:root {
    --color-primary: #1a1a1a;
    --color-secondary: #2d2d2d;
    --color-accent: #ff6b35;
    --color-accent-dark: #e55a2b;
    --color-text: #ffffff;
    --color-text-light: #b0b0b0;
    --color-bg: #0a0a0a;
    --color-surface: #141414;
    --color-border: #333333;
    --color-success: #4caf50;
    --color-warning: #ffc107;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Space Mono', 'Courier New', monospace;
    --container-max: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.nav-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 20px;
}

.logo {
    font-weight: 900;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.logo-text {
    color: var(--color-text);
}

.logo-accent {
    color: var(--color-accent);
    margin-left: 0.25rem;
}

.nav-cta {
    background: var(--color-accent);
    color: var(--color-text);
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    font-weight: 500;
    border-radius: 2px;
    transition: var(--transition);
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

.nav-cta:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, transparent 49.5%, var(--color-border) 49.5%, var(--color-border) 50.5%, transparent 50.5%),
        linear-gradient(45deg, transparent 49.5%, var(--color-border) 49.5%, var(--color-border) 50.5%, transparent 50.5%),
        linear-gradient(to bottom, var(--color-bg), var(--color-surface));
    background-size: 50px 50px, 50px 50px, 100% 100%;
    opacity: 0.3;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.highlight {
    color: var(--color-accent);
    display: block;
    margin-top: 0.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

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

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 2px;
    transition: var(--transition);
    display: inline-block;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

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

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

.hero-demo {
    display: flex;
    justify-content: center;
    align-items: center;
}

.demo-container {
    width: 100%;
    max-width: 600px;
}

.demo-cabinet {
    padding: 22px;
    background: #1a1d24;
    border-radius: 14px;
    box-shadow:
        0 0 0 4px #0c0e13,
        0 18px 40px rgba(0,0,0,0.6),
        inset 0 0 0 2px #2a2f3a;
}

.demo-titlebar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 10px;
    letter-spacing: 1px;
    margin-bottom: 12px;
    color: var(--color-accent);
    text-shadow: 2px 2px 0 #5a2600;
    font-family: var(--font-mono);
}

.demo-titlebar .demo-blink {
    color: #7fe3c0;
    animation: blink 1s steps(2) infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    50.01%, 100% { opacity: 0; }
}

.demo-screen-wrap {
    position: relative;
}

#demo-canvas {
    display: block;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    background: #0d0f14;
    border-radius: 6px;
    width: 100%;
    height: auto;
    aspect-ratio: 192 / 120;
}

.demo-crt {
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: 6px;
    background:
        linear-gradient(rgba(18,22,30,0) 50%, rgba(0,0,0,0.25) 50%),
        radial-gradient(circle at 50% 50%, rgba(0,0,0,0) 55%, rgba(0,0,0,0.45) 100%);
    background-size: 100% 4px, 100% 100%;
    mix-blend-mode: multiply;
}

.demo-hud {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 9px;
    letter-spacing: 1px;
    font-family: var(--font-mono);
}

.demo-hud .demo-stat span {
    color: #fff;
}

.demo-hud .demo-label {
    color: #5d6b78;
}

.technology {
    padding: 100px 0;
    background: var(--color-surface);
    position: relative;
}

.technology::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

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

.section-label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-accent);
    letter-spacing: 0.2em;
    font-weight: 700;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-top: 1rem;
    letter-spacing: -0.02em;
}

.tech-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.tech-intro {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.tech-features {
    display: grid;
    gap: 2rem;
}

.feature {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: var(--transition);
}

.feature:hover {
    border-color: var(--color-accent);
    transform: translateX(5px);
}

.feature-icon {
    font-size: 2rem;
    background: var(--color-surface);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.feature h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

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

.spec-card {
    background: var(--color-bg);
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    margin-bottom: 2rem;
}

.spec-card h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.spec-list {
    list-style: none;
}

.spec-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.spec-list li:last-child {
    border-bottom: none;
}

.spec-label {
    color: var(--color-text-light);
}

.industries h4 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    background: var(--color-bg);
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-family: var(--font-mono);
}

.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

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

.contact-info h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.contact-info p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.contact-benefits {
    display: grid;
    gap: 2rem;
}

.benefit {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--color-surface);
    border-left: 4px solid var(--color-accent);
    border-radius: 2px;
}

.benefit strong {
    font-size: 2.5rem;
    color: var(--color-accent);
    font-weight: 900;
    font-family: var(--font-mono);
}

.benefit span {
    color: var(--color-text-light);
    line-height: 1.4;
}

.contact-form {
    background: var(--color-surface);
    padding: 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--color-text);
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: 2px;
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
}

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

.form-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--color-text-light);
    transition: var(--transition);
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.75rem;
    left: 0.75rem;
    font-size: 0.875rem;
    background: var(--color-surface);
    padding: 0 0.5rem;
    color: var(--color-accent);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff6b35' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 20px;
    padding-right: 3rem;
}

.btn-submit {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--color-accent);
    color: var(--color-text);
    border: none;
    border-radius: 2px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

.btn-submit:active {
    transform: translateY(0);
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 2px;
    text-align: center;
    display: none;
}

.form-status.success {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
    display: block;
}

.form-status.error {
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    display: block;
}

.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 2rem;
}

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

.footer-brand {
    margin-bottom: 2rem;
}

.footer-brand .logo {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--color-text-light);
    font-style: italic;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: var(--transition);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

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

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

.footer-bottom p {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-cta-group {
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }

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

    .benefit strong {
        font-size: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}