/* danelian designs — Blog stylesheet
   Loaded only on single posts via wp_enqueue_style. */

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

:root {
  --bg: rgb(7, 9, 13);
  --bg-elev: rgb(11, 13, 19);
  --ink: #e9ebf2;
  --ink-muted: rgba(233, 235, 242, 0.72);
  --ink-subtle: rgba(233, 235, 242, 0.42);
  --border-faint: rgba(255, 255, 255, 0.08);
  --display: "Zen Dots", system-ui, sans-serif;
  --sans: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", monospace;
  --aurora: linear-gradient(135deg, #8ec5ff 0%, #a78bfa 45%, #f472b6 100%);
  --c-red: #ff5a6b; --c-blue: #5aa9ff; --c-green: #5cd6a3; --c-yellow: #ffd45c;
}
html { scroll-behavior: smooth; }
body.single-post, body.single { background: var(--bg); color: var(--ink); font-family: var(--sans); font-weight: 300; line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }

/* Stars */
.dd-stars { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.dd-star { position: absolute; width: 2px; height: 2px; background: #fff; border-radius: 50%; opacity: 0; animation: ddTwinkle 4s ease-in-out infinite; }
@keyframes ddTwinkle { 0%, 100% { opacity: 0; } 50% { opacity: 0.5; } }

/* Nav */
.dd-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; padding: 18px 0; background: rgba(7,9,13,0.7); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border-faint); }
.dd-nav .inner { max-width: 1180px; margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; }
.dd-wordmark { font-family: var(--display); font-size: 16px; color: var(--ink); text-decoration: none; }
.dd-nav ul { list-style: none; display: flex; gap: 28px; }
.dd-nav ul a { font-family: var(--display); font-size: 11px; color: var(--ink-muted); text-decoration: none; letter-spacing: 0.08em; }
.dd-nav ul a:hover { color: var(--ink); }

/* Article container */
.dd-article { max-width: 760px; margin: 0 auto; padding: 160px 32px 80px; position: relative; z-index: 2; }

.dd-post-meta { font-family: var(--mono); font-size: 11px; color: var(--ink-subtle); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 32px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.dd-post-meta .dot { width: 4px; height: 4px; background: var(--ink-subtle); border-radius: 50%; }

h1.dd-post-title { font-family: var(--display); font-size: clamp(34px, 4.5vw, 56px); line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 24px; color: var(--ink); padding-bottom: 0.08em; }
h1.dd-post-title .gradient { background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dd-post-lede { font-size: 19px; line-height: 1.65; color: var(--ink-muted); margin-bottom: 56px; max-width: 680px; }

.dd-prose h2 { font-family: var(--display); font-size: clamp(22px, 2.4vw, 28px); line-height: 1.25; color: var(--ink); margin: 72px 0 24px; letter-spacing: -0.01em; scroll-margin-top: 100px; padding-bottom: 0.08em; }
.dd-prose h3 { font-family: var(--display); font-size: 17px; color: var(--ink); margin: 48px 0 16px; padding-bottom: 0.06em; }
.dd-prose p { font-size: 16px; line-height: 1.85; color: var(--ink-muted); margin-bottom: 22px; }
.dd-prose p strong { color: var(--ink); font-weight: 500; }
.dd-prose a { color: var(--ink); text-decoration: underline; text-decoration-color: rgba(167,139,250,0.5); text-underline-offset: 3px; }
.dd-prose ul, .dd-prose ol { margin: 0 0 22px 24px; color: var(--ink-muted); font-size: 16px; line-height: 1.85; }
.dd-prose ul li, .dd-prose ol li { margin-bottom: 6px; }
.dd-prose blockquote { border-left: 2px solid #a78bfa; padding: 4px 0 4px 24px; margin: 32px 0; font-size: 18px; color: var(--ink); font-style: italic; }
.dd-prose sup { font-size: 11px; color: rgba(167,139,250,0.9); margin: 0 1px; }

