/*
 * Изолированные стили экспериментальной шапки колледжа.
 * Палитра берётся из оригинального variables.css: var(--blue), var(--dark-blue), var(--banana).
 * Остальные блоки сайта не затрагиваются: все селекторы начинаются с .kpk-header.
 */
.kpk-header {
  --kpk-blue: var(--blue, #1558a6);
  --kpk-dark-blue: var(--dark-blue, #103d78);
  --kpk-text: #fff;
  --kpk-accent: var(--banana, #f0d76a);
  position: relative;
  z-index: 1000;
  width: 100%;
  color: var(--kpk-text);
  background: var(--kpk-blue);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .14);
  isolation: isolate;
}

.kpk-header,
.kpk-header * { box-sizing: border-box; }

.kpk-header a { color: #fff; text-decoration: none; }
.kpk-header button { font: inherit; }
.kpk-header button:focus-visible,
.kpk-header a:focus-visible {
  outline: 3px solid var(--kpk-accent);
  outline-offset: 3px;
}

.kpk-header__container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  width: min(100%, 1720px);
  min-height: 106px;
  margin: 0 auto;
  padding: 14px 24px;
}

.kpk-brand {
  display: flex;
  align-items: center;
  flex: 0 1 365px;
  min-width: 0;
  gap: 13px;
}

.kpk-brand__logo {
  display: block;
  flex: 0 0 auto;
  width: auto;
  height: 64px;
  max-width: 84px;
  object-fit: contain;
  margin: 0;
}

.kpk-brand__text { display: flex; flex-direction: column; min-width: 0; }
.kpk-brand__title {
  display: block;
  color: #fff;
  font-size: clamp(16px, 1.2vw, 21px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.015em;
}
.kpk-brand__tagline {
  display: block;
  margin-top: 5px;
  color: var(--kpk-accent);
  font-size: 13px;
  line-height: 1.3;
}

.kpk-header .kpk-nav {
  position: static;
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
}
.kpk-header .kpk-nav__list {
  position: static;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  gap: 3px;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}
.kpk-header .kpk-nav__item {
  position: static;
  display: flex;
  align-items: stretch;
  height: auto;
  min-width: 0;
  margin: 0;
  border: 0;
}

.kpk-header .kpk-nav__trigger,
.kpk-header .kpk-nav__quick-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 10px 11px;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: #fff;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.25;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease;
}
.kpk-header .kpk-nav__trigger > span { max-width: 150px; }
.kpk-header .kpk-nav__trigger > .fa-chevron-down {
  flex: 0 0 auto;
  font-size: 10px;
  transition: transform .2s ease;
}
.kpk-header .kpk-nav__trigger:hover,
.kpk-header .kpk-nav__quick-link:hover,
.kpk-header .kpk-nav__item.is-open > .kpk-nav__trigger {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.18);
  color: #fff;
}
.kpk-header .kpk-nav__item.is-open > .kpk-nav__trigger > .fa-chevron-down { transform: rotate(180deg); }
.kpk-header .kpk-nav__quick-link { white-space: nowrap; }
.kpk-header .kpk-nav__quick-link i { font-size: 13px; }

/* Mega-menu is attached to the custom header container, never to global nav/li styles. */
.kpk-header .kpk-mega {
  position: absolute;
  z-index: 1005;
  top: calc(100% - 1px);
  right: 24px;
  left: 24px;
  display: none;
  grid-template-columns: minmax(210px, .72fr) minmax(0, 2fr);
  gap: 24px;
  max-height: min(70vh, 680px);
  overflow: auto;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.12);
  border-top: 3px solid var(--kpk-accent);
  border-radius: 0 0 12px 12px;
  background: var(--kpk-dark-blue);
  box-shadow: 0 18px 35px rgba(0,0,0,.24);
  color: #fff;
  text-align: left;
}
.kpk-header .kpk-nav__item.is-open > .kpk-mega { display: grid; animation: kpk-mega-in .16s ease-out; }
@keyframes kpk-mega-in {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

