/* Global Styles */
:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Header & Navigation */
.header {
    position: fixed;
    width: 100%;
    top: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.2;
}

.logo-top {
    font-size: 1.8rem;
}

.logo-bottom {
    font-size: 1.2rem;
}

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

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

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1rem;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #4b5563;
}

.code-animation {
    margin: 2rem auto;
    max-width: 800px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.code-transform {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.code-before, .code-after {
    flex: 1;
    background: #1f2937;
    color: #e5e7eb;
    padding: 1.5rem;
    border-radius: 8px;
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    overflow: hidden;
    white-space: pre-wrap;
}

.transform-arrow {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: bold;
}

@media (max-width: 768px) {
    .code-transform {
        flex-direction: column;
        gap: 1rem;
    }
    
    .transform-arrow {
        transform: rotate(90deg);
    }
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
}

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

/* Technology Overview Section */
.tech-overview {
    padding: 5rem 1rem;
    background: var(--light-bg);
}

/* Use Cases Section */
.use-cases {
    padding: 5rem 1rem;
    background: var(--white);
}

.use-cases h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.use-case-card {
    background: var(--light-bg);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.use-case-card:hover {
    transform: translateY(-5px);
}

.use-case-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.use-case-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.use-case-header h3 {
    font-size: 1.5rem;
    color: var(--text-color);
}

.before-after {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.before h4, .after h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.before ul, .after ul {
    list-style: none;
}

.before ul li, .after ul li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    position: relative;
    padding-left: 1.5rem;
}

.before ul li:before, .after ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.success-metrics {
    display: flex;
    justify-content: space-around;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.metric {
    text-align: center;
}

.metric .value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.metric .label {
    font-size: 0.9rem;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .before-after {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

.tech-overview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.tech-card:hover {
    transform: translateY(-5px);
}

.tech-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.tech-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.tech-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.tech-features li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

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

.tech-metric {
    margin-top: 1.5rem;
}

.metric-bar {
    height: 6px;
    background: #e5e7eb;
    border-radius: 3px;
    margin-bottom: 0.5rem;
    position: relative;
    overflow: hidden;
}

.metric-bar:after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: var(--primary-color);
    width: var(--percentage);
    transition: width 1.5s ease;
}

.metric-bar[data-percentage="150"]:after {
    --percentage: 150%;
}

.metric-bar[data-percentage="200"]:after {
    --percentage: 200%;
}

.metric-bar[data-percentage="100"]:after {
    --percentage: 100%;
}

/* Services Section */
.services {
    padding: 5rem 1rem;
    background: var(--white);
}

.services h2,
.about h2,
.portfolio h2,
.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    padding: 2rem;
    text-align: center;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* About Section */
.about {
    padding: 5rem 1rem;
    background: var(--light-bg);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* Portfolio Section */
.portfolio {
    padding: 5rem 1rem;
    background: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(100%);
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

/* Contact Section */
.contact {
    padding: 5rem 1rem;
    background: var(--light-bg);
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.contact-form {
    display: none;
}

.contact-form.active {
    display: flex;
}

.contact-form select {
    padding: 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
    font-family: inherit;
    background: var(--white);
    color: var(--text-color);
}

.contact-form select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.business-form {
    gap: 1.25rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
    font-family: inherit;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.submit-btn {
    padding: 1rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: var(--white);
    padding: 4rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
}

/* Mobile Menu */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-color);
    transition: var(--transition);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        transition: var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Developer Showcase */
.ai-showcase {
    padding: 5rem 1rem;
    background: var(--white);
}

.showcase-container {
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-description {
    text-align: center;
    margin-bottom: 3rem;
}

.showcase-description h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.code-demo {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: center;
}

.code-panel {
    background: #1f2937;
    border-radius: 8px;
    padding: 1.5rem;
    color: var(--white);
}

.code-panel h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.rust-code {
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
    color: #e5e7eb;
}

.optimization-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--primary-color);
}

.step i {
    font-size: 1.5rem;
}

.optimization-metrics {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.metric .label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.metric .value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 8px;
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature h4 {
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .code-demo {
        grid-template-columns: 1fr;
    }
    
    .optimization-steps {
        flex-direction: row;
        justify-content: center;
    }
    
    .ai-features {
        grid-template-columns: 1fr;
    }
}

/* Quantum Computing Section */
.quantum-computing {
    padding: 5rem 0;
    background: linear-gradient(120deg, #1a365d 0%, #2d3748 50%, #4a5568 100%);
    color: var(--white);
}

.quantum-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.quantum-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

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

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    transition: all 0.4s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 2rem;
    color: var(--white);
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.4s ease;
}
/* Development Timeline */
.development-timeline {
    max-width: 1200px;
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.development-timeline h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.timeline-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
}

.timeline-item.current {
    border: 2px solid var(--primary-color);
}

.timeline-date {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.timeline-content h4 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.timeline-content ul {
    list-style: none;
}

.timeline-content ul li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.timeline-content ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.form-message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    text-align: center;
}

