/* header.css */
/**
 * Site header — full-width bar (Figma)
 * Sizing uses px (not rem/em) for padding, margin, gap, width, height, font-size, radii.
 */
.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  width: 100%;
  max-width: 100vw;
  justify-items: center;
  z-index: var(--z-header);
  padding-block: 24px;
  background: transparent;
  transition: padding var(--duration-slow), background var(--duration-slow), box-shadow var(--duration-slow), transform var(--duration-fast) var(--ease-default);
}

.header--home {
  background: transparent;
  box-shadow: none;
}

.header.is-scrolled {
  padding-block: 24px;
  background: #ffffff4a;
  backdrop-filter: blur(20px);
}

.header.is-hidden {
  transform: translateY(-100%);
}

.header__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: none;
  margin: 0;
  padding-inline: clamp(24px, 4vw, 40px);
}

/* Match Bootstrap .container width on products / projects / blogs pages */
.header--container .header__in {
  width: 100%;
  max-width: var(--container-max, 1440px);
  margin-inline: auto;
  padding-inline: 16px;
}

@media (min-width: 992px) {
  .header__in {
    display: grid;
    /* Equal side columns so nav is perfectly centered */
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    column-gap: 40px;
  }

  .nav {
    justify-self: center;
  }

  .header__logo {
    justify-self: start;
  }

  .header__act {
    justify-self: end;
  }
}

.header__logo {
  display: flex;
  align-items: center;
  height: 54px;
  text-decoration: none;
}

.header__logo:hover,
.header__logo:focus {
  text-decoration: none;
}

.header__img {
  height: 50px;
  width: auto;
}

.nav {
  padding: 0;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Dropdowns — tgq pattern (.navbar .dropdown) */
.nav li {
  position: relative;
}

.nav .dropdown > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: var(--font-weight-regular);
  color: var(--color-mid);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--duration-fast), background var(--duration-fast);
}

.nav .dropdown > a i {
  font-size: 12px;
  line-height: 0;
  transition: transform 0.3s ease;
}

.nav .dropdown:hover > a i,
.nav .dropdown:focus-within > a i {
  transform: rotate(180deg);
}

.nav .dropdown > a:hover,
.nav .dropdown > a:focus,
.nav .dropdown > a.active {
  color: var(--color-ink);
}

.nav .dropdown > a.active {
  font-weight: var(--font-weight-medium);
}

.nav .dropdown ul {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: calc(100% + 32px);
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 8px;
  z-index: calc(var(--z-header) + 1);
  opacity: 0;
  visibility: hidden;
  list-style: none;
  background: var(--color-bg);
  box-shadow: 0 0 30px rgba(127, 137, 161, 0.25);
  transition: 0.3s;
  border-radius: 8px;
}

.nav .dropdown ul li {
  min-width: 160px;
}

.nav .dropdown ul a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  height: 100%;
  font-size: 14px;
  font-weight: var(--font-weight-regular);
  color: var(--color-mid);
  text-decoration: none;
  text-transform: none;
  white-space: normal;
  transition: color var(--duration-fast);
}

.nav .dropdown ul a i {
  flex-shrink: 0;
  font-size: 16px;
  line-height: 1;
  color: var(--color-main);
}

.nav .dropdown ul a:hover,
.nav .dropdown ul li:hover > a {
  color: var(--color-navy);
  background: var(--color-soft-2);
  border-radius: 5px;
}

.nav .dropdown:hover > ul {
  opacity: 1;
  inset-block-start: 100%;
  visibility: visible;
}

@media (min-width: 992px) {
  .nav .dropdown--wide > ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-width: 416px;
    padding-inline: 8px;
    gap: 4px;
  }

  .nav .dropdown--wide ul li {
    min-width: 0;
  }
}

.nav__link {
  display: flex;
  align-items: center;
  padding: 4px 16px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: var(--font-weight-regular);
  color: var(--color-mid);
  text-decoration: none;
  transition: color var(--duration-fast), background var(--duration-fast);
}

.nav__link:hover,
.nav__link:focus,
.nav__link:active {
  color: var(--color-ink);
  text-decoration: none;
}

.nav__link.is-active {
  color: var(--color-ink);
  font-weight: var(--font-weight-medium);
}

.header__act {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header__phone {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ink);
  color: var(--color-white);
  transition: background var(--duration-fast), transform var(--duration-fast);
}

.header__phone:hover,
.header__phone:focus {
  background: var(--color-black);
  color: var(--color-white);
  text-decoration: none;
}

.header__phone i {
  font-size: 20px;
}

.nav__tog {
  display: none;
  padding: 8px;
  font-size: 28px;
  line-height: 0;
  color: var(--color-ink);
}

/* Mobile nav — tgq .navbar-mobile pattern */
.nav.navbar-mobile {
  position: fixed;
  overflow: hidden;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(10, 38, 58, 0.9);
  transition: 0.3s;
}

.nav.navbar-mobile .nav__tog {
  position: absolute;
  inset-block-start: 32px;
  inset-inline-end: 16px;
  z-index: 1;
  display: block;
  color: var(--color-white);
}

.nav.navbar-mobile ul {
  display: block;
  position: absolute;
  inset-block-start: 88px;
  inset-inline: 16px;
  inset-block-end: 16px;
  height: fit-content;
  max-height: calc(100vh - 112px);
  margin: 0;
  padding: 8px 0;
  overflow-y: auto;
  border-radius: 8px;
  background: var(--color-bg);
}

.nav.navbar-mobile .nav__link,
.nav.navbar-mobile .dropdown > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 24px;
  font-size: 15px;
  color: var(--color-text) !important;
  text-decoration: none;
}

.nav.navbar-mobile .nav__link:hover,
.nav.navbar-mobile .dropdown > a:hover,
.nav.navbar-mobile li:hover > .nav__link,
.nav.navbar-mobile li:hover > .dropdown > a {
  color: var(--color-white) !important;
  background: var(--color-navy);
}

.nav.navbar-mobile .nav__link.is-active,
.nav.navbar-mobile .dropdown > a.active {
  color: var(--color-white) !important;
  background: var(--color-blue);
}

.nav.navbar-mobile .dropdown ul {
  position: static;
  display: none;
  margin: 8px 24px;
  padding: 8px 0;
  opacity: 1;
  visibility: visible;
  box-shadow: 0 0 30px rgba(127, 137, 161, 0.25);
}

.nav.navbar-mobile .dropdown > .dropdown-active {
  display: block;
}

.nav.navbar-mobile .dropdown ul a {
  padding: 8px 24px;
}

.nav.navbar-mobile .dropdown ul a:hover,
.nav.navbar-mobile .dropdown ul li:hover > a {
  color: var(--color-blue);
  background: transparent;
}

@media (max-width: 991px) {
  .nav__tog {
    display: block;
  }

  .nav ul {
    display: none;
  }

  .nav.navbar-mobile ul {
    display: block;
  }
}

@media (max-width: 768px) {
  .header__img {
    height: 48px;
  }
}