/**
 * ===================================================================
 * blog.css  —  Blog, Experience & Growth Page Styles
 * Extends the existing dark theme with Lamborghini Green identity.
 *
 * TOC:
 * 01. CSS Custom Properties (dark / light theme)
 * 02. Base page overrides
 * 03. Theme toggle button
 * 04. Reading progress bar
 * 05. Sub-page navigation
 * 06. Page hero / banner
 * 07. Blog hub  — category cards
 * 08. Blog listing — post cards
 * 09. Post header & layout
 * 10. TOC sidebar
 * 11. Article typography
 * 12. Code blocks (highlight.js)
 * 13. Math (KaTeX)
 * 14. Mermaid diagrams
 * 15. Tables & figures
 * 16. Blockquotes & callouts
 * 17. References
 * 18. Tag pills
 * 19. Experience — timeline (collapsible <details>)
 * 20. Experience — skills cloud
 * 21. Growth journey — resource cards
 * 22. Shared footer
 * 23. Animations & keyframes
 * 24. Utilities
 * ===================================================================
 */


/* ===================================================================
 * 01. CSS Custom Properties
 * =================================================================== */
:root {
    --sk-bg:          #151515;
    --sk-surface:     rgba(24, 24, 24, 0.88);
    --sk-surface-hi:  rgba(32, 32, 32, 0.93);
    --sk-code-bg:     rgba(14, 14, 14, 0.97);
    --sk-text:        #cccccc;
    --sk-text-dim:    #888888;
    --sk-text-faint:  #505050;
    --sk-heading:     #e8e8e8;
    --sk-accent:      #7dc24b;
    --sk-accent-hi:   #96d665;
    --sk-accent-dim:  rgba(125, 194, 75, 0.10);
    --sk-accent-glow: rgba(125, 194, 75, 0.22);
    --sk-border:      rgba(125, 194, 75, 0.16);
    --sk-border-sub:  rgba(255, 255, 255, 0.055);
    --sk-shadow:      0 2px 18px rgba(0, 0, 0, 0.55);
    --sk-shadow-lg:   0 8px 40px rgba(0, 0, 0, 0.70);
    --sk-r:           3px;
    --sk-r-lg:        6px;
    --sk-mono:        "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    --sk-body:        "lora-regular", serif;
    --sk-head:        "poppins-semibold", sans-serif;
}

[data-theme="light"] {
    --sk-bg:          #f3f1ec;
    --sk-surface:     rgba(255, 254, 250, 0.90);
    --sk-surface-hi:  rgba(248, 246, 242, 0.97);
    --sk-code-bg:     rgba(236, 234, 228, 0.98);
    --sk-text:        #3a3a3a;
    --sk-text-dim:    #686868;
    --sk-text-faint:  #a0a0a0;
    --sk-heading:     #181818;
    --sk-accent:      #568f2e;
    --sk-accent-hi:   #6aad38;
    --sk-accent-dim:  rgba(86, 143, 46, 0.08);
    --sk-accent-glow: rgba(86, 143, 46, 0.18);
    --sk-border:      rgba(86, 143, 46, 0.20);
    --sk-border-sub:  rgba(0, 0, 0, 0.065);
    --sk-shadow:      0 2px 14px rgba(0, 0, 0, 0.10);
    --sk-shadow-lg:   0 8px 32px rgba(0, 0, 0, 0.16);
}


/* ===================================================================
 * 02. Base page overrides
 * =================================================================== */
body.sk-page {
    background-color: var(--sk-bg);
    color: var(--sk-text);
    font-family: var(--sk-body);
    transition: background-color 0.4s ease, color 0.3s ease;
}

body.sk-page h1,
body.sk-page h2,
body.sk-page h3,
body.sk-page h4,
body.sk-page h5,
body.sk-page h6 { color: var(--sk-heading); }

body.sk-page a,
body.sk-page a:visited {
    color: var(--sk-accent);
    text-decoration: none;
    transition: color 0.25s ease, opacity 0.25s ease;
}

body.sk-page a:hover,
body.sk-page a:focus {
    color: var(--sk-accent-hi);
    outline: 0;
}


/* ===================================================================
 * 03. Theme toggle button
 * =================================================================== */
.theme-toggle {
    position: fixed;
    bottom: 3.2rem;
    right: 3.2rem;
    z-index: 900;
    width: 4.4rem;
    height: 4.4rem;
    border-radius: 50%;
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--sk-shadow);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: var(--sk-accent);
    box-shadow: 0 0 0 3px var(--sk-accent-glow), var(--sk-shadow-lg);
}

.theme-toggle svg {
    width: 1.9rem;
    height: 1.9rem;
    fill: none;
    stroke: var(--sk-accent);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icon-sun  { display: none; }
.icon-moon { display: block; }

[data-theme="light"] .icon-sun  { display: block; }
[data-theme="light"] .icon-moon { display: none; }


/* ===================================================================
 * 04. Reading progress bar
 * =================================================================== */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: var(--sk-accent);
    z-index: 1000;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px var(--sk-accent-glow);
}


/* ===================================================================
 * 05. Sub-page navigation
 * =================================================================== */
body.sk-page header {
    background: rgba(13, 13, 13, 0.93);
    border-bottom: 1px solid var(--sk-border-sub);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: background 0.4s ease;
}

