/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav.scrolled {
    padding: 1rem 5%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo-container {
    flex-shrink: 0;
}

.logo-placeholder {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--dark);
    box-shadow: 0 5px 15px rgba(0, 240, 255, 0.3);
    transition: all 0.3s ease;
}

.logo-placeholder:hover {
    transform: translateY(-3px) rotate(5deg);
    box-shadow: 0 8px 25px rgba(0, 240, 255, 0.5);
}

.nav-brand {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: auto;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: width 0.3s ease;
}

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

.nav-links a:hover::before {
    width: 100%;
}

/* Burger Menu */
.burger-menu {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 12px;
    margin-left: auto;
    z-index: 1001;
    position: relative;
}

.burger-menu span {
    width: 28px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: all 0.3s ease;
    display: block;
}

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

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        gap: 1.5rem;
        margin: 0;
        transition: right 0.4s ease;
        border-left: 1px solid rgba(0, 240, 255, 0.2);
    }

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

    .nav-links a {
        font-size: 1.2rem;
        padding: 0.5rem 0;
    }

    .nav-brand {
        font-size: 1.1rem;
    }

    .logo-placeholder {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .nav-links {
        gap: 1.5rem;
    }

    .nav-links a {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .nav-brand {
        font-size: 1rem;
    }

    .nav-links {
        width: 80%;
    }
}