/* ===== VARIABLES ===== */
:root {
    --bg: #eae6e1;
    --bg-card: #ffffff;
    --accent: #e63946;
    --accent-hover: #c1121f;
    --yellow: #ffd166;
    --text: #1a1a1a;
    --text-secondary: #6b6b6b;
    --border: #1a1a1a;
    --shadow: #1a1a1a;
    --r: 6px;
}

[data-theme="dark"] {
    --bg: #0f0f0f;
    --bg-card: #1f1f1f;
    --accent: #ff5566;
    --accent-hover: #ff7a8a;
    --yellow: #ffd166;
    --text: #f4f4f4;
    --text-secondary: #a8a8a8;
    --border: #f4f4f4;
    --shadow: #f4f4f4;
}

/* ===== RESET ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Fira Code', 'Roboto Mono', monospace;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.2s, color 0.2s;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ===== NEOBRUTALIST BASE ===== */
.neo {
    border: 2.5px solid var(--border);
    border-radius: var(--r);
    box-shadow: 4px 4px 0 var(--shadow);
    transition: all 0.15s ease;
}

.neo:hover {
    box-shadow: 2px 2px 0 var(--shadow);
    transform: translate(2px, 2px);
}

/* ===== NAVBAR ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 2rem;
    background-color: var(--bg-card);
    border-bottom: 2.5px solid var(--border);
}

.nav-logo {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.nav-logo span {
    color: var(--accent);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-right a,
.nav-right button {
    width: 2rem;
    height: 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: 0.8rem;
    font-family: inherit;
    font-weight: 700;
    letter-spacing: 0.5px;
    border: 2px solid var(--border);
    border-radius: var(--r);
    box-shadow: 2px 2px 0 var(--shadow);
    transition: all 0.15s ease;
    cursor: pointer;
}

.nav-right a {
    color: var(--text-secondary);
    background-color: var(--bg-card);
}

.nav-right a:hover,
.nav-right button:hover {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 var(--shadow);
    color: var(--accent);
}

.theme-toggle {
    background-color: var(--yellow);
    color: #1a1a1a;
}

.theme-toggle:hover {
    color: #1a1a1a;
}

.lang-toggle {
    background-color: var(--bg-card);
    color: var(--text);
}

.lang-toggle .lang-label {
    font-size: 0.7rem;
    letter-spacing: 1px;
}

/* ===== LAYOUT ===== */
main {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    flex: 1;
    min-height: calc(100vh - 8rem);
}

/* ===== PAGE HEADER ===== */
.page-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.page-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.3rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 1px;
}

/* ===== PAGE RANGE LABEL ===== */
.page-range {
    text-align: center;
    margin-top: -1.5rem;
    margin-bottom: 2rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: opacity 0.22s ease;
    min-height: 1rem;
}

.page-range:empty {
    display: none;
}

.page-range.is-fading {
    opacity: 0;
}

/* ===== ARCHIVE (TAG-GROUPED) ===== */
.articles-archive {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.articles-archive.is-fading {
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
}

.tag-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tag-section-heading {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    padding-bottom: 0.5rem;
    border-bottom: 2.5px solid var(--border);
}

.tag-section-heading::before {
    content: '';
    width: 0.55rem;
    height: 0.55rem;
    background-color: var(--accent);
    border: 2px solid var(--border);
    border-radius: 2px;
    box-shadow: 2px 2px 0 var(--shadow);
    flex-shrink: 0;
    align-self: center;
}

.tag-section-label {
    color: var(--text);
}

.tag-section-count {
    font-size: 0.7rem;
    color: var(--text-secondary);
    letter-spacing: 1.5px;
    margin-left: auto;
}

/* ===== ARTICLES GRID ===== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(200px, 1fr);
    gap: 1.25rem;
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.articles-grid.is-fading {
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
}

.articles-grid .article-card {
    min-width: 0;
    min-height: 200px;
}

.articles-grid .article-card:last-child:nth-child(3n+1) {
    grid-column: 2;
}


/* ===== ARTICLE CARD ===== */
.article-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--r);
    overflow: hidden;
    box-shadow: 5px 5px 0 var(--shadow);
    transition: transform .3s cubic-bezier(.2,.8,.2,1),
                box-shadow .3s cubic-bezier(.2,.8,.2,1);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.article-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 8px 8px 0 var(--shadow);
}

.article-card .card-header {
    padding: .65rem 1.05rem;
    background: var(--accent);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--border);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .5px;
}

