/* ============================================================
   NAVBAR CSS
   ============================================================ */

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 clamp(1rem, 5vw, 4rem);
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(7, 7, 17, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ─── Logo ─── */
.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--violet-light), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

/* ─── Nav Links ─── */
.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-links a {
    position: relative;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-links a.active {
    color: var(--violet-light);
    background: rgba(124, 58, 237, 0.12);
}

/* ─── CTA button in nav ─── */
.nav-cta {
    padding: 0.45rem 1.25rem;
    background: linear-gradient(135deg, var(--violet), var(--cyan));
    color: #fff !important;
    border-radius: var(--radius-full);
    font-weight: 600 !important;
}

.nav-cta:hover {
    box-shadow: 0 4px 16px var(--violet-glow);
    background: rgba(0, 0, 0, 0) !important;
    border: 1px solid var(--violet-light);
    color: var(--violet-light) !important;
}

/* ─── Hamburger ─── */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ─── Mobile menu ─── */
.nav-mobile {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(7, 7, 17, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem clamp(1rem, 5vw, 4rem);
    z-index: 999;
    flex-direction: column;
    gap: 0.5rem;
    transform: translateY(-10px);
    opacity: 0;
    transition: var(--transition);
}

.nav-mobile.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
}

.nav-mobile a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.nav-mobile a:last-child {
    border-bottom: none;
}

.nav-mobile a:hover,
.nav-mobile a.active {
    color: var(--violet-light);
    background: rgba(124, 58, 237, 0.1);
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .nav-hamburger {
        display: flex;
    }
}