:root {
  --black: #0e0e11;
  --white: #ffffff;
  --bg-light: #f6f6f6;
  --glass-bg: rgba(255, 255, 255, 0.5);
  --glass-blur: blur(8px);
  --radius-sm: 10px;
  --radius-md: 12px;
  --radius-full: 50px;
  --px-mobile: 40px;
  --px-desktop: 220px;
}

@media (min-width: 1024px) {
  :root {
    --px-desktop: max(80px, calc((100vw - 1400px) / 2));
  }
}

.w-nav-no-switcher .w-nav-switcher,
.w-nav-no-switcher .w-nav-switcher-mobile { display: none !important; }

.w-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  flex-shrink: 0;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  padding: 24px var(--px-mobile);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 1024px) {
  .w-nav { padding: 24px max(80px, calc((100vw - 1400px) / 2)); }
}

.w-nav-logo {
  box-sizing: border-box;
  display: block;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  align-self: center;
  width: 60px;
  min-width: 60px;
  max-width: 60px;
  height: 40px;
}

.w-nav-logo::before {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  background-image: url('../img/common/logo/wellysa_logo_mobile.png');
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
}

@media (min-width: 1024px) {
  .w-nav-logo {
    width: 179px;
    min-width: 179px;
    max-width: 179px;
    height: 52px;
  }
  .w-nav-logo::before {
    background-image: url('../img/common/logo/wellysa_logo.png');
  }
}

.w-nav-switcher { display: none; }

@media (min-width: 1024px) {
  .w-nav-switcher {
    display: flex;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-full);
    padding: 4px;
    border: 1px solid rgba(14, 14, 17, 0.1);
  }
}

.w-nav-switch {
  height: 40px;
  width: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  padding: 10px 16px;
  font-weight: var(--fw-medium);
  font-size: 16px;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--black);
}

.w-nav-switch.active {
  background: var(--black);
  color: var(--white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.w-nav-switch:not(.active) {
  background: transparent;
  color: var(--black);
}

.w-nav-switcher-mobile { position: relative; display: block; }

@media (min-width: 1024px) {
  .w-nav-switcher-mobile { display: none; }
}

.w-nav-switch-btn {
  background: var(--black);
  color: var(--white);
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  width: 160px;
  padding: 12px 16px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  font-weight: var(--fw-medium);
  font-size: 16px;
}

.w-nav-switch-dropdown {
  display: none;
  position: absolute;
  top: 52px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  min-width: 160px;
  z-index: 50;
}

.w-nav-switch-dropdown.open { display: block; }

.w-nav-switch-dropdown a {
  display: block;
  padding: 12px 16px;
  font-weight: var(--fw-medium);
  font-size: 16px;
  color: var(--black);
  transition: background 0.2s;
}

.w-nav-switch-dropdown a:hover,
.w-nav-switch-dropdown a.active { background: var(--bg-light); }

.w-nav-right { display: flex; gap: 16px; align-items: center; }

.w-nav-link-home { display: none; }

@media (min-width: 1024px) {
  .w-nav-link-home {
    display: flex;
    height: 44px;
    align-items: center;
    padding: 12px;
    font-weight: var(--fw-semibold);
    font-size: 16px;
    color: var(--black);
  }
}

.w-nav-lang { display: none; }

@media (min-width: 1024px) {
  .w-nav-lang {
    display: flex;
    height: 44px;
    align-items: center;
    padding: 12px;
    font-weight: var(--fw-semibold);
    font-size: 16px;
  }
  .w-nav-lang a.active       { color: var(--black); }
  .w-nav-lang a:not(.active) { color: rgba(14, 14, 17, 0.4); }
}

.w-nav-lang-mobile {
  display: flex;
  height: 44px;
  align-items: center;
  justify-content: flex-end;
  padding: 12px;
  font-weight: var(--fw-semibold);
  font-size: 16px;
  white-space: nowrap;
}

.w-nav-lang-mobile a {
  display: inline;
  height: auto;
  padding: 0;
  color: var(--black);
  transition: opacity 0.3s;
}

.w-nav-lang-mobile a.active       { color: var(--black); }
.w-nav-lang-mobile a:not(.active) { color: rgba(14, 14, 17, 0.4); }
.w-nav-lang-mobile span           { color: var(--black); }

.w-nav-hamburger {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid rgba(14, 14, 17, 0.2);
  cursor: pointer;
  transition: all 0.3s;
}

.w-nav-hamburger:hover {
  background: rgba(14, 14, 17, 0.08);
}

.w-nav-hamburger.active {
  background: var(--black);
  border-color: var(--black);
}

.w-nav-hamburger.active img { filter: brightness(0) invert(1); }

.w-nav-expanded {
  position: fixed;
  left: 0;
  width: 100%;
  z-index: 40;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  display: none;
  top: 92px;
  padding: 8px var(--px-mobile) 20px;
  flex-direction: column;
  align-items: flex-end;
}

.w-nav-expanded.open { display: flex; }

@media (min-width: 1024px) {
  .w-nav-expanded {
    top: 100px;
    padding: 8px max(80px, calc((100vw - 1400px) / 2));
    flex-direction: row;
    justify-content: flex-end;
  }
  .w-nav-expanded.open { display: flex; }
}

.w-nav-expanded-desktop { display: none; }

@media (min-width: 1024px) {
  .w-nav-expanded-desktop { display: flex; gap: 16px; align-items: center; }
  .w-nav-expanded-desktop a {
    height: 44px;
    display: flex;
    align-items: center;
    padding: 12px;
    font-weight: var(--fw-semibold);
    font-size: 16px;
    color: var(--black);
    white-space: nowrap;
  }
  .w-nav-expanded-desktop a:hover { opacity: 0.7; }
}

.w-nav-expanded-mobile {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-end;
  width: 100%;
}

.w-nav-expanded-mobile a {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 12px;
  font-weight: var(--fw-semibold);
  font-size: 16px;
  color: var(--black);
  white-space: nowrap;
}

.w-nav-expanded-mobile a:hover { opacity: 0.7; }

@media (min-width: 1024px) {
  .w-nav-expanded-mobile { display: none; }
}