.card-header-tag {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    font-size: .72rem;
    color: inherit;
}

.card-header-date {
    color: rgba(255, 255, 255, .85);
    font-size: .7rem;
    font-weight: 700;
}

.card-body {
    padding: 1.15rem 1.05rem .9rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-title {
    font-weight: 700;
    font-size: .92rem;
    line-height: 1.4;
    letter-spacing: -.005em;
    margin-bottom: .6rem;
    flex: 1;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: .75rem;
    border-top: 1px dashed color-mix(in oklab, var(--border) 30%, transparent);
    font-size: .74rem;
}

.card-meta {
    color: var(--text-secondary);
    font-weight: 700;
    display: flex;
    gap: 0.6rem;
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-read {
    font-weight: 700;
    color: var(--text);
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    transition: gap .25s ease, color .25s ease;
}

.article-card:hover .card-read {
    gap: .6rem;
    color: var(--accent);
}

.card-read .arrow {
    display: inline-block;
    transition: transform .3s cubic-bezier(.2,.8,.2,1);
}

.article-card:hover .card-read .arrow {
    transform: translateX(3px);
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
    transition: opacity 0.22s ease;
}

.pagination.is-fading {
    opacity: 0;
    pointer-events: none;
}

.pagination:empty {
    display: none;
}

.pagination-btn {
    font-family: inherit;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    transition: color 0.15s ease, transform 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.pagination-btn:hover:not(:disabled) {
    color: var(--accent);
    transform: translateX(-2px);
}

.pagination-btn[data-nav="next"]:hover:not(:disabled) {
    transform: translateX(2px);
}

.pagination-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

.pagination-counter {
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    letter-spacing: 1px;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: baseline;
    gap: 0.35rem;
    user-select: none;
}

.pagination-current {
    color: var(--text);
    font-weight: 700;
}

.pagination-sep {
    opacity: 0.4;
}

/* ===== LOADING & EMPTY ===== */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    width: 100%;
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
    width: 100%;
}

/* ===== ARTICLE PAGE ===== */
.article-page {
    max-width: 1040px;
}

.article-layout {
    position: relative;
}

.back-btn {
    position: fixed;
    left: 2rem;
    top: 5.5rem;
    z-index: 50;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #1a1a1a;
    background-color: var(--yellow);
    padding: 0.4rem 0.85rem;
    border: 2px solid var(--border);
    border-radius: var(--r);
    box-shadow: 3px 3px 0 var(--shadow);
    transition: all 0.15s ease;
}

.back-btn:hover {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--shadow);
}

.article-header-box {
    background-color: var(--bg-card);
    border: 2.5px solid var(--border);
    border-radius: var(--r);
    box-shadow: 4px 4px 0 var(--shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.article-header-top {
    padding: 0.6rem 1.25rem;
    background-color: var(--accent);
    border-bottom: 2.5px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-header-top span {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #fff;
}

.article-header-body {
    padding: 1.25rem;
}

.article-header-body .article-title {
    font-size: clamp(1.35rem, 3.5vw, 1.8rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.5px;
    margin-bottom: 0.85rem;
}

.article-header-body .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 700;
}

.article-header-body .article-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* ===== TABLE OF CONTENTS ===== */
.toc {
    position: fixed;
    right: 3.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 180px;
    max-height: 70vh;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.toc::-webkit-scrollbar {
    display: none;
}

.toc-title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
}

.toc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
}

.toc-link {
    display: block;
    font-size: 0.7rem;
    line-height: 1.35;
    padding: 0.25rem 0;
    color: var(--text-secondary);
    transition: color 0.15s;
    font-weight: 400;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.toc-link.active {
    color: var(--accent);
    font-weight: 700;
}

.toc-link[data-level="3"] {
    padding-left: 0.75rem;
    font-size: 0.65rem;
}

/* ===== ARTICLE CONTENT ===== */
.article-content-box {
    background-color: var(--bg-card);
    border: 2.5px solid var(--border);
    border-radius: var(--r);
    box-shadow: 4px 4px 0 var(--shadow);
    padding: 1.75rem 1.5rem;
}

.article-content {
    font-size: 0.92rem;
    line-height: 1.8;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
    font-weight: 700;
    margin: 1.75rem 0 0.6rem;
    color: var(--text);
    letter-spacing: 0.5px;
}

.article-content h1 { font-size: 1.5rem; }

.article-content h2 {
    font-size: 1.25rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--border);
}

