/* Rybníky Rozseč — samostatný prezentační web (Cihelna, Borek, Pod Křibkami) */
:root{
  --rb-dark:#122e27;
  --rb-dark-light:#1c453a;
  --rb-accent:#c98a2b;
  --rb-accent-light:#e0a94f;
  --rb-water:#3a6ea5;
  --rb-bg:#faf8f3;
  --rb-bg-alt:#f1ece1;
  --rb-text:#1c2420;
  --rb-text-muted:#5c6b62;
  --rb-border:#e4ddce;
  --rb-radius:14px;
  --rb-shadow:0 10px 30px rgba(18,46,39,.10);
  --rb-shadow-sm:0 2px 10px rgba(18,46,39,.08);
  --rb-maxw:1180px;
  --rb-font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --rb-font-display:Georgia,"Iowan Old Style","Palatino Linotype","Book Antiqua",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--rb-font);color:var(--rb-text);background:var(--rb-bg);
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.rb-lb-lock{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{margin:0 0 .45em;line-height:1.15;font-weight:700;color:var(--rb-dark);}
h1,h2{font-family:var(--rb-font-display);font-weight:700;}
p{margin:0 0 1em;color:var(--rb-text-muted);}
.rb-container{max-width:var(--rb-maxw);margin:0 auto;padding:0 24px;}
.rb-section{padding:84px 0;}
.rb-section-alt{background:var(--rb-bg-alt);}
.rb-eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--rb-accent);margin-bottom:10px;
}
.rb-section-head{max-width:640px;margin:0 auto 48px;text-align:center;}
.rb-section-head h2{font-size:clamp(1.6rem,3.2vw,2.3rem);}

/* Header */
.rb-header{
  position:sticky;top:0;z-index:20;background:rgba(18,46,39,.92);
  backdrop-filter:blur(6px);border-bottom:1px solid rgba(255,255,255,.08);
}
.rb-header-inner{
  max-width:var(--rb-maxw);margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.rb-brand{display:flex;align-items:center;gap:10px;font-family:var(--rb-font-display);font-weight:700;font-size:1.2rem;color:#fff;}
.rb-brand svg{flex:none;color:var(--rb-accent-light);}
.rb-nav{display:flex;gap:24px;flex-wrap:wrap;}
.rb-nav a{color:rgba(255,255,255,.82);font-size:.9rem;font-weight:600;letter-spacing:.02em;transition:.2s;}
.rb-nav a:hover{color:var(--rb-accent-light);}

/* Hero */
.rb-hero{
  position:relative;min-height:88vh;display:flex;align-items:flex-end;
  background:linear-gradient(180deg,rgba(18,46,39,.30),rgba(10,24,20,.90)),
             url("../assets/img/borek/g3.jpg") center/cover no-repeat;
}
.rb-hero-content{
  position:relative;max-width:var(--rb-maxw);margin:0 auto;padding:0 24px 96px;width:100%;color:#fff;
}
.rb-hero-content .rb-eyebrow{color:var(--rb-accent-light);}
.rb-hero-content h1{color:#fff;font-size:clamp(2.3rem,5.5vw,3.8rem);margin-bottom:.25em;}
.rb-hero-content p{color:rgba(255,255,255,.88);max-width:58ch;font-size:1.1rem;margin:0 0 30px;}
.rb-hero-stats{display:flex;gap:0;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.25);padding-top:22px;max-width:640px;}
.rb-hero-stats div{display:flex;flex-direction:column;flex:1;min-width:140px;padding-right:20px;}
.rb-hero-stats strong{font-family:var(--rb-font-display);font-size:1.7rem;color:var(--rb-accent-light);}
.rb-hero-stats span{font-size:.82rem;color:rgba(255,255,255,.75);letter-spacing:.02em;}
.rb-wave{position:absolute;left:0;right:0;bottom:-1px;line-height:0;}
.rb-wave svg{display:block;width:100%;height:64px;}

/* Rybníky — kaskádové propojení místo obyčejné mřížky karet */
.rb-cascade{display:flex;align-items:stretch;gap:0;}
.rb-cascade-node{
  flex:1;background:#fff;border:1px solid var(--rb-border);border-radius:var(--rb-radius);
  padding:30px 26px;box-shadow:var(--rb-shadow-sm);transition:.2s;position:relative;
}
.rb-cascade-node:hover{box-shadow:var(--rb-shadow);transform:translateY(-3px);}
.rb-cascade-area{
  display:inline-block;font-family:var(--rb-font-display);font-size:1.05rem;font-weight:700;
  color:var(--rb-accent);margin-bottom:10px;
}
.rb-cascade-node h3{font-size:1.15rem;}
.rb-cascade-node p{font-size:.93rem;margin-bottom:0;}
.rb-cascade-link{flex:none;width:56px;display:flex;align-items:center;justify-content:center;color:var(--rb-accent);opacity:.7;}

/* Aktuální dění — jednoduchý seznam s ikonou, ne karty */
.rb-care-list{display:flex;flex-direction:column;}
.rb-care-row{
  display:flex;gap:20px;align-items:flex-start;padding:26px 0;border-top:1px solid var(--rb-border);
}
.rb-care-row:last-child{border-bottom:1px solid var(--rb-border);}
.rb-care-row .icon{
  flex:none;width:46px;height:46px;border-radius:50%;background:var(--rb-dark);
  display:flex;align-items:center;justify-content:center;color:var(--rb-accent-light);
}
.rb-care-row h3{font-size:1.05rem;margin-bottom:.3em;}
.rb-care-row p{font-size:.94rem;margin-bottom:0;}

