/* ============================================================
   PREMIUM PARALLELOGRAM NAVIGATION — GalaxySeven
   Sleek, connected, futuristic navigation bar
   ============================================================ */

/* ── CSS Variables ─────────────────────────────── */
:root {
    --nav-bg: rgba(12, 10, 29, 0.65);
    --nav-border: rgba(147, 51, 234, 0.25);
    --nav-glow: rgba(147, 51, 234, 0.4);
    --nav-glow-strong: rgba(147, 51, 234, 0.7);
    --nav-accent: #9333ea;
    --nav-accent-light: #a855f7;
    --nav-text: #ffffff;
    --nav-text-dim: rgba(255, 255, 255, 0.65);
    --nav-skew: -5deg;
    --nav-transition: 350ms cubic-bezier(0.25, 0.1, 0.25, 1);
    --nav-blur: 16px;
}

/* ── Header / Banner Override ─────────────────── */
.premium-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.premium-banner-inner {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 32px;
    max-width: 1200px;
    width: 100%;
}

/* ── Logo ──────────────────────────────────────── */
.premium-logo {
    font-family: "Montserrat", sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    padding: 8px 0;
    position: relative;
    flex-shrink: 0;
}

.premium-logo::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--nav-accent), transparent);
    border-radius: 2px;
}

/* ── Nav Container ────────────────────────────── */
.premium-nav {
    position: relative;
    background: var(--nav-bg);
    backdrop-filter: blur(var(--nav-blur));
    -webkit-backdrop-filter: blur(var(--nav-blur));
    border-radius: 0;
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    padding: 0;
    overflow: visible;
    transform: skewX(var(--nav-skew));
}

/* ── Parallelogram background behind nav list ─── */
.premium-nav::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(147, 51, 234, 0.08);
    transform: skewX(var(--nav-skew));
    z-index: -1;
    pointer-events: none;
}

/* ── Nav List — parallelogram row ─────────────── */
.premium-nav-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0; /* edge-to-edge, no gaps */
}

/* ── Nav Item — parallelogram clip ────────────── */
.premium-nav-item {
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
    transform: skewX(var(--nav-skew));
}

/* ── Nav Link — the button ────────────────────── */
.premium-nav-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    color: var(--nav-text-dim);
    text-decoration: none;
    font-family: "Montserrat", sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
    cursor: pointer;
    transition: color var(--nav-transition);
    z-index: 2;
    outline: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

/* ── Parallelogram shape ──────────────────────── */
.premium-nav-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(147, 51, 234, 0.06);
    transform: skewX(var(--nav-skew));
    transition:
        background var(--nav-transition);
    z-index: 0;
    pointer-events: none;
}

/* first/last item border cleanup */
.premium-nav-item:first-child::before {
    border-radius: 0 0 0 0;
}
.premium-nav-item:last-child::before {
    border-radius: 0 0 0 0;
}

/* ── Hover: glow pulse + light sweep ──────────── */
.premium-nav-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(147, 51, 234, 0.15),
        transparent
    );
    transform: skewX(var(--nav-skew));
    transition: left 500ms ease;
    z-index: 1;
    pointer-events: none;
    transform: skewX(var(--nav-skew));
}

.premium-nav-item:hover .premium-nav-link::after {
    left: 150%;
}

/* hover state */
.premium-nav-item:hover::before {
    background: rgba(147, 51, 234, 0.15);
}

.premium-nav-item:hover .premium-nav-link {
    color: #fff;
}

/* glow pulse on hover */
.premium-nav-item:hover {
    filter: drop-shadow(0 0 12px var(--nav-glow));
}

/* ── Active State ─────────────────────────────── */
.premium-nav-item.active::before {
    background: rgba(147, 51, 234, 0.25);
}

.premium-nav-item.active .premium-nav-link {
    color: #fff;
    text-shadow: 0 0 12px rgba(147, 51, 234, 0.6);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — HAMBURGER MENU (≤768px)
   ═══════════════════════════════════════════════ */
.premium-nav-toggle {
    display: none;           /* hidden above breakpoint */
}

@media (max-width: 768px) {
    .premium-nav {
        position: relative;
    }

    /* ── Hamburger button ───────────────────── */
    .premium-nav-toggle {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        width: 42px;
        height: 42px;
        padding: 8px;
        background: transparent;
        border: 2px solid var(--nav-border);
        border-radius: 6px;
        cursor: pointer;
        z-index: 10;
        transition: border-color var(--nav-transition);
        -webkit-tap-highlight-color: transparent;
    }
    .premium-nav-toggle:hover {
        border-color: var(--nav-accent-light);
        box-shadow: 0 0 12px var(--nav-glow);
    }

    /* ── Hamburger lines ────────────────────── */
    .premium-nav-toggle-line {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--nav-text-dim);
        border-radius: 1px;
        transition: all 0.3s ease;
    }