.kpk-header .kpk-mega__intro {
  align-self: start;
  padding: 8px 18px 12px 4px;
  border-right: 1px solid rgba(255,255,255,.15);
}
.kpk-header .kpk-mega__eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--kpk-accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  line-height: 1.4;
}
.kpk-header .kpk-mega__intro h2 {
  margin: 0 0 11px;
  color: #fff;
  font-size: clamp(22px, 2vw, 29px);
  font-weight: 700;
  line-height: 1.15;
}
.kpk-header .kpk-mega__intro p {
  margin: 0;
  color: rgba(255,255,255,.78);
  font-size: 13px;
  line-height: 1.65;
}
.kpk-header .kpk-mega__featured-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 10px 12px;
  border-radius: 7px;
  background: rgba(255,255,255,.1);
  color: #fff;
  font-size: 13px;
  font-weight: 650;
}
.kpk-header .kpk-mega__featured-link:hover { background: rgba(255,255,255,.18); }

.kpk-header .kpk-mega__groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 11px;
  min-width: 0;
}
.kpk-header .kpk-menu-group {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  background: rgba(255,255,255,.035);
}
.kpk-header .kpk-menu-group__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  border: 0;
  background: transparent;
  color: #fff;
  text-align: left;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  transition: background-color .18s ease;
}
.kpk-header .kpk-menu-group__trigger > span { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.kpk-header .kpk-menu-group__trigger > span > i { width: 16px; color: var(--kpk-accent); text-align: center; }
.kpk-header .kpk-menu-group__chevron { flex: 0 0 auto; color: rgba(255,255,255,.7); font-size: 10px; transition: transform .18s ease; }
.kpk-header .kpk-menu-group.is-expanded .kpk-menu-group__trigger { background: rgba(255,255,255,.09); }
.kpk-header .kpk-menu-group.is-expanded .kpk-menu-group__chevron { transform: rotate(180deg); }
.kpk-header .kpk-menu-group__links {
  margin: 0;
  padding: 2px 0 8px;
  border-top: 1px solid rgba(255,255,255,.09);
  list-style: none;
}
.kpk-header .kpk-menu-group__links[hidden] { display: none !important; }
.kpk-header .kpk-menu-group__links li { margin: 0; padding: 0; }
.kpk-header .kpk-menu-group__links a {
  display: block;
  padding: 8px 13px 8px 39px;
  border-left: 2px solid transparent;
  color: rgba(255,255,255,.87);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
  overflow-wrap: anywhere;
  transition: background-color .16s ease, border-color .16s ease, padding-left .16s ease;
}
.kpk-header .kpk-menu-group__links a:hover {
  padding-left: 43px;
  border-left-color: var(--kpk-accent);
  background: rgba(255,255,255,.08);
  color: #fff;
}

.kpk-header .kpk-nav-close { display: none; }
.kpk-header .kpk-nav-toggle {
  display: none;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
}
.kpk-header .kpk-nav-overlay { display: none; }

/* Medium screens: keep the blue-and-white header, but reduce spacing before the mobile drawer kicks in. */
@media (max-width: 1250px) and (min-width: 993px) {
  .kpk-header__container { gap: 12px; padding-right: 15px; padding-left: 15px; }
  .kpk-brand { flex-basis: 290px; gap: 10px; }
  .kpk-brand__logo { height: 55px; max-width: 72px; }
  .kpk-brand__title { font-size: 16px; }
  .kpk-brand__tagline { font-size: 12px; }
  .kpk-header .kpk-nav__trigger, .kpk-header .kpk-nav__quick-link { padding: 9px 7px; font-size: 12px; }
  .kpk-header .kpk-mega { right: 15px; left: 15px; }
}

