/* ClusterPing Website Styles */

:root {
    --primary-color: #007AFF;
    --secondary-color: #5856D6;
    --text-color: #1d1d1f;
    --text-secondary: #6e6e73;
    --background: #ffffff;
    --surface: #f5f5f7;
    --border: #d2d2d7;
    --success: #34c759;
    --shadow: rgba(0, 0, 0, 0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --text-color: #f5f5f7;
        --text-secondary: #a1a1a6;
        --background: #000000;
        --surface: #1c1c1e;
        --border: #38383a;
        --shadow: rgba(255, 255, 255, 0.1);
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--surface);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
}

.logo {
    font-size: 28px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 14px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    padding: 14px 32px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--shadow);
}

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

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

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.app-screenshot-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    padding: 100px;
    color: white;
    font-size: 24px;
    font-weight: 600;
}

/* Features */
.features {
    padding: 80px 0;
    background-color: var(--surface);
}

.features h2 {
    text-align: center;
    font-size: 48px;
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--background);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Use Cases */
.use-cases {
    padding: 80px 0;
    text-align: center;
}

.use-cases h2 {
    font-size: 48px;
    margin-bottom: 40px;
}

.use-case-list {
    list-style: none;
    font-size: 20px;
    line-height: 2;
    color: var(--text-secondary);
}

/* Download */
.download {
    padding: 80px 0;
    background-color: var(--surface);
    text-align: center;
}

.download h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.download-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.download-options {
    margin-bottom: 40px;
}

.download-icon {
    font-size: 24px;
    margin-right: 10px;
}

.download-note {
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

.tech-specs {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
    background-color: var(--background);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.tech-specs h3 {
    margin-bottom: 15px;
}

.tech-specs ul {
    list-style-position: inside;
    color: var(--text-secondary);
}

/* Privacy Highlight */
.privacy-highlight {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.privacy-highlight h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.privacy-highlight p {
    font-size: 20px;
    margin-bottom: 30px;
    line-height: 1.8;
}

.privacy-highlight .link {
    color: white;
    font-size: 18px;
    text-decoration: none;
    border-bottom: 2px solid white;
    transition: opacity 0.3s;
}

.privacy-highlight .link:hover {
    opacity: 0.8;
}

/* Footer */
.footer {
    background-color: var(--surface);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    margin-bottom: 15px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 10px;
    font-size: 14px;
    transition: color 0.3s;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .nav-links {
        display: none;
    }

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

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

/* Content Pages */
.content-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 20px;
}

.content-page h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.content-page h2 {
    font-size: 32px;
    margin-top: 40px;
    margin-bottom: 15px;
}

.content-page h3 {
    font-size: 24px;
    margin-top: 30px;
    margin-bottom: 10px;
}

.content-page p {
    margin-bottom: 15px;
    color: var(--text-secondary);
    font-size: 16px;
}

.content-page ul, .content-page ol {
    margin-bottom: 15px;
    padding-left: 30px;
    color: var(--text-secondary);
}

.content-page a {
    color: var(--primary-color);
    text-decoration: none;
}

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

.link {
    color: var(--primary-color);
    text-decoration: none;
}