/* ===== Variables ===== */
:root {
  --nav-h: 84px;
  --nav-pad-x: 18px;
  --nav-blue-1: #002b40;
  --nav-blue-2: #013d5b;
  --nav-blue-3: #013d5b;
  --nav-yellow: #ffd84d;
  --nav-yellow-2: #efc21f;
  --nav-clip: polygon(0 0, 100% 0, 100% 100%, 94% 100%, 90.5% 75%, 50% 75%, 9.5% 75%, 6% 100%, 0 100%);
  --nav-white: #ffffff;
  --nav-dark: #11202d;
  --nav-shadow: 0 18px 40px rgba(0, 36, 55, 0.22);
  --nav-glass: rgba(255, 255, 255, 0.14);
  --nav-glass-border: rgba(255, 255, 255, 0.22);
}

/* ===== Structure ===== */
.navbar {
  position: relative;
  width: 100%;
  height: var(--nav-h);
  z-index: 1200;
}

.navbar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, var(--nav-yellow), var(--nav-yellow-2));
  clip-path: var(--nav-clip);
  transform: translateY(4px);
}

.navbar-base {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #e1e1e1;
}

.navbar-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.1), transparent 24%),
    linear-gradient(180deg, var(--nav-blue-1), var(--nav-blue-2) 56%, var(--nav-blue-3));
  clip-path: var(--nav-clip);
  box-shadow: var(--nav-shadow);
}

.navbar-inner {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 var(--nav-pad-x);
  color: var(--nav-white);
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
}

.nav-left {
  justify-content: flex-start;
}

.nav-right {
  justify-content: flex-end;
}

.nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 0;
  margin-bottom: 0;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 18px;
  transform: translateY(-4px);
}

/* ===== Brand / Center ===== */
.brand {
  display: inline-flex;
  align-items: center;
}

.brand img {
  display: block;
  width: auto;
  height: 80px;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.14));
}

.tournament-copy {
  min-width: 0;
}

.tournament-logo {
  display: block;
  width: auto;
  height: 44px;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.12));
}

.tournament-title {
  margin: 0;
  color: var(--nav-white);
  font-size: clamp(16px, 2.15vw, 24px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.01em;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.16);
  white-space: nowrap;
}

/* ===== Burger ===== */
.navbar .menu-icon {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.navbar .menu-icon:hover {
  transform: translateY(-1px);
  background: transparent;
}

.navbar .menu-icon-bar {
  display: block;
  width: 28px;
  height: 3px;
  min-width: 28px;
  min-height: 3px;
  border-radius: 999px;
  background: var(--nav-white);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
  flex: 0 0 auto;
}

.sr-only,
.menu-toggle-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

/* ===== Menu ===== */
.navbar > .menu {
  position: absolute;
  top: calc(var(--nav-h) - 6px);
  right: 12px;
  min-width: 250px;
  padding: 10px;
  border: 1px solid rgba(1, 61, 91, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow:
    0 22px 44px rgba(0, 27, 41, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px) scale(0.98);
  transform-origin: top right;
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
  z-index: 5000;
}

.navbar > .menu::before {
  content: "";
  position: absolute;
  top: -10px;
  right: 22px;
  width: 18px;
  height: 18px;
  border-top: 1px solid rgba(1, 61, 91, 0.08);
  border-left: 1px solid rgba(1, 61, 91, 0.08);
  background: rgba(255, 255, 255, 0.96);
  transform: rotate(45deg);
}

.navbar > .menu ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.navbar > .menu li + li {
  margin-top: 4px;
}

.navbar > .menu a {
  display: block;
  margin: 0 6px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--nav-dark);
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.navbar > .menu a:hover {
  background: rgba(1, 61, 91, 0.06);
  color: var(--nav-blue-2);
  transform: translateX(2px);
}

#menu-toggle:checked ~ .menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

/* ===== Share ===== */
.btn-share {
  display: block;
  width: calc(100% - 20px);
  margin: 12px auto 4px;
  padding: 11px 18px;
  border: 1px solid rgba(1, 61, 91, 0.14);
  border-radius: 14px;
  background: linear-gradient(180deg, #ffffff, #f4f7fa);
  color: var(--nav-blue-2);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.btn-share:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, #ffffff, #eef3f7);
  box-shadow: 0 8px 18px rgba(1, 61, 91, 0.12);
}

.btn-share:active {
  transform: translateY(0);
}

/* ===== Mobile ===== */
@media (max-width: 520px) {
  :root {
    --nav-h: 70px;
    --nav-pad-x: 0;
    --nav-clip: polygon(0 0, 100% 0, 100% 100%, 86% 100%, 80% 80%, 50% 80%, 20% 80%, 14% 100%, 0 100%);
  }

  .navbar-base {
    inset: 0;
  }

  .navbar-inner {
    grid-template-columns: auto 1fr auto;
    padding: 0;
  }

  .nav-center {
    gap: 8px;
    margin-bottom: 0;
    padding: 4px 8px;
    transform: translateY(-2px);
  }

  .brand img {
    height: 58px;
    margin-left: 8px;
    margin-bottom: 0;
  }

  .tournament-title {
    font-size: clamp(10px, 3.4vw, 17px);
  }

  .tournament-logo {
    height: 36px;
  }

  .navbar .menu-icon {
    width: 40px;
    height: 40px;
    gap: 5px;
    margin-right: 8px;
    margin-bottom: 0;
  }

  .navbar .menu-icon-bar {
    width: 22px;
    min-width: 22px;
  }

  .navbar > .menu {
    top: calc(var(--nav-h) - 2px);
    right: 8px;
    left: auto;
    min-width: 0;
    transform-origin: top right;
  }

  .navbar > .menu a {
    text-align: center;
  }
}

/* ===== Tablette / Desktop moyen ===== */
@media (min-width: 521px) and (max-width: 1400px) {
  :root {
    --nav-h: 60px;
  }

  .brand img {
    height: 50px;
  }

  .tournament-logo {
    height: 36px;
  }

  .tournament-title {
    font-size: clamp(14px, 2.4vw, 20px);
  }

  .nav-center {
    margin-bottom: 0;
    padding: 4px 10px;
    transform: translateY(-2px);
  }

  .navbar .menu-icon {
    width: 38px;
    height: 38px;
    gap: 5px;
  }

  .navbar .menu-icon-bar {
    width: 20px;
    min-width: 20px;
  }

  .navbar > .menu {
    top: calc(var(--nav-h) + 4px);
  }
}