.form-message.success {
    background: #10b981;
    color: var(--white);
}

.form-message.error {
    background: #ef4444;
    color: var(--white);
}

.contact-form input.error,
.contact-form select.error,
.contact-form textarea.error {
    border-color: #ef4444;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: var(--white);
    padding: 4rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
}

/* Mobile Menu */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-color);
    transition: var(--transition);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        transition: var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Developer Showcase */
.ai-showcase {
    padding: 5rem 1rem;
    background: var(--white);
}

.showcase-container {
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-description {
    text-align: center;
    margin-bottom: 3rem;
}

.showcase-description h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.code-demo {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: center;
}

.code-panel {
    background: #1f2937;
    border-radius: 8px;
    padding: 1.5rem;
    color: var(--white);
}

.code-panel h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.rust-code {
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
    color: #e5e7eb;
}

.optimization-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--primary-color);
}

.step i {
    font-size: 1.5rem;
}

.optimization-metrics {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.metric .label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.metric .value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 8px;
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature h4 {
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .code-demo {
        grid-template-columns: 1fr;
    }
    
    .optimization-steps {
        flex-direction: row;
        justify-content: center;
    }
    
    .ai-features {
        grid-template-columns: 1fr;
    }
}

/* Quantum Computing Section */
.quantum-computing {
    padding: 5rem 0;
    background: linear-gradient(120deg, #1a365d 0%, #2d3748 50%, #4a5568 100%);
    color: var(--white);
}

.quantum-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.quantum-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

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

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    transition: all 0.4s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 2rem;
    color: var(--white);
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.4s ease;
}
/* Development Timeline */
.development-timeline {
    max-width: 1200px;
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.development-timeline h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.timeline-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
}

.timeline-item.current {
    border: 2px solid var(--primary-color);
}

.timeline-date {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.timeline-content h4 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.timeline-content ul {
    list-style: none;
}

.timeline-content ul li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.timeline-content ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.form-message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    text-align: center;
}

.form-message.success {
    background: #10b981;
    color: var(--white);
}

.form-message.error {
    background: #ef4444;
    color: var(--white);
}

.contact-form input.error,
.contact-form select.error,
.contact-form textarea.error {
    border-color: #ef4444;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: var(--white);
    padding: 4rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
}

/* Mobile Menu */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-color);
    transition: var(--transition);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        transition: var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Developer Showcase */
.ai-showcase {
    padding: 5rem 1rem;
    background: var(--white);
}

.showcase-container {
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-description {
    text-align: center;
    margin-bottom: 3rem;
}

.showcase-description h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.code-demo {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: center;
}

.code-panel {
    background: #1f2937;
    border-radius: 8px;
    padding: 1.5rem;
    color: var(--white);
}

.code-panel h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.rust-code {
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
    color: #e5e7eb;
}

.optimization-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--primary-color);
}

.step i {
    font-size: 1.5rem;
}

.optimization-metrics {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.metric .label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.metric .value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 8px;
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature h4 {
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .code-demo {
        grid-template-columns: 1fr;
    }
    
    .optimization-steps {
        flex-direction: row;
        justify-content: center;
    }
    
    .ai-features {
        grid-template-columns: 1fr;
    }
}

/* Quantum Computing Section */
.quantum-computing {
    padding: 5rem 0;
    background: linear-gradient(120deg, #1a365d 0%, #2d3748 50%, #4a5568 100%);
    color: var(--white);
}

.quantum-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.quantum-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

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

.quantum-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.quantum-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.quantum-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.quantum-features-list {
    list-style: none;
    margin-top: 1rem;
}

.quantum-features-list li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.quantum-features-list li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Development Timeline */
.development-timeline {
    max-width: 1200px;
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.development-timeline h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.timeline-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
}

.timeline-item.current {
    border: 2px solid var(--primary-color);
}

.timeline-date {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.timeline-content h4 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.timeline-content ul {
    list-style: none;
}

.timeline-content ul li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.timeline-content ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.form-message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    text-align: center;
}

.form-message.success {
    background: #10b981;
    color: var(--white);
}

.form-message.error {
    background: #ef4444;
    color: var(--white);
}

.contact-form input.error,
.contact-form select.error,
.contact-form textarea.error {
    border-color: #ef4444;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: var(--white);
    padding: 4rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
}

/* Mobile Menu */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-color);
    transition: var(--transition);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        transition: var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Developer Showcase */
.ai-showcase {
    padding: 5rem 1rem;
    background: var(--white);
}

.showcase-container {
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-description {
    text-align: center;
    margin-bottom: 3rem;
}

.showcase-description h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.code-demo {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: center;
}

.code-panel {
    background: #1f2937;
    border-radius: 8px;
    padding: 1.5rem;
    color: var(--white);
}

.code-panel h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.rust-code {
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
    color: #e5e7eb;
}

.optimization-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--primary-color);
}

.step i {
    font-size: 1.5rem;
}

.optimization-metrics {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.metric .label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.metric .value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 8px;
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature h4 {
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .code-demo {
        grid-template-columns: 1fr;
    }
    
