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

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-secondary: #0ea5e9;
    --color-bg: #0f172a;
    --color-bg-light: #1e293b;
    --color-bg-card: #1e293b;
    --color-text: #f8fafc;
    --color-text-muted: #94a3b8;
    --color-border: #334155;
    --color-accent: #22d3ee;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --container-width: 1200px;
    --border-radius: 12px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
}

.logo-flow {
    color: var(--color-primary);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background: linear-gradient(135deg, var(--color-bg) 0%, #1a1f3a 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 70% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 30% 80%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    max-width: 500px;
}

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

/* Code Window */
.code-window {
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.code-header {
    background: var(--color-bg-light);
    padding: 12px 16px;
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #22c55e; }

.code-content {
    padding: 24px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-content .keyword { color: #c792ea; }
.code-content .function { color: #82aaff; }
.code-content .boolean { color: #f78c6c; }

/* Sections */
section {
    padding: 120px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-align: center;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

/* Services */
.services {
    background: var(--color-bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--color-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

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

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-text-muted);
}

/* Industries */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.industry-card {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    text-align: center;
}

.industry-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--color-accent);
}

.industry-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* About */
.about {
    background: var(--color-bg-light);
}

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

.about-content p {
    color: var(--color-text-muted);
    font-size: 1.15rem;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: 64px;
    margin-top: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 8px;
}

/* Contact */
.contact {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    text-align: center;
}

.contact .section-title {
    color: white;
}

.contact .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

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

.contact .btn-primary:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
    background: var(--color-bg);
    padding: 64px 0 32px;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: 8px;
}

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

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

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

.footer-location p {
    color: var(--color-text-muted);
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Responsive Design */
@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-visual {
        display: none;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-stats {
        flex-direction: column;
        gap: 32px;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }

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