/**
 * BIOGRAPHY EDITORIAL STYLESHEET
 * Engineered for Narrative-Driven Engagement & Elite Responsiveness.
 */

* {
    box-sizing: border-box;
}

html,
body {
    overflow-x: hidden;
    width: 100%;
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
}

.editorial-page {
    background-color: var(--white);
    color: var(--black);
    font-family: 'Inter', sans-serif;
}

/* Breadcrumb & Navigation */
.breadcrumb-nav {
    margin-bottom: var(--grid-4);
}

.back-home-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition-standard);
}

.back-home-link:hover {
    color: var(--black);
    transform: translateX(-4px);
}

/* Story Header */
.story-header {
    border-bottom: 1px solid var(--border-subtle);
    padding-top: 10rem;
}

.story-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    color: var(--black);
    line-height: 1.05;
    margin-bottom: var(--grid-4);
    letter-spacing: -0.04em;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.story-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-muted);
    max-width: 800px;
    line-height: 1.6;
    margin-bottom: var(--grid-6);
}

.story-meta-stack {
    display: flex;
    flex-direction: column;
    gap: var(--grid-1);
    margin-top: var(--grid-4);
}

.meta-row {
    display: flex;
    flex-direction: column;
    gap: 8px; /* Precise 8pt vertical gap between rows */
}

.meta-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #475569; /* Subtle Slate color */
    text-transform: uppercase;
    letter-spacing: 0.15em; /* Increased letter-spacing for premium feel */
}

.meta-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.25rem; /* Larger for narrative emphasis */
    font-weight: 800; /* Bold styling */
    color: var(--black);
    line-height: 1.2;
}

/* Editorial Grid Layout */
.editorial-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-8);
    padding: var(--grid-8) 0;
}

@media (min-width: 1024px) {
    .editorial-grid {
        grid-template-columns: 320px 1fr;
        gap: var(--grid-12);
        padding: var(--grid-12) 0;
    }
}

/* Sidebar Systems */
.sticky-sidebar {
    position: relative;
}

@media (min-width: 1024px) {
    .sticky-sidebar {
        position: sticky;
        top: 120px;
    }
}

.sidebar-portrait {
    margin-bottom: var(--grid-6);
    display: flex;
    justify-content: center;
    width: 100%;
}

.portrait-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/5;
    background: var(--slate-100);
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
}

.bio-portrait-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    clip-path: inset(0 0 0 0 round 160px 160px 12px 12px);
    -webkit-mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
    filter: grayscale(100%) contrast(1.1);
    transition: var(--transition-standard);
}

.bio-portrait-img:hover {
    filter: grayscale(0%);
}

.identity-card {
    background: var(--bg-soft);
    padding: var(--grid-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--grid-6);
}

.card-tag {
    display: block;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--slate-400);
    margin-bottom: 0.5rem;
}

.legal-text {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.story-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.story-nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-ghost);
    padding: 0.5rem 0;
    transition: var(--transition-standard);
    border-left: 2px solid transparent;
    padding-left: 1rem;
    touch-action: manipulation;
}

.story-nav-link:hover,
.story-nav-link.active {
    color: var(--black);
    border-left-color: var(--black);
}

.sidebar-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: var(--grid-4) 0;
}

.sidebar-home-link {
    font-size: 0.875rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--black);
}

/* Chapter Content */
.editorial-main {
    max-width: 720px;
    width: 100%;
    overflow: hidden; /* Safety against child element overflow */
}

.chapter {
    margin-bottom: var(--grid-10);
}

.chapter-header {
    display: flex;
    align-items: baseline;
    gap: var(--grid-3);
    margin-bottom: var(--grid-4);
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: var(--grid-2);
}

.chapter-number {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 800;
    color: var(--slate-400);
}

.chapter-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--black);
}

.chapter p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: var(--grid-4);
}

/* Experience Stack */
.experience-stack {
    display: flex;
    flex-direction: column;
    gap: var(--grid-6);
}

