/* Trevio Space header styles */

.ts-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 7, 12, 0.97), rgba(5, 7, 12, 0.88));
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.ts-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.ts-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
}

.ts-header__logo-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background:
    conic-gradient(from 220deg, #4f46e5, #22c55e, #06b6d4, #4f46e5);
  padding: 2px;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.9);
}

.ts-header__logo-mark::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 20%, rgba(248, 250, 252, 0.85), transparent 55%),
    radial-gradient(circle at 70% 80%, rgba(148, 163, 184, 0.45), transparent 55%),
    #020617;
}

.ts-header__brand-text {
  display: flex;
  flex-direction: column;
}

.ts-header__brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.03em;
  font-size: 0.98rem;
}

.ts-header__brand-tagline {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

/* Nav */

.ts-header__nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.ts-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.ts-header__nav-item .nav-link {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  padding: 0.25rem 0;
  position: relative;
}

.ts-header__nav-item .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), #22c55e);
  transition: width var(--transition-base);
}

.ts-header__nav-item .nav-link:hover,
.ts-header__nav-item .nav-link:focus-visible {
  color: var(--color-text);
}

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

.ts-header__cta-btn {
  font-size: 0.78rem;
  padding-inline: 1.3rem;
  padding-block: 0.55rem;
}

/* Mobile menu toggle */

.ts-header__menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-text);
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  padding: 0.35rem 0.7rem;
  background-color: rgba(15, 23, 42, 0.9);
}

.ts-header__menu-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.ts-header__menu-toggle-icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  /* Keep burger-to-X transition consistent across font sizes */
  gap: 4px;
}

.ts-header__menu-line {
  width: 17px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
}

.ts-header__menu-toggle-label {
  font-size: 0.78rem;
}

/* Toggle open state (controlled by JS) */

.ts-header__menu-toggle[aria-expanded="true"] .ts-header__menu-line:first-child {
  /* Move top line to the middle line's position: height(2px)+gap(4px)=6px */
  transform: translateY(6px) rotate(45deg);
}

.ts-header__menu-toggle[aria-expanded="true"] .ts-header__menu-line:last-child {
  transform: translateY(-6px) rotate(-45deg);
}

.ts-header__menu-toggle[aria-expanded="true"] .ts-header__menu-line:nth-child(2) {
  opacity: 0;
  width: 0;
}

/* Responsive layout */

@media (max-width: 768px) {
  .ts-header__inner {
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
  }

  .ts-header__brand-tagline {
    display: none;
  }

  /* `show-on-mobile` from base.css forces `display: block !important` at very small widths.
     For the burger toggle we need `inline-flex` to keep icon+label aligned. */
  .ts-header__menu-toggle.show-on-mobile {
    display: inline-flex !important;
  }

  .ts-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 3.3rem;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.98), rgba(2, 6, 23, 0.98));
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    padding: 0.75rem 1.25rem 1.1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .ts-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    width: 100%;
  }

  .ts-header__nav-item .nav-link {
    font-size: 0.95rem;
  }

  .ts-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (min-width: 769px) {
  .ts-header__menu-toggle {
    display: none;
  }
}