/* ========================================= 
   BLOG ARTICLE STYLES - MOBILE FIRST
   ========================================= */

:root {
    --bg-primary: #000;
    --bg-secondary: #F5F5F5;
    --bg-dark: #314A51;
    --text-primary: #0A0A0A;
    --text-primary-light: #EBE1D1;
    --text-secondary: #525252;
    --accent-burgundy: #6E3B49;
    --accent-warm: #B5A19E;
    --font-body: 'Work Sans', sans-serif;
    --font-display: 'Abril Fatface', serif;
    --font-higuen: 'Higuen', serif;
}

body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ========================================= 
   READING PROGRESS BAR
   ========================================= */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(110, 59, 73, 0.1);
    z-index: 9999;
}

.reading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-burgundy), var(--accent-warm));
    width: 0%;
    transition: width 0.1s ease;
}

/* ========================================= 
   HERO SECTION
   ========================================= */
.blog-hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image: url('../images/hero/hintergrund.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.7;
}

.blog-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
    padding: 2rem;
    max-width: 900px;
}

.blog-hero-title {
    font-family: var(--font-higuen);
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 1s ease forwards;
}

.blog-hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-style: italic;
    color: var(--accent-warm);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.2s forwards;
}

.blog-hero-meta {
    margin-top: 2rem;
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    opacity: 0;
    animation: fadeInUp 1s ease 0.4s forwards;
}

/* Hero Wave */
.blog-hero::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 20vh;
    background-color: var(--bg-secondary);
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320' preserveAspectRatio='none'%3E%3Cpath d='M0,160L60,176C120,192,240,224,360,229.3C480,235,600,213,720,186.7C840,160,960,128,1080,122.7C1200,117,1320,139,1380,149.3L1440,160L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z' fill='black'%3E%3C/path%3E%3C/svg%3E");
    mask-size: 100% 100%;
    mask-repeat: no-repeat;
    z-index: 4;
    pointer-events: none;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================= 
   ARTICLE CONTENT
   ========================================= */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: clamp(3rem, 8vh, 6rem) 1.5rem;
}

.article-header {
    text-align: center;
    margin-bottom: 4rem;
}

.article-category {
    display: inline-block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-burgundy);
    font-weight: 600;
    margin-bottom: 1rem;
}

.article-title {
    font-family: var(--font-higuen);
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.article-excerpt {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-style: italic;
}

.article-meta {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Article Body */
.article-body {
    font-size: clamp(1.05rem, 1.8vw, 1.15rem);
    line-height: 1.8;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 2rem;
}

.article-body h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin: 3rem 0 1.5rem;
    color: var(--accent-burgundy);
}

.article-body h3 {
    font-family: var(--font-body);
    font-size: clamp(1.3rem, 2.5vw, 1.6rem);
    font-weight: 600;
    margin: 2rem 0 1rem;
}

/* Drop Cap */
.drop-cap::first-letter {
    font-family: var(--font-display);
    font-size: clamp(4rem, 8vw, 6rem);
    float: left;
    line-height: 0.8;
    padding-right: 0.8rem;
    margin-top: 0.5rem;
    color: var(--accent-burgundy);
    font-style: italic;
}

/* Pull Quote */
.pull-quote {
    margin: 3rem 0;
    padding: 2.5rem 2rem;
    border-left: 4px solid var(--accent-burgundy);
    background: rgba(110, 59, 73, 0.05);
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-style: italic;
    line-height: 1.4;
    color: var(--text-primary);
}

.pull-quote-author {
    display: block;
    margin-top: 1rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-style: normal;
    font-weight: 600;
    color: var(--accent-burgundy);
}

/* Article Image */
.article-image {
    margin: 3rem 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.article-image img {
    width: 100%;
    height: auto;
    display: block;
    transform: scale(1.05);
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-image:hover img {
    transform: scale(1);
}

.article-image figcaption {
    padding: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
}

/* ========================================= 
   INTERACTIVE ELEMENTS
   ========================================= */

/* Reading Time Indicator */
.reading-time {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--accent-burgundy);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    box-shadow: 0 5px 20px rgba(110, 59, 73, 0.4);
    z-index: 100;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.reading-time.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 3rem 0;
}

.share-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--accent-burgundy);
    color: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.share-btn:hover {
    background: var(--text-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* ========================================= 
   ARTICLE NAVIGATION
   ========================================= */
.article-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 4rem 0;
    padding: 3rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-article {
    padding: 2rem;
    background: white;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-article::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-burgundy);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-article:hover::before {
    transform: scaleY(1);
}

.nav-article:hover {
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.nav-article.prev:hover {
    transform: translateX(-5px);
}

.nav-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-burgundy);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.nav-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--text-primary);
}

/* ========================================= 
   BACK TO TOP BUTTON
   ========================================= */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 50px;
    height: 50px;
    background: var(--accent-burgundy);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--text-primary);
    transform: translateY(-5px);
}

/* ========================================= 
   FOOTER WAVE
   ========================================= */
.blog-footer {
    position: relative;
    background: var(--bg-dark);
}

.blog-footer::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 20vh;
    background-color: var(--bg-secondary);
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320' preserveAspectRatio='none'%3E%3Cpath d='M0,128L48,144C96,160,192,192,288,186.7C384,181,480,139,576,133.3C672,128,768,160,864,186.7C960,213,1056,235,1152,224C1248,213,1344,171,1392,149.3L1440,128L1440,0L1392,0C1344,0,1248,0,1152,0C1056,0,960,0,864,0C768,0,672,0,576,0C480,0,384,0,288,0C192,0,96,0,48,0L0,0Z' fill='black'%3E%3C/path%3E%3C/svg%3E");
    mask-size: 100% 100%;
    mask-repeat: no-repeat;
    transform: rotate(180deg);
    z-index: 1;
    pointer-events: none;
}

/* ========================================= 
   MOBILE RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    .article-navigation {
        grid-template-columns: 1fr;
    }

    .reading-time {
        bottom: 1rem;
        right: 1rem;
        padding: 0.8rem 1.2rem;
        font-size: 0.75rem;
    }

    .back-to-top {
        bottom: 1rem;
        left: 1rem;
        width: 45px;
        height: 45px;
    }

    .share-buttons {
        gap: 0.8rem;
    }

    .share-btn {
        width: 45px;
        height: 45px;
    }

    .blog-hero-meta {
        gap: 1rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .article-container {
        padding: 2rem 1rem;
    }

    .pull-quote {
        padding: 1.5rem 1rem;
        margin: 2rem 0;
    }

    .article-image {
        margin: 2rem -1rem;
        border-radius: 0;
    }
}

/* ========================================= 
   SCROLL ANIMATIONS
   ========================================= */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}