/**
 * Tiragena — premium site header, desktop flyout, mobile drawer.
 * Motion: transform + opacity only. Theme tokens from theme-tokens.css / main.css.
 * STATIC_BUNDLE_ID: PROD_PIPELINE_VERIFY_20260413 — curl this file; must match deploy/asset-version.txt
 */

:root {
  --header-height: 75px;
  --nav-height: 75px;
  --tir-nav-h-desk: var(--header-height);
  --tir-nav-h-mobile: var(--header-height);
  --tir-nav-h: var(--header-height);
  --tir-nav-z: 10000;
  /* Mobile sheet: overlay < drawer < chrome (burger always tappable) */
  --tir-mobile-overlay-z: 10050;
  --tir-mobile-drawer-z: 10060;
  --tir-mobile-chrome-z: 10070;
  --tir-head-ctrl-h: 2.25rem;
  --tir-menu-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --tir-menu-ease-out: cubic-bezier(0.4, 0, 0.2, 1);
  --tir-menu-dur: 200ms;
  --tir-menu-dur-drawer: 300ms;
  --tir-drawer-pad-x: 1rem;
  --tir-header-pad-x: clamp(16px, 4vw, 28px);
}

/* Screen-reader only (labels for icon controls) */
.tir-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Header --- */
.tir-head {
  position: fixed !important;
  top: 0;
  left: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  z-index: var(--tir-nav-z);
  isolation: isolate;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(2, 8, 22, 0.78);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px) saturate(180%);
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.08) inset,
    0 10px 34px rgba(2, 6, 23, 0.22);
  transition: all 0.3s ease-in-out;
  padding-top: max(env(safe-area-inset-top), 10px);
}

@media (prefers-reduced-transparency: reduce) {
  .tir-head {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--surface-header-solid, var(--surface-header, var(--bg-panel)));
  }
}

html[data-theme="dark"] .tir-head {
  background: rgba(0, 0, 0, 0.7);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.05) inset,
    0 10px 36px rgba(0, 0, 0, 0.38);
}

html[data-theme="light"] .tir-head,
html:not([data-theme]) .tir-head {
  background: rgba(255, 255, 255, 0.7);
}

.tir-head__surface {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 var(--tir-header-pad-x);
  min-width: 0;
  box-sizing: border-box;
}

@media (max-width: 63.99rem) {
  :root {
    --header-height: 65px;
    --nav-height: 65px;
    /* Inner row target; outer header adds safe-area via .tir-head padding-top */
    --tir-head-row-h: 3.75rem;
  }
  /* Safe area belongs on .tir-head only — not duplicated here (was shifting the flex row). */
  .tir-head__surface {
    padding: 0 var(--tir-header-pad-x) 0;
  }
}

/* Brand | nav | utilities */
.tir-head__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  column-gap: clamp(10px, 2vw, 25px);
  row-gap: var(--ds-space-2, 0.5rem);
  min-height: var(--nav-height);
  width: 100%;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

@media (min-width: 64rem) {
  .tir-head__top {
    flex-wrap: nowrap;
  }
  .tir-head__logo {
    flex: 0 1 auto;
    min-width: 0;
  }
  .tir-head__nav {
    flex: 1 1 0;
    min-width: 0;
    max-width: 100%;
    justify-content: center;
  }
  .tir-head__rail {
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 0.35rem;
    max-width: 100%;
  }
  .tir-head__end {
    flex: 0 0 auto;
  }
}

.tir-head__logo {
  display: flex;
  align-items: center;
  gap: var(--ds-space-3, 0.75rem);
  justify-self: start;
  text-decoration: none;
  color: inherit;
  font-weight: 700;
  letter-spacing: -0.03em;
  min-width: 0;
  max-width: min(68vw, 22rem);
}

.tir-head__logo:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 0.5rem;
}

.tir-head__logo-img.logo,
.tir-head__logo .logo {
  width: 55px;
  height: 55px;
  border-radius: 0.65rem;
  flex-shrink: 0;
  object-fit: contain;
  object-position: center;
  box-shadow:
    0 2px 10px rgba(2, 6, 23, 0.14),
    0 0 0 1px color-mix(in srgb, var(--border) 40%, transparent);
}

.tir-head__logo-img.logo,
.tir-head__logo .logo {
  border-radius: 0.85rem;
}

.tir-head__brand-text.brand-text {
  font-family: var(--ds-font-display, var(--font-display, inherit));
  font-size: clamp(1rem, 0.92rem + 0.55vw, 1.28rem);
  line-height: 1.12;
  font-weight: 700;
  color: var(--text);
  display: block;
  max-width: 16rem;
  text-wrap: balance;
  letter-spacing: -0.035em;
}

@media (min-width: 64rem) {
  .tir-head__brand-text.brand-text {
    font-size: clamp(1.2rem, 1rem + 0.85vw, 1.55rem);
    max-width: 24rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-width: 22rem) {
  .tir-head__brand-text.brand-text {
    font-size: 0.9rem;
    max-width: 9.5rem;
  }
}

