/* ==========================================================================
   FENSTEREINBAU - ARTICLE PAGE STYLES
   Blue Design Theme (#0ea5e9)
   ========================================================================== */

/* ==========================================================================
   Article Hero (Breadcrumb Section)
   ========================================================================== */
.article-hero {
    position: relative;
    padding: 120px 0 32px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f0f9ff 100%);
    overflow: hidden;
}

.article-hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.article-hero__shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
}

.article-hero__shape--1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.15) 0%, transparent 70%);
}

.article-hero__shape--2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
}

/* Breadcrumb */
.article-hero__breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.article-hero__breadcrumb-link {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-hero__breadcrumb-link:hover {
    color: #0ea5e9;
}

.article-hero__breadcrumb-link img {
    filter: brightness(0) saturate(100%) invert(50%) sepia(10%) saturate(400%) hue-rotate(180deg);
}

.article-hero__breadcrumb-sep {
    filter: brightness(0) saturate(100%) invert(50%) sepia(10%) saturate(400%) hue-rotate(180deg);
}

.article-hero__breadcrumb-current {
    font-size: 14px;
    font-weight: 600;
    color: #0ea5e9;
}

/* ==========================================================================
   Article Main Content
   ========================================================================== */
.article-main {
    padding: 48px 0 100px;
    background: #fff;
}

.article {
    max-width: 800px;
    margin: 0 auto;
}

/* ==========================================================================
   Article Header
   ========================================================================== */
.article__header {
    margin-bottom: 32px;
}

.article__category {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 30px;
    margin-bottom: 20px;
}

.article__category img {
    filter: brightness(0) invert(1);
}

.article__title {
    font-size: 42px;
    font-weight: 800;
    color: #0f172a;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.article__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.article__meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #64748b;
}

.article__meta-item img {
    filter: brightness(0) saturate(100%) invert(50%) sepia(10%) saturate(400%) hue-rotate(180deg);
}

/* ==========================================================================
   Article Featured Image
   ========================================================================== */
.article__image {
    margin: 0 0 40px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.12);
}

.article__image img {
    width: 100%;
    height: auto;
    display: block;
}

.article__image-caption {
    padding: 14px 20px;
    background: #f8fafc;
    font-size: 14px;
    color: #64748b;
    font-style: italic;
    text-align: center;
}

/* ==========================================================================
   Article Intro
   ========================================================================== */
.article__intro {
    margin-bottom: 40px;
    padding: 28px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 16px;
    border-left: 4px solid #0ea5e9;
}

.article__intro p {
    font-size: 18px;
    color: #334155;
    line-height: 1.7;
    margin: 0;
}

/* ==========================================================================
   Article Content (Markdown Styles)
   ========================================================================== */
.article__content {
    font-size: 17px;
    color: #374151;
    line-height: 1.8;
}

.article__content h2 {
    font-size: 28px;
    font-weight: 800;
    color: #0f172a;
    margin: 48px 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e2e8f0;
}

.article__content h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    margin: 36px 0 16px;
}

.article__content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #334155;
    margin: 28px 0 12px;
}

.article__content p {
    margin-bottom: 20px;
}

.article__content a {
    color: #0ea5e9;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}

.article__content a:hover {
    color: #0284c7;
}

.article__content strong {
    color: #1e293b;
    font-weight: 600;
}

.article__content em {
    font-style: italic;
}

.article__content ul,
.article__content ol {
    margin: 24px 0;
    padding-left: 28px;
}

.article__content li {
    margin-bottom: 12px;
    padding-left: 8px;
}

.article__content ul li::marker {
    color: #0ea5e9;
}

.article__content ol li::marker {
    color: #0ea5e9;
    font-weight: 600;
}

.article__content blockquote {
    margin: 32px 0;
    padding: 24px 28px;
    background: #f8fafc;
    border-left: 4px solid #0ea5e9;
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: #475569;
}

.article__content blockquote p {
    margin: 0;
}

.article__content code {
    font-family: 'Courier New', monospace;
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    color: #0ea5e9;
}

.article__content pre {
    margin: 24px 0;
    padding: 20px;
    background: #1e293b;
    border-radius: 12px;
    overflow-x: auto;
}

.article__content pre code {
    background: none;
    color: #e2e8f0;
    padding: 0;
}

.article__content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 24px 0;
}

.article__content hr {
    margin: 40px 0;
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
}

.article__content table {
    width: 100%;
    margin: 24px 0;
    border-collapse: collapse;
}

.article__content th,
.article__content td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.article__content th {
    background: #f8fafc;
    font-weight: 600;
    color: #1e293b;
}

/* ==========================================================================
   Article Conclusion
   ========================================================================== */
.article__conclusion {
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 20px;
    border: 1px solid #e2e8f0;
}

.article__conclusion-title {
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 16px;
}

.article__conclusion p {
    font-size: 16px;
    color: #475569;
    line-height: 1.7;
    margin: 0;
}

