:root {
    --bg-deep: #0F172A;
    --bg-card: #1E293B;
    --emerald: #10B981;
    --text-main: #F8FAFC;
    --text-muted: #94A3B8;
    --border: #334155;
    --accent-glow: rgba(16, 185, 129, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-deep);
    color: var(--text-main);
    line-height: 1.6;
}

header {
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    color: var(--emerald);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--emerald);
}

.btn-core {
    background-color: var(--emerald);
    color: var(--bg-deep);
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.875rem;
    transition: opacity 0.2s;
}

.btn-core:hover {
    opacity: 0.9;
}

main {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 2rem;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--emerald);
}

p {
    margin-bottom: 1.25rem;
    color: var(--text-muted);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: 12px;
    transition: transform 0.2s, border-color 0.2s;
}

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

.verified-badge {
    display: inline-flex;
    align-items: center;
    background-color: var(--accent-glow);
    color: var(--emerald);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid var(--emerald);
    margin-bottom: 1rem;
}

footer {
    border-top: 1px solid var(--border);
    padding: 4rem 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.tech-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

.tech-table th, .tech-table td {
    text-align: left;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.tech-table th {
    color: var(--emerald);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.code-block {
    background: #000;
    padding: 1rem;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.875rem;
    color: #10B981;
    overflow-x: auto;
    margin: 1rem 0;
}