:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --accent-color: #38bdf8;
    --card-bg: #1e293b;
    --nav-bg: rgba(15, 23, 42, 0.8);
}

* {
    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;
    overflow-x: hidden;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: sticky;
    top: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 600;
    transition: color 0.3s;
    opacity: 0.8;
}

nav a:hover, nav a.active {
    color: var(--accent-color);
    opacity: 1;
}

main {
    min-height: calc(100vh - 160px);
}

/* Home Page */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem;
    position: relative;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.25rem;
    color: #94a3b8;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #38bdf8, #818cf8);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(56, 189, 248, 0.3);
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56,189,248,0.15) 0%, rgba(15,23,42,0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(56, 189, 248, 0.3);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.feature-card p {
    color: #cbd5e1;
}

/* Text Pages (Privacy Policy) */
.text-page {
    padding: 4rem 5%;
}

.content-section {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05);
}

.content-section h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.content-section > p:first-of-type {
    color: #94a3b8;
    margin-bottom: 3rem;
}

.content-section h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--accent-color);
}

.content-section p {
    margin-bottom: 1.5rem;
    color: #cbd5e1;
}

.content-section ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: #cbd5e1;
}

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

.content-section a {
    color: var(--accent-color);
    text-decoration: none;
}

.content-section a:hover {
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 3rem 5%;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #64748b;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
}

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    header {
        flex-direction: column;
        gap: 1rem;
    }
    nav a {
        margin: 0 1rem;
    }
}