    /* Open → X animation */
    .premium-nav.open .premium-nav-toggle .premium-nav-toggle-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .premium-nav.open .premium-nav-toggle .premium-nav-toggle-line:nth-child(2) {
        opacity: 0;
    }
    .premium-nav.open .premium-nav-toggle .premium-nav-toggle-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* ── Dropdown menu ──────────────────────── */
    .premium-nav-list {
        display: none;
        position: fixed;
        top: 64px;
        left: 50%;
        transform: translateX(-50%);
        flex-direction: column;
        width: min(260px, 90vw);
        background: rgba(12, 10, 29, 0.97);
        backdrop-filter: blur(22px);
        -webkit-backdrop-filter: blur(22px);
        border: 1px solid var(--nav-border);
        border-radius: 10px;
        box-shadow:
            0 8px 40px rgba(0, 0, 0, 0.6),
            0 0 20px var(--nav-glow);
        overflow: hidden;
        z-index: 100;
        padding: 6px 0;
    }

    .premium-nav.open .premium-nav-list {
        display: flex;
    }

    /* ── Mobile nav items ───────────────────── */
    .premium-nav-item {
        width: 100%;
    }
    .premium-nav-item::before {
        display: none;        /* no parallelogram on mobile */
    }
    .premium-nav-link {
        padding: 12px 20px;
        width: 100%;
        justify-content: center;
        text-align: center;
        font-size: 0.82rem;
        border-bottom: 1px solid transparent;
        transition: all 0.2s;
    }
    .premium-nav-link:hover {
        border-bottom-color: var(--nav-accent);
        background: rgba(147, 51, 234, 0.1);
    }
    .premium-nav-link::after {
        display: none;        /* no light sweep on mobile */
    }

    /* Active mobile item */
    .premium-nav-item.active .premium-nav-link {
        border-bottom-color: var(--nav-accent-light);
        background: rgba(147, 51, 234, 0.15);
    }

    /* Hide desktop parallelogram background */
    .premium-nav::before {
        display: none;
    }

    /* ── Tighter banner spacing ─────────────── */
    .premium-banner-inner {
        gap: 16px;
        justify-content: space-between;
    }
}

.premium-nav-item.active {
    filter: drop-shadow(0 0 18px var(--nav-glow-strong));
}

/* ── Hide Trading nav link ──────────────────── */
a.premium-nav-link[href*="trading"] {
    display: none !important;
}

/* active indicator line */
.premium-nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 50%;
    transform: translateX(-50%) skewX(var(--nav-skew));
    width: 60%;
    height: 2.5px;
    background: linear-gradient(90deg, #ffffff, rgba(255,255,255,0.7), #ffffff);
    border-radius: 2px;
    z-index: 3;
    animation: activeLinePulse 2s ease-in-out infinite;
}

@keyframes activeLinePulse {
    0%, 100% { opacity: 0.6; box-shadow: 0 0 6px rgba(255,255,255,0.4); }
    50% { opacity: 1; box-shadow: 0 0 14px rgba(255,255,255,0.7); }
}

/* ── Border trace animation ───────────────────── */
.premium-nav::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 400ms ease;
    background: transparent;
}

.premium-nav:hover::after {
    opacity: 1;
}

/* ── Depth / Elevation on hover ───────────────── */
.premium-nav-item {
    transition: transform var(--nav-transition);
    transform: translateY(0);
}

.premium-nav-item:hover {
    transform: translateY(-2px);
}

.premium-nav-item.active {
    transform: translateY(-1px);
}

/* ── Animated background gradient behind nav ──── */
.premium-nav-bg-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    height: 80px;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at center, rgba(147, 51, 234, 0.12), transparent 70%);
    pointer-events: none;
    z-index: -1;
    border-radius: 0;
    animation: bgGlowPulse 3s ease-in-out infinite;
}

@keyframes bgGlowPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.15); }
}

/* ── Responsive ───────────────────────────────── */
@media (max-width: 1024px) {
    .premium-nav-link {
        padding: 12px 14px;
        font-size: 0.7rem;
        letter-spacing: 0.04em;
    }
    .premium-banner-inner {
        gap: 18px;
    }
}

@media (max-width: 768px) {
    .premium-banner {
        padding: 10px 12px;
    }
    .premium-banner-inner {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    .premium-logo {
        font-size: 1.1rem;
    }
    .premium-nav {
        border-radius: 0;
    }
    .premium-nav-list {
        flex-wrap: wrap;
        justify-content: center;
    }
    .premium-nav-link {
        padding: 10px 11px;
        font-size: 0.68rem;
        letter-spacing: 0.03em;
    }
    .premium-nav-item::before {
    }
    .premium-nav-item::after {
    }
}

@media (max-width: 480px) {
    .premium-nav-list {
        gap: 0;
    }
    .premium-nav-link {
        padding: 9px 8px;
        font-size: 0.62rem;
        letter-spacing: 0.02em;
    }
    .premium-nav-item::before {
        border-left: none;
        border-right: none;
        background: rgba(147, 51, 234, 0.04);
    }
}

/* ── Accessibility: focus-visible ─────────────── */
.premium-nav-link:focus-visible {
    outline: 2px solid var(--nav-accent-light);
    outline-offset: 2px;
    border-radius: 2px;
}