/* ── Header shell ───────────────────────────────────────────────────────── */
header {
    position: fixed;
    top: 0;
    width: 100%;
    min-height: 4rem;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 0.75rem;
}

/* ── Logo icon ──────────────────────────────────────────────────────────── */
header > .Company-icon {
    height: 2.5rem;
    width: 2.5rem;
    flex-shrink: 0;
    cursor: pointer;
    border-radius: 0.5rem;
    transition: transform 0.22s var(--ease), opacity 0.22s;
}
header > .Company-icon:hover { transform: scale(1.07); opacity: 0.85; }

/* ── Company title ──────────────────────────────────────────────────────── */
header > .Company-title {
    font-family: var(--font-brand);
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.06em;
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
    transition: color 0.2s;
    text-decoration: none;
}
header > .Company-title:hover { color: var(--blue); }

/* ── Hamburger ──────────────────────────────────────────────────────────── */
header > .show_more {
    margin-left: auto;
    height: 1.75rem;
    width: 1.75rem;
    cursor: pointer;
    flex-shrink: 0;
    filter: invert(1);
    opacity: 0.75;
    transition: opacity 0.2s, transform 0.2s;
    display: block;
}
header > .show_more:hover { opacity: 1; transform: scale(1.1); }

/* ── Mobile nav dropdown ────────────────────────────────────────────────── */
header > .wrapper {
    position: fixed;
    top: 4rem;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s var(--ease);
}
/* open state toggled by JS */
header > .wrapper.open { max-height: 22rem; }

/* legacy 'hidden' class — no longer used but keep safe */
header > .wrapper.hidden { max-height: 0 !important; }

header > .wrapper > a {
    display: block;
    color: rgba(255, 255, 255, 0.68);
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.10em;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    transition: color 0.2s, background 0.2s;
    text-decoration: none;
}
header > .wrapper > a:last-child { border-bottom: none; }
header > .wrapper > a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
}

/* Header CTA — hidden on mobile, shown on desktop */
header > .cta_btn {
    display: none;
    height: 2.25rem;
    font-size: 0.85rem;
    padding: 0 1.25rem;
    white-space: nowrap;
}

/* ── Desktop nav (1024px+) ──────────────────────────────────────────────── */
@media (min-width: 1024px) {
    header {
        padding: 0 2.5rem;
    }
    header > .show_more {
        display: none;
    }

    /* Nav becomes inline horizontal row */
    header > .wrapper {
        position: static;
        background: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: none;
        max-height: none;
        overflow: visible;
        flex-direction: row;
        align-items: stretch;
        margin-left: auto;
        width: auto;
        transition: none;
    }
    header > .wrapper > a {
        color: rgba(255, 255, 255, 0.65);
        padding: 0 1.1rem;
        height: 4rem;
        line-height: 4rem;
        border: none;
        font-size: 0.78rem;
        position: relative;
        white-space: nowrap;
    }
    /* Underline hover animation */
    header > .wrapper > a::after {
        content: '';
        position: absolute;
        bottom: 6px;
        left: 1.1rem;
        right: 1.1rem;
        height: 2px;
        background: var(--cta);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.24s var(--ease);
        border-radius: 1px;
    }
    header > .wrapper > a:hover {
        color: #ffffff;
        background: none;
    }
    header > .wrapper > a:hover::after { transform: scaleX(1); }

    /* Desktop CTA button */
    header > .cta_btn {
        display: inline-block;
        margin-left: 1.25rem;
        flex-shrink: 0;
        min-width: 11rem;
    }
}