/* Center rail */
.tir-head__nav {
  display: none;
  justify-self: center;
  min-width: 0;
}

@media (min-width: 64rem) {
  .tir-head__nav {
    display: flex;
  }
}

.tir-head__rail {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 2vw, 25px);
  list-style: none;
  margin: 0;
  padding: 0.35rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

html[data-theme="dark"] .tir-head__rail {
  background: color-mix(in srgb, var(--bg-deep) 48%, transparent);
  border-color: color-mix(in srgb, var(--border) 65%, transparent);
}

.tir-head__rail > li {
  position: relative;
}

.tir-head__link,
.tir-head__trigger {
  font-family: var(--ds-font-sans, var(--font-sans, inherit));
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--text);
  text-decoration: none;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  transition:
    color var(--tir-menu-dur) var(--tir-menu-ease-out),
    background var(--tir-menu-dur) var(--tir-menu-ease-out),
    border-color var(--tir-menu-dur) var(--tir-menu-ease-out),
    box-shadow var(--tir-menu-dur) var(--tir-menu-ease-out),
    transform var(--tir-menu-dur) var(--tir-menu-ease-out);
}

@media (min-width: 64rem) {
  .tir-head__link,
  .tir-head__trigger {
    font-size: clamp(1rem, 0.94rem + 0.22vw, 1.14rem);
    font-weight: 600;
    padding: 0.58rem 1.1rem;
    letter-spacing: 0.04em;
  }
}

.tir-head__link:hover,
.tir-head__trigger:hover {
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  color: var(--text);
}

.tir-head__link:focus-visible,
.tir-head__trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tir-head__link[aria-current="page"] {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
}

.tir-head__trigger[aria-expanded="true"] {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-color: color-mix(in srgb, var(--accent) 22%, transparent);
}

/* Right: compact utilities (secondary) + burger */
.tir-head__end {
  justify-self: end;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--ds-space-2, 0.5rem);
  min-width: 0;
  flex-wrap: nowrap;
  margin-left: auto;
}

.tir-head__tools {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: nowrap;
}

.tir-head__tool--compact {
  flex-direction: row;
  align-items: center;
}

.tir-head__tool {
  display: flex;
  min-width: 0;
}

/* Icon + minimal select — utilities stay visually quiet */
.tir-head__ctrl {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  height: var(--tir-head-ctrl-h);
  padding: 0 0.45rem 0 0.4rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  background: color-mix(in srgb, var(--bg-panel) 88%, transparent);
  color: var(--muted);
  transition:
    border-color var(--tir-menu-dur) var(--tir-menu-ease-out),
    background var(--tir-menu-dur) var(--tir-menu-ease-out),
    color var(--tir-menu-dur) var(--tir-menu-ease-out);
}

.tir-head__ctrl:hover {
  border-color: color-mix(in srgb, var(--accent) 32%, var(--border));
  color: var(--text);
}

.tir-head__ctrl:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tir-head__ctrl-ic {
  flex-shrink: 0;
  opacity: 0.88;
}

.tir-head__theme-ic {
  position: relative;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tir-head__theme-ic .tir-ic-moon {
  display: none;
}

.tir-head__theme-ic.is-dark .tir-ic-sun {
  display: none;
}

.tir-head__theme-ic.is-dark .tir-ic-moon {
  display: block;
}

.tir-head .tir-head__select.theme-select,
.tir-head__select.theme-select {
  min-height: 0 !important;
  height: 1.5rem;
  min-width: 0;
  max-width: 5.75rem;
  padding: 0 1.15rem 0 0;
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.2;
  border: none !important;
  border-radius: 0;
  background: transparent !important;
  color: var(--text);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 0.05rem center !important;
  background-size: 10px 10px !important;
  box-shadow: none !important;
  transition: color var(--tir-menu-dur) var(--tir-menu-ease-out);
}

html[data-theme="light"] .tir-head .tir-head__select.theme-select,
html:not([data-theme]) .tir-head .tir-head__select.theme-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") !important;
}

.tir-head__select--theme {
  max-width: 6.5rem;
}

.tir-head__select:hover {
  color: var(--accent);
}

.tir-head__select:focus {
  outline: none;
}

/* Login — small secondary control (desktop) */
.tir-head__login {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.75rem;
  min-height: 2rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--muted);
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  transition:
    color var(--tir-menu-dur) var(--tir-menu-ease-out),
    border-color var(--tir-menu-dur) var(--tir-menu-ease-out),
    background var(--tir-menu-dur) var(--tir-menu-ease-out);
  white-space: nowrap;
}

@media (min-width: 64rem) {
  .tir-head__login {
    display: inline-flex;
  }
}

.tir-head__login:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--border) 90%, transparent);
  background: color-mix(in srgb, var(--muted) 8%, transparent);
}