[data-theme="light"] body.sk-page header {
    background: rgba(238, 236, 230, 0.95);
}

body.sk-page header .logo a {
    font-family: var(--sk-head);
    color: var(--sk-accent) !important;
    font-size: 2rem;
    letter-spacing: 0.08rem;
    text-transform: uppercase;
    display: flex;
    align-items: center;
}

body.sk-page header .logo a svg {
    width: 2.2rem;
    height: 2.2rem;
    stroke: var(--sk-accent);
    transition: stroke 0.3s ease;
}

body.sk-page header .logo a:hover svg {
    stroke: var(--sk-accent-hi);
}

/* Desktop: show nav as horizontal flex row, hide hamburger */
@media screen and (min-width: 769px) {
    body.sk-page header .row      { min-height: 6.6rem; }
    body.sk-page header .top-bar {
        position: static !important;
        left: auto !important;
        top: auto !important;
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 0 4rem;
        min-height: 6.6rem;
        width: 100%;
        min-width: 0;
        background: transparent;
    }
    body.sk-page header .logo {
        float: none !important;
        margin: 0 !important;
    }
    body.sk-page #main-nav-wrap {
        position: static !important;
        top: auto !important;
        left: auto !important;
        width: auto !important;
        display: flex !important;
        align-items: center;
    }
    body.sk-page .main-navigation {
        display: flex !important;
        flex-direction: row;
        align-items: center;
        gap: 0;
        padding: 0 !important;
        margin: 0 !important;
        background: transparent !important;
        width: auto;
        height: auto;
        clear: none;
    }
    body.sk-page .main-navigation > li {
        display: inline-flex !important;
    }
    body.sk-page .main-navigation li a {
        padding: 0.4rem 1.2rem !important;
        line-height: normal;
        display: block;
    }
    body.sk-page .menu-toggle {
        display: none !important;
    }
}

/* Mobile: dropdown via .open class */
@media screen and (max-width: 768px) {
    body.sk-page header .row      { min-height: 6rem; }
    body.sk-page header .top-bar {
        position: static !important;
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 0 2.4rem;
        min-height: 6rem;
        width: 100%;
        background: transparent;
    }
    body.sk-page header .logo {
        float: none !important;
        margin: 0 !important;
        order: 1;
    }
    body.sk-page .menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        order: 2;
        float: none !important;
        margin: 0 !important;
        position: static !important;
    }
    body.sk-page #main-nav-wrap {
        position: fixed !important;
        top: 6rem !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        z-index: 799;
        border-top: 1px solid var(--sk-border-sub);
    }
    body.sk-page .main-navigation {
        display: none !important;
        flex-direction: column !important;
        background: rgba(13, 13, 13, 0.97) !important;
        backdrop-filter: blur(14px) !important;
        -webkit-backdrop-filter: blur(14px) !important;
        padding: 2rem 3.2rem 3rem !important;
        width: 100%;
    }
    body.sk-page #main-nav-wrap.open .main-navigation {
        display: flex !important;
    }
    [data-theme="light"] body.sk-page .main-navigation {
        background: rgba(238, 236, 230, 0.98) !important;
    }
    body.sk-page .main-navigation > li {
        display: block !important;
        width: 100%;
    }
    body.sk-page .main-navigation li a {
        padding: 1.2rem 0 !important;
        display: block !important;
        border-bottom: 1px solid var(--sk-border-sub);
    }
    body.sk-page .main-navigation li:last-child a {
        border-bottom: none;
    }
}

body.sk-page .main-navigation li a {
    color: var(--sk-text-dim) !important;
    font-family: var(--sk-head);
    font-size: 1.15rem;
    letter-spacing: 0.18rem;
    text-transform: uppercase;
    transition: color 0.25s ease;
}

body.sk-page .main-navigation li a:hover,
body.sk-page .main-navigation li.current a {
    color: var(--sk-accent) !important;
}

body.sk-page .main-navigation li.current > a::after {
    content: '';
    display: block;
    height: 1px;
    background: var(--sk-accent);
    margin-top: 0px;
    opacity: 0.7;
}


/* ===================================================================
 * 06. Page hero / banner
 * =================================================================== */
.page-hero {
    padding: 14rem 0 6rem;
    position: relative;
    overflow: hidden;
    background: var(--sk-bg);
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 65% 35%, var(--sk-accent-dim) 0%, transparent 68%);
    pointer-events: none;
}

.page-hero .row { position: relative; z-index: 2; }

.page-hero__eyebrow {
    display: block;
    font-family: var(--sk-head);
    font-size: 1.1rem;
    letter-spacing: 0.28rem;
    text-transform: uppercase;
    color: var(--sk-accent);
    margin-bottom: 1.8rem;
}

.page-hero h1 {
    font-size: 4.2rem;
    line-height: 1.15;
    letter-spacing: -0.05rem;
    color: var(--sk-heading);
    margin-bottom: 1.8rem;
}

.page-hero__desc {
    font-size: 1.9rem;
    color: var(--sk-text-dim);
    line-height: 1.75;
    max-width: 64rem;
    margin-bottom: 0;
    font-family: var(--sk-body);
}

/* Per-category eyebrow colours */
.page-hero--technical  .page-hero__eyebrow { color: #7dc24b; }
.page-hero--leadership .page-hero__eyebrow { color: #5ba3d9; }
.page-hero--community  .page-hero__eyebrow { color: #d4a843; }
.page-hero--growth     .page-hero__eyebrow { color: #9b6bd4; }


/* ===================================================================
 * 07. Blog hub — category cards (2 × 2 grid)
 * =================================================================== */
.blog-hub { padding: 5rem 0 10rem; }

.hub-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.4rem;
    margin-top: 4rem;
}

