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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0e1a;
    color: #ffffff;
    line-height: 1.6;
}

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

header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

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

.logo { font-size: 28px; font-weight: bold; color: #fff; }
.logo span { color: #4CAF50; }

.nav-links a {
    color: #fff;
    text-decoration: none;
    margin-left: 30px;
    transition: opacity 0.3s;
}
.nav-links a:hover { opacity: 0.8; }

.hero {
    margin-top: 80px;
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    text-align: center;
}

.hero h1 { font-size: 48px; margin-bottom: 20px; animation: fadeInUp 1s ease; }
.hero p { font-size: 20px; margin-bottom: 40px; opacity: 0.9; animation: fadeInUp 1s ease 0.2s backwards; }

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary { background: #4CAF50; color: #fff; }
.btn-primary:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(76, 175, 80, 0.4);
}

.btn-secondary { background: transparent; color: #fff; border: 2px solid #fff; }
.btn-secondary:hover { background: #fff; color: #1e3c72; }

.features { padding: 100px 0; background: #0a0e1a; }
.section-title { text-align: center; font-size: 36px; margin-bottom: 60px; }

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

.feature-card {
    background: linear-gradient(135deg, #1a1f2e 0%, #2d3748 100%);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.feature-icon { font-size: 48px; margin-bottom: 20px; }
.feature-card h3 { font-size: 24px; margin-bottom: 15px; color: #4CAF50; }
.feature-card p { color: rgba(255,255,255,0.8); line-height: 1.8; }

.screenshots {
    padding: 100px 0;
    background: linear-gradient(180deg, #0a0e1a 0%, #1a1f2e 100%);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.screenshot-card {
    background: #1a1f2e;
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}
.screenshot-card:hover {
    border-color: #4CAF50;
    transform: scale(1.05);
}

.screenshot-placeholder {
    background: #2d3748;
    padding: 200px 20px;
    text-align: center;
    font-size: 80px;
}

.screenshot-caption { padding: 20px; text-align: center; }
.screenshot-caption h4 { color: #4CAF50; margin-bottom: 10px; }

.integration { padding: 100px 0; background: #1a1f2e; text-align: center; }
.section-subtitle { text-align: center; font-size: 18px; margin-bottom: 40px; color: rgba(255,255,255,0.8); }

.tech-stack {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.tech-item {
    background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
    padding: 30px 40px;
    border-radius: 15px;
    border: 2px solid rgba(76, 175, 80, 0.3);
}
.tech-item h4 { color: #4CAF50; font-size: 20px; }

.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    text-align: center;
}
.cta-section h2 { font-size: 42px; margin-bottom: 20px; }
.cta-section p { font-size: 20px; margin-bottom: 40px; opacity: 0.95; }
.cta-section .btn { background: #fff; color: #4CAF50; }
.cta-section .btn:hover { background: #f0f0f0; }

footer {
    background: #0a0e1a;
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
}
footer p { color: rgba(255,255,255,0.6); }
.footer-sub { margin-top: 10px; font-size: 14px; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    .nav-links { display: none; }
    .cta-buttons { flex-direction: column; align-items: center; }
}