.tbs-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: radial-gradient(circle at top left, rgba(250, 246, 240, 0.98) 0, rgba(243, 235, 225, 0.96) 38%, rgba(243, 235, 225, 0.9) 100%);
  border-bottom: 1px solid rgba(225, 216, 205, 0.9);
}

.tbs-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding-block: 10px;
  column-gap: var(--space-8);
}

.tbs-brand-wrap {
  flex: 1 1 auto;
  min-width: 0;
}

.tbs-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 6px 4px;
  border-radius: 999px;
  border: 1px solid rgba(201, 185, 168, 0.7);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(250, 246, 240, 0.96));
  box-shadow: 0 8px 26px rgba(12, 8, 4, 0.08);
}

.tbs-brand:hover {
  border-color: rgba(196, 90, 59, 0.75);
}

.tbs-brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background-image: conic-gradient(from 210deg, #c45a3b, #e08a53, #f0c2a6, #c45a3b);
  position: relative;
  flex-shrink: 0;
}

.tbs-brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, #faf6f0, #f3ebe1);
}

.tbs-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.tbs-brand-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.tbs-brand-subtitle {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gray-500);
}

.tbs-primary-nav {
  flex: 0 0 auto;
}

.tbs-nav-list {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.tbs-nav-item {
  position: relative;
}

.tbs-nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding-block: 0.2rem;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-700);
}

.tbs-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #c45a3b, #e08a53);
  transition: width var(--duration-base) var(--easing-soft);
}

.tbs-nav-link:hover::after,
.tbs-nav-link:focus-visible::after {
  width: 100%;
}

.tbs-nav-link-cta {
  padding-inline: 1.1rem;
  padding-block: 0.45rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #c45a3b, #e08a53);
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.tbs-nav-link-cta::after {
  display: none;
}

.tbs-nav-link-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-strong);
}

.tbs-nav-link-cta:active {
  transform: translateY(0);
  box-shadow: var(--shadow-subtle);
}

.tbs-nav-cta {
  margin-left: 0.5rem;
}

.tbs-nav-toggle {
  position: relative;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(201, 185, 168, 0.9);
  background: rgba(250, 246, 240, 0.96);
  align-items: center;
  justify-content: center;
  row-gap: 6px;
  cursor: pointer;
  transition: background-color var(--duration-base) var(--easing-soft), border-color var(--duration-base) var(--easing-soft), box-shadow var(--duration-base) var(--easing-soft), transform var(--duration-base) var(--easing-snappy);
  display: none;
}

.tbs-nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-gray-700);
  transition: transform var(--duration-base) var(--easing-snappy), opacity var(--duration-base) var(--easing-snappy);
}

.tbs-nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.tbs-nav-toggle.is-open {
  background: #1f1f23;
  border-color: #1f1f23;
}

.tbs-nav-toggle.is-open .tbs-nav-toggle-bar {
  background: #faf6f0;
}

.tbs-nav-toggle.is-open .tbs-nav-toggle-bar:first-child {
  transform: translateY(4px) rotate(45deg);
}

.tbs-nav-toggle.is-open .tbs-nav-toggle-bar:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

@media (max-width: 960px) {
  .tbs-nav-toggle {
    display: flex;
  }

  .tbs-primary-nav {
    position: fixed;
    inset-inline: 0;
    top: 72px;
    background: radial-gradient(circle at top left, rgba(250, 246, 240, 0.98) 0, rgba(243, 235, 225, 0.97) 50%, rgba(243, 235, 225, 0.98) 100%);
    border-bottom: 1px solid rgba(225, 216, 205, 0.9);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--duration-base) var(--easing-soft), opacity var(--duration-base) var(--easing-soft);
  }

  .tbs-primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .tbs-nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.4rem var(--grid-gutter) 1.6rem;
    gap: 1.1rem;
  }

  .tbs-nav-cta {
    width: 100%;
  }

  .tbs-nav-link-cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .tbs-header-inner {
    min-height: 64px;
  }

  .tbs-brand-subtitle {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tbs-primary-nav,
  .tbs-nav-toggle,
  .tbs-nav-link,
  .tbs-nav-link-cta {
    scroll-behavior: auto;
    transition: none;
  }
}