/* Header and navigation */

.header {
  position: fixed;
  z-index: 60;
  inset: 0 0 auto;
  color: var(--color-ink);
  background: rgb(245 247 250 / 92%);
  border-bottom: 1px solid var(--color-transparent);
  backdrop-filter: blur(18px) saturate(140%);
  transition:
    background-color var(--duration-slow) var(--ease-standard),
    border-color var(--duration-slow) var(--ease-standard),
    backdrop-filter var(--duration-slow) var(--ease-standard);
}

.header.is-scrolled {
  background: rgb(255 255 255 / 88%);
  border-bottom-color: rgb(11 11 13 / 8%);
  backdrop-filter: blur(22px) saturate(180%);
}

.header__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  min-height: 80px;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  gap: 10px;
  font-size: 24px;
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-normal);
}

.brand__mark {
  display: block;
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.brand__wordmark {
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
  line-height: 1;
}

.brand__word {
  color: var(--color-ink);
  background: linear-gradient(90deg, #02040a 0%, #f8fafd 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer .brand__mark {
  filter: invert(1);
}

.footer .brand__word {
  background: linear-gradient(90deg, #f8fafd 0%, #02040a 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.header__nav {
  display: flex;
  align-items: center;
  justify-self: center;
  gap: var(--space-6);
}

.header__nav > a,
.header__login,
.nav-dropdown__button {
  color: rgb(11 11 13 / 62%);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-normal);
}

.header__nav > a:hover,
.header__login:hover,
.nav-dropdown__button:hover,
.nav-dropdown.is-open .nav-dropdown__button {
  color: var(--color-ink);
}

.nav-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-dropdown__button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-control);
  cursor: pointer;
  transition: color var(--duration-standard) var(--ease-standard);
}

.nav-dropdown__button:focus-visible {
  border-radius: var(--radius-sm);
  outline: none;
  box-shadow: var(--focus-ring-dark);
}

.nav-dropdown__chevron {
  display: inline-block;
  width: 18px;
  height: 18px;
  background: currentColor;
  transform: rotate(0deg);
  transition: transform var(--duration-standard) var(--ease-standard);
  -webkit-mask: url("../brand/icons/dropdown.svg") center / contain no-repeat;
  mask: url("../brand/icons/dropdown.svg") center / contain no-repeat;
}

.nav-dropdown.is-open .nav-dropdown__chevron {
  transform: rotate(180deg);
}

.nav-dropdown__menu {
  position: absolute;
  z-index: 80;
  top: calc(100% + 16px);
  left: 50%;
  width: min(460px, calc(100vw - 32px));
  padding: 14px;
  border: 1px solid rgb(11 11 13 / 10%);
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow:
    0 22px 52px rgb(11 11 13 / 18%),
    0 2px 8px rgb(11 11 13 / 8%);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -8px) scale(0.98);
  transform-origin: top center;
  visibility: hidden;
  transition:
    opacity 180ms var(--ease-standard),
    transform var(--duration-standard) var(--ease-standard),
    visibility 0s linear var(--duration-standard);
}

.nav-dropdown__menu::before {
  position: absolute;
  inset: -24px 0 auto;
  height: 24px;
  content: "";
}

.nav-dropdown__menu::after {
  display: none;
}

.nav-dropdown.is-open .nav-dropdown__menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0) scale(1);
  visibility: visible;
  transition-delay: 0s;
}

.nav-dropdown__item {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 18px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
}

.nav-dropdown__item:hover,
.nav-dropdown__item:focus-visible {
  color: var(--color-ink);
  background: #f5f7fa;
  outline: none;
}

.nav-dropdown__item strong,
.nav-dropdown__item small {
  display: block;
}

.nav-dropdown__item strong {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-control);
  letter-spacing: var(--letter-spacing-normal);
}

.nav-dropdown__item small {
  margin-top: 6px;
  color: rgb(11 11 13 / 58%);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.55;
}