.hub-card {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border-sub);
    border-radius: var(--sk-r-lg);
    padding: 3.6rem;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.hub-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hub-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sk-shadow-lg);
    border-color: var(--sk-border);
    text-decoration: none;
}

.hub-card:hover::before { opacity: 1; }

.hub-card--technical::before  { background: #7dc24b; }
.hub-card--leadership::before { background: #5ba3d9; }
.hub-card--community::before  { background: #d4a843; }
.hub-card--growth::before     { background: #9b6bd4; }

.hub-card__icon {
    width: 4.8rem;
    height: 4.8rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.1rem;
    margin-bottom: 2rem;
}

.hub-card--technical  .hub-card__icon { background: rgba(125,194,75, 0.12); color: #7dc24b; }
.hub-card--leadership .hub-card__icon { background: rgba(91, 163,217,0.12); color: #5ba3d9; }
.hub-card--community  .hub-card__icon { background: rgba(212,168, 67,0.12); color: #d4a843; }
.hub-card--growth     .hub-card__icon { background: rgba(155,107,212,0.12); color: #9b6bd4; }

.hub-card__title {
    font-family: var(--sk-head);
    font-size: 2rem;
    color: var(--sk-heading);
    margin-bottom: 1rem;
}

.hub-card__desc {
    font-size: 1.55rem;
    color: var(--sk-text-dim);
    line-height: 1.75;
    margin-bottom: 2.4rem;
}

.hub-card__cta {
    font-family: var(--sk-head);
    font-size: 1.1rem;
    letter-spacing: 0.18rem;
    text-transform: uppercase;
    color: var(--sk-text-faint);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.25s ease, color 0.25s ease;
}

.hub-card:hover .hub-card__cta {
    gap: 1.2rem;
    color: var(--sk-accent);
}


/* ===================================================================
 * 08. Blog listing — post cards
 * =================================================================== */
.blog-listing { padding: 3rem 0 10rem; }

.post-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.8rem;
    margin-top: 3rem;
}

.post-card {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border-sub);
    border-radius: var(--sk-r-lg);
    padding: 3rem 3.2rem;
    display: flex;
    gap: 3rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.post-card::after {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--sk-accent);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.3s ease;
}

.post-card--leadership::after { background: #5ba3d9; }
.post-card--community::after  { background: #d4a843; }
.post-card--growth::after     { background: #9b6bd4; }

.post-card:hover {
    transform: translateX(5px);
    box-shadow: var(--sk-shadow-lg);
    border-color: var(--sk-border);
    text-decoration: none;
}

.post-card:hover::after { transform: scaleY(1); }

.post-card__date {
    flex-shrink: 0;
    width: 6.5rem;
    text-align: center;
    padding-top: 0.2rem;
}

.post-card__date-day {
    display: block;
    font-family: var(--sk-head);
    font-size: 3rem;
    color: var(--sk-accent);
    line-height: 1;
    margin-bottom: 0.2rem;
}

.post-card--leadership .post-card__date-day { color: #5ba3d9; }
.post-card--community  .post-card__date-day { color: #d4a843; }
.post-card--growth     .post-card__date-day { color: #9b6bd4; }

.post-card__date-month {
    display: block;
    font-family: var(--sk-head);
    font-size: 1rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    color: var(--sk-text-faint);
}

.post-card__body { flex: 1; min-width: 0; }

.post-card__title {
    font-family: var(--sk-head);
    font-size: 2rem;
    color: var(--sk-heading);
    margin-bottom: 0.8rem;
    line-height: 1.35;
    transition: color 0.25s ease;
}

.post-card:hover .post-card__title { color: var(--sk-accent-hi); }

.post-card__excerpt {
    font-size: 1.55rem;
    color: var(--sk-text-dim);
    line-height: 1.7;
    margin-bottom: 1.6rem;
}

.post-card__footer {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.post-card__readtime {
    font-family: var(--sk-head);
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.12rem;
    color: var(--sk-text-faint);
}


/* ===================================================================
 * 09. Post header & layout
 * =================================================================== */
.post-header {
    padding: 13rem 0 5rem;
    background: var(--sk-bg);
    position: relative;
    overflow: hidden;
}

.post-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 72% 45%, var(--sk-accent-dim) 0%, transparent 65%);
    pointer-events: none;
}

.post-header .row { position: relative; z-index: 2; }

.post-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 2.8rem;
    font-family: var(--sk-head);
    font-size: 1.15rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
}

.post-breadcrumb a { color: var(--sk-text-faint); }
.post-breadcrumb a:hover { color: var(--sk-accent); }
.post-breadcrumb__sep { color: var(--sk-text-faint); opacity: 0.5; }
.post-breadcrumb__current { color: var(--sk-accent); }

.post-title {
    font-size: 4rem;
    line-height: 1.18;
    letter-spacing: -0.05rem;
    color: var(--sk-heading);
    margin-bottom: 2rem;
    max-width: 84rem;
}

.post-subtitle {
    font-size: 2rem;
    color: var(--sk-text-dim);
    line-height: 1.65;
    max-width: 70rem;
    margin-bottom: 3rem;
    font-family: var(--sk-body);
    font-weight: normal;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    font-family: var(--sk-head);
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.12rem;
    color: var(--sk-text-faint);
    margin-bottom: 2.4rem;
}

.post-meta__sep { opacity: 0.35; }

/* Two-column layout: TOC (left) + article (right) */
.post-layout {
    display: grid;
    grid-template-columns: 23rem 1fr;
    gap: 5rem;
    align-items: start;
    padding: 5rem 0;
}