.article__conclusion a {
    color: #0ea5e9;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ==========================================================================
   Article Tags
   ========================================================================== */
.article__tags {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 32px;
    padding: 16px 20px;
    background: #fef3c7;
    border-radius: 12px;
    font-size: 14px;
    color: #92400e;
}

.article__tags img {
    filter: brightness(0) saturate(100%) invert(35%) sepia(80%) saturate(800%) hue-rotate(15deg);
}

/* ==========================================================================
   Article CTA
   ========================================================================== */
.article__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-top: 48px;
    padding: 28px 32px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: 20px;
}

.article__cta-content {
    flex: 1;
}

.article__cta-title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.article__cta-text {
    font-size: 15px;
    color: #94a3b8;
    margin: 0;
}

.article__cta-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    border-radius: 12px;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}

.article__cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(14, 165, 233, 0.4);
}

.article__cta-btn img {
    filter: brightness(0) invert(1);
}

/* ==========================================================================
   Related Articles Section
   ========================================================================== */
.article-related {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid #e2e8f0;
}

.article-related__title {
    font-size: 28px;
    font-weight: 800;
    color: #0f172a;
    text-align: center;
    margin-bottom: 36px;
}

.article-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-related__card {
    background: #fff;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.article-related__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(14, 165, 233, 0.12);
    border-color: rgba(14, 165, 233, 0.3);
}

.article-related__link {
    display: block;
    padding: 24px;
    text-decoration: none;
    color: inherit;
}

.article-related__icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    border-radius: 12px;
    margin-bottom: 16px;
}

.article-related__icon img {
    filter: brightness(0) invert(1);
}

.article-related__card-title {
    font-size: 16px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.4;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}

.article-related__card:hover .article-related__card-title {
    color: #0ea5e9;
}

.article-related__arrow {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f9ff;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.article-related__arrow img {
    filter: brightness(0) saturate(100%) invert(55%) sepia(78%) saturate(2038%) hue-rotate(176deg) brightness(101%) contrast(91%);
    transition: transform 0.2s ease;
}

.article-related__card:hover .article-related__arrow {
    background: #0ea5e9;
}

.article-related__card:hover .article-related__arrow img {
    filter: brightness(0) invert(1);
    transform: translateX(3px);
}

/* ==========================================================================
   RESPONSIVE STYLES
   ========================================================================== */

/* 1024px */
@media (max-width: 1024px) {
    .article-hero {
        padding: 110px 0 28px;
    }

    .article__title {
        font-size: 36px;
    }

    .article-related__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-related__card:last-child {
        grid-column: span 2;
    }
}

/* 768px */
@media (max-width: 768px) {
    .article-hero {
        padding: 100px 0 24px;
    }

    .article-main {
        padding: 36px 0 80px;
    }

    .article__title {
        font-size: 30px;
    }

    .article__meta {
        gap: 14px;
    }

    .article__image {
        border-radius: 16px;
        margin-bottom: 32px;
    }

    .article__intro {
        padding: 22px;
    }

    .article__intro p {
        font-size: 16px;
    }

    .article__content {
        font-size: 16px;
    }

    .article__content h2 {
        font-size: 24px;
        margin: 36px 0 16px;
    }

    .article__content h3 {
        font-size: 20px;
        margin: 28px 0 14px;
    }

    .article__conclusion {
        padding: 24px;
    }

    .article__conclusion-title {
        font-size: 20px;
    }

    .article__cta {
        flex-direction: column;
        text-align: center;
        padding: 24px;
    }

    .article__cta-btn {
        width: 100%;
        justify-content: center;
    }

    .article-related {
        margin-top: 60px;
        padding-top: 48px;
    }

    .article-related__title {
        font-size: 24px;
        margin-bottom: 28px;
    }

    .article-related__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .article-related__card:last-child {
        grid-column: span 1;
    }

    .article-related__link {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 18px;
    }

    .article-related__icon {
        margin-bottom: 0;
        width: 44px;
        height: 44px;
        flex-shrink: 0;
    }

    .article-related__card-title {
        margin-bottom: 0;
        flex: 1;
    }

    .article-related__arrow {
        width: 32px;
        height: 32px;
        flex-shrink: 0;
    }
}

/* 480px */
@media (max-width: 480px) {
    .article-hero {
        padding: 90px 0 20px;
    }

    .article-hero__breadcrumb {
        gap: 8px;
    }

    .article-hero__breadcrumb-link {
        font-size: 13px;
    }

    .article-main {
        padding: 28px 0 60px;
    }

    .article__category {
        font-size: 12px;
        padding: 6px 14px;
        margin-bottom: 16px;
    }

    .article__title {
        font-size: 26px;
    }

    .article__meta {
        gap: 12px;
    }

    .article__meta-item {
        font-size: 13px;
    }

    .article__image {
        border-radius: 14px;
        margin-bottom: 28px;
    }

    .article__image-caption {
        padding: 12px 16px;
        font-size: 13px;
    }

