:root {
    --primary: #7000ff; /* Electric Purple */
    --secondary: #00f3ff; /* Cyan Neon */
    --dark-bg: #0a0a12;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-main: #ffffff;
    --text-muted: #b0b0b0;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--dark-bg);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Effect */
.background-glow {
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(112,0,255,0.2) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    pointer-events: none;
}

/* Header */
header {
    text-align: center;
    padding: 2rem 0;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.highlight {
    color: var(--secondary);
    text-shadow: 0 0 10px var(--secondary);
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    animation: fadeIn 1s ease-out;
}

.badge {
    background: linear-gradient(90deg, var(--primary), #9d4dff);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin: 1.5rem 0 1rem;
    background: -webkit-linear-gradient(#fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

/* Big Conversion Button */
.download-area {
    margin: 2rem 0;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), #4a00e0);
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    color: white;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 0 20px rgba(112, 0, 255, 0.5);
    border: 2px solid rgba(255,255,255,0.1);
    width: 100%;
    max-width: 400px;
}

.btn-download:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 0 40px rgba(112, 0, 255, 0.8);
}

.icon-box {
    font-size: 2rem;
    margin-right: 15px;
}

.text-box {
    text-align: left;
    display: flex;
    flex-direction: column;
}

.text-box .label {
    font-size: 0.8rem;
    font-weight: bold;
    opacity: 0.9;
    letter-spacing: 1px;
}

.text-box .size {
    font-size: 1.2rem;
    font-weight: 700;
    font-family: var(--font-heading);
}

.safe-text {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #00ff88; /* Green for safety */
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Content Area */
.content-wrapper {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    margin-top: 2rem;
    border: 1px solid rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
}

article h2 {
    font-family: var(--font-heading);
    color: var(--secondary);
    margin: 2rem 0 1rem;
    font-size: 1.5rem;
}

article h3 {
    color: #fff;
    margin: 1.5rem 0 0.5rem;
    font-size: 1.2rem;
}

article p {
    color: var(--text-muted);
    margin-bottom: 1rem;
    text-align: justify;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 2rem 0;
}

.feature-card {
    background: rgba(0,0,0,0.3);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.feature-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.feature-card h3 {
    margin-top: 0;
    font-size: 1.1rem;
}

.feature-card p {
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 0;
}

/* Conclusion Box */
.conclusion-box {
    background: linear-gradient(135deg, rgba(112,0,255,0.1), rgba(0,0,0,0));
    padding: 20px;
    border-radius: 15px;
    border-left: 4px solid var(--secondary);
    margin-top: 2rem;
}

.btn-small {
    display: inline-block;
    background: transparent;
    border: 1px solid var(--secondary);
    color: var(--secondary);
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s;
}

.btn-small:hover {
    background: var(--secondary);
    color: #000;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 0;
    color: #555;
    font-size: 0.8rem;
}

/* Mobile Responsive */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 2rem;
    }
    .btn-download {
        padding: 12px 20px;
    }
    .text-box .size {
        font-size: 1rem;
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}