/*==================== HEADER ====================*/
.header {
    width: 90%;
    max-width: 1400px;
    background-color: hsla(228, 4%, 15%, 0.3);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: fixed;
    top: 1rem;
    left: 0;
    right: 0;
    margin: 0 auto;
    z-index: 1000;
    transition: background-color .4s, border-color .4s, box-shadow .4s;
    border-radius: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.header.menu-expanded {
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-color: transparent;
    box-shadow: none;
}

.header.menu-expanded .nav__logo,
.header.menu-expanded .nav__toggle {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-right: 1rem;
}

.nav__logo {
    display: inline-flex;
    align-items: center;
    column-gap: .2rem;
    font-size: .5rem;
    font-weight: var(--font-medium);
    color: var(--title-color);
    position: absolute;
    top: 50%;
    left: 2rem;
    transform: translateY(-50%) scale(1.2);
    transform-origin: center left;
    transition: all 0.5s ease-in-out;
    z-index: var(--z-fixed);
    line-height: normal;
}

@keyframes logo-entrance {
    0% {
        transform: scale(1.5);
        opacity: 0;
        filter: blur(10px) brightness(2.0) drop-shadow(0 0 20px rgba(255,255,255,0.8));
    }
    100% {
        transform: scale(1);
        opacity: 1;
        filter: blur(0) brightness(1.0) drop-shadow(0 0 0 rgba(255,255,255,0));
    }
}

.nav__logo img {
    width: 100px;
    display: block;
    animation: logo-entrance 1.5s ease-out forwards;
}

.nav__toggle {
    font-size: 1.5rem;
    color: var(--title-color);
    cursor: pointer;
    margin-left: auto;
    padding-right: 20px;
    z-index: 1010;
    position: relative;
}

.nav__close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.4rem;
    color: var(--title-color);
    cursor: pointer;
    z-index: 1020;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    transition: background 0.2s, color 0.2s;
}

.nav__close:hover {
    background: rgba(255,255,255,0.1);
    color: var(--first-color);
}

/*========== SCROLL HEADER ==========*/
.scroll-header {
    background-color: hsla(228, 4%, 10%, 0.8);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.scroll-header .nav__logo {
    top: 50%;
    left: 2rem;
    transform: translateY(-50%) scale(1);
}

/*========== NAV LINKS ==========*/
.nav__link {
    color: var(--title-color);
    font-weight: var(--font-medium);
    transition: color .3s;
    font-family: 'Kiona', sans-serif;
    text-decoration: none;
    font-size: var(--h3-font-size);
}

.nav__link:hover,
.nav__link.active-link {
    color: var(--first-color);
}

.nav__link--dropdown {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.nav__dropdown-arrow {
    font-size: 1rem;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    line-height: 1;
    opacity: 0.5;
}

/*================================================================
  DESKTOP (≥1400px) — hover dropdowns
================================================================*/
@media screen and (min-width: 1400px) {
    .nav {
        height: calc(var(--header-height) + 1.5rem);
        padding-left: 3rem;
        padding-right: 3rem;
    }

    .nav__menu {
        margin-left: auto;
    }

    .nav__toggle,
    .nav__close {
        display: none;
    }

    .nav__list {
        display: flex;
        flex-direction: row;
        column-gap: 2.2rem;
        padding: 0;
        margin: 0;
        list-style: none;
        align-items: center;
    }

    .nav__item.dropdown {
        position: relative;
    }

    .nav__item.dropdown:hover .nav__dropdown-arrow {
        transform: rotate(180deg);
        opacity: 1;
    }

    /* Desktop dropdown panel */
    .dropdown-menu {
        position: absolute;
        top: calc(100% + 0.9rem);
        left: 0;
        list-style: none;
        min-width: 180px;
        z-index: 1010;

        /* Glass panel */
        background: rgba(12, 12, 16, 0.92);
        backdrop-filter: blur(28px) saturate(160%);
        -webkit-backdrop-filter: blur(28px) saturate(160%);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-top: 1px solid var(--first-color);
        border-radius: 0 0 14px 14px;
        padding: 6px 0;
        box-shadow: 0 20px 60px rgba(0,0,0,0.6);

        /* Hidden state */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-6px);
        transition: opacity 0.22s ease,
                    transform 0.22s ease,
                    visibility 0.22s;
    }

    .nav__item.dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* No triangle pointer — clean edge */
    .dropdown-menu::before { display: none; }

    .dropdown-menu li a {
        display: block;
        color: rgba(255,255,255,0.72);
        text-decoration: none;
        font-size: 0.75rem;
        font-family: 'Kiona', sans-serif;
        font-weight: var(--font-medium);
        letter-spacing: 0.06em;
        text-transform: uppercase;
        padding: 9px 20px;
        transition: color 0.2s, background 0.2s, padding-left 0.2s;
        white-space: nowrap;
        border-left: 2px solid transparent;
    }

