/**
 * SABO HUB — Shared landing nav (flagship + vertical pages)
 * Layout: logo left · pill links center · CTA right
 */

header.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  isolation: isolate;
}

.nav-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 24px);
  min-height: 80px;
  padding: 14px clamp(20px, 3vw, 30px);
  max-width: 1280px;
  margin: 0 auto;
}

/* Equal flex on outer columns → visually centered nav group */
.nav-brand,
.nav-actions {
  flex: 1 1 0;
  min-width: 0;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* Brand block — flagship (.logo) + vertical (.brand-wrap) */
.logo,
.brand-wrap.nav-brand,
a.nav-brand.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-wrap.nav-brand,
a.nav-brand.brand-wrap {
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.brand-wrap .brand,
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo .logo-mark,
.brand .logo-mark {
  width: 52px;
  height: 52px;
  flex: none;
  border-radius: 12px;
  box-shadow: 0 8px 24px -8px rgba(79, 70, 229, 0.45);
  object-fit: contain;
}

.crumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.2;
  opacity: 0.9;
}

.crumb:hover {
  text-decoration: underline;
}

/* Pill nav links */
.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 6px;
  flex: 0 0 auto;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  white-space: nowrap;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
  -webkit-backdrop-filter: var(--glass-frost, blur(40px) saturate(180%));
  backdrop-filter: var(--glass-frost, blur(40px) saturate(180%));
}

.nav-pill .nav-icon {
  width: 16px;
  height: 16px;
  flex: none;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.88;
}

.nav-pill:hover,
.nav-pill:focus-visible {
  color: var(--ink);
  background: var(--glass-light, rgba(255, 255, 255, 0.52));
  border-color: var(--glass-border-light, rgba(255, 255, 255, 0.65));
  box-shadow: var(--glass-light-shadow, 0 8px 32px rgba(15, 23, 42, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.75));
}

/* Primary CTA — distinct from pills; supports flagship + vertical accent tokens */
.nav-cta,
header.nav > .cta,
header.nav .nav-actions > .cta {
  background: var(--glass-primary, var(--glass-teal, var(--glass-magenta, var(--glass-orange, rgba(79, 70, 229, 0.22)))));
  color: var(--glass-primary-ink, var(--glass-teal-ink, var(--glass-magenta-ink, var(--glass-orange-ink, #1e1b4b))));
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--glass-primary-border, var(--glass-teal-border, var(--glass-magenta-border, var(--glass-orange-border, rgba(255, 255, 255, 0.45)))));
  -webkit-backdrop-filter: var(--glass-frost, blur(40px) saturate(180%));
  backdrop-filter: var(--glass-frost, blur(40px) saturate(180%));
  box-shadow: var(--glass-primary-shadow, var(--glass-teal-shadow, var(--glass-magenta-shadow, var(--glass-orange-shadow, 0 8px 32px rgba(15, 23, 42, 0.12)))));
  isolation: isolate;
  white-space: nowrap;
  transition:
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.nav-cta .nav-icon,
header.nav .nav-actions > .cta .nav-icon {
  width: 16px;
  height: 16px;
  flex: none;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.88;
}

.nav-cta:hover,
header.nav > .cta:hover,
header.nav .nav-actions > .cta:hover {
  background: var(--glass-primary-hover, var(--glass-teal-hover, var(--glass-magenta-hover, var(--glass-orange-hover, rgba(79, 70, 229, 0.32)))));
  border-color: var(--glass-light-border-hover, var(--glass-border-hover, rgba(255, 255, 255, 0.75)));
  box-shadow: 0 10px 36px rgba(15, 23, 42, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

/* Mobile menu */
.menu-btn {
  display: none;
  background: var(--glass-light, rgba(255, 255, 255, 0.52));
  border: 1px solid var(--glass-border-light, rgba(255, 255, 255, 0.65));
  border-radius: 14px;
  padding: 9px 11px;
  color: var(--ink);
  cursor: pointer;
  line-height: 0;
  min-width: 44px;
  min-height: 44px;
  -webkit-backdrop-filter: var(--glass-frost, blur(40px) saturate(180%));
  backdrop-filter: var(--glass-frost, blur(40px) saturate(180%));
  box-shadow: var(--glass-light-shadow, 0 8px 32px rgba(15, 23, 42, 0.1));
  isolation: isolate;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.menu-btn:hover {
  background: var(--glass-light-hover, rgba(255, 255, 255, 0.65));
  border-color: var(--glass-light-border-hover, rgba(255, 255, 255, 0.75));
}

.menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  margin: 3px 0;
  border-radius: 1px;
  transition: transform 0.25s;
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--bg, #eaeef6) 96%, transparent);
  backdrop-filter: blur(14px);
  padding: 104px 30px 36px;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  padding: 14px 0;
  border-bottom: 1px solid var(--line, rgba(16, 24, 48, 0.1));
}

.mobile-nav a .nav-icon {
  width: 20px;
  height: 20px;
  flex: none;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.75;
}

.mobile-nav a.m-cta {
  justify-content: center;
  margin-top: 16px;
  background: var(--glass-primary, var(--glass-teal, rgba(79, 70, 229, 0.22)));
  color: var(--glass-primary-ink, var(--glass-teal-ink, #1e1b4b));
  padding: 14px 24px;
  border-radius: 999px;
  text-align: center;
  border: 1px solid var(--glass-primary-border, var(--glass-teal-border, rgba(255, 255, 255, 0.45)));
  -webkit-backdrop-filter: var(--glass-frost, blur(40px) saturate(180%));
  backdrop-filter: var(--glass-frost, blur(40px) saturate(180%));
  box-shadow: var(--glass-primary-shadow, var(--glass-teal-shadow, 0 8px 32px rgba(15, 23, 42, 0.12));
}

.mobile-nav a.m-cta:hover {
  background: var(--glass-primary-hover, var(--glass-teal-hover, rgba(79, 70, 229, 0.32));
}

a:focus-visible,
button:focus-visible,
.nav-cta:focus-visible,
.nav-pill:focus-visible,
.menu-btn:focus-visible {
  outline: 2px solid var(--accent, var(--indigo, #4f46e5));
  outline-offset: 3px;
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
  }

  .menu-btn {
    display: block;
  }

  .nav-in {
    min-height: 72px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .logo .logo-mark,
  .brand .logo-mark {
    width: 44px;
    height: 44px;
    border-radius: 11px;
  }

  .logo .brand-wordmark,
  .brand .wordmark {
    font-size: clamp(22px, 5vw, 26px);
  }

  .brand-wrap.nav-brand,
  a.nav-brand.brand-wrap {
    gap: 4px;
  }

  .crumb {
    font-size: 10px;
  }
}

@media (max-width: 480px) {
  .nav-cta,
  header.nav .nav-actions > .cta {
    padding: 10px 16px;
    font-size: 12.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-cta:hover,
  header.nav > .cta:hover,
  .nav-pill:hover {
    transform: none;
  }
}

/* Skip link — visible on keyboard focus only */
.skip-link {
  position: fixed;
  top: -120%;
  left: 50%;
  z-index: 200;
  transform: translateX(-50%);
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  background: #050810;
  color: #fff;
  font-family: system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.2);
}

.skip-link:focus {
  top: 0.75rem;
  outline: 2px solid #4f46e5;
  outline-offset: 3px;
}