/* ============================================================
   PerfectRent — Шапка, мобильное меню, подвал
   ============================================================ */

/* ---------- Шапка ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 100%;
}

/* ---------- Логотип ---------- */
.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  flex: none;
}

.brand__logo {
  display: block;
  height: 40px;
  width: auto;
  object-fit: contain;
}

.brand--footer .brand__logo {
  height: 50px;
}

.brand__tagline {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-3);
  white-space: nowrap;
}
.brand--footer .brand__tagline {
  font-size: 0.72rem;
}

/* ---------- Навигация ---------- */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-inline: auto;
}

.main-nav__link {
  position: relative;
  padding: 8px 13px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-2);
  border-radius: var(--r-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}
.main-nav__link:hover {
  color: var(--text);
  background: var(--bg-soft);
}
.main-nav__link.is-active {
  color: var(--blue-text);
}
.main-nav__link.is-active::after {
  content: '';
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

/* ---------- Переключатель темы ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-2);
  background: var(--card);
  border-radius: var(--r-full);
  padding: 3px;
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.theme-toggle:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.theme-toggle__track {
  position: relative;
  display: block;
  width: 52px;
  height: 26px;
}

.theme-toggle__thumb {
  position: absolute;
  top: 1px;
  left: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), background-color var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle__icon {
  fill: none;
  stroke: var(--text-2);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.45s var(--ease), opacity 0.3s var(--ease), stroke var(--transition-fast);
}
.theme-toggle__icon--sun {
  opacity: 1;
}
.theme-toggle__icon--moon {
  position: absolute;
  inset: 0;
  margin: auto;
  opacity: 0;
}

[data-theme='dark'] .theme-toggle__thumb {
  transform: translateX(26px);
  background: var(--card-2);
}
[data-theme='dark'] .theme-toggle__icon--sun {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}
[data-theme='dark'] .theme-toggle__icon--moon {
  opacity: 1;
  transform: rotate(0deg);
}
[data-theme='light'] .theme-toggle__icon--moon {
  transform: rotate(90deg) scale(0.5);
}

/* ---------- Бургер ---------- */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  background: var(--card);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}
.menu-toggle:hover {
  border-color: var(--accent);
}
.menu-toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.menu-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Мобильное меню ---------- */
body.menu-open {
  overflow: hidden;
}

.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 99;
  padding: 12px clamp(16px, 4vw, 32px) 24px;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  transform-origin: top;
}
.mobile-menu[hidden] {
  display: none;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
}

.mobile-menu__link {
  padding: 13px 6px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.mobile-menu__link:active {
  color: var(--blue-text);
}

.mobile-menu__cta {
  width: 100%;
  margin-top: 16px;
}

/* ---------- Подвал ---------- */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding-block: clamp(48px, 6vw, 72px) 28px;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr 1.2fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.site-footer__about {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.site-footer__desc {
  color: var(--text-2);
  max-width: 34ch;
  font-size: 0.92rem;
}

.site-footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.92rem;
}

.site-footer__title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
}

.site-footer__col a,
.site-footer__col .link-button {
  color: var(--text-2);
  text-align: left;
  transition: color var(--transition-fast);
}
.site-footer__col a:hover,
.site-footer__col .link-button:hover {
  color: var(--blue-hover);
}

.site-footer__muted {
  color: var(--text-3);
  font-size: 0.88rem;
}

.site-footer__max {
  margin-top: 8px;
  align-self: flex-start;
}

/* Кнопка в подвале: белый текст на оранжевом в обеих темах
   (перебиваем общий серый цвет ссылок подвала) */
.site-footer__col .site-footer__max,
.site-footer__col .site-footer__max:hover,
.site-footer__col .site-footer__max:active {
  color: var(--accent-contrast);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-top: 24px;
  color: var(--text-2);
  font-size: 0.86rem;
}

/* Подпись автора сайта — в самом низу подвала */
.site-footer__credit {
  margin-top: 10px;
  color: var(--text-3);
  font-size: 0.78rem;
  text-align: center;
  letter-spacing: 0.01em;
}

/* ---------- Адаптив ---------- */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .site-header__actions {
    margin-left: auto;
  }
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .site-header__cta {
    display: none;
  }
  /* Слоган под логотипом скрываем на узких экранах, чтобы кнопки
     переключателя темы и меню не вылезали за правый край */
  .site-header .brand__tagline {
    display: none;
  }
  .site-header__inner {
    gap: 12px;
  }
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}