.exp-item {
    position: relative;
    padding-left: var(--grid-4);
    border-left: 1px solid var(--border-subtle);
    transition: var(--transition-standard);
}

.exp-item:hover {
    border-left-color: var(--black);
}

.exp-header {
    margin-bottom: var(--grid-2);
}

.exp-role {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--black);
    display: block;
}

.exp-company {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--slate-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.exp-date {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--slate-400);
    display: block;
    margin-top: 2px;
}

.exp-desc {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-muted);
}

/* Skill Editorial Grid */
.skill-editorial-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-6);
    margin-top: var(--grid-6);
}

@media (min-width: 640px) {
    .skill-editorial-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.column-label {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--black);
    margin-bottom: var(--grid-3);
    letter-spacing: 0.1em;
}

.dropcap::first-letter {
    float: left;
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 0.8;
    padding: 0.5rem 0.75rem 0 0;
    font-weight: 800;
    color: var(--black);
}

.editorial-quote {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    font-style: italic;
    color: var(--black);
    padding: var(--grid-6) 0;
    margin: var(--grid-6) 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    line-height: 1.4;
}

/* Footer CTA Box */
.footer-cta-box {
    background: var(--matte-black);
    padding: var(--grid-10) var(--grid-4);
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--white);
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-sizing: border-box;
    position: relative;
}

@media (min-width: 1024px) {
    .footer-cta-box {
        padding: var(--grid-12) var(--grid-8);
    }
}

.cta-title {
    font-family: var(--font-heading);
    /* Responsive sizing via clamp() for maximum impact */
    font-size: clamp(2.25rem, 6vw, 3.5rem);
    font-weight: 800; /* Heavier font weight for brand authority */
    margin-bottom: var(--grid-6);
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--white);
}

.cta-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--grid-3);
    width: 100%;
}

@media (min-width: 768px) {
    .cta-actions {
        flex-direction: row;
        gap: var(--grid-1); /* Precise 8pt gap */
    }
}

.cta-actions .btn {
    padding: var(--grid-3) var(--grid-8);
    font-size: 0.875rem;
    transition: var(--transition-standard);
    width: 100%;
    margin: 0;
    touch-action: manipulation; /* Mandatory mobile performance optimization */
    outline: none;
    text-decoration: none;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .cta-actions .btn {
        width: auto;
    }
}

.cta-actions .btn-elite {
    background: var(--white);
    color: var(--matte-black);
    border: 1.5px solid var(--white);
    font-weight: 700;
}

.cta-actions .btn-elite:hover {
    background: var(--white);
    transform: translateY(-3px) scale(1.02);
    opacity: 0.95;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-actions .btn-ghost {
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    background: transparent;
    font-weight: 600;
}

.cta-actions .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--white);
    transform: translateY(-3px) scale(1.02);
    opacity: 0.9;
}

/* High-Visibility Action Buttons sync */
.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: #000000;
    color: #FFFFFF;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: none;
    border-radius: 4px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.btn-action:hover {
    background: #475569;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.btn-action:active {
    transform: translateY(0);
}

/* Responsive Refinement */
@media (max-width: 1024px) {
    .editorial-grid {
        grid-template-columns: 1fr;
        width: 100%;
    }
    .story-header {
        padding-top: 8rem;
    }
    
    .editorial-sidebar {
        border-bottom: 1px solid var(--border-subtle);
        padding-bottom: var(--grid-6);
        margin-bottom: var(--grid-6);
    }

    .sidebar-portrait {
        max-width: 200px;
        margin-left: auto;
        margin-right: auto;
    }

    .story-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .story-nav-link {
        padding: 0.25rem 0;
        border-left: none;
        border-bottom: 2px solid transparent;
        padding-left: 0;
    }

    .story-nav-link.active {
        border-bottom-color: var(--black);
    }
}

@media (max-width: 480px) {
    .story-title {
        font-size: 2.5rem;
    }
    
    .chapter p {
        font-size: 1rem;
    }

    .editorial-quote {
        font-size: 1.25rem;
    }
}