/* ==========================================================================
   Nav Drawer — right-side panel (matches Figma "Menu - Expand")
   ========================================================================== */

/* ── Overlay: blurs the page behind the drawer. The header (z 100: logo,
   Let's talk, close toggle) and the drawer itself (z 90) sit ABOVE it and
   stay sharp; everything below z 80 gets the frosted treatment. ──────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(240, 241, 250, 0.15);   /* faint lavender tint */
  -webkit-backdrop-filter: blur(0px);
  backdrop-filter: blur(0px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease,
              backdrop-filter 0.4s ease,
              -webkit-backdrop-filter 0.4s ease;
}
body.drawer-open .nav-overlay {
  opacity: 1;
  pointer-events: auto;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

/* ── Drawer panel — full-height, right side, below the header (z 100) ───────── */
.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(370px, 100vw);
  background: var(--bg-primary);
  z-index: 90;                 /* above overlay (80), below header (100) */
  padding: 136px 50px 40px;    /* Figma: items start 136px down, 50px inset */
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}
.nav-drawer.is-open { transform: translateX(0); }

/* ── Nav items ─────────────────────────────────────────────────────────────── */
.nav-drawer__nav { flex: 1; }
.nav-drawer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.nav-drawer__item {
  /* Staggered fade + slide-in */
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.nav-drawer.is-open .nav-drawer__item { opacity: 1; transform: translateX(0); }
.nav-drawer.is-open .nav-drawer__item:nth-child(1) { transition-delay: 0.06s; }
.nav-drawer.is-open .nav-drawer__item:nth-child(2) { transition-delay: 0.10s; }
.nav-drawer.is-open .nav-drawer__item:nth-child(3) { transition-delay: 0.14s; }
.nav-drawer.is-open .nav-drawer__item:nth-child(4) { transition-delay: 0.18s; }
.nav-drawer.is-open .nav-drawer__item:nth-child(5) { transition-delay: 0.22s; }
.nav-drawer.is-open .nav-drawer__item:nth-child(6) { transition-delay: 0.26s; }

.nav-drawer__item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-drawer__link {
  display: block;
  padding: 0;
  font-size: var(--body-lg);        /* 24px */
  line-height: var(--body-lg-lh);   /* 36px */
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text-title);
  text-decoration: none;
  flex: 1;
  transition: color 0.15s;
}
.nav-drawer__link:hover { color: var(--dragster-blue); }

/* ── Expand toggle (+ rotates to ×) ────────────────────────────────────────── */
.nav-drawer__expand {
  width: 20px;
  height: 20px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  color: var(--text-title);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s ease, color 0.15s;
}
.nav-drawer__item.is-expanded .nav-drawer__expand {
  transform: rotate(45deg);
  color: var(--dragster-blue);
}

/* ── Sub-items (accordion — animated open + staggered fade-in) ─────────────── */
.nav-drawer__sub {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.3s ease, margin 0.4s ease;
}
.nav-drawer__item.is-expanded .nav-drawer__sub {
  max-height: 400px;
  margin-top: 14px;
  opacity: 1;
}
.nav-drawer__sub li {
  padding: 0;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.nav-drawer__item.is-expanded .nav-drawer__sub li { opacity: 1; transform: none; }
.nav-drawer__item.is-expanded .nav-drawer__sub li:nth-child(1) { transition-delay: 0.08s; }
.nav-drawer__item.is-expanded .nav-drawer__sub li:nth-child(2) { transition-delay: 0.13s; }
.nav-drawer__item.is-expanded .nav-drawer__sub li:nth-child(3) { transition-delay: 0.18s; }
.nav-drawer__item.is-expanded .nav-drawer__sub li:nth-child(4) { transition-delay: 0.23s; }
.nav-drawer__item.is-expanded .nav-drawer__sub li:nth-child(5) { transition-delay: 0.28s; }
.nav-drawer__sub a {
  font-size: var(--body-sm);        /* 16px */
  color: var(--text-body);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-drawer__sub a:hover { color: var(--text-title); }

/* ── Footer (social links) — bottom, right-aligned ─────────────────────────── */
.nav-drawer__footer {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  flex-shrink: 0;
  margin-top: 40px;
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.35s ease 0.30s, transform 0.35s ease 0.30s;
}
.nav-drawer.is-open .nav-drawer__footer { opacity: 1; transform: translateX(0); }
.nav-drawer__social-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--body-xs);        /* 14px */
  color: var(--text-title);
  text-decoration: none;
  transition: opacity 0.15s;
}
.nav-drawer__social-link::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.nav-drawer__social-link:hover { opacity: 0.55; }