/* ═══════════════════════════════════════════════════
   Header — Sticky, Glassmorphism, Mobile Menu
   ═══════════════════════════════════════════════════ */

/* ─── Header Base ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

.header--transparent {
  background: transparent;
}

.header--scrolled {
  background: rgba(7, 26, 51, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.header__container {
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

/* ─── Logo ─── */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo-icon {
  width: 44px;
  height: 44px;
}

.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.header__logo-name {
  font-family: var(--ff-display);
  font-size: var(--fs-base);
  font-weight: var(--fw-bold);
  color: var(--clr-white);
  white-space: nowrap;
}

.header__logo-tagline {
  font-size: var(--fs-xs);
  color: var(--clr-gold);
  font-weight: var(--fw-medium);
}

/* ─── Navigation ─── */
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.header__nav-link {
  padding: var(--sp-2) var(--sp-3);
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-md);
  transition: all var(--tr-fast);
  white-space: nowrap;
  text-decoration: none;
}

.header__nav-link:hover,
.header__nav-link--active {
  color: var(--clr-white);
  background: rgba(255, 255, 255, 0.08);
}

.header__nav-link--active {
  color: var(--clr-gold);
}

/* ─── Header Actions ─── */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.header__btn-call {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: transparent;
  border: 1.5px solid rgba(212, 175, 55, 0.4);
  color: var(--clr-gold);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  transition: all var(--tr-fast);
  white-space: nowrap;
}

.header__btn-call svg {
  width: 16px;
  height: 16px;
}

.header__btn-call:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: var(--clr-gold);
}

.header__btn-wa {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-5);
  background: #25D366;
  color: var(--clr-white);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  transition: all var(--tr-fast);
  white-space: nowrap;
}

.header__btn-wa svg {
  width: 18px;
  height: 18px;
}

.header__btn-wa:hover {
  background: #20BD5A;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

/* ─── Mobile Menu Toggle ─── */
.header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  cursor: pointer;
  gap: 5px;
  padding: 8px;
  transition: background var(--tr-fast);
}

.header__burger:hover {
  background: rgba(255, 255, 255, 0.12);
}

.header__burger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--clr-white);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  transform-origin: center;
}

.header__burger.active .header__burger-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.header__burger.active .header__burger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header__burger.active .header__burger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ─── Mobile Menu ─── */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 16, 32, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: var(--z-menu);
  display: flex;
  flex-direction: column;
  padding: var(--sp-8) var(--container-padding);
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-out);
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-4);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--tr-fast);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
  color: var(--clr-gold);
  background: rgba(212, 175, 55, 0.06);
}

.mobile-menu__link svg {
  width: 20px;
  height: 20px;
  opacity: 0.6;
}

.mobile-menu__actions {
  margin-top: auto;
  padding-top: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.mobile-menu__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--radius-xl);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  text-align: center;
}

.mobile-menu__btn--call {
  background: var(--grad-gold);
  color: var(--clr-royal-dark);
}

.mobile-menu__btn--wa {
  background: #25D366;
  color: var(--clr-white);
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .header__nav {
    display: none;
  }
  .header__actions {
    display: none;
  }
  .header__burger {
    display: flex;
  }
}

@media (max-width: 480px) {
  .header__logo-name {
    font-size: var(--fs-sm);
  }
  .header__logo-tagline {
    display: none;
  }
  .header__logo-icon {
    width: 36px;
    height: 36px;
  }
}