.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 17px; }
.category { padding: 5px 10px; border-radius: 999px; color: var(--blue); background: var(--blue-light); font-size: .65rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.date { color: var(--muted); font-size: .75rem; font-weight: 600; }
.featured h2 { color: var(--navy); font-size: clamp(1.7rem, 3vw, 2.65rem); line-height: 1.12; letter-spacing: -.045em; }
.featured p { margin: 17px 0 25px; color: var(--muted); font-size: .92rem; }
.read-link { display: inline-flex; align-items: center; gap: 9px; color: var(--navy); font-size: .8rem; font-weight: 800; }
.read-link span { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 50%; color: var(--white); background: var(--blue); transition: transform .2s ease; }
.featured:hover .read-link span, .article-card:hover .read-link span { transform: translateX(4px); }

.section-title { display: flex; align-items: end; justify-content: space-between; gap: 25px; margin: 52px 0 24px; }
.section-title h2 { color: var(--navy); font-size: clamp(1.7rem, 3vw, 2.4rem); letter-spacing: -.045em; }
.section-title p { color: var(--muted); font-size: .84rem; }
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.article-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 16px 40px rgba(19,24,43,.055);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.article-card:hover { transform: translateY(-3px); border-color: rgba(53,126,221,.3); box-shadow: 0 22px 50px rgba(19,24,43,.09); }
.card-media { min-height: 260px; overflow: hidden; background: var(--navy); }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-media.tech {
  position: relative;
  background:
    linear-gradient(135deg, rgba(53,126,221,.35), transparent),
    var(--navy);
}
.card-media.tech::before, .card-media.tech::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
}
.card-media.tech::before { width: 170px; height: 170px; left: 23px; top: 43px; box-shadow: 0 0 0 32px rgba(255,255,255,.035); }
.card-media.tech::after { width: 12px; height: 12px; left: 102px; top: 122px; background: var(--blue); box-shadow: 0 0 28px var(--blue); }
.card-media-ai {
  background:
    radial-gradient(circle at 50% 50%, rgba(94,154,242,.75) 0 4px, transparent 5px),
    repeating-radial-gradient(circle at 50% 50%, transparent 0 24px, rgba(255,255,255,.12) 25px 26px),
    linear-gradient(135deg, #13182b, #244a7e);
}
.card-media-digital {
  position: relative;
  background:
    linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px),
    linear-gradient(135deg, #1d3152, #2f71c6);
  background-size: 28px 28px, 28px 28px, auto;
}
.card-media-digital::after {
  content: "01";
  position: absolute;
  right: 22px;
  bottom: 16px;
  color: rgba(255,255,255,.78);
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: -.08em;
}
.card-media-vehicle {
  position: relative;
  background:
    radial-gradient(ellipse at 50% 84%, rgba(94,154,242,.42) 0 17%, transparent 18%),
    linear-gradient(155deg, #edf4ff 0 42%, #2f71c6 43% 56%, #13182b 57%);
}
.card-media-vehicle::before,
.card-media-vehicle::after {
  content: "";
  position: absolute;
  bottom: 50px;
  width: 34px;
  height: 34px;
  border: 8px solid #fff;
  border-radius: 50%;
  background: var(--navy);
  box-shadow: 0 0 0 4px rgba(19,24,43,.2);
}
.card-media-vehicle::before { left: 42px; }
.card-media-vehicle::after { right: 42px; }
.card-copy { display: flex; flex-direction: column; justify-content: center; padding: 29px; }
.card-copy h3 { color: var(--navy); font-size: 1.25rem; line-height: 1.25; letter-spacing: -.035em; }
.card-copy p { margin: 12px 0 20px; color: var(--muted); font-size: .82rem; }

