/* ============================================================
   PROACTIVE Co — Blog styles
   Extends /assets/css/style.css (brand vars: --red, --black,
   --white, --off-white, --grey-*, --display, --body, --radius-*).
   Namespaced .blog-* to avoid cascade collisions with the site.
   Hero/thumbnail treatment: black-and-white photo + branded
   canvas graphic overlay (see blog-graphics.js).
   ============================================================ */

.blog-page { background: var(--off-white); }

/* ---- shared media treatment: B&W photo + graphic overlay ---- */
.blog-media { position: relative; overflow: hidden; background: var(--black); isolation: isolate; }
.blog-media .blog-photo {
  position: absolute; inset: 0;
  background-image: var(--photo); background-size: cover; background-position: center;
  filter: grayscale(1) contrast(1.06) brightness(0.82);
}
.blog-media .blog-photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.20) 0%, rgba(10,10,10,0.55) 100%);
}
.blog-media canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; }

/* ---- masthead (index) ---- */
.blog-mast { padding: 132px 0 34px; }
.blog-eyebrow {
  font-family: var(--body); text-transform: uppercase; letter-spacing: 0.16em;
  font-size: 12px; font-weight: 600; color: var(--red);
}
.blog-mast h1 {
  font-family: var(--display); font-weight: 700; letter-spacing: -0.03em;
  line-height: 1.04; font-size: clamp(38px, 6.5vw, 66px);
  color: var(--black); margin: 14px 0 0; max-width: 16ch; text-wrap: balance;
}
.blog-mast p { color: var(--grey-700); max-width: 56ch; margin: 18px 0 0; font-size: 19px; }

/* ---- section label ---- */
.blog-sec { display: flex; align-items: center; gap: 16px; margin: 6px 0 22px; }
.blog-sec h2 {
  font-family: var(--body); font-size: 13px; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--grey-500); font-weight: 600; margin: 0;
}
.blog-sec .rule { flex: 1; height: 1px; background: var(--grey-200); }

/* ---- tags ---- */
.blog-tag {
  display: inline-block; background: var(--grey-100); color: var(--grey-700);
  border-radius: 100px; padding: 4px 12px; font-weight: 600; font-size: 12px;
  letter-spacing: 0.02em; font-family: var(--body);
}
.blog-tag.hot { background: rgba(245,0,0,0.10); color: var(--red); }
.blog-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  font-size: 13px; color: var(--grey-500); font-family: var(--body); }

/* ---- featured ---- */
.blog-featured {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 0;
  border: 1px solid var(--grey-200); border-radius: var(--radius-lg);
  overflow: hidden; background: var(--white); text-decoration: none; color: inherit;
  margin-bottom: 62px; transition: border-color .15s ease, transform .15s ease;
}
.blog-featured:hover { border-color: var(--grey-300); transform: translateY(-2px); }
.blog-featured .blog-media { min-height: 340px; }
.blog-featured-body { padding: 36px 38px; display: flex; flex-direction: column; gap: 15px; justify-content: center; }
.blog-featured-body h3 {
  font-family: var(--display); font-weight: 700; letter-spacing: -0.02em; line-height: 1.12;
  font-size: clamp(26px, 3.2vw, 35px); color: var(--black); margin: 0; text-wrap: balance;
}
.blog-featured-body p { margin: 0; color: var(--grey-700); font-size: 17px; }
.blog-readmore { color: var(--red); font-weight: 600; font-size: 15px; font-family: var(--body); }
@media (max-width: 860px) { .blog-featured { grid-template-columns: 1fr; } .blog-featured .blog-media { min-height: 220px; } }

/* ---- archive layout ---- */
.blog-archive { display: grid; grid-template-columns: 1fr 268px; gap: 52px; padding-bottom: 96px; }
@media (max-width: 900px) { .blog-archive { grid-template-columns: 1fr; } }
.blog-month { margin-bottom: 44px; }
.blog-month-head {
  font-family: var(--display); font-weight: 700; font-size: 15px; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--grey-500);
  padding-bottom: 12px; border-bottom: 1px solid var(--grey-200); margin-bottom: 24px;
}
.blog-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 620px) { .blog-cards { grid-template-columns: 1fr; } }

