/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --spacing-unit: 1rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-size: 16px;
}

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

/* Navigation */
.navbar {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    display: inline-flex;
    align-items: center;
}

.logo-mark {
    width: 28px;
    height: 28px;
    margin-right: 0.5rem;
    flex-shrink: 0;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

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

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
}

.btn-outline {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    color: var(--primary-color);
    text-decoration: none;
    border: 2px solid var(--primary-color);
    border-radius: 0.5rem;
    font-weight: 600;
    transition: background-color 0.2s, color 0.2s;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

.nav-links a.btn-github {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s;
    font-size: 1rem;
}

.btn-github:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-github svg {
    display: inline-block;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background-size: auto 100%;
    background-repeat: no-repeat;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: #000;
    background-image: 
        radial-gradient(ellipse 80% 60% at 20% 30%, rgba(247, 37, 133, 0.5) 0%, rgba(247, 37, 133, 0.2) 40%, transparent 70%),
        radial-gradient(ellipse 60% 80% at 70% 60%, rgba(167, 91, 187, 0.45) 0%, rgba(167, 91, 187, 0.25) 35%, transparent 65%),
        radial-gradient(ellipse 100% 50% at 50% 80%, rgba(103, 42, 164, 0.4) 0%, rgba(103, 42, 164, 0.2) 45%, transparent 70%),
        radial-gradient(ellipse 70% 90% at 80% 20%, rgba(247, 113, 153, 0.35) 0%, rgba(247, 113, 153, 0.15) 50%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}

.hero::after {
    content: none;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-logo {
    margin: 0 auto 2.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo-img {
    width: 200px;
    height: auto;
    max-width: 100%;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    /*animation: float 3s ease-in-out infinite;*/
}

.hero-banner {
    margin: 0 auto 2.5rem;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.35);
    max-width: 960px;
}

.hero-banner-image {
    display: block;
    width: 100%;
    height: auto;
}

.hero-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 1.25rem;
    margin: 0 auto 2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-icon svg {
    width: 40px;
    height: 40px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #f9fafb;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #e5e7eb;
    margin-bottom: 3rem;
    line-height: 1.7;
}

.carousel-container {
    margin: 3rem 0;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
}

.carousel {
    position: relative;
    width: 100%;
    max-width: 800px;
}

.carousel-item {
    position: absolute;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    padding: 1rem;
}

.carousel-item.active {
    opacity: 1;
    transform: translateY(0);
    position: relative;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 3rem;
}

.hero-cta .btn-primary {
    display: inline-flex;
    align-items: center;
}

.hero-cta .btn-primary svg {
    display: inline-block;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
    letter-spacing: -0.02em;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

/* Problem Section */
.problem {
    background-color: var(--bg-secondary);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-item {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.problem-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ef4444, #f87171);
    border-radius: 0.625rem;
    margin-bottom: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.problem-icon svg {
    width: 22px;
    height: 22px;
}

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

.problem-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.problem-result {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Solution Section */
.solution {
    background-color: var(--bg-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-item {
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.benefit-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 0.625rem;
    margin-bottom: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.benefit-icon svg {
    width: 22px;
    height: 22px;
}

.benefit-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.benefit-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Features Section */
.features {
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

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

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Use Cases */
.use-cases {
    background-color: var(--bg-primary);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.use-case-card {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.use-case-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 0.625rem;
    margin-bottom: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.use-case-icon svg {
    width: 22px;
    height: 22px;
}

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

.use-case-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Technical Section */
.technical {
    background-color: var(--bg-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-category {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    text-align: center;
}

.tech-category h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.tech-category p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* AI & Process Section */
.ai-process {
    background-color: var(--bg-primary);
}

.ai-process-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 4rem;
    margin-top: 3rem;
}

.ai-section,
.process-section {
    background-color: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.ai-section h2,
.process-section h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    margin: 1.5rem 0;
}

.feature-list li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Future Section */
.future {
    background-color: var(--bg-secondary);
}

.future-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.future-item {
    background-color: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    text-align: center;
    font-weight: 500;
    color: var(--text-primary);
    transition: transform 0.2s, border-color 0.2s;
}

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

.future-conclusion {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 3rem auto 0;
    line-height: 1.7;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-align: center;
}

.cta .section-title {
    color: white;
}

.cta-text {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

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

.cta .btn-primary {
    background-color: white;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
}

.cta .btn-primary svg {
    display: inline-block;
}

.cta .btn-primary:hover {
    background-color: var(--bg-secondary);
}

.cta .btn-outline {
    border-color: white;
    color: white;
}

.cta .btn-outline:hover {
    background-color: white;
    color: var(--primary-color);
}

.trust-indicators {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-item {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.contact-option {
    background-color: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
}

.contact-option h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: border-color 0.2s;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

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

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: background-color 0.2s, border-color 0.2s;
}

.contact-link:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.contact-link svg {
    flex-shrink: 0;
}

/* FAQ Section */
.faq {
    background-color: var(--bg-primary);
}

.faq-list {
    max-width: 900px;
    margin: 3rem auto 0;
}

.faq-item {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

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

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Footer */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 280px;
        background-color: var(--bg-primary);
        backdrop-filter: blur(10px);
        background-color: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .mobile-menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        animation: fadeIn 0.3s ease;
    }
    
    .mobile-menu-overlay.active {
        display: block;
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
    
    .nav-links a {
        width: 100%;
        padding: 0.75rem 0;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links a.btn-github {
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .ai-process-content {
        grid-template-columns: 1fr;
    }
    
    .contact-options {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
}