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

:root {
    --primary-color: #0a0e27;
    --secondary-color: #1a1f3a;
    --accent-color: #00d4ff;
    --accent-dark: #0099cc;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #7a8b9a;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    --gradient-secondary: linear-gradient(135deg, #1a1f3a 0%, #0a0e27 100%);
    --border-color: #2a3441;
    --shadow-color: rgba(0, 212, 255, 0.1);
    --code-bg: #0d1117;
    --code-text: #f0f6fc;
    --code-keyword: #ff7b72;
    --code-string: #a5d6ff;
    --code-variable: #79c0ff;
    --code-function: #d2a8ff;
    --code-operator: #f0f6fc;
    --code-bracket: #f0f6fc;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--primary-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Fira Code', monospace;
    font-weight: 600;
    line-height: 1.2;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo .logo-text {
    font-family: 'Fira Code', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-decoration: none;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.contact-email {
    background: var(--gradient-primary);
    color: var(--primary-color) !important;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 600;
}

.contact-email:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-secondary);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0, 153, 204, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.code-symbol {
    color: var(--accent-color);
    font-size: 0.8em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Code Animation */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.code-animation {
    background: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    font-family: 'Fira Code', monospace;
    font-size: 1.1rem;
    line-height: 1.8;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.code-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

.code-line {
    margin: 0.5rem 0;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.code-line:nth-child(1) { animation-delay: 0.2s; }
.code-line:nth-child(2) { animation-delay: 0.4s; }
.code-line:nth-child(3) { animation-delay: 0.6s; }
.code-line:nth-child(4) { animation-delay: 0.8s; }

.indent {
    padding-left: 2rem;
}

.code-keyword { color: var(--code-keyword); }
.code-string { color: var(--code-string); }
.code-variable { color: var(--code-variable); }
.code-function { color: var(--code-function); }
.code-operator { color: var(--code-operator); }
.code-bracket { color: var(--code-bracket); }

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    color: var(--accent-color);
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 30%;
    right: 15%;
    animation-delay: 1.5s;
}

.floating-icon:nth-child(3) {
    bottom: 30%;
    left: 20%;
    animation-delay: 3s;
}

.floating-icon:nth-child(4) {
    bottom: 20%;
    right: 10%;
    animation-delay: 4.5s;
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: var(--secondary-color);
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

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

.service-card {
    background: var(--primary-color);
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.05), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 35px var(--shadow-color);
}

.service-icon {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

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

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

/* Vision Section */
.vision {
    padding: 6rem 0;
    background: var(--primary-color);
}

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

.vision-text p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 600;
}

.contact-item i {
    font-size: 1.2rem;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

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

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

.footer-contact p {
    color: var(--accent-color);
    font-weight: 600;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Join Page Styles */
.join-section {
    padding: 8rem 0 6rem;
    background: var(--gradient-secondary);
    min-height: 100vh;
}

.join-header {
    text-align: center;
    margin-bottom: 4rem;
}

.join-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.join-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

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

.join-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-card {
    background: var(--primary-color);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.info-card h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.info-card li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 0.8rem;
}

.contact-form-container {
    background: var(--primary-color);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.form-header p {
    color: var(--text-secondary);
}

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

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

.form-group label {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Fira Code', monospace;
}

.form-group input,
.form-group textarea {
    background: var(--secondary-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

.submit-btn {
    background: var(--gradient-primary);
    color: var(--primary-color);
    padding: 1.2rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-note {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

.form-note p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-info-section {
    padding: 4rem 0;
    background: var(--secondary-color);
}

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

.contact-item {
    text-align: center;
    padding: 2rem;
    background: var(--primary-color);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.contact-item h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.contact-item p {
    color: var(--text-secondary);
    font-weight: 600;
}

/* Success/Error Messages */
.message {
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    font-weight: 600;
    display: none;
}

.message.success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid #22c55e;
    color: #22c55e;
}

.message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #ef4444;
    color: #ef4444;
}

.message.show {
    display: block;
    animation: slideInDown 0.3s ease;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .join-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .join-title {
        font-size: 2.5rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* AI Projects Page Styles */
.ai-projects-header {
    padding: 8rem 0 4rem;
    background: var(--gradient-secondary);
    text-align: center;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.header-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 1.5rem;
    line-height: 1.7;
}

.ai-tool-section {
    padding: 4rem 0;
    background: var(--primary-color);
}

.tool-card {
    background: var(--secondary-color);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
}

.tool-icon {
    font-size: 3rem;
    color: var(--accent-color);
    min-width: 80px;
    text-align: center;
}

.tool-info h2 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.tool-info p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.tool-content {
    padding: 2rem;
}

.input-section {
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-family: 'Fira Code', monospace;
}

.input-container {
    position: relative;
}

.input-container textarea {
    width: 100%;
    background: var(--primary-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    resize: vertical;
    min-height: 120px;
    transition: all 0.3s ease;
}

.input-container textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.input-actions {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
}

.btn-clear {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.btn-clear:hover {
    color: var(--accent-color);
    background: rgba(0, 212, 255, 0.1);
}

.btn-verify {
    background: var(--gradient-primary);
    color: var(--primary-color);
    border: none;
    border-radius: 50px;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.btn-verify:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.btn-verify:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.results-section {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--primary-color);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.result-verdict {
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 1.1rem;
}

.verdict-true {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 2px solid #22c55e;
}

.verdict-false {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 2px solid #ef4444;
}

.verdict-unclear {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    border: 2px solid #f59e0b;
}

.confidence-score {
    background: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    text-align: center;
}

.confidence-score h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.confidence-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.confidence-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    margin-top: 1rem;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 1s ease;
}

.sources-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.sources-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.source-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--secondary-color);
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    transition: all 0.3s ease;
}

.source-item:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.1);
}

.source-item a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
}

.source-item a:hover {
    text-decoration: underline;
}

.source-reliability {
    margin-left: auto;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.reliability-high {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.reliability-medium {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.reliability-low {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.explanation {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

.explanation h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.explanation p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 6rem 0;
    background: var(--secondary-color);
}

.workflow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 3rem;
}

.workflow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 200px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step-content h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.workflow-arrow {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin: 0 1rem;
}

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

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

.feature-card {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 15px 35px var(--shadow-color);
}

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

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

/* Responsive Design for AI Projects */
@media (max-width: 768px) {
    .tool-header {
        flex-direction: column;
        text-align: center;
    }
    
    .workflow {
        flex-direction: column;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
        margin: 1rem 0;
    }
    
    .result-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .code-animation {
        padding: 1.5rem;
        font-size: 1rem;
    }
    
    .tool-content {
        padding: 1rem;
    }
    
    .results-section {
        padding: 1rem;
    }
}