/* ==================== HEADER — MOBILE-FIRST ==================== */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  padding: clamp(10px, 2vw, 20px);
  transition: padding 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.header.scrolled { padding: clamp(6px, 1vw, 10px) clamp(10px, 2vw, 20px); }

.header-container {
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(255,255,255,0.04);  
  border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-pill);
  padding: 8px 8px 8px clamp(16px, 3vw, 28px);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.header.scrolled .header-container {
  background: rgba(23,37,53,0.92); border-color: rgba(169,210,211,0.15);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}

.header-logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-img { height: clamp(24px, 3.5vw, 30px); width: auto; transition: transform 0.3s ease; }
.header-logo:hover .logo-img { transform: scale(1.06); }

/* Nav — hidden on mobile */
.header-nav { display: none; }

/* Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  margin-right: 8px;
}

.lang-link {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.2s ease;
}

.lang-link:hover {
  color: var(--color-white);
}

.lang-link.active {
  color: var(--color-white);
  pointer-events: none;
}

.lang-sep {
  color: rgba(255, 255, 255, 0.3);
  user-select: none;
}

.header.scrolled .lang-link {
  color: rgba(255, 255, 255, 0.6);
}

.header.scrolled .lang-link:hover {
  color: var(--color-white);
}

.header.scrolled .lang-link.active {
  color: var(--color-white);
}

.header.scrolled .lang-sep {
  color: rgba(255, 255, 255, 0.3);
}

.nav-list { display: flex; align-items: center; gap: clamp(20px, 3vw, 40px); }
.nav-link {
  position: relative; font-size: clamp(13px, 1.2vw, 15px); font-weight: 500;
  color: rgba(255,255,255,0.85); transition: color 0.25s ease;
  padding: 6px 0; display: flex; align-items: center; gap: 6px;
}
.nav-link--btn { background: none; border: none; cursor: pointer; font-family: inherit; }
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link::after {
  content: ''; position: absolute; bottom: -4px; left: 50%;
  width: 4px; height: 4px; background: var(--color-accent); border-radius: 40px;
  transform: translateX(-50%) scale(0); opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-link:hover::after { transform: translateX(-50%) scale(1); opacity: 1; }
.chevron-icon { transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
.has-dropdown.open .chevron-icon { transform: rotate(180deg); }

/* Actions */
.header-actions { display: flex; align-items: center; gap: 6px; }


@media (max-width: 768px) {
  .lang-switcher {
    margin-right: 4px;
    font-size: 13px;
  }
}
.header-phone { display: none; width: auto; padding: 0 16px; gap: 8px; height: 42px; border-radius: 40px;
  align-items: center; justify-content: center; font-size: 14px; font-weight: 600; text-decoration: none; color: var(--color-white);
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); transition: all 0.3s ease;
}
.header-phone:hover { background: rgba(169,210,211,0.15); border-color: rgba(169,210,211,0.4); }
.btn-header-cta {
  display: none; padding: clamp(10px,1.2vw,14px) clamp(18px,2vw,28px);
  font-size: clamp(13px,1.1vw,15px); font-weight: 500; font-family: inherit;
  background: var(--color-accent); color: var(--color-primary); border: none;
  border-radius: var(--radius-pill); cursor: pointer; transition: all 0.3s ease;
}
.btn-header-cta:hover { background: var(--color-white); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(169,210,211,0.4); }
.btn--sm { padding: 10px 20px !important; font-size: 13px !important; }

/* Burger — visible by default */
.burger-menu {
  display: flex; width: 44px; height: 44px; border-radius: 40px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer; flex-direction: column; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; text-decoration: none;
  gap: 5px; padding: 0; z-index: 1001; transition: background 0.3s ease; flex-shrink: 0;
}
.burger-menu:hover { background: rgba(255,255,255,0.15); }
.burger-menu span { display: block; width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.35s cubic-bezier(0.77,0,0.175,1); transform-origin: center; }
.burger-menu.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-menu.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger-menu.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Curtain — hidden on mobile */
.mega-curtain { display: none; }

/* ==================== MOBILE MENU ==================== */
.mobile-menu {
  position: fixed; inset: 0; z-index: 999;
  background: rgba(16,25,38,0.98);  
  overflow-y: auto; -webkit-overflow-scrolling: touch;
  opacity: 0; visibility: hidden; transition: all 0.5s cubic-bezier(0.77,0,0.175,1);
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu__inner {
  display: flex; flex-direction: column; min-height: 100%;
  padding: clamp(90px,15vw,120px) var(--container-pad) clamp(24px,5vw,40px);
}
.mobile-nav__list { display: flex; flex-direction: column; flex: 1; }
.mobile-nav__list > li > a, .mobile-nav__toggle {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
  padding: clamp(14px,3vw,20px) 0; font-size: clamp(22px,5vw,32px); font-weight: 500;
  color: var(--color-white); background: none; border: none;
  border-bottom: 1px solid rgba(255,255,255,0.06); font-family: inherit; cursor: pointer; text-align: left;
}
.mobile-nav__list > li > a:hover, .mobile-nav__toggle:hover { color: var(--color-accent); }
.mobile-nav__toggle .chevron-icon { transition: transform 0.35s ease; flex-shrink: 0; }
.mobile-nav__toggle[aria-expanded="true"] .chevron-icon { transform: rotate(180deg); }