.nav-dropdown__icon {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: rgb(11 11 13 / 72%);
  transition:
    color var(--duration-standard) var(--ease-standard),
    transform var(--duration-standard) var(--ease-standard);
}

.nav-dropdown__item:hover .nav-dropdown__icon,
.nav-dropdown__item:focus-visible .nav-dropdown__icon {
  color: var(--color-ink);
  transform: translateY(-1px);
}

.nav-dropdown__icon::before {
  width: 30px;
  height: 30px;
  background: currentColor;
  content: "";
  -webkit-mask: var(--nav-dropdown-icon) center / contain no-repeat;
  mask: var(--nav-dropdown-icon) center / contain no-repeat;
}

.nav-dropdown__icon--market {
  --nav-dropdown-icon: url("../brand/icons/market.svg");
}

.nav-dropdown__icon--keywords {
  --nav-dropdown-icon: url("../brand/icons/keywords.svg");
}

.nav-dropdown__icon--competitors {
  --nav-dropdown-icon: url("../brand/icons/competitors.svg");
}

.nav-dropdown__icon--content {
  --nav-dropdown-icon: url("../brand/icons/content.svg");
}

.header__actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: var(--space-3);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 12px;
  border: 1px solid rgb(11 11 13 / 12%);
  border-radius: var(--radius-sm);
}

.menu-button span {
  display: block;
  height: 1px;
  margin: 4px 0;
  background: var(--color-ink);
  transform-origin: center;
  transition:
    opacity var(--duration-fast) var(--ease-standard),
    transform var(--duration-standard) var(--ease-standard);
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: translateY(2.5px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:last-child {
  transform: translateY(-2.5px) rotate(-45deg);
}

.mobile-nav {
  display: none;
}

html:has(body.menu-open),
body.menu-open {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

@media (hover: hover) and (pointer: fine) and (min-width: 821px) {
  .nav-dropdown:hover .nav-dropdown__button,
  .nav-dropdown:focus-within .nav-dropdown__button {
    color: var(--color-ink);
  }

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

  .nav-dropdown:hover .nav-dropdown__menu,
  .nav-dropdown:focus-within .nav-dropdown__menu {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0) scale(1);
    visibility: visible;
    transition-delay: 0s;
  }
}

@media (max-width: 820px) {
  .header__inner {
    grid-template-columns: 1fr auto;
  }

  .header__nav,
  .header__login {
    display: none;
  }

  .menu-button {
    position: relative;
    z-index: 90;
    display: block;
  }

  .header .brand {
    position: relative;
    z-index: 90;
  }

  .mobile-nav {
    --mobile-nav-top-bar-height: 80px;
    --mobile-nav-bottom-bar-height: calc(env(safe-area-inset-bottom) + 96px);

    position: fixed;
    z-index: 55;
    inset: 0;
    display: block;
    width: 100%;
    min-height: 100dvh;
    max-height: 100dvh;
    overflow: hidden;
    padding: 0;
    color: var(--color-ink);
    background: var(--color-white);
    opacity: 0;
    transform: translateX(100%);
    visibility: hidden;
    transition:
      opacity var(--duration-standard) var(--ease-standard),
      transform 320ms var(--ease-standard),
      visibility 0s linear 320ms;
  }

  .mobile-nav::before,
  .mobile-nav::after {
    position: fixed;
    right: 0;
    left: 0;
    z-index: 65;
    background: var(--color-white);
    content: "";
    pointer-events: none;
  }

  .mobile-nav::before {
    top: 0;
    height: var(--mobile-nav-top-bar-height);
  }

  .mobile-nav::after {
    bottom: 0;
    height: var(--mobile-nav-bottom-bar-height);
  }

  body.menu-open .header {
    z-index: 80;
    background: var(--color-white);
    border-bottom-color: var(--color-transparent);
    backdrop-filter: none;
  }

