/* Header - Modern Minimal */
header {
    background: #000000;
    color: #ffffff;
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #1a1a1a;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #ffffff;
    z-index: 1001;
    position: relative;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    list-style: none;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background: #1a1a1a;
}

.nav-links a.active {
    background: #1a1a1a;
    color: #ffffff;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    position: relative;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    border-radius: 3px;
    transition: all 0.5s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #000000;
        flex-direction: column;
        padding: 3rem 2rem;
        gap: 0;
        transition: left 0.6s ease;
        overflow-y: auto;
    }

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

    .nav-links li {
        opacity: 0;
        transform: translateX(-30px);
        transition: all 0.6s ease;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.active li:nth-child(2) { transition-delay: 0.2s; }
    .nav-links.active li:nth-child(3) { transition-delay: 0.3s; }
    .nav-links.active li:nth-child(4) { transition-delay: 0.4s; }
    .nav-links.active li:nth-child(5) { transition-delay: 0.5s; }
    .nav-links.active li:nth-child(6) { transition-delay: 0.6s; }

    .nav-links a {
        padding: 1.2rem 1.5rem;
        border-radius: 12px;
        width: 100%;
        text-align: left;
        display: block;
        font-size: 1.05rem;
        margin-bottom: 0.8rem;
        transition: all 0.4s ease;
    }

    .nav-links a:hover {
        background: #ffffff;
        color: #000000;
        transform: translateX(8px);
    }

    .nav-links a.active {
        background: #1a1a1a;
        color: #ffffff;
    }

    .menu-toggle {
        display: flex;
    }
}

/* For smaller screens */
@media (max-width: 480px) {
    .nav-links {
        padding: 2rem 1.5rem;
    }
    
    .nav-links a {
        font-size: 1rem;
        padding: 1rem 1.2rem;
    }
}