/* TOC accordion (top of post) */
.dd-toc { margin: 0 0 64px; padding: 28px 32px; background: var(--bg-elev); border: 1px solid var(--border-faint); border-radius: 14px; }
.dd-toc summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: var(--display); font-size: 12px; color: var(--ink); letter-spacing: 0.18em; text-transform: uppercase; padding-bottom: 0.06em; }
.dd-toc summary::-webkit-details-marker { display: none; }
.dd-toc summary::after { content: "+"; font-family: var(--sans); font-size: 22px; color: var(--ink-subtle); font-weight: 300; transition: transform 0.3s; line-height: 1; }
.dd-toc[open] summary::after { transform: rotate(45deg); color: var(--ink); }
.dd-toc ol { list-style: none; margin: 24px 0 0; padding: 0; counter-reset: toc; display: flex; flex-direction: column; gap: 2px; }
.dd-toc ol li { counter-increment: toc; padding: 12px 0; border-top: 1px solid var(--border-faint); }
.dd-toc ol li:first-child { border-top: 1px solid var(--border-faint); margin-top: 4px; }
.dd-toc ol li a { display: flex; align-items: baseline; gap: 16px; color: var(--ink-muted); text-decoration: none; font-size: 14px; line-height: 1.5; transition: color 0.2s; }
.dd-toc ol li a::before { content: counter(toc, decimal-leading-zero); font-family: var(--mono); font-size: 11px; color: var(--ink-subtle); letter-spacing: 0.1em; flex-shrink: 0; min-width: 28px; }
.dd-toc ol li a:hover { color: var(--ink); }
.dd-toc ol li a:hover::before { background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Stroop interactive demo (post-specific) */
.dd-stroop { margin: 56px 0; padding: 40px; background: var(--bg-elev); border: 1px solid var(--border-faint); border-radius: 16px; text-align: center; }
.dd-stroop .label { font-family: var(--mono); font-size: 11px; color: var(--ink-subtle); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 12px; }
.dd-stroop h3 { margin: 0 0 12px; font-size: 20px; color: var(--ink); padding-bottom: 0; }
.dd-stroop .instructions { font-size: 14px; color: var(--ink-muted); line-height: 1.7; margin: 0 auto 28px; max-width: 500px; }
.dd-stroop .stage { min-height: 200px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; }
.dd-stroop .word { font-family: var(--display); font-size: clamp(48px, 8vw, 80px); letter-spacing: 0.02em; text-transform: uppercase; line-height: 1; padding-bottom: 0.08em; }
.dd-stroop .buttons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; max-width: 480px; margin: 0 auto; }
.dd-stroop .btn { font-family: var(--display); font-size: 11px; color: var(--ink); background: rgba(255,255,255,0.04); border: 1px solid var(--border-faint); padding: 14px 8px; border-radius: 10px; cursor: pointer; text-transform: lowercase; letter-spacing: 0.04em; transition: background 0.2s, transform 0.1s; }
.dd-stroop .btn:hover { background: rgba(255,255,255,0.08); }
.dd-stroop .btn:active { transform: scale(0.96); }
.dd-stroop .progress { font-family: var(--mono); font-size: 11px; color: var(--ink-subtle); letter-spacing: 0.15em; margin-top: 24px; }
.dd-stroop .start { font-family: var(--display); background: var(--aurora); color: #0a0a0f; padding: 14px 28px; border: none; border-radius: 999px; font-size: 13px; cursor: pointer; }
.dd-stroop .result { display: none; text-align: left; background: rgba(167,139,250,0.06); border: 1px solid rgba(167,139,250,0.18); padding: 28px; border-radius: 12px; margin-top: 24px; }
.dd-stroop .result .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.dd-stroop .result .lbl { font-family: var(--mono); font-size: 10px; color: var(--ink-subtle); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 6px; }
.dd-stroop .result .val { font-family: var(--display); font-size: 22px; color: var(--ink); }
.dd-stroop .result .unit { font-family: var(--mono); font-size: 12px; color: var(--ink-subtle); margin-left: 4px; }
.dd-stroop .result .your-effect { padding: 18px 0; border-top: 1px solid var(--border-faint); margin-top: 4px; }
.dd-stroop .result .num { font-family: var(--display); background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 28px; margin: 8px 0; padding-bottom: 0.08em; }
.dd-stroop .result .note { font-size: 13px; color: var(--ink-muted); margin-top: 16px; font-style: italic; line-height: 1.7; }

