/* ============================================================
   CUSTOM PROPERTIES
   ============================================================ */

:root {
    --color-bg:           #FAFAF8;
    --color-text:         #1A1A18;
    --color-secondary:    #888880;
    --color-accent:       #C4511A;
    --color-accent-hover: #A03D10;
    --color-divider:      #E8E8E4;
    --color-surface:      #F0F0EC;
    --color-header-bg:    rgba(250, 250, 248, 0.82);

    --font-serif: var(--gh-font-heading, 'Source Serif 4', Georgia, 'Times New Roman', serif);
    --font-sans:  var(--gh-font-body, 'Inter', system-ui, -apple-system, sans-serif);

    --content-width: 680px;
    --outer-width:   840px;
    --wrap-width:    1180px;
    --header-height: 72px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg:           #141412;
        --color-text:         #F0F0EC;
        --color-secondary:    #68686A;
        --color-accent:       #E0794B;
        --color-accent-hover: #F2935E;
        --color-divider:      #2C2C28;
        --color-surface:      #1E1E1A;
        --color-header-bg:    rgba(20, 20, 18, 0.82);
    }
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
    font-size: 18px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-serif);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
    padding: calc(var(--header-height) + 2.5rem) 1.5rem 6rem;
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    padding: 0 1.5rem;
    border-bottom: 1px solid transparent;
    background-color: transparent;
    transition: background-color 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}

.site-header.is-scrolled {
    background-color: var(--color-header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom-color: var(--color-divider);
}

.site-nav {
    max-width: var(--wrap-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.5rem;
    height: var(--header-height);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    transition: opacity 0.15s ease;
}

.site-logo:hover {
    opacity: 0.75;
}

.site-logo-mark {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--color-text);
    color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: -0.02em;
}

.site-logo-word {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    justify-self: center;
    gap: 2rem;
}

.nav-links a {
    font-family: var(--font-sans);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
}

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

.nav-subscribe {
    justify-self: end;
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
    max-width: var(--wrap-width);
    margin: 0 auto;
    padding-bottom: 4.5rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.eyebrow::before {
    content: "";
    width: 22px;
    height: 2px;
    background: currentColor;
    display: inline-block;
}

.hero-title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(2.25rem, 5vw, 3.4rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 1.1rem;
}

.hero-title em {
    color: var(--color-accent);
    font-style: italic;
}

.hero-sub {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    color: var(--color-secondary);
    line-height: 1.6;
    max-width: 480px;
    margin-bottom: 1.75rem;
}

.hero-cta {
    display: flex;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    line-height: 1;
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-sm {
    padding: 0.42rem 1rem;
    font-size: 0.8rem;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-1px);
    background: var(--color-accent-hover);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    box-shadow: inset 0 0 0 1.5px var(--color-divider);
}

.btn-ghost:hover {
    box-shadow: inset 0 0 0 1.5px var(--color-text);
}

.hero-portrait {
    position: relative;
    justify-self: end;
    width: 260px;
    max-width: 100%;
}

.portrait-ring {
    position: absolute;
    top: -14px;
    right: -14px;
    bottom: -14px;
    left: -14px;
    border-radius: 32px;
    background: var(--color-accent);
    transform: rotate(-3deg);
    opacity: 0.16;
    z-index: 1;
}

.portrait-img {
    position: relative;
    z-index: 2;
    width: 100%;
    aspect-ratio: 1 / 1.05;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: 0 30px 60px -28px rgba(20, 20, 18, 0.35);
}

@media (max-width: 880px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-portrait {
        justify-self: center;
        width: 200px;
        order: -1;
    }
}

/* ============================================================
   POST LIST
   ============================================================ */

.post-list-container,
.tag-container,
.author-container {
    max-width: var(--outer-width);
    margin: 0 auto;
    margin-left: max(0px, calc((100% - var(--wrap-width)) / 2));
}

.home-layout {
    max-width: var(--wrap-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
    gap: 3.5rem;
    align-items: start;
}

.home-layout .post-list-container {
    max-width: none;
    margin: 0;
}

@media (max-width: 880px) {
    .home-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.site-description {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-secondary);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--color-divider);
    max-width: var(--content-width);
}

.list-heading {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--color-divider);
}