    .article__intro {
        padding: 18px;
        border-radius: 12px;
        margin-bottom: 32px;
    }

    .article__intro p {
        font-size: 15px;
    }

    .article__content {
        font-size: 15px;
    }

    .article__content h2 {
        font-size: 22px;
        margin: 32px 0 14px;
    }

    .article__content h3 {
        font-size: 18px;
        margin: 24px 0 12px;
    }

    .article__content ul,
    .article__content ol {
        padding-left: 20px;
    }

    .article__content blockquote {
        padding: 18px 20px;
        margin: 24px 0;
    }

    .article__conclusion {
        padding: 20px;
        margin-top: 36px;
        border-radius: 16px;
    }

    .article__conclusion-title {
        font-size: 18px;
    }

    .article__conclusion p {
        font-size: 15px;
    }

    .article__tags {
        padding: 14px 16px;
        font-size: 13px;
        margin-top: 24px;
    }

    .article__cta {
        padding: 20px;
        margin-top: 36px;
        border-radius: 16px;
    }

    .article__cta-title {
        font-size: 18px;
    }

    .article__cta-text {
        font-size: 14px;
    }

    .article__cta-btn {
        padding: 12px 20px;
        font-size: 15px;
    }

    .article-related {
        margin-top: 48px;
        padding-top: 36px;
    }

    .article-related__title {
        font-size: 22px;
        margin-bottom: 24px;
    }

    .article-related__link {
        padding: 16px;
        gap: 14px;
    }

    .article-related__icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }

    .article-related__card-title {
        font-size: 15px;
    }
}

/* 375px */
@media (max-width: 375px) {
    .article-hero {
        padding: 80px 0 16px;
    }

    .article-hero__breadcrumb-link {
        font-size: 12px;
        gap: 4px;
    }

    .article-hero__breadcrumb-current {
        font-size: 12px;
    }

    .article-main {
        padding: 24px 0 48px;
    }

    .article__category {
        font-size: 11px;
        padding: 5px 12px;
        gap: 6px;
    }

    .article__category img {
        width: 14px;
        height: 14px;
    }

    .article__title {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .article__meta {
        gap: 10px;
    }

    .article__meta-item {
        font-size: 12px;
        gap: 6px;
    }

    .article__meta-item img {
        width: 14px;
        height: 14px;
    }

    .article__image {
        border-radius: 12px;
        margin-bottom: 24px;
    }

    .article__image-caption {
        padding: 10px 14px;
        font-size: 12px;
    }

    .article__intro {
        padding: 14px;
        margin-bottom: 28px;
        border-radius: 10px;
    }

    .article__intro p {
        font-size: 14px;
        line-height: 1.6;
    }

    .article__content {
        font-size: 14px;
        line-height: 1.7;
    }

    .article__content h2 {
        font-size: 20px;
        margin: 28px 0 12px;
        padding-bottom: 10px;
    }

    .article__content h3 {
        font-size: 17px;
        margin: 20px 0 10px;
    }

    .article__content h4 {
        font-size: 16px;
    }

    .article__content ul,
    .article__content ol {
        margin: 18px 0;
        padding-left: 18px;
    }

    .article__content li {
        margin-bottom: 10px;
        padding-left: 6px;
    }

    .article__content blockquote {
        padding: 14px 16px;
        margin: 20px 0;
        border-radius: 0 10px 10px 0;
        font-size: 14px;
    }

    .article__content pre {
        padding: 16px;
        border-radius: 10px;
        font-size: 13px;
    }

    .article__conclusion {
        padding: 16px;
        margin-top: 28px;
        border-radius: 12px;
    }

    .article__conclusion-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .article__conclusion p {
        font-size: 14px;
    }

    .article__tags {
        padding: 12px 14px;
        font-size: 12px;
        margin-top: 20px;
        border-radius: 10px;
        gap: 8px;
    }

    .article__tags img {
        width: 14px;
        height: 14px;
    }

    .article__cta {
        padding: 16px;
        margin-top: 28px;
        border-radius: 12px;
        gap: 16px;
    }

    .article__cta-title {
        font-size: 16px;
    }

    .article__cta-text {
        font-size: 13px;
    }

    .article__cta-btn {
        padding: 10px 18px;
        font-size: 14px;
        border-radius: 10px;
        gap: 8px;
    }

    .article__cta-btn img {
        width: 18px;
        height: 18px;
    }

    .article-related {
        margin-top: 40px;
        padding-top: 28px;
    }

    .article-related__title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .article-related__grid {
        gap: 12px;
    }

    .article-related__link {
        padding: 14px;
        gap: 12px;
    }

    .article-related__icon {
        width: 36px;
        height: 36px;
        border-radius: 8px;
    }

    .article-related__icon img {
        width: 18px;
        height: 18px;
    }

    .article-related__card-title {
        font-size: 14px;
    }

    .article-related__arrow {
        width: 28px;
        height: 28px;
    }

    .article-related__arrow img {
        width: 14px;
        height: 14px;
    }
}