:root {
    --primary: #2563eb;
    --primary-hover: #1e40af;
    --python-green: #3776AB;
    --python-yellow: #FFD43B;
    --dark-bg: #0f172a;
    --light-bg: #f8fafc;
    --text: #111827;
    --text-light: #6b7280;
    --border: #e5e7eb;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 30px rgba(37, 99, 235, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    line-height: 1.6;
    background: white;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.8rem;
    font-weight: 800;
}

.python-green {
    color: var(--python-green);
}

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

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--python-green);
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--python-yellow);
    opacity: 0.4;
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 16px 32px;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.cta-btn.primary {
    background: linear-gradient(135deg, var(--python-green) 0%, #2c5282 100%);
    color: white;
}

.cta-btn.primary:hover {
    background: linear-gradient(135deg, #2c5282 0%, var(--python-green) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.cta-btn.secondary {
    background: white;
    color: var(--python-green);
    border: 2px solid var(--python-green);
}

.cta-btn.secondary:hover {
    background: var(--python-green);
    color: white;
    transform: translateY(-2px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 500px;
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
}

.stat {
    text-align: left;
}

.stat h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--python-green);
}

.stat p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Terminal */
.terminal {
    background: var(--dark-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.terminal-header {
    background: #1e293b;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.terminal-buttons span {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.terminal-buttons .red { background: #f87171; }
.terminal-buttons .yellow { background: #fbbf24; }
.terminal-buttons .green { background: #10b981; }

.terminal-title {
    color: #94a3b8;
    font-size: 0.9rem;
}

.terminal-body {
    padding: 2rem;
    font-family: 'Monaco', 'Consolas', monospace;
    color: #e2e8f0;
    line-height: 1.8;
}

.prompt {
    color: var(--python-yellow);
    font-weight: bold;
    margin-right: 10px;
}

.url {
    color: #60a5fa;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

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

.service-card {
    background: #f8fafc;
    border-radius: var(--radius);
    padding: 2.5rem;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--python-green);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-features {
    list-style: none;
    margin-top: 1.5rem;
}

.service-features li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

.service-features i {
    color: #10b981;
    font-size: 0.9rem;
}

/* About Section */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

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

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
    }
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-text > p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.tech-stack {
    margin: 2rem 0;
}

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

.tech-icons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-icon {
    background: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.tech-icon:hover {
    border-color: var(--python-green);
    color: var(--python-green);
}

.feature-list {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.feature-item i {
    font-size: 1.5rem;
    color: var(--python-green);
    margin-top: 5px;
}

.feature-item h4 {
    margin-bottom: 0.5rem;
}

/* Architecture */
.architecture {
    background: white;
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.arch-layer {
    background: #f8fafc;
    border-radius: var(--radius);
    padding: 1.5rem;
    margin: 1rem 0;
    border-left: 4px solid var(--python-green);
}

.arch-layer h5 {
    margin-bottom: 0.5rem;
    color: var(--python-green);
}

.arch-arrow {
    text-align: center;
    font-size: 1.5rem;
    color: var(--python-green);
    margin: 0.5rem 0;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: white;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto 3rem;
}

.pricing-card {
    background: #f8fafc;
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--python-green);
}

.pricing-card.popular {
    background: linear-gradient(135deg, var(--python-green) 0%, #2c5282 100%);
    color: white;
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-card.popular .price,
.pricing-card.popular .pricing-features li {
    color: white;
}

.pricing-card.popular .price-subtitle {
    color: rgba(255,255,255,0.8);
}

.pricing-card.popular .pricing-features i {
    color: var(--python-yellow);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--python-yellow);
    color: var(--dark-bg);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.pricing-card.popular .pricing-header {
    border-bottom-color: rgba(255,255,255,0.2);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin: 1rem 0;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-light);
}

.pricing-card.popular .price span {
    color: rgba(255,255,255,0.8);
}

.price-subtitle {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 2rem 0;
}

.pricing-features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

.pricing-features i {
    color: #10b981;
}

.pricing-btn {
    width: 100%;
    padding: 15px;
    background: var(--python-green);
    color: white;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
    text-align: center;
    border: none;
}

.pricing-card.popular .pricing-btn {
    background: white;
    color: var(--python-green);
}

.pricing-btn:hover {
    background: #2c5282;
    transform: translateY(-2px);
}

.pricing-card.popular .pricing-btn:hover {
    background: var(--python-yellow);
    color: var(--dark-bg);
}

.pricing-note {
    text-align: center;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.pricing-note i {
    color: var(--python-green);
    margin-right: 8px;
}

.pricing-note a {
    color: var(--python-green);
    text-decoration: none;
    font-weight: 500;
}

.pricing-note a:hover {
    text-decoration: underline;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

.contact-info h3 {
    margin-bottom: 2rem;
    color: var(--python-green);
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--python-green);
    margin-top: 5px;
}

.contact-item h4 {
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-details {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.contact-details h4 {
    margin-bottom: 1rem;
    color: var(--python-green);
}

.contact-details p {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-message {
    padding: 15px;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 500;
}

.form-message.success {
    background: #d1fae5;
    color: #059669;
    border: 2px solid #34d399;
}

.form-message.error {
    background: #fdecea;
    color: #dc2626;
    border: 2px solid #fca5a5;
}

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    background: #f8fafc;
}

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

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--python-green);
    background: white;
    box-shadow: 0 0 0 3px rgba(55, 118, 171, 0.1);
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--python-green) 0%, #2c5282 100%);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #2c5282 0%, var(--python-green) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-brand h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #94a3b8;
}

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

@media (max-width: 640px) {
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.footer-column a {
    display: block;
    color: #94a3b8;
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

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

.footer-copyright {
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.9rem;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}