.landing-header-wrapper {
  position: sticky;
  top: 0;
  z-index: 50;
}

.landing-header {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(var(--color-paper-rgb), 0.8);
}

.landing-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.landing-header__brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-ink);
  transition: opacity 0.2s;
}

.landing-header__brand:hover {
  opacity: 0.8;
}

.landing-header__brand:hover .landing-header__dot {
  animation: none;
  transform: scale(1.2);
}

.landing-header__dot {
  width: 12px;
  height: 12px;
  border-radius: 9999px;
  display: inline-block;
  background: linear-gradient(100deg, var(--color-violet) 0%, var(--color-blue) 55%, var(--color-cyan) 100%);
  animation: pulse 2.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}

.landing-header__menu {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 32px;
  color: var(--color-mut);
}

@media (min-width: 1280px) {
  .landing-header__menu {
    display: flex;
  }
}

.landing-header__link {
  position: relative;
  color: var(--color-mut);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.landing-header__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-violet);
  border-radius: 1px;
  transition: width 0.25s ease, left 0.25s ease;
}

.landing-header__link:hover {
  color: var(--color-ink);
}

.landing-header__link:hover::after {
  width: 100%;
  left: 0;
}

.landing-header__cta {
  display: inline-block;
  background: linear-gradient(100deg, var(--color-violet) 0%, var(--color-blue) 55%, var(--color-cyan) 100%);
  color: var(--color-card);
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 9999px;
  text-decoration: none;
  transition: box-shadow 0.2s;
}

.landing-header__cta:hover,
.landing-header__cta:focus-visible {
  color: var(--color-card);
}


.landing-header__toggle {
  display: flex;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
  color: var(--color-ink);
  border-radius: 6px;
  transition: background 0.2s;
}

.landing-header__toggle:hover {
  background: rgba(var(--color-ink-rgb), 0.06);
}

@media (min-width: 1280px) {
  .landing-header__toggle {
    display: none;
  }
}

.landing-header__toggle-icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 24px;
}

.landing-header__toggle-icon span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
}

.landing-header__toggle--active .landing-header__toggle-icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.landing-header__toggle--active .landing-header__toggle-icon span:nth-child(2) {
  opacity: 0;
}

.landing-header__toggle--active .landing-header__toggle-icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
#landing-mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 50;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(var(--color-paper-rgb), 0.8);
  border-bottom: 1px solid rgba(var(--color-ink-rgb), 0.08);
  transition: visibility 0.25s, opacity 0.25s ease, transform 0.25s ease;
}

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

@media (min-width: 1280px) {
  #landing-mobile-menu {
    display: none !important;
  }
}

.landing-header__mobile-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 24px;
  list-style: none;
  margin: 0;
  color: var(--color-mut);
}

.landing-header__link--mobile {
  position: relative;
  display: inline-block;
  text-align: center;
  padding: 4px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-mut);
  text-decoration: none;
  transition: color 0.2s;
}

.landing-header__link--mobile::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-violet);
  border-radius: 1px;
  transition: width 0.25s ease, left 0.25s ease;
}

.landing-header__link--mobile:hover {
  color: var(--color-ink);
}

.landing-header__link--mobile:hover::after {
  width: 100%;
  left: 0;
}

.landing-header__cta--mobile {
  display: inline-block;
  text-align: center;
  padding: 10px 18px;
}

.landing-header__cta--mobile:hover,
.landing-header__cta--mobile:focus-visible {
  color: var(--color-card);
}