/* =========================================================
   ARTICLE PAGE — FINAL STABLE VERSION (ETALON)
   ========================================================= */

/* ================= HERO ================= */

.article-hero {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.article-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ================= CONTENT NAV ================= */

.article-nav {
    width: 100%;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-primary);
}

.article-nav .quick-nav-list {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
}

.article-nav .quick-nav-item {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-decoration: none;
}

.article-nav .quick-nav-item.active,
.article-nav .quick-nav-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--primary-color);
}

/* ================= CONTAINER ================= */

.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

/* ================= HEADER ================= */

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.article-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin: 0;
}

/* ================= CONTENT ================= */

.article-content {
    line-height: 1.7;
    color: var(--text-primary);
}

/* ================= ARTICLE POINT ================= */

.article-content .article-point {
    margin: 3rem 0;
    padding: 1.75rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: linear-gradient(180deg,
            rgba(255, 255, 255, 0.06),
            rgba(255, 255, 255, 0.02));
}

.article-content .article-point>h2 {
    margin: 0 0 1.25rem;
    font-weight: 700;
}

/* ================= SUBPOINT ================= */

.article-content .article-subpoint {
    margin-top: 1.5rem;
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: linear-gradient(180deg,
            rgba(255, 255, 255, 0.10),
            rgba(255, 255, 255, 0.05));
}

.article-content .article-subpoint h3 {
    margin: 0 0 0.75rem;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.article-content .article-subpoint ul {
    margin: 0;
    padding-left: 1.25rem;
}

.article-content .article-subpoint li {
    margin: 0.4rem 0;
}

/* ================= IMAGES ================= */

.article-image {
    margin: 3rem 0;
}

.article-image img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: block;
}

/* ================= MOBILE ================= */

@media (max-width: 768px) {
    .article-hero {
        height: 180px;
    }

    .article-container {
        padding: 2rem 1rem;
    }

    .article-content .article-point {
        padding: 1.25rem;
        margin: 2.5rem 0;
    }

    .article-content .article-subpoint {
        padding: 1rem;
    }
}


/* IMPORTANT:
   Article hero is inside section with global padding (base.css).
   This reset prevents vertical clipping of 250px hero image.
*/
/* Normalize article hero spacing */
.article-hero {
    margin: 0;
    padding: 0;
}

/* Ensure hero starts flush as first block */
.article-hero:first-child {
    margin-top: 0;
}

/* ================= LIGHT THEME FIX ================= */

/* Article point — чуть темнее основного фона */
[data-theme="light"] .article-content .article-point {
    background: linear-gradient(180deg,
            rgba(0, 0, 0, 0.03),
            rgba(0, 0, 0, 0.01));
}

/* Subpoint — ещё чуть темнее */
[data-theme="light"] .article-content .article-subpoint {
    background: linear-gradient(180deg,
            rgba(0, 0, 0, 0.06),
            rgba(0, 0, 0, 0.03));
}

.article-summary {
    margin: 3rem 0;
    padding: 1.75rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: linear-gradient(180deg,
            rgba(255, 255, 255, 0.04),
            rgba(255, 255, 255, 0.02));
}

.article-summary--note {
    font-size: 0.95rem;
}

/* Светлая тема */
[data-theme="light"] .article-summary {
    background: linear-gradient(180deg,
            rgba(0, 0, 0, 0.03),
            rgba(0, 0, 0, 0.015));
}

/* ================= CHECKLIST & FOOTER FIX ================= */

/* Убираем глобальные section-паддинги ТОЛЬКО у чек-листа */
.article-checklist {
    padding-top: 0;
    padding-bottom: 0;
    margin: 2rem 0;
}

/* Контролируем расстояние между summary-блоками */
.article-summary {
    margin: 1.25rem 0;
}

/* Финальный блок — без лишнего воздуха сверху */
.article-footer {
    margin-top: 1.5rem;
}