/* Header Container */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--primary);
    z-index: 1000;
    transition: background 0.3s ease, border-bottom 0.3s ease;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo a {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text);
    letter-spacing: 2px;
    transition: color 0.3s ease;
}

.logo .accent {
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary);
}

.logo .logo-hex {
    width: 40px;
    height: 40px;
    position: relative;
    background: transparent;
    border: 2px solid var(--primary);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: border 0.3s ease;
}

.logo .hex-inner {
    width: 100%;
    height: 100%;
    background: url('../assets/studio.png') center/cover no-repeat;
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

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

.nav-link {
    font-family: 'Orbitron', sans-serif;
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

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

.nav-link:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: none;
    color: var(--text);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.theme-toggle i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(255, 0, 0, 0.1);
}

.theme-toggle:hover i {
    transform: rotate(180deg);
}

/* Desktop/Mobile Visibility */
.desktop-only {
    display: flex;
}

.mobile-only {
    display: none;
}

/* Theme Link */
.nav-link.theme-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text);
    background: rgba(255, 0, 0, 0.1);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    border: 1px solid var(--primary);
    transition: all 0.3s ease;
}

.nav-link.theme-link::before {
    display: none;
}

.nav-link.theme-link:hover {
    background: rgba(255, 0, 0, 0.2);
}

/* Desktop Theme Link */
@media (min-width: 769px) {
    .nav-link.theme-link.desktop-theme {
        margin-left: 0;
        margin-right: 1rem;
    }
    
    .mobile-only .theme-link {
        display: none;
    }
}

/* dApp Button - Desktop Only */
@media (min-width: 769px) {
    .nav-link.dapp-link {
        background: linear-gradient(45deg, var(--primary), var(--secondary));
        padding: 0.5rem 1.5rem;
        border-radius: 4px;
        position: relative;
        overflow: hidden;
        color: #ffffff;
        text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
        border: 1px solid var(--primary);
        transition: all 0.3s ease;
        display: inline-block;
        text-align: center;
        margin: 0;
    }

    .nav-link.dapp-link::before {
        display: none;
    }

    .nav-link.dapp-link::after {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: linear-gradient(
            transparent,
            rgba(255, 255, 255, 0.1),
            transparent
        );
        transform: rotate(45deg);
        animation: shine 3s infinite;
    }

    .nav-link.dapp-link:hover {
        box-shadow: 0 0 20px var(--primary);
        transform: scale(1.05);
    }
}

/* Animations */
@keyframes shine {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 30px;
    position: relative;
    z-index: 1001;
}

.menu-toggle-beam {
    width: 100%;
    height: 2px;
    background: var(--primary);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
    pointer-events: none;
}

.menu-toggle-beam::before,
.menu-toggle-beam::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s ease;
    pointer-events: none;
}

.menu-toggle-beam::before {
    transform: translateY(-8px);
}

.menu-toggle-beam::after {
    transform: translateY(8px);
}

/* Mobile Menu Active States */
.menu-toggle.active .menu-toggle-beam {
    background: transparent;
}

.menu-toggle.active .menu-toggle-beam::before {
    transform: rotate(45deg);
}

.menu-toggle.active .menu-toggle-beam::after {
    transform: rotate(-45deg);
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-links {
        gap: 1rem;
    }

    .nav-link {
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0.75rem;
    }

    .logo {
        gap: 0.5rem;
        order: 2;
    }

    .logo .logo-hex {
        width: 28px;
        height: 28px;
    }

    .logo a {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }

    .nav-menu {
        order: 1;
        margin-right: auto;
    }

    .menu-toggle {
        display: block;
        padding: 0.5rem;
    }

    .desktop-only {
        display: none !important;
    }

    .mobile-only {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--primary);
        transition: background 0.3s ease;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-link {
        padding: 1rem 0;
        text-align: center;
    }

    .nav-link.theme-link {
        margin: 0 2rem;
    }

    .nav-link.dapp-link {
        margin: 0.5rem 2rem;
        background: linear-gradient(45deg, var(--primary), var(--secondary));
        padding: 0.5rem 1.5rem;
        border-radius: 4px;
        position: relative;
        overflow: hidden;
        color: #ffffff;
        text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
        border: 1px solid var(--primary);
    }
}

/* Small Mobile Devices */
@media (max-width: 360px) {
    .logo .logo-hex {
        width: 24px;
        height: 24px;
    }

    .logo a {
        font-size: 0.8rem;
    }

    .header-container {
        padding: 0.5rem;
    }
}