/*
 * Founder × Intern Scoped Stylesheet
 * Custom styles for Sagarithm Editorial Journal Experience
 * Refined for maximum cleanliness, minimal borders, and premium typography.
 */

/* ==========================================================================
   1. Design System Tokens & Base Layout
   ========================================================================== */

.intern-layout {
    font-family: var(--inter), sans-serif;
    max-width: 900px !important; /* Slightly narrower for improved editorial readability */
    margin: 0 auto;
    padding-top: 3rem;
    padding-bottom: 6rem;
}

.serif-editorial {
    font-family: var(--fraunces), Georgia, serif;
    font-weight: 300;
    letter-spacing: -1px;
}

/* Background Cinematic Radial Ambient Glow */
.cinematic-glow {
    position: relative;
}
.cinematic-glow::before {
    content: '';
    position: absolute;
    top: -30%; left: 10%;
    width: 80%; height: 120%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.04) 0%, rgba(236, 72, 153, 0.02) 40%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* ==========================================================================
   2. Hub Hero Section (Editorial Documentary Style)
   ========================================================================== */

.hero-intern-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(236, 72, 153, 0.05);
    border: 1px solid rgba(236, 72, 153, 0.1);
    color: #ec4899;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
    border-radius: 30px;
    margin-bottom: 1.5rem;
}

.hero-intern-title {
    font-size: 56px !important;
    line-height: 1.1 !important;
    letter-spacing: -2px;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 0;
    margin: 4rem 0 3rem;
}

@media (max-width: 576px) {
    .hero-meta-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 1.5rem 0;
    }
}

.hero-meta-item .meta-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
}

.hero-meta-item .meta-value {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

/* ==========================================================================
   3. Vertical Chronological Timeline (Minimalist & Floating)
   ========================================================================== */

.timeline-wrapper {
    position: relative;
    padding: 2rem 0;
    margin-bottom: 5rem;
}

.timeline-track-line {
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--border-color) 0%, var(--border-color) 85%, transparent 100%);
}

.timeline-node-item {
    position: relative;
    padding-left: 52px;
    margin-bottom: 3.5rem;
    transition: transform var(--transition-smooth);
}

.timeline-node-item:hover {
    transform: translateX(3px);
}

.timeline-node-dot {
    position: absolute;
    left: 14px;
    top: 6px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    z-index: 2;
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.timeline-node-item:hover .timeline-node-dot {
    border-color: #ec4899;
    background: var(--bg-color);
    box-shadow: 0 0 10px rgba(236, 72, 153, 0.3);
}

.timeline-node-item.node-featured .timeline-node-dot {
    border-color: #8b5cf6;
}

.timeline-node-item.node-featured:hover .timeline-node-dot {
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.4);
}

.timeline-node-day {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: block;
}

.timeline-node-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth), background-color var(--transition-smooth);
}

.timeline-node-card-title {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.timeline-node-card-title a {
    color: inherit !important;
    text-decoration: none !important;
    transition: color var(--transition-fast);
}

.timeline-node-card-title a:hover {
    color: var(--text-primary) !important;
    opacity: 0.8;
}

.timeline-node-card-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 16px;
    opacity: 0.9;
}

.timeline-node-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.intern-tag-badge {
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 3px 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

[data-theme="light"] .intern-tag-badge {
    background: rgba(0, 0, 0, 0.02);
}

/* ==========================================================================
   4. Article / Log Page & Sticky Sidebar
   ========================================================================== */

.article-header {
    margin-bottom: 2.5rem;
}

.article-category {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #8b5cf6;
    display: block;
    margin-bottom: 0.75rem;
}

.article-title {
    font-size: 44px !important;
    line-height: 1.15 !important;
    letter-spacing: -1.5px;
    font-weight: 300;
    color: var(--text-primary);
}

.article-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 1rem;
    opacity: 0.85;
}

.article-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.article-cover-wrap {
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 3.5rem;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}

.reading-progress-bar-container {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 2px;
    z-index: 1200;
    background: transparent;
}

.reading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #ec4899, #8b5cf6);
    width: 0%;
    box-shadow: 0 0 8px rgba(236, 72, 153, 0.3);
    transition: width 0.15s ease-out;
}

/* Sticky Editorial Sidebar */
.sidebar-toc-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-left: 1px solid var(--border-color);
}

