:root {
    --bg-main: #000000;
    --bg-elevated: rgba(15, 15, 15, 0.78);
    --bg-soft: rgba(255, 255, 255, 0.035);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(135, 206, 235, 0.28);
    --accent: #87ceeb;
    --accent-soft: rgba(135, 206, 235, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #8f8f8f;
    --radius-lg: 16px;
    --radius-md: 10px;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-logo: 'WindSong', cursive;
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-main);
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 44px 44px;
    line-height: 1.75;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

*:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -100px;
    z-index: 999;
    background: var(--accent);
    color: #000;
    text-decoration: none;
    font-weight: 700;
    padding: 0.65rem 0.9rem;
    border-radius: 8px;
}

.skip-link:focus {
    top: 1rem;
}

.blog-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.78);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.blog-nav {
    width: min(1120px, calc(100% - 2.4rem));
    margin: 0 auto;
    padding: 0.9rem 0;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}

.blog-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.blog-nav .logo {
    font-family: var(--font-logo);
    font-size: 1.55rem;
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
}

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

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

main {
    width: min(1120px, calc(100% - 2.4rem));
    margin: 0 auto;
    padding: 2.5rem 0 4.5rem;
}

.hero {
    margin-bottom: 1.2rem;
}

.blog-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.7fr);
    gap: 1.4rem;
    align-items: end;
    min-height: 430px;
    padding: 3.6rem;
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.12) 0%, rgba(0, 0, 0, 0.72) 100%),
        url('../assets/images/Background.webp') center / cover;
    overflow: hidden;
}

.blog-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.5) 52%, rgba(0, 0, 0, 0.82) 100%),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 9px);
    pointer-events: none;
}

.blog-hero > * {
    position: relative;
    z-index: 1;
}

.hero-copy h1 {
    max-width: 850px;
    font-size: 3.6rem;
    line-height: 1.04;
    margin-bottom: 1.05rem;
}

.hero-copy p {
    max-width: 680px;
    color: var(--text-secondary);
    font-size: 1.08rem;
}

.hero-panel {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.15rem;
    background: rgba(0, 0, 0, 0.58);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.hero-panel span,
.kicker {
    display: inline-flex;
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.78rem;
    margin-bottom: 0.5rem;
}

.hero-panel strong {
    display: block;
    font-size: 1.15rem;
    margin-bottom: 0.45rem;
}

.hero-panel p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.hero-panel code {
    font-family: var(--font-mono);
    color: var(--accent);
}

.blog-topics {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 0.4rem;
}

.blog-topics a,
.featured-meta span {
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.34rem 0.72rem;
    font-size: 0.8rem;
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.035);
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.blog-topics a:hover,
.featured-meta span:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-soft);
}

.status-message {
    margin-bottom: 1.1rem;
    border: 1px solid rgba(135, 206, 235, 0.24);
    border-radius: var(--radius-md);
    padding: 0.8rem 1rem;
    background: rgba(135, 206, 235, 0.055);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.status-message.is-error {
    border-color: rgba(255, 125, 125, 0.44);
    background: rgba(255, 125, 125, 0.09);
    color: #ffd6d6;
}

.featured-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.featured-article,
.featured-side,
.card,
.trail-card,
.interlink-box {
    border: 1px solid var(--border-color);
    background: linear-gradient(180deg, rgba(20, 20, 20, 0.62) 0%, rgba(8, 8, 8, 0.88) 100%);
    box-shadow: 0 24px 46px rgba(0, 0, 0, 0.24);
}

.featured-article {
    min-height: 280px;
    border-radius: var(--radius-lg);
    padding: 1.6rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.featured-article h2 {
    max-width: 760px;
    font-size: 2rem;
    line-height: 1.18;
    margin-bottom: 0.65rem;
}

.featured-article p,
.featured-side p,
.featured-side li {
    color: var(--text-secondary);
}

.featured-date {
    font-family: var(--font-mono);
    color: var(--text-muted) !important;
    font-size: 0.82rem;
    margin-bottom: 0.65rem;
}

.featured-meta {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.featured-link,
.card a,
.link,
.editorial-cta a {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin-top: 1rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.featured-link::after,
.card a::after,
.link::after,
.editorial-cta a::after {
    content: "->";
    margin-left: 0.45rem;
}

.featured-link:hover,
.card a:hover,
.link:hover,
.editorial-cta a:hover {
    border-bottom-color: var(--accent);
}

.featured-side {
    border-radius: var(--radius-lg);
    padding: 1.4rem;
}

.featured-side h3 {
    font-size: 1.25rem;
    margin-bottom: 0.55rem;
}

.featured-side ul {
    list-style: none;
    display: grid;
    gap: 0.7rem;
    margin: 1rem 0 0.7rem;
}