.article-hero { padding: 54px 0 28px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 34px; color: var(--muted); font-size: .76rem; }
.breadcrumbs a:hover { color: var(--blue); }
.article-hero h1 {
  max-width: 1000px;
  margin: 14px 0 22px;
  color: var(--navy);
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -.055em;
}
.article-lead { max-width: 840px; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.16rem); }
.article-byline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 16px;
  max-width: 900px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.author-mark { display: grid; place-items: center; flex: 0 0 44px; width: 44px; height: 44px; border-radius: 50%; color: var(--white); background: var(--navy); font-size: .72rem; font-weight: 800; }
.author-copy { display: grid; gap: 1px; min-width: min(100%, 290px); }
.author-copy strong { color: var(--navy); font-size: .83rem; }
.author-copy span, .article-updated { color: var(--muted); font-size: .72rem; line-height: 1.45; }
.article-updated { margin-left: auto; }
.article-cover {
  width: min(1240px, calc(100% - 40px));
  height: auto;
  max-height: min(650px, calc(100svh - 120px));
  aspect-ratio: 1672 / 941;
  margin: 28px auto 0;
  overflow: hidden;
  border-radius: 28px;
  background: var(--navy);
  box-shadow: 0 28px 70px rgba(19,24,43,.16);
}
.article-cover img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.article-cover.tech-cover {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 50%, rgba(53,126,221,.4), transparent 16rem),
    linear-gradient(135deg, #13182b, #202a4a);
}
.signal {
  position: relative;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 50%;
  box-shadow: 0 0 0 52px rgba(255,255,255,.055), 0 0 0 104px rgba(255,255,255,.03);
}
.signal::after { content: ""; position: absolute; inset: 94px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 40px var(--blue); }
.digital-cover {
  display: grid;
  place-items: center;
  background:
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(135deg, #13182b, #2f71c6);
  background-size: 46px 46px, 46px 46px, auto;
}
.digital-cover .cover-mark {
  color: rgba(255,255,255,.92);
  font-size: clamp(6rem, 16vw, 13rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.09em;
  text-shadow: 0 22px 60px rgba(19,24,43,.28);
}
.vehicle-cover {
  position: relative;
  display: grid;
  place-items: center;
  background:
    radial-gradient(ellipse at 50% 78%, rgba(94,154,242,.45) 0 18%, transparent 19%),
    linear-gradient(155deg, #edf4ff 0 42%, #2f71c6 43% 56%, #13182b 57%);
}
.vehicle-shape {
  position: relative;
  width: min(520px, 68%);
  height: 150px;
  border-radius: 70px 90px 28px 28px;
  background: #fff;
  box-shadow: 0 26px 60px rgba(19,24,43,.25);
}
.vehicle-shape::before {
  content: "";
  position: absolute;
  width: 48%;
  height: 86px;
  left: 25%;
  top: -64px;
  border-radius: 60px 72px 0 0;
  background: #fff;
}
.vehicle-shape::after {
  content: "ZÁSAHOVÉ VOZIDLO";
  position: absolute;
  inset: 55px 25px auto;
  color: var(--navy);
  font-size: clamp(.72rem, 2vw, 1.15rem);
  font-weight: 800;
  letter-spacing: .08em;
  text-align: center;
}
.vehicle-wheel {
  position: absolute;
  bottom: -28px;
  width: 66px;
  height: 66px;
  border: 12px solid #fff;
  border-radius: 50%;
  background: var(--navy);
  box-shadow: 0 0 0 5px rgba(19,24,43,.18);
}
.vehicle-wheel:first-child { left: 70px; }
.vehicle-wheel:last-child { right: 70px; }