.tir-head__login[aria-current="page"] {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

/* Burger — aligned with compact utilities */
.tir-head__burger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: 0.5rem;
  border: 1px solid color-mix(in srgb, var(--border) 88%, transparent);
  background: color-mix(in srgb, var(--bg-panel) 90%, transparent);
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    border-color var(--tir-menu-dur) var(--tir-menu-ease-out),
    background var(--tir-menu-dur) var(--tir-menu-ease-out);
}

.tir-head__burger-label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.tir-head__burger:hover {
  border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}

.tir-head__burger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tir-head__burger .tir-ic-close {
  display: none;
  width: 1.25rem;
  height: 1.25rem;
}

.tir-head__burger .tir-ic-menu {
  width: 1.25rem;
  height: 1.25rem;
}

@media (min-width: 64rem) {
  .tir-head__burger {
    display: none;
  }
}

html.tir-menu-open .tir-head__burger .tir-ic-menu {
  display: none;
}

html.tir-menu-open .tir-head__burger .tir-ic-close {
  display: block;
}

/* Mobile: brand | compact utilities + burger */
@media (max-width: 63.99rem) {
  /* mobile_header_center_force: main.css no longer fixes #tir-header-root height; keep one clear flex column */
  header#tir-header-root.tir-head {
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: stretch !important;
    height: auto !important;
    min-height: 0 !important;
    padding-bottom: 0 !important;
    box-sizing: border-box !important;
  }

  #tir-header-root .tir-head__surface {
    display: flex !important;
    align-items: center !important;
    flex: 1 1 auto !important;
    min-height: var(--tir-head-row-h, 3.75rem) !important;
  }

  .tir-head__top {
    min-height: var(--tir-head-row-h, 3.75rem);
    column-gap: 0.5rem;
    align-items: center !important;
    align-content: center !important;
    flex-wrap: nowrap !important;
  }

  .tir-head__nav {
    display: none;
  }

  .tir-head__logo {
    min-width: 0;
    max-width: min(70vw, 17rem);
    align-items: center !important;
    margin: 0 !important;
    gap: 0.55rem;
  }

  .tir-head__brand-text.brand-text {
    display: block !important;
    color: var(--text);
    font-size: clamp(0.8rem, 2.35vw + 0.33rem, 0.96rem);
    line-height: 1.1;
    max-width: min(50vw, 12.75rem);
  }

  .tir-head__end {
    flex-shrink: 0;
    min-width: fit-content;
    align-items: center !important;
    align-self: center !important;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
  }

  .tir-head__brand-text.brand-text {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    font-size: clamp(0.82rem, 1.7vw + 0.52rem, 0.94rem);
    line-height: 1.2;
    max-width: min(44vw, 11rem);
    white-space: normal;
    text-overflow: unset;
    word-break: break-word;
  }

  .tir-head__tools {
    display: flex;
    align-items: center !important;
    gap: 0.32rem;
  }

  .tir-head__logo-img.logo,
  .tir-head__logo .logo {
    width: 42px !important;
    height: 42px !important;
    max-height: 42px !important;
    margin: 0 !important;
    vertical-align: middle;
    border-radius: 0.55rem;
  }

  .tir-head__ctrl {
    height: 2.75rem !important;
    min-height: 2.75rem !important;
    border-radius: 0.6rem;
    padding: 0 0.4rem !important;
    box-sizing: border-box !important;
    align-items: center !important;
    justify-content: center !important;
  }

  .tir-head .tir-head__select.theme-select,
  .tir-head__select.theme-select {
    height: 1.75rem !important;
    max-width: 4.9rem;
    font-size: 0.72rem;
    line-height: 1.2 !important;
    align-self: center !important;
  }

  .tir-head__select--theme {
    max-width: 5.2rem;
  }

  /* Mobile theme switcher: icon-only UI, underlying select still functional. */
  .tir-head__tool--theme .tir-head__ctrl {
    position: relative;
    width: 2.75rem;
    min-width: 2.75rem;
    padding: 0 !important;
    justify-content: center !important;
  }

  .tir-head__tool--theme .tir-head__theme-ic {
    pointer-events: none;
  }

  .tir-head__tool--theme .tir-head__select.theme-select {
    position: absolute;
    inset: 0;
    width: 100%;
    max-width: none;
    height: 100% !important;
    min-height: 100% !important;
    opacity: 0;
    cursor: pointer;
    padding: 0 !important;
    margin: 0 !important;
    background: none !important;
  }

  /* Globe only — NEVER apply display:block !important to .tir-head__theme-ic svg (breaks sun/moon swap). */
  .tir-head__tool--lang .tir-head__globe-ic .tir-head__ctrl-ic {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    display: block !important;
  }

