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

:root {
    --bg-primary: #0a0e14;
    --bg-secondary: #111822;
    --bg-tertiary: #1a1f2e;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-primary: #00f0ff;
    --accent-secondary: #7ee787;
    --accent-warning: #ffa657;
    --border-color: #30363d;
    --terminal-green: #7ee787;
    --terminal-cyan: #00f0ff;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 20, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 20px 0;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Courier New', monospace;
}

.logo .prompt {
    color: var(--terminal-cyan);
    font-size: 20px;
}

.nav-cta {
    padding: 10px 24px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
}

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    position: relative;
}

.terminal-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 60px;
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
}

.terminal-buttons span:nth-child(1) {
    background: #ff5f56;
}

.terminal-buttons span:nth-child(2) {
    background: #ffbd2e;
}

.terminal-buttons span:nth-child(3) {
    background: #27c93f;
}

.terminal-title {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 24px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.8;
}

.terminal-line {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.terminal-line.delay-1 {
    animation-delay: 1.5s;
}

.terminal-line.delay-2 {
    animation-delay: 2.5s;
}

.terminal-line.delay-3 {
    animation-delay: 3.5s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.prompt {
    color: var(--terminal-cyan);
    font-weight: bold;
    flex-shrink: 0;
}

.prompt.agent {
    color: var(--terminal-green);
}

.prompt.success {
    color: var(--terminal-green);
}

.command {
    color: var(--accent-warning);
}

.output {
    color: var(--text-secondary);
}

.output.success {
    color: var(--terminal-green);
}

.typed-text {
    overflow: hidden;
    border-right: 2px solid var(--accent-warning);
    white-space: nowrap;
    animation: typing 1.2s steps(50) 0.3s forwards, blink 0.75s step-end infinite;
    width: 0;
}

@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
        border-right: none;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

.hero-content {
    text-align: center;
}

.hero-content h1 {
    font-size: 64px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--terminal-cyan);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

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

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
    width: 100%;
}

/* Sections */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-prompt {
    font-family: 'Courier New', monospace;
    color: var(--accent-secondary);
    font-size: 14px;
    display: block;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

/* How It Works */
.section-how {
    background: var(--bg-secondary);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.process-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    position: relative;
    transition: all 0.3s ease;
}

.process-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.1);
    transform: translateY(-4px);
}

.process-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 48px;
    font-weight: 700;
    color: var(--border-color);
    font-family: 'Courier New', monospace;
}

.process-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.process-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.process-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.code-snippet {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--accent-secondary);
}

/* Modes Section */
.modes-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.mode-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
}

.mode-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--accent-primary);
    color: var(--bg-primary);
    font-size: 12px;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 16px;
    font-family: 'Courier New', monospace;
}

.mode-badge.edit {
    background: var(--accent-secondary);
}

.mode-block h3 {
    font-size: 28px;
    margin-bottom: 24px;
}

.chat-simulation {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-msg {
    display: flex;
}

.chat-msg.user {
    justify-content: flex-end;
}

.chat-msg.agent {
    justify-content: flex-start;
}

.chat-bubble {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 18px;
    max-width: 85%;
    font-size: 14px;
    line-height: 1.5;
}

.chat-msg.user .chat-bubble {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.chat-bubble.status {
    background: var(--bg-primary);
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
    font-family: 'Courier New', monospace;
    font-size: 13px;
}

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

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.use-case {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s ease;
}

.use-case:hover {
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
}

.use-case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.use-case-type {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-secondary);
    font-weight: 600;
}

.use-case-time {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

.use-case h4 {
    font-size: 20px;
    margin-bottom: 16px;
}

.use-case ul {
    list-style: none;
}

.use-case li {
    padding-left: 20px;
    position: relative;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

.use-case li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* Trust Section */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.trust-stat {
    text-align: center;
    padding: 32px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.stat-value {
    font-size: 42px;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: 'Courier New', monospace;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.trust-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.trust-feature {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.trust-feature .check {
    color: var(--accent-secondary);
    font-size: 20px;
    font-weight: bold;
    flex-shrink: 0;
}

.trust-feature strong {
    display: block;
    margin-bottom: 4px;
    font-size: 16px;
}

.trust-feature p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

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

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--accent-primary);
}

.faq-icon {
    font-size: 24px;
    color: var(--accent-primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* CTA Section */
.section-cta {
    background: var(--bg-primary);
}

.cta-terminal {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.cta-content {
    padding: 48px 40px;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 12px;
    text-align: center;
}

.cta-content > p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.form-success.show {
    display: block;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
    color: var(--bg-primary);
}

.form-success h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

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

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 12px;
}

.footer-col h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.footer-col a {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: 12px;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-header h2 {
        font-size: 36px;
    }

    .modes-container {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .terminal-body {
        font-size: 12px;
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    section {
        padding: 60px 0;
    }

    .cta-content {
        padding: 32px 24px;
    }
}