.nav-shell {
  position: fixed;
  z-index: 50;
  top: 18px;
  left: 50%;
  width: min(1180px, calc(100% - 40px));
  height: 68px;
  padding: 0 12px 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  overflow: visible;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 22px;
  background: rgba(13,14,19,.82);
  box-shadow: 0 14px 50px rgba(0,0,0,.34);
  backdrop-filter: blur(22px);
  transform: translateX(-50%);
}
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand-logo { width: auto; height: 28px; display: block; }
.brand-logo-light { display: none; }
[data-theme="light"] .brand-logo-dark { display: none; }
[data-theme="light"] .brand-logo-light { display: block; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  color: #a6a8b0;
  font-family: inherit;
  font-size: 14px;
}
.nav-direct,
.nav-group-trigger {
  min-height: 40px;
  padding: 0 11px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  border-radius: 10px;
  color: inherit;
  background: transparent;
  font: inherit;
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
}
.nav-direct:hover,
.nav-group-trigger:hover,
.nav-direct.active,
.nav-group.active > .nav-group-trigger { color: var(--accent); background: rgba(239,85,71,.07); }
.nav-group { position: relative; }
.nav-group-trigger svg,
.mobile-nav-group summary svg {
  width: 11px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
  transition: transform .2s ease;
}
.nav-group.open .nav-group-trigger svg,
.nav-group:focus-within .nav-group-trigger svg { transform: rotate(180deg); }
.nav-panel {
  position: absolute;
  top: calc(100% + 14px);
  z-index: 60;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--paper) 97%, transparent);
  box-shadow: 0 28px 70px rgba(0,0,0,.42);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity .18s ease, visibility .18s ease, transform .18s ease;
}
.nav-panel::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: 100%;
  left: 0;
  height: 16px;
}
.nav-group.open .nav-panel,
.nav-group:hover .nav-panel,
.nav-group:focus-within .nav-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}
.nav-panel-wide { left: 50%; width: min(820px, calc(100vw - 48px)); transform: translate(-50%, -6px); }
.nav-group.open .nav-panel-wide,
.nav-group:hover .nav-panel-wide,
.nav-group:focus-within .nav-panel-wide { transform: translateX(-50%); }
.nav-panel-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 18px; }
.nav-panel-column { display: flex; flex-direction: column; gap: 3px; }
.nav-panel-column > strong {
  padding: 6px 10px 9px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.nav-panel a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 10px;
  border-radius: 10px;
  color: var(--ink);
}
.nav-panel a:hover,
.nav-panel a.active { color: var(--ink); background: rgba(239,85,71,.08); }
.nav-panel a span { font-size: 13px; font-weight: 700; }
.nav-panel a small { color: var(--muted); font-size: 10px; line-height: 1.45; }
.nav-panel-all {
  margin-top: 12px;
  padding-top: 14px !important;
  border-top: 1px solid var(--line);
  flex-direction: row !important;
  align-items: center;
  justify-content: space-between;
  color: var(--accent) !important;
}
.nav-panel-resources { left: 50%; width: 340px; transform: translate(-50%, -6px); }
.nav-group.open .nav-panel-resources,
.nav-group:hover .nav-panel-resources,
.nav-group:focus-within .nav-panel-resources { transform: translateX(-50%); }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.theme-toggle { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 12px; color: var(--ink,var(--text)); background: transparent; cursor: pointer; }
.login-link { min-height: 40px; padding: 0 14px; display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 12px; font-size: 14px; font-weight: 650; }
.nav-actions .button { min-height: 44px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 13px; font-size: 14px; font-weight: 680; }
.nav-actions .button-small { color: #111218; background: #f5f5f1; }
.menu-toggle, .mobile-menu, .menu-backdrop { display: none; }

.seo-footer {
  width: min(calc(100% - 2rem), 1180px);
  margin: 0 auto;
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line);
}
.seo-footer-grid { display: grid; grid-template-columns: 1.25fr repeat(4, 1fr); gap: clamp(1.5rem, 3vw, 3rem); }
.seo-footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: .65rem; }
.seo-footer-grid strong { margin-bottom: .25rem; font-size: .84rem; }
.seo-footer p,
.seo-footer a { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.5; }
.seo-footer a { transition: color .2s ease; }
.seo-footer a:hover,
.seo-footer-all { color: var(--ink); }
.seo-footer-all { margin-top: .2rem; font-weight: 700; }
.seo-brand { display: inline-flex; }
.seo-brand img { width: 118px; height: auto; }
[data-theme="light"] .seo-brand img { filter: invert(1); }
.seo-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: #677183;
  font-size: .75rem;
}
[data-theme="light"] .nav-panel { border-color: rgba(20,27,52,.1); background: rgba(255,255,255,.97); box-shadow: 0 24px 65px rgba(28,35,65,.13); }
[data-theme="light"] .nav-shell { border-color: rgba(20,27,52,.08); background: rgba(255,255,255,.86); box-shadow: 0 14px 50px rgba(28,35,65,.09); }
[data-theme="light"] .nav-actions .button-small { color: white; background: #101426; }
[data-theme="light"] .nav-panel a small,
[data-theme="light"] .seo-footer p,
[data-theme="light"] .seo-footer a { color: #596174; }
[data-theme="light"] .seo-footer a:hover,
[data-theme="light"] .seo-footer-all { color: #101426; }

