/* Současné terapeutické možnosti léčby obezity — fialový brand (port z design handoffu).
   Bez webfontů, bez JS, bez cookies. Paletu lze přeladit změnou :root proměnných. */

:root {
  /* fialová (brand) */
  --aubergine:      #3c0051;
  --aubergine-dark: #2b003a;
  --aubergine-mid:  #5c2b6e;
  --aubergine-hi:   #531470;
  /* levandulové plochy a linky */
  --lavender-bg:    #faf6fc;
  --line-1:         #ece6f0;
  --line-2:         #f0e8f4;
  --line-3:         #e7dcec;
  /* text na tmavém pozadí */
  --on-dark-1:      #e3dae7;
  --on-dark-2:      #d8c6df;
  --on-dark-3:      #cdbcd6;
  --on-dark-4:      #bda6c7;
  --on-dark-5:      #9a7faa;
  /* text na bílém pozadí */
  --text:           #281d2e;
  --text-2:         #574d60;
  --text-muted:     #6e6577;
  --meta:           #9a8fa3;
  --eyebrow-purple: #8b6e9b;
  /* akcent / CTA */
  --red:            #e72435;
  --red-hover:      #c61f2d;
  --green:          #5bbf52;

  --maxw: 1180px;
  --gutter: 28px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
main { flex: 1; }
a { color: var(--aubergine-mid); }

:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 2px;
  border-radius: 2px;
}

.container { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- skip link ---------- */
.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--aubergine); color: #fff; padding: 10px 16px;
  border-radius: 6px; font-size: 14px; font-weight: 600;
  text-decoration: none; transition: top 140ms ease;
}
.skip-link:focus { top: 12px; }

/* ---------- wordmark ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 11px; height: 11px; border-radius: 2px;
  background: var(--aubergine); transform: rotate(45deg); display: inline-block; flex: none;
}
.brand-mark--light { background: var(--on-dark-1); }
.brand-name { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; color: var(--aubergine); }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: #fff; border-bottom: 1px solid var(--line-1);
}
.site-header__inner {
  min-height: 68px; display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between; gap: 10px 28px;
}
.site-header .brand { padding: 14px 0; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 13px; font-size: 15px; font-weight: 400; color: #4a4150;
  text-decoration: none; border-radius: 6px;
}
.nav-link:hover { color: var(--aubergine); background: #f3edf6; }
.nav-link[aria-current="page"] { font-weight: 600; color: var(--aubergine); }

/* ---------- registrace button ---------- */
.btn-register {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 30px; font-size: 17px; font-weight: 600;
  color: #fff; background: var(--red); text-decoration: none;
  border: 0; border-radius: 7px; cursor: pointer;
  box-shadow: 0 8px 24px -10px rgba(231,36,53,0.7);
}
.btn-register:hover { background: var(--red-hover); color: #fff; }
.btn-register--nav {
  margin-left: 4px; padding: 9px 18px; font-size: 15px; gap: 0;
  border-radius: 6px; box-shadow: none;
}
.register-soon { color: var(--text-muted); font-style: italic; }
/* na tmavém fialovém pozadí (hero, registrační panel) musí být světlý a čitelný */
.hero-actions .register-soon, .reg-panel .register-soon { color: var(--on-dark-2); }
.register-cta { margin: 1.5rem 0; }

/* ---------- hero ---------- */
.hero {
  color: #fff; text-align: center; overflow: hidden;
  background: radial-gradient(120% 120% at 50% -25%, var(--aubergine-hi) 0%, var(--aubergine) 46%, var(--aubergine-dark) 100%);
}
.hero__inner { padding-block: 104px 96px; max-width: 820px; }
.hero-eyebrow {
  display: flex; align-items: center; justify-content: center; gap: 14px; margin: 0 0 24px;
  font-size: 17px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--on-dark-1);
}
.hero-eyebrow__line { width: 48px; height: 1px; background: #c9b7d0; display: inline-block; }
.hero-title {
  margin: 0; font-size: clamp(36px, 5.6vw, 70px); line-height: 1.07;
  font-weight: 600; letter-spacing: -0.02em; color: #fff; text-wrap: balance;
}
.hero-meta { margin: 26px 0 0; font-size: clamp(15px,1.6vw,18px); color: var(--on-dark-1); }
.hero-meta .sep { color: var(--on-dark-5); margin: 0 12px; }
.hero-guarantor { margin: 12px 0 0; font-size: 15px; color: var(--on-dark-4); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; margin-top: 36px; }
.pill {
  display: inline-flex; align-items: center; padding: 11px 20px; font-size: 14px; font-weight: 600;
  color: #f3edf6; background: rgba(255,255,255,0.09);
  border: 1px solid rgba(227,218,231,0.32); border-radius: 999px;
}
.hero-intro { margin: 40px auto 0; max-width: 580px; }
.hero-intro p { margin: 0; font-size: 16px; line-height: 1.65; color: var(--on-dark-3); }

