:root {
    --bg-main: #09090b; /* Zinc 950 */
    --bg-card: #18181b; /* Zinc 900 */
    --bg-card-hover: #27272a; /* Zinc 800 */
    --text-primary: #fafafa; /* Zinc 50 */
    --text-secondary: #a1a1aa; /* Zinc 400 */
    --border-color: #27272a; /* Zinc 800 */
    
    /* Vibrant Solid Accent: Emerald */
    --accent: #10b981;
    --accent-hover: #059669;
    --accent-muted: rgba(16, 185, 129, 0.1);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* Header Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0;
    border-bottom: 1px solid var(--border-color);
}

.brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 32px;
    font-weight: 500;
    font-size: 0.95rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.2s ease;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 120px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.hero-content h1 span {
    color: var(--accent);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

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

/* Abstract UI Graphic (No images, pure CSS flat design) */
.hero-visual {
    position: relative;
    width: 100%;
    height: 400px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    overflow: hidden;
    /* Subtle pulsing ring */
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    animation: pulse-ring 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.1); }
    50% { box-shadow: 0 0 0 20px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.mock-window-header {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
}

.mock-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.mock-code-line {
    height: 16px;
    background-color: var(--border-color);
    border-radius: 4px;
    margin-bottom: 16px;
    width: 100%;
}

.mock-code-line.short { width: 40%; }
.mock-code-line.medium { width: 70%; }
.mock-code-line.accent { background-color: var(--accent-muted); width: 60%; }

/* Features Grid */
.features-section {
    padding: 100px 0;
    border-top: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

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

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: var(--accent-muted);
    color: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
}

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

/* Stats / Specs Section */
.specs {
    padding: 80px 0;
    background-color: var(--accent);
    color: var(--bg-main);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.spec-item h4 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.spec-item p {
    font-weight: 600;
}

/* Footer */
footer {
    padding: 64px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 80px 0;
    }
    
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .hero-content p {
        margin: 0 auto 40px auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 48px;
    }
}