.article-content h3 { font-size: 1.05rem; }
.article-content h4 { font-size: 0.95rem; }

.article-content p {
    margin-bottom: 1.1rem;
    color: var(--text);
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.1rem;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.35rem;
}

.article-content strong {
    color: var(--accent);
}

.article-content blockquote {
    border-left: 4px solid var(--accent);
    background-color: var(--bg);
    padding: 0.85rem 1.1rem;
    margin: 1.1rem 0;
    color: var(--text-secondary);
    font-style: italic;
}

.article-content code {
    padding: 0.1rem 0.35rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.83em;
    background-color: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: 4px;
    color: var(--accent);
}

.article-content pre {
    padding: 1.15rem;
    overflow-x: auto;
    margin: 1.1rem 0;
    background-color: #1a1a1a;
    color: #f0f0f0;
    border: 2.5px solid var(--border);
    border-radius: var(--r);
    box-shadow: 4px 4px 0 var(--shadow);
    scrollbar-width: thin;
    scrollbar-color: #444 #1a1a1a;
}

.article-content pre::-webkit-scrollbar {
    height: 6px;
}

.article-content pre::-webkit-scrollbar-track {
    background: #1a1a1a;
}

.article-content pre::-webkit-scrollbar-thumb {
    background: #444;
    border-radius: 3px;
}

.article-content pre::-webkit-scrollbar-thumb:hover {
    background: #666;
}

.article-content pre code {
    background: none;
    padding: 0;
    border: none;
    color: inherit;
    font-size: 0.83rem;
}

.article-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 700;
}

.article-content a:hover {
    color: var(--accent-hover);
}

.article-content img {
    max-width: 100%;
    height: auto;
    margin: 1.1rem 0;
    border: 2.5px solid var(--border);
    border-radius: var(--r);
    box-shadow: 4px 4px 0 var(--shadow);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.1rem 0;
    border: 2.5px solid var(--border);
    font-size: 0.85rem;
}

.article-content th,
.article-content td {
    border: 1.5px solid var(--border);
    padding: 0.5rem 0.65rem;
    text-align: left;
}

.article-content th {
    background-color: var(--accent);
    color: #fff;
    font-weight: 700;
}

.article-content tr:nth-child(even) {
    background-color: var(--bg);
}

.hljs {
    background: transparent !important;
}

/* ===== ERROR ===== */
.error {
    background-color: var(--bg-card);
    border: 2.5px solid var(--accent);
    border-radius: var(--r);
    box-shadow: 4px 4px 0 var(--shadow);
    color: var(--text);
    padding: 1.25rem;
    text-align: center;
    font-weight: 700;
}

.error a {
    color: var(--accent);
    text-decoration: underline;
}

/* ===== FOOTER ===== */
footer {
    margin-top: auto;
    padding: 0.6rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-card);
    border-top: 2.5px solid var(--border);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

footer .footer-links {
    display: flex;
    gap: 0.75rem;
}

footer .footer-links a {
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: color 0.15s;
}

footer .footer-links a:hover {
    color: var(--accent);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .toc { display: none; }

    .back-btn {
        position: static;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 960px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .articles-grid .article-card:last-child:nth-child(3n+1) {
        grid-column: auto;
    }

    .articles-grid .article-card:last-child:nth-child(2n+1) {
        grid-column: 1 / -1;
        max-width: calc(50% - 0.625rem);
        justify-self: center;
    }

}

@media (max-width: 700px) {
    .navbar { padding: 0.7rem 1rem; }
    main { padding: 1.5rem 1rem; }
    .page-header h1 { font-size: 1.6rem; }

    .articles-grid {
        grid-template-columns: 1fr;
    }


    .pagination {
        gap: 1.15rem;
    }

    .pagination-btn,
    .pagination-counter {
        font-size: 0.8rem;
    }

    .article-header-body .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
    }

    .article-content-box { padding: 1.25rem 1rem; }

    footer {
        flex-direction: column;
        gap: 0.35rem;
        text-align: center;
        padding: 0.6rem 1rem;
    }
}

/* ===== CONTINUOUS HORIZONTAL PANORAMA (home only) =====
   One scrollable surface. About sits left (most of the viewport);
   the articles panel peeks in from the right edge. Panning (wheel,
   drag, keys, hint) glides across — no tabs, no page swap. */
body.home {
    height: 100vh;
    overflow: hidden;
}

body.home main.pages-main {
    max-width: none;
    width: 100%;
    margin: 0;
    padding: 0;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
    position: relative;
}