/* Aktuality — skutečná časová osa */
.rb-timeline{position:relative;padding-left:32px;}
.rb-timeline::before{
  content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(var(--rb-border),var(--rb-border));
}
.rb-tl-item{position:relative;padding-bottom:52px;}
.rb-tl-item:last-child{padding-bottom:0;}
.rb-tl-dot{
  position:absolute;left:-32px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--rb-accent);border:3px solid var(--rb-bg);box-shadow:0 0 0 2px var(--rb-accent);
}
.rb-tl-date{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.04em;
  color:var(--rb-accent);margin-bottom:6px;
}
.rb-tl-item h3{font-size:1.15rem;}
.rb-tl-item p{font-size:.95rem;max-width:62ch;}
.rb-tl-photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;margin-top:16px;max-width:640px;}
.rb-tl-photos a{border-radius:10px;overflow:hidden;border:1px solid var(--rb-border);box-shadow:var(--rb-shadow-sm);cursor:zoom-in;}
.rb-tl-photos img{aspect-ratio:4/3;object-fit:cover;width:100%;height:100%;transition:.25s;}
.rb-tl-photos a:hover img{transform:scale(1.05);}

/* Dokumentace k dotaci — mřížka drobných náhledů */
.rb-dotace-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;margin-top:18px;max-width:760px;
}
.rb-dotace-grid a{border-radius:8px;overflow:hidden;border:1px solid var(--rb-border);cursor:zoom-in;}
.rb-dotace-grid img{aspect-ratio:1/1;object-fit:cover;width:100%;height:100%;transition:.25s;}
.rb-dotace-grid a:hover img{transform:scale(1.08);}
.rb-dotace-grid .rb-dotace-extra{display:none;}
.rb-dotace-grid.is-expanded .rb-dotace-extra{display:block;}
.rb-btn-more{
  margin-top:14px;display:inline-flex;align-items:center;gap:6px;background:none;
  border:1px solid var(--rb-border);border-radius:999px;padding:9px 20px;font-size:.86rem;
  font-weight:700;color:var(--rb-dark);cursor:pointer;transition:.2s;font-family:var(--rb-font);
}
.rb-btn-more:hover{border-color:var(--rb-accent);color:var(--rb-accent);}

/* Fotogalerie — masonry (CSS columns), ne stejnoměrná mřížka */
.rb-masonry{columns:4 220px;column-gap:18px;}
.rb-gallery-item{
  display:block;break-inside:avoid;margin-bottom:18px;border-radius:var(--rb-radius);
  overflow:hidden;border:1px solid var(--rb-border);box-shadow:var(--rb-shadow-sm);
  position:relative;cursor:zoom-in;
}
.rb-gallery-item img{width:100%;height:auto;transition:.3s;}
.rb-gallery-item:hover img{transform:scale(1.04);}
.rb-gallery-cap{
  position:absolute;left:0;right:0;bottom:0;padding:20px 14px 10px;font-size:.82rem;color:#fff;
  background:linear-gradient(0deg,rgba(10,24,20,.75),transparent);
}

/* Lightbox */
.rb-lb-overlay{
  position:fixed;inset:0;background:rgba(8,18,15,.94);display:none;
  align-items:center;justify-content:center;z-index:100;padding:40px;
}
.rb-lb-overlay.is-open{display:flex;}
.rb-lb-figure{margin:0;max-width:92vw;max-height:88vh;display:flex;flex-direction:column;align-items:center;}
.rb-lb-img{max-width:92vw;max-height:80vh;width:auto;height:auto;border-radius:6px;box-shadow:0 20px 60px rgba(0,0,0,.5);}
.rb-lb-count{color:rgba(255,255,255,.7);font-size:.85rem;margin-top:14px;}
.rb-lb-close,.rb-lb-prev,.rb-lb-next{
  position:fixed;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  color:#fff;cursor:pointer;border-radius:50%;display:flex;align-items:center;justify-content:center;
  transition:.2s;
}
.rb-lb-close:hover,.rb-lb-prev:hover,.rb-lb-next:hover{background:var(--rb-accent);border-color:var(--rb-accent);}
.rb-lb-close{top:24px;right:24px;width:44px;height:44px;font-size:1.6rem;line-height:1;}
.rb-lb-prev,.rb-lb-next{top:50%;transform:translateY(-50%);width:52px;height:52px;font-size:2rem;line-height:1;}
.rb-lb-prev{left:20px;}
.rb-lb-next{right:20px;}

/* Footer */
.rb-footer{background:var(--rb-dark);padding:32px 0;}
.rb-footer p{color:rgba(255,255,255,.65);font-size:.86rem;margin:0;text-align:center;}

@media (max-width:900px){
  .rb-cascade{flex-direction:column;}
  .rb-cascade-link{width:auto;height:40px;transform:rotate(90deg);}
  .rb-masonry{columns:2 180px;}
  .rb-hero{background-attachment:scroll;}
  .rb-lb-prev,.rb-lb-next{width:42px;height:42px;font-size:1.6rem;}
  .rb-lb-prev{left:8px;}
  .rb-lb-next{right:8px;}
  .rb-lb-close{top:12px;right:12px;}
}
@media (max-width:600px){
  .rb-masonry{columns:1 100%;}
  .rb-hero-stats{gap:16px;}
  .rb-hero-stats div{min-width:100px;padding-right:8px;}
  .rb-section{padding:60px 0;}
}