/* ---------- orgbar (loga) ---------- */
.orgbar { background: #fff; border-bottom: 1px solid var(--line-2); }
.orgbar__inner {
  padding-block: 34px; display: flex; flex-wrap: wrap;
  align-items: center; justify-content: center; gap: 22px 44px;
}
.orgbar-label { font-size: 12px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: #9a8fa3; }
.orgbar-logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 36px; }
.orgbar-logos img { width: auto; height: 52px; display: block; }
.orgbar-logos .logo-kardiovize { height: 62px; }
.orgbar-div { width: 1px; height: 40px; background: var(--line-3); display: inline-block; }

/* ---------- sections ---------- */
.section { padding-block: 80px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 34px; }
.section-head h2 { margin: 0; font-size: clamp(24px,3vw,34px); font-weight: 600; letter-spacing: -0.01em; }
.section-head p { margin: 0; font-size: 15px; color: var(--text-muted); }

/* ---------- section cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.card {
  display: flex; flex-direction: column; gap: 10px; padding: 28px 26px 24px;
  background: #fff; border: 1px solid var(--line-1); border-radius: 12px; text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.card:hover { transform: translateY(-3px); border-color: #c9b7d0; box-shadow: 0 16px 36px -20px rgba(60,0,81,0.4); }
.card-index { font-size: 11px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--eyebrow-purple); }
.card-title { font-size: 21px; font-weight: 600; color: var(--aubergine); letter-spacing: -0.01em; }
.card-desc { font-size: 14.5px; color: var(--text-muted); line-height: 1.55; flex: 1; }
.card-link { font-size: 15px; font-weight: 600; color: var(--aubergine-mid); margin-top: 6px; }

/* ---------- page head (vnitřní stránky) ---------- */
.page-head { background: var(--lavender-bg); border-bottom: 1px solid var(--line-2); padding-block: 56px 48px; }
.page-head h1 { margin: 0; font-size: clamp(30px,4vw,46px); font-weight: 600; letter-spacing: -0.02em; color: var(--aubergine); }

/* ---------- prose (obsah) ---------- */
.prose { max-width: 760px; }
.prose h2 { margin: 2.4rem 0 1rem; font-size: clamp(22px,2.6vw,28px); font-weight: 600; letter-spacing: -0.01em; color: var(--text); }
.prose h3 { margin: 1.8rem 0 .8rem; font-size: 19px; font-weight: 600; color: var(--aubergine); }
.prose p, .prose li { font-size: 16px; color: var(--text-2); }
.prose a { color: var(--aubergine-mid); }
.prose blockquote {
  margin: 1.75rem 0; padding: 6px 0 6px 18px;
  border-left: 3px solid var(--aubergine-mid); color: var(--text-2);
  font-size: 15px; line-height: 1.6;
}
.prose blockquote p { margin: 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 1rem 0 1.5rem; }
.prose th {
  text-align: left; padding: 0 14px 8px 0; font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--meta);
}
.prose td { padding: 13px 14px 13px 0; border-top: 1px solid var(--line-3); vertical-align: top; color: var(--text-2); }
.prose td:first-child { color: var(--meta); white-space: nowrap; font-variant-numeric: tabular-nums; }
.prose td:nth-child(2) { color: var(--text); font-weight: 600; }

/* program: zelená tečka u nadpisů bloků */
.prose--program h2 { display: flex; align-items: center; gap: 11px; color: var(--aubergine); }
.prose--program h2::before { content: ""; width: 9px; height: 9px; border-radius: 999px; background: var(--green); flex: none; }

/* ---------- registrační proužek ---------- */
.reg-strip { padding-block: 84px; }
.reg-panel {
  border-radius: 18px; padding: clamp(40px,5vw,64px); color: #fff;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 32px;
  background: radial-gradient(120% 160% at 0% 0%, #4d1166 0%, var(--aubergine) 55%, var(--aubergine-dark) 100%);
}
.reg-panel__text { max-width: 540px; }
.reg-panel h2 { margin: 0; font-size: clamp(24px,3vw,36px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.12; }
.reg-panel p { margin: 16px 0 0; font-size: 16px; line-height: 1.6; color: var(--on-dark-2); }

/* ---------- footer ---------- */
.site-footer { background: var(--aubergine-dark); color: var(--on-dark-2); }
.site-footer .container { padding-block: 64px 40px; }
.footer-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px 32px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(201,183,208,0.2);
}
.footer-brand { max-width: 300px; }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { margin: 0 0 14px; font-size: 14px; line-height: 1.6; color: var(--on-dark-4); }
.footer-col h2 { margin: 0 0 14px; font-size: 11px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--on-dark-5); }
.footer-col p { margin: 0; font-size: 14px; line-height: 1.7; color: var(--on-dark-2); }
.footer-col ul { margin: 0; padding: 0; list-style: none; font-size: 14px; line-height: 1.9; }
.footer-col a { color: var(--on-dark-2); text-decoration: none; }
.footer-col a:hover { color: #fff; }
.footer-legal { margin: 24px 0 0; font-size: 13px; color: var(--on-dark-5); }

/* ---------- responsivita ---------- */
@media (max-width: 640px) {
  .hero__inner { padding-block: 72px 64px; }
  .section, .reg-strip { padding-block: 56px; }
  .hero-meta .sep { display: block; height: 0; margin: 4px 0; overflow: hidden; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}