/* Voice2GPT Dark Theme Styles */

/* Dark Theme Variables */
.dark-theme {
    --primary-color: #60a5fa;
    --secondary-color: #3b82f6;
    --accent-color: #1d4ed8;
    --text-color: #f9fafb;
    --text-light: #d1d5db;
    --text-muted: #9ca3af;
    --background-color: #0f0f0f;
    --surface-color: #1a1a1a;
    --surface-light: #262626;
    --border-color: #374151;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 20px 25px rgba(0, 0, 0, 0.5);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

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

/* Dark Navigation */
.navbar.dark {
    background: rgba(15, 15, 15, 0.95);
    border-bottom: 1px solid var(--border-color);
}

.navbar.dark .logo-text {
    color: var(--primary-color);
}

.navbar.dark .logo-subtitle {
    color: var(--text-muted);
}

.navbar.dark .nav-link {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

.logo-link {
    text-decoration: none;
    color: inherit;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
    padding: 6rem 0 4rem;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #000;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.1;
    font-family: 'JetBrains Mono', monospace;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-light);
}

.btn-outline:hover {
    background: var(--surface-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-align: center;
    margin-bottom: 3rem;
    font-family: 'JetBrains Mono', monospace;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--surface-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--background-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.icon-circle {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    padding: 6rem 0;
    background: var(--background-color);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.screenshot-item {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.screenshot-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.screenshot-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    cursor: pointer;
    transition: var(--transition);
}

.screenshot-img:hover {
    transform: scale(1.02);
}

.screenshot-caption {
    padding: 1.5rem;
}

.screenshot-caption h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.screenshot-caption p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Use Cases Section */
.use-cases {
    padding: 6rem 0;
    background: var(--surface-color);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.use-case {
    background: var(--background-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.use-case:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.use-case h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.use-case p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 6rem 0;
    background: var(--background-color);
    text-align: center;
}

.download-content {
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-light);
}

.download-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.system-requirements {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    text-align: left;
    max-width: 500px;
    margin: 0 auto;
}

.system-requirements h4 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.system-requirements ul {
    list-style: none;
    padding: 0;
}

.system-requirements li {
    color: var(--text-muted);
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.system-requirements li::before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* Support Section */
.support {
    padding: 6rem 0;
    background: var(--surface-color);
}

.support-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.support-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
}

.support-text p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.support-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Footer */
.footer {
    background: var(--background-color);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: var(--text-color);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
}

.footer-info p {
    color: var(--text-muted);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .nav-menu {
        display: none;
    }

    .support-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .features-grid,
    .screenshots-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 5rem 0 3rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
    }

    .btn-large {
        padding: 0.875rem 1.75rem;
        font-size: 1rem;
    }
}

/* FAQ Section */
.faq {
    padding: 6rem 0;
    background: var(--background-color);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.faq-item:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.faq-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.faq-item p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .faq-item {
        padding: 1.5rem;
    }

    .faq-item h3 {
        font-size: 1.1rem;
    }
}

/* Image Modal */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: pointer;
}

.image-modal.active {
    opacity: 1;
    visibility: visible;
}

.image-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.image-modal.active .image-modal-content {
    transform: scale(1);
}

.image-modal-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
}

.image-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    color: #000;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.image-modal-close:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.image-modal-info {
    position: absolute;
    bottom: -60px;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--text-light);
}

.image-modal-info h4 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.image-modal-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .image-modal-close {
        top: -35px;
        width: 25px;
        height: 25px;
        font-size: 16px;
    }

    .image-modal-info {
        bottom: -50px;
    }

    .image-modal-content {
        max-width: 95vw;
        max-height: 80vh;
    }
}