/* =========================================
   Header & Navigation
========================================= */
.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.55);
    font-family: 'Poppins', sans-serif;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 0.4rem 0;
    transition: color 0.25s ease;
    white-space: nowrap;
}

.nav-link:hover {
    color: #ffffff;
}

.nav-link__icon {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.42);
    transition: color 0.25s ease, transform 0.25s ease;
}

.nav-link:hover .nav-link__icon,
.active-nav .nav-link__icon {
    color: #E50914;
    transform: translateY(-1px);
}

/* Thin red underline that expands on hover */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: #E50914;
    box-shadow: 0 0 6px rgba(229, 9, 20, 0.7);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link:hover::after,
.active-nav::after {
    width: 100%;
}

.active-nav {
    color: #ffffff;
}

/* Dot separator between nav items */
.nav-separator {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    flex-shrink: 0;
}

/* Mobile nav links */
.nav-link--mobile {
    font-size: 1rem;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.6);
    padding: 0.5rem 1.5rem;
}

.nav-link--mobile:hover {
    color: #ffffff;
}

/* =========================================
   Site Header Structure
========================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    background: rgba(7, 7, 10, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

/* Logo */
.site-header__logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #ffffff;
    text-decoration: none;
    flex-shrink: 0;
    transition: opacity 0.25s ease;
}

.site-header__logo:hover {
    opacity: 0.85;
}

.site-header__logo-accent {
    color: #E50914;
}

/* Nav */
.site-header__nav {
    display: none;
}

@media (min-width: 768px) {
    .site-header__nav {
        display: block;
    }
}

.site-header__nav-list {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-header__nav-list li {
    display: flex;
    align-items: center;
}

.site-header__lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.2rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.03);
    flex-shrink: 0;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.site-header__lang-btn {
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.55);
    font-family: 'Poppins', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.42rem 0.7rem;
    border-radius: 999px;
    cursor: pointer;
    transition: color 0.25s ease, background 0.25s ease;
}

.site-header__lang-btn:hover {
    color: #ffffff;
}

.site-header__lang-btn.is-active {
    color: #ffffff;
    background: rgba(229, 9, 20, 0.18);
}

/* Hamburger */
.site-header__hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2rem;
    height: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

@media (min-width: 768px) {
    .site-header__hamburger {
        display: none;
    }
}

.site-header__bar {
    display: block;
    width: 100%;
    height: 1.5px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    transition: background 0.25s ease, transform 0.3s ease, opacity 0.3s ease;
}

.site-header__hamburger:hover .site-header__bar {
    background: #ffffff;
}

/* Mobile Menu */
.site-header__mobile {
    background: rgba(7, 7, 10, 0.97);
    backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.5rem 0;
}

.site-header__mobile.hidden {
    display: none;
}

.site-header__mobile-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.site-header__mobile .nav-link {
    font-size: 0.95rem;
}

.site-header__mobile .nav-link__icon {
    font-size: 0.95rem;
}

@media (max-width: 767px) {
    .site-header {
        background: rgba(7, 7, 10, 0.78);
        border-bottom-color: rgba(255, 255, 255, 0.04);
        box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
    }

    .site-header__inner {
        padding: 0 0.9rem;
        gap: 0.85rem;
        height: 4.25rem;
    }

    .site-header__actions {
        gap: 0.6rem;
    }

    .site-header__logo {
        font-size: 1.18rem;
        letter-spacing: 0.04em;
    }

    .site-header__lang-switch {
        padding: 0.18rem;
        background: rgba(255, 255, 255, 0.025);
    }

    .site-header__lang-btn {
        padding: 0.42rem 0.62rem;
        font-size: 0.68rem;
    }

    .site-header__hamburger {
        width: 2.65rem;
        height: 2.65rem;
        gap: 4px;
        padding: 0.68rem 0.56rem;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.03);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
    }

    .site-header__hamburger:hover {
        transform: translateY(-1px);
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(255, 255, 255, 0.14);
    }

    .site-header__hamburger[aria-expanded="true"] {
        background: rgba(229, 9, 20, 0.08);
        border-color: rgba(229, 9, 20, 0.28);
    }

    .site-header__hamburger[aria-expanded="true"] .site-header__bar:nth-child(1) {
        transform: translateY(5.5px) rotate(45deg);
    }

    .site-header__hamburger[aria-expanded="true"] .site-header__bar:nth-child(2) {
        opacity: 0;
    }

    .site-header__hamburger[aria-expanded="true"] .site-header__bar:nth-child(3) {
        transform: translateY(-5.5px) rotate(-45deg);
    }

    .site-header__mobile {
        position: absolute;
        top: calc(100% + 0.55rem);
        left: 0.9rem;
        right: 0.9rem;
        padding: 0.9rem;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 24px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        background: linear-gradient(180deg, rgba(13, 13, 16, 0.98) 0%, rgba(10, 10, 12, 0.94) 100%);
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
        overflow: hidden;
    }

    .site-header__mobile-list {
        align-items: stretch;
        gap: 0.55rem;
    }

    .site-header__mobile .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 0.95rem 1rem;
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.05);
        background: rgba(255, 255, 255, 0.03);
        font-size: 0.82rem;
        letter-spacing: 0.1em;
    }

    .site-header__mobile .nav-link::after {
        display: none;
    }

    .site-header__mobile .nav-link.active-nav,
    .site-header__mobile .nav-link:hover {
        background: rgba(229, 9, 20, 0.08);
        border-color: rgba(229, 9, 20, 0.22);
    }
}