/* ============================================
   Header / Navigation — Clean Redesign
   ============================================ */

/* ── Base Nav ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px) saturate(1.8);
  -webkit-backdrop-filter: blur(12px) saturate(1.8);
  border-bottom: 1px solid rgba(226, 232, 240, .5);
  z-index: var(--z-nav);
  transition: background var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow);
}
.nav.scrolled {
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 1px 3px rgba(30, 58, 138, .04), 0 4px 20px rgba(30, 58, 138, .03);
  border-bottom-color: transparent;
}

.nav-inner {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 4rem);
  display: flex; align-items: center;
  height: 100%; gap: .75rem;
}

/* ── Logo ── */
.nav-logo {
  display: flex; align-items: center;
  text-decoration: none; flex-shrink: 0;
}
.nav-logo img { height: 42px; width: auto; }

/* ── Nav Links (desktop) ── */
.nav-links {
  display: flex; align-items: center; gap: 0;
  margin: 0 auto; padding: 0; list-style: none;
}
.nav-links > li { position: relative; }
.nav-links > li > a,
.nav-links > li > button {
  display: flex; align-items: center; gap: .2rem;
  padding: .5rem .75rem;
  font-size: .85rem; font-weight: 500;
  color: var(--body); border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  font-family: var(--font-display);
  background: none; border: none; cursor: pointer;
  white-space: nowrap; letter-spacing: .01em;
}
.nav-links > li > a:hover,
.nav-links > li > button:hover,
.nav-links > li > a.active {
  color: var(--ink); background: var(--ice);
}

/* Active page indicator */
.nav-links > li > a.nav-active,
.nav-links > li > button.nav-active {
  color: var(--navy);
  font-weight: 600;
  position: relative;
}
.nav-links > li > a.nav-active::after,
.nav-links > li > button.nav-active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

/* Chevron */
.nav-links .chevron {
  width: 10px; height: 10px; flex-shrink: 0;
  transition: transform var(--transition);
}
.nav-links li:hover .chevron,
.nav-links li:focus-within .chevron { transform: rotate(180deg); }

/* ── Dropdown Menu (desktop) ── */
.nav-dropdown {
  position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 260px;
  background: rgba(255, 255, 255, .98);
  backdrop-filter: blur(16px) saturate(1.5);
  -webkit-backdrop-filter: blur(16px) saturate(1.5);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(30, 58, 138, .08), 0 2px 8px rgba(30, 58, 138, .04);
  border: 1px solid rgba(226, 232, 240, .5);
  padding: .5rem;
  opacity: 0; visibility: hidden;
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  pointer-events: none;
}
.nav-links li:hover > .nav-dropdown,
.nav-links li:focus-within > .nav-dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.nav-dropdown a {
  display: block; padding: .6rem .9rem; font-size: .84rem;
  color: var(--body); border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  text-decoration: none; line-height: 1.4;
}
.nav-dropdown a:hover {
  background: var(--ice); color: var(--ink);
}
.nav-dropdown .dropdown-desc {
  display: block; font-size: .7rem; color: var(--muted); margin-top: 2px;
  font-weight: 400;
}

/* ── Nav Right ── */
.nav-right {
  display: flex; align-items: center; gap: .5rem; flex-shrink: 0;
}

/* Search button */
.search-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: none; border: none; cursor: pointer;
  color: var(--body);
  transition: color var(--transition), background var(--transition);
}
.search-toggle:hover { color: var(--ink); background: var(--ice); }

/* ── Nav Buttons ── */
.btn-nav {
  padding: .45rem .9rem; font-size: .8rem; font-weight: 600;
  border-radius: var(--radius-sm); font-family: var(--font-display);
  transition: all var(--transition);
  text-decoration: none; white-space: nowrap;
  display: inline-flex; align-items: center;
  letter-spacing: .01em;
}

/* Ghost — text only, subtle */
.btn-nav-ghost {
  color: var(--body); background: none;
}
.btn-nav-ghost:hover { color: var(--ink); background: var(--ice); }

/* Outline — Adhérer */
.btn-nav-outline {
  color: var(--navy); background: var(--white);
  border: 1.5px solid #d0d0d0;
  padding: .5rem 1.1rem;
  border-radius: 50px;
}
.btn-nav-outline:hover {
  color: var(--navy); background: #f5f5f5;
  border-color: #b0b0b0;
}

/* CTA — Faire un don (pill accent) */
.btn-nav-cta {
  background: var(--color-accent); color: #ffffff;
  font-weight: 600; border: none;
  padding: .5rem 1.2rem;
  border-radius: 50px;
  box-shadow: 0 2px 8px rgba(45, 91, 215, .25);
}
.btn-nav-cta:hover {
  background: var(--color-accent-hover); color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(45, 91, 215, .35);
}

/* ── CTA Group (Adhérer + Don) ── */
.nav-cta-group {
  display: flex; align-items: center; gap: .5rem;
}

