/* components.css — header, footer, картки, форми, таби, акордеон, бейджі */

/* ===== HEADER ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:500;
  height:var(--header-h);
  display:flex;align-items:center;
  background:rgba(11,14,20,.35);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:height .35s ease, background-color .35s ease, border-color .35s ease;
}
:root[data-theme="light"] .site-header{background:rgba(243,245,249,.5)}
.site-header.is-condensed{height:var(--header-h-s);background:rgba(11,14,20,.72);border-bottom-color:var(--border)}
:root[data-theme="light"] .site-header.is-condensed{background:rgba(243,245,249,.82)}

.header-inner{display:flex;align-items:center;gap:28px;width:100%}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--ff-head);font-weight:800;flex:none}
.brand img{height:38px;width:auto;transition:height .3s ease}
.is-condensed .brand img{height:32px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px}
.brand-text span{font-size:11px;color:var(--text-dim);font-weight:600;letter-spacing:.02em}
@media (max-width:560px){.brand-text{display:none}}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1}
.main-nav > ul{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.nav-link{
  display:flex;align-items:center;gap:4px;padding:10px 14px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--text-dim);white-space:nowrap;
  transition:color .2s ease, background-color .2s ease;
}
.nav-link:hover,.nav-link.is-active{color:var(--text);background:var(--surface)}
.nav-item{position:relative}
.nav-item.disabled{cursor:not-allowed}
.nav-item.disabled .nav-link{color:var(--text-dim);opacity:.55}
.nav-dropdown{
  position:absolute;top:100%;left:0;margin-top:6px;min-width:280px;max-height:70vh;overflow:auto;
  border-radius:var(--radius-m);padding:10px;box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease, transform .22s ease, visibility .22s;
  z-index:10;
}
.nav-item:hover .nav-dropdown,.nav-item:focus-within .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a,.nav-dropdown .nav-sub-label{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px;color:var(--text)}
.nav-dropdown a:hover{background:var(--surface-strong);color:var(--accent-2)}
.nav-dropdown .nav-sub-label{color:var(--text-dim);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.08em;padding-top:14px}
.nav-dropdown .years-row{display:flex;flex-wrap:wrap;gap:6px;padding:6px 12px 4px}
.nav-dropdown .years-row a{padding:5px 9px;background:var(--surface);font-size:12.5px}

.header-actions{display:flex;align-items:center;gap:8px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  transition:border-color .2s, background-color .2s, transform .2s;
}
.icon-btn:hover{border-color:var(--border-strong);transform:translateY(-2px)}
.icon-btn svg{width:18px;height:18px}
.search-trigger{display:flex;align-items:center;gap:8px;padding:0 14px;width:auto;border-radius:999px}
.search-trigger kbd{font-family:var(--ff-head);font-size:11px;background:var(--surface-strong);padding:2px 6px;border-radius:5px;border:1px solid var(--border)}
@media (max-width:760px){.search-trigger .kbd-label{display:none}}

.burger{display:none}
@media (max-width:900px){
  .main-nav{display:none}
  .burger{display:flex}
  .header-actions .cta-header{display:none}
}

/* mobile fullscreen overlay */
.mobile-menu{
  position:fixed;inset:0;z-index:600;background:var(--bg);
  display:flex;flex-direction:column;padding:96px 24px 40px;
  opacity:0;visibility:hidden;transition:opacity .35s ease, visibility .35s;
  overflow-y:auto;
}
.mobile-menu.is-open{opacity:1;visibility:visible}
.mobile-menu-close{position:fixed;top:20px;right:20px;z-index:610}
.mobile-menu ul{display:flex;flex-direction:column;gap:4px}
.mobile-menu .m-link{font-family:var(--ff-head);font-size:22px;font-weight:800;padding:12px 4px;border-bottom:1px solid var(--border);opacity:0;transform:translateY(16px)}
.mobile-menu .m-children{display:flex;flex-direction:column;gap:2px;padding:4px 0 10px 12px}
.mobile-menu .m-children a{font-size:14px;font-weight:600;color:var(--text-dim);padding:8px 4px}
.mobile-menu-cta{margin-top:24px;opacity:0;transform:translateY(16px)}
.mobile-menu-foot{margin-top:auto;padding-top:24px;color:var(--text-dim);font-size:13px}

/* ===== FOOTER ===== */
.site-footer{border-top:1px solid var(--border);padding:64px 0 28px;position:relative;background:var(--bg-soft)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand img{height:34px;margin-bottom:14px}
.footer-brand p{color:var(--text-dim);font-size:13.5px;max-width:320px}
.footer-col h4{font-family:var(--ff-head);font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:9px}
.footer-col a{font-size:14px;color:var(--text)}
.footer-col a:hover{color:var(--accent-2)}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--text-dim);font-size:12.5px}
.footer-social{display:flex;gap:8px}

