/* styles.css */
:root {
    --primary-color: #4a90e2;
    --primary-hover: #3a7cc2;
    --accent-color: #50e3c2;
    --text-color: #333;
    --bg-color: #fff;
    --bg-secondary: #f8f9fa;
    --border-color: #ddd;
}

[data-theme="dark"] {
    --primary-color: #4a90e2;
    --primary-hover: #5ba3f5;
    --accent-color: #50e3c2;
    --text-color: #eee;
    --bg-color: #1a1a1a;
    --bg-secondary: #2c2c2c;
    --border-color: #444;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 3rem;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.6rem;
    font-weight: 600;
}

.logo-img {
    width: 45px;
    height: 45px;
    margin-right: 0.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

#theme-toggle {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

#theme-toggle:hover {
    transform: scale(1.1);
}

.hero, .paradigm-shift, .solutions-teaser, .manifesto, .our-story, .rag-explained, .ic-advantage, .ethical-ai, .final-cta {
    padding: 5rem 3rem;
    text-align: center;
}

.hero {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-secondary);
    min-height: 60vh;
}

.hero-content {
    max-width: 55%;
    text-align: left;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.cta-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.hero-graphic, .about-graphic, .contact-graphic, .shift-graphic, .teaser-graphic, .manifesto-graphic, .story-graphic, .rag-graphic, .advantage-graphic, .ethical-graphic {
    max-width: 40%;
    opacity: 0.9;
    transition: opacity 0.3s ease;
    margin: 2rem auto;
}

.hero-graphic:hover, .about-graphic:hover, .contact-graphic:hover, .shift-graphic:hover, .teaser-graphic:hover, .manifesto-graphic:hover, .story-graphic:hover, .rag-graphic:hover, .advantage-graphic:hover, .ethical-graphic:hover {
    opacity: 1;
}

.shift-grid, .teaser-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.shift-column, .teaser-item {
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

.shift-column:hover, .teaser-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.features, .products-section {
    padding: 5rem 3rem;
    text-align: center;
}

.feature-grid, .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-item, .product-item {
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

.feature-item:hover, .product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.icon, .product-icon {
    margin-bottom: 1.5rem;
    width: 60px;
    height: 60px;
}

.values-list, .product-features {
    list-style: none;
    padding: 0;
    text-align: left;
    max-width: 800px;
    margin: 2rem auto;
}

.values-list li, .product-features li {
    margin-bottom: 1.2rem;
    padding-left: 1.5rem;
    position: relative;
}

.values-list li::before, .product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.contact-section {
    padding: 5rem 3rem;
    text-align: center;
}

.contact-info {
    margin: 3rem auto;
    max-width: 600px;
    text-align: left;
}

.feedback-form {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
}

.feedback-form label {
    display: block;
    margin-top: 1.5rem;
    font-weight: 500;
}

.feedback-form input, .feedback-form textarea, .feedback-form select {
    width: 100%;
    padding: 0.8rem;
    margin-top: 0.5rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.feedback-form input:focus, .feedback-form textarea:focus, .feedback-form select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.call-to-action {
    margin-top: 3rem;
    font-size: 1.2rem;
}

.final-cta {
    background-color: var(--bg-secondary);
    padding: 4rem 3rem;
}

footer {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

    .hero-graphic, .shift-graphic, .teaser-graphic, .manifesto-graphic, .story-graphic, .rag-graphic, .advantage-graphic, .ethical-graphic {
        max-width: 100%;
        margin-bottom: 3rem;
    }

    .navbar {
        flex-direction: column;
        padding: 1rem;
    }

    .nav-links {
        margin-top: 1rem;
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }

    .nav-links li {
        margin: 0.5rem 1rem;
    }

    .shift-grid, .teaser-grid, .feature-grid, .product-grid {
        grid-template-columns: 1fr;
    }
}