/* ============================================================================
   Sina Kör Egyesület — sinakor.hu  (static site)
   Design system: Forrás Water Finance tokens (petrol + warm stone, Spectral /
   IBM Plex). Editorial, print-first feel translated to screen.
   ============================================================================ */
:root{
  --petrol-950:#08272A; --petrol-900:#0A3236; --petrol-800:#0C3F40; --petrol-700:#0E4F4B;
  --petrol-600:#12605A; --petrol-400:#2E8C82; --petrol-100:#D6E6E2; --petrol-050:#EAF1EF;
  --ink:#16201E; --stone-700:#46524E; --stone-500:#76817B; --stone-300:#C0BFB2;
  --stone-200:#DAD5C8; --stone-100:#EFEBE0; --paper:#F6F4EE; --white:#FCFBF7; --brass:#A9772F;
  --serif:"Spectral",Georgia,"Times New Roman",serif;
  --sans:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --maxw:1080px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);
  font-size:18px;line-height:1.62;-webkit-font-smoothing:antialiased;}
a{color:var(--petrol-700);text-decoration:none;}
a:hover{color:var(--petrol-900);}
img,svg{max-width:100%;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.kicker{font-family:var(--sans);font-weight:600;font-size:12.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--petrol-700);}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.015em;line-height:1.12;color:var(--ink);}
h1{font-size:48px;font-weight:300;}
h2{font-size:32px;}
h3{font-size:22px;font-weight:500;}
.rule{border:0;border-top:2.5px solid var(--ink);margin:0;}
.hairline{border:0;border-top:1px solid var(--stone-200);margin:32px 0;}

/* lang visibility */
[data-lang]{display:none;}
body.lang-hu [data-lang="hu"]{display:revert;}
body.lang-en [data-lang="en"]{display:revert;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,244,238,.94);
  backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--stone-200);}
.site-header .bar{display:flex;align-items:center;gap:18px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:12px;}
.brand .div{width:1px;align-self:stretch;background:var(--stone-200);margin:3px 0;}
.brand .name{font-family:var(--serif);font-weight:500;font-size:21px;line-height:1;color:var(--ink);}
.brand .desc{font-family:var(--sans);font-weight:500;font-size:7px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--stone-700);margin-top:5px;}
.nav{margin-left:auto;display:flex;align-items:center;gap:22px;}
.nav a.navlink{font-family:var(--sans);font-weight:500;font-size:13.5px;letter-spacing:.02em;color:var(--ink);}
.nav a.navlink:hover{color:var(--petrol-700);}
.nav a.navlink.active{color:var(--petrol-700);border-bottom:2px solid var(--petrol-700);padding-bottom:2px;}
.langtoggle{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.06em;
  border:1px solid var(--stone-300);border-radius:2px;overflow:hidden;display:inline-flex;}
.langtoggle button{font:inherit;border:0;background:transparent;color:var(--stone-700);
  padding:5px 9px;cursor:pointer;}
.langtoggle button.on{background:var(--petrol-700);color:var(--white);}
.btn{font-family:var(--sans);font-weight:600;font-size:13.5px;letter-spacing:.02em;
  display:inline-block;padding:9px 16px;border-radius:2px;cursor:pointer;border:1px solid transparent;}
.btn-primary{background:var(--petrol-700);color:var(--white);}
.btn-primary:hover{background:var(--petrol-900);color:var(--white);}
.btn-ghost{background:transparent;color:var(--petrol-700);border-color:var(--petrol-700);}
.btn-ghost:hover{background:var(--petrol-050);}
.menu-toggle{display:none;margin-left:auto;background:none;border:0;cursor:pointer;}

/* ---------- hero ---------- */
.hero{padding:72px 0 40px;}
.hero .eyebrow{margin-bottom:18px;}
.hero h1{max-width:18ch;margin:0 0 10px;}
.hero .sub{font-style:italic;font-weight:300;font-size:22px;color:var(--petrol-700);margin:0 0 22px;}
.hero .lead{font-size:19px;color:var(--stone-700);max-width:60ch;}
.hero .cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap;}
.callout{background:var(--petrol-050);border:1px solid var(--petrol-100);border-left:3px solid var(--brass);
  padding:16px 20px;margin:28px 0;font-size:16px;}

