/* =================================================================
   Willow — resources page

   Lifted out of the page's inline <style> block (TODO §0).
   ================================================================= */
/* Anchor strip */
  .anchor-strip {
    position: sticky; top: var(--nav-h); z-index: 50;
    background: rgba(244, 239, 231, 0.85);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--rule);
    padding: 14px 0;
  }
  body.has-announce .anchor-strip { top: calc(var(--nav-h) + 32px); }
  .anchor-strip .wrap { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
  .anchor-strip .label { font-family: var(--mono); font-size: var(--t-micro); color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.08em; margin-right: 12px; }
  .anchor-strip a { font-size: 13px; padding: 6px 12px; border-radius: var(--r-pill); color: var(--ink-2); border: 1px solid var(--rule); background: var(--white); }
  .anchor-strip a:hover { border-color: var(--ink); color: var(--ink); }

  /* Stats strip under hero */
  .academy-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-top: 56px;
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
  }
  .academy-stats .cell {
    padding: 24px 28px;
    border-right: 1px solid var(--rule);
    display: flex; flex-direction: column; gap: 4px;
  }
  .academy-stats .cell:last-child { border-right: none; }
  .academy-stats .lab { font-family: var(--mono); font-size: var(--t-micro); color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.08em; }
  .academy-stats .big { font-size: 36px; font-weight: 600; letter-spacing: -0.025em; color: var(--ink); line-height: 1; margin-top: 6px; }
  .academy-stats .big .unit { font-size: 16px; color: var(--ink-3); margin-left: 4px; }

  /* E-books section */
  .ebooks { padding: 96px 0; border-top: 1px solid var(--rule); }
  .ebook-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 48px;
  }
  .ebook-card {
    background: var(--white);
    border: 1px solid var(--rule);
    border-radius: var(--r-xl);
    padding: 20px;
    display: flex; flex-direction: column; gap: 12px;
    text-decoration: none; color: inherit;
    transition: border-color 0.15s, transform 0.15s;
  }
  .ebook-card:hover { border-color: var(--ink); transform: translateY(-2px); }
  .ebook-card.featured { background: var(--ink); color: var(--cream); border-color: transparent; }
  .ebook-card .cover {
    aspect-ratio: 4/3;
    border-radius: var(--r-md);
    background: var(--cream-2);
    padding: 18px 16px;
    display: flex; flex-direction: column; justify-content: space-between;
    position: relative;
    overflow: hidden;
  }
  .ebook-card.featured .cover { background: var(--blue); }
  .ebook-card .cover::after {
    content: ""; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 1px 1px, var(--ink-4) 1px, transparent 0);
    background-size: 14px 14px;
    opacity: 0.4;
  }
  .ebook-card.featured .cover::after {
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.3) 1px, transparent 0);
    opacity: 1;
  }
  .ebook-card .cover > * { position: relative; z-index: 2; }
  .ebook-card .cover .ord { font-family: var(--mono); font-size: var(--t-micro); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
  .ebook-card.featured .cover .ord { color: rgba(255,255,255,0.7); }
  .ebook-card .cover .ttl {
    font-family: var(--sans);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.014em;
    line-height: 1.1;
    color: var(--ink);
    margin-top: auto;
  }
  .ebook-card.featured .cover .ttl { color: var(--white); }
  .ebook-card .meta { display: flex; gap: 10px; font-family: var(--mono); font-size: var(--t-micro); color: var(--ink-3); letter-spacing: 0.04em; }
  .ebook-card.featured .meta { color: rgba(244,239,231,0.6); }
  .ebook-card .desc { font-size: 12.5px; color: var(--ink-2); line-height: 1.45; flex: 1; }
  .ebook-card.featured .desc { color: rgba(244,239,231,0.78); }
  .ebook-card .dl {
    font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; color: var(--blue); display: inline-flex; align-items: center; gap: 6px;
  }
  .ebook-card.featured .dl { color: var(--blue-mid); }

  /* Per-edition accent covers (color matched to each e-book) */
  .ebook-card .cover.tint { color: #fff; }
  .ebook-card .cover.tint .ord { color: rgba(255,255,255,0.72); }
  .ebook-card .cover.tint .ttl { color: #fff; }
  .ebook-card .cover.tint::after {
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.32) 1px, transparent 0);
    opacity: 1;
  }

  /* Courses */
  .courses { padding: 96px 0; background: var(--cream); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
  .courses-bar {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin: 32px 0;
  }
  .courses-bar button {
    padding: 8px 14px; border-radius: var(--r-pill);
    background: var(--white); border: 1px solid var(--rule);
    font-size: 13px; color: var(--ink-2);
    cursor: pointer;
  }
  .courses-bar button:hover { border-color: var(--ink); color: var(--ink); }
  .courses-bar button.on { background: var(--ink); color: var(--cream); border-color: var(--ink); }