.blog-card {
  border: 1px solid var(--grey-200); border-radius: var(--radius-lg); overflow: hidden;
  background: var(--white); text-decoration: none; color: inherit;
  display: flex; flex-direction: column; transition: transform .15s ease, border-color .15s ease;
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--grey-300); }
.blog-card .blog-media { height: 184px; }
.blog-card-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 11px; flex: 1; }
.blog-card-body h4 {
  font-family: var(--display); font-weight: 700; letter-spacing: -0.015em;
  font-size: 20px; line-height: 1.18; color: var(--black); margin: 0;
}
.blog-card-body p { margin: 0; font-size: 14.5px; color: var(--grey-700); line-height: 1.55; }
.blog-card-body .blog-meta { margin-top: auto; }

/* ---- archive rail ---- */
.blog-rail { position: sticky; top: 96px; align-self: start; }
.blog-rail h3 { font-family: var(--body); font-size: 13px; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--grey-500); font-weight: 600; margin: 0 0 14px; }
.blog-rail-box { border: 1px solid var(--grey-200); border-radius: var(--radius-md); background: var(--white); padding: 8px 6px; margin-bottom: 26px; }
.blog-rail-year { padding: 8px 12px; font-family: var(--display); font-weight: 700; font-size: 15px; color: var(--black); }
.blog-rail-box a { display: flex; justify-content: space-between; text-decoration: none; color: var(--grey-700);
  padding: 8px 12px; border-radius: var(--radius-sm); font-size: 14.5px; }
.blog-rail-box a:hover { background: var(--grey-100); color: var(--black); }
.blog-rail-box a .n { color: var(--grey-500); font-variant-numeric: tabular-nums; }
.blog-subcard { border: 1px solid var(--grey-200); border-radius: var(--radius-md); background: var(--white); padding: 22px; }
.blog-subcard h3 { font-family: var(--display); font-weight: 700; font-size: 18px; text-transform: none; letter-spacing: -0.01em; color: var(--black); margin: 0 0 8px; }
.blog-subcard p { font-size: 14px; color: var(--grey-700); margin: 0 0 16px; }

/* ============================================================
   ARTICLE
   ============================================================ */
.blog-hero { position: relative; min-height: clamp(320px, 46vw, 480px); display: flex; align-items: flex-end; }
.blog-hero .blog-hero-inner { position: relative; z-index: 3; width: 100%; padding: 44px 0 40px; color: var(--white); }
.blog-hero .blog-crumbs { font-size: 13px; color: rgba(255,255,255,0.75); margin-bottom: 16px; font-family: var(--body); }
.blog-hero .blog-crumbs a { color: #fff; text-decoration: none; }
.blog-hero h1 {
  font-family: var(--display); font-weight: 700; letter-spacing: -0.03em; line-height: 1.06;
  font-size: clamp(30px, 5vw, 52px); color: #fff; margin: 14px 0 0; max-width: 20ch; text-wrap: balance;
}
.blog-hero .blog-hero-meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  margin-top: 20px; font-size: 14px; color: rgba(255,255,255,0.8); font-family: var(--body); }
.blog-hero .blog-avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--red); color: #fff;
  display: grid; place-items: center; font-family: var(--display); font-weight: 700; font-size: 14px; }