.post-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.post-list-item {
    border: 1px solid var(--color-divider);
    border-radius: 14px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.post-list-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px -26px rgba(20, 20, 18, 0.3);
    border-color: transparent;
}

.post-list-link {
    display: block;
    padding: 1.5rem 1.75rem;
    text-decoration: none;
    color: inherit;
}

.post-list-link:hover .post-list-title {
    color: var(--color-accent);
}

.post-list-meta {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.post-list-title {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.25;
    letter-spacing: -0.015em;
    margin-bottom: 0.4rem;
    transition: color 0.15s ease;
}

.post-list-excerpt {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    color: var(--color-secondary);
    line-height: 1.55;
}

.list-more-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 1.75rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.15s ease;
}

.list-more-link:hover {
    color: var(--color-accent-hover);
}

/* ============================================================
   INITIATIVES
   ============================================================ */

.initiative-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.initiative-button {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--color-divider);
    border-radius: 14px;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

a.initiative-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px -26px rgba(20, 20, 18, 0.3);
    border-color: transparent;
}

.initiative-button-empty {
    border-style: dashed;
    color: var(--color-secondary);
}

.initiative-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--color-surface);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.initiative-button-empty .initiative-icon {
    color: var(--color-secondary);
}

.initiative-icon svg {
    width: 17px;
    height: 17px;
}

.initiative-text {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 0;
}

.initiative-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.3;
}

.initiative-button-empty .initiative-name {
    color: var(--color-secondary);
}

.initiative-tagline {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    color: var(--color-secondary);
    line-height: 1.45;
}

.initiative-badge {
    font-family: var(--font-sans);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-accent);
    background: var(--color-surface);
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
}

.initiative-badge-muted {
    color: var(--color-secondary);
}

/* ============================================================
   SINGLE POST HEADER
   ============================================================ */

.post {
    max-width: var(--content-width);
    margin: 0 auto;
}

.post-header {
    margin-bottom: 2rem;
}

.post-date {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.85rem;
}

.post-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.4rem);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.022em;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.post-byline {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-secondary);
}

.post-byline-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.post-byline-name {
    color: var(--color-text);
    font-weight: 600;
}

.post-meta-details {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.post-reading-time {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    text-transform: none;
    letter-spacing: normal;
    font-weight: 500;
    color: var(--color-secondary);
}

.post-reading-time-icon {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.post-tags {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
    color: var(--color-secondary);
}

.post-tag {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
}

.post-tag:hover {
    color: var(--color-accent);
}

.post-divider {
    border: none;
    border-top: 1px solid var(--color-divider);
    margin: 2.25rem 0 2.75rem;
}

/* ============================================================
   POST BODY TYPOGRAPHY
   ============================================================ */

.post-content {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    line-height: 1.75;
    color: var(--color-text);
}

.post-content > * + * {
    margin-top: 1.5em;
}

.post-content p {
    margin: 0 0 1.5em;
}

.post-content p:last-child {
    margin-bottom: 0;
}

.post-content h2 {
    font-family: var(--font-serif);
    font-size: 1.55rem;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.015em;
    color: var(--color-text);
    margin: 2.75em 0 0.6em;
}

.post-content h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.35;
    margin: 2.25em 0 0.55em;
}

.post-content h4,
.post-content h5,
.post-content h6 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    margin: 1.75em 0 0.4em;
}

.post-content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 0.18em;
    text-decoration-thickness: 1px;
    transition: color 0.15s ease;
}

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

.post-content strong {
    font-weight: 600;
}

.post-content em {
    font-style: italic;
}

.post-content blockquote {
    border-left: 2px solid var(--color-divider);
    padding-left: 1.4em;
    margin: 2em 0;
    color: var(--color-secondary);
    font-style: italic;
}

.post-content blockquote p {
    margin: 0;
}

.post-content ul,
.post-content ol {
    padding-left: 1.5em;
    margin: 0 0 1.5em;
}

.post-content li {
    margin-bottom: 0.45em;
}

.post-content li:last-child {
    margin-bottom: 0;
}

.post-content li > ul,
.post-content li > ol {
    margin-top: 0.45em;
    margin-bottom: 0;
}

.post-content hr {
    border: none;
    border-top: 1px solid var(--color-divider);
    margin: 3rem 0;
}

