/* =========================================
   ARTICLE PAGE - MODERN STYLES
   ========================================= */

/* Article Hero Section */
.article-hero {
    padding: 140px 20px 100px;
    min-height: 500px;
    display: flex;
    align-items: center;
    position: relative;
    background-size: cover !important;
    background-position: center !important;
    background-attachment: scroll;
}

.article-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 58, 138, 0.85) 100%);
}

.article-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

/* Breadcrumbs */
.breadcrumbs {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.breadcrumbs a {
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.breadcrumbs a:hover {
    color: var(--accent-color);
}

.breadcrumbs .dot {
    color: rgba(255, 255, 255, 0.5);
    font-weight: 600;
}

/* Article Hero Title & Subtitle */
.article-hero__title {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.article-hero__subtitle {
    font-size: 1.35rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

/* Hero Action Buttons */
.hero-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn-solid,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-solid {
    background: var(--gradient-1);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-solid:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

/* Article Main Content */
.article-main {
    padding: 6rem 0;
    background: var(--light-bg);
}

.article-shell {
    max-width: 900px;
    margin: 0 auto;
}

.article-card {
    background: var(--white);
    padding: 4rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

/* Article Title (inside content) */
.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 2rem;
    line-height: 1.3;
    border-bottom: 3px solid var(--secondary-color);
    padding-bottom: 1.5rem;
}

/* Article Meta */
.article-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
    padding: 1.25rem;
    background: var(--light-bg);
    border-radius: 12px;
    flex-wrap: wrap;
}

.article-meta span {
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 500;
    opacity: 0.85;
}

/* Article Sections */
.article-card section {
    margin-bottom: 4rem;
}

.article-card section:last-child {
    margin-bottom: 0;
}

/* Headings */
.article-card h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 3rem 0 1.5rem;
    line-height: 1.3;
    position: relative;
    padding-left: 1.5rem;
}

.article-card h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 80%;
    background: var(--gradient-1);
    border-radius: 3px;
}

.article-card h3 {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 2.5rem 0 1.25rem;
    line-height: 1.4;
}

.article-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 2rem 0 1rem;
}

/* Paragraphs */
.article-card p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.article-card p strong {
    font-weight: 600;
    color: var(--dark-color);
}

.article-card p em {
    font-style: italic;
    color: var(--primary-color);
}

/* Lists */
.article-card ul,
.article-card ol {
    margin: 1.5rem 0 2rem 2.5rem;
    line-height: 1.9;
}

.article-card ul li,
.article-card ol li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--text-color);
    padding-left: 0.5rem;
}

.article-card ul {
    list-style: none;
}

.article-card ul li {
    position: relative;
    padding-left: 2rem;
}

.article-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.2rem;
}

.article-card ol {
    counter-reset: list-counter;
}

.article-card ol li {
    counter-increment: list-counter;
    position: relative;
    padding-left: 2.5rem;
}

.article-card ol li::before {
    content: counter(list-counter) ".";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1.2rem;
}

/* Links */
.article-card a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.article-card a:hover {
    border-bottom-color: var(--secondary-color);
}

/* Highlight Boxes / Info Boxes */
.article-card .info-box,
.article-card .highlight-box,
.article-card .note-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(96, 165, 250, 0.05) 100%);
    border-left: 5px solid var(--secondary-color);
    padding: 2rem;
    margin: 2.5rem 0;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.article-card .info-box p:last-child,
.article-card .highlight-box p:last-child,
.article-card .note-box p:last-child {
    margin-bottom: 0;
}

/* Tables */
.article-card table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 2.5rem 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    overflow: hidden;
}

.article-card table thead {
    background: var(--gradient-1);
    color: var(--white);
}

.article-card table th {
    padding: 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 1.05rem;
}

.article-card table td {
    padding: 1.25rem;
    border-bottom: 1px solid var(--light-bg);
    font-size: 1.05rem;
}

.article-card table tbody tr {
    background: var(--white);
    transition: background 0.3s ease;
}

.article-card table tbody tr:hover {
    background: var(--light-bg);
}

.article-card table tbody tr:last-child td {
    border-bottom: none;
}

/* Code Blocks */
.article-card code {
    background: var(--light-bg);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
    color: var(--primary-color);
    font-weight: 500;
}

.article-card pre {
    background: var(--dark-color);
    color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    overflow-x: auto;
    margin: 2.5rem 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.article-card pre code {
    background: none;
    padding: 0;
    color: var(--white);
}

/* Blockquotes */
.article-card blockquote {
    border-left: 5px solid var(--accent-color);
    padding: 1.5rem 2rem;
    margin: 2.5rem 0;
    background: rgba(96, 165, 250, 0.05);
    font-style: italic;
    color: var(--text-color);
    border-radius: 8px;
    font-size: 1.15rem;
    line-height: 1.8;
}

.article-card blockquote p:last-child {
    margin-bottom: 0;
}

/* Article Navigation (Prev/Next) */
.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    padding: 4rem 0 0;
    margin-top: 4rem;
    border-top: 3px solid var(--light-bg);
}

.article-nav-link {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    text-decoration: none;
    transition: all 0.4s ease;
    flex: 1;
    max-width: 48%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.article-nav-link:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.article-nav-link i {
    font-size: 2rem;
    color: var(--secondary-color);
    transition: color 0.3s ease;
}

.article-nav-link:hover i {
    color: var(--white);
}

.article-nav-link-content {
    flex: 1;
}

.article-nav-link-label {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.article-nav-link-title {
    font-weight: 600;
    font-size: 1.15rem;
    line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 968px) {
    .article-card {
        padding: 3rem 2.5rem;
    }

    .article-hero__title {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .article-hero {
        padding: 120px 20px 80px;
        min-height: 400px;
    }

    .article-hero__title {
        font-size: 2.2rem;
    }

    .article-hero__subtitle {
        font-size: 1.15rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .btn-solid,
    .btn-ghost {
        width: 100%;
        justify-content: center;
    }

    .article-main {
        padding: 4rem 0;
    }

    .article-card {
        padding: 2.5rem 1.75rem;
        border-radius: 15px;
    }

    .article-title {
        font-size: 2rem;
    }

    .article-card h2 {
        font-size: 1.65rem;
        padding-left: 1.25rem;
    }

    .article-card h3 {
        font-size: 1.4rem;
    }

    .article-card p,
    .article-card ul li,
    .article-card ol li {
        font-size: 1.05rem;
    }

    .article-card ul,
    .article-card ol {
        margin-left: 1.75rem;
    }

    .article-card table {
        font-size: 0.95rem;
    }

    .article-card table th,
    .article-card table td {
        padding: 1rem;
    }

    .article-nav {
        flex-direction: column;
        gap: 1.5rem;
    }

    .article-nav-link {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .article-hero {
        padding: 100px 15px 60px;
    }

    .article-hero__title {
        font-size: 1.8rem;
    }

    .article-hero__subtitle {
        font-size: 1rem;
    }

    .breadcrumbs {
        font-size: 0.85rem;
    }

    .article-card {
        padding: 2rem 1.5rem;
    }

    .article-title {
        font-size: 1.75rem;
    }

    .article-card h2 {
        font-size: 1.5rem;
    }

    .article-card h3 {
        font-size: 1.25rem;
    }

    .article-card p,
    .article-card ul li,
    .article-card ol li {
        font-size: 1rem;
    }

    .btn-solid,
    .btn-ghost {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
}