/* ================================================== */
/* HEADER.CSS — Premium Navigation Header              */
/* ================================================== */

/* ── Header Bar ── */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2.5rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(3, 7, 18, 0.6);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
    z-index: var(--z-header);
    position: sticky;
    top: 0;
    transition: var(--transition-base);
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.2), rgba(99, 102, 241, 0.15), transparent);
}

/* ── Logo ── */
.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.55rem;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    letter-spacing: -0.03em;
    position: relative;
    cursor: default;
}

/* ── Animated Logo Glow Dot ── */
.logo-glow {
    width: 10px;
    height: 10px;
    background: var(--accent-purple);
    border-radius: 50%;
    display: inline-block;
    animation: logoGlowPulse 2.5s ease-in-out infinite;
    position: relative;
}

.logo-glow::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--accent-purple);
    opacity: 0.3;
    filter: blur(6px);
    animation: logoGlowPulse 2.5s ease-in-out infinite;
}

@keyframes logoGlowPulse {
    0%, 100% {
        box-shadow: 0 0 8px var(--accent-purple), 0 0 20px rgba(168, 85, 247, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 16px var(--accent-purple), 0 0 36px rgba(168, 85, 247, 0.6);
        transform: scale(1.15);
    }
}

/* ── Header Actions ── */
.header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.header-actions .btn {
    border-radius: var(--radius-full);
    padding: 0.6rem 1.25rem;
    font-size: 0.82rem;
    border-color: rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
}

.header-actions .btn:hover {
    background: var(--accent-purple-dim);
    border-color: rgba(168, 85, 247, 0.3);
    color: #c084fc;
    box-shadow: var(--shadow-glow-purple);
}

/* ── Responsive Header ── */
@media (max-width: 768px) {
    header {
        padding: 0.85rem 1.25rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .header-actions .btn span {
        display: none;
    }

    .header-actions .btn {
        padding: 0.6rem 0.85rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0.75rem 1rem;
    }

    .logo {
        font-size: 1.15rem;
    }
}