:root{
  --prussian:#1D3A5F;      /* berlinsko plavo – prvi sintetički pigment */
  --sulfate:#2E8FC9;       /* plavi kamen, CuSO4·5H2O */
  --dichromate:#E8930C;    /* kalijum-dihromat */
  --paper:#F3F5F7;
  --white:#FFFFFF;
  --ink:#1A2433;
  --muted:#5A6678;
  --line:#D5DCE4;
  --tile-bg:#FFFFFF;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0F1A28; --white:#16243A; --ink:#E6ECF3; --muted:#9AA8BA;
    --line:#2A3B55; --tile-bg:#16243A; --prussian:#7FB0E0;
  }
}
:root[data-theme="dark"]{
  --paper:#0F1A28; --white:#16243A; --ink:#E6ECF3; --muted:#9AA8BA;
  --line:#2A3B55; --tile-bg:#16243A; --prussian:#7FB0E0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.7 "Source Serif 4",Georgia,serif}
h1,h2,h3,.nav,.btn,.tile,.meta,label,.draft{font-family:"Archivo",system-ui,sans-serif}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-stretch:90%}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:750;color:var(--prussian)}
h3{font-size:1.2rem;font-weight:650}
a{color:var(--sulfate)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--dichromate);outline-offset:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.prose{max-width:68ch}

.draft{background:var(--dichromate);color:#1A1205;font-size:.85rem;text-align:center;padding:.4rem 16px}

header.site{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:68px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink)}
.mark{width:44px;height:44px;border:2px solid var(--prussian);display:grid;place-items:center;position:relative;font:800 1.05rem/1 "Archivo",system-ui,sans-serif;color:var(--prussian)}
.mark small{position:absolute;top:2px;left:4px;font-size:.55rem;font-weight:600}
.brand span{font:650 .95rem/1.2 "Archivo",system-ui,sans-serif;max-width:16rem}
.nav{display:flex;gap:1.4rem;font-size:.95rem}
.nav a{color:var(--ink);text-decoration:none;padding:.3rem 0;border-bottom:2px solid transparent}
.nav a:hover{border-color:var(--sulfate)}
.menu-btn{display:none;background:none;border:1px solid var(--line);padding:.45rem .7rem;font:600 .9rem "Archivo",system-ui,sans-serif;color:var(--ink);cursor:pointer}
@media (max-width:860px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--white);flex-direction:column;gap:0;padding:.5rem 16px 1rem;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:.6rem 0;border-bottom:1px solid var(--line)}
}

/* HERO: sekcije kao periodni sistem */
.hero{padding:3.5rem 0 3rem}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:3rem;align-items:center}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:800;font-stretch:80%;color:var(--prussian);letter-spacing:-.01em}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:40ch}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.btn{display:inline-block;padding:.75rem 1.2rem;font-weight:650;font-size:.98rem;text-decoration:none;border:2px solid var(--prussian);cursor:pointer}
.btn.primary{background:var(--prussian);color:var(--paper)}
.btn.ghost{color:var(--prussian);background:transparent}
.table{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.tile{background:var(--tile-bg);border:1.5px solid var(--line);aspect-ratio:1;padding:.45rem .5rem;display:flex;flex-direction:column;justify-content:space-between;text-align:left;cursor:pointer;color:var(--ink);transition:border-color .15s, transform .15s}
.tile .z{font-size:.7rem;color:var(--muted)}
.tile .sym{font-size:clamp(1.4rem,3vw,2.1rem);font-weight:800;font-stretch:85%;line-height:1}
.tile .nm{font-size:.68rem;line-height:1.2;color:var(--muted)}
.tile[data-g="a"] .sym{color:var(--prussian)}
.tile[data-g="b"] .sym{color:var(--sulfate)}
.tile[data-g="c"] .sym{color:var(--dichromate)}
.tile:hover{border-color:var(--sulfate)}
.tile[aria-pressed="true"]{border-color:var(--prussian);border-width:3px;transform:translateY(-3px)}
.tile.empty{visibility:hidden}
.readout{margin-top:1rem;border-left:4px solid var(--dichromate);padding:.6rem 1rem;background:var(--white);min-height:5.2rem}
.readout h3{margin:0 0 .2rem;font-size:1.05rem}
.readout p{margin:0;font-size:.98rem;color:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:1rem;font:500 .8rem "Archivo",system-ui,sans-serif;color:var(--muted);margin-top:.7rem}
.legend i{display:inline-block;width:.7rem;height:.7rem;margin-right:.35rem;vertical-align:-1px}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr;gap:2rem}.hero{padding-top:2.2rem}}
@media (max-width:420px){.tile .nm{display:none}}

