header.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 40px;
  background: rgba(4,14,26,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(119,255,237,.12);
  box-shadow: 0 4px 32px rgba(0,0,0,.35);
  position: sticky; top: 0; z-index: 1000;
  gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 15px; letter-spacing: .5px;
  flex-shrink: 0; text-decoration: none;
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0;
  object-fit: contain;
}
.brand-text {
  font-weight: 800; font-size: 14px; letter-spacing: 1px; text-transform: uppercase;
  color: #E2E2E5;
}
nav.links { display: flex; gap: 30px; font-size: 14px; color: var(--muted); }
nav.links a, nav.links a:visited { color: var(--muted); text-decoration: none !important; border-bottom: none !important; box-shadow: none !important; outline: none !important; transition: color .2s; }
nav.links a:hover { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 18px; font-size: 14px; flex-shrink: 0; }

.lang { display: flex; align-items: center; gap: 5px; color: var(--muted); position: relative; }
.lang-toggle {
  display: flex; align-items: center; gap: 6px; background: transparent; border: none; padding: 6px 2px;
  color: var(--muted); font-family: inherit; font-size: 13px; font-weight: 700; letter-spacing: .3px;
  cursor: pointer; transition: color .2s;
}
.lang-toggle:hover { color: var(--text); }
.lang-toggle svg { flex-shrink: 0; }
.lang-chevron { transition: transform .2s; }
.lang.open .lang-chevron { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 10px); right: 0; min-width: 150px;
  background: linear-gradient(160deg,#0b2137,#071726); border: 1px solid rgba(119,255,237,.16);
  border-radius: 12px; box-shadow: 0 20px 50px rgba(0,0,0,.45); padding: 6px;
  display: flex; flex-direction: column; gap: 2px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  z-index: 200;
}
.lang.open .lang-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-option {
  display: block; width: 100%; text-align: left; background: transparent; border: none; border-radius: 8px;
  padding: 9px 12px; color: var(--muted); font-family: inherit; font-size: 13px; font-weight: 600;
  cursor: pointer; transition: background .15s, color .15s;
}
.lang-option:hover { background: rgba(255,255,255,.06); color: var(--text); }
.lang-option.active { color: var(--accent); background: rgba(117,255,240,.08); }

.btn {
  padding: 9px 18px; border-radius: 9px; font-size: 14px; font-weight: 700; letter-spacing: .3px;
  border: 1px solid var(--line); cursor: pointer; display: inline-block;
  transition: transform .18s, box-shadow .18s, background .2s, border-color .2s;
  font-family: 'Rubik', sans-serif; text-decoration: none;
}
.btn-primary { background: linear-gradient(135deg,#156a86,#1c3b5e); color: #E2E2E5; border: none; }
.btn-primary:hover { box-shadow: 0 10px 28px rgba(21,106,134,.4); background: linear-gradient(135deg,#1a7a9a,#204468); }
.btn-outline { background: rgba(255,255,255,.05); color: var(--text); border: 1px solid rgba(255,255,255,.14); }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: var(--accent); transform: translateY(-2px); }