/* Post FAQ */
.dd-post-faq { margin: 80px 0 40px; padding: 40px; background: var(--bg-elev); border: 1px solid var(--border-faint); border-radius: 16px; }
.dd-post-faq h2 { font-family: var(--display); font-size: 22px; color: var(--ink); margin-bottom: 28px; padding-bottom: 0.08em; }
.dd-post-faq details { border-top: 1px solid var(--border-faint); }
.dd-post-faq details:last-of-type { border-bottom: 1px solid var(--border-faint); }
.dd-post-faq summary { list-style: none; cursor: pointer; padding: 20px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-family: var(--display); font-size: 15px; color: var(--ink); line-height: 1.4; }
.dd-post-faq summary::-webkit-details-marker { display: none; }
.dd-post-faq summary::after { content: "+"; font-family: var(--sans); font-size: 22px; color: var(--ink-subtle); transition: transform 0.3s, color 0.3s; flex-shrink: 0; line-height: 1; }
.dd-post-faq details[open] summary::after { transform: rotate(45deg); color: var(--ink); }
.dd-post-faq details[open] summary { background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dd-post-faq details > div { padding: 0 0 20px; color: var(--ink-muted); font-size: 14px; line-height: 1.7; }

/* References */
.dd-refs { border-top: 1px solid var(--border-faint); margin-top: 80px; padding-top: 40px; }
.dd-refs h3 { font-family: var(--display); font-size: 11px; color: var(--ink-subtle); letter-spacing: 0.2em; text-transform: uppercase; margin: 0 0 20px; padding-bottom: 0; }
.dd-refs ol { padding-left: 20px; }
.dd-refs ol li { font-family: var(--mono); font-size: 12px; color: var(--ink-muted); line-height: 1.7; margin-bottom: 12px; }

@media (max-width: 600px) {
  .dd-article { padding: 130px 20px 80px; }
  .dd-stroop { padding: 28px 20px; }
  .dd-stroop .buttons { grid-template-columns: repeat(2, 1fr); }
  .dd-post-faq { padding: 28px 20px; }
  .dd-nav ul { display: none; }
}

/* === BLOG INDEX === */
body.blog, body.home.blog { background: var(--bg); }

.dd-blog-hero { position: relative; padding: 160px 0 80px; text-align: center; overflow: hidden; }
.dd-blog-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at center top, rgba(167,139,250,0.18), transparent 55%); pointer-events: none; z-index: 0; }
.dd-blog-hero .inner { position: relative; z-index: 2; max-width: 880px; margin: 0 auto; padding: 0 32px; }
.dd-blog-hero .eyebrow { display: inline-block; font-family: var(--mono); font-size: 11px; color: var(--ink-subtle); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 28px; padding: 8px 16px; border: 1px solid var(--border-faint); border-radius: 999px; background: rgba(255,255,255,0.02); }
.dd-blog-hero h1 { font-family: var(--display); font-size: clamp(40px, 6vw, 80px); line-height: 1.05; letter-spacing: -0.02em; color: var(--ink); margin-bottom: 24px; padding-bottom: 0.08em; }
.dd-blog-hero h1 .gradient { background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dd-blog-hero p.sub { font-size: 18px; color: var(--ink-muted); line-height: 1.7; max-width: 640px; margin: 0 auto; }

.dd-blog-list { position: relative; z-index: 2; padding: 40px 32px 120px; max-width: 1180px; margin: 0 auto; }
.dd-post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 24px; }
.dd-post-grid.has-feature { grid-template-columns: 1fr; }