.toc-item {
    margin-bottom: 12px;
    padding-left: 16px;
    position: relative;
    left: -1px;
}

.toc-link {
    font-size: 13px;
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    transition: color var(--transition-fast);
    display: block;
    line-height: 1.4;
}

.toc-item.active-toc {
    border-left: 2px solid #ec4899;
}

.toc-item.active-toc .toc-link {
    color: var(--text-primary) !important;
    font-weight: 600;
}

.toc-link:hover {
    color: var(--text-primary) !important;
}

.glass-widget {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    margin-bottom: 2rem;
}

/* ==========================================================================
   5. Rich Editorial Content / Markdown Styling
   ========================================================================== */

.editorial-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}

.editorial-content p {
    margin-bottom: 1.8rem;
    opacity: 0.95;
}

.editorial-content h2 {
    font-family: var(--fraunces);
    font-size: 26px;
    margin-top: 3.5rem;
    margin-bottom: 1.25rem;
    font-weight: 400;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.editorial-content h3 {
    font-family: var(--fraunces);
    font-size: 20px;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 400;
    color: var(--text-primary);
}

.editorial-content blockquote {
    font-family: var(--fraunces);
    font-style: italic;
    font-size: 19px;
    color: #ec4899;
    border-left: 2px solid #ec4899;
    padding-left: 1.5rem;
    margin: 2.5rem 0;
    opacity: 0.9;
}

.editorial-content ul, .editorial-content ol {
    margin-bottom: 2rem;
    padding-left: 1.5rem;
    color: var(--text-primary);
    opacity: 0.95;
}

.editorial-content li {
    margin-bottom: 0.5rem;
}

/* Dropcap for premium editorial feel */
.editorial-content > p:first-of-type::first-letter {
    font-family: var(--fraunces);
    font-size: 4rem;
    float: left;
    margin-top: -0.3rem;
    margin-right: 0.5rem;
    line-height: 1;
    font-weight: 300;
    color: #ec4899;
}

/* ==========================================================================
   6. Custom Highlight Cards (Key Learnings, Tools, Reflections)
   ========================================================================== */

.reflection-panel {
    background: rgba(139, 92, 246, 0.01);
    border: 1px dashed var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
    margin: 3.5rem 0;
}

.reflection-quote-icon {
    font-family: var(--fraunces);
    font-size: 4rem;
    line-height: 0;
    color: rgba(139, 92, 246, 0.12);
    float: left;
    margin-top: 1.25rem;
    margin-right: 0.5rem;
    pointer-events: none;
}

.reflection-panel-title {
    font-family: var(--fraunces);
    font-style: italic;
    font-size: 18px;
    font-weight: 400;
    color: #8b5cf6;
    margin-bottom: 0.75rem;
}

.reflection-panel-text {
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-secondary);
    margin: 0;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 3.5rem 0;
}

@media (max-width: 768px) {
    .highlights-grid {
        grid-template-columns: 1fr;
    }
}

.highlight-box {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.005);
}

.highlight-box-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.highlight-box-title.title-learnings { color: #10b981; }
.highlight-box-title.title-tools { color: #3b82f6; }
.highlight-box-title.title-challenges { color: #f59e0b; }

.highlight-box-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.highlight-box-list li {
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding-left: 14px;
    position: relative;
    line-height: 1.5;
}

.highlight-box-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    top: 0px;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.15);
}

[data-theme="light"] .highlight-box-list li::before {
    color: rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   7. Navigation & Call-to-Action Elements
   ========================================================================== */

.article-navigation {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

@media (max-width: 576px) {
    .article-navigation {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.nav-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    text-decoration: none !important;
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition-smooth), background-color var(--transition-smooth);
}

.nav-box:hover .nav-title {
    opacity: 0.8;
}

.nav-box .nav-direction {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.nav-box .nav-title {
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-primary);
}

/* LinkedIn CTA Card */
.linkedin-cta-card {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.02) 0%, rgba(236, 72, 153, 0.02) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 5rem;
}

/* ==========================================================================
   8. Animation States & Scroll Reveals
   ========================================================================== */

.slide-up-reveal {
    opacity: 0;
    transform: translateY(12px); /* Subtler translate distance for cleaner scroll */
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-up-reveal.active {
    opacity: 1;
    transform: translateY(0);
}