:root {
    --background-color: #000000;
    --text-color: #f5f5f7;
    --text-secondary: #86868b;
    --accent-color: #2997ff;
    --accent-hover: #0071e3;
    --section-bg: #1d1d1f;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --max-width: 980px;
    --nav-height: 44px;
}

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

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    -webkit-font-smoothing: antialiased;
}

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

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

/* Navigation */
nav {
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    height: var(--nav-height);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    max-width: var(--max-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    font-weight: 600;
    font-size: 19px;
    letter-spacing: -0.01em;
}

.nav-links a {
    font-size: 12px;
    color: #d6d6d6;
    margin-left: 24px;
    opacity: 0.8;
}

.nav-links a:hover {
    opacity: 1;
    color: #fff;
}

/* Hero Section */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    text-align: center;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000000 100%);
}

.hero h1 {
    font-size: 56px;
    line-height: 1.07143;
    font-weight: 600;
    letter-spacing: -0.005em;
    margin-bottom: 12px;
}

.hero h2 {
    font-size: 28px;
    line-height: 1.10722;
    font-weight: 400;
    letter-spacing: 0.004em;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-button {
    background-color: var(--accent-color);
    color: white;
    padding: 12px 24px;
    border-radius: 980px;
    font-size: 17px;
    font-weight: 400;
    transition: background-color 0.3s ease, transform 0.2s ease;
    display: inline-block;
}

.cta-button:hover {
    background-color: var(--accent-hover);
    color: white;
    transform: scale(1.02);
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 28px;
    margin-bottom: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* Screenshots Section */
.screenshots {
    background-color: var(--background-color);
    padding: 60px 0;
    overflow: hidden;
}

.screenshot-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.screenshot {
    max-width: 280px;
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.4s ease;
}

.screenshot:hover {
    transform: translateY(-10px);
}

/* Features Grid */
.features {
    background-color: var(--section-bg);
    padding: 100px 0;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background-color: var(--section-bg);
    padding: 40px;
    border-radius: 20px;
    transition: transform 0.3s ease;
    overflow: hidden;
    position: relative;
    height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.feature-card:hover {
    transform: scale(1.01);
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 17px;
    line-height: 1.4;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: auto;
    /* Pushes text to bottom */
    color: var(--accent-color);
}

/* Privacy Policy Page */
.privacy-content {
    padding-top: 100px;
    padding-bottom: 60px;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.privacy-content h1 {
    font-size: 40px;
    margin-bottom: 40px;
    text-align: center;
}

.privacy-content h2 {
    font-size: 24px;
    margin-top: 40px;
    margin-bottom: 16px;
    color: #fff;
}

.privacy-content h3 {
    font-size: 19px;
    margin-top: 24px;
    margin-bottom: 12px;
    color: #fff;
}

.privacy-content p,
.privacy-content ul {
    font-size: 17px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.privacy-content ul {
    padding-left: 20px;
}

.privacy-content li {
    margin-bottom: 8px;
}

/* Footer */
footer {
    background-color: var(--section-bg);
    padding: 40px 0;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: auto;
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links a {
    color: var(--text-secondary);
    margin-left: 20px;
}

.footer-links a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 40px;
    }

    .hero h2 {
        font-size: 21px;
    }

    .grid {
        grid-template-columns: 1fr;
    }
}