    .optimization-steps {
        flex-direction: row;
        justify-content: center;
    }
    
    .ai-features {
        grid-template-columns: 1fr;
    }
}

/* Quantum Computing Section */
.quantum-computing {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.quantum-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.quantum-intro h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.quantum-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.quantum-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.quantum-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.quantum-features-list {
    list-style: none;
    margin-top: 1rem;
}

.quantum-features-list li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.quantum-features-list li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Development Timeline */
.development-timeline {
    max-width: 1200px;
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.development-timeline h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.timeline-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
}

.timeline-item.current {
    border: 2px solid var(--primary-color);
}

.timeline-date {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.timeline-content h4 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.timeline-content ul {
    list-style: none;
}

.timeline-content ul li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.timeline-content ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.form-message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    text-align: center;
}

.form-message.success {
    background: #10b981;
    color: var(--white);
}

.form-message.error {
    background: #ef4444;
    color: var(--white);
}

.contact-form input.error,
.contact-form select.error,
.contact-form textarea.error {
    border-color: #ef4444;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: var(--white);
    padding: 4rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
}

/* Mobile Menu */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-color);
    transition: var(--transition);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        transition: var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Developer Showcase */
.ai-showcase {
    padding: 5rem 1rem;
    background: var(--white);
}

.showcase-container {
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-description {
    text-align: center;
    margin-bottom: 3rem;
}

.showcase-description h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.code-demo {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: center;
}

.code-panel {
    background: #1f2937;
    border-radius: 8px;
    padding: 1.5rem;
    color: var(--white);
}

.code-panel h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.rust-code {
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
    color: #e5e7eb;
}

.optimization-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--primary-color);
}

.step i {
    font-size: 1.5rem;
}

.optimization-metrics {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.metric .label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.metric .value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 8px;
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature h4 {
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .code-demo {
        grid-template-columns: 1fr;
    }
    
    .optimization-steps {
        flex-direction: row;
        justify-content: center;
    }
    
    .ai-features {
        grid-template-columns: 1fr;
    }
}

/* Quantum Computing Section */
.quantum-computing {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.quantum-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.quantum-intro h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.quantum-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.quantum-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.quantum-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.quantum-features-list {
    list-style: none;
    margin-top: 1rem;
}

.quantum-features-list li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.quantum-features-list li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Development Timeline */
.development-timeline {
    max-width: 1200px;
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.development-timeline h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.timeline-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
}

.timeline-item.current {
    border: 2px solid var(--primary-color);
}

.timeline-date {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.timeline-content h4 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.timeline-content ul {
    list-style: none;
}

.timeline-content ul li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.timeline-content ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.form-message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    text-align: center;
}

.form-message.success {
    background: #10b981;
    color: var(--white);
}

.form-message.error {
    background: #ef4444;
    color: var(--white);
}

.contact-form input.error,
.contact-form select.error,
.contact-form textarea.error {
    border-color: #ef4444;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: var(--white);
    padding: 4rem 1rem 1rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
}

/* Mobile Menu */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-color);
    transition: var(--transition);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        transition: var(--transition);
    }

    .nav-links.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Developer Showcase */
.ai-showcase {
    padding: 5rem 1rem;
    background: var(--white);
}

.showcase-container {
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-description {
    text-align: center;
    margin-bottom: 3rem;
}

.showcase-description h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.code-demo {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: center;
}

.code-panel {
    background: #1f2937;
    border-radius: 8px;
    padding: 1.5rem;
    color: var(--white);
}

.code-panel h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.rust-code {
    font-family: 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
    color: #e5e7eb;
}

.optimization-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--primary-color);
}

.step i {
    font-size: 1.5rem;
}

.optimization-metrics {
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.metric .label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.metric .value {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 8px;
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature h4 {
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .code-demo {
        grid-template-columns: 1fr;
    }
    
    .optimization-steps {
        flex-direction: row;
        justify-content: center;
    }
    
    .ai-features {
        grid-template-columns: 1fr;
    }
}

/* Quantum Computing Section */
.quantum-computing {
    padding: 5rem 0;
    background: linear-gradient(120deg, #1a365d 0%, #2d3748 50%, #4a5568 100%);
    color: var(--white);
}

.quantum-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.quantum-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color);
}

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

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    transition: all 0.4s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 2rem;
    color: var(--white);
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.4s ease;
}
/* Development Timeline */
.development-timeline {
    max-width: 1200px;
    margin: 4rem auto 0;
    padding: 0 2rem;
}

.development-timeline h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

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

.timeline-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
}

.timeline-item.current {
    border: 2px solid var(--primary-color);
}

.timeline-date {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.timeline-content h4 {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.timeline-content ul {
    list-style: none;
}

.timeline-content ul li {
    padding: 0.5rem 0;
    color: var(--text-color);
    position: relative;
    padding-left: 1.5rem;
}

.timeline-content ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.form-message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    text-align: center;
}

.form-message.success {
    background: #10b981;
    color: var(--white);
}

.form-message.error {
    background: #ef4444;
    color: var(--white);
}