  .tir-head__globe-ic {
    display: none !important;
  }

  .tir-head__select--lang {
    max-width: 3.7rem !important;
    min-width: 3.15rem !important;
    padding-left: 0.2rem !important;
    padding-right: 0.85rem !important;
    font-size: 0.72rem !important;
    letter-spacing: 0.06em !important;
    text-align: center !important;
  }

  .tir-head__theme-ic {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 18px !important;
    height: 18px !important;
    position: relative !important;
  }

  .tir-head__theme-ic .tir-ic-sun,
  .tir-head__theme-ic .tir-ic-moon {
    position: absolute !important;
    inset: 0 !important;
    margin: auto !important;
    display: none !important;
  }

  .tir-head__theme-ic:not(.is-dark) .tir-ic-sun {
    display: block !important;
  }

  .tir-head__theme-ic.is-dark .tir-ic-moon {
    display: block !important;
  }

  .tir-head__burger {
    width: 2.75rem;
    height: 2.75rem;
    min-width: 2.75rem;
    min-height: 2.75rem;
    border-radius: 0.6rem;
    margin: 0 !important;
    box-sizing: border-box !important;
  }

  .tir-head__burger-label {
    display: none;
  }

  /* Keep open/close glyph swap (must beat generic burger svg rules above) */
  html.tir-menu-open .tir-head__burger .tir-ic-menu {
    display: none !important;
  }

  html.tir-menu-open .tir-head__burger .tir-ic-close {
    display: block !important;
  }

  /* Single close affordance: header burger remains visible while drawer is open. */
  .tir-drawer__x {
    display: none;
  }
}

@media (max-width: 63.99rem) {
  .tir-menu-drawer {
    width: min(23rem, calc(100vw - 1rem));
    border-radius: 0.9rem 0 0 0.9rem;
  }

  .tir-drawer__body {
    font-size: 1rem;
    line-height: 1.45;
    padding-bottom: calc(1.4rem + env(safe-area-inset-bottom, 0px)) !important;
  }

  .tir-drawer__summary,
  .tir-drawer__leaf,
  .tir-drawer__branch a {
    min-height: 3.1rem;
  }
}

@media (max-width: 26.25rem) {
  .tir-head__logo {
    max-width: min(60vw, 14rem);
  }

  .tir-head__brand-text.brand-text {
    -webkit-line-clamp: 1;
    max-width: min(44vw, 9.75rem);
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
  }

  .tir-head .tir-head__select.theme-select,
  .tir-head__select.theme-select {
    max-width: 3.9rem;
    font-size: 0.6rem;
  }

  .tir-head__select--lang {
    min-width: 2.65rem !important;
    max-width: 3.1rem !important;
  }
}

/* --- Desktop flyout: floating card --- */
.tir-flyout {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  padding: 0.35rem clamp(0.75rem, 3vw, 2.25rem) 1.25rem;
  z-index: calc(var(--tir-nav-z) + 1);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.985);
  transform-origin: 50% 0;
  transition:
    opacity var(--tir-menu-dur) var(--tir-menu-ease),
    transform var(--tir-menu-dur) var(--tir-menu-ease),
    visibility 0ms linear var(--tir-menu-dur);
}

.tir-flyout.is-open {
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  transition:
    opacity var(--tir-menu-dur) var(--tir-menu-ease),
    transform var(--tir-menu-dur) var(--tir-menu-ease),
    visibility 0ms;
}

@media (prefers-reduced-motion: reduce) {
  .tir-flyout {
    transition: none;
    transform: none;
  }

  .tir-flyout.is-open {
    transform: none;
  }
}

.tir-flyout__inner {
  max-width: 86rem;
  margin: 0 auto;
  padding: 1.5rem 1.75rem 1.65rem;
  border-radius: 1.1rem;
  border: 1px solid color-mix(in srgb, var(--border) 88%, transparent);
  background: color-mix(in srgb, var(--bg-panel) 92%, transparent);
  box-shadow:
    0 24px 48px -12px rgba(2, 6, 23, 0.22),
    0 12px 24px -8px rgba(2, 6, 23, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
}

html[data-theme="light"] .tir-flyout__inner,
html:not([data-theme]) .tir-flyout__inner {
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    0 24px 48px -12px rgba(15, 23, 42, 0.14),
    0 8px 16px -4px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

html[data-theme="dark"] .tir-flyout__inner {
  background: color-mix(in srgb, var(--bg-panel) 88%, rgba(2, 6, 23, 0.65));
  box-shadow:
    0 28px 56px -12px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.tir-flyout__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 0.5rem;
}

.tir-flyout__col {
  min-width: 0;
  max-width: 28rem;
}

.tir-flyout__title {
  margin: 0 0 1rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.tir-flyout__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tir-flyout__subhead {
  margin: 0.35rem 0 0.2rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.tir-flyout__nested {
  margin-left: 0.55rem;
  padding-left: 0.7rem;
  border-left: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
}