section.block{padding:4rem 0;border-top:1px solid var(--line)}
section.alt{background:var(--white)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
@media (max-width:760px){.two{grid-template-columns:1fr;gap:1.5rem}}
.facts{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.facts li{display:flex;justify-content:space-between;gap:1rem;padding:.8rem 0;border-bottom:1px solid var(--line)}
.facts b{font:700 1.25rem "Archivo",system-ui,sans-serif;color:var(--prussian)}

/* Događaji */
.events{list-style:none;margin:1.5rem 0 0;padding:0}
.events li{display:grid;grid-template-columns:6.5rem 1fr auto;gap:1.5rem;align-items:baseline;padding:1.2rem 0;border-bottom:1px solid var(--line)}
.date{font:800 1.5rem/1 "Archivo",system-ui,sans-serif;font-stretch:80%;color:var(--prussian)}
.date small{display:block;font-size:.8rem;font-weight:500;color:var(--muted);margin-top:.25rem}
.events h3{margin:0 0 .2rem}
.events p{margin:0;color:var(--muted);font-size:.98rem}
.meta{font-size:.85rem;color:var(--muted);white-space:nowrap}
@media (max-width:640px){.events li{grid-template-columns:1fr;gap:.3rem}}

/* Publikacije */
.pubs{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:1.5rem}
.pub{border-top:4px solid var(--sulfate);padding-top:1rem}
.pub:nth-child(2){border-color:var(--prussian)}
.pub:nth-child(3){border-color:var(--dichromate)}
.pub p{color:var(--muted);margin:.3rem 0 .6rem}
@media (max-width:760px){.pubs{grid-template-columns:1fr}}

/* Članstvo */
.tiers{list-style:none;padding:0;margin:1.2rem 0 0;border-top:1px solid var(--line)}
.tiers li{display:flex;justify-content:space-between;gap:1rem;padding:.9rem 0;border-bottom:1px solid var(--line)}
.tiers span{color:var(--muted);font-size:.95rem}
.tiers b{font-family:"Archivo",system-ui,sans-serif;white-space:nowrap}
form{display:grid;gap:1rem;background:var(--paper);padding:1.5rem;border:1px solid var(--line)}
label{display:grid;gap:.3rem;font-size:.9rem;font-weight:600}
input,select,textarea{font:400 1rem "Source Serif 4",serif;padding:.65rem .7rem;border:1px solid var(--line);background:var(--white);color:var(--ink);width:100%}
.note{font-size:.88rem;color:var(--muted);margin:0}
.ok{display:none;border-left:4px solid var(--sulfate);padding:.6rem 1rem;background:var(--white)}
.tabs{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:1.8rem 0 2.2rem;border-bottom:2px solid var(--line)}
.tab{background:none;border:0;border-bottom:4px solid transparent;margin-bottom:-2px;padding:1rem 1rem 1rem 0;text-align:left;cursor:pointer;color:var(--muted);display:grid;gap:.15rem}
.tab-t{font:750 clamp(1.15rem,2.4vw,1.5rem)/1.2 "Archivo",system-ui,sans-serif;font-stretch:88%}
.tab-s{font:400 .9rem "Archivo",system-ui,sans-serif}
.tab[aria-selected="true"]{color:var(--prussian);border-bottom-color:var(--prussian)}
#tab-pl[aria-selected="true"]{color:var(--sulfate);border-bottom-color:var(--sulfate)}
.tab:hover{color:var(--ink)}
.ptitle{font-size:1.5rem;color:var(--prussian)}
#clanstvo-pravna-lica .ptitle{color:var(--sulfate)}
h4{font:700 1rem "Archivo",system-ui,sans-serif;margin:1.6rem 0 .4rem}
.perks{margin:0;padding-left:1.2rem}
.perks li{margin:.25rem 0}
.perks li::marker{color:var(--dichromate)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:480px){.row{grid-template-columns:1fr}.tab-s{display:none}}
fieldset{border:1px solid var(--line);padding:1rem;margin:0;display:grid;gap:1rem}
legend{font:700 .9rem "Archivo",system-ui,sans-serif;padding:0 .3rem}
label.check{display:flex;align-items:center;gap:.5rem;font-weight:500}
label.check input{width:auto}

