.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--s-10);
}

.section--tight {
  padding-block: var(--s-8);
}

.section--surface {
  background: var(--c-surface);
}

.section--inverse {
  background: var(--c-inverse);
  color: var(--c-on-inverse);
}

.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}

.section__head p {
  color: var(--c-muted);
  max-width: 60ch;
  margin-top: var(--s-1);
}

.section--inverse .section__head p {
  color: var(--c-on-inverse-muted);
}

.grid {
  display: grid;
  gap: var(--s-3);
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--6 {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--s-2);
}

.stack > * + * {
  margin-top: var(--s-2);
}

.stack--lg > * + * {
  margin-top: var(--s-4);
}

.row {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  flex-wrap: wrap;
}

.row--between {
  justify-content: space-between;
}

/* Header */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  min-height: var(--header-h);
}

.header__logo {
  font-size: var(--fs-l);
  font-weight: 800;
  letter-spacing: -0.04em;
  white-space: nowrap;
  flex: none;
}

.header__logo span {
  background: var(--c-inverse);
  color: var(--c-on-inverse);
  padding: 0 var(--s-half);
  margin-left: 2px;
  border-radius: var(--s-half);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--s-half);
  font-size: var(--fs-s);
  font-weight: 500;
}

.header__link {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  min-height: var(--h-control-s);
  padding-inline: var(--s-2);
  border-radius: var(--r);
}

.header__link:hover {
  background: var(--c-surface-2);
}

.header__link[aria-current="page"] {
  background: var(--c-surface);
  font-weight: 700;
}

.header__tools {
  display: flex;
  align-items: center;
  gap: var(--s-1);
  margin-left: auto;
  font-size: var(--fs-s);
  font-weight: 500;
}

.header__tools .header__burger {
  display: none;
}

.footer .header__logo span {
  background: var(--c-on-inverse);
  color: var(--c-text);
}

.header__drawer {
  display: none;
}

[data-auth="user"] .header__guest,
[data-auth="guest"] .header__user,
body:not([data-auth]) .header__user {
  display: none;
}

.drawer__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  font-size: var(--fs-l);
  font-weight: 600;
  border-bottom: 1px solid var(--c-line);
}

.drawer__link[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 6px;
}

.drawer__actions {
  display: grid;
  gap: var(--s-1);
  margin-top: var(--s-3);
}

.admin__logo {
  font-size: var(--fs-l);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.admin__role {
  display: block;
  margin-top: var(--s-half);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-on-inverse-muted);
}

.admin__nav {
  display: grid;
  gap: var(--s-half);
}

.admin__link {
  display: flex;
  align-items: center;
  gap: var(--s-1);
  min-height: 44px;
  padding-inline: var(--s-2);
  border-radius: var(--r);
  font-size: var(--fs-s);
  font-weight: 500;
}

.admin__link:hover {
  background: var(--c-inverse-2);
}

.admin__link[aria-current="page"] {
  background: var(--c-on-inverse);
  color: var(--c-text);
  font-weight: 700;
}

.admin__exit {
  margin-top: auto;
}

/* Footer */

.footer {
  background: var(--c-inverse);
  color: var(--c-on-inverse);
  padding-top: var(--s-10);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: var(--s-6);
  padding-bottom: var(--s-8);
}

.footer__brand p {
  color: var(--c-on-inverse-muted);
  margin-top: var(--s-2);
  max-width: 36ch;
  font-size: var(--fs-s);
}

.footer__title {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-on-inverse-muted);
  margin-bottom: var(--s-2);
}

.footer__list {
  display: grid;
  gap: var(--s-1);
  font-size: var(--fs-s);
}

.footer__list a {
  display: inline-block;
  padding-block: var(--s-half);
}

.footer__list a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--s-2);
  flex-wrap: wrap;
  padding-block: var(--s-3);
  border-top: 1px solid var(--c-inverse-2);
  font-size: var(--fs-xs);
  color: var(--c-on-inverse-muted);
}

/* Page head and breadcrumbs */

.page-head {
  padding-block: var(--s-6) var(--s-4);
}

.page-head__row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-3);
  flex-wrap: wrap;
}

.page-head p {
  color: var(--c-muted);
  margin-top: var(--s-1);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-1);
  padding-top: var(--s-3);
  font-size: var(--fs-xs);
  color: var(--c-muted);
}

.breadcrumbs a:hover {
  color: var(--c-text);
  text-decoration: underline;
}

.breadcrumbs [aria-current] {
  color: var(--c-text);
}

.breadcrumbs .icon {
  width: 16px;
  height: 16px;
}

/* Hero */

.hero {
  padding-block: var(--s-10) var(--s-8);
}

.hero__title {
  max-width: 18ch;
  font-size: var(--fs-4xl);
}

.hero__lead {
  max-width: 56ch;
  margin-top: var(--s-3);
  font-size: var(--fs-l);
  color: var(--c-muted);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--s-8);
  align-items: end;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-4);
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--s-10);
  align-items: start;
}

