/* ==========================================================================
   TimelyRain – A clean blog theme for Ghost
   ========================================================================== */

/* --- Variables --------------------------------------------------------- */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Lora', Georgia, 'Times New Roman', serif;

    --color-bg: #fafaf8;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-secondary: #6b7280;
    --color-accent: #3b5998;
    --color-accent-light: #eef1f7;
    --color-border: #e8e8e4;
    --color-border-light: #f0f0ec;

    --content-width: 720px;
    --wide-width: 1080px;
    --full-width: 1200px;

    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 64px;
    --space-2xl: 96px;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
}

/* --- Reset & Base ------------------------------------------------------ */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-weight: 400;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.25;
}

/* --- Header / Navigation ----------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 250, 248, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
}

.header-inner {
    max-width: var(--full-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.site-logo {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.site-logo img {
    height: 28px;
    width: auto;
}

.site-nav .nav {
    display: flex;
    gap: var(--space-md);
    list-style: none;
}

.site-nav .nav li a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color 0.2s;
    position: relative;
    padding-bottom: 2px;
}

.site-nav .nav li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.25s ease;
}

.site-nav .nav li a:hover {
    color: var(--color-text);
}

.site-nav .nav li a:hover::after {
    width: 100%;
}

.nav-burger {
    display: none;
    border: none;
    background: transparent;
    cursor: pointer;
    width: 28px;
    height: 20px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
}

.nav-burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

/* --- Site Content Wrapper ---------------------------------------------- */

.site-content {
    min-height: calc(100vh - 64px - 200px);
}

/* --- Hero -------------------------------------------------------------- */

.hero {
    max-width: var(--full-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md) var(--space-xl);
    text-align: center;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 540px;
    margin: 0 auto;
    line-height: 1.7;
}

/* --- Featured Post ----------------------------------------------------- */

.featured-post {
    max-width: var(--full-width);
    margin: 0 auto var(--space-xl);
    padding: 0 var(--space-md);
}

.featured-link {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.featured-link:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.featured-image {
    margin: 0;
}

.featured-image img {
    width: 100%;
    height: 100%;
    min-height: 320px;
    object-fit: cover;
}

.featured-content {
    padding: var(--space-lg);
}

.featured-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.featured-title {
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.featured-excerpt {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.featured-meta .author-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

/* --- Section Title ----------------------------------------------------- */

.section-title {
    max-width: var(--full-width);
    margin: 0 auto var(--space-md);
    padding: 0 var(--space-md);
    font-size: 0.85rem;
    font-family: var(--font-sans);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-sm);
}

/* --- Post Feed --------------------------------------------------------- */

.post-feed-section {
    max-width: var(--full-width);
    margin: 0 auto;
    padding: var(--space-lg) var(--space-md) var(--space-2xl);
}

.post-feed {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

/* --- Post Card --------------------------------------------------------- */

.post-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.post-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.post-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.post-card-image {
    margin: 0;
    overflow: hidden;
}

.post-card-image img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.post-card:hover .post-card-image img {
    transform: scale(1.03);
}

.post-card-content {
    padding: var(--space-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.post-card-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
    line-height: 1.35;
}

.post-card-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
    margin-bottom: auto;
    padding-bottom: var(--space-sm);
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border-light);
    flex-wrap: wrap;
}

.post-card-author {
    font-weight: 500;
}

.post-card-reading-time::before {
    content: '·';
    margin-right: var(--space-xs);
}

/* --- Pagination -------------------------------------------------------- */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    font-size: 0.9rem;
}

.pagination a {
    font-weight: 500;
    color: var(--color-accent);
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: background 0.2s, color 0.2s;
}

.pagination a:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.pagination-info {
    color: var(--color-text-secondary);
}

/* --- Article (Post / Page) --------------------------------------------- */

.article {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md) var(--space-2xl);
}

.article-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.article-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.article-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.article-excerpt {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 580px;
    margin: 0 auto var(--space-md);
}

/* --- Article Byline ---------------------------------------------------- */

.article-byline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    flex-wrap: wrap;
}

.byline-author {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-weight: 500;
    color: var(--color-text);
}

.byline-author:hover {
    color: var(--color-accent);
}

.author-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.byline-reading-time::before {
    content: '·';
    margin-right: var(--space-xs);
}

/* --- Article Feature Image --------------------------------------------- */

.article-image {
    margin: 0 0 var(--space-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.article-image img {
    width: 100%;
    border-radius: var(--radius-lg);
}

.article-image figcaption {
    text-align: center;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
    font-style: italic;
}

/* --- Article Content (gh-content) -------------------------------------- */

.article-content {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    line-height: 1.85;
    color: var(--color-text);
}