.featured-side li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.92rem;
}

.featured-side li span {
    color: var(--text-primary);
    font-weight: 700;
}

.featured-side li small {
    color: var(--text-muted);
    font-family: var(--font-mono);
    white-space: nowrap;
}

.latest-section {
    margin-top: 0.4rem;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 1rem;
    padding-bottom: 0.9rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-highlight);
}

.section-head h2 {
    font-size: 1.85rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.card {
    position: relative;
    min-height: 260px;
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--border-highlight);
    background: linear-gradient(180deg, rgba(28, 28, 28, 0.82) 0%, rgba(9, 9, 9, 0.94) 100%);
}

.card-index {
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: rgba(135, 206, 235, 0.22);
    font-family: var(--font-mono);
    font-size: 2.4rem;
    line-height: 1;
    font-weight: 700;
}

.card h2,
.card h3 {
    position: relative;
    z-index: 1;
    font-size: 1.16rem;
    line-height: 1.32;
    margin: 0.65rem 0 0.7rem;
    padding-right: 2.6rem;
}

.card p {
    position: relative;
    z-index: 1;
    color: var(--text-secondary);
}

.card .meta {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.76rem;
}

.card a {
    margin-top: auto;
}

.editorial {
    margin-top: 2rem;
    border-top: 1px solid var(--border-highlight);
    padding-top: 1.7rem;
}

.editorial h2 {
    max-width: 720px;
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.editorial > p {
    color: var(--text-secondary);
    max-width: 720px;
}

.trail-grid {
    margin-top: 1.1rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
}

.trail-card {
    border-radius: var(--radius-md);
    padding: 1.05rem;
}

.trail-card h3 {
    margin-bottom: 0.35rem;
    font-size: 1rem;
}

.trail-card p {
    color: var(--text-secondary);
    font-size: 0.94rem;
    line-height: 1.65;
}

.editorial-cta {
    margin-top: 0.95rem;
}

main > article {
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(16, 16, 16, 0.86) 0%, rgba(5, 5, 5, 0.95) 100%);
    padding: 2.4rem;
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.28);
}

.post-shell {
    position: relative;
}

.back-link {
    display: inline-flex;
    margin-bottom: 1.3rem;
    color: var(--text-muted);
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.back-link::before {
    content: "<-";
    margin-right: 0.45rem;
    color: var(--accent);
}

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

main > article h1 {
    font-size: 2.85rem;
    line-height: 1.08;
    margin-bottom: 0.85rem;
}

main > article h2 {
    margin-top: 1.8rem;
    margin-bottom: 0.65rem;
    font-size: 1.45rem;
}

main > article h3 {
    margin-top: 1.4rem;
    margin-bottom: 0.5rem;
}

main > article p {
    color: var(--text-secondary);
    font-size: 1.04rem;
}

main > article ul,
main > article ol {
    margin: 0.85rem 0 0.85rem 1.2rem;
    color: var(--text-secondary);
}

main > article li + li {
    margin-top: 0.42rem;
}

.article-meta {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    padding-bottom: 1.2rem;
    margin-bottom: 1.3rem;
    border-bottom: 1px solid var(--border-color);
}

.interlink-box {
    margin-top: 2rem;
    padding: 1.15rem;
    border-radius: var(--radius-md);
}

.interlink-box h3 {
    margin-bottom: 0.5rem;
}

.interlink-box ul {
    margin-top: 0.3rem;
}

footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.markdown-content p + p {
    margin-top: 0.9rem;
}

.markdown-content h2,
.markdown-content h3 {
    color: var(--text-primary);
}

.markdown-content a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.markdown-content a:hover {
    text-decoration: underline;
}

.markdown-content code {
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.08);
    padding: 0.1rem 0.32rem;
    border-radius: 4px;
}

.markdown-content pre {
    margin: 1rem 0;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem;
    overflow-x: auto;
    background: rgba(255, 255, 255, 0.035);
}

.markdown-content pre code {
    background: transparent;
    padding: 0;
}

@media (max-width: 900px) {
    .blog-hero,
    .featured-layout,
    .grid,
    .trail-grid {
        grid-template-columns: 1fr;
    }

    .blog-hero {
        min-height: auto;
        padding: 2rem;
    }

    .hero-copy h1,
    main > article h1 {
        font-size: 2.35rem;
    }
}

@media (max-width: 680px) {
    .blog-nav {
        flex-wrap: wrap;
    }

    .blog-nav div {
        width: 100%;
        justify-content: space-between;
        gap: 0.5rem;
    }

    main {
        width: min(100% - 1.4rem, 1120px);
        padding-top: 1rem;
    }

    .blog-hero,
    main > article {
        padding: 1.25rem;
    }

    .hero-copy h1,
    main > article h1 {
        font-size: 2rem;
    }

    .section-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .featured-side li {
        display: grid;
        gap: 0.15rem;
    }
}