.about__lead {
  margin-top: var(--s-3);
  color: var(--c-muted);
  max-width: 44ch;
}

.about__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-top: var(--s-4);
}

.about__list {
  counter-reset: about;
  border-top: 1px solid var(--c-line-strong);
}

.about__item {
  counter-increment: about;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--s-3);
  padding-block: var(--s-4);
  border-bottom: 1px solid var(--c-line);
}

.about__item::before {
  content: counter(about, decimal-leading-zero);
  font-size: var(--fs-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.about__item h3 {
  font-size: var(--fs-l);
}

.about__item p {
  margin-top: var(--s-1);
  color: var(--c-muted);
  max-width: 52ch;
}

.cities {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--s-8);
  align-items: start;
}

.city-list {
  border-top: 1px solid var(--c-line-strong);
}

.city-row {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: var(--s-3);
  align-items: center;
  padding-block: var(--s-3);
  border-bottom: 1px solid var(--c-line);
}

.city-row__name {
  display: inline-flex;
  align-items: center;
  gap: var(--s-1);
  font-size: var(--fs-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.city-row__name:hover {
  text-decoration: underline;
  text-underline-offset: 6px;
}

.perk {
  display: grid;
  gap: var(--s-1);
  align-content: start;
  padding-top: var(--s-3);
  border-top: 1px solid var(--c-line-strong);
}

.perk h3 {
  font-size: var(--fs-l);
  margin-top: var(--s-1);
}

.perk p {
  color: var(--c-muted);
  font-size: var(--fs-s);
}

.faq {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--s-10);
  align-items: start;
}

/* Two-column page layouts */

.split {
  display: grid;
  grid-template-columns: 296px minmax(0, 1fr);
  gap: var(--s-4);
  align-items: start;
}

.split > * {
  min-width: 0;
}

.split--listing {
  grid-template-columns: minmax(0, 1fr) 360px;
}

.split--cabinet {
  grid-template-columns: 240px minmax(0, 1fr);
}

.split--submit {
  grid-template-columns: minmax(0, 1fr) 320px;
}

.sticky {
  position: sticky;
  top: calc(var(--header-h) + var(--s-3));
}

/* Auth */

.auth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--header-h));
}

.auth__side {
  background: var(--c-inverse);
  color: var(--c-on-inverse);
  padding: var(--s-10) var(--s-8);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--s-6);
}

.auth__main {
  padding: var(--s-10) var(--s-8);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth__box {
  width: 100%;
  max-width: 440px;
}

/* Admin */

.admin {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.admin__side {
  background: var(--c-inverse);
  color: var(--c-on-inverse);
  padding: var(--s-3);
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  position: sticky;
  top: 0;
  height: 100vh;
}

.admin__main {
  padding: var(--s-4);
  min-width: 0;
  background: var(--c-surface);
}

@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--6 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .split,
  .split--cabinet {
    grid-template-columns: 1fr;
  }

  .split--listing,
  .split--submit {
    grid-template-columns: 1fr;
  }

  .split--listing .sticky,
  .split--submit .sticky {
    position: static;
  }

  .header__nav {
    display: none;
  }

  .header__tools .header__guest-text {
    display: none;
  }

  .header__tools .header__burger {
    display: inline-flex;
  }

  .header__drawer.is-open {
    display: block;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--c-bg);
    overflow-y: auto;
    padding: var(--s-3);
    z-index: var(--z-drawer);
  }

  .hero__grid,
  .about,
  .cities,
  .faq {
    grid-template-columns: 1fr;
    gap: var(--s-5);
  }

  .city-row {
    grid-template-columns: 1fr;
    gap: var(--s-1);
  }

  .auth {
    grid-template-columns: 1fr;
  }

  .auth__side {
    padding: var(--s-6) var(--gutter);
  }

  .auth__main {
    padding: var(--s-6) var(--gutter);
  }

  .admin {
    grid-template-columns: 1fr;
  }

  .admin__side {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }
}

@media (max-width: 540px) {
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
    --gutter: 16px;
  }

  .section {
    padding-block: var(--s-8);
  }

  .section--tight {
    padding-block: var(--s-6);
  }

  .section__head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-block: var(--s-6) var(--s-5);
  }

  .hero__title {
    font-size: var(--fs-2xl);
  }

  .hero__lead {
    font-size: var(--fs-m);
  }

  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .grid--6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--s-4);
  }

  .admin__main {
    padding: var(--s-2);
  }

  .header__inner {
    gap: var(--s-1);
  }

  .header__tools {
    gap: var(--s-half);
  }

  .header__tools .dropdown__btn {
    padding-inline: var(--s-1);
  }

  .header__logo {
    font-size: var(--fs-m);
  }

  .header__submit-text {
    display: none;
  }
}