.tir-flyout__link {
  display: block;
  padding: 0.75rem 0.85rem;
  border-radius: 0.6rem;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition:
    background var(--tir-menu-dur) var(--tir-menu-ease-out),
    transform var(--tir-menu-dur) var(--tir-menu-ease-out);
}
.tir-flyout__link:hover {
  border-radius: 999px;
}

.tir-flyout__link:hover {
  background: color-mix(in srgb, var(--accent) 11%, transparent);
}

.tir-flyout__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.tir-flyout__link[aria-current="page"] {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
}

/* --- Mobile: dimmed backdrop (below sticky header) --- */
.tir-menu-overlay {
  position: fixed;
  inset: var(--header-height, 65px) 0 0 0;
  z-index: var(--tir-mobile-overlay-z);
  background: rgba(2, 6, 23, 0.62);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition:
    opacity var(--tir-menu-dur) var(--tir-menu-ease-out),
    visibility 0ms linear var(--tir-menu-dur);
}

html.tir-menu-open .tir-menu-overlay {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transition:
    opacity var(--tir-menu-dur) var(--tir-menu-ease-out),
    visibility 0ms;
}

html[data-theme="light"] .tir-menu-overlay,
html:not([data-theme]) .tir-menu-overlay {
  background: rgba(15, 23, 42, 0.55);
}

@media (min-width: 64rem) {
  .tir-menu-overlay {
    display: none !important;
  }
}

/* --- Mobile drawer: right sheet (max ~22rem) so backdrop stays visible + tappable for dismiss --- */
.tir-menu-drawer {
  position: fixed;
  left: auto;
  right: 0;
  top: var(--header-height, 65px);
  bottom: 0;
  height: calc((var(--tir-vh, 1vh) * 100) - var(--header-height, 65px));
  max-height: calc((var(--tir-vh, 1vh) * 100) - var(--header-height, 65px));
  width: min(23.5rem, calc(100vw - 2rem));
  max-width: 100%;
  z-index: var(--tir-mobile-drawer-z);
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #071018 0%, #020617 40%);
  color: var(--text);
  border: none;
  border-radius: 1.05rem 0 0 1.05rem;
  box-shadow: -16px 0 42px rgba(0, 0, 0, 0.48);
  transform: translate3d(105%, 0, 0);
  visibility: hidden;
  overflow: hidden;
  transition:
    transform var(--tir-menu-dur-drawer) cubic-bezier(0.32, 0.72, 0, 1),
    visibility 0ms linear var(--tir-menu-dur-drawer);
  will-change: transform;
  touch-action: pan-y;
}

@supports (height: 100dvh) {
  .tir-menu-drawer {
    height: calc(100dvh - var(--header-height, 65px));
    max-height: calc(100dvh - var(--header-height, 65px));
  }
}

html.tir-menu-open .tir-menu-drawer {
  transform: translate3d(0, 0, 0);
  visibility: visible;
  transition:
    transform var(--tir-menu-dur-drawer) cubic-bezier(0.32, 0.72, 0, 1),
    visibility 0ms;
}

@media (prefers-reduced-motion: reduce) {
  .tir-menu-overlay,
  .tir-menu-drawer {
    transition: none !important;
  }
}

@media (min-width: 64rem) {
  .tir-menu-drawer {
    display: none !important;
  }
}

/* Drawer chrome: no extra safe-area-top — header already accounts for notch */
.tir-drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem var(--tir-drawer-pad-x) !important;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 88%, transparent);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 3;
  background: linear-gradient(180deg, rgba(2, 6, 23, 0.99), rgba(2, 6, 23, 0.97));
  box-shadow: 0 8px 20px -14px rgba(0, 0, 0, 0.55);
}

.tir-drawer__head strong {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #e2e8f0;
}

.tir-drawer__x {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.7rem;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-panel) 80%, transparent);
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background var(--tir-menu-dur) var(--tir-menu-ease-out),
    border-color var(--tir-menu-dur) var(--tir-menu-ease-out);
}

.tir-drawer__x:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 9%, transparent);
}

.tir-drawer__x:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 63.99rem) {
  /* Keep only one close target (header burger). */
  .tir-drawer__x {
    display: none;
  }
}

.tir-drawer__body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  max-height: none;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
  padding: 0.65rem var(--tir-drawer-pad-x) calc(1.25rem + env(safe-area-inset-bottom, 0px)) !important;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: transparent;
}

/* No staggered entrance — instant, stable layout (avoids jank with long nav trees) */
html.tir-menu-open .tir-drawer__body > * {
  animation: none !important;
  opacity: 1 !important;
  transform: none !important;
}
.tir-drawer__body,
.tir-drawer__summary,
.tir-drawer__leaf,
.tir-drawer__branch a,
.tir-head__brand-text,
.tir-head__link,
.tir-head__trigger {
  hyphens: auto;
  overflow-wrap: anywhere;
}

