:root {
  --header-text: #f4f6f4;
  --header-bg-solid: rgba(11, 15, 17, 0.92);
  --header-border: rgba(255, 255, 255, 0.08);
  --header-shadow: 0 18px 42px rgba(0, 0, 0, 0.24);
  --header-radius: 22px;
  --header-max-width: 1240px;
  --header-height: 96px;
  --header-link-gap: 24px;
  --header-accent: var(--accent, #20c26b);
  --header-accent-soft: rgba(32, 194, 107, 0.10);
  --header-cta-text: #0e1110;
  --header-mobile-bg: rgba(11, 15, 17, 0.98);
  --header-toggle-bg: rgba(11, 15, 17, 0.90);
  --header-transition: 0.28s ease;
}

html {
  scroll-behavior: smooth;
}

body.menu-open {
  overflow: hidden;
}

body:not(.home-page) {
  padding-top: var(--header-height);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  color: var(--header-text);
  transition:
    background var(--header-transition),
    box-shadow var(--header-transition),
    border-color var(--header-transition),
    backdrop-filter var(--header-transition),
    -webkit-backdrop-filter var(--header-transition);
}

.site-header__inner {
  max-width: var(--header-max-width);
  margin: 0 auto;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  transition: padding var(--header-transition);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
  z-index: 1002;
}

.site-logo img {
  display: block;
  width: auto;
  height: 34px;
  transition: height var(--header-transition), opacity var(--header-transition);
}

.home-page .site-header {
  background: transparent;
  border-bottom: 1px solid transparent;
  box-shadow: none;
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
}

.home-page .site-header.is-scrolled,
body:not(.home-page) .site-header {
  background: var(--header-bg-solid);
  border-bottom: 1px solid var(--header-border);
  box-shadow: var(--header-shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.home-page .site-header.is-scrolled .site-header__inner,
body:not(.home-page) .site-header__inner {
  padding-top: 14px;
  padding-bottom: 14px;
}

.home-page .site-header.is-scrolled .site-logo img,
body:not(.home-page) .site-logo img {
  height: 30px;
}

.site-nav {
  display: flex;
  justify-content: center;
}

.site-nav__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--header-link-gap);
  margin: 0;
  padding: 0;
}

.site-nav__link,
.header-mobile__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 0;
  color: var(--header-text);
  font-family: "Bebas Neue", sans-serif;
  font-size: 1.08rem;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--header-transition), opacity var(--header-transition), background var(--header-transition);
}

.site-nav__link:hover,
.site-nav__link:focus-visible,
.site-nav__link.is-active,
.header-mobile__link:hover,
.header-mobile__link:focus-visible,
.header-mobile__link.is-active {
  color: var(--header-accent);
  opacity: 1;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: var(--header-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--header-transition);
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after,
.site-nav__link.is-active::after {
  transform: scaleX(1);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-cta,
.header-mobile__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--header-accent);
  color: var(--header-cta-text);
  border: 1px solid var(--header-accent);
  box-shadow: 0 10px 24px rgba(32, 194, 107, 0.16);
  font-family: "Manrope", sans-serif;
  font-size: 0.94rem;
  font-weight: 800;
  text-decoration: none;
  transition:
    transform var(--header-transition),
    background var(--header-transition),
    color var(--header-transition),
    box-shadow var(--header-transition),
    opacity var(--header-transition);
}

.header-cta:hover,
.header-cta:focus-visible,
.header-mobile__cta:hover,
.header-mobile__cta:focus-visible {
  color: var(--header-cta-text);
  opacity: 1;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--header-toggle-bg);
  border-radius: 14px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  z-index: 1002;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--header-text);
  border-radius: 2px;
  transition: transform var(--header-transition), opacity var(--header-transition), background var(--header-transition);
}

.site-header.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header-mobile {
  position: absolute;
  top: calc(100% + 8px);
  left: 16px;
  right: 16px;
  background: var(--header-mobile-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--header-radius);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 14px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-10px);
  transition:
    opacity var(--header-transition),
    visibility var(--header-transition),
    transform var(--header-transition);
}

.site-header.menu-open .header-mobile {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.header-mobile__nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.header-mobile__link,
.header-mobile__cta {
  border-radius: 14px;
}

.header-mobile__link {
  width: 100%;
  padding: 14px 14px;
}

.header-mobile__link:hover,
.header-mobile__link:focus-visible,
.header-mobile__link.is-active {
  background: var(--header-accent-soft);
}

.header-mobile__cta {
  min-height: 48px;
  margin-top: 10px;
}

@media (max-width: 960px) {
  .site-header__inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .site-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  body:not(.home-page) {
    padding-top: 88px;
  }

  .site-logo img {
    height: 30px;
  }
}

@media (min-width: 961px) {
  .header-mobile {
    display: none;
  }
}