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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    background: #000;
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-cloud {
    margin-left: 4px;
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.5));
}

.menu {
    display: flex;
    gap: 40px;
}

.menu a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s;
}

.menu a:hover {
    color: #fff;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 80px;
    position: relative;
    background: #000;
}

.hero-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
}

.hero-brand {
    font-size: clamp(60px, 12vw, 120px);
    font-weight: 700;
    letter-spacing: 8px;
    color: #fff;
    margin: 0;
}

.hero-icon svg {
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.5));
}

.hero-subtitle {
    font-size: clamp(20px, 3vw, 28px);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 15px;
    font-weight: 500;
}

.hero-description {
    font-size: clamp(16px, 2vw, 18px);
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 60px;
}

.hero-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-top: 60px;
}

.status-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.status-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.status-badge {
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.status-badge.open-source {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.closed-source {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-divider {
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
}

/* Content */
.content {
    padding: 100px 20px;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 10, 10, 0.5) 100%);
}

.content-box {
    max-width: 800px;
    margin: 0 auto;
}

.content-box h2 {
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 30px;
    font-weight: 700;
    letter-spacing: -1px;
}

.content-box h3 {
    font-size: clamp(24px, 4vw, 32px);
    margin: 50px 0 25px;
    font-weight: 600;
}

.content-box p {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
}

.privacy-list {
    list-style: none;
    margin: 30px 0;
}

.privacy-list li {
    padding: 20px;
    margin-bottom: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-left: 3px solid #3b82f6;
    border-radius: 8px;
    font-size: 16px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

.privacy-list li strong {
    color: #fff;
    display: block;
    margin-bottom: 5px;
}

.highlight {
    padding: 30px;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    margin-top: 40px;
}

.highlight strong {
    color: #3b82f6;
}

/* Features */
.features {
    padding: 100px 20px;
    background: rgba(10, 10, 10, 0.5);
}

.features h2 {
    text-align: center;
    font-size: clamp(36px, 5vw, 52px);
    margin-bottom: 80px;
    font-weight: 700;
    letter-spacing: -1px;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-item {
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    transition: all 0.3s;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-5px);
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: 600;
}

.feature-item p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
}

/* Download */
.download {
    padding: 120px 20px;
    text-align: center;
}

.download h2 {
    font-size: clamp(36px, 5vw, 52px);
    margin-bottom: 60px;
    font-weight: 700;
    letter-spacing: -1px;
}

.download-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.download-button {
    padding: 18px 40px;
    background: #3b82f6;
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
    min-width: 140px;
}

.download-button:hover {
    background: #2563eb;
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.4);
}

/* Footer */
.footer {
    padding: 80px 20px 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(5, 5, 5, 0.5);
}

.footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 40px;
}

.footer-col h3 {
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 15px;
    line-height: 1.7;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    display: block;
    margin-bottom: 12px;
    font-size: 15px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: #3b82f6;
}

/* Responsive */
@media (max-width: 768px) {
    .menu {
        gap: 20px;
    }

    .menu a {
        font-size: 14px;
    }

    .hero {
        padding: 120px 20px 60px;
    }

    .hero-logo {
        flex-direction: column;
        gap: 20px;
    }

    .hero-brand {
        letter-spacing: 4px;
    }

    .hero-status {
        flex-direction: column;
        gap: 30px;
    }

    .status-divider {
        width: 80px;
        height: 1px;
    }

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

    .download-links {
        flex-direction: column;
        align-items: stretch;
        max-width: 300px;
        margin: 0 auto;
    }
}