/* ===================================================================
 * 10. TOC sidebar
 * =================================================================== */
.post-toc {
    position: sticky;
    top: 9rem;
    max-height: calc(100vh - 12rem);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--sk-border) transparent;
    padding: 2.4rem;
    background: var(--sk-surface);
    border: 1px solid var(--sk-border-sub);
    border-radius: var(--sk-r-lg);
}

.post-toc::-webkit-scrollbar { width: 3px; }
.post-toc::-webkit-scrollbar-thumb {
    background: var(--sk-accent-dim);
    border-radius: 2px;
}

.post-toc__title {
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.22rem;
    text-transform: uppercase;
    color: var(--sk-accent);
    margin-bottom: 1.6rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--sk-border-sub);
}

.toc-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc-nav li {
    border-left: 2px solid var(--sk-border-sub);
    padding-left: 1.2rem;
    margin-bottom: 0.7rem;
    transition: border-color 0.2s ease;
}

.toc-nav li.active { border-left-color: var(--sk-accent); }

.toc-nav a {
    font-size: 1.3rem;
    color: var(--sk-text-dim);
    line-height: 1.5;
    display: block;
    transition: color 0.2s ease;
}

.toc-nav a:hover,
.toc-nav li.active a { color: var(--sk-accent); }

.toc-nav .toc-h3 { padding-left: 2rem; }
.toc-nav .toc-h3 a { font-size: 1.2rem; color: var(--sk-text-faint); }


/* ===================================================================
 * 11. Article typography
 * =================================================================== */
.post-body {
    font-size: 1.75rem;
    line-height: 1.9;
    color: var(--sk-text);
    min-width: 0;
}

.post-body h2 {
    font-size: 2.6rem;
    margin-top: 5rem;
    margin-bottom: 1.8rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--sk-border-sub);
    color: var(--sk-heading);
    scroll-margin-top: 10rem;
}

.post-body h3 {
    font-size: 2.1rem;
    margin-top: 3.6rem;
    margin-bottom: 1.2rem;
    color: var(--sk-heading);
    scroll-margin-top: 10rem;
}

.post-body h4 {
    font-size: 1.75rem;
    margin-top: 2.8rem;
    margin-bottom: 1rem;
    color: var(--sk-heading);
    scroll-margin-top: 10rem;
}

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

.post-body ul,
.post-body ol {
    margin-left: 2.4rem;
    margin-bottom: 2rem;
}

.post-body li { margin-bottom: 0.5rem; }

.post-body strong { color: var(--sk-heading); }

.post-body hr {
    border: none;
    border-top: 1px solid var(--sk-border-sub);
    margin: 4rem 0;
}

/* Inline code */
.post-body code:not([class]) {
    font-family: var(--sk-mono);
    font-size: 0.87em;
    background: var(--sk-code-bg);
    color: var(--sk-accent-hi);
    padding: 0.12em 0.45em;
    border-radius: var(--sk-r);
    border: 1px solid var(--sk-border-sub);
}

/* Post nav at bottom */
.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 6rem;
    padding-top: 4rem;
    border-top: 1px solid var(--sk-border-sub);
}

.post-nav__item {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border-sub);
    border-radius: var(--sk-r-lg);
    padding: 2rem;
    text-decoration: none;
    transition: border-color 0.25s ease, transform 0.25s ease;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.post-nav__item:hover {
    border-color: var(--sk-border);
    transform: translateY(-2px);
    text-decoration: none;
}

.post-nav__label {
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    color: var(--sk-text-faint);
}

.post-nav__title {
    font-family: var(--sk-head);
    font-size: 1.5rem;
    color: var(--sk-heading);
    line-height: 1.35;
}

.post-nav__item--next { text-align: right; }


/* ===================================================================
 * 12. Code blocks (highlight.js compatible)
 * =================================================================== */
.post-body pre {
    margin: 2.8rem 0;
    border-radius: var(--sk-r-lg);
    overflow: hidden;
    border: 1px solid var(--sk-border-sub);
    box-shadow: var(--sk-shadow);
}

.post-body pre code {
    display: block;
    padding: 2.2rem 2.4rem;
    font-family: var(--sk-mono);
    font-size: 1.38rem;
    line-height: 1.72;
    overflow-x: auto;
    background: var(--sk-code-bg);
    color: #c9d1d9;
    scrollbar-width: thin;
    scrollbar-color: var(--sk-border) transparent;
}

/* Language label wrapper */
.code-wrapper {
    position: relative;
    margin: 2.8rem 0;
}

.code-wrapper pre { margin: 0; }

.code-lang {
    position: absolute;
    top: 0; right: 0;
    padding: 0.35rem 1.1rem;
    font-family: var(--sk-head);
    font-size: 0.95rem;
    letter-spacing: 0.12rem;
    text-transform: uppercase;
    color: var(--sk-text-faint);
    background: var(--sk-surface-hi);
    border-bottom-left-radius: var(--sk-r);
    border-top-right-radius: var(--sk-r-lg);
    border-left: 1px solid var(--sk-border-sub);
    border-bottom: 1px solid var(--sk-border-sub);
    pointer-events: none;
}

/* Override highlight.js background */
.post-body .hljs { background: var(--sk-code-bg) !important; }


/* ===================================================================
 * 13. Math — KaTeX blocks
 * =================================================================== */
.math-block {
    overflow-x: auto;
    padding: 2.4rem;
    background: var(--sk-code-bg);
    border: 1px solid var(--sk-border-sub);
    border-radius: var(--sk-r-lg);
    margin: 2.8rem 0;
    text-align: center;
}