@media (max-width: 992px) {
  .kpk-header__container { min-height: 78px; padding: 11px 16px; gap: 12px; }
  .kpk-brand { flex: 1 1 auto; max-width: calc(100% - 60px); gap: 10px; }
  .kpk-brand__logo { height: 48px; max-width: 60px; }
  .kpk-brand__title { font-size: clamp(14px, 2.3vw, 18px); }
  .kpk-brand__tagline { margin-top: 3px; font-size: 11px; }
  .kpk-header .kpk-nav-toggle { display: inline-flex; }
  .kpk-header .kpk-nav { position: static; width: auto; }
  .kpk-header .kpk-nav__list {
    position: fixed;
    z-index: 10002;
    top: 0;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    width: min(90vw, 390px);
    height: 100dvh;
    margin: 0;
    padding: 76px 14px 24px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--kpk-dark-blue);
    box-shadow: 14px 0 34px rgba(0,0,0,.26);
    transform: translateX(-105%);
    visibility: hidden;
    transition: transform .26s ease, visibility .26s ease;
  }
  .kpk-header .kpk-nav.is-mobile-open .kpk-nav__list { transform: translateX(0); visibility: visible; }
  .kpk-header .kpk-nav__item { display: block; width: 100%; flex: 0 0 auto; border-bottom: 1px solid rgba(255,255,255,.15); }
  .kpk-header .kpk-nav__trigger,
  .kpk-header .kpk-nav__quick-link {
    display: flex;
    justify-content: space-between;
    width: 100%;
    min-height: 48px;
    padding: 12px 10px;
    border: 0;
    border-radius: 5px;
    background: transparent;
    color: #fff;
    text-align: left;
    font-size: 14px;
  }
  .kpk-header .kpk-nav__trigger > span { max-width: none; }
  .kpk-header .kpk-nav__quick-link { justify-content: flex-start; }
  .kpk-header .kpk-mega {
    position: static;
    display: none;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    max-height: none;
    overflow: visible;
    margin: 0 0 12px;
    padding: 14px 10px 10px;
    border: 1px solid rgba(255,255,255,.13);
    border-top: 2px solid var(--kpk-accent);
    border-radius: 8px;
    background: rgba(0,0,0,.12);
    box-shadow: none;
    animation: none;
  }
  .kpk-header .kpk-nav__item.is-open > .kpk-mega { display: grid; }
  .kpk-header .kpk-mega__intro { padding: 0 2px 12px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.14); }
  .kpk-header .kpk-mega__eyebrow { margin-bottom: 6px; }
  .kpk-header .kpk-mega__intro h2 { margin-bottom: 6px; font-size: 20px; }
  .kpk-header .kpk-mega__intro p { font-size: 12px; }
  .kpk-header .kpk-mega__featured-link { margin-top: 10px; }
  .kpk-header .kpk-mega__groups { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .kpk-header .kpk-menu-group__trigger { min-height: 44px; padding: 10px; font-size: 13px; }
  .kpk-header .kpk-menu-group__links a { padding: 9px 9px 9px 32px; font-size: 12px; }
  .kpk-header .kpk-menu-group__links a:hover { padding-left: 35px; }
  .kpk-header .kpk-nav-close {
    position: fixed;
    z-index: 10004;
    top: 16px;
    left: min(calc(90vw - 57px), 333px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255,255,255,.22);
    border-radius: 7px;
    background: rgba(255,255,255,.08);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
  }
  .kpk-header .kpk-nav.is-mobile-open .kpk-nav-close { opacity: 1; visibility: visible; }
  .kpk-header .kpk-nav-overlay {
    position: fixed;
    z-index: 10001;
    inset: 0;
    display: block;
    background: rgba(3,14,32,.62);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
  }
  .kpk-header .kpk-nav-overlay.is-active { opacity: 1; visibility: visible; }
  body.kpk-nav-lock { overflow: hidden; }
}

@media (max-width: 420px) {
  .kpk-header__container { padding-right: 12px; padding-left: 12px; }
  .kpk-brand { max-width: calc(100% - 54px); }
  .kpk-brand__logo { height: 42px; max-width: 48px; }
  .kpk-brand__title { font-size: 13px; }
  .kpk-brand__tagline { font-size: 10px; }
  .kpk-header .kpk-nav__list { width: 92vw; }
  .kpk-header .kpk-nav-close { left: calc(92vw - 57px); }
}

@media (prefers-reduced-motion: reduce) {
  .kpk-header *, .kpk-header *::before, .kpk-header *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}