.tsl-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  background: rgba(5, 6, 8, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tsl-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.tsl-header__brand {
  display: flex;
  align-items: center;
}

.tsl-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #f5f5f5;
}

.tsl-header__logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 2px solid #f97316;
  position: relative;
  box-shadow: 0 0 0 1px rgba(249, 115, 22, 0.3);
}

.tsl-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, #f97316, #e11d48 60%, #0f172a 100%);
}

.tsl-header__logo-text {
  font-family: "Oswald", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
}

.tsl-header__nav {
  display: flex;
}

.tsl-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
}

.tsl-header__nav-link {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: #e5e7eb;
  padding: 0.4rem 0;
  position: relative;
  display: inline-flex;
  align-items: center;
}

.tsl-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #f97316, #e11d48);
  transition: width 0.18s ease-out;
}

.tsl-header__nav-link:hover::after,
.tsl-header__nav-link:focus-visible::after {
  width: 100%;
}

.tsl-header__nav-link:hover,
.tsl-header__nav-link:focus-visible {
  color: #ffffff;
}

.tsl-header__nav-item--cta .tsl-header__nav-link--cta {
  padding: 0.45rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(249, 115, 22, 0.9);
  background: radial-gradient(circle at 0 0, rgba(249, 115, 22, 0.25), transparent 55%),
    linear-gradient(90deg, #f97316, #e11d48);
  color: #0b0b10;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.7);
}

.tsl-header__nav-item--cta .tsl-header__nav-link--cta::after {
  display: none;
}

.tsl-header__nav-item--cta .tsl-header__nav-link--cta:hover,
.tsl-header__nav-item--cta .tsl-header__nav-link--cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.85);
}

.tsl-header__toggle {
  display: none;
  position: relative;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: radial-gradient(circle at 0 0, rgba(249, 115, 22, 0.12), transparent 55%), #020617;
  padding: 0;
  cursor: pointer;
  justify-content: center;
  align-items: center;
}

.tsl-header__toggle-bar {
  width: 1.35rem;
  height: 2px;
  border-radius: 999px;
  background-color: #e5e7eb;
  display: block;
  transition: transform 0.16s ease-out, opacity 0.16s ease-out, translate 0.16s ease-out;
}

.tsl-header__toggle-bar + .tsl-header__toggle-bar {
  margin-top: 0.25rem;
}

.tsl-header__toggle:focus-visible,
.tsl-header__logo:focus-visible,
.tsl-header__nav-link:focus-visible {
  outline: 2px solid #f97316;
  outline-offset: 3px;
}

.tsl-header__toggle.is-active .tsl-header__toggle-bar:nth-child(1) {
  translate: 0 6px;
  transform: rotate(45deg);
}

.tsl-header__toggle.is-active .tsl-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.tsl-header__toggle.is-active .tsl-header__toggle-bar:nth-child(3) {
  translate: 0 -6px;
  transform: rotate(-45deg);
}

@media (max-width: 768px) {
  .tsl-header__inner {
    padding-inline: 1rem;
  }

  .tsl-header__toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .tsl-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: rgba(2, 6, 23, 0.98);
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.16s ease-out, transform 0.16s ease-out, visibility 0.16s ease-out;
  }

  .tsl-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.75rem 1.25rem 1rem;
    gap: 0.4rem;
  }

  .tsl-header__nav-link {
    padding-block: 0.35rem;
  }

  .tsl-header__nav-item--cta .tsl-header__nav-link--cta {
    width: 100%;
    justify-content: center;
    text-align: center;
    margin-top: 0.25rem;
  }

  .tsl-header__nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: scaleY(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .tsl-header__toggle-bar,
  .tsl-header__nav {
    transition: none;
  }
}