/* ==========================================================================
   SML - Header / Navigation
   Файл: /wp-content/themes/sml/src/css/layout/header.css
   Версия: 1.0.0
   Author: NUVREN (https://nuvren.com)

   Назначение:
   - Стили шапки и навигации (desktop/mobile);
   - Без topbar и без контактов в шапке;
   - Mobile drawer всегда скрыт и не показывается на desktop.
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-soft, var(--color-border));
}

/* SML signature: тонкая бренд-линия */
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, rgba(31, 122, 58, 0.0), rgba(31, 122, 58, 0.55), rgba(31, 122, 58, 0.0));
  pointer-events: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 74px;
  padding: 12px 0;
}

/* Brand */
.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  flex: 0 0 auto;
  text-decoration: none;
}

.site-brand:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

.site-brand__logo {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  height: 40px;
}

.site-brand__logo img {
  display: block;
  height: 40px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.site-brand__logo strong {
  display: inline-flex;
  align-items: center;
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1;
}

/* Desktop nav wrapper */
.site-nav {
  display: none;
  align-items: center;
  flex: 1 1 auto;
  justify-content: center;
}

.site-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-7);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__menu li {
  position: relative;
}

.site-nav__menu a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  opacity: 0.92;
  text-decoration: none;
  transition:
    opacity var(--dur-2) var(--ease),
    color var(--dur-2) var(--ease),
    background var(--dur-2) var(--ease),
    transform var(--dur-2) var(--ease);
  border-radius: 999px;
}

.site-nav__menu a:hover {
  opacity: 1;
  color: var(--color-primary);
  background: rgba(31, 122, 58, 0.08);
  transform: translateY(-1px);
}

.site-nav__menu a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* active state: премиум pill */
.site-nav__menu .is-current > a,
.site-nav__menu .current-menu-item > a,
.site-nav__menu .current-menu-ancestor > a {
  color: rgba(17, 74, 38, 1);
  opacity: 1;
  background: rgba(31, 122, 58, 0.12);
  border: 1px solid rgba(31, 122, 58, 0.22);
  transform: none;
}

/* Submenu (desktop) */
.site-nav__menu .sub-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 240px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 10px;
  list-style: none;
  margin: 0;
  display: none;
  z-index: calc(var(--z-header) + 1);
}

.site-nav__menu li:hover > .sub-menu,
.site-nav__menu li:focus-within > .sub-menu {
  display: block;
}

.site-nav__menu .sub-menu a {
  width: 100%;
  padding: 10px 10px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  background: transparent;
  border: 0;
  transform: none;
}

.site-nav__menu .sub-menu a:hover {
  background: rgba(11, 15, 20, 0.04);
}

/* Actions */
.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 0 0 auto;
}

.site-header__cta {
  display: none;
}

/* burger button */
.nav-toggle.btn--icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-toggle__icon {
  width: 18px;
  height: 12px;
  position: relative;
  display: inline-block;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.nav-toggle__icon::before { top: 0; }
.nav-toggle__icon::after { bottom: 0; }

/* ==========================================================================
   Mobile Nav
   ========================================================================== */

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
  visibility: hidden;
}

.mobile-nav__overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 20, 0.55);
  opacity: 0;
  transition: opacity var(--dur-3) var(--ease);
}

.mobile-nav__panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(92vw, 380px);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: var(--space-6);
  transform: translateX(16px);
  opacity: 0;
  transition: transform var(--dur-3) var(--ease), opacity var(--dur-3) var(--ease);
}

.mobile-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.mobile-nav__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.mobile-nav__close {
  flex: 0 0 auto;
}

.mobile-nav__meta {
  display: grid;
  gap: 10px;
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border-soft, var(--color-border));
}

.mobile-nav__phone,
.mobile-nav__address {
  display: grid;
  gap: 2px;
  color: var(--color-text);
  text-decoration: none;
}

.mobile-nav__phone strong,
.mobile-nav__address strong {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.mobile-nav__phone span,
.mobile-nav__address span {
  font-size: var(--font-size-xs);
  color: var(--color-muted);
}

.mobile-nav__list {
  display: grid;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav__list a {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border-soft, var(--color-border));
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  text-decoration: none;
}

.mobile-nav__list .is-current > a,
.mobile-nav__list .current-menu-item > a,
.mobile-nav__list .current-menu-ancestor > a {
  color: var(--color-primary);
}

.mobile-nav__list .sub-menu {
  position: static;
  display: grid;
  padding: 8px 0 12px 12px;
  gap: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
  list-style: none;
  margin: 0;
}

.mobile-nav__list .sub-menu a {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  padding: 10px 0;
  border-bottom: 0;
  color: var(--color-muted);
}

.mobile-nav__cta .btn--block,
.btn--block {
  width: 100%;
}

/* open state */
.mobile-nav.is-open {
  pointer-events: auto;
  visibility: visible;
}

.mobile-nav.is-open .mobile-nav__overlay {
  opacity: 1;
}

.mobile-nav.is-open .mobile-nav__panel {
  transform: translateX(0);
  opacity: 1;
}

/* Desktop */
@media (min-width: 1024px) {
  .site-nav { display: flex; }
  .site-header__cta { display: inline-flex; }
}

/* ------------------------------------------------------------
   Жесткая финальная защита: mobile drawer и бургер не видны на desktop
   Держим в конце файла, чтобы каскад не перебил
   ------------------------------------------------------------ */
@media (min-width: 1024px) {
  .site-header .nav-toggle,
  .site-header .nav-toggle.btn--icon {
    display: none !important;
  }

  #site-nav.mobile-nav {
    display: none !important;
  }
}