  .mobile-nav[hidden] {
    display: none;
  }

  .mobile-nav.is-open {
    opacity: 1;
    transform: translateX(0);
    visibility: visible;
    transition-delay: 0s;
  }

  .mobile-nav.is-closing {
    transition:
      opacity 160ms cubic-bezier(0.64, 0, 0.78, 0),
      transform 280ms cubic-bezier(0.64, 0, 0.78, 0),
      visibility 0s linear 280ms;
  }

  .mobile-nav__scroll {
    position: absolute;
    z-index: 1;
    top: var(--mobile-nav-top-bar-height);
    right: 0;
    bottom: var(--mobile-nav-bottom-bar-height);
    left: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: var(--space-6) var(--space-5) var(--space-5);
    background: var(--color-white);
  }

  .mobile-nav__scroll > a,
  .mobile-nav__scroll > .nav-dropdown > .nav-dropdown__button {
    display: flex;
    width: 100%;
    min-height: 68px;
    align-items: center;
    padding: 0;
    border-bottom: 1px solid rgb(11 11 13 / 8%);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-control);
  }

  .mobile-nav > a[data-auth-action="login"] {
    position: fixed;
    z-index: 70;
    right: var(--space-5);
    bottom: calc(env(safe-area-inset-bottom) + var(--space-5));
    left: var(--space-5);
    display: inline-flex;
    min-height: var(--button-height-sm);
    align-items: center;
    justify-content: center;
    padding: 0 var(--button-padding-x-sm) 0 calc((var(--button-height-sm) - 20px) / 2);
    gap: var(--space-2);
    border: var(--border-width) solid var(--color-ink);
    border-radius: var(--radius-pill);
    background: var(--color-ink);
    color: var(--color-white);
    box-shadow: 0 18px 48px rgb(11 11 13 / 20%);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-control);
  }

  .mobile-nav > a[data-auth-action="login"]::before {
    display: block;
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
    background: url("../brand/icons/google.svg") center / contain no-repeat;
    content: "";
  }

  .mobile-nav .nav-dropdown {
    display: block;
    width: 100%;
  }

  .mobile-nav .nav-dropdown__button {
    justify-content: space-between;
    width: 100%;
    color: var(--color-ink);
  }

  .mobile-nav .nav-dropdown__menu {
    position: static;
    width: 100%;
    max-height: 0;
    padding: 0;
    border: 0;
    background: var(--color-white);
    box-shadow: none;
    opacity: 0;
    overflow: hidden;
    transform: none;
    visibility: hidden;
    transition:
      max-height var(--duration-standard) var(--ease-standard),
      opacity var(--duration-standard) var(--ease-standard),
      padding var(--duration-standard) var(--ease-standard),
      visibility 0s linear var(--duration-standard);
  }

  .mobile-nav .nav-dropdown__menu::before,
  .mobile-nav .nav-dropdown__menu::after {
    display: none;
  }

  .mobile-nav .nav-dropdown.is-open .nav-dropdown__menu {
    max-height: 620px;
    padding: var(--space-4) 0 var(--space-3);
    opacity: 1;
    transform: none;
    visibility: visible;
    transition-delay: 0s;
  }

  .mobile-nav .nav-dropdown__item {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 18px;
    padding: 15px 0;
  }

  .mobile-nav .nav-dropdown__item:hover,
  .mobile-nav .nav-dropdown__item:focus-visible {
    background: transparent;
    transform: none;
  }

  .mobile-nav .nav-dropdown__icon {
    width: 38px;
    height: 38px;
  }
}

@media (max-width: 560px) {
  .header__inner {
    min-height: 72px;
  }

  .header__actions .button {
    display: none;
  }

  .mobile-nav {
    --mobile-nav-top-bar-height: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-dropdown__button,
  .nav-dropdown__chevron,
  .nav-dropdown__menu,
  .menu-button span {
    transition: none;
  }

  .mobile-nav {
    transition: none;
  }
}