/* =========================================
   HEADER.CSS
   Global Navigation
   ========================================= */

header.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 2.5rem 5vw;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    mix-blend-mode: difference;
    transition: mix-blend-mode 0.3s;
}

header.site-header.menu-open {
    mix-blend-mode: normal;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    width: min(1408px, 100%);
    margin: 0 auto;
    align-items: center;
    box-sizing: border-box;
}

.header-brand {
    font-weight: 600;
    text-decoration: none;
    color: var(--text);
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.header-brand-text {
    display: inline-block;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), text-shadow 0.4s ease;
}

.header-brand:hover .header-brand-text {
    transform: scale(1.03);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3), 0 0 20px rgba(255, 255, 255, 0.2);
}

/* --- DESKTOP NAVIGATION --- */
.header-nav-desktop {
    display: flex;
    gap: 2.15rem;
    list-style: none;
    align-items: center;
    height: 100%;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    opacity: 0.6;
    transition: opacity 0.3s, color 0.3s;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-link:hover {
    opacity: 1;
}

.nav-link.active {
    font-weight: 600;
    opacity: 1;
}

.header-nav-desktop>.nav-link,
.header-submenu>.nav-link {
    display: inline-flex;
    align-items: center;
    height: 30px;
    line-height: normal;
    padding: 0 5px;
    margin: 0;
}

.header-submenu {
    position: relative;
    display: flex;
    align-items: center;
    height: 30px;
}

.header-submenu-panel {
    display: flex;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
    visibility: hidden;
    filter: blur(8px);
    background: transparent;
    padding-top: 1.5rem;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    min-width: 120px;
    z-index: 10;
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.19, 1, 0.22, 1), visibility 0.4s, filter 0.4s ease;
}

.header-submenu:hover .header-submenu-panel,
.header-submenu:focus-within .header-submenu-panel {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    filter: blur(0);
    pointer-events: auto;
}

.header-submenu-panel .nav-link {
    white-space: nowrap;
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.3s ease;
    will-change: transform, opacity;
}

.header-submenu:hover .header-submenu-panel .nav-link {
    opacity: 0.5;
    transform: translateY(0) scale(1);
}

.header-submenu:hover .header-submenu-panel .nav-link:nth-child(1) {
    transition-delay: 0.05s;
}

.header-submenu:hover .header-submenu-panel .nav-link:nth-child(2) {
    transition-delay: 0.1s;
}

.header-submenu:hover .header-submenu-panel .nav-link:nth-child(3) {
    transition-delay: 0.15s;
}

.header-submenu:hover .header-submenu-panel .nav-link:nth-child(4) {
    transition-delay: 0.2s;
}

.header-submenu:hover .header-submenu-panel .nav-link:hover {
    opacity: 1;
    color: #ffffff;
    transform: scale(1.03);
    transition-delay: 0s;
}

.header-lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--text);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    line-height: 1;
    text-transform: uppercase;
}

.lang-link {
    color: inherit;
    text-decoration: none;
    opacity: 0.48;
    transition: opacity 0.3s, color 0.3s;
}

.lang-link:hover,
.lang-link.is-active {
    opacity: 1;
}

.lang-divider {
    opacity: 0.35;
}

.burger-animated-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    position: absolute;
    top: 50%;
    left: 3px;
    transform: translateY(-50%);
    transition: all 0.3s;
}

.burger-animated-icon::before,
.burger-animated-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s;
}

.burger-animated-icon::before {
    top: -8px;
}

.burger-animated-icon::after {
    top: 8px;
}

.burger-btn[aria-expanded="true"] .burger-animated-icon::after {
    top: 0;
    transform: rotate(-45deg);
    background: #1a1a1a;
}

.burger-btn[aria-expanded="true"] .burger-animated-icon::before {
    top: 0;
    transform: rotate(45deg);
    background: #1a1a1a;
}

.burger-btn[aria-expanded="true"] .burger-animated-icon {
    background: transparent;
}

/* --- MOBILE MENU --- */
.header-nav-mobile {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) grayscale(100%);
    -webkit-backdrop-filter: blur(20px) grayscale(100%);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 1;
    /* Reset opacity logic */
    pointer-events: none;

    /* Modern Circular Reveal */
    clip-path: circle(0px at calc(100% - 5vw - 15px) calc(1.5rem + 15px));
    transition: clip-path 0.7s cubic-bezier(0.19, 1, 0.22, 1);
}

.header-nav-mobile[aria-hidden="false"],
.burger-btn[aria-expanded="true"]~.header-nav-mobile,
.header-nav-mobile.show {
    pointer-events: all;
    display: flex;
    clip-path: circle(150% at calc(100% - 5vw - 15px) calc(1.5rem + 15px));
}

.header-mobile-inner {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
    width: 100%;
    max-width: 400px;
}

.header-mobile-inner>* {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

.header-nav-mobile.show .header-mobile-inner>* {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger Delays */
.header-nav-mobile.show .header-mobile-inner>*:nth-child(1) {
    transition-delay: 0.1s;
}

.header-nav-mobile.show .header-mobile-inner>*:nth-child(2) {
    transition-delay: 0.15s;
}

.header-nav-mobile.show .header-mobile-inner>*:nth-child(3) {
    transition-delay: 0.2s;
}

.header-nav-mobile.show .header-mobile-inner>*:nth-child(4) {
    transition-delay: 0.25s;
}

.header-nav-mobile.show .header-mobile-inner>*:nth-child(5) {
    transition-delay: 0.3s;
}

.header-nav-mobile.show .header-mobile-inner>*:nth-child(6) {
    transition-delay: 0.35s;
}

.header-mobile-inner .nav-link {
    font-size: 2rem;
    font-weight: 500;
    opacity: 1;
    /* Reset internal opacity */
    color: #1a1a1a;
    letter-spacing: -0.02em;
}

.header-mobile-inner .header-lang-switch {
    justify-content: center;
    color: #1a1a1a;
    font-size: 1rem;
    letter-spacing: 0.18em;
}

.header-mobile-submenu {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
    border-left: 1px solid var(--border);
    padding-left: 1rem;
}

.header-mobile-submenu[hidden] {
    display: none;
}

.header-mobile-parent {
    font-family: inherit;
}

.nav-link-ny {
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
}

.ny-heart {
    font-size: 0.9em;
    color: inherit;
    transform: translateY(-0.05em);
    text-decoration: none;
    line-height: normal;
}

/* --- RESPONSIVE ADJUSTMENTS --- */

@media (min-width: 1920px) {
    header.site-header {
        padding-top: 2.75rem;
        padding-bottom: 2.75rem;
    }

    .header-nav-desktop {
        gap: 2.6rem;
    }

    .nav-link {
        letter-spacing: 0.18em;
    }
}

@media (max-width: 768px) {
    header.site-header {
        padding: 1.5rem 5vw;
    }

    .header-nav-desktop {
        display: none;
    }

}