:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --bg-dark: #0a0a0a;
    --bg-card: #1a1a2e;
    --text: #ffffff;
    --text-muted: #a1a1aa;
    --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text);
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a2e 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: #a5b4fc;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-examples {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.example-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    font-size: 14px;
    color: var(--text-muted);
}

.example-icon {
    font-size: 20px;
}

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

.robot-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.robot {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

.robot-head {
    width: 200px;
    height: 200px;
    background: var(--gradient);
    border-radius: 40px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.4);
}

.robot-screen {
    width: 160px;
    height: 120px;
    background: #1a1a2e;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.eye {
    width: 24px;
    height: 24px;
    background: #4ade80;
    border-radius: 50%;
    animation: blink 4s infinite;
}

@keyframes blink {
    0%, 90%, 100% { transform: scaleY(1); }
    95% { transform: scaleY(0.1); }
}

.robot-body {
    width: 120px;
    height: 160px;
    background: linear-gradient(180deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 30px;
    margin: -20px auto 0;
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.3);
}

/* Features */
.features {
    padding: 120px 0;
    background: var(--bg-dark);
}

.features h2, .solutions h2, .pricing h2, .contact h2 {
    text-align: center;
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 18px;
    margin-bottom: 64px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Solutions */
.solutions {
    padding: 120px 0;
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a2e 100%);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.solution-card {
    padding: 32px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s;
}

.solution-card:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
}

.solution-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.solution-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.solution-card p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Pricing */
.pricing {
    padding: 120px 0;
    background: var(--bg-dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    position: relative;
}

.pricing-card.featured {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.4);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: #4ade80;
    color: #000;
    font-size: 12px;
    font-weight: 700;
    border-radius: 100px;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.price {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 24px;
}

.price span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-muted);
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-card li {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    color: var(--text-muted);
}

.pricing-card li::before {
    content: "✓ ";
    color: #4ade80;
}

.pricing-card .btn-secondary,
.pricing-card .btn-primary {
    width: 100%;
    justify-content: center;
}

/* Contact */
.contact {
    padding: 120px 0;
    background: linear-gradient(180deg, #1a1a2e 0%, #0a0a0a 100%);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: var(--text);
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s;
}

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

.form-group select {
    cursor: pointer;
}

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

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: #0a0a0a;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
    font-size: 14px;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 32px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-examples {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-visual {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .features-grid,
    .solutions-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}