  .course-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .course {
    background: var(--white);
    border: 1px solid var(--rule);
    border-radius: var(--r-lg);
    padding: 24px;
    text-decoration: none; color: inherit;
    display: flex; flex-direction: column; gap: 12px;
    transition: border-color 0.15s, transform 0.15s;
  }
  .course:hover { border-color: var(--ink); transform: translateY(-2px); }
  .course .row1 { display: flex; justify-content: space-between; align-items: center; }
  .course .level {
    font-family: var(--mono); font-size: var(--t-micro); padding: 3px 8px; border-radius: 4px;
    background: var(--blue-soft); color: var(--blue);
    letter-spacing: 0.06em; text-transform: uppercase;
  }
  .course .level.advanced { background: rgba(184,104,70,0.12); color: var(--clay); }
  .course .level.intermediate { background: rgba(123,224,164,0.18); color: #1b6b3b; }
  .course .modules { font-family: var(--mono); font-size: var(--t-micro); color: var(--ink-3); letter-spacing: 0.04em; }
  .course h4 { font-size: 18px; letter-spacing: -0.012em; line-height: 1.2; }
  .course .desc { font-size: 13px; color: var(--ink-2); line-height: 1.5; flex: 1; }
  .course .audience { font-family: var(--mono); font-size: var(--t-micro); color: var(--ink-3); padding-top: 14px; border-top: 1px dashed var(--rule); letter-spacing: 0.02em; }
  .course .audience b { color: var(--ink); font-weight: 500; }

  /* Featured post */
  .feat-post {
    margin-top: 56px;
    background: var(--ink);
    color: var(--cream);
    border-radius: 28px;
    padding: 48px;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 56px;
    text-decoration: none;
    align-items: center;
  }
  .feat-post:hover h3 { color: var(--blue-mid); }
  .feat-post h3 { font-size: 38px; letter-spacing: -0.022em; line-height: 1.05; margin-top: 14px; transition: color 0.2s; }
  .feat-post p { color: rgba(244,239,231,0.75); font-size: 16px; line-height: 1.55; margin-top: 16px; max-width: 54ch; }
  .feat-post .ftag { font-family: var(--mono); font-size: var(--t-micro); color: var(--blue-mid); text-transform: uppercase; letter-spacing: 0.08em; }
  .feat-post .feat-meta { display: flex; gap: 16px; margin-top: 24px; font-family: var(--mono); font-size: 12px; color: rgba(244,239,231,0.55); flex-wrap: wrap; }
  .feat-post .feat-meta b { color: var(--cream); font-weight: 500; }
  .feat-post .feat-illust {
    aspect-ratio: 1 / 1;
    border-radius: var(--r-lg);
    background: linear-gradient(135deg, rgba(0,48,221,0.6), rgba(0,31,156,0.85));
    padding: 32px;
    display: flex; flex-direction: column; justify-content: space-between;
    font-family: var(--mono);
    font-size: var(--t-micro);
    color: rgba(255,255,255,0.65);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
  }
  .feat-post .feat-illust::after {
    content: ""; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.25) 1px, transparent 0);
    background-size: 18px 18px;
  }
  .feat-post .feat-illust .row { position: relative; z-index: 2; display: flex; justify-content: space-between; }
  .feat-post .feat-illust .big { position: relative; z-index: 2; font-family: var(--sans); font-size: 56px; font-weight: 600; letter-spacing: -0.03em; color: var(--white); text-transform: none; line-height: 0.95; }

  /* Filter pills (blog) */
  .topic-bar { display: flex; gap: 8px; flex-wrap: wrap; margin: 56px 0 32px; }
  .topic-pill { padding: 8px 16px; font-size: 13px; border-radius: var(--r-pill); border: 1px solid var(--rule); background: var(--white); color: var(--ink-2); transition: all 0.15s; cursor: pointer; }
  .topic-pill:hover { border-color: var(--ink); }
  .topic-pill.active { background: var(--ink); color: var(--cream); border-color: var(--ink); }