/* article body */
.blog-body { background: var(--off-white); }
.blog-prose { max-width: 720px; margin: 0 auto; padding: 52px 0 24px; }
.blog-prose p { margin: 0 0 20px; font-size: 18px; line-height: 1.68; color: var(--grey-700); }
.blog-prose h2 {
  font-family: var(--display); font-weight: 700; letter-spacing: -0.02em; line-height: 1.14;
  font-size: clamp(24px, 3.1vw, 32px); color: var(--black); margin: 46px 0 10px; text-wrap: balance;
}
.blog-prose h3 { font-family: var(--display); font-weight: 700; font-size: 21px; color: var(--black); margin: 32px 0 8px; }
.blog-prose h2 + p, .blog-prose h3 + p { margin-top: 8px; }
.blog-prose ul, .blog-prose ol { margin: 0 0 22px; padding-left: 24px; }
.blog-prose li { margin: 0 0 11px; font-size: 18px; line-height: 1.62; color: var(--grey-700); }
.blog-prose ol li::marker { font-family: var(--display); font-weight: 700; color: var(--red); }
.blog-prose strong { color: var(--black); font-weight: 700; }
.blog-prose a.blog-a {
  color: var(--red); text-decoration: underline; text-underline-offset: 2px;
  text-decoration-thickness: 1.5px; font-weight: 500;
}
.blog-prose a.blog-a:hover { color: var(--red-dark); }
.blog-lead { font-size: 21px !important; line-height: 1.55 !important; color: var(--black) !important; }

.blog-tldr {
  background: var(--white); border: 1px solid var(--grey-200); border-left: 3px solid var(--red);
  border-radius: var(--radius-md); padding: 22px 26px; margin: 0 0 32px;
}
.blog-tldr strong { font-family: var(--display); color: var(--black); }
.blog-tldr ul { margin: 12px 0 0; }
.blog-tldr li { font-size: 16px; }
.blog-pull {
  font-family: var(--display); font-weight: 700; font-size: clamp(22px, 3vw, 29px);
  line-height: 1.24; letter-spacing: -0.02em; color: var(--black);
  border-top: 2px solid var(--red); border-bottom: 1px solid var(--grey-200);
  padding: 24px 0; margin: 34px 0;
}
.blog-editnote {
  font-size: 14px; color: var(--grey-700); border: 1px dashed var(--grey-300);
  border-radius: var(--radius-sm); padding: 12px 16px; margin: 0 0 24px;
  background: rgba(245,0,0,0.04); font-family: var(--body);
}

.blog-ctacard {
  max-width: 720px; margin: 36px auto 0; background: var(--black); color: var(--white);
  border-radius: var(--radius-lg); padding: 38px 38px;
}
.blog-ctacard h3 { font-family: var(--display); font-weight: 700; color: #fff; font-size: 27px; margin: 0 0 8px; letter-spacing: -0.02em; }
.blog-ctacard p { color: rgba(255,255,255,0.78); margin: 0 0 20px; font-size: 16px; }

.blog-related { max-width: 720px; margin: 0 auto; border-top: 1px solid var(--grey-200); padding: 44px 0 96px; }
.blog-related h3 { font-family: var(--body); font-size: 14px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--grey-500); margin: 0 0 20px; }
.blog-related .blog-card { max-width: 560px; }

@media (max-width: 760px) {
  .blog-mast { padding: 108px 0 28px; }
  .blog-prose { padding: 38px 0 20px; }
}

/* ── "Join the list" signup form (blog rail subcard) ──────────────── */
.blog-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.blog-signup { display: flex; flex-direction: column; gap: 8px; }
.blog-signup-names { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.blog-signup input { width: 100%; font-family: var(--body); font-size: 14px; color: var(--black);
  padding: 10px 12px; border: 1px solid var(--grey-300); border-radius: 10px; background: var(--white);
  transition: border-color 0.15s, box-shadow 0.15s; }
.blog-signup input::placeholder { color: var(--grey-500); }
.blog-signup input:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(245,0,0,0.12); }
.blog-signup button { width: 100%; margin-top: 2px; }
.blog-signup-done { font-size: 14px; line-height: 1.55; color: var(--grey-700); }
.blog-signup-done strong { display: block; font-family: var(--display); font-weight: 700; font-size: 16px; color: var(--black); margin-bottom: 2px; }
.blog-signup-done a { color: var(--red); font-weight: 600; }