.post-content pre {
    background: var(--color-surface);
    border-radius: 4px;
    padding: 1.1em 1.4em;
    overflow-x: auto;
    font-size: 0.82rem;
    line-height: 1.65;
    margin: 0 0 1.5em;
}

.post-content code {
    font-family: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
    font-size: 0.83em;
    background: var(--color-surface);
    padding: 0.12em 0.38em;
    border-radius: 3px;
}

.post-content pre code {
    background: none;
    padding: 0;
    font-size: inherit;
    border-radius: 0;
}

.post-content figure {
    margin: 2em 0;
}

.post-content figcaption {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: var(--color-secondary);
    text-align: center;
    margin-top: 0.65em;
    line-height: 1.5;
}

.post-content img {
    border-radius: 2px;
    margin: 0 auto;
}

.post-content .kg-width-wide {
    width: 920px;
    max-width: 920px;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.post-content .kg-width-full {
    width: 100vw;
    max-width: var(--wrap-width);
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.post-content .kg-width-full img {
    border-radius: 0;
}

/* Ghost card: bookmark */
.post-content .kg-bookmark-card {
    border: 1px solid var(--color-divider);
    border-radius: 4px;
    overflow: hidden;
}

.post-content .kg-bookmark-container {
    display: flex;
    text-decoration: none;
    color: inherit;
}

.post-content .kg-bookmark-content {
    padding: 1em 1.2em;
    flex: 1;
}

.post-content .kg-bookmark-title {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.25em;
}

.post-content .kg-bookmark-description {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--color-secondary);
    line-height: 1.5;
}

.post-content .kg-bookmark-metadata {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--color-secondary);
    margin-top: 0.6em;
}

/* Ghost card: callout */
.post-content .kg-callout-card {
    background: var(--color-surface);
    border-radius: 4px;
    padding: 1em 1.25em;
    display: flex;
    gap: 0.75em;
}

.post-content .kg-callout-text {
    font-size: 0.95em;
}

/* ============================================================
   POST FOOTER / SUBSCRIBE
   ============================================================ */

.post-footer {
    margin-top: 5rem;
}

.subscribe-box {
    background: var(--color-surface);
    border-radius: 16px;
    padding: 2.75rem 2.5rem;
    text-align: center;
}

.subscribe-heading {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.012em;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.subscribe-note {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-secondary);
}

.subscribe-form {
    max-width: 420px;
    margin: 0 auto;
}

.subscribe-fields {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.subscribe-email {
    flex: 1;
    min-width: 0;
    padding: 0.7rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-divider);
    border-radius: 999px;
    outline: none;
    transition: border-color 0.15s ease;
    -webkit-appearance: none;
}

.subscribe-email:focus {
    border-color: var(--color-accent);
}

.subscribe-email::placeholder {
    color: var(--color-secondary);
    opacity: 0.7;
}

.subscribe-button {
    flex-shrink: 0;
    padding: 0.7rem 1.3rem;
    font-family: var(--font-sans);
    font-size: 0.825rem;
    font-weight: 500;
    color: #fff;
    background: var(--color-accent);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    transition: background-color 0.15s ease, transform 0.15s ease;
    white-space: nowrap;
    -webkit-appearance: none;
}

.subscribe-button:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.subscribe-terms {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    color: var(--color-secondary);
    line-height: 1.5;
}

/* ============================================================
   STATIC PAGES
   ============================================================ */

.page {
    max-width: var(--content-width);
    margin: 0 auto;
}

.page-header {
    margin-bottom: 2.75rem;
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--color-divider);
}

.page-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.4rem);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.022em;
}

.page-feature-image {
    border-radius: 6px;
    margin-top: 1.5rem;
}

/* ============================================================
   AUTHOR & TAG HEADERS
   ============================================================ */

.author-header,
.tag-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-divider);
}

.author-name,
.tag-name {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 0.6rem;
}

.author-bio,
.tag-description {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-secondary);
    line-height: 1.6;
    max-width: 520px;
}

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-divider);
}

.pagination .newer-posts,
.pagination .older-posts {
    font-family: var(--font-sans);
    font-size: 0.825rem;
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.15s ease;
}