.tir-drawer__branch {
  border: 1px solid color-mix(in srgb, var(--border) 76%, transparent);
  border-radius: 0.82rem;
  padding: 0;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--bg-panel) 84%, rgba(2, 6, 23, 0.94)),
    color-mix(in srgb, var(--bg-deep) 72%, rgba(2, 6, 23, 0.98))
  );
  overflow: clip;
}

.tir-drawer__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 1rem;
  font-weight: 650;
  color: var(--text);
  padding: 0.9rem 0.95rem !important;
  min-height: 3rem;
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  border-radius: 0.75rem;
  background: color-mix(in srgb, var(--bg-panel) 58%, rgba(2, 6, 23, 0.92));
  border-bottom: none;
  cursor: pointer;
  list-style: none;
  transition:
    background var(--tir-menu-dur) var(--tir-menu-ease-out),
    color var(--tir-menu-dur) var(--tir-menu-ease-out),
    border-color var(--tir-menu-dur) var(--tir-menu-ease-out),
    transform var(--tir-menu-dur) var(--tir-menu-ease-out);
  -webkit-tap-highlight-color: transparent;
}

.tir-drawer__summary::-webkit-details-marker {
  display: none;
}

.tir-drawer__summary-ic {
  width: 1.1rem;
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
  transition: transform var(--tir-menu-dur) var(--tir-menu-ease-out);
  flex-shrink: 0;
}

.tir-drawer__branch[open] > .tir-drawer__summary .tir-drawer__summary-ic {
  transform: rotate(45deg);
}
.tir-drawer__branch[open] > .tir-drawer__summary {
  background: color-mix(in srgb, var(--accent) 14%, var(--bg-panel));
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
}

.tir-drawer__branch ul {
  margin: 0;
  padding: 0.35rem 0.35rem 0.5rem;
  list-style: none;
  display: none;
  flex-direction: column;
  gap: 0.35rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 55%, transparent);
  position: static;
  width: 100%;
  box-sizing: border-box;
}
.tir-drawer__branch[open] > ul {
  display: flex;
}

.tir-drawer__branch[data-depth="1"] {
  margin-left: 0.45rem;
}

.tir-drawer__branch[data-depth="2"] {
  margin-left: 0.8rem;
}

.tir-drawer__branch[data-depth="1"] > .tir-drawer__summary,
.tir-drawer__branch[data-depth="2"] > .tir-drawer__summary,
.tir-drawer__leaf[data-depth="2"] {
  font-size: 0.92rem;
}

.tir-drawer__branch a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3rem;
  padding: 0.75rem 0.95rem !important;
  border-radius: 0.55rem;
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--bg-panel) 52%, rgba(2, 6, 23, 0.9));
  text-decoration: none;
  font-size: clamp(0.92rem, 1.9vw, 1rem);
  transition:
    background var(--tir-menu-dur) var(--tir-menu-ease-out),
    color var(--tir-menu-dur) var(--tir-menu-ease-out),
    transform var(--tir-menu-dur) var(--tir-menu-ease-out);
}
html.lang-fr .tir-drawer__branch a,
html.lang-fr .tir-drawer__leaf,
html.lang-fr .tir-head__link,
html.lang-fr .tir-head__trigger {
  font-size: clamp(0.8rem, 1.5vw, 0.95rem);
}

.tir-drawer__branch a:hover {
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-panel));
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  color: var(--text);
  transform: translateY(-1px);
}

.tir-drawer__leaf {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3rem;
  padding: 0.85rem 1rem !important;
  border-radius: 0.8rem;
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-panel) 55%, rgba(2, 6, 23, 0.92));
  text-decoration: none;
  transition:
    border-color var(--tir-menu-dur) var(--tir-menu-ease-out),
    background var(--tir-menu-dur) var(--tir-menu-ease-out);
}

.tir-drawer__leaf:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}

.tir-drawer__leaf.is-active {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--text);
}

/* Light-mode menu polish: high contrast + subtle neon accent */
html[data-theme="light"] .tir-head {
  border-color: rgba(148, 163, 184, 0.44);
  background: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 16px 34px rgba(15, 23, 42, 0.12);
}

html[data-theme="light"] .tir-head__rail {
  background: color-mix(in srgb, #ffffff 88%, #e2e8f0 12%);
  border-color: color-mix(in srgb, #cbd5e1 78%, #0f172a 22%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 10px 22px rgba(15, 23, 42, 0.1);
}

html[data-theme="light"] .tir-head__link,
html[data-theme="light"] .tir-head__trigger {
  color: #0f172a;
  border-color: rgba(148, 163, 184, 0.45);
  background: color-mix(in srgb, #ffffff 80%, #f8fafc 20%);
}

html[data-theme="light"] .tir-head__link:hover,
html[data-theme="light"] .tir-head__trigger:hover,
html[data-theme="light"] .tir-head__trigger[aria-expanded="true"],
html[data-theme="light"] .tir-head__link[aria-current="page"] {
  color: #0b1220;
  border-color: color-mix(in srgb, var(--accent) 52%, #94a3b8);
  background: color-mix(in srgb, var(--accent) 14%, #ffffff);
}