.post-body .katex { font-size: 1.6rem; color: var(--sk-text); }
.post-body .katex-display { margin: 0; }


/* ===================================================================
 * 14. Mermaid diagrams
 * =================================================================== */
.mermaid-wrap {
    background: var(--sk-code-bg);
    border: 1px solid var(--sk-border-sub);
    border-radius: var(--sk-r-lg);
    padding: 3rem 2rem;
    margin: 2.8rem 0;
    overflow-x: auto;
}

.mermaid-wrap .mermaid {
    display: flex;
    justify-content: center;
}

.diagram-caption {
    text-align: center;
    font-size: 1.3rem;
    color: var(--sk-text-faint);
    margin-top: 1.2rem;
    font-style: italic;
}


/* ===================================================================
 * 15. Tables & figures
 * =================================================================== */
.post-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2.8rem 0;
    font-size: 1.55rem;
}

.post-body thead tr {
    border-bottom: 2px solid var(--sk-border);
}

.post-body th {
    font-family: var(--sk-head);
    font-size: 1.15rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    color: var(--sk-accent);
    padding: 1rem 1.6rem;
    text-align: left;
}

.post-body td {
    padding: 1rem 1.6rem;
    border-bottom: 1px solid var(--sk-border-sub);
    color: var(--sk-text);
}

.post-body tr:last-child td { border-bottom: none; }

.post-body figure { margin: 3rem 0; }

.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--sk-r-lg);
    border: 1px solid var(--sk-border-sub);
    display: block;
    margin: 0 auto;
}

.post-body figcaption {
    text-align: center;
    font-size: 1.3rem;
    color: var(--sk-text-faint);
    margin-top: 0.8rem;
    font-style: italic;
}


/* ===================================================================
 * 16. Blockquotes & callouts
 * =================================================================== */
.post-body blockquote {
    border-left: 3px solid var(--sk-accent);
    background: var(--sk-accent-dim);
    padding: 1.8rem 2.4rem;
    margin: 2.8rem 0;
    border-radius: 0 var(--sk-r-lg) var(--sk-r-lg) 0;
}

.post-body blockquote p {
    color: var(--sk-text);
    font-style: italic;
    margin-bottom: 0;
    font-size: 1.8rem;
    line-height: 1.8;
}

.post-body blockquote cite {
    display: block;
    margin-top: 1rem;
    font-size: 1.3rem;
    color: var(--sk-text-faint);
    font-style: normal;
    font-family: var(--sk-head);
    letter-spacing: 0.08rem;
}

/* Callout boxes */
.callout {
    padding: 1.8rem 2.4rem;
    border-radius: var(--sk-r-lg);
    margin: 2.8rem 0;
    border-left: 3px solid;
    font-size: 1.6rem;
    line-height: 1.75;
}

.callout--note { background: rgba(91,163,217,0.08); border-color: #5ba3d9; }
.callout--tip  { background: var(--sk-accent-dim);  border-color: var(--sk-accent); }
.callout--warn { background: rgba(212,168,67,0.08); border-color: #d4a843; }

.callout__label {
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.18rem;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    display: block;
}

.callout--note .callout__label { color: #5ba3d9; }
.callout--tip  .callout__label { color: var(--sk-accent); }
.callout--warn .callout__label { color: #d4a843; }


/* ===================================================================
 * 17. References
 * =================================================================== */
.post-references {
    margin-top: 6rem;
    padding-top: 4rem;
    border-top: 1px solid var(--sk-border-sub);
}

.post-references .refs-title {
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.25rem;
    text-transform: uppercase;
    color: var(--sk-accent);
    margin-bottom: 2.4rem;
    display: flex;
    align-items: center;
    gap: 1.4rem;
}

.post-references .refs-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--sk-border-sub);
}

.references-list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: ref;
}

.references-list li {
    counter-increment: ref;
    display: flex;
    gap: 1.6rem;
    margin-bottom: 1.4rem;
    padding-bottom: 1.4rem;
    border-bottom: 1px solid var(--sk-border-sub);
    font-size: 1.5rem;
    color: var(--sk-text-dim);
    line-height: 1.65;
    align-items: flex-start;
}

.references-list li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.references-list li::before {
    content: '[' counter(ref) ']';
    font-family: var(--sk-mono);
    font-size: 1.2rem;
    color: var(--sk-accent);
    flex-shrink: 0;
    margin-top: 0.3rem;
    min-width: 3.2rem;
}

/* Inline citation superscript */
.cite {
    font-family: var(--sk-mono);
    font-size: 0.82em;
    vertical-align: super;
    color: var(--sk-accent);
    text-decoration: none;
    padding: 0 0.1em;
}

.cite:hover { text-decoration: underline; }


/* ===================================================================
 * 18. Tag pills
 * =================================================================== */
.tag {
    display: inline-block;
    padding: 0.3em 0.9em;
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.06rem;
    text-transform: lowercase;
    border-radius: var(--sk-r);
    border: 1px solid var(--sk-border);
    background: var(--sk-accent-dim);
    color: var(--sk-accent);
    transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
    text-decoration: none;
}

.tag:hover {
    background: var(--sk-accent);
    color: #111;
    border-color: var(--sk-accent);
    text-decoration: none;
}

.tag--leadership { border-color: rgba(91,163,217,0.25); background: rgba(91,163,217,0.08); color: #5ba3d9; }
.tag--leadership:hover { background: #5ba3d9; color: #111; border-color: #5ba3d9; }

