/* Dark Theme Styles */
:root {
    --background-color: #121212;
    --text-color: #ffffff;
    --accent-color: #bb86fc;
    --card-background: #1e1e1e;
    --card-border: #2d2d2d;
    --hover-color: #bb86fc;
}

body.dark-theme {
    background-color: var(--background-color);
    color: var(--text-color);
}

body.dark-theme header {
    background-color: rgba(18, 18, 18, 0.95);
}

body.dark-theme header.scrolled {
    background-color: rgba(18, 18, 18, 0.95);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

body.dark-theme .logo-text,
body.dark-theme .nav-link {
    color: var(--text-color);
}

body.dark-theme .menu-toggle .bar {
    background-color: var(--text-color);
}

body.dark-theme .language-selector button {
    border: 1px solid var(--text-color);
    color: var(--text-color);
}

body.dark-theme .language-selector button.active {
    background: var(--text-color);
    color: var(--background-color);
}

body.dark-theme .hero::before {
    background-color: rgba(0, 0, 0, 0.6);
}

body.dark-theme .section-title::after {
    background-color: var(--accent-color);
}

body.dark-theme .cta-button {
    border-color: var(--text-color);
    color: var(--text-color);
}

body.dark-theme .cta-button:hover {
    color: var(--background-color);
}

body.dark-theme .cta-button::before {
    background-color: var(--text-color);
}

body.dark-theme .section-preview {
    background-color: var(--card-background);
    border: 1px solid var(--card-border);
}

body.dark-theme .preview-link {
    color: var(--accent-color);
}

body.dark-theme .service-card {
    background-color: var(--card-background);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

body.dark-theme .contact-item a {
    color: var(--text-color);
}

body.dark-theme .contact-item a:hover {
    color: var(--accent-color);
}

body.dark-theme .social-link {
    background-color: var(--accent-color);
}

body.dark-theme .social-link:hover {
    background-color: var(--text-color);
    color: var(--background-color);
}

body.dark-theme footer {
    background-color: #0a0a0a;
}

body.dark-theme .footer-nav ul li a {
    color: var(--text-color);
}

body.dark-theme .footer-nav ul li a:hover {
    color: var(--accent-color);
}

body.dark-theme .footer-copyright {
    color: #777;
}

body.dark-theme nav.main-nav {
    background-color: var(--background-color);
}

body.dark-theme .filter-btn {
    background-color: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
}

body.dark-theme .filter-btn:hover,
body.dark-theme .filter-btn.active {
    background-color: var(--text-color);
    color: var(--background-color);
}

body.dark-theme .about-image::before {
    border: 2px solid var(--accent-color);
}

/* Light Theme (Default) */
body.light-theme {
    --background-color: #ffffff;
    --text-color: #000000;
    --accent-color: #6200ee;
    --card-background: #f8f8f8;
    --card-border: #e0e0e0;
    --hover-color: #6200ee;
    
    background-color: var(--background-color);
    color: var(--text-color);
}

body.light-theme header {
    background-color: rgba(255, 255, 255, 0.95);
}

body.light-theme header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

body.light-theme .logo-text,
body.light-theme .nav-link {
    color: var(--text-color);
}

body.light-theme .menu-toggle .bar {
    background-color: var(--text-color);
}

body.light-theme .language-selector button {
    border: 1px solid var(--text-color);
    color: var(--text-color);
}

body.light-theme .language-selector button.active {
    background: var(--text-color);
    color: var(--background-color);
}

body.light-theme .section-title::after {
    background-color: var(--accent-color);
}

body.light-theme .cta-button {
    border-color: var(--text-color);
    color: var(--text-color);
}

body.light-theme .cta-button:hover {
    color: var(--background-color);
}

body.light-theme .cta-button::before {
    background-color: var(--text-color);
}

body.light-theme .section-preview {
    background-color: var(--card-background);
    border: 1px solid var(--card-border);
}

body.light-theme .preview-link {
    color: var(--accent-color);
}

body.light-theme .service-card {
    background-color: var(--card-background);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

body.light-theme .contact-item a {
    color: var(--text-color);
}

body.light-theme .contact-item a:hover {
    color: var(--accent-color);
}

body.light-theme .social-link {
    background-color: var(--text-color);
    color: var(--background-color);
}

body.light-theme .social-link:hover {
    background-color: var(--accent-color);
    color: var(--background-color);
}

body.light-theme footer {
    background-color: #f0f0f0;
    color: #333;
}

body.light-theme .footer-nav ul li a {
    color: #333;
}

body.light-theme .footer-copyright {
    color: #777;
}

body.light-theme nav.main-nav {
    background-color: var(--background-color);
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
}

.theme-toggle button {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: inherit;
    font-size: 18px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.theme-toggle button:hover {
    transform: rotate(45deg) scale(1.1);
    box-shadow: 0 7px 20px rgba(0, 0, 0, 0.25);
}

.theme-toggle button::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: var(--accent-color);
    opacity: 0;
    transition: all 0.5s ease;
    transform: translate(-50%, -50%);
    left: 50%;
    top: 50%;
}

.theme-toggle button:hover::before {
    width: 100%;
    height: 100%;
    opacity: 0.2;
}

.theme-toggle button i {
    position: relative;
    z-index: 2;
    transition: all 0.3s;
}