/* The Growth Lever: blog styles. Loads after /styles.css and only uses its tokens. */

/* Reading progress bar (article pages) */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--lime); z-index: 60; transition: width .08s linear; }

/* Index hero */
.blog-hero { padding: 96px 0 40px; position: relative; overflow: hidden; }
.blog-hero::after {
  content: ""; position: absolute; left: -200px; top: -160px; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(206,245,43,0.12), rgba(206,245,43,0) 65%); pointer-events: none;
}
.blog-hero .wrap { position: relative; z-index: 1; }
.blog-hero h1 { max-width: 820px; }

/* Category filter */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.chip {
  background: transparent; color: var(--text); border: 1px solid #333; border-radius: 999px;
  padding: 8px 16px; font: 700 0.88rem var(--sans); cursor: pointer; transition: border-color .15s, color .15s, background .15s;
}
.chip:hover { border-color: var(--lime); color: var(--lime); }
.chip[aria-pressed="true"] { background: var(--lime); border-color: var(--lime); color: var(--black); }
.chip:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

/* Shared post meta */
.tag-pill { display: inline-block; font-size: 0.74rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--lime); border: 1px solid rgba(206,245,43,0.35); border-radius: 999px; padding: 4px 11px; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; color: var(--muted); font-size: 0.9rem; }
.post-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: #555; }

/* Covers (inline SVG art) */
.cover { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--ink); border: 1px solid var(--line); aspect-ratio: 16 / 9; }
.cover svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

/* Featured post */
.blog-list { padding: 40px 0 96px; }
.featured { display: grid; grid-template-columns: 1.15fr 1fr; gap: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 26px; overflow: hidden; color: inherit; transition: border-color .2s, transform .2s; }
.featured:hover { border-color: #3d3d3d; text-decoration: none; transform: translateY(-2px); }
.featured .cover { border: 0; border-radius: 0; aspect-ratio: auto; min-height: 340px; }
.featured-body { padding: 44px 44px 40px; display: flex; flex-direction: column; gap: 16px; }
.featured-body h2 { font-size: clamp(1.7rem, 2.8vw, 2.3rem); margin: 4px 0 0; }
.featured-body p { color: #cfcfcf; margin: 0; }
.read-more { margin-top: auto; padding-top: 10px; font-weight: 800; color: var(--lime); display: inline-flex; align-items: center; gap: 8px; }
.read-more span { transition: transform .2s; }
a:hover .read-more span { transform: translateX(4px); }
.label-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.new-flag { font-size: 0.74rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--black); background: var(--lime); border-radius: 999px; padding: 4px 11px; }

/* Post cards */
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 20px; }
.post-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; color: inherit; display: flex; flex-direction: column; transition: border-color .2s, transform .2s; }
.post-card:hover { border-color: #3d3d3d; text-decoration: none; transform: translateY(-2px); }
.post-card .cover { border: 0; border-radius: 0; border-bottom: 1px solid var(--line); }
.post-card-body { padding: 26px 28px 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.post-card h3 { font-size: 1.35rem; margin: 2px 0 0; }
.post-card p { color: #cfcfcf; margin: 0; font-size: 0.97rem; }
.is-hidden { display: none !important; }
.empty-note { color: var(--muted); margin-top: 20px; }

/* Newsletter band */
.newsletter { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; background: var(--panel); border: 1px solid #2e3a10; border-radius: 28px; padding: 52px; position: relative; overflow: hidden; }
.newsletter::after { content: ""; position: absolute; right: -120px; bottom: -160px; width: 380px; height: 380px; border-radius: 50%; background: radial-gradient(circle, rgba(206,245,43,0.14), rgba(206,245,43,0) 65%); pointer-events: none; }
.newsletter h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); margin-bottom: 10px; }
.newsletter p { margin: 0; color: #cfcfcf; }
.signup { display: flex; gap: 10px; position: relative; z-index: 1; }
.signup input { flex: 1; min-width: 0; background: var(--black); color: var(--white); border: 1px solid #333; border-radius: 999px; padding: 14px 20px; font: 500 1rem var(--sans); }
.signup input:focus { outline: none; border-color: var(--lime); }
.signup-note { font-size: 0.85rem; color: var(--muted); margin-top: 10px; position: relative; z-index: 1; }
.signup-done { color: var(--white); font-weight: 700; }

/* Article */
.article-head { padding: 80px 0 36px; }
.article-wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.article-wide { max-width: 1000px; margin: 0 auto; padding: 0 24px; }
.back-link { display: inline-flex; gap: 8px; color: var(--muted); font-weight: 700; font-size: 0.92rem; margin-bottom: 28px; }
.back-link:hover { color: var(--lime); text-decoration: none; }
.article-head h1 { font-size: clamp(2.1rem, 5vw, 3.5rem); margin: 18px 0 18px; }
.dek { font-size: 1.22rem; color: #d9d9d9; margin-bottom: 28px; }
.byline { display: flex; align-items: center; gap: 14px; }
.avatar { width: 46px; height: 46px; border-radius: 50%; overflow: hidden; background: var(--lime); color: var(--black); display: grid; place-items: center; font: 900 0.95rem var(--serif); flex: 0 0 46px; position: relative; }
.avatar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.byline strong { color: var(--white); display: block; font-size: 0.98rem; }
.article-cover { margin: 8px 0 0; }