@media (max-width: 1050px) {
  .nav-direct, .nav-group-trigger { padding-inline: 8px; }
  .nav-actions { gap: 8px; }
  .nav-cta { padding-inline: 13px; }
}

@media (max-width: 900px) {
  .nav-links, .login-link, .nav-actions .nav-cta { display: none; }
  .nav-shell { width: calc(100% - 24px); top: 10px; height: 62px; padding: 0 10px 0 16px; }
  .menu-toggle { width: 40px; height: 40px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink,var(--text)); background: transparent; cursor: pointer; }
  .menu-toggle span { width: 18px; height: 2px; border-radius: 2px; background: currentColor; }
  .mobile-menu { position: fixed; top: 84px; left: 12px; right: 12px; z-index: 52; padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: color-mix(in srgb,var(--paper,var(--panel)) 96%,transparent); box-shadow: 0 28px 80px rgba(0,0,0,.42); backdrop-filter: blur(24px); }
  .mobile-menu.open { display: block; }
  .mobile-menu-head { display: flex; align-items: center; justify-content: space-between; padding: 0 2px 12px; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
  .mobile-menu-head button { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink,var(--text)); background: transparent; font-size: 22px; cursor: pointer; }
  .mobile-menu-actions { display: grid; gap: 12px; margin-top: 16px; }
  .mobile-login { padding: 11px 14px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); text-align: center; font-size: 11px; }
  .menu-backdrop { position: fixed; inset: 0; z-index: 49; background: rgba(0,0,0,.52); backdrop-filter: blur(3px); }
  .menu-backdrop.open { display: block; }
  .mobile-menu { max-height: calc(100dvh - 96px); overflow-y: auto; }
  .mobile-menu > a.mobile-nav-direct {
    display: flex;
    padding: 14px 4px;
    border-top: 1px solid var(--line);
    font-size: 19px;
    font-weight: 720;
  }
  .mobile-menu > a.mobile-nav-signup { color: var(--accent); }
  .mobile-nav-group { border-top: 1px solid var(--line); }
  .mobile-nav-group summary {
    padding: 14px 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 19px;
    font-weight: 720;
    cursor: pointer;
    list-style: none;
  }
  .mobile-nav-group summary::-webkit-details-marker { display: none; }
  .mobile-nav-group[open] summary svg { transform: rotate(180deg); }
  .mobile-nav-group > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 12px; padding: 0 0 12px; }
  .mobile-nav-group a { padding: 8px 4px; color: var(--muted); font-size: 13px; line-height: 1.35; }
  .mobile-nav-group .mobile-nav-all { grid-column: 1 / -1; color: var(--accent); font-weight: 700; }
  .mobile-contact { padding: 4px; color: var(--muted); text-align: center; font-size: 12px; }
  .seo-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .seo-footer-grid > div:last-child { display: flex !important; }
  .seo-footer-intro { grid-column: 1 / -1; }
}

.auth-body { --paper: var(--panel); --ink: var(--text); --accent: var(--coral); }
.auth-body > .nav-shell + .menu-backdrop + .callback-page { padding-top: 110px; }
.auth-body > .seo-footer { position: relative; z-index: 2; }
[data-theme="light"] .auth-body { --bg:#f5f7fb; --bg-soft:#edf1f7; --panel:#fff; --panel-2:#f2f5fa; --line:rgba(25,41,63,.12); --text:#111827; --muted:#657188; background:var(--bg); }

@media (max-width: 560px) {
  .mobile-nav-group > div { grid-template-columns: 1fr; }
  .seo-footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .seo-footer-intro { grid-column: auto; }
  .seo-footer-bottom { flex-direction: column; margin-top: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  .nav-panel, .nav-group-trigger svg, .mobile-nav-group summary svg { transition: none; }
}