/* ============================================================
   GRANDI VOCI — Navigation
   Floating Glassmorphic Nav with Premium Interactions
   ============================================================ */

nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--sp-3) 0;
    background: transparent;
    transition: all var(--t-normal) var(--ease-out);
}

nav.scrolled {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--sp-2) 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

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

/* ── Logo ── */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    cursor: pointer;
    text-decoration: none;
}

.logo-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--gold-primary);
    padding: 4px;
    background: white;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
    transition: transform var(--t-normal) var(--ease-spring);
    flex-shrink: 0;
}

.nav-logo:hover .logo-circle {
    transform: scale(1.1);
}

.logo-circle img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.logo-text h2 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    letter-spacing: 3px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.6rem;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-top: 2px;
}

/* ── Nav Links ── */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
    list-style: none;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    font-size: 0.7rem;
    font-weight: var(--fw-semibold);
    transition: all var(--t-normal) var(--ease-out);
    position: relative;
    padding-bottom: 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold-gradient-h);
    transition: width var(--t-normal) var(--ease-out);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--gold-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-cta {
    background: var(--gold-gradient) !important;
    color: var(--bg-void) !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-full) !important;
    font-weight: var(--fw-bold) !important;
    letter-spacing: 0.2em !important;
    box-shadow: 0 4px 20px var(--gold-glow);
    transition: all var(--t-normal) var(--ease-spring) !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 30px var(--gold-glow) !important;
}

/* ── Hamburger ── */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
    z-index: 1010;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--gold-primary);
    transition: all var(--t-normal) var(--ease-out);
    transform-origin: center;
}

.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ── Mobile Nav ── */
@media (max-width: 992px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        gap: var(--sp-5);
        background: rgba(5, 5, 5, 0.97);
        backdrop-filter: var(--glass-blur);
        border-left: 1px solid var(--glass-border);
        transition: right var(--t-slow) var(--ease-out);
        padding: var(--sp-8);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-links a {
        font-size: 1rem;
        letter-spacing: 0.3em;
    }

    .logo-text {
        display: none;
    }

    .logo-circle {
        width: 48px;
        height: 48px;
    }

    nav {
        padding: var(--sp-2) 0;
    }
}