.tag--community  { border-color: rgba(212,168,67,0.25); background: rgba(212,168,67,0.08); color: #d4a843; }
.tag--community:hover  { background: #d4a843; color: #111; border-color: #d4a843; }

.tag--growth     { border-color: rgba(155,107,212,0.25); background: rgba(155,107,212,0.08); color: #9b6bd4; }
.tag--growth:hover     { background: #9b6bd4; color: #111; border-color: #9b6bd4; }

.tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    align-items: center;
}


/* ===================================================================
 * 19. Experience — collapsible timeline (<details>)
 * =================================================================== */
.experience-wrap { padding: 8rem 0 10rem; }

.exp-filter {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 5rem;
    flex-wrap: wrap;
}

.exp-filter__btn {
    padding: 0.65em 1.9em;
    font-family: var(--sk-head);
    font-size: 1.15rem;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    border: 1px solid var(--sk-border);
    background: transparent;
    color: var(--sk-text-dim);
    border-radius: var(--sk-r);
    cursor: pointer;
    transition: all 0.22s ease;
}

.exp-filter__btn:hover,
.exp-filter__btn.active {
    background: var(--sk-accent);
    border-color: var(--sk-accent);
    color: #111;
}

.exp-section { margin-bottom: 5rem; }

.exp-section-header {
    display: flex;
    align-items: center;
    gap: 1.6rem;
    margin-bottom: 2.8rem;
}

.exp-section-title {
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.28rem;
    text-transform: uppercase;
    color: var(--sk-accent);
    white-space: nowrap;
}

.exp-section-line {
    flex: 1;
    height: 1px;
    background: var(--sk-border-sub);
}

/* Timeline track */
.timeline {
    position: relative;
    padding-left: 3.4rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0.7rem;
    top: 1.2rem;
    bottom: 1.2rem;
    width: 1px;
    background: linear-gradient(to bottom, var(--sk-accent) 0%, var(--sk-border-sub) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.4rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.75rem;
    top: 2.2rem;
    width: 0.9rem;
    height: 0.9rem;
    border-radius: 50%;
    background: var(--sk-bg);
    border: 2px solid var(--sk-border);
    transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
    z-index: 2;
}

.timeline-item[open]::before,
.timeline-item:hover::before {
    background: var(--sk-accent);
    border-color: var(--sk-accent);
    transform: scale(1.25);
}

/* <summary> row */
.timeline-item > summary {
    list-style: none;
    cursor: pointer;
    padding: 1.8rem 2.4rem;
    background: var(--sk-surface);
    border: 1px solid var(--sk-border-sub);
    border-radius: var(--sk-r-lg);
    display: grid;
    grid-template-columns: 12rem 1fr auto;
    gap: 1.6rem;
    align-items: center;
    user-select: none;
    transition: border-color 0.22s ease, background 0.22s ease;
}

.timeline-item > summary::-webkit-details-marker { display: none; }
.timeline-item > summary::marker { display: none; }

.timeline-item > summary:hover { border-color: var(--sk-border); }

.timeline-item[open] > summary {
    border-color: var(--sk-border);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    background: var(--sk-surface-hi);
}

.tl-period {
    font-family: var(--sk-mono);
    font-size: 1.2rem;
    color: var(--sk-accent);
    line-height: 1.3;
}

.tl-info { min-width: 0; }

.tl-title {
    font-family: var(--sk-head);
    font-size: 1.7rem;
    color: var(--sk-heading);
    line-height: 1.3;
    display: block;
    margin-bottom: 0.2rem;
}

.tl-org {
    font-family: var(--sk-head);
    font-size: 1.2rem;
    color: var(--sk-text-faint);
    letter-spacing: 0.04rem;
}

.tl-toggle {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    border: 1px solid var(--sk-border-sub);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sk-text-faint);
    font-size: 1.8rem;
    line-height: 1;
    flex-shrink: 0;
    transition: transform 0.28s ease, border-color 0.22s ease, color 0.22s ease;
}

.timeline-item[open] .tl-toggle {
    transform: rotate(45deg);
    border-color: var(--sk-accent);
    color: var(--sk-accent);
}

/* Expanded content */
.tl-content {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border);
    border-top: none;
    border-radius: 0 0 var(--sk-r-lg) var(--sk-r-lg);
    padding: 2.4rem;
    animation: tl-open 0.22s ease;
}

@keyframes tl-open {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.tl-desc {
    font-size: 1.6rem;
    color: var(--sk-text);
    line-height: 1.8;
    margin-bottom: 1.8rem;
}

.tl-highlights {
    margin: 0 0 1.6rem 1.8rem;
    font-size: 1.5rem;
    color: var(--sk-text-dim);
    line-height: 1.75;
    padding: 0;
}

.tl-highlights li { margin-bottom: 0.5rem; }

.tl-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.4rem;
}


/* ===================================================================
 * 20. Experience — skills cloud
 * =================================================================== */
.skills-section { padding: 5rem 0; }

.skills-title {
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.28rem;
    text-transform: uppercase;
    color: var(--sk-accent);
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1.6rem;
}

.skills-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--sk-border-sub);
}

.skills-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
    align-items: center;
    padding: 2rem 0;
    line-height: 2.8;
}

.skill-pill {
    display: inline-block;
    padding: 0.35em 1em;
    border-radius: var(--sk-r);
    border: 1px solid;
    font-family: var(--sk-head);
    letter-spacing: 0.04rem;
    white-space: nowrap;
    cursor: default;
    transition: opacity 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

