/* ===== Header / Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 14px 0;
  padding-top: calc(14px + env(safe-area-inset-top, 0px));
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 45px;
  width: auto;
}

/* Navigation */
.header__nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__nav-list {
  display: flex;
  gap: 28px;
}

.header__nav-link {
  font-size: 16px;
  font-weight: var(--fw-medium);
  color: var(--color-black);
  transition: color var(--transition);
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-red);
  transition: width var(--transition);
}

.header__nav-link:hover {
  color: var(--color-red);
}

.header__nav-link:hover::after {
  width: 100%;
}

/* Language Switcher */
.header__lang {
  position: relative;
}

.header__lang-toggle {
  font-size: 16px;
  font-weight: var(--fw-regular);
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-black);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0;
}

.header__lang-toggle svg {
  width: 10px;
  height: 10px;
  transition: transform var(--transition);
}

.header__lang.open .header__lang-toggle svg {
  transform: rotate(180deg);
}

.header__lang-list {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  list-style: none;
  margin: 0;
  padding: 8px 0;
  min-width: 80px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 100;
}

.header__lang.open .header__lang-list {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.header__lang-item {
  display: block;
  width: 100%;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: var(--fw-regular);
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-black);
  text-align: center;
  transition: background 0.15s ease, color 0.15s ease;
}

.header__lang-item:hover {
  background: var(--color-gray-bg);
}

.header__lang-item.active {
  font-weight: var(--fw-bold);
  color: var(--color-red);
}

/* Donate Button in Header */
.header__btn {
  padding: 10px 20px;
  font-size: 16px;
  min-width: 140px;
  text-align: center;
}

/* Mobile Menu Toggle */
.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.header__burger span {
  width: 24px;
  height: 2px;
  background: var(--color-black);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* === Responsive === */
@media (max-width: 1200px) {
  .header__nav-list {
    display: none;
  }
}
@media (min-width: 993px) {
  .header__nav {
    gap: 32px;
  }
}

@media (max-width: 992px) {
  .header__nav-list {
    display: none;
  }

  .header__burger {
    /* display: flex; */
  }

  /* Mobile Nav Overlay */
  .header__nav-list.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    padding: 32px 20px;
    gap: 24px;
    z-index: 99;
  }

  .header__nav-list.active .header__nav-link {
    font-size: 20px;
  }
}

@media (max-width: 576px) {
  .header__logo img {
    height: 36px;
  }

  .header__btn {
    padding: 8px 16px;
    font-size: 14px;
  }
}