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 790px) 280px;
  gap: 70px;
  align-items: start;
  padding: 68px 0 100px;
}
.article-body { min-width: 0; }
.article-body h2 { margin: 42px 0 14px; color: var(--navy); font-size: clamp(1.5rem, 2.7vw, 2.05rem); line-height: 1.25; letter-spacing: -.04em; }
.article-body h2:first-child { margin-top: 0; }
.article-body h3 { margin: 30px 0 10px; color: var(--navy); font-size: 1.18rem; }
.article-body p { color: #505a6d; font-size: .96rem; }
.article-body p + p { margin-top: 16px; }
.article-body ul, .article-body ol { margin: 16px 0 0 20px; color: #505a6d; font-size: .94rem; }
.article-body li + li { margin-top: 9px; }
.article-body blockquote { margin: 26px 0; padding: 24px 26px; border-left: 4px solid var(--blue); border-radius: 0 16px 16px 0; background: var(--bg); }
.article-body blockquote p { color: var(--navy); font-size: 1.02rem; font-weight: 600; }
.article-link { color: var(--blue); font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.article-table-wrap { margin: 24px 0 8px; overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; background: var(--white); }
.article-table { width: 100%; min-width: 680px; border-collapse: collapse; color: #505a6d; font-size: .84rem; line-height: 1.55; }
.article-table caption { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.article-table th, .article-table td { padding: 16px 18px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.article-table thead th { color: var(--navy); background: var(--bg); font-size: .7rem; letter-spacing: .05em; text-transform: uppercase; }
.article-table tbody th { width: 25%; color: var(--navy); background: var(--white); font-size: inherit; font-weight: 400; letter-spacing: 0; text-transform: none; }
.article-table tbody tr:last-child td { border-bottom: 0; }
.article-table tbody tr:last-child th { border-bottom: 0; }
.article-figure { margin: 34px 0; }
.article-figure img { width: 100%; height: auto; max-height: min(70svh, 520px); object-fit: contain; border-radius: 18px; box-shadow: 0 18px 45px rgba(19,24,43,.12); }
.article-figure figcaption { margin-top: 9px; color: var(--muted); font-size: .72rem; line-height: 1.5; }
.article-figure--right { float: right; width: clamp(260px, 32vw, 390px); max-width: 50%; margin: 36px 0 22px 30px; }
.article-faq { clear: both; margin-top: 48px; }
.article-faq-item { padding: 20px 0; border-top: 1px solid var(--border); }
.article-faq-item:last-child { border-bottom: 1px solid var(--border); }
.article-faq-item h3 { margin: 0 0 7px; font-size: 1rem; }
.article-faq-item p { font-size: .9rem; }
.article-sources { clear: both; margin-top: 48px; padding: 26px; border: 1px solid var(--border); border-radius: 18px; background: var(--bg); }
.article-sources h2 { margin: 0 0 12px; font-size: 1.22rem; }
.article-sources ul { margin-top: 0; }
.article-sources a { color: var(--blue); font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.article-sources .sources-note { margin-top: 12px; color: var(--muted); font-size: .76rem; }
.article-cta { margin-top: 48px; padding: 30px; border-radius: 22px; color: var(--white); background: var(--navy); }
.article-cta h2 { margin: 0 0 9px; color: var(--white); font-size: 1.45rem; }
.article-cta p { color: rgba(255,255,255,.68); font-size: .87rem; }
.article-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.article-actions .btn { margin-top: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; margin-top: 18px; padding: 12px 19px; border-radius: 12px; font-size: .78rem; font-weight: 800; }
.btn-white { color: var(--navy); background: var(--white); }
.btn-outline-white { color: var(--white); border: 1px solid rgba(255,255,255,.34); }
.btn-outline-white:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.article-side { position: sticky; top: 104px; }
.side-card { padding: 24px; border: 1px solid var(--border); border-radius: 20px; background: var(--white); }
.side-card + .side-card { margin-top: 14px; }
.side-card h3 { margin-bottom: 14px; color: var(--navy); font-size: .82rem; letter-spacing: .05em; text-transform: uppercase; }
.side-links { display: grid; gap: 12px; }
.side-links a { padding-bottom: 12px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: .8rem; font-weight: 600; line-height: 1.4; }
.side-links a:last-child { padding-bottom: 0; border-bottom: 0; }
.side-links a:hover { color: var(--blue); }

.site-footer { padding: 30px 0; color: rgba(255,255,255,.7); background: var(--navy); font-size: .78rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }
.site-footer a:hover { color: var(--white); }

@media (max-width: 980px) {
  .featured { grid-template-columns: 1fr; }
  .featured-media { max-height: 500px; }
  .article-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-side { position: static; }
}
@media (max-width: 720px) {
  .main-nav { display: none; }
  .topbar-inner { min-height: 68px; }
  .brand img { width: 104px; height: 54px; }
  .blog-hero { padding-top: 58px; }
  .featured { min-height: 0; border-radius: 22px; }
  .featured-copy { padding: 29px 25px; }
  .article-card { grid-template-columns: 1fr; }
  .card-media { min-height: 220px; }
  .section-title { display: block; }
  .section-title p { margin-top: 7px; }
  .article-hero { padding-top: 38px; }
  .article-cover { width: calc(100% - 24px); max-height: 58svh; border-radius: 20px; }
  .article-byline { align-items: flex-start; }
  .article-updated { width: 100%; margin-left: 60px; }
  .article-layout { padding-top: 48px; }
  .article-figure--right { float: none; width: 100%; max-width: 100%; margin: 30px 0; }
  .article-actions { display: grid; }
  .footer-inner { display: block; }
  .footer-inner span { display: block; margin-top: 6px; }
}