    .hero { padding: 90px 0 40px; text-align: center; }
    .badge {
      display: inline-block; padding: 14px 28px;
      border: 1px solid rgba(117,255,240,.35);
      background: rgba(255,255,255,.04);
      backdrop-filter: blur(12px);
      border-radius: 10px; color: var(--accent);
      font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
    }
    .hero h1 {
      margin-top: 28px;
      font-size: clamp(42px, 7vw, 76px);
      line-height: 1.05; font-weight: 800; letter-spacing: -2px;
      color: #E2E2E5;
}
    .hero p { max-width: 680px; margin: 24px auto 0; font-size: 17px; line-height: 1.8; color: var(--muted); }
    .cal-card {
      background: #12151D;
      border: 1px solid var(--border-default);
      border-radius: var(--radius);
      overflow: hidden;
      margin-bottom: 60px;
    }
    .cal-toolbar {
      display: flex; align-items: center; justify-content: space-between;
      padding: 22px 26px;
      border-bottom: 1px solid var(--border-default);
      background: rgba(255,255,255,.02);
      flex-wrap: wrap; gap: 14px;
    }
    .cal-nav { display: flex; align-items: center; gap: 18px; }
    .cal-arrow {
      width: 36px; height: 36px; border-radius: 0;
      background: transparent; border: none;
      color: #E2E2E5; cursor: pointer; display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .cal-arrow:hover { background: transparent; border-color: transparent; color: #E2E2E5; }
    .cal-title {
      font-size: 28px; font-weight: 500; letter-spacing: -.3px;
      min-width: 200px; text-align: center;
      color: #E2E2E5;
}
    .cal-today-btn {
      padding: 9px 18px;
      border-radius: 9px;
      border: 1px solid var(--border-default);
      background: #12151D;
      color: #E2E2E5;
      font-family: 'Rubik', sans-serif;
      font-size: 14px; font-weight: 500;
      cursor: pointer;
      transition: background .2s, border-color .2s, transform .18s;
      flex-shrink: 0;
    }
    .cal-weekdays {
      display: grid; grid-template-columns: repeat(7, 1fr);
      background: rgba(255,255,255,.02);
      border-bottom: 1px solid var(--border-default);
    }
    .cal-weekdays span {
      padding: 12px 8px; text-align: center;
      font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
      color: #9BA1AE;
    }
    .cal-grid {
      display: grid; grid-template-columns: repeat(7, 1fr);
      opacity: 1; transition: opacity .12s ease;
    }
    .cal-grid.is-switching { opacity: 0; }
    .cal-cell {
      min-height: 110px; padding: 8px;
      border-right: 1px solid var(--border-default);
      border-bottom: 1px solid var(--border-default);
      display: flex; flex-direction: column; gap: 4px;
      transition: background .15s;
      overflow: hidden; min-width: 0;
    }
    .cal-grid .cal-cell:nth-child(7n) { border-right: none; }
    .cal-cell.outside { background: rgba(0,0,0,.15); }
    .cal-cell.outside .cal-daynum { color: #2f4a5c; }
    /* При наведении на ячейку календаря ничего не делаем — оставлено пустым намеренно. */
    .cal-cell:not(.outside):hover {
    }
    .cal-daynum {
      font-size: 13px; font-weight: 500; color: #E2E2E5;
      width: 26px; height: 26px; display: flex; align-items: center; justify-content: center;
      border-radius: 50%; flex-shrink: 0;
    }
    .cal-cell.today .cal-daynum {
      background: #1C202B;
      color: #E2E2E5;
      border: 1px solid var(--border-default);
      font-weight: 500;
      transition: background 3s ease, border-color 3s ease;
    }
    .cal-cell.today .cal-daynum.jump-highlight {
      background: linear-gradient(135deg, #1E3A5F, #038184);
      border-color: rgba(3,129,132,.4);
      transition: none;
    }
    .cal-chip {
      display: flex; align-items: center; gap: 5px;
      padding: 3px 7px 3px 6px; border-radius: 14px;
      background: #1C202B;
      border: 1px solid var(--border-default);
      color: #E2E2E5; text-decoration: none;
      font-size: 11px; font-weight: 400; line-height: 1.4;
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
      min-width: 0; max-width: 100%; width: 100%;
      transition: background .18s ease, border-color .18s ease;
    }
    .cal-chip .chip-time {
      color: #E2E2E5; font-weight: 400; flex-shrink: 0;
      letter-spacing: 0.04em;
    }
    .cal-more {
      font-size: 10.5px; font-weight: 700; color: #6f93ab;
      padding: 2px 7px; cursor: pointer; user-select: none;
    }
    .cal-more:hover { color: var(--accent); }

    .ev-tooltip {
      position: fixed;
      z-index: 1000;
      max-width: 260px;
      padding: 8px 12px;
      background: #0d1b2a;
      border: 1px solid var(--border-default);
      border-radius: 8px;
      color: var(--text);
      font-size: 12px;
      font-weight: 700;
      line-height: 1.4;
      text-align: center;
      box-shadow: 0 10px 30px rgba(0,0,0,.55);
      opacity: 0;
      transform: translateY(-4px) scale(.94);
      transform-origin: center top;
      pointer-events: none;
      transition: opacity .18s ease, transform .18s cubic-bezier(.34,1.56,.64,1);
    }
    .ev-tooltip.show { opacity: 1; transform: translateY(0) scale(1); }
footer{border-top:1px solid rgba(119,255,237,.1);padding:14px 40px 0;margin-top:14px;position:relative;}
.back-to-top{
  position:absolute;right:24px;bottom:10px;width:62px;height:62px;border-radius:14px;
  background:none;border:none;
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  cursor:pointer;transition:.2s;z-index:2;
}
.back-to-top:hover{color:var(--accent);transform:translateY(-3px);}
.back-to-top svg{display:block;}
@media (max-width:720px){ .back-to-top{right:16px;bottom:0;width:58px;height:58px;} .back-to-top svg{width:42px;height:42px;} }