.pan {
    display: flex;
    width: 100%;
    height: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    cursor: grab;
}

.pan::-webkit-scrollbar { display: none; }
.pan.is-dragging { cursor: grabbing; }
.pan.is-dragging * { user-select: none !important; }

.panel {
    flex: 0 0 auto;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 2rem 1.5rem 4rem;
    box-sizing: border-box;
    scroll-snap-align: start;
    scrollbar-gutter: stable;
}

/* each page owns the full viewport; the pan hint invites the move to articles */
.panel-about    { width: 100vw; }
.panel-articles { width: 100vw; }

.page-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

/* contextual pan hint (replaces the old tab dots) */
.pan-hint {
    position: absolute;
    right: clamp(1rem, 3vw, 2.5rem);
    bottom: 1.6rem;
    z-index: 6;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.85rem;
    background: var(--bg-card);
    border: 2.5px solid var(--border);
    border-radius: var(--r);
    box-shadow: 4px 4px 0 var(--shadow);
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text);
    cursor: pointer;
    transition: box-shadow 0.15s, transform 0.15s, color 0.15s;
}

.pan-hint:hover {
    box-shadow: 2px 2px 0 var(--shadow);
    transform: translate(2px, 2px);
    color: var(--accent);
}

.pan-hint i {
    color: var(--accent);
    animation: pan-nudge 1.4s ease-in-out infinite;
}

.pan-hint[data-dir="back"] i { animation: pan-nudge-back 1.4s ease-in-out infinite; }

@keyframes pan-nudge      { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(4px); } }
@keyframes pan-nudge-back { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(-4px); } }

@media (max-width: 700px) {
    .panel-about    { width: 100vw; }
    .panel-articles { width: 100vw; }
    .panel { padding: 1.5rem 1rem 3.5rem; }
}

@media (prefers-reduced-motion: reduce) {
    .pan-hint i { animation: none !important; }
}

/* === ABOUT PAGE === */
.page-about .about-content {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 1rem;
    padding: 1rem 0 2rem;
}

.about-bio {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 40rem;
    margin: 0;
}

/* === ABOUT (rich portfolio hero) === */
.page-about .about-content.about-rich {
    justify-content: center;
    align-items: stretch;
    text-align: left;
    padding-top: clamp(1.5rem, 5vh, 3rem);
    padding-bottom: 2.5rem;
    gap: 0;
    max-width: 62rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: clamp(1.75rem, 4vw, 3.5rem);
    align-items: start;
    width: 100%;
}

.about-col {
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
    min-width: 0;
}

.about-name {
    font-size: clamp(2.2rem, 5.5vw, 3.4rem);
    font-weight: 700;
    line-height: 1.02;
    letter-spacing: -1.5px;
    margin: 0;
}
.about-name .accent { color: var(--accent); }

.about-role {
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--text-secondary);
    margin: -0.7rem 0 0;
}

.about-bio-rich {
    font-size: 0.98rem;
    line-height: 1.7;
    color: var(--text);
    max-width: 32rem;
    margin: 0;
}
.about-bio-rich .p { color: var(--accent); font-weight: 700; margin-right: 0.4rem; }

.about-block { width: 100%; }

.about-rich .lbl {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.85rem;
}
.about-rich .lbl::after {
    content: '';
    flex: 1;
    height: 1px;
    background: color-mix(in oklab, var(--border) 18%, transparent);
}

/* skills as neobrutalist chips */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.32rem 0.65rem;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--r);
    box-shadow: 2px 2px 0 var(--shadow);
    transition: transform 0.12s, box-shadow 0.12s, color 0.12s, border-color 0.12s;
}
.chip:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 var(--shadow);
}

/* experience timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-left: 1.1rem;
    border-left: 2px solid color-mix(in oklab, var(--border) 28%, transparent);
}
.tl-item { position: relative; }
.tl-when { display: block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.5px; color: var(--text-secondary); }
.tl-body { display: flex; flex-direction: column; }
.tl-where { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.tl-role  { font-size: 0.76rem; font-weight: 600; color: var(--accent); }

/* contact buttons */
.contact-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.45rem 0.85rem;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--r);
    box-shadow: 3px 3px 0 var(--shadow);
    transition: transform 0.12s, box-shadow 0.12s, color 0.12s, border-color 0.12s;
}
.contact-btn i { color: var(--accent); }
.contact-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--shadow);
}

