/* =============================================
   HEADER / NAVIGATION STYLES — AL ASMAR SCHILDERWERK
============================================= */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-charcoal);
  border-bottom: 1px solid rgba(214, 168, 75, 0.12);
  transition: box-shadow var(--transition-medium), background-color var(--transition-medium);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  background-color: rgba(13, 13, 13, 0.97);
  backdrop-filter: blur(8px);
}

/* ---------- DESKTOP: fixed nav once scrolled past the hero ---------- */
@media (min-width: 1200px) {
  /* The header sits in normal flow above the hero until the user
     scrolls past the hero section, at which point JS adds .is-fixed
     so it becomes a true fixed navbar pinned to the top. */
  .site-header {
    position: relative;
  }

  .site-header.is-fixed {
    position: fixed;
    top: 0;
    left: 0;
    animation: headerSlideDown 0.35s ease;
  }
}

@keyframes headerSlideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header.is-fixed {
    animation: none;
  }
}

.site-header__inner {
  height: var(--navbar-height-mobile);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* ---------- BRAND / LOGO ---------- */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand__logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  color: var(--color-gold);
  letter-spacing: 0.5px;
}

.brand__sub {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 10px;
  color: var(--color-offwhite);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ---------- DESKTOP NAV (hidden on mobile) ---------- */
.nav-desktop {
  display: none;
}

.nav-desktop__list {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.6vw, 28px);
}

.nav-link {
  position: relative;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-offwhite);
  padding: 6px 2px;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background-color: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-gold-light);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link.is-active {
  color: var(--color-gold);
}

.nav-link.is-active::after {
  transform: scaleX(1);
}

/* ---------- PHONE BUTTON (desktop) ---------- */
.phone-btn {
  display: none;
  align-items: center;
  gap: 8px;
  background-color: var(--color-gold);
  color: var(--color-charcoal);
  font-weight: 600;
  font-size: 14px;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.phone-btn:hover {
  background-color: var(--color-gold-light);
  transform: translateY(-2px);
}

.phone-btn__icon {
  flex-shrink: 0;
}

/* ---------- MOBILE ACTIONS ---------- */
.mobile-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.phone-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border-gold);
  transition: background-color var(--transition-fast);
}

.phone-icon-btn:hover {
  background-color: rgba(214, 168, 75, 0.1);
}

/* ---------- HAMBURGER ---------- */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
}

.hamburger__line {
  width: 24px;
  height: 2px;
  background-color: var(--color-gold);
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.hamburger.is-open .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- MOBILE SLIDE-IN MENU ---------- */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(85vw, 380px);
  background-color: var(--color-surface);
  border-left: 1px solid var(--color-border-gold);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--navbar-height-mobile) + 20px) 28px 40px;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

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

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.mobile-menu__link {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-offwhite);
  transition: color var(--transition-fast);
}

.mobile-menu__link.is-active,
.mobile-menu__link:hover {
  color: var(--color-gold);
}

.mobile-menu__cta {
  display: block;
  text-align: center;
  background-color: var(--color-gold);
  color: var(--color-charcoal);
  font-weight: 600;
  font-size: 15px;
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-top: 30px;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.mobile-menu__cta:hover {
  background-color: var(--color-gold-light);
  transform: translateY(-2px);
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.55);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.mobile-menu-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* =============================================
   TABLET (768px – 1199px)
============================================= */
@media (min-width: 768px) {
  .brand__logo {
    width: 60px;
    height: 60px;
  }

  .brand__name {
    font-size: 21px;
  }
}

/* =============================================
   DESKTOP (1200px and above)
============================================= */
@media (min-width: 1200px) {
  .site-header__inner {
    height: var(--navbar-height-desktop);
  }

  .brand__logo {
    width: 58px;
    height: 58px;
  }

  .nav-desktop {
    display: block;
  }

  .phone-btn--desktop {
    display: flex;
  }

  .mobile-actions {
    display: none;
  }
}

/* =============================================
   SMALL MOBILE (below 480px)
============================================= */
@media (max-width: 479px) {
  .brand__logo {
    width: 48px;
    height: 48px;
  }

  .brand__name {
    font-size: 17px;
  }

  .brand__sub {
    font-size: 9px;
    letter-spacing: 2px;
  }

  .mobile-menu {
    width: 100%;
  }
}