.dd-post-card { position: relative; display: flex; flex-direction: column; background: var(--bg-elev); border: 1px solid var(--border-faint); border-radius: 18px; overflow: hidden; transition: transform 0.5s cubic-bezier(0.16,1,0.3,1), border-color 0.3s; text-decoration: none; min-height: 380px; }
.dd-post-card:hover { transform: translateY(-4px); border-color: rgba(167,139,250,0.4); }
.dd-post-card .visual { position: relative; flex: 1; min-height: 220px; overflow: hidden; }
.dd-post-card .visual::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 30% 30%, rgba(142,197,255,0.22), transparent 55%), radial-gradient(circle at 70% 70%, rgba(244,114,182,0.2), transparent 60%); }
.dd-post-card .visual::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 40px 40px; mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent); -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent); }
.dd-post-card .visual .badge { position: absolute; top: 24px; left: 24px; z-index: 2; font-family: var(--mono); font-size: 10px; color: var(--ink); letter-spacing: 0.18em; text-transform: uppercase; padding: 7px 12px; background: rgba(7,9,13,0.6); border: 1px solid var(--border-faint); border-radius: 999px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.dd-post-card .visual .arrow { position: absolute; top: 20px; right: 20px; z-index: 2; width: 40px; height: 40px; border: 1px solid var(--border-faint); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--ink); font-size: 14px; opacity: 0; transition: opacity 0.3s, transform 0.3s; background: rgba(7,9,13,0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.dd-post-card:hover .visual .arrow { opacity: 1; transform: translate(-2px, 2px); }

.dd-post-card .body { padding: 28px 32px 32px; }
.dd-post-card .meta { font-family: var(--mono); font-size: 11px; color: var(--ink-subtle); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 14px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.dd-post-card .meta .dot { width: 3px; height: 3px; background: var(--ink-subtle); border-radius: 50%; }
.dd-post-card h2 { font-family: var(--display); font-size: 22px; line-height: 1.25; color: var(--ink); margin-bottom: 12px; padding-bottom: 0.06em; transition: color 0.3s; }
.dd-post-card:hover h2 { background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dd-post-card p.excerpt { font-size: 14px; color: var(--ink-muted); line-height: 1.7; margin: 0; }

/* Featured (first) post */
.dd-post-card.feature { display: grid; grid-template-columns: 1.2fr 1fr; min-height: 460px; }
.dd-post-card.feature .visual { min-height: 460px; }
.dd-post-card.feature .body { padding: 56px; display: flex; flex-direction: column; justify-content: center; }
.dd-post-card.feature h2 { font-size: clamp(28px, 3.2vw, 40px); margin-bottom: 18px; }
.dd-post-card.feature p.excerpt { font-size: 16px; }
.dd-post-card.feature .visual::before { background: radial-gradient(circle at 25% 30%, rgba(142,197,255,0.32), transparent 55%), radial-gradient(circle at 75% 75%, rgba(244,114,182,0.28), transparent 55%), radial-gradient(circle at 50% 50%, rgba(167,139,250,0.18), transparent 70%); }

.dd-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 64px; }
.dd-pagination a, .dd-pagination span { font-family: var(--display); font-size: 12px; color: var(--ink-muted); padding: 10px 16px; border: 1px solid var(--border-faint); border-radius: 999px; text-decoration: none; transition: all 0.2s; }
.dd-pagination a:hover { border-color: rgba(167,139,250,0.4); color: var(--ink); }
.dd-pagination .current { background: var(--aurora); color: #0a0a0f; border-color: transparent; }

.dd-empty { text-align: center; padding: 80px 0; color: var(--ink-muted); }
.dd-empty p { font-size: 16px; }

@media (max-width: 768px) {
  .dd-post-card.feature { grid-template-columns: 1fr; min-height: 0; }
  .dd-post-card.feature .visual { min-height: 220px; }
  .dd-post-card.feature .body { padding: 32px 28px; }
  .dd-blog-hero { padding: 130px 0 60px; }
}