:root {
    --primary: oklch(60% 0.15 250);
    --primary-light: oklch(90% 0.05 250);
    --text: oklch(20% 0.02 250);
    --text-muted: oklch(45% 0.02 250);
    --bg: oklch(98% 0.01 250);
    --card-bg: oklch(100% 0 0);
    --border: oklch(90% 0.02 250);
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --container-width: 1100px;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    background-image: radial-gradient(var(--border) 1px, transparent 1px);
    background-size: 24px 24px;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Footer Styles (will be used by Web Components) */
header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

footer {
    border-top: 1px solid var(--border);
    padding: 4rem 0;
    margin-top: 4rem;
    text-align: center;
    background: var(--card-bg);
}

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

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary), oklch(50% 0.2 300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 3rem;
}

@media (max-width: 800px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-box {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
}

.sidebar-box h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Base Card Styles */
.card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.15);
}

.card h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

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