:root {
    --bg: #1A1A2E;
    --surface: #16213E;
    --surface2: #0F3460;
    --card: #1E2A4A;
    --accent: #AAFF00;
    --accent-dim: #88CC00;
    --text: #ffffff;
    --text2: #A0A0B8;
    --text3: #6B6B80;
    --divider: rgba(255,255,255,0.08);
    --radius: 16px;
    --radius-lg: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 760px; }

/* ── Badge ── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: rgba(170,255,0,0.08);
    border: 1px solid rgba(170,255,0,0.15);
    padding: 6px 14px;
    border-radius: 100px;
    letter-spacing: 0.5px;
}
.badge::before { content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }

/* ── Nav ── */
nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(26,26,46,0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--divider);
}
nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
    color: var(--text);
}
.nav-logo svg { width: 32px; height: 32px; }
.nav-link {
    color: var(--text2);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    padding: 10px 16px;
    border-radius: 100px;
    transition: color 0.2s, background 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--accent); background: rgba(170,255,0,0.06); }
.nav-signin {
    color: var(--text2);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    padding: 10px 16px;
    border-radius: 100px;
    transition: color 0.2s, background 0.2s;
}
.nav-signin:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #0a0a12;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 100px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 24px rgba(170,255,0,0.3); }

/* ── Buttons ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: #0a0a12;
    font-family: inherit;
    font-size: 17px;
    font-weight: 600;
    padding: 16px 32px;
    border-radius: 100px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(170,255,0,0.3); }
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--text2);
    font-family: inherit;
    font-size: 17px;
    font-weight: 500;
    padding: 16px 32px;
    border-radius: 100px;
    text-decoration: none;
    border: 1px solid var(--divider);
    transition: border-color 0.2s, color 0.2s;
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.2); color: var(--text); }

/* ── Blog Hero ── */
.blog-hero {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
}
.blog-hero::before {
    content: "";
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 500px;
    background: radial-gradient(ellipse, rgba(170,255,0,0.05) 0%, transparent 70%);
    pointer-events: none;
}
.blog-hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -1.5px;
    margin: 16px 0 16px;
}
.blog-hero p {
    color: var(--text2);
    font-size: clamp(16px, 2vw, 19px);
    max-width: 480px;
    margin: 0 auto;
}

/* ── Blog Grid ── */
.blog-listing { padding: 40px 0 100px; }

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.blog-card {
    background: var(--surface);
    border: 1px solid var(--divider);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.3s, transform 0.3s;
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    border-color: rgba(170,255,0,0.2);
    transform: translateY(-3px);
}
.blog-card-body {
    padding: 28px 28px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.blog-card-body time {
    font-size: 13px;
    color: var(--text3);
    font-weight: 500;
    letter-spacing: 0.3px;
}
.blog-card-body h2 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
    margin: 10px 0 8px;
    line-height: 1.3;
}
.blog-card-body p {
    font-size: 15px;
    color: var(--text2);
    line-height: 1.6;
    flex: 1;
}
.blog-card-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    transition: gap 0.2s;
}

/* ── Pagination ── */
.blog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 48px;
}
.blog-page-btn {
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 20px;
    border: 1px solid rgba(170,255,0,0.2);
    border-radius: 100px;
    transition: background 0.2s;
}
.blog-page-btn:hover { background: rgba(170,255,0,0.06); }
.blog-page-info {
    font-size: 14px;
    color: var(--text3);
}

/* ── Empty State ── */
.blog-empty {
    text-align: center;
    padding: 80px 0;
}
.blog-empty-icon { font-size: 48px; margin-bottom: 16px; }
.blog-empty h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}
.blog-empty p {
    color: var(--text2);
    font-size: 16px;
}

/* ── Blog Post ── */
.blog-post { padding: 120px 0 60px; }

.blog-back {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 32px;
    transition: opacity 0.2s;
}
.blog-back:hover { opacity: 0.8; }

.blog-post-header { margin-bottom: 48px; }

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text3);
    margin-bottom: 16px;
}
.blog-post-dot { color: var(--text3); }

.blog-post-header h1 {
    font-size: clamp(28px, 5vw, 44px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -1px;
}

/* ── Prose (article content) ── */
.prose {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text2);
}
.prose h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
    margin: 48px 0 16px;
    line-height: 1.2;
}
.prose h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin: 36px 0 12px;
    line-height: 1.3;
}
.prose h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin: 28px 0 8px;
}
.prose p { margin-bottom: 20px; }
.prose a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(170,255,0,0.3);
    transition: text-decoration-color 0.2s;
}
.prose a:hover { text-decoration-color: var(--accent); }
.prose strong { color: var(--text); font-weight: 600; }
.prose em { font-style: italic; }
.prose ul, .prose ol {
    margin: 0 0 20px 24px;
}
.prose li {
    margin-bottom: 8px;
}
.prose li::marker { color: var(--accent); }
.prose blockquote {
    border-left: 3px solid var(--accent);
    padding: 12px 0 12px 24px;
    margin: 24px 0;
    color: var(--text);
    font-style: italic;
    background: rgba(170,255,0,0.03);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.prose code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9em;
    background: rgba(255,255,255,0.06);
    padding: 2px 7px;
    border-radius: 6px;
    color: var(--accent);
}
.prose pre {
    background: var(--surface);
    border: 1px solid var(--divider);
    border-radius: 12px;
    padding: 20px 24px;
    overflow-x: auto;
    margin: 24px 0;
}
.prose pre code {
    background: none;
    padding: 0;
    font-size: 14px;
    color: var(--text2);
}
.prose img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 24px 0;
}
.prose hr {
    border: none;
    height: 1px;
    background: var(--divider);
    margin: 40px 0;
}
.prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}
.prose th, .prose td {
    padding: 12px 16px;
    border: 1px solid var(--divider);
    text-align: left;
}
.prose th {
    background: var(--surface);
    font-weight: 600;
    color: var(--text);
}

/* ── Post Nav (prev/next) ── */
.blog-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--divider);
}
.blog-post-nav-link {
    text-decoration: none;
    padding: 20px;
    border: 1px solid var(--divider);
    border-radius: var(--radius);
    transition: border-color 0.3s, transform 0.2s;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.blog-post-nav-link:hover {
    border-color: rgba(170,255,0,0.2);
    transform: translateY(-2px);
}
.blog-post-nav-next { text-align: right; }
.blog-post-nav-label {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}
.blog-post-nav-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
}

/* ── Blog CTA ── */
.blog-cta {
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid var(--divider);
    position: relative;
}
.blog-cta::before {
    content: "";
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(170,255,0,0.04) 0%, transparent 70%);
    pointer-events: none;
}
.blog-cta h2 {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 12px;
}
.blog-cta p {
    color: var(--text2);
    font-size: 17px;
    margin-bottom: 32px;
}
.blog-cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── Footer ── */
footer {
    border-top: 1px solid var(--divider);
    padding: 40px 0;
}
footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.footer-left {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text3);
    font-size: 14px;
}
.footer-left svg { width: 20px; height: 20px; opacity: 0.5; }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
    color: var(--text3);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--text2); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .blog-grid { grid-template-columns: 1fr; }
    .blog-post-nav { grid-template-columns: 1fr; }
    .blog-cta-actions { flex-direction: column; }
    .blog-cta-actions a { width: 100%; justify-content: center; }
    footer .container { flex-direction: column; gap: 16px; }
    .nav-cta { display: none; }
}
@media (max-width: 480px) {
    .blog-card-body { padding: 20px; }
}