/* Bull Put Spread Rules — page-specific styles
   Shared header, navigation, page background and footer come from ../css/common.css. */

.bull-rules-container {
    max-width: 1200px;
    margin: auto;
    padding: 50px 24px 90px;
}

.bull-rules-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.bull-rules-card {
    background: #020617;
    border: 1px solid #1e293b;
    border-radius: 18px;
    padding: 28px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, .35);
    position: relative;
    min-width: 0;
}

.bull-rules-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 4px;
    background: linear-gradient(180deg, #38bdf8, transparent);
    border-radius: 4px;
}

.bull-rules-header {
    text-align: center;
    margin-bottom: 24px;
}

.bull-rules-header h1 {
    color: #38bdf8;
    margin: 0 0 10px;
    font-size: clamp(24px, 3vw, 34px);
    line-height: 1.25;
}

.bull-rules-header p {
    color: #cbd5e1;
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
}

.bull-rules-image-link {
    display: block;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    line-height: 0;
    background: radial-gradient(120% 120% at 0% 0%, rgba(0, 170, 255, .08), rgba(0, 0, 0, .9));
    padding: 12px;
}

.bull-rules-image {
    display: block;
    width: 100%;
    max-width: 1100px;
    height: auto;
    margin: 0 auto;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, .45);
}

@media (max-width: 900px) {
    .bull-rules-container {
        padding: 28px 16px 60px;
    }

    .bull-rules-card {
        padding: 20px;
    }
}

@media (max-width: 600px) {
    .bull-rules-container {
        padding: 18px 10px 40px;
    }

    .bull-rules-card {
        padding: 14px;
        border-radius: 14px;
    }

    .bull-rules-image-link {
        padding: 4px;
    }

    .bull-rules-header {
        margin-bottom: 16px;
    }
}