/* ========================================
   AlphaOne LLC — Reference Guide Styles
   Extends site dark theme (style.css)
   ======================================== */

/* Section layout */
.ref-section {
    padding: 80px 0;
}

.ref-section-header {
    max-width: 640px;
    margin-bottom: 48px;
}

.ref-section-header h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.ref-section-header p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Alternate background for sections */
.ref-principles-bg {
    background: var(--surface);
}

/* Summary Box */
.summary-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    margin-top: 32px;
}

.summary-box h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.summary-box p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.75;
}

.summary-box .highlight {
    color: var(--primary-light);
    font-weight: 600;
}

/* Service Blocks */
.ref-blocks {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ref-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 28px 28px;
    transition: all var(--transition);
}

.ref-block:hover {
    border-color: var(--border-hover);
    border-left-color: var(--primary-light);
}

.ref-block h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}

.ref-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.ref-block p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.7;
}

.ref-value {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 14px;
    color: var(--text-dim);
    font-style: italic;
    line-height: 1.65;
}

.ref-value strong {
    color: var(--white);
    font-style: normal;
}

/* Principle Blocks */
.ref-principles {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 760px;
}

.ref-principle {
    display: flex;
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: all var(--transition);
}

.ref-principle:hover {
    border-color: var(--border-hover);
}

.ref-principle-num {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: white;
    flex-shrink: 0;
}

.ref-principle-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.ref-principle-body p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.7;
}

.ref-bottom-line {
    margin-top: 10px;
    font-size: 14px;
    color: var(--primary-light);
    font-weight: 600;
}

/* Process Steps */
.ref-steps {
    max-width: 700px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.ref-step {
    display: flex;
    gap: 20px;
    padding-bottom: 32px;
    position: relative;
}

.ref-step:last-child {
    padding-bottom: 0;
}

/* Connecting line between steps */
.ref-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 18px;
    top: 44px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-dark), transparent);
}

.ref-step-num {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    color: white;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.ref-step-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}

.ref-step-body p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Glossary */
.ref-glossary {
    max-width: 760px;
}

.glossary-row {
    display: flex;
    gap: 24px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    align-items: baseline;
}

.glossary-row:last-child {
    border-bottom: none;
}

.glossary-term {
    min-width: 180px;
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
}

.glossary-def {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
    .ref-principle {
        flex-direction: column;
        gap: 12px;
    }

    .ref-step:not(:last-child)::after {
        display: none;
    }

    .glossary-row {
        flex-direction: column;
        gap: 4px;
    }

    .glossary-term {
        min-width: unset;
    }
}