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

.article-content > *:first-child {
    margin-top: 0;
}

.article-content h2 {
    font-size: 1.5rem;
    margin-top: 2.2em;
    margin-bottom: 0.6em;
}

.article-content h3 {
    font-size: 1.25rem;
    margin-top: 2em;
    margin-bottom: 0.5em;
}

.article-content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(59, 89, 152, 0.3);
    transition: text-decoration-color 0.2s;
}

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

.article-content blockquote {
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-md);
    margin-left: 0;
    margin-right: 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

.article-content pre {
    background: var(--color-text);
    color: #f0f0ec;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.6;
}

.article-content code {
    font-size: 0.88em;
    background: var(--color-accent-light);
    padding: 2px 6px;
    border-radius: 4px;
}

.article-content pre code {
    background: transparent;
    padding: 0;
    border-radius: 0;
}

.article-content img {
    border-radius: var(--radius-md);
}

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

.article-content figcaption {
    text-align: center;
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
    font-family: var(--font-sans);
    font-style: italic;
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 2.5em 0;
}

.article-content ul,
.article-content ol {
    padding-left: 1.5em;
}

.article-content li + li {
    margin-top: 0.4em;
}

/* --- Koenig Width Classes ---------------------------------------------- */

.kg-width-wide {
    max-width: var(--wide-width);
    margin-left: auto;
    margin-right: auto;
    width: calc(100% + 120px);
    margin-left: calc(50% - 50vw + (100vw - 100%) / 2);
    width: min(var(--wide-width), calc(100vw - var(--space-lg)));
    margin-left: auto;
    margin-right: auto;
}

.kg-width-full {
    width: 100vw;
    max-width: 100vw;
    margin-left: 50%;
    transform: translateX(-50%);
}

.kg-width-wide img,
.kg-width-full img {
    width: 100%;
}

/* --- Article Footer & Tags --------------------------------------------- */

.article-footer {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.tag-pill {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-text-secondary);
    transition: background 0.2s, color 0.2s;
}

.tag-pill:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/* --- Author Card ------------------------------------------------------- */

.author-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.author-card-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-card-name {
    font-family: var(--font-sans);
    font-size: 1rem;
    margin-bottom: 4px;
}

.author-card-name a:hover {
    color: var(--color-accent);
}

.author-card-bio {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* --- Archive Headers (Tag / Author) ------------------------------------ */

.archive-header {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md) var(--space-lg);
    text-align: center;
}

.archive-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.archive-title {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    margin-bottom: var(--space-sm);
}

.archive-description {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto var(--space-sm);
    line-height: 1.7;
}

.archive-count {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.archive-location {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
}

.archive-author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto var(--space-sm);
}

/* --- Error Pages ------------------------------------------------------- */

.error-page {
    max-width: 520px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-md);
    text-align: center;
}

.error-code {
    display: inline-block;
    font-size: 5rem;
    font-weight: 700;
    font-family: var(--font-serif);
    color: var(--color-border);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.error-title {
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
}

.error-message {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.error-link {
    display: inline-block;
    font-weight: 500;
    color: var(--color-accent);
    padding: var(--space-xs) var(--space-md);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-sm);
    transition: background 0.2s, color 0.2s;
}

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

/* --- Footer ------------------------------------------------------------ */

.site-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.footer-inner {
    max-width: var(--full-width);
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md) var(--space-lg);
    text-align: center;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.footer-nav .nav {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    list-style: none;
    margin-bottom: var(--space-md);
}

.footer-nav .nav a {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    transition: color 0.2s;
}

.footer-nav .nav a:hover {
    color: var(--color-text);
}

.footer-copy {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
}

/* --- Responsive -------------------------------------------------------- */

@media (max-width: 1024px) {
    .post-feed {
        grid-template-columns: repeat(2, 1fr);
    }

    .featured-link {
        grid-template-columns: 1fr;
    }

    .featured-image img {
        min-height: 240px;
        max-height: 360px;
    }
}

@media (max-width: 768px) {
    .site-nav {
        display: none;
    }

    .nav-burger {
        display: flex;
    }

    .site-nav.is-open {
        display: flex;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-md);
        box-shadow: var(--shadow-md);
    }

    .site-nav.is-open .nav {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .post-feed {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: var(--space-xl) var(--space-md) var(--space-lg);
    }

    .article {
        padding: var(--space-lg) var(--space-sm) var(--space-xl);
    }

    .article-title {
        text-align: left;
    }

    .article-header {
        text-align: left;
    }

    .article-byline {
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .header-inner {
        padding: 0 var(--space-sm);
    }

    .post-card-content {
        padding: var(--space-sm);
    }

    .featured-content {
        padding: var(--space-md);
    }

    .author-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}