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

body {
    background-color: #0a0a0a;
    color: #e0e0e0;
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Header Styles */
.header {
    text-align: center;
    margin-bottom: 60px;
    padding: 40px 0;
}

.donut-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.donut-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px rgba(0, 102, 255, 0.5));
}

.title {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.tagline {
    font-size: 16px;
    color: #999;
    margin-bottom: 10px;
    font-family: 'Courier New', monospace;
}

.website-link {
    display: inline-block;
    color: #0099ff;
    text-decoration: none;
    font-size: 14px;
    font-family: 'Courier New', monospace;
    transition: color 0.3s ease;
}

.website-link:hover {
    color: #00ccff;
}

/* Section Styles */
.section {
    margin-bottom: 80px;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    justify-content: center;
}

/* Card Styles */
.card {
    background: rgba(30, 30, 30, 0.8);
    border: 1px solid rgba(100, 100, 100, 0.3);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.card:hover {
    border-color: rgba(0, 102, 255, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.2);
}

.card-title {
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: bold;
    letter-spacing: 1px;
}

.plus {
    color: #0099ff;
}

.features-list {
    list-style: none;
    margin-bottom: 25px;
    text-align: left;
}

.features-list li {
    padding: 8px 0;
    color: #b0b0b0;
    font-size: 14px;
    border-bottom: 1px solid rgba(100, 100, 100, 0.2);
    position: relative;
    padding-left: 20px;
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #0099ff;
}

/* Button Styles */
.btn {
    display: inline-block;
    width: 100%;
    padding: 12px 20px;
    border: 1px solid rgba(0, 102, 255, 0.5);
    border-radius: 6px;
    background: transparent;
    color: #0099ff;
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    letter-spacing: 0.5px;
    font-family: 'Courier New', monospace;
}

.btn-price:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: rgba(0, 102, 255, 0.8);
}

.btn-trial {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-trial:hover {
    background: transparent;
    border-color: rgba(0, 102, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .cards-container {
        grid-template-columns: 1fr;
    }

    .title {
        font-size: 36px;
    }

    .section-title {
        font-size: 24px;
    }

    .card {
        padding: 20px;
    }
}