:root {
    --bg-dark: #0a0f16;
    --text-primary: #ffffff;
    --text-secondary: #9aa0a6;
    --accent: #4FACFE;
    --accent-alt: #15F4E8;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.05);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 5%;
    background: rgba(10, 15, 22, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.shield {
    filter: drop-shadow(0 0 8px rgba(79, 172, 254, 0.5));
}

.links {
    display: flex;
    gap: 24px;
}

.links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
    max-width: 900px;
    margin: 0 auto;
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-alt), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
}

/* Buttons */
.cta-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 80px;
}

.btn {
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-alt), var(--accent));
    color: #000;
    box-shadow: 0 8px 24px rgba(79, 172, 254, 0.3);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    width: 100%;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: left;
    transition: border-color 0.3s;
}

.feature-card:hover {
    border-color: rgba(79, 172, 254, 0.4);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--accent-alt);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* Content Pages (Privacy / Terms) */
.content-page {
    flex: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 20px;
}

.content-page h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.last-updated {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 48px;
}

section {
    margin-bottom: 40px;
}

section h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--accent);
}

section p, section ul {
    color: #c9d1d9;
    font-size: 1rem;
    margin-bottom: 16px;
}

section ul {
    padding-left: 24px;
}

section li {
    margin-bottom: 8px;
}

code {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9em;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--card-border);
    color: var(--text-secondary);
    font-size: 14px;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 8px;
}

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

@media (max-width: 600px) {
    h1 { font-size: 2.5rem; }
    .cta-buttons { flex-direction: column; }
    .links { display: none; } /* Add hamburger menu for real prod, but this is simple */
}