/* Big Sky Dynamics - content surfaces (task-56): /blog, /resources, gate.
 * Loaded after /styles.css. Tokens come from styles.css (:root). */

.content-main { padding: 30px 0 56px; }

.crumbs { font-size: 12px; color: var(--muted-2); margin-bottom: 14px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--blue); }
.crumbs span { padding: 0 4px; }

.content-hero { max-width: 820px; margin-bottom: 22px; }
.content-hero h1 { font-size: 34px; line-height: 1.15; letter-spacing: -0.5px; margin: 0 0 10px; color: var(--ink); }
.content-hero .lead { font-size: 16px; line-height: 1.65; color: var(--muted); margin: 0; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 30px; align-items: start; }
.content-grid > * { min-width: 0; }
.content-side { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 18px; }
.content-side .panel h2 { font-size: 17px; margin: 2px 0 8px; }
.content-side .panel .sub { font-size: 13px; }

.article-body { max-width: 780px; }
.article-body h1 { font-size: 33px; line-height: 1.16; letter-spacing: -0.4px; margin: 4px 0 12px; color: var(--ink); }
.article-body h2 { font-size: 21px; line-height: 1.3; margin: 30px 0 10px; color: var(--ink); scroll-margin-top: 18px; }
.article-body h3 { font-size: 16.5px; margin: 22px 0 8px; color: var(--ink); }
.article-body p { font-size: 15.5px; line-height: 1.72; color: #232838; margin: 0 0 14px; }
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 22px; }
.article-body li { font-size: 15.5px; line-height: 1.68; color: #232838; margin-bottom: 8px; }
.article-body blockquote { margin: 18px 0; padding: 14px 18px; border-left: 4px solid var(--magenta); background: var(--surface); border-radius: 0 10px 10px 0; }
.article-body blockquote p { margin: 0; font-size: 15px; }
.article-body a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--blue-dark); }

.byline { font-size: 12.5px; color: var(--muted-2); margin: 0 0 18px; }
.article-intro { font-size: 17.5px !important; line-height: 1.65 !important; color: var(--muted) !important; margin-bottom: 20px !important; }

.toc { margin: 18px 0 8px; padding: 16px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.toc ol { margin: 0; padding-left: 18px; }
.toc li { font-size: 13.5px; line-height: 1.6; margin-bottom: 4px; }
.toc a { color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--blue); }

.article-foot { margin: 26px 0 0; padding: 18px 20px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.article-foot p { font-size: 14px; margin-bottom: 10px; }

.section-h { font-size: 22px; margin: 34px 0 6px; color: var(--ink); }
.content-cta { margin-top: 26px; }
.content-cta h2 { font-size: 20px; margin: 0 0 6px; }
.content-cta .sub { font-size: 14px; color: var(--muted); }

/* cards */
.res-grid { display: grid; gap: 16px; margin: 14px 0 8px; }
.res-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.res-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.res-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.res-card h3 { font-size: 16.5px; line-height: 1.35; margin: 4px 0 8px; }
.res-card h3 a { color: var(--ink); text-decoration: none; }
.res-card h3 a:hover { color: var(--blue); }
.res-card .sub { font-size: 13.5px; line-height: 1.6; color: var(--muted); flex: 1; margin: 0 0 12px; }
.res-kicker { font-size: 10.5px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: var(--magenta); margin: 0 0 2px; }
.res-more { font-size: 13px; font-weight: 600; color: var(--blue); text-decoration: none; }
.res-more:hover { text-decoration: underline; }

.featured-post { margin: 8px 0 18px; padding: 24px; }
.featured-post h2 { font-size: 23px; line-height: 1.25; margin: 6px 0 10px; }
.featured-post h2 a { color: var(--ink); text-decoration: none; }
.featured-post h2 a:hover { color: var(--blue); }
.featured-post .sub { font-size: 14.5px; line-height: 1.65; color: var(--muted); margin: 0 0 14px; }

.side-list { list-style: none; margin: 0 0 14px; padding: 0; }
.side-list li { margin-bottom: 8px; }
.side-list a { font-size: 13.5px; color: var(--ink); text-decoration: none; line-height: 1.45; }
.side-list a:hover { color: var(--blue); }

.res-related { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin: 6px 0 0; }
.res-related ul { list-style: none; margin: 0; padding: 0; }
.res-related li { margin-bottom: 9px; }
.res-related a { font-size: 13.5px; line-height: 1.45; color: var(--ink); text-decoration: none; }
.res-related a:hover { color: var(--blue); }

.ebook-get { margin: 18px 0 6px; padding: 22px; }
.ebook-get h2 { font-size: 19px; margin: 4px 0 10px; }
.ebook-inside { margin: 0 0 12px; padding-left: 20px; }
.ebook-inside li { font-size: 14px; line-height: 1.6; margin-bottom: 5px; }
.ebook-get .sub { font-size: 13.5px; color: var(--muted); }

/* gated download form */
.res-gate { margin: 30px 0 8px; padding: 24px; background: var(--surface); border: 1px solid var(--line-strong); }
.res-gate h2 { font-size: 20px; line-height: 1.3; margin: 4px 0 8px; }
.res-gate .sub { font-size: 13.5px; line-height: 1.6; color: var(--muted); margin: 0 0 16px; }
.gate-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; align-items: end; }
.gate-field { display: flex; flex-direction: column; gap: 5px; }
.gate-field label { font-size: 11.5px; font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; color: var(--ink); }
.gate-field .req { color: var(--magenta); font-weight: 600; text-transform: none; letter-spacing: 0; }
.gate-field .opt { color: var(--muted-2); font-weight: 500; text-transform: none; letter-spacing: 0; }
.gate-field input { width: 100%; min-width: 0; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: 8px; font: inherit; font-size: 14px; background: #fff; color: var(--ink); }
.gate-field input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(27, 27, 255, 0.12); }
.gate-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.gate-form .btn { grid-column: 1 / -1; justify-self: start; }
.gate-form .btn[disabled] { opacity: 0.6; cursor: progress; }
.gate-fine { grid-column: 1 / -1; font-size: 12px; line-height: 1.55; color: var(--muted-2); margin: 0; }
.gate-result { margin-top: 12px; font-size: 13.5px; line-height: 1.6; }
.gate-result.ok { color: var(--good); }
.gate-result.err { color: #a32020; }

@media (max-width: 1024px) {
  .content-grid { grid-template-columns: minmax(0, 1fr); }
  .content-side { position: static; flex-direction: row; flex-wrap: wrap; }
  .content-side > * { flex: 1 1 260px; }
  .res-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gate-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .content-main { padding: 20px 0 40px; }
  .content-hero h1, .article-body h1 { font-size: 27px; }
  .article-body p, .article-body li { font-size: 15px; }
  .res-grid-2, .res-grid-3 { grid-template-columns: minmax(0, 1fr); }
  .gate-form { grid-template-columns: minmax(0, 1fr); }
  .content-side { flex-direction: column; }
  .res-card, .res-gate, .ebook-get, .featured-post { padding: 18px; }
  .toc { padding: 14px; }
  .content-grid { gap: 20px; }
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 18px; }
.hero-actions .btn { text-decoration: none; }