* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ffffff;
    --primary-dark: #484849;
    --secondary-color: #afafaf;
    --text-primary: #757575;
    --text-secondary: #77777770;
    --bg-dark: #1b1b1b;
    --bg-darker: #131313;
    --bg-card: #3131316b;
    --border-color: #3131316b;
    --accent: #35353569;
    --hover-color: #33333386;
    --neon-glow: 0 0 10px rgba(255, 255, 255, 0.8), 0 0 20px rgba(255, 255, 255, 0.6), 0 0 30px rgba(255, 255, 255, 0.4);
    --neon-text-shadow: 0 0 10px rgb(255, 255, 255), 0 0 20px rgba(255, 255, 255, 0.8), 0 0 30px rgba(255, 255, 255, 0.6);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    background: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-login {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 0.5rem 1.5rem;
    border-radius: 0.5rem;
    color: var(--text-primary) !important;
    -webkit-text-fill-color: var(--text-primary);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
}

.nav-login:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: var(--neon-glow);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 3rem 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
}

/* Q&A Section */
.qa-section {
    margin-bottom: 4rem;
}

.qa-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.qa-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(36, 36, 36, 0.178), var(--neon-glow);
}

.qa-question {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.qa-answer {
    color: var(--text-secondary);
    line-height: 1.8;
}

.qa-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    text-shadow: var(--neon-text-shadow);
}

.qa-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
    text-shadow: none;
}

/* Omnidev Section */
.omnidev-section {
    background: linear-gradient(135deg, rgba(51, 51, 51, 0.1), rgba(58, 58, 58, 0.1));
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

.omnidev-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.omnidev-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.omnidev-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.omnidev-link:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(63, 63, 63, 0.397), var(--neon-glow);
    color: var(--bg-dark);
    text-shadow: none;
}

.omnidev-icon {
    font-size: 1.2rem;
    font-weight: 700;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--text-primary);
}

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background: var(--bg-darker);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        border-bottom: 1px solid var(--border-color);
        padding: 2rem 0;
        gap: 1rem;
    }

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

    .nav-link {
        padding: 0.75rem 1rem;
        width: 100%;
        display: block;
    }

    .qa-item {
        padding: 1.25rem;
    }

    .omnidev-section {
        padding: 2rem 1.5rem;
    }

    .omnidev-links {
        flex-direction: column;
        align-items: center;
    }

    .omnidev-link {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 2rem 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .qa-question {
        font-size: 1.1rem;
    }
}