/* ===== Base / Reset ===== */
:root{
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;

  --brand: #0f2a3d;
  --brand2: #143850;

  --line: rgba(17, 24, 39, 0.10);
  --shadow: 0 10px 26px rgba(0,0,0,.08);

  --radius: 16px;
  --radius-sm: 12px;
}

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html{ scroll-behavior: smooth; }

body{
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 50% -240px, rgba(15,42,61,.12), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;

  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Header / Nav ===== */
header{
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 42, 61, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 8px 18px rgba(0,0,0,0.06);
}

nav{
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 14px;
}

.menu{
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.menu li{ position: relative; }

.menu a{
  color: #fff;
  text-decoration: none;
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: background-color .16s ease, transform .16s ease, border-color .16s ease;
}

.menu a:hover{
  background: rgba(255,255,255,0.10);
  transform: translateY(-1px);
}

.menu a[aria-current="page"]{
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.18);
}

.menu a.cta{
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.28);
}

.menu a.cta:hover{
  background: rgba(255,255,255,0.26);
}

/* ===== Dropdown ===== */
.submenu{
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 240px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 8px;
}

.submenu li a{
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 650;
}

.submenu li a:hover{
  background: rgba(15,42,61,0.08);
}

.dropdown:hover .submenu,
.dropdown:focus-within .submenu{
  display: block;
  animation: dropIn .14s ease-out;
}

@keyframes dropIn{
  from{ opacity: 0; transform: translateY(-6px); }
  to{ opacity: 1; transform: translateY(0); }
}

/* ===== Main ===== */
main{
  max-width: 1100px;
  margin: 0 auto;
  padding: 26px 18px 44px;
  flex: 1;
}

/* ===== Hero / Card ===== */
.hero{
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(22px, 3vw, 36px);
}

/* Typografie */
h1{
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

/* Čitelný blok */
.hero h1,
.hero p,
.centres{
  max-width: 88ch;
  margin-left: auto;
  margin-right: auto;
}

/* Odstavce – rytmus */
.hero p{
  font-size: 1.05rem;
  color: var(--muted);
  margin-top: 14px;
}

.hero p.lead{
  font-size: 1.2rem;
  line-height: 1.75;
  color: var(--text);
  opacity: .86;
  margin-top: 12px;
  margin-bottom: 18px;
}

.hero p.closing{
  font-size: 1.2rem;    /* stejné jako lead (nebo dej 1.15rem, pokud chceš jemněji) */
  line-height: 1.75;
  color: var(--text);
  opacity: .86;
  margin-top: 18px;
}

/* Odkazy v textu */
.hero a{
  color: var(--brand2);
  text-decoration: none;
  font-weight: 700;
}

.hero a:hover{
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== Centres ===== */
.centres{
  margin-top: 18px;
  margin-bottom: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.centre{
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  padding: 16px 16px;
  border-radius: var(--radius-sm);
  background: rgba(15,42,61,0.04);
  border: 1px solid rgba(15,42,61,0.10);
  transition: transform .16s ease, background-color .16s ease, border-color .16s ease;
}

.centre:hover{
  transform: translateY(-1px);
  background: rgba(15,42,61,0.06);
  border-color: rgba(15,42,61,0.16);
}

.centre-title{
  font-weight: 850;
  color: var(--text);
}

.centre-meta{
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--muted);
}

@media (min-width: 820px){
  .centres{ grid-template-columns: 1fr 1fr; }
}

/* ===== Footer ===== */
footer{
  border-top: 1px solid var(--line);
  text-align: center;
  padding: 18px 12px;
  color: var(--muted);
}

footer p{ margin: 0; }

/* ===== Responsive ===== */
@media (max-width: 720px){
  .submenu{ min-width: 210px; }
}
.reports{
  max-width: 72ch;
  margin: 18px auto 10px;
  display: grid;
  gap: 10px;
}

.report-item{
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;

  padding: 14px 14px;
  border-radius: var(--radius-sm);
  background: rgba(15,42,61,0.04);
  border: 1px solid rgba(15,42,61,0.10);

  transition: transform .16s ease, background-color .16s ease, border-color .16s ease;
}

.report-item:hover{
  transform: translateY(-1px);
  background: rgba(15,42,61,0.06);
  border-color: rgba(15,42,61,0.16);
}

.report-title{
  font-weight: 850;
  color: var(--text);
}

.report-meta{
  color: var(--muted);
  font-weight: 650;
  font-size: 0.95rem;
}

/* když je odkaz jen placeholder */
.report-item[aria-disabled="true"]{
  pointer-events: none;
  opacity: .75;
}