@charset 'utf-8';

/* 1. Header`s vars */
body > header {
  z-index: 10;
  position: sticky;
  top: 0;

  /* 1.1. Sizes & gaps*/
  /* Mobile */
  --header-mob-min-height: 4rem;
  --header-mob-logo-size: 3rem;
  --header-mob-burger-size: 2rem;
  --header-mob-msgs-size: 1.5rem;
  --header-mob-nav-row-gap: 1rem;

  /* Desktop */
  --header-desk-min-height: 7rem;
  --header-desk-logo-size: clamp(4rem, 0.1136rem + 8.1818vw, 6.25rem);
  --header-desk-contact-icon-size: clamp(0.9rem, 0.6808rem + 0.4615vw, 1.05rem);
  --header-desk-contact-fs: clamp(0.9rem, 0.6808rem + 0.4615vw, 1.05rem);
  --header-desk-msgs-size: clamp(1rem, -0.4615rem + 3.0769vw, 2rem);
  --header-desk-msgs-column-gap: clamp(0.5rem, -0.9615rem + 3.0769vw, 1.5rem);
  --header-desk-nav-fs: clamp(1rem, 0.2692rem + 1.5385vw, 1.5rem);

  /* 1.2. Initial colors */
  --clr: var(--clr-blue-10, var(--clr-err));
  --clr-accent-1: var(--clr-blue-6, var(--clr-err));
  --bg-clr: var(--clr-light-gray, var(--clr-err));
  --header-br-clr: var(--clr-blue-1, var(--clr-err));

  /* 1.3. Dependent colors */
  --h4-clr: var(--clr, var(--clr-err));
  --a-clr: var(--clr, var(--clr-err));
  --a-clr-hover: var(--clr-accent-1, var(--clr-err));
  --svg-clr: var(--clr, var(--clr-err));
  --svg-clr-hover: var(--clr-accent-1, var(--clr-err));
  --btn-clr: var(--clr, var(--clr-err));
  --btn-clr-hover: var(--clr-accent-1, var(--clr-err));
}

#header {
  background-color: var(--bg-clr, var(--clr-err));

  &:has(.mob-nav-toggle[data-state='opened']) {
    border-bottom: 1px solid var(--header-br-clr, var(--clr-err));
  }

  @media screen and (width >= 760px) {
    --bg-clr: var(--clr-white, var(--clr-err));
  }
}

/* Mob Header (for mobiles) */
.header-mob {
  --fs: 1.5rem;

  min-height: var(--header-mob-min-height);
  display: flex;
  align-items: center;
  justify-content: space-between;

  @media screen and (width >= 760px) {
    display: none;
  }
}

/* Logo for mobile */
.mob-logo-container {
  max-width: var(--header-mob-logo-size);
  overflow: hidden;
}

.mob-logo-image {
  aspect-ratio: 1;
  object-fit: cover;
}

/* Hamburger (mobile navigation toggle) */
.mob-nav-toggle {
  width: var(--header-mob-burger-size);
  aspect-ratio: 1;
  transform-origin: center;
}

.mob-nav-toggle[data-state='closed'] .line {
  transition:
    y 200ms ease-in 200ms,
    rotate 200ms ease-in,
    opacity 0ms 200ms;
  transform-origin: center;
}

.mob-nav-toggle[data-state='opened'] .line {
  transition:
    y 200ms ease-in,
    rotate 200ms ease-in 200ms,
    opacity 0ms 200ms;
  transform-origin: center;
}

.mob-nav-toggle[data-state='opened'] :is(.line-top, .line-bottom) {
  y: 45%;
}

.mob-nav-toggle[data-state='opened'] .line-top {
  rotate: 45deg;
}

.mob-nav-toggle[data-state='opened'] .line-middle {
  opacity: 0;
}

.mob-nav-toggle[data-state='opened'] .line-bottom {
  rotate: -45deg;
}

/* Primary navigation menu (mobile) */
.mob-primary-nav {
  --hidden-offsetX: 4rem;
  z-index: 15;
  min-height: 100vh;
  width: calc(280px + var(--hidden-offsetX, 64px));
  padding-inline: 2rem calc(2rem + var(--hidden-offsetX, 64px));
  padding-block: 2rem;
  position: absolute;
  top: var(--header-mob-min-height);
  right: calc(var(--hidden-offsetX, 64px) * (-1));
  touch-action: none;

  background-color: var(--bg-clr, var(--clr-err));
  border-top: 1px solid var(--header-br-clr, var(--clr-err));
  border-left: 4px solid var(--header-br-clr, var(--clr-err));

  &[data-visible='false'] {
    transform: translateX(105%);
    transition: transform 300ms ease-in;
  }

  &[data-visible='true'] {
    transform: translateX(0);
    transition: transform 300ms ease-in;
    overscroll-behavior: contain;
  }
}