html[data-theme="light"] .tir-flyout__title,
html[data-theme="light"] .tir-flyout__subhead {
  color: #334155;
}

html[data-theme="light"] .tir-menu-drawer {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(248, 250, 252, 0.98));
  border-left-color: rgba(148, 163, 184, 0.5);
}

html[data-theme="light"] .tir-drawer__branch {
  border-color: rgba(148, 163, 184, 0.54);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(241, 245, 249, 0.94));
}

html[data-theme="light"] .tir-drawer__summary,
html[data-theme="light"] .tir-drawer__branch a,
html[data-theme="light"] .tir-drawer__leaf {
  color: #0f172a !important;
  border-color: rgba(148, 163, 184, 0.54);
  background: color-mix(in srgb, #ffffff 87%, #e2e8f0 13%);
}

html[data-theme="light"] .tir-drawer__summary-label,
html[data-theme="light"] .tir-drawer__summary > span:not(.tir-drawer__summary-ic) {
  color: #0f172a !important;
}

html[data-theme="light"] .tir-drawer__summary-ic {
  color: #334155;
}

html[data-theme="light"] .tir-drawer__branch[open] > .tir-drawer__summary,
html[data-theme="light"] .tir-drawer__branch a:hover,
html[data-theme="light"] .tir-drawer__leaf:hover,
html[data-theme="light"] .tir-drawer__leaf.is-active {
  color: #0b1220;
  border-color: color-mix(in srgb, var(--accent) 54%, #94a3b8);
  background: color-mix(in srgb, var(--accent) 13%, #ffffff);
}

html[data-theme="light"] .tir-drawer__extras {
  border-top-color: rgba(148, 163, 184, 0.6);
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.95), rgba(241, 245, 249, 0.98));
}

.tir-drawer__extras {
  margin-top: auto;
  padding-top: 1.35rem;
  padding-bottom: 0.35rem;
  padding-inline: 0.15rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  display: grid;
  gap: 0.8rem;
  background: linear-gradient(180deg, rgba(2, 6, 23, 0.96), rgba(2, 6, 23, 1));
  border-radius: 0.9rem 0.9rem 0.75rem 0.75rem;
}

.tir-drawer__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px !important;
  padding-inline: 1rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--accent) 26%, rgba(2, 6, 23, 0.2)),
    color-mix(in srgb, var(--accent-2) 14%, rgba(2, 6, 23, 0.4))
  );
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow: 0 10px 24px -16px color-mix(in srgb, var(--accent) 62%, transparent);
  transition:
    transform var(--tir-menu-dur) var(--tir-menu-ease-out),
    filter var(--tir-menu-dur) var(--tir-menu-ease-out),
    box-shadow var(--tir-menu-dur) var(--tir-menu-ease-out);
}

.tir-drawer__cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
  box-shadow: 0 16px 30px -18px color-mix(in srgb, var(--accent) 66%, transparent);
}

/* Single-scroll root (menu closed): html owns vertical scroll; body/main stay in normal flow. */
html:not(.tir-menu-open) {
  height: auto;
  min-height: 100%;
  max-height: none;
  overflow-x: hidden;
  overflow-y: auto;
}

body:not(.tir-menu-open) {
  position: static;
  top: auto;
  left: auto;
  right: auto;
  width: auto;
  height: auto;
  min-height: 100%;
  max-height: none;
  overflow-x: clip;
  overflow-y: visible !important;
}

main:not(.tir-menu-open),
#main:not(.tir-menu-open),
.index-main:not(.tir-menu-open) {
  height: auto !important;
  min-height: 0 !important;
  max-height: none !important;
  overflow-x: clip;
  overflow-y: visible !important;
}

@supports not (overflow: clip) {
  body:not(.tir-menu-open),
  main:not(.tir-menu-open),
  #main:not(.tir-menu-open),
  .index-main:not(.tir-menu-open) {
    overflow-x: hidden;
  }
}

/* Scroll lock: background page must not scroll; sheet body scrolls independently */
html.tir-menu-open {
  overflow: hidden !important;
  height: 100%;
  overscroll-behavior: none;
}
body.tir-menu-open {
  position: fixed;
  left: 0;
  right: 0;
  width: 100% !important;
  overflow: hidden !important;
  overscroll-behavior: none;
}

html.tir-menu-open .tir-head {
  z-index: var(--tir-mobile-chrome-z);
}

@media (max-width: 29.99rem) {
  .tir-drawer__head {
    padding-inline: 0.9rem !important;
  }
  .tir-drawer__body {
    padding-inline: 0.9rem !important;
  }
  .tir-drawer__summary {
    font-size: 0.95rem;
    padding-inline: 0.8rem !important;
  }
  .tir-drawer__branch a,
  .tir-drawer__leaf {
    font-size: 0.9rem;
  }
}

