@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --heading-color: #ffffff;
    --primary-color: #2f81f7;
    --primary-hover: #388bfd;
    --glass-bg: rgba(22, 27, 34, 0.7);
    --glass-border: rgba(48, 54, 61, 0.5);
    --green-accent: #2ea043;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(47, 129, 247, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(46, 160, 67, 0.08), transparent 25%);
    background-attachment: fixed;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--heading-color);
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: var(--heading-color);
    text-decoration: none;
}

/* Container */
.container {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 2rem;
}

/* Landing Page Hero */
.hero {
    text-align: center;
    padding: 6rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    color: var(--heading-color);
    line-height: 1.1;
    letter-spacing: -1.5px;
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 2rem;
}

.cta-button {
    background: var(--primary-color);
    color: #fff;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 8px 24px rgba(47, 129, 247, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(47, 129, 247, 0.6);
    color: #fff;
    text-decoration: none;
}

/* Document Pages (Privacy/Terms) */
.doc-header {
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 2rem;
}

.doc-header h1 {
    font-size: 2.5rem;
    color: var(--heading-color);
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.doc-header .date {
    font-size: 0.9rem;
    color: #8b949e;
}

.doc-content {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.doc-content h2 {
    color: var(--heading-color);
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.doc-content h2:first-child {
    margin-top: 0;
}

.doc-content p, .doc-content ul {
    margin-bottom: 1.2rem;
}

.doc-content ul {
    padding-left: 1.5rem;
}

.doc-content li {
    margin-bottom: 0.5rem;
}

.doc-content strong {
    color: var(--heading-color);
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 5rem;
    font-size: 0.9rem;
    color: #8b949e;
}

footer a {
    color: #8b949e;
    margin: 0 1rem;
}

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .nav-links {
        display: none; /* simple mobile fallback */
    }
    .doc-content {
        padding: 1.5rem;
    }
}