/* ============================================
   NAV — sticky, container-bound, hover underline
   ============================================ */

/* UWAGA: na .nav NIE używamy backdrop-filter ani transform — tworzą
   containing block dla fixed descendants i psują mobile drawer. */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-court-deep);
  border-bottom: 1px solid rgba(241, 236, 219, 0.08);
  transition: background-color var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.nav--scrolled {
  background-color: var(--color-court-deep-dark);
  border-bottom-color: rgba(241, 236, 219, 0.12);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.nav__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* ── Logo ─────────────────────────────────── */

.nav__logo {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-cream);
  text-decoration: none;
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
}

.nav__logo-dot {
  color: var(--color-ball-yellow);
}

/* ── Hamburger (mobile only) ──────────────── */

.nav__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(241, 236, 219, 0.18);
  border-radius: var(--radius-full);
  cursor: pointer;
  margin-left: auto;
  z-index: calc(var(--z-sticky) + 2);
  transition: border-color var(--transition-fast);
}

.nav__toggle:hover { border-color: var(--color-ball-yellow); }

.nav__toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background-color: var(--color-cream);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base), background-color var(--transition-base);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar { background-color: var(--color-ball-yellow); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 1024px) {
  .nav__toggle { display: none; }
}

/* ── Menu (desktop horizontal / mobile drawer) ─ */

.nav__menu {
  display: none;
  align-items: center;
  gap: var(--space-2);
}

@media (min-width: 1024px) {
  .nav__menu {
    display: flex;
    flex: 1;
    justify-content: flex-end;
    gap: var(--space-3);
  }
}

@media (max-width: 1023px) {
  .nav__menu {
    display: flex;
    visibility: hidden;
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    height: 100dvh;
    width: min(360px, 88vw);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: var(--space-2);
    padding: calc(72px + var(--space-6)) var(--space-6) var(--space-8);
    overflow-y: auto;
    background-color: var(--color-court-deep-dark);
    border-left: 1px solid rgba(241, 236, 219, 0.10);
    box-shadow: -16px 0 40px rgba(0, 0, 0, 0.45);
    transform: translateX(100%);
    transition: transform var(--transition-base), visibility 0s linear var(--transition-base);
    z-index: calc(var(--z-sticky) - 1);
  }

  .nav__menu--open {
    visibility: visible;
    transform: translateX(0);
    transition: transform var(--transition-base), visibility 0s;
  }
}

/* Backdrop pod drawer (klikalny zamykacz) */
.nav__backdrop {
  display: none;
}

@media (max-width: 1023px) {
  .nav__backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background-color: rgba(11, 19, 48, 0.65);
    opacity: 0;
    visibility: hidden;
    z-index: calc(var(--z-sticky) - 2);
    transition: opacity var(--transition-base), visibility 0s linear var(--transition-base);
    cursor: pointer;
  }

  .nav__backdrop--visible {
    opacity: 1;
    visibility: visible;
    transition: opacity var(--transition-base), visibility 0s;
  }
}

/* ── Lista linków ─────────────────────────── */

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

@media (min-width: 1024px) {
  .nav__list { gap: var(--space-2); }
}

@media (max-width: 1023px) {
  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border-top: 1px solid rgba(241, 236, 219, 0.08);
    margin-bottom: var(--space-4);
  }
}

.nav__item {
  display: block;
}

@media (max-width: 1023px) {
  .nav__item { border-bottom: 1px solid rgba(241, 236, 219, 0.08); }
}

/* ── Link (pill-style, hover yellow underline) ─ */

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 var(--space-4);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(241, 236, 219, 0.78);
  text-decoration: none;
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.nav__link-text {
  position: relative;
  display: inline-block;
}

.nav__link-text::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background-color: var(--color-ball-yellow);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-cream);
}

.nav__link:hover .nav__link-text::after,
.nav__link:focus-visible .nav__link-text::after {
  transform: scaleX(1);
}

@media (max-width: 1023px) {
  .nav__link {
    height: auto;
    padding: var(--space-4) 0;
    font-size: 15px;
    letter-spacing: 0.2em;
    border-radius: 0;
    color: var(--color-cream);
  }
  .nav__link-text::after { display: none; }
  .nav__link:hover { color: var(--color-ball-yellow); background-color: transparent; }
}

/* ── CTA ──────────────────────────────────── */

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  height: 40px;
  padding: 0 var(--space-5);
  margin-left: var(--space-3);
  background-color: var(--color-ball-yellow);
  color: var(--color-ink);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 8px 24px -8px rgba(216, 242, 107, 0.65);
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
}

.nav__cta:hover,
.nav__cta:focus-visible {
  background-color: var(--color-ball-yellow-soft);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -8px rgba(216, 242, 107, 0.75);
}

.nav__cta-arrow {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.nav__cta:hover .nav__cta-arrow { transform: translateX(3px); }

@media (max-width: 1023px) {
  .nav__cta {
    margin-left: 0;
    margin-top: var(--space-4);
    height: 52px;
    justify-content: center;
    width: 100%;
    font-size: 13px;
    letter-spacing: 0.2em;
  }
}

/* ── Logout (logged-in tylko) ─────────────── */

.nav__logout { display: inline-flex; }

.nav__logout-btn {
  height: 40px;
  padding: 0 var(--space-4);
  background: transparent;
  border: 1px solid rgba(241, 236, 219, 0.20);
  color: var(--color-cream);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.nav__logout-btn:hover {
  border-color: var(--color-ball-yellow);
  color: var(--color-ball-yellow);
}

@media (max-width: 1023px) {
  .nav__logout { width: 100%; margin-top: var(--space-2); }
  .nav__logout-btn { width: 100%; height: 48px; }
}

/* ── Spacer pod fixed nav ─────────────────── */

body { padding-top: 72px; }

:root { --nav-height: 72px; }