.mobile-sub { display: none; flex-direction: column; padding: 8px 0 16px clamp(12px,3vw,20px); border-left: 2px solid rgba(169,210,211,0.2); margin-left: 4px; }
.mobile-sub.open { display: flex; animation: slideFade 0.35s ease forwards; }
@keyframes slideFade { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.mobile-sub a { padding: clamp(8px,2vw,12px) 0; font-size: clamp(16px,3.5vw,20px); color: rgba(255,255,255,0.7); transition: all 0.2s ease; }
.mobile-sub a:hover { color: var(--color-accent); padding-left: 8px; }
.mobile-sub__all { color: var(--color-accent) !important; font-weight: 500; margin-top: 4px; }

.mobile-menu__bottom { margin-top: auto; padding-top: clamp(20px,4vw,32px); display: flex; flex-direction: column; gap: clamp(12px,2vw,16px); border-top: 1px solid rgba(255,255,255,0.06); }
.mobile-menu__phone { font-size: clamp(20px,4.5vw,28px); font-weight: 500; color: var(--color-white); text-align: center; }
.mobile-menu__hours { font-size: var(--fs-small); color: rgba(255,255,255,0.4); text-align: center; }

/* ==================== TABLET (768px+) ==================== */
@media (min-width: 768px) { .header-phone { display: flex; } }

/* ==================== DESKTOP (992px+) ==================== */
@media (min-width: 992px) {
  .header-nav { display: flex; }
  .header-phone { display: flex; }
  .btn-header-cta { display: inline-flex; }
  .burger-menu { display: none; }

  .mega-curtain {
    display: block; position: absolute; top: 100%; left: 50%; width: calc(100% - 40px); max-width: var(--container-max);
    background: rgba(16, 25, 38, 1);  
    background: #101926;  
    border: 1px solid rgba(255,255,255,0.1); border-radius: 24px; box-shadow: 0 30px 60px rgba(0,0,0,0.45);
    padding: clamp(32px,4vw,48px) 0 clamp(36px,5vw,56px);
    opacity: 0; visibility: hidden; transform: translate(-50%, -12px);
    transition: opacity 0.45s cubic-bezier(0.16,1,0.3,1), visibility 0.45s, transform 0.45s cubic-bezier(0.16,1,0.3,1);
    pointer-events: none;
  }
  .mega-curtain.open { opacity: 1; visibility: visible; transform: translate(-50%, 8px); pointer-events: auto; }
  .nav-item.has-dropdown > .nav-link { pointer-events: auto; }

/* ==================== MEGA-CURTAIN BACKDROP ==================== */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(16, 25, 38, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 998; /* Just below header */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s;
  pointer-events: none;
}
body.curtain-open::after {
  opacity: 1;
  visibility: visible;
}

  .curtain-inner { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 0 clamp(32px,5vw,64px); }
  .curtain-label { font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.35); text-transform: uppercase; letter-spacing: 2px; margin-bottom: clamp(16px,2vw,28px); }
  .curtain-links { display: flex; flex-direction: column; }
  .curtain-links a { display: block; padding: clamp(8px,1vw,12px) 0; color: rgba(255,255,255,0.8); font-size: clamp(15px,1.3vw,17px); font-weight: 500; border-bottom: 1px solid rgba(255,255,255,0.04); transition: all 0.25s ease; position: relative; }
  .curtain-links li:last-child a { border-bottom: none; }
  .curtain-links a:hover { color: var(--color-accent); padding-left: 12px; }
  .curtain-links a::before { content: ''; position: absolute; left: 0; top: 50%; width: 0; height: 1px; background: var(--color-accent); transform: translateY(-50%); transition: width 0.3s ease; }
  .curtain-links a:hover::before { width: 6px; }

  .curtain-col--all { grid-column: 1/3; padding-top: clamp(16px,2vw,28px); margin-top: 8px; border-top: 1px solid rgba(255,255,255,0.06); }
  .all-services-link { display: inline-flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.5); font-size: var(--fs-small); font-weight: 500; transition: all 0.3s ease; }
  .all-services-link:hover { color: var(--color-accent); gap: 12px; }

  }