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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #0a0a0a;
    color: #e0e0e0;
    line-height: 1.6;
}

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

/* Header */
header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    color: #e0e0e0;
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

nav a:hover {
    color: #00d4ff;
}

/* Hero */
.hero {
    padding: 120px 0;
    text-align: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 20px;
    color: #b0b0b0;
    margin-bottom: 40px;
}

.buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 15px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Features */
.features {
    padding: 80px 0;
    background: #0f0f0f;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #00d4ff;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: #00d4ff;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #00d4ff;
}

/* Download */
.download {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.download h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #00d4ff;
}

.download p {
    font-size: 18px;
    color: #b0b0b0;
    margin-bottom: 40px;
}

/* Credits */
.credits {
    padding: 80px 0;
    background: #0f0f0f;
}

.credits h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: #00d4ff;
}

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

.credit-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.credit-card:hover {
    border-color: #00d4ff;
    transform: translateY(-5px);
}

.credit-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #00d4ff;
}

.credit-card p {
    color: #b0b0b0;
    margin-bottom: 20px;
}

.credit-card a {
    color: #00d4ff;
    text-decoration: none;
    font-weight: 500;
}

.credit-card a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    padding: 40px 0;
    background: #0a0a0a;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}

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

.social {
    display: flex;
    gap: 20px;
}

.social a {
    color: #e0e0e0;
    text-decoration: none;
    transition: color 0.3s;
}

.social a:hover {
    color: #00d4ff;
}

@media (max-width: 768px) {
    .hero h2 {
        font-size: 32px;
    }
    
    .buttons {
        flex-direction: column;
        align-items: center;
    }
    
    footer .container {
        flex-direction: column;
        gap: 20px;
    }
}