/* Messengers into mobile navigation */
.mob-nav-msgs-list {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mob-nav-msgs-item {
  width: var(--header-mob-msgs-size);
  aspect-ratio: 1;
}

/* Menu into mobile navigation */
.mob-nav-menu-list {
  margin-block-start: 1.5rem;
  padding-block-start: 1rem;
  border-top: 1px solid var(--clr-blue-6);
  display: grid;
  row-gap: var(--header-mob-nav-row-gap);
}

/* Desk Header (for tablets and desktops) */
.header-desk {
  --clr-accent-1: var(--clr-magenta);
  --svg-clr-hover: var(--clr-accent-1);

  display: none;

  @media screen and (width >= 760px) {
    --fs: var(--header-desk-fs);

    min-height: var(--header-desk-min-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}

.desk-logo-container {
  max-width: var(--header-desk-logo-size);
  overflow: hidden;
}

.desk-logo {
  aspect-ratio: 1;
  object-fit: cover;
}

/* Contacts for desk header  */
.desk-contacts-list {
  --fs: var(--header-desk-contact-fs, 1.05rem);
  --svg-width: var(--header-desk-contact-icon-size);
  --column-gap: 0.5rem;
}

.desk-contacts-item {
  line-height: 1.5;

  & a {
    min-width: 24ch;

    display: grid;
    grid-template-columns: var(--svg-width) 1fr;
    column-gap: var(--column-gap);
    -moz-column-gap: var(---column-gap);
    -webkit-column-gap: var(--column-gap);
    align-items: center;
    justify-content: center;
  }

  & svg {
    aspect-ratio: 1;
    max-height: 100%;
  }
}

/* Messengers for desk header */
.desk-msgs-list {
  display: flex;
  column-gap: var(--header-desk-msgs-column-gap);
}

.desk-msgs-item {
  width: var(--header-desk-msgs-size);
  aspect-ratio: 1;
  align-self: center;

  transform: scale(1);
  transition: transform 75ms ease-in;

  &:hover {
    transform: scale(1.25);
    transition: transform 125ms ease-in;
  }
}

.desk-telegram-item {
  --svg-clr: var(--clr-telegram, var(--clr-err));
  --svg-clr-hover: var(--svg-clr);
}

.desk-max-item {
  --svg-clr: var(--clr-max, var(--clr-err));
  --svg-clr-hover: var(--svg-clr);
}

.desk-whatsapp-item {
  --svg-clr: var(--clr-whatsapp, var(--clr-err));
  --svg-clr-hover: var(--svg-clr);
}

/* Navigation for desk header */
.desk-nav-menu-list {
  --a-clr-hover: var(--clr-white, var(--clr-err));
  --fs: var(--header-desk-nav-fs, 1rem);

  display: grid;
  grid-template-columns: repeat(5, auto);
}

.desk-nav-menu-item {
  --pd-in: clamp(0.5rem, -0.2308rem + 1.5385vw, 1rem);
  --pd-bk-st: clamp(0.3rem, 0.0077rem + 0.6154vw, 0.5rem);
  --pd-bk-end: clamp(0.5rem, 0.2077rem + 0.6154vw, 0.7rem);

  padding-inline: var(--pd-in, 0.6rem);
  padding-block: var(--pd-bk-st, 0.3rem) var(--pd-bk-end, 0.5rem);
  display: block;
  font-weight: 600;
}

.desk-nav-menu-item:hover,
.desk-nav-menu-item:focus {
  background-color: var(--clr-blue-6, var(--clr-err));

  & a {
    color: var(--a-clr-hover, var(--clr-err));
  }
}

/* Останавливаем прокрутку при открытом меню */
/* Стили при открытом мобильном меню         */

:root:has(.mob-nav-toggle[data-state='opened']) {
  position: sticky;
  margin: 0 auto;
  overflow-y: hidden;
  width: 100%;
  top: 0;

  & body:after {
    content: '';
    position: fixed;
    inset: 0 0 0 0;
    background-color: var(--clr-body-overlay);
    z-index: 2;
  }

  /* Стили при изменении разрешения > 760px */
  /* при открытом мобильном меню            */
  @media screen and (width >= 760px) {
    position: static;
    height: auto;
    overflow-x: clip;
    overflow-y: visible;

    & body:after {
      display: none;
    }

    & #header {
      border: 0;
    }
  }
}

body:has(.mob-nav-toggle[data-state='opened']) {
  @media screen and (width >= 760px) {
    position: static;
    height: auto;
    overflow-x: clip;
    overflow-y: visible;

    &::after {
      display: none;
    }
    & .header {
      border: 0;
    }
  }
}

/* Стили при закрытом мобильном меню */
body:has(.mob-nav-toggle[data-state='closed']) {
  position: static;
  height: auto;
  overflow-x: clip;
  overflow-y: visible;

  &::after {
    display: none;
  }
}