/* ===== CARDS ===== */
.card{border-radius:var(--radius-l);overflow:hidden;position:relative}
.news-card{display:flex;flex-direction:column}
.news-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.news-card:hover .thumb img{transform:scale(1.07)}
.news-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card .date{font-size:12px;color:var(--text-dim);font-weight:700;letter-spacing:.04em}
.news-card h3{font-size:17px;line-height:1.35}
.news-card p{color:var(--text-dim);font-size:13.5px;flex:1}
.news-card .read-more{font-size:13px;font-weight:700;color:var(--accent-2);display:inline-flex;align-items:center;gap:6px}

.seminar-row{display:flex;align-items:center;gap:20px;padding:20px 22px;border-radius:var(--radius-m)}
.seminar-row .date-block{flex:none;width:74px;height:74px;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--surface-strong);border:1px solid var(--border)}
.seminar-row .date-block b{font-family:var(--ff-head);font-size:22px;line-height:1}
.seminar-row .date-block span{font-size:11px;color:var(--text-dim);text-transform:uppercase}
.seminar-row .info{flex:1;min-width:0}
.seminar-row h3{font-size:15.5px;margin-bottom:4px}
.seminar-row p{color:var(--text-dim);font-size:13px;margin:0}
.seminar-row.is-next{border:1px solid rgba(255,176,32,.4);background:rgba(255,176,32,.06)}

.doc-row{display:flex;align-items:center;gap:14px;padding:16px 18px;border-radius:var(--radius-m)}
.doc-row .doc-ico{width:42px;height:42px;border-radius:11px;background:var(--surface-strong);display:flex;align-items:center;justify-content:center;flex:none;color:var(--accent-2)}
.doc-row .doc-meta{flex:1;min-width:0}
.doc-row h4{font-size:14.5px;margin:0 0 2px;font-weight:700}
.doc-row .doc-sub{font-size:12px;color:var(--text-dim)}
.doc-row .doc-dl{flex:none}

.partner-tile{
  height:76px;min-width:120px;display:flex;align-items:center;justify-content:center;padding:14px 26px;
  border-radius:16px;filter:grayscale(1) brightness(1.5) contrast(.8);opacity:.62;
  transition:filter .3s ease, opacity .3s ease, transform .3s ease;
}
/* явна резервована ширина, щоб лого (напр. sbu.jpg) не колапсувало в 0×0 до/під час завантаження в marquee */
.partner-tile img{height:34px;width:88px;object-fit:contain}
.partner-tile:hover{filter:none;opacity:1;transform:translateY(-3px)}

/* tabs */
.tabs-bar{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.tabs-bar::-webkit-scrollbar{height:6px}
.tab-btn{flex:none;padding:10px 18px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-dim);font-weight:700;font-size:13.5px;font-family:var(--ff-head)}
.tab-btn.is-active{color:#fff;background:linear-gradient(135deg,var(--accent),#6f6bff);border-color:transparent}
.tabs-bar.sticky-tabs{position:sticky;top:calc(var(--header-h-s) + 14px);z-index:80;padding:10px;border-radius:16px;background:rgba(11,14,20,.7);backdrop-filter:blur(14px);border:1px solid var(--border)}
:root[data-theme="light"] .tabs-bar.sticky-tabs{background:rgba(243,245,249,.82)}

/* accordion */
.accordion-item{border-bottom:1px solid var(--border)}
.accordion-item:first-child{border-top:1px solid var(--border)}
.accordion-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 4px;text-align:left;font-family:var(--ff-head);font-weight:700;font-size:16px}
.accordion-trigger .chev{transition:transform .3s ease;color:var(--accent-2);flex:none}
.accordion-item.is-open .chev{transform:rotate(180deg)}
.accordion-panel{max-height:0;overflow:hidden;transition:max-height .35s ease}
.accordion-panel-inner{padding:0 4px 20px;color:var(--text-dim);font-size:14.5px;max-width:74ch}

/* forms */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:18px}
.field label{font-size:13px;font-weight:700;color:var(--text-dim)}
.field input,.field select,.field textarea{
  padding:13px 15px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--text);
  transition:border-color .2s ease, background-color .2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);background:var(--surface-strong)}
.field .hint{font-size:12px;color:var(--text-dim)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger)}
.field .err-msg{font-size:12px;color:var(--danger);display:none}
.field.has-error .err-msg{display:block}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.field-row{grid-template-columns:1fr}}

.chip-select{display:flex;flex-wrap:wrap;gap:10px}
.chip-select label{display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:12px;border:1px solid var(--border);background:var(--surface);font-size:13.5px;cursor:pointer;transition:.2s}
.chip-select input{position:absolute;opacity:0;pointer-events:none}
.chip-select label:has(input:checked){border-color:var(--accent);background:rgba(61,139,255,.12);color:#fff}

/* badges/status */
.status-badge{
  display:inline-flex;align-items:center;gap:10px;padding:9px 16px 9px 12px;border-radius:999px;
  font-size:13px;font-weight:700;
}