/* ===== HEADER PERSEO ===== */
.perseo-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(10, 31, 68, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}
.perseo-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    gap: 2rem;
}
.perseo-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.05em;
    color: #FFFFFF;
}
.perseo-logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, #00E5FF, #7C3AED);
    color: #fff;
    font-weight: 700;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.3);
}
.perseo-logo-text {
    background: linear-gradient(135deg, #00E5FF, #7C3AED);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.perseo-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.perseo-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.25rem;
    align-items: center;
}
.perseo-menu li { position: relative; }
.perseo-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: #FFFFFF;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}
.perseo-menu a:hover {
    color: #00E5FF;
    background: rgba(0, 229, 255, 0.08);
}
.perseo-menu .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: rgba(10, 31, 68, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 12px;
    padding: 0.5rem;
    list-style: none;
    margin: 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    z-index: 1000;
}
.perseo-menu li:hover > .sub-menu { display: block; }
.perseo-cta-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.75rem;
    background: linear-gradient(135deg, #00E5FF, #7C3AED);
    color: #fff !important;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.35);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    margin-left: 1rem;
    white-space: nowrap;
}
.perseo-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 229, 255, 0.55);
    color: #fff;
}
.perseo-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid rgba(0, 229, 255, 0.3);
    border-radius: 10px;
    padding: 0.6rem;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
}
.perseo-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #00E5FF;
    border-radius: 2px;
    transition: all 0.3s;
}
@media (max-width: 900px) {
    .perseo-menu-toggle { display: flex; }
    .perseo-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 31, 68, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1rem;
        border-top: 1px solid rgba(0, 229, 255, 0.15);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
    }
    .perseo-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .perseo-menu {
        flex-direction: column;
        width: 100%;
    }
    .perseo-menu a { width: 100%; padding: 1rem; }
    .perseo-cta-btn { width: 100%; justify-content: center; margin: 0.5rem 0 0 0; }
}