.short-version { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--lime); border-radius: 0 var(--radius) var(--radius) 0; padding: 26px 28px 10px; margin: 48px 0 40px; }
.short-version .eyebrow { margin-bottom: 12px; }

.article-body { font-size: 1.08rem; line-height: 1.78; color: #e4e4e4; }
.article-body p { margin: 0 0 22px; }
.article-body h2 { font-size: clamp(1.5rem, 2.6vw, 1.95rem); margin: 52px 0 18px; }
.article-body h3 { font-size: 1.2rem; margin: 32px 0 12px; }
.article-body strong { color: var(--white); }
.article-body ul:not(.ticks), .article-body ol { padding-left: 22px; margin: 0 0 22px; }
.article-body li { margin-bottom: 10px; }
.article-body a { text-decoration: underline; text-decoration-color: rgba(206,245,43,0.45); text-underline-offset: 3px; }

.pull { margin: 44px 0; padding: 0 0 0 26px; border-left: 3px solid var(--lime); font-family: var(--serif); font-weight: 900; font-size: clamp(1.35rem, 2.4vw, 1.7rem); line-height: 1.35; color: var(--white); }

.callout { background: rgba(206,245,43,0.07); border: 1px solid rgba(206,245,43,0.3); border-radius: 14px; padding: 20px 22px; margin: 30px 0; font-size: 1rem; }
.callout p:last-child { margin: 0; }
.callout .k { color: var(--lime); font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.75rem; display: block; margin-bottom: 6px; }

.formula { background: var(--black); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; margin: 30px 0; }
.formula .line { font-family: var(--serif); font-weight: 900; color: var(--white); font-size: clamp(1.05rem, 2.2vw, 1.3rem); margin-bottom: 10px; }
.formula .line span { color: var(--lime); }
.formula p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.timeline { list-style: none; padding: 0; margin: 10px 0 30px; }
.timeline li { position: relative; padding: 0 0 26px 30px; border-left: 2px solid var(--line); margin-left: 7px; }
.timeline li:last-child { padding-bottom: 4px; }
.timeline li::before { content: ""; position: absolute; left: -8px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--black); border: 2px solid var(--lime); }
.timeline .when { display: block; color: var(--lime); font-weight: 800; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 4px; }
.timeline strong { display: block; font-family: var(--serif); font-size: 1.12rem; margin-bottom: 4px; }

.figure { margin: 36px 0; background: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.figure svg { width: 100%; height: auto; display: block; }
.figure figcaption { color: var(--muted); font-size: 0.88rem; margin-top: 12px; text-align: center; }

.sources { border-top: 1px solid var(--line); margin-top: 44px; padding-top: 18px; font-size: 0.88rem; color: var(--muted); }
.sources p { margin: 0 0 6px; }
.sources a { color: var(--muted); }

.share { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 40px 0 0; }
.share span { color: var(--muted); font-weight: 700; font-size: 0.9rem; margin-right: 4px; }
.share .btn { padding: 9px 18px; font-size: 0.88rem; }

.author-box { display: grid; grid-template-columns: 72px 1fr; gap: 20px; align-items: start; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; margin: 48px 0 0; }
.author-box .avatar { width: 72px; height: 72px; font-size: 1.3rem; }
.author-box h3 { font-size: 1.15rem; margin: 0 0 6px; }
.author-box p { margin: 0 0 10px; color: #cfcfcf; font-size: 0.97rem; }

.keep-reading { padding: 80px 0 40px; }
.keep-reading h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }

/* Responsive */
@media (max-width: 900px) {
  .featured { grid-template-columns: 1fr; }
  .featured .cover { min-height: 0; aspect-ratio: 16 / 9; }
  .featured-body { padding: 30px 26px; }
  .newsletter { grid-template-columns: 1fr; padding: 34px 26px; gap: 22px; }
}
@media (max-width: 760px) {
  .blog-hero { padding: 52px 0 24px; }
  .blog-list { padding: 24px 0 60px; }
  .post-grid { grid-template-columns: 1fr; gap: 14px; }
  .post-card-body { padding: 20px; }
  .article-head { padding: 44px 0 24px; }
  .article-wrap, .article-wide { padding: 0 16px; }
  .article-body { font-size: 1.02rem; }
  .short-version { padding: 20px 20px 6px; margin: 32px 0 28px; }
  .signup { flex-direction: column; }
  .signup .btn { justify-content: center; }
  .author-box { grid-template-columns: 1fr; }
  .keep-reading { padding: 52px 0 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .featured, .post-card, .read-more span { transition: none; }
}