  /* Articles */
  .articles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .article { text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 14px; transition: transform 0.15s; }
  .article:hover { transform: translateY(-3px); }
  .article:hover h4 { color: var(--blue); }
  .art-illust {
    min-height: 248px;
    border-radius: var(--r-md);
    background: var(--cream-2);
    border: 1px solid var(--rule);
    padding: 24px;
    display: flex; flex-direction: column; justify-content: space-between;
    font-family: var(--mono);
    font-size: var(--t-micro); color: var(--ink-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    overflow: hidden;
  }
  .art-illust .row { position: relative; z-index: 2; display: flex; justify-content: space-between; }
  .art-illust .ttl {
    position: relative; z-index: 2;
    font-family: var(--sans); font-size: 22px;
    letter-spacing: -0.012em;
    color: var(--ink); line-height: 1.1;
    text-transform: none;
    font-weight: 600;
    margin: auto 0;
  }
  .art-illust::after {
    content: ""; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 1px 1px, var(--ink-4) 1px, transparent 0);
    background-size: 14px 14px;
    opacity: 0.4;
  }
  .art-illust.b { background: var(--blue); color: rgba(255,255,255,0.8); }
  .art-illust.b .ttl { color: var(--white); }
  .art-illust.b::after { background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.25) 1px, transparent 0); opacity: 1; }
  .art-illust.ink { background: var(--ink); color: rgba(255,255,255,0.55); }
  .art-illust.ink .ttl { color: var(--cream); }
  .art-illust.ink::after { background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.18) 1px, transparent 0); opacity: 1; }
  .art-illust.paper { background: var(--paper); }
  .article .meta { font-family: var(--mono); font-size: var(--t-micro); color: var(--ink-3); letter-spacing: 0.04em; display: flex; gap: 10px; align-items: center; }
  .article .meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-4); }
  .article h4 { font-size: 20px; letter-spacing: -0.012em; line-height: 1.2; transition: color 0.15s; }
  .article p { font-size: 14px; color: var(--ink-2); line-height: 1.5; }
  .article .art-author { font-family: var(--mono); font-size: var(--t-micro); letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-3); margin-top: 2px; }

  /* Changelog */
  .changelog { padding: 96px 0; border-top: 1px solid var(--rule); background: var(--cream); }
  .changelog-list { margin-top: 40px; display: flex; flex-direction: column; }
  .ch-entry { display: grid; grid-template-columns: 200px 1fr; gap: 48px; padding: 28px 0; border-top: 1px solid var(--rule); }
  .ch-entry:first-child { border-top: none; padding-top: 0; }
  .ch-entry .ver { font-family: var(--mono); font-size: 13px; color: var(--blue); font-weight: 500; }
  .ch-entry .date { font-family: var(--mono); font-size: var(--t-micro); color: var(--ink-3); margin-top: 6px; letter-spacing: 0.02em; }
  .ch-entry h4 { font-size: 22px; letter-spacing: -0.014em; }
  .ch-entry ul { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
  .ch-entry ul li { font-size: 14px; color: var(--ink-2); line-height: 1.5; padding-left: 22px; position: relative; }
  .ch-entry ul li::before { content: ""; position: absolute; left: 0; top: 9px; width: 12px; height: 1px; background: var(--blue); }
  .ch-tag { display: inline-block; margin-right: 6px; padding: 2px 8px; font-family: var(--mono); font-size: var(--t-micro); border-radius: 4px; background: var(--blue-soft); color: var(--blue); text-transform: uppercase; letter-spacing: 0.06em; }
  .ch-tag.fix { background: rgba(184,104,70,0.12); color: var(--clay); }
  .ch-tag.imp { background: rgba(123,224,164,0.18); color: #1b6b3b; }

  @media (max-width: 1100px) {
    .academy-stats { grid-template-columns: 1fr 1fr; }
    .academy-stats .cell:nth-child(2) { border-right: none; }
    .academy-stats .cell:nth-child(1), .academy-stats .cell:nth-child(2) { border-bottom: 1px solid var(--rule); }
    .ebook-grid { grid-template-columns: 1fr 1fr; }
    .course-grid { grid-template-columns: 1fr 1fr; }
    .feat-post { grid-template-columns: 1fr; }
    .articles { grid-template-columns: 1fr 1fr; }
    .ch-entry { grid-template-columns: 1fr; gap: 14px; }
  }
  @media (max-width: 720px) {
    .ebook-grid { grid-template-columns: 1fr; }
    .course-grid { grid-template-columns: 1fr; }
    .articles { grid-template-columns: 1fr; }
  }

/* ---- Coming-soon cards ----
   The flagship e-book and the six course cards have no destination yet.
   They were <a href="#">, which looks and behaves like a live link and does
   nothing when clicked. They are now non-interactive <span>s carrying a
   "Coming soon" tag, the same treatment comparisons-hub already uses for
   comparisons that aren't written yet (.hub-card.soon).

   Swap back to <a href="…"> and drop the .soon class as each one ships. */
.course.soon,
.ebook-card.soon {
  cursor: default;
}
.course.soon:hover,
.ebook-card.soon:hover {
  transform: none;
  border-color: var(--rule);
  box-shadow: none;
}
.soon-tag {
  font-family: var(--mono);
  font-size: var(--t-micro);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.course.soon .row1 .soon-tag { margin-left: auto; }
.ebook-card.soon .dl.soon-tag { color: var(--ink-4); }