/* =====================
HEADER
===================== */
header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: linear-gradient(180deg, var(--grey-700), var(--black));
    backdrop-filter: blur(10px);
    padding: 20px 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.brand {
    display: flex;
    align-items: center;                   
    gap: 10px;
}

.brand h1 {
    font-size: 1.1rem;
    margin: 0;
    font-weight: 800;
    letter-spacing: .4px;
}

.nav a {
    color: var(--muted);
}

.nav-links {
    display: flex;
    gap: 18px;
    align-items: center;
}
button {
  all: unset;
}
/* Always-on Hamburger */
.hamburger {
    display: flex;
    position: relative;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: transparent;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    
}

.hamburger span {
    position: absolute;
    width: 24px;
    height: 3px;
    border-radius: 1px;
    background: var(--text);
    transition: .2s ease;
}

.hamburger span:nth-child(1) {
    transform: translateY(-8px);
}

.hamburger span:nth-child(2) {
    transform: translateY(0);
}

.hamburger span:nth-child(3) {
    transform: translateY(8px);
}

.hamburger.is-open span:nth-child(1) {
    transform: rotate(45deg);
}

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

.hamburger.is-open span:nth-child(3) {
    transform: rotate(-45deg);
}
/* =====================
DESKTOP MENU
===================== */
/* Ensure the hidden attribute actually hides the panel (override any resets) */
.desktop-nav {
    /* allow animate in/out via opacity & transform
       do not use display:none here so transitions can run when hidden attribute toggles */
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
    transform-origin: top right;
}

.desktop-nav[hidden] {
    /* keep in flow but invisible and non-interactive so transition can animate */
    display: hidden;
    opacity: 0;
    transform: translateY(-8px) scale(.995);
    pointer-events: none;
}

.desktop-nav:not([hidden]) {
    visibility: visible;
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

/* Dropdown panel: compact, anchored under header (not fullscreen) */
.mobile-menu {
    /* Desktop/tablet dropdown: anchored under the hamburger (absolute to .nav) */
    position: absolute;
    right: 12px;
    top: calc(100% + 8px);
    display: grid;
    gap: 10px;
    padding: 8px;
    width: min(360px, 92%);
    border-radius: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    background: linear-gradient(180deg, var(--black), var(--grey-800));
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .45);
    z-index: 60;
    max-height: calc(100vh - 120px);
    overflow: auto;
    left: auto;
    transform-origin: top right;
    transform: translateY(0);
    transition: opacity .18s ease, transform .18s ease;
}
@media (max-width: 900px) {
    .desktop-nav {
        display: none;
    }
    /* Anchor under header on mobile — adjust top if your header height differs */
    .mobile-menu {
        position: fixed;
        left: 0;
        right: 0;
        top: 64px;
        width: 100%;
        height: auto;
        border-radius: 0;
        padding: 16px 12px;
        max-height: calc(100vh - 64px);
        display: grid;
        gap: 12px;
    }

    .mobile-menu a {
        font-size: 1.05rem;
        padding: 10px;
    }

    .mobile-menu .btn {
        padding: .7rem .9rem;
        border-radius: 10px;
        width: 100%;
    }
}

.mobile-menu a {
    padding: 10px;
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: linear-gradient(180deg, var(--black), var(--grey-900));
}

/* Ensure the hidden attribute actually hides the panel (override any resets) */
.mobile-menu[hidden] {
    display: none !important;
    opacity: 0;
    pointer-events: none;
}

.mobile-menu:not([hidden]) {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu .btn {
    text-align: center;
}