/* ── Language Toggle (Globe FR/EN) ── */
/* ── Language selector (desktop) ── */
.lang-selector {
  position: relative;
  flex-shrink: 0;
}
.lang-toggle {
  display: flex; align-items: center; gap: .35rem;
  padding: .4rem .6rem;
  background: none; border: 1.5px solid transparent;
  border-radius: var(--radius-sm, 8px);
  cursor: pointer;
  color: var(--body, #475569);
  font-family: var(--font-display, sans-serif);
  font-size: .82rem; font-weight: 600;
  transition: color .2s, background .2s;
  flex-shrink: 0;
}
.lang-toggle:hover {
  color: var(--ink, #1a1a2e);
  background: var(--ice, #f1f5f9);
}
.lang-toggle svg { flex-shrink: 0; }
.lang-chevron {
  transition: transform .2s;
}
.lang-selector.open .lang-chevron {
  transform: rotate(180deg);
}

/* Dropdown */
.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 150px;
  background: #fff;
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(30,58,138,.1);
  padding: .35rem 0;
  z-index: 999;
}
.lang-selector.open .lang-dropdown {
  display: block;
}
.lang-option {
  display: block; width: 100%;
  padding: .5rem 1rem;
  background: none; border: none;
  text-align: left;
  font-family: var(--font-display, sans-serif);
  font-size: .85rem; font-weight: 500;
  color: var(--body, #475569);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.lang-option:hover {
  background: var(--ice, #f1f5f9);
  color: var(--ink, #1a1a2e);
}
.lang-option--active {
  color: var(--navy, #1B2A4A);
  font-weight: 700;
  background: var(--ice, #f1f5f9);
}

/* ── Mobile translate section ── */
.mobile-translate-section {
  padding: .9rem 0;
  border-bottom: 1px solid var(--border);
}
.mobile-lang-title {
  font-family: var(--font-display, sans-serif);
  font-size: .75rem; font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted, #64748b);
  margin-bottom: .6rem;
}
.mobile-lang-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .4rem;
}
.mobile-lang-btn {
  padding: .55rem .6rem;
  background: var(--ice, #f1f5f9);
  border: 1.5px solid var(--border, #e2e8f0);
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-display, sans-serif);
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink, #1a1a2e);
  transition: background .15s, border-color .15s;
  text-align: center;
}
.mobile-lang-btn:hover {
  border-color: var(--navy, #1B2A4A);
}
.mobile-lang-btn--active {
  background: var(--navy, #1B2A4A);
  color: #fff;
  border-color: var(--navy, #1B2A4A);
}

/* ── Hamburger ── */
.nav-hamburger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 40px; height: 40px; padding: 8px;
  cursor: pointer; background: none; border: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  flex-shrink: 0;
}
.nav-hamburger:hover { background: var(--ice); }
.nav-hamburger span {
  display: block; height: 2px; width: 100%; background: var(--navy);
  border-radius: 2px;
  transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .2s ease;
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }


/* ==============================================
   MOBILE MENU
   ============================================== */
.mobile-menu {
  position: fixed; top: var(--nav-height); left: 0; right: 0; bottom: 0;
  background: var(--card-bg, #ffffff);
  z-index: 999;
  opacity: 0; visibility: hidden;
  transform: translateY(-10px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
  overflow: hidden;
}
.mobile-menu.open {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.mobile-menu-inner {
  height: 100%; overflow-y: auto; -webkit-overflow-scrolling: touch;
  padding: 1rem 1.5rem calc(env(safe-area-inset-bottom, 0px) + 1.5rem);
  display: flex; flex-direction: column;
}

/* Accordion sections */
.mobile-accordion {
  border-bottom: 1px solid var(--border);
}
.mobile-accordion-toggle {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: .9rem 0;
  font-size: .95rem; font-weight: 600; color: var(--ink);
  background: none; border: none; cursor: pointer;
  font-family: var(--font-display);
  min-height: 48px;
}
.accordion-chevron {
  width: 12px; height: 12px; flex-shrink: 0;
  color: var(--muted);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.mobile-accordion-toggle[aria-expanded="true"] .accordion-chevron {
  transform: rotate(180deg);
}

/* Accordion panel — animated height */
.mobile-accordion-panel {
  max-height: 0; overflow: hidden;
  transition: max-height .35s cubic-bezier(.4,0,.2,1), padding .35s ease;
  padding: 0 0 0 .75rem;
}
.mobile-accordion-panel.open {
  max-height: 500px;
  padding-bottom: .5rem;
}
.mobile-accordion-panel a {
  display: flex; align-items: center;
  padding: .7rem .75rem;
  font-size: .9rem; color: var(--body);
  text-decoration: none;
  border-radius: var(--radius-sm);
  min-height: 44px;
  transition: background var(--transition), color var(--transition);
}
.mobile-accordion-panel a:hover,
.mobile-accordion-panel a:active {
  background: var(--ice); color: var(--ink);
}

