:root {
    --primary: #007bff;
    --primary-dark: #0056b3;
    --secondary: #6c757d;
    --dark: #0f172a;
    --darker: #020617;
    --light: #f8f9fa;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--darker);
    color: white;
    line-height: 1.6;
    overflow-x: hidden;
}

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

nav {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin-left: 30px;
    font-size: 14px;
    opacity: 0.7;
}

.hero {
    padding: 80px 0;
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-content { flex: 1; padding-right: 50px; }
.hero-content h1 {
    font-size: 64px;
    font-weight: 900;
    background: linear-gradient(135deg, #fff 0%, #007bff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 24px;
}

.btn-download {
    background: var(--primary);
    color: white;
    padding: 18px 36px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.3);
}

.hero-image { flex: 1; display: flex; justify-content: center; }
.hero-image img {
    max-width: 100%;
    border-radius: 40px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.features { padding: 100px 0; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.feature-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 24px;
    text-align: right;
}

/* Utility Classes */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.btn-small {
    padding: 10px 20px !important;
    font-size: 14px !important;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.version-tag {
    margin-top: 20px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.feature-icon-wrapper {
    color: var(--primary);
    font-size: 30px;
    margin-bottom: 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 40px;
    font-weight: 800;
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .hero-content h1 { font-size: 54px; }
}

@media (max-width: 968px) {
    .hero { 
        flex-direction: column-reverse; 
        text-align: center; 
        padding-top: 40px;
        gap: 40px;
    }
    .hero-content { 
        padding-right: 0; 
        margin-bottom: 40px; 
    }
    .hero-content h1 { 
        font-size: 42px; 
        line-height: 1.2;
    }
    .hero-content p {
        font-size: 18px;
        padding: 0 10px;
    }
    .features-grid { 
        grid-template-columns: 1fr; 
        gap: 20px;
    }
    .feature-card {
        padding: 30px 20px;
    }
    nav .container {
        flex-direction: column;
        gap: 15px;
        padding: 15px 0;
    }
    .nav-links {
        display: flex;
        gap: 15px;
        margin: 0;
    }
    .nav-links a {
        margin: 0;
    }
}

@media (max-width: 480px) {
    .hero-content h1 { 
        font-size: 34px; 
    }
    .btn-download {
        width: 100%;
        justify-content: center;
        padding: 15px 20px;
        font-size: 16px;
    }
    .hero-image img {
        border-radius: 20px;
    }
}

.price-tag {
    background: rgba(0, 123, 255, 0.1);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    display: inline-block;
    font-weight: 800;
    margin-top: 15px;
    font-size: 18px;
    border: 1px solid rgba(0, 123, 255, 0.3);
}