/* size tiers based on experience */
.skill-pill--xs { font-size: 1.1rem; opacity: 0.50; }
.skill-pill--sm { font-size: 1.3rem; opacity: 0.65; }
.skill-pill--md { font-size: 1.6rem; opacity: 0.80; }
.skill-pill--lg { font-size: 1.9rem; opacity: 0.92; }
.skill-pill--xl { font-size: 2.2rem; opacity: 1.00; }

.skill-pill:hover { opacity: 1 !important; transform: translateY(-2px); box-shadow: var(--sk-shadow); }

/* colour categories */
.skill-pill--ml   { color: #7dc24b; border-color: rgba(125,194,75, 0.28); background: rgba(125,194,75, 0.07); }
.skill-pill--eng  { color: #5ba3d9; border-color: rgba(91, 163,217,0.28); background: rgba(91, 163,217,0.07); }
.skill-pill--data { color: #d4a843; border-color: rgba(212,168, 67,0.28); background: rgba(212,168, 67,0.07); }
.skill-pill--sci  { color: #9b6bd4; border-color: rgba(155,107,212,0.28); background: rgba(155,107,212,0.07); }
.skill-pill--soft { color: #d97777; border-color: rgba(217,119,119,0.28); background: rgba(217,119,119,0.07); }

.skills-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.8rem;
    margin-top: 2.4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--sk-border-sub);
    font-size: 1.2rem;
    font-family: var(--sk-head);
    color: var(--sk-text-faint);
    letter-spacing: 0.04rem;
}

.skills-legend__item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.skills-legend__dot {
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 50%;
    flex-shrink: 0;
}


/* ===================================================================
 * 21. Growth journey — resource cards
 * =================================================================== */
.growth-wrap { padding: 4rem 0 10rem; }

.growth-section { margin-bottom: 5rem; }

.growth-section-title {
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.22rem;
    text-transform: uppercase;
    color: var(--sk-text-faint);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.growth-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--sk-border-sub);
}

.resource-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.4rem;
}

.resource-card {
    background: var(--sk-surface);
    border: 1px solid var(--sk-border-sub);
    border-radius: var(--sk-r-lg);
    padding: 2.2rem 2.6rem;
    display: grid;
    grid-template-columns: 4.4rem 1fr auto;
    gap: 1.8rem;
    align-items: center;
    text-decoration: none;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.resource-card:hover {
    transform: translateX(4px);
    border-color: var(--sk-border);
    text-decoration: none;
}

.resource-card__type {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    flex-shrink: 0;
}

.rc--paper   .resource-card__type { background: rgba(125,194,75, 0.12); color: #7dc24b; }
.rc--video   .resource-card__type { background: rgba(91, 163,217,0.12); color: #5ba3d9; }
.rc--course  .resource-card__type { background: rgba(155,107,212,0.12); color: #9b6bd4; }
.rc--project .resource-card__type { background: rgba(212,168, 67,0.12); color: #d4a843; }
.rc--book    .resource-card__type { background: rgba(217,119,119,0.12); color: #d97777; }

.resource-card__title {
    font-family: var(--sk-head);
    font-size: 1.65rem;
    color: var(--sk-heading);
    margin-bottom: 0.35rem;
    line-height: 1.3;
    transition: color 0.22s ease;
}

.resource-card:hover .resource-card__title { color: var(--sk-accent-hi); }

.resource-card__meta {
    font-size: 1.2rem;
    color: var(--sk-text-faint);
    font-family: var(--sk-head);
    letter-spacing: 0.04rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.resource-card__status {
    padding: 0.25em 0.75em;
    border-radius: var(--sk-r);
    font-family: var(--sk-head);
    font-size: 0.95rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    flex-shrink: 0;
}

.status--done     { background: rgba(125,194,75, 0.12); color: #7dc24b; }
.status--reading  { background: rgba(212,168, 67,0.12); color: #d4a843; }
.status--queued   { background: rgba(100,100,100,0.10); color: var(--sk-text-faint); }
.status--notes    { background: rgba(91, 163,217,0.12); color: #5ba3d9; }


/* ===================================================================
 * 22. Shared footer for sub-pages
 * =================================================================== */
.sk-footer {
    padding: 4rem 0;
    border-top: 1px solid var(--sk-border-sub);
}

.sk-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.sk-footer__copy {
    font-size: 1.3rem;
    color: var(--sk-text-faint);
    font-family: var(--sk-head);
    letter-spacing: 0.06rem;
}

.sk-footer__links {
    display: flex;
    gap: 2rem;
}

.sk-footer__links a {
    font-size: 1.3rem;
    color: var(--sk-text-faint);
    font-family: var(--sk-head);
    letter-spacing: 0.08rem;
    text-transform: uppercase;
}

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


/* ===================================================================
 * 23. Animations & keyframes
 * =================================================================== */
@keyframes fade-in-up {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.anim-in {
    animation: fade-in-up 0.5s ease both;
}

.anim-in--1 { animation-delay: 0.08s; }
.anim-in--2 { animation-delay: 0.16s; }
.anim-in--3 { animation-delay: 0.24s; }
.anim-in--4 { animation-delay: 0.32s; }
.anim-in--5 { animation-delay: 0.40s; }


/* ===================================================================
 * 24. Utilities
 * =================================================================== */
.sk-row {
    width: 90%;
    max-width: 120rem;
    margin: 0 auto;
}

