:root {
    --bg-color: #0F172A;
    --card-bg: #1E293B;
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    margin: 0;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    background: linear-gradient(135deg, #a5b4fc, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

main {
    flex: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    width: 100%;
    box-sizing: border-box;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #fff, #94A3B8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    color: var(--text-primary);
    margin-top: 2.5rem;
    font-size: 1.5rem;
}

p, li {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

ul {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid rgba(255,255,255,0.05);
    margin-bottom: 2rem;
}

.button {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.2s;
    border: none;
    cursor: pointer;
}

.button:hover {
    background-color: var(--accent-hover);
}

footer {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

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

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

/* Landing Page Specifics */
.hero {
    text-align: center;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
    }
    h1 {
        font-size: 2rem;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}