/* Страница продукта Protocol — текстовое описание, без дублирования лендинга */

.protocol-product-hero {
    margin-top: 73px;
    padding: 28px 0 40px;
    position: relative;
    z-index: 1;
}

.protocol-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.protocol-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.protocol-breadcrumb a:hover {
    color: var(--text-primary);
}

.protocol-breadcrumb span {
    opacity: 0.4;
}

.protocol-product-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.protocol-product-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(2.25rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.protocol-product-lead {
    max-width: 640px;
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

.protocol-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.protocol-meta-chip {
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.protocol-meta-chip strong {
    color: var(--text-primary);
    font-weight: 500;
}

.protocol-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
    align-items: start;
    padding-bottom: 80px;
    position: relative;
    z-index: 1;
}

.protocol-content section {
    margin-bottom: 48px;
}

.protocol-content section:last-child {
    margin-bottom: 0;
}

.protocol-content h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.protocol-content p {
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 16px;
}

.protocol-content p:last-child {
    margin-bottom: 0;
}

.protocol-content ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.protocol-content li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-secondary);
    line-height: 1.65;
}

.protocol-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.8;
}

.protocol-callout {
    margin-top: 20px;
    padding: 20px 24px;
    border-radius: 10px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    background: rgba(59, 130, 246, 0.06);
}

.protocol-callout p {
    margin: 0;
    font-size: 0.9375rem;
}

.protocol-sidebar {
    position: sticky;
    top: 97px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.protocol-sidebar-card {
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    backdrop-filter: blur(12px);
}

.protocol-sidebar-card h3 {
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-weight: 600;
}

.protocol-fact {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}

.protocol-fact:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
}

.protocol-fact dt {
    color: var(--text-muted);
}

.protocol-fact dd {
    color: var(--text-primary);
    text-align: right;
    font-weight: 500;
}

.protocol-sidebar-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

.protocol-sidebar-actions .btn-primary,
.protocol-sidebar-actions .btn-secondary,
.protocol-sidebar-actions .btn-outline {
    justify-content: center;
    width: 100%;
    text-align: center;
}

.protocol-sidebar-note {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-top: 16px;
}

@media (max-width: 960px) {
    .protocol-layout {
        grid-template-columns: 1fr;
    }

    .protocol-sidebar {
        position: static;
        order: -1;
    }
}

@media (max-width: 768px) {
    .protocol-product-hero {
        margin-top: 73px;
        padding-top: 20px;
    }

    .protocol-meta-row {
        gap: 8px;
    }
}