@media (max-width: 820px) {
    .page-about .about-content.about-rich { max-width: 34rem; }
    .about-grid { grid-template-columns: 1fr; gap: 1.9rem; }
    .about-col { gap: 1.4rem; }
}

/* === EDGE NAV (click corners to switch pages) === */
.edge-nav {
    position: absolute;
    top: 0;
    bottom: 0;
    width: clamp(48px, 7vw, 88px);
    z-index: 4;
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, color 0.2s ease, background 0.25s ease;
    overflow: hidden;
}

.edge-nav-left  { left: 0; }
.edge-nav-right { right: 0; }

/* Show only the edge relevant for the current page */
.pages-viewport[data-current-page="about"] .edge-nav-right,
.pages-viewport[data-current-page="articles"] .edge-nav-left {
    opacity: 0.45;
    pointer-events: auto;
}

.edge-nav:hover {
    opacity: 1;
    color: var(--accent);
}

.edge-nav-right:hover {
    background: linear-gradient(to left, color-mix(in oklab, var(--accent) 14%, transparent), transparent 70%);
}

.edge-nav-left:hover {
    background: linear-gradient(to right, color-mix(in oklab, var(--accent) 14%, transparent), transparent 70%);
}

.edge-nav i {
    transition: transform 0.25s cubic-bezier(.2,.8,.2,1);
}

.edge-nav-right:hover i { transform: translateX(4px); }
.edge-nav-left:hover  i { transform: translateX(-4px); }

/* Slash flash on click */
.edge-nav::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent);
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 0 18px 4px var(--accent);
}

.edge-nav-right::after { right: 0; }
.edge-nav-left::after  { left: 0; }

.edge-nav:active::after {
    animation: edge-slash 0.45s cubic-bezier(.2,.8,.2,1);
}

@keyframes edge-slash {
    0%   { opacity: 0; transform: scaleY(0.2); }
    35%  { opacity: 1; transform: scaleY(1); }
    100% { opacity: 0; transform: scaleY(1.05); }
}

/* === PAGE DOTS === */
.page-dots {
    position: absolute;
    bottom: 1.4rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.55rem;
    z-index: 5;
}

.page-dot {
    width: 0.85rem;
    height: 0.85rem;
    padding: 0;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 2px;
    box-shadow: 2px 2px 0 var(--shadow);
    cursor: pointer;
    transition: background 0.2s, transform 0.18s, box-shadow 0.18s, width 0.28s;
}

.page-dot:hover {
    transform: translate(1px, 1px);
    box-shadow: 1px 1px 0 var(--shadow);
}

.page-dot.active {
    background: var(--accent);
    width: 1.85rem;
}

@media (max-width: 700px) {
    .page {
        padding: 1.5rem 1rem 3.5rem;
    }
    .page-about .about-content {
        gap: 1rem;
    }
    .about-name {
        letter-spacing: 1.5px;
    }
    .swipe-hint {
        font-size: 0.65rem;
        letter-spacing: 1.5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pages-track {
        transition: none !important;
    }
    .swipe-arrow {
        animation: none;
    }
}

/* === "VIEW ALL ARTICLES" LINK (home) === */
.view-all-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.75rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text);
    text-decoration: none;
    border-bottom: 2.5px solid var(--accent);
    padding-bottom: 2px;
    transition: color 0.15s, transform 0.15s;
}

.view-all-link::after {
    content: "\2192"; /* → */
    transition: transform 0.15s;
}

.view-all-link:hover {
    color: var(--accent);
}

.view-all-link:hover::after {
    transform: translateX(4px);
}

/* === ARCHIVE SEARCH (all-articles page) === */
.archive-search {
    position: relative;
    max-width: 28rem;
    margin: 0 auto 2.5rem;
}

.archive-search i {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.85rem;
    pointer-events: none;
}

.archive-search input {
    width: 100%;
    box-sizing: border-box;
    padding: 0.7rem 1rem 0.7rem 2.4rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text);
    background: var(--bg-card);
    border: 2.5px solid var(--border);
    border-radius: var(--r);
    box-shadow: 4px 4px 0 var(--shadow);
    transition: box-shadow 0.15s, transform 0.15s;
}

.archive-search input:focus {
    outline: none;
    box-shadow: 2px 2px 0 var(--accent);
    transform: translate(2px, 2px);
}

.archive-search input::placeholder {
    color: var(--text-secondary);
}