/* Direct links (Événements, Contact) */
.mobile-direct-link {
  display: flex; align-items: center;
  padding: .9rem 0;
  font-size: .95rem; font-weight: 600; color: var(--ink);
  text-decoration: none; border-bottom: 1px solid var(--border);
  min-height: 48px;
  font-family: var(--font-display);
  transition: color var(--transition);
}
.mobile-direct-link:hover { color: var(--sky); }

/* CTA zone at bottom — single set */
.mobile-menu .mobile-cta {
  margin-top: auto; padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.mobile-cta-buttons {
  display: grid; grid-template-columns: 1fr 1fr; gap: .75rem;
}
.mobile-cta-buttons a {
  text-align: center; padding: .75rem;
  border-radius: var(--radius-sm); font-weight: 600;
  font-size: .9rem; text-decoration: none;
  min-height: 48px;
  display: flex; align-items: center; justify-content: center;
}
/* mobile-cta-deduction removed */


/* ==============================================
   RESPONSIVE BREAKPOINTS
   ============================================== */

/* 1320px — Start compacting */
@media (max-width: 1320px) {
  .nav-links > li > a,
  .nav-links > li > button {
    padding: .45rem .5rem; font-size: .8rem;
  }
  .btn-nav { padding: .4rem .8rem; font-size: .76rem; }
  .btn-nav-ghost { display: none; }
  .nav-right { gap: .3rem; }
  .nav-dropdown .dropdown-desc { display: none; }
  .nav-dropdown { min-width: 200px; }
}

/* 1200px — Switch to hamburger */
@media (max-width: 1200px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  /* Hide CTA buttons but keep search + lang selector visible */
  .nav-right .btn-nav,
  .nav-right .nav-cta-group { display: none; }
  .nav-right { gap: .25rem; margin-right: .5rem; }
}

/* 640px — Tighter mobile */
@media (max-width: 640px) {
  .mobile-menu-inner { padding: .75rem 1.25rem calc(env(safe-area-inset-bottom, 0px) + 1.25rem); }
  .mobile-accordion-toggle { font-size: .9rem; }
  .mobile-accordion-panel a { font-size: .85rem; padding: .6rem .65rem; }
  .mobile-direct-link { font-size: .9rem; }
}

/* 380px — Tiny screens */
@media (max-width: 380px) {
  .nav-inner { padding: 0 .75rem; }
  .nav-logo img { height: 30px; }
  .mobile-menu-inner { padding: .5rem 1rem calc(env(safe-area-inset-bottom, 0px) + 1rem); }
  .mobile-cta-buttons { grid-template-columns: 1fr; }
}

/* Landscape phones */
@media (max-height: 500px) and (orientation: landscape) {
  .mobile-menu-inner { padding-top: .5rem; padding-bottom: .5rem; }
  .mobile-accordion-toggle { padding: .6rem 0; min-height: 40px; }
  .mobile-accordion-panel a { padding: .5rem .65rem; min-height: 38px; }
  .mobile-direct-link { padding: .6rem 0; min-height: 40px; }
  .mobile-cta { padding-top: .75rem; }
}


/* ==============================================
   FOCUS VISIBLE — Keyboard accessibility
   ============================================== */
.nav-dropdown a:focus-visible,
.search-toggle:focus-visible,
.btn-nav-ghost:focus-visible,
.btn-nav-outline:focus-visible,
.btn-nav-cta:focus-visible,
.lang-toggle:focus-visible,
.lang-option:focus-visible,
.nav-hamburger:focus-visible,
.mobile-lang-btn:focus-visible,
.mobile-accordion-toggle:focus-visible,
.mobile-accordion-panel a:focus-visible,
.mobile-direct-link:focus-visible {
  outline: 2px solid var(--sky, #4A90D9);
  outline-offset: 2px;
}
/* Match hover state for keyboard navigation */
.nav-dropdown a:focus-visible {
  background: var(--ice);
  color: var(--ink);
}
.mobile-accordion-panel a:focus-visible,
.mobile-direct-link:focus-visible {
  background: var(--ice, #f1f5f9);
}


/* ==============================================
   DARK MODE
   ============================================== */
@media (prefers-color-scheme: dark) {
  .nav {
    background: rgba(15, 23, 42, .92);
    border-bottom-color: rgba(51, 65, 85, .5);
  }
  .nav.scrolled {
    background: rgba(15, 23, 42, .97);
    border-bottom-color: transparent;
  }
  .nav-dropdown {
    background: rgba(30, 41, 59, .98);
    border-color: var(--border);
  }
  .nav-dropdown a:hover {
    background: rgba(51, 65, 85, .5);
  }
  .btn-nav-outline {
    border-color: rgba(226, 232, 240, .6);
    color: var(--text-dark);
  }
  .btn-nav-outline:hover {
    border-color: var(--sky);
    background: rgba(51, 65, 85, .4);
    color: var(--white);
  }
  .btn-nav-cta {
    background: var(--color-accent);
    color: #ffffff;
  }
  /* nav-cta-deduction removed */
  .mobile-menu { background: var(--bg-white); }
}