:root {
    /* Brand Colors extracted from logo */
    --bg-dark: #0f172a;      /* Deep Slate for main background */
    --bg-surface: #1e293b;   /* Lighter Slate for cards */
    --primary: #f59e0b;      /* Golden/Orange accent from lightning bolt */
    --primary-hover: #d97706;
    
    /* Typography Colors */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;

    /* Spacing & Layout */
    --container-max: 1100px;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover);
}

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

/* --- Typography --- */
h1, h2, h3 {
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

/* --- Components --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 0.95rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: #fff;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

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

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

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

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

/* --- Navbar --- */
.navbar {
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    z-index: 100;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-main);
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-links a:not(.btn) {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:not(.btn):hover {
    color: var(--text-main);
}

/* --- Hero Section --- */
.hero {
    padding: 6rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto var(--spacing-xl);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* --- Cases Section --- */
.cases-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-surface);
}

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

.case-card {
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.case-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

.case-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.case-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* --- Products Section --- */
.products-section {
    padding: 6rem 0;
}

.products-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.product-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.product-card.featured {
    border-color: var(--primary);
    position: relative;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.1);
}

.price-tag {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.product-card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.product-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

.product-card .btn {
    width: 100%;
}

/* --- Footer --- */
footer {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background-color: var(--bg-surface);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* simple mobile nav for now */
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}