    .dropdown-menu li a:hover {
        color: #fff;
        background: rgba(255,255,255,0.04);
        border-left-color: var(--first-color);
        padding-left: 24px;
    }
}

/*================================================================
  MOBILE / TABLET (<1400px) — full-screen overlay + accordion
================================================================*/
@media screen and (max-width: 1399px) {
    .nav__menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        padding-top: 5.5rem;
        padding-bottom: 3rem;
        z-index: 1005;
        display: flex;
        flex-direction: column;
        align-items: center;
        overflow-y: auto;

        /* Luxury dark glass */
        background: rgba(6, 6, 10, 0.88);
        backdrop-filter: blur(40px) saturate(200%);
        -webkit-backdrop-filter: blur(40px) saturate(200%);

        /* Hidden state — transform + visibility so no bleed */
        transform: translateX(100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.42s cubic-bezier(0.77, 0, 0.175, 1),
                    opacity 0.35s ease,
                    visibility 0s linear 0.42s;
    }

    /* Luxury red glow accent */
    .nav__menu::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background:
            radial-gradient(ellipse at 15% 20%, rgba(195, 45, 65, 0.09) 0%, transparent 50%),
            radial-gradient(ellipse at 85% 80%, rgba(195, 45, 65, 0.05) 0%, transparent 50%);
        pointer-events: none;
        z-index: 0;
    }

    /* Open state */
    .show-menu {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
        transition: transform 0.42s cubic-bezier(0.77, 0, 0.175, 1),
                    opacity 0.35s ease,
                    visibility 0s linear 0s;
    }

    .nav__list {
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 0 2rem;
        width: 100%;
        max-width: 420px;
        position: relative;
        z-index: 1;
        list-style: none;
    }

    .nav__item {
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }

    .nav__item:last-child {
        border-bottom: none;
    }

    .nav__link {
        display: flex;
        align-items: center;
        padding: 1.1rem 0;
        font-size: 0.95rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        width: 100%;
        color: rgba(255,255,255,0.85);
    }

    .nav__link:hover {
        color: #fff;
    }

    .nav__link--dropdown {
        justify-content: space-between;
    }

    .nav__item.dropdown .nav__dropdown-arrow {
        font-size: 1.1rem;
        transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
        opacity: 0.45;
    }

    .nav__item.dropdown.dropdown-open > a .nav__dropdown-arrow {
        transform: rotate(180deg);
        opacity: 0.9;
    }

    /*===== ACCORDION SUBMENU — LUXURY STYLE =====*/
    .dropdown-menu {
        position: static !important;
        list-style: none;
        overflow: hidden;
        max-height: 0;
        /* No visible card/bubble — clean left-accent style */
        background: transparent;
        border: none;
        border-left: 1px solid rgba(195, 45, 65, 0.35);
        margin-left: 0.25rem;
        padding: 0;
        box-shadow: none;
        min-width: unset;
        /* Override desktop show state */
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        border-radius: 0;
        transition: max-height 0.42s cubic-bezier(0.4, 0, 0.2, 1),
                    padding 0.3s ease,
                    border-color 0.3s;
    }

    .dropdown-menu::before { display: none; }

    .nav__item.dropdown.dropdown-open > .dropdown-menu {
        max-height: 400px;
        padding: 0.3rem 0 0.8rem;
        border-left-color: rgba(195, 45, 65, 0.6);
    }

    .dropdown-menu li {
        width: 100%;
    }

    .dropdown-menu li a {
        display: block;
        color: rgba(255,255,255,0.5);
        text-decoration: none;
        font-size: 0.72rem;
        font-family: 'Kiona', sans-serif;
        font-weight: var(--font-medium);
        letter-spacing: 0.1em;
        text-transform: uppercase;
        padding: 0.5rem 0 0.5rem 1.2rem;
        transition: color 0.2s, padding-left 0.2s;
        border: none;
        background: none;
    }

    .dropdown-menu li a:hover,
    .dropdown-menu li a:active {
        color: rgba(255,255,255,0.9);
        padding-left: 1.6rem;
    }

    /* Language item centered on mobile */
    .nav__item.dropdown:last-child .nav__link {
        justify-content: center;
        gap: 0.5rem;
    }
}

/*========== MOBILE SMALL SCREENS ==========*/
@media screen and (max-width: 560px) {
    .nav__logo,
    .scroll-header .nav__logo {
        top: 50% !important;
        left: 1rem !important;
        transform: translateY(-50%) scale(1) !important;
        transition: none !important;
    }

    .nav__logo img {
        width: 80px;
    }
}