footer{background:var(--prussian);color:#E6ECF3;padding:3rem 0 2rem}
:root[data-theme="dark"] footer{background:#0A1320}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) footer{background:#0A1320}}
footer a{color:#BFE0F7}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem}
.foot h3{color:#fff;font-size:1rem}
.foot ul{list-style:none;padding:0;margin:0}
.copy{margin-top:2rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.2);font-size:.85rem;color:#B8C4D3}
@media (max-width:760px){.foot{grid-template-columns:1fr}}
.ph{background:rgba(232,147,12,.18);padding:0 .2em}
[aria-invalid="true"]{border-color:#C0392B;outline:2px solid #C0392B}
[hidden]{display:none!important}
.nav a[aria-current="page"]{border-color:var(--prussian);color:var(--prussian);font-weight:600}
.page-head{padding:3rem 0 2rem;background:var(--white);border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(2rem,4.2vw,3.1rem);font-weight:800;font-stretch:80%;color:var(--prussian);margin:0 0 .4rem}
.page-head p{margin:0;color:var(--muted);font-size:1.15rem;max-width:60ch}
.crumbs{font:500 .85rem "Archivo",system-ui,sans-serif;color:var(--muted);margin-bottom:.8rem}
.crumbs a{color:var(--muted)}
.page-head + section.block{border-top:0;padding-top:2.5rem}
.page-head + section.block .tabs{margin-top:0}
/* početna: brzi linkovi kao ćelije */
.quick{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.quick a{background:var(--tile-bg);border:1.5px solid var(--line);padding:1rem 1.1rem;text-decoration:none;color:var(--ink);display:grid;grid-template-columns:auto 1fr;gap:.2rem 1rem;align-items:center;min-height:8.5rem}
.quick a:hover{border-color:var(--sulfate)}
.quick .sym{grid-row:span 2;font:800 2.6rem/1 "Archivo",system-ui,sans-serif;font-stretch:85%}
.quick .t{font:700 1.1rem/1.2 "Archivo",system-ui,sans-serif}
.quick .d{font:400 .88rem/1.35 "Archivo",system-ui,sans-serif;color:var(--muted)}
.quick a:nth-child(1) .sym{color:var(--prussian)}
.quick a:nth-child(2) .sym{color:var(--sulfate)}
.quick a:nth-child(3) .sym{color:var(--dichromate)}
.quick a:nth-child(4) .sym{color:var(--prussian)}
@media (max-width:480px){.quick{grid-template-columns:1fr}.quick a{min-height:0}}
/* sekcije: lista */
.sek-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0 3rem}
.sek-list li{display:grid;grid-template-columns:3.2rem 1fr;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line)}
.sek-list .s{font:800 1.6rem/1 "Archivo",system-ui,sans-serif;font-stretch:85%}
.sek-list h3{margin:0 0 .2rem;font-size:1.05rem}
.sek-list p{margin:0;color:var(--muted);font-size:.97rem}
.sek-list [data-g="a"] .s{color:var(--prussian)}
.sek-list [data-g="b"] .s{color:var(--sulfate)}
.sek-list [data-g="c"] .s{color:var(--dichromate)}
@media (max-width:760px){.sek-list{grid-template-columns:1fr}}
.sek-table{max-width:640px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
label.consent{align-items:flex-start;font-weight:400;font-size:.88rem;line-height:1.45}
label.consent input{margin-top:.2rem;flex:none}
.ok:focus{outline:none}
.ok.err{border-left-color:#C0392B}
.btn[disabled]{opacity:.7;cursor:wait}
.brand .logo{height:56px;width:auto;display:block}
@media (max-width:480px){.brand .logo{height:44px}.brand span{font-size:.85rem}}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .brand .logo{background:#fff;padding:3px 6px;border-radius:4px}}
:root[data-theme="dark"] .brand .logo{background:#fff;padding:3px 6px;border-radius:4px}
.tiers b{align-self:flex-start}