/* Navigation component, pure semantic tokens */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: var(--surface-canvas);
  border-bottom: 1px solid var(--border-hairline);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
}

.nav__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-6);
}

.nav__logo {
  display: block;
  height: 30px;
  width: auto;
  flex: 0 0 auto;
}

.nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex: 1;
  justify-content: center;
}

.nav__item {
  position: relative;
}

.nav__trigger {
  font-family: var(--f-sans);
  font-size: var(--s-sm);
  font-weight: var(--w-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  background: transparent;
  border: 0;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s ease, background 0.2s ease;
  text-decoration: none;
}

.nav__trigger:hover,
.nav__trigger:focus-visible,
.nav__item[data-open="true"] .nav__trigger {
  color: var(--ink-heading);
  background: rgba(16, 16, 16, 0.05);
}

.nav__chevron {
  width: 14px;
  height: 14px;
  transition: transform 0.25s ease;
}

.nav__item[data-open="true"] .nav__chevron {
  transform: rotate(180deg);
}

.nav__panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--surface-canvas);
  border: 1px solid var(--border-hairline);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: 0 20px 48px rgba(16, 16, 16, 0.08);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  display: flex;
  gap: var(--sp-7);
  min-width: 480px;
}

.nav__item[data-align="right"] .nav__panel {
  left: auto;
  right: 0;
}

.nav__item[data-align="center"] .nav__panel {
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
}

.nav__item[data-align="center"][data-open="true"] .nav__panel {
  transform: translateX(-50%) translateY(0);
}

.nav__item[data-open="true"] .nav__panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav__group-title {
  font-family: var(--f-sans);
  font-size: 11px;
  font-weight: var(--w-medium);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0 0 var(--sp-4) 0;
}

.nav__sub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  min-width: 260px;
}

.nav__sub-link {
  display: block;
  text-decoration: none;
  color: var(--ink-heading);
  border-left: 1px solid transparent;
  padding: 2px 0 2px var(--sp-4);
  margin-left: calc(var(--sp-4) * -1);
  transition: border-color 0.2s ease, padding-left 0.2s ease;
}

.nav__sub-link:hover {
  border-left-color: var(--accent);
}

.nav__sub-label {
  display: block;
  font-family: var(--f-serif-display);
  font-size: 18px;
  font-weight: var(--w-regular);
  color: var(--ink-heading);
  margin: 0;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.nav__sub-label em {
  font-family: var(--f-serif-italic);
  font-style: italic;
}

.nav__sub-desc {
  display: block;
  font-family: var(--f-sans);
  font-size: 12px;
  color: var(--ink-mute);
  margin: 3px 0 0 0;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.nav__cta {
  flex: 0 0 auto;
  display: inline-block;
  background: var(--accent);
  color: var(--accent-on);
  padding: 10px 20px;
  font-family: var(--f-sans);
  font-size: 12px;
  font-weight: var(--w-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--r-pill);
  transition: background 0.2s ease;
}

.nav__cta:hover {
  background: var(--accent-hover);
}

.nav__burger {
  display: none;
  flex: 0 0 auto;
  margin-left: auto;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
  color: var(--ink-heading);
}

.nav__burger svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 900px) {
  .nav__list { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: flex; align-items: center; }
}

/* --- Mobile drawer --- */
.nav__drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--surface-canvas);
  display: flex;
  flex-direction: column;
  padding: var(--sp-5);
  transform: translateY(-100%);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.nav__drawer[data-open="true"] {
  transform: translateY(0);
}

.nav__drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-7);
}

.nav__drawer-close {
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
  color: var(--ink-heading);
}

.nav__drawer-close svg {
  width: 24px;
  height: 24px;
}

.nav__drawer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  flex: 1;
}

.nav__drawer-item {
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: var(--sp-4);
}

.nav__drawer-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--f-serif-display);
  font-size: 28px;
  font-weight: var(--w-regular);
  color: var(--ink-heading);
  text-decoration: none;
  letter-spacing: -0.01em;
  cursor: pointer;
  padding: 0;
  background: transparent;
  border: 0;
  width: 100%;
  text-align: left;
}

.nav__drawer-link em {
  font-family: var(--f-serif-italic);
  font-style: italic;
}

.nav__drawer-item[data-open="true"] .nav__drawer-link svg {
  transform: rotate(180deg);
}

.nav__drawer-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
}

.nav__drawer-sub {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding-left: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.nav__drawer-item[data-open="true"] .nav__drawer-sub {
  max-height: 1000px;
  margin-top: var(--sp-4);
}

.nav__drawer-sub a {
  display: block;
  font-family: var(--f-serif-display);
  font-size: 18px;
  color: var(--ink-heading);
  text-decoration: none;
}

.nav__drawer-sub a em {
  font-family: var(--f-serif-italic);
  font-style: italic;
}

.nav__drawer-sub-desc {
  display: block;
  font-family: var(--f-sans);
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 2px;
}

.nav__drawer-cta {
  margin-top: var(--sp-5);
  background: var(--accent);
  color: var(--accent-on);
  padding: 18px var(--sp-5);
  border-radius: var(--r-pill);
  font-family: var(--f-sans);
  font-size: 13px;
  font-weight: var(--w-medium);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
}

@media (min-width: 901px) {
  .nav__drawer { display: none; }
}