.tir-drawer__prefs {
  margin-top: 0.35rem;
  padding: 0.75rem 0.1rem 0.6rem;
  border-top: 1px solid var(--border);
}

.tir-drawer__prefs-title {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.tir-drawer__prefs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.tir-drawer__chip {
  border: 1px solid color-mix(in srgb, var(--border) 95%, transparent);
  background: color-mix(in srgb, var(--bg-deep) 55%, transparent);
  color: var(--text);
  border-radius: 0.55rem;
  min-height: 2.45rem;
  padding: 0.4rem 0.72rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.tir-drawer__extras a {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.35rem 0;
  font-weight: 600;
  color: var(--accent);
}

/* Scroll spy */
.tir-head a[data-tir-spy].is-active,
.tir-menu-drawer a[data-tir-spy].is-active {
  color: var(--accent);
  font-weight: 700;
}

/* Index scroll-margin */
html.index-home .tir-head {
  --ix-header-h: var(--tir-nav-h);
}

.index-main > .ix-section {
  scroll-margin-top: calc(env(safe-area-inset-top, 0px) + var(--ix-header-h) + 0.35rem);
}

.ix-hero#top {
  scroll-margin-top: calc(env(safe-area-inset-top, 0px) + var(--ix-header-h) + 0.35rem);
}

/*
 * Nuclear isolation: public marketing pages use ONLY #tir-header-root (tir-menu.js).
 * If an old template ever injects a second <header> (site-header / ix-header), hide it
 * so only one chrome exists. Safe: real pages have a single body > header.
 */
body > header:not(#tir-header-root) {
  display: none !important;
}

/* Match legacy nav: hide scroll-to-top while mobile drawer is open */
html.tir-menu-open .scroll-top {
  visibility: hidden;
  pointer-events: none;
  opacity: 0;
}

/* ===== 2026-04 UI/UX refinement: mobile drawer readability + hierarchy ===== */
@media (max-width: 63.99rem) {
  .tir-menu-drawer {
    width: min(24rem, calc(100vw - 1.8rem));
    border-radius: 1rem 0 0 1rem;
  }

  .tir-drawer__head {
    padding: 1rem var(--tir-drawer-pad-x) 0.9rem !important;
  }

  .tir-drawer__head strong {
    font-size: 1.14rem;
    letter-spacing: -0.015em;
  }

  .tir-drawer__body {
    gap: 0.9rem;
    padding-top: 0.8rem !important;
  }

  .tir-drawer__summary {
    min-height: 3.25rem;
    padding: 0.95rem 1rem !important;
    font-size: 1rem;
    line-height: 1.35;
    letter-spacing: 0;
  }

  .tir-drawer__summary-label {
    flex: 1 1 auto;
    min-width: 0;
  }

  .tir-drawer__branch ul {
    gap: 0.45rem;
    padding: 0.45rem 0.45rem 0.6rem;
  }

  .tir-drawer__branch a,
  .tir-drawer__leaf {
    min-height: 3.2rem;
    line-height: 1.4;
    letter-spacing: 0;
    hyphens: manual;
    overflow-wrap: normal;
    word-break: normal;
    white-space: normal;
  }

  .tir-drawer__branch a {
    padding: 0.82rem 1rem !important;
    font-size: 0.96rem;
    color: color-mix(in srgb, var(--text) 88%, var(--muted));
  }

  .tir-drawer__leaf {
    padding: 0.9rem 1rem !important;
    font-size: 0.98rem;
    font-weight: 650;
    border-radius: 0.75rem;
  }

  .tir-drawer__branch[data-depth="1"] > .tir-drawer__summary,
  .tir-drawer__leaf[data-depth="1"],
  .tir-drawer__branch[data-depth="1"] a {
    padding-left: 1.2rem !important;
  }

  .tir-drawer__branch[data-depth="2"] > .tir-drawer__summary,
  .tir-drawer__leaf[data-depth="2"],
  .tir-drawer__branch[data-depth="2"] a {
    padding-left: 1.45rem !important;
    font-size: 0.93rem;
  }

  .tir-drawer__branch[data-depth="2"] {
    border-color: color-mix(in srgb, var(--border) 58%, transparent);
    background: color-mix(in srgb, var(--bg-panel) 56%, rgba(2, 6, 23, 0.98));
  }

  .tir-drawer__extras {
    gap: 0.7rem;
    padding-top: 1rem;
  }

  .tir-drawer__cta {
    min-height: 3.2rem !important;
    font-size: 0.96rem;
  }
}

@media (max-width: 26.25rem) {
  .tir-menu-drawer {
    width: min(22.5rem, calc(100vw - 1.2rem));
  }

  .tir-drawer__summary {
    font-size: 0.95rem;
    min-height: 3.05rem;
  }

  .tir-drawer__branch a,
  .tir-drawer__leaf {
    min-height: 3rem;
    font-size: 0.91rem;
  }
}