/* ---------- sections ---------- */
section.block{padding:40px 0;}
section.block.alt{background:var(--white);border-top:1px solid var(--stone-200);border-bottom:1px solid var(--stone-200);}
.grid{display:grid;gap:24px;}
.grid.cols-2{grid-template-columns:1fr 1fr;}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.card{background:var(--white);border:1px solid var(--stone-200);padding:22px;}
.card h3{margin:0 0 8px;}
.card p{margin:0;color:var(--stone-700);font-size:16px;}
.doublelist{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;}
.doublelist .col h3{font-size:15px;font-family:var(--sans);text-transform:uppercase;letter-spacing:.06em;
  color:var(--petrol-700);font-weight:600;}
ul.ticks{list-style:none;padding:0;margin:0;}
ul.ticks li{padding:6px 0 6px 22px;position:relative;border-bottom:1px solid var(--stone-100);font-size:16px;}
ul.ticks li::before{content:"·";position:absolute;left:6px;color:var(--brass);font-weight:700;}
table.tbl{width:100%;border-collapse:collapse;font-size:15px;margin:12px 0;}
table.tbl th{font-family:var(--sans);font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--stone-700);text-align:left;padding:8px;border-bottom:2px solid var(--ink);}
table.tbl td{padding:8px;border-bottom:1px solid var(--stone-200);vertical-align:top;}

/* ---------- footer ---------- */
.site-footer{background:var(--petrol-950);color:#EAF1EF;margin-top:48px;padding:42px 0 28px;}
.site-footer a{color:#9FBDB7;}
.site-footer a:hover{color:#EAF1EF;}
.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px;}
.site-footer .name{font-family:var(--serif);font-size:20px;color:#fff;}
.site-footer h4{font-family:var(--sans);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:#9FBDB7;margin:0 0 10px;}
.site-footer ul{list-style:none;padding:0;margin:0;font-size:14px;line-height:1.9;}
.site-footer .legal{margin-top:26px;padding-top:16px;border-top:1px solid rgba(159,189,183,.3);
  font-family:var(--sans);font-size:11.5px;color:#9FBDB7;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}

/* ---------- member login + area ---------- */
.login-wrap{max-width:440px;margin:60px auto;background:var(--white);border:1px solid var(--stone-200);padding:34px;}
.login-wrap h1{font-size:30px;margin:0 0 6px;}
.login-wrap label{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;color:var(--stone-700);display:block;margin:18px 0 6px;}
.login-wrap input{width:100%;font-family:var(--sans);font-size:16px;padding:11px 12px;
  border:1px solid var(--stone-300);border-radius:2px;background:var(--paper);}
.login-wrap .btn{width:100%;text-align:center;margin-top:18px;}
.login-msg{font-family:var(--sans);font-size:13px;margin-top:12px;min-height:18px;}
.login-msg.err{color:#9A3B2E;}
.note-box{font-family:var(--sans);font-size:12px;color:var(--stone-700);background:var(--stone-100);
  border:1px solid var(--stone-200);padding:12px 14px;margin-top:20px;line-height:1.5;}
.doc-list{display:grid;gap:0;border-top:1px solid var(--stone-200);}
.doc-row{display:flex;align-items:center;gap:16px;padding:14px 4px;border-bottom:1px solid var(--stone-200);}
.doc-row .num{font-family:var(--mono);font-size:13px;color:var(--petrol-700);width:34px;flex:none;}
.doc-row .meta{flex:1;}
.doc-row .meta .t{font-family:var(--serif);font-size:18px;}
.doc-row .meta .d{font-family:var(--sans);font-size:12px;color:var(--stone-500);}
.doc-row .dl{font-family:var(--sans);font-size:13px;font-weight:600;white-space:nowrap;}
.hidden{display:none !important;}

/* ---------- responsive ---------- */
@media(max-width:820px){
  h1{font-size:36px;} h2{font-size:26px;}
  .nav{position:fixed;inset:56px 0 auto 0;background:var(--paper);flex-direction:column;
    align-items:flex-start;gap:14px;padding:18px 24px;border-bottom:1px solid var(--stone-200);
    transform:translateY(-130%);transition:transform .2s;}
  .nav.open{transform:translateY(0);}
  .menu-toggle{display:inline-flex;}
  .grid.cols-2,.grid.cols-3,.doublelist,.site-footer .cols{grid-template-columns:1fr;}
}