.pagination .newer-posts:hover,
.pagination .older-posts:hover {
    color: var(--color-accent-hover);
}

.pagination .page-number {
    font-family: var(--font-sans);
    font-size: 0.775rem;
    color: var(--color-secondary);
}

/* ============================================================
   ERROR PAGE
   ============================================================ */

.error-container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 5rem 0;
}

.error-code {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.error-message {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-secondary);
    margin-bottom: 2rem;
}

.error-link {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.15s ease;
}

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

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
    border-top: 1px solid var(--color-divider);
    padding: 1.75rem 1.5rem;
}

.footer-inner {
    max-width: var(--wrap-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-name {
    font-family: var(--font-sans);
    font-size: 0.775rem;
    font-weight: 500;
    color: var(--color-secondary);
}

.footer-links {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.footer-social-button {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-divider);
    border-radius: 999px;
    font-family: var(--font-sans);
    font-size: 0.775rem;
    font-weight: 500;
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.footer-social-button svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
}

.footer-social-button:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.footer-copy {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    color: var(--color-secondary);
    opacity: 0.7;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 640px) {
    html {
        font-size: 16px;
    }

    .site-header {
        position: static;
        background-color: var(--color-bg);
        border-bottom: 1px solid var(--color-divider);
    }

    .site-nav {
        grid-template-columns: 1fr auto;
        grid-template-areas: "logo subscribe" "links links";
        row-gap: 0.85rem;
        height: auto;
        padding: 1rem 0;
    }

    .site-logo {
        grid-area: logo;
    }

    .nav-subscribe {
        grid-area: subscribe;
        justify-self: end;
    }

    .nav-links {
        grid-area: links;
        justify-self: center;
        gap: 1.5rem;
    }

    .site-main {
        padding: 2.25rem 1.25rem 4rem;
    }

    .post-title,
    .page-title {
        font-size: 1.8rem;
        letter-spacing: -0.018em;
    }

    .post-content {
        font-size: 1.05rem;
    }

    .hero {
        padding-bottom: 3rem;
    }

    .hero-sub {
        max-width: none;
    }

    .post-list-link {
        padding: 1.2rem 1.25rem;
    }

    .post-list-title {
        font-size: 1.25rem;
    }

    .subscribe-box {
        padding: 2.25rem 1.5rem;
    }

    .subscribe-fields {
        flex-direction: column;
    }

    .subscribe-button {
        width: 100%;
        text-align: center;
        padding: 0.75rem 1.2rem;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .footer-copy {
        order: 3;
    }
}

/* ============================================================
   READER MODE (single post)
   ============================================================ */

.reader-main {
    padding: 7rem 1.5rem 6rem;
}

.reader-back {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 50;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem 0.55rem 0.8rem;
    background-color: var(--color-header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-divider);
    border-radius: 999px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.reader-back svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.reader-back:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.reader-share {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 50;
}

.reader-share-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1rem 0.55rem 0.8rem;
    background-color: var(--color-header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-divider);
    border-radius: 999px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-secondary);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.reader-share-toggle svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.reader-share-toggle:hover,
.reader-share-toggle[aria-expanded="true"] {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.reader-share-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 160px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-divider);
    border-radius: 12px;
    box-shadow: 0 18px 34px -20px rgba(20, 20, 18, 0.3);
    padding: 0.4rem;
    display: flex;
    flex-direction: column;
}

.reader-share-menu[hidden] {
    display: none;
}

.reader-share-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    padding: 0.5rem 0.6rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    background: none;
    border: none;
    border-radius: 8px;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.reader-share-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--color-secondary);
    transition: color 0.15s ease;
}

.reader-share-item:hover {
    background-color: var(--color-surface);
    color: var(--color-accent);
}

.reader-share-item:hover .reader-share-icon {
    color: var(--color-accent);
}

@media (max-width: 640px) {
    .reader-back {
        top: 1rem;
        left: 1rem;
        padding: 0.5rem 0.85rem 0.5rem 0.7rem;
    }

    .reader-share {
        top: 1rem;
        right: 1rem;
    }

    .reader-share-toggle {
        padding: 0.5rem 0.85rem 0.5rem 0.7rem;
    }

    .reader-main {
        padding: 5.5rem 1.25rem 4rem;
    }
}