:root {
    --primary-color: #6366F1;
    --primary-hover: #4F46E5;
    --bg-color: #F8FAFC;
    --text-color: #1E293B;
    --text-muted: #64748B;
    --white: #FFFFFF;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: var(--white);
    padding: 20px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links a {
    margin-left: 25px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}

.hero {
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

.btn {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: background-color 0.2s;
}

.btn:hover {
    background-color: var(--primary-hover);
}

.play-store-btn {
    background-color: #000;
    padding: 10px 24px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

footer {
    background-color: var(--white);
    padding: 40px 0;
    margin-top: 80px;
    border-top: 1px solid #E2E8F0;
    text-align: center;
}

.footer-links a {
    margin: 0 15px;
    color: var(--text-muted);
    text-decoration: none;
}

.content-section {
    background-color: var(--white);
    padding: 60px;
    border-radius: 24px;
    margin-top: 40px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

h2 { font-size: 32px; margin-bottom: 24px; }
h3 { font-size: 20px; margin-top: 32px; }