.sk-row--narrow { max-width: 80rem; }

.sk-divider {
    border: none;
    border-top: 1px solid var(--sk-border-sub);
    margin: 4rem 0;
}

.text-accent  { color: var(--sk-accent); }
.text-dim     { color: var(--sk-text-dim); }
.text-faint   { color: var(--sk-text-faint); }
.text-heading { color: var(--sk-heading); }

.eyebrow {
    display: block;
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.28rem;
    text-transform: uppercase;
    color: var(--sk-accent);
    margin-bottom: 1.4rem;
}

/* Mobile: single-column fallbacks */
@media only screen and (max-width: 900px) {
    .hub-grid { grid-template-columns: 1fr; }
    .post-layout { grid-template-columns: 1fr; }
    .post-toc { position: static; max-height: none; }
    .post-title { font-size: 3rem; }
    .page-hero h1 { font-size: 3.2rem; }
}

@media only screen and (max-width: 600px) {
    .post-card { flex-direction: column; gap: 1.2rem; }
    .post-card__date { width: auto; display: flex; gap: 0.8rem; align-items: baseline; }
    .resource-card { grid-template-columns: 3.2rem 1fr; }
    .resource-card__status { display: none; }
    .timeline-item > summary { grid-template-columns: 1fr auto; }
    .tl-period { display: none; }
    .post-nav { grid-template-columns: 1fr; }
}


/* ===================================================================
 * 25. Resources page — grouped resource lists
 * =================================================================== */
.resource-section-wrap {
    padding: 4rem 0 10rem;
}

.resource-group {
    margin-bottom: 7rem;
}

.resource-group__header {
    margin-bottom: 3.2rem;
    padding-bottom: 1.6rem;
    border-bottom: 1px solid var(--sk-border-sub);
}

.resource-group__eyebrow {
    display: block;
    font-family: var(--sk-head);
    font-size: 1.05rem;
    letter-spacing: 0.28rem;
    text-transform: uppercase;
    color: var(--sk-accent);
    margin-bottom: 0.8rem;
}

.resource-group__title {
    font-family: var(--sk-head);
    font-size: clamp(2.4rem, 3.5vw, 3.2rem);
    color: var(--sk-heading);
    margin: 0;
}

.resource-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* Resource card variant for resources.html (icon / body / status layout) */
.resource-card__icon {
    font-size: 1.8rem;
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sk-accent-dim);
    border-radius: var(--sk-r);
    flex-shrink: 0;
}

.resource-card__body {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}

.resource-card__name {
    font-family: var(--sk-head);
    font-size: 1.6rem;
    color: var(--sk-heading);
    line-height: 1.3;
    transition: color 0.22s ease;
}

.resource-card:hover .resource-card__name { color: var(--sk-accent-hi); }

.resource-card__desc {
    font-size: 1.35rem;
    color: var(--sk-text-dim);
    line-height: 1.6;
}

.resource-card__status--free {
    background: rgba(125, 194, 75, 0.10);
    color: #7dc24b;
    padding: 0.25em 0.75em;
    border-radius: var(--sk-r);
    font-family: var(--sk-head);
    font-size: 0.9rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    flex-shrink: 0;
    border: 1px solid rgba(125,194,75,0.18);
}

.resource-card__status--paid {
    background: rgba(212, 168, 67, 0.10);
    color: #d4a843;
    padding: 0.25em 0.75em;
    border-radius: var(--sk-r);
    font-family: var(--sk-head);
    font-size: 0.9rem;
    letter-spacing: 0.1rem;
    text-transform: uppercase;
    flex-shrink: 0;
    border: 1px solid rgba(212,168,67,0.18);
}

@media only screen and (max-width: 600px) {
    .resource-card__status--free,
    .resource-card__status--paid { display: none; }
}


/* ===================================================================
 * 26. Site ribbon — fixed vertical nav dots for non-home sk-pages
 * =================================================================== */
.site-ribbon {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 490;
}

.site-ribbon ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    align-items: center;
}

/* Share ribbon-dot styles — works for both .section-ribbon (home) and .site-ribbon */
.site-ribbon .ribbon-dot {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 0.85rem;
    height: 0.85rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.22);
    border: 1.5px solid rgba(255, 255, 255, 0.18);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.25s ease, transform 0.25s ease,
                border-color 0.25s ease, box-shadow 0.25s ease;
}

[data-theme="light"] .site-ribbon .ribbon-dot {
    background: rgba(0, 0, 0, 0.18);
    border-color: rgba(0, 0, 0, 0.14);
}

.site-ribbon .ribbon-dot:hover {
    background: var(--sk-accent);
    border-color: var(--sk-accent);
    transform: scale(1.5);
    box-shadow: 0 0 10px var(--sk-accent-glow);
    text-decoration: none;
}

.site-ribbon .ribbon-dot.active {
    background: var(--sk-accent);
    border-color: var(--sk-accent);
    transform: scale(1.4);
    box-shadow: 0 0 8px var(--sk-accent-glow);
}

.site-ribbon .ribbon-label {
    position: absolute;
    right: calc(100% + 1rem);
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--sk-head);
    font-size: 1.0rem;
    letter-spacing: 0.15rem;
    text-transform: uppercase;
    color: var(--sk-text-dim);
    background: var(--sk-surface);
    border: 1px solid var(--sk-border-sub);
    padding: 0.3rem 0.9rem;
    border-radius: 0.35rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.site-ribbon .ribbon-dot:hover .ribbon-label {
    opacity: 1;
}

@media screen and (max-width: 900px) {
    .site-ribbon { display: none; }
}