/* Recipe Kieltyka Co — blueprint spec-sheet */

:root {
  --bp-blue: #1d3a5f;
  --bp-grid: rgba(29, 58, 95, 0.12);
  --bp-line: rgba(29, 58, 95, 0.35);
  --bp-paper: #f4f8fc;
  --bp-ink: #14263c;
  --bp-accent: #2f6db5;
  --bp-dim: #5d748f;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bp-paper);
  background-image:
    linear-gradient(var(--bp-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bp-grid) 1px, transparent 1px);
  background-size: 26px 26px;
  color: var(--bp-ink);
  font-family: "Courier New", Courier, monospace;
  font-size: 15.5px;
  line-height: 1.65;
}

h1, h2, h3 { font-family: "Courier New", Courier, monospace; }
h1 { font-size: clamp(1.5rem, 3.2vw, 2.2rem); letter-spacing: 0.02em; color: var(--bp-blue); }
h2 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--bp-blue); margin: 2.2rem 0 0.8rem; padding-bottom: 0.3rem; border-bottom: 2px solid var(--bp-blue); }
h3 { font-size: 0.95rem; margin: 0 0 0.35rem; }

.wrap-b { max-width: 980px; margin: 0 auto; padding: 0 1.2rem; }

/* spec header */
.spec-head {
  background: var(--bp-blue);
  color: #e8f0fa;
  padding: 1.5rem 0 1.3rem;
  border-bottom: 3px double #9fc0e8;
}
.spec-head .wrap-b { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 0.6rem 1.5rem; }
.spec-head h1 { color: #fff; font-size: 1.4rem; letter-spacing: 0.06em; }
.spec-head .doc-no { font-size: 0.75rem; color: #9fc0e8; letter-spacing: 0.12em; }
.spec-head nav { display: flex; flex-wrap: wrap; gap: 0.3rem 1.4rem; }
.spec-head nav a { color: #cfe0f4; text-decoration: none; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; }
.spec-head nav a:hover { color: var(--bp-accent); }

/* spec cards */
.spec {
  background: #fff;
  border: 1.5px solid var(--bp-blue);
  padding: 0.9rem 1.1rem 0.8rem;
  margin-bottom: 0.9rem;
  position: relative;
}
.spec::before {
  content: attr(data-rec);
  position: absolute; top: -0.85rem; left: 0.9rem;
  background: var(--bp-paper);
  padding: 0 0.5rem;
  font-size: 0.72rem; letter-spacing: 0.1em; color: var(--bp-accent);
}
.spec .spec-title { font-weight: bold; color: var(--bp-blue); display: block; margin-bottom: 0.2rem; }
.spec .spec-note { font-size: 0.88rem; margin: 0 0 0.4rem; color: var(--ink); }
.spec .spec-sauce, .spec .spec-build {
  font-size: 0.8rem; padding: 0.25rem 0.6rem; margin: 0.25rem 0 0;
  border: 1px dashed var(--bp-line); background: rgba(159, 192, 232, 0.12);
}
.spec .spec-build { border-style: solid; }
.spec b.tag { color: var(--bp-accent); letter-spacing: 0.1em; }

/* glossary block */
.spec-gloss {
  border: 2px solid var(--bp-blue);
  background: #fff;
  padding: 1.1rem 1.3rem;
  margin-top: 1.6rem;
  font-size: 0.88rem;
}
.spec-gloss h3 { margin-top: 0; color: var(--bp-blue); }
.spec-gloss ul { margin: 0.4rem 0 0; padding-left: 1.2rem; }
.spec-gloss li { margin-bottom: 0.3rem; }

/* download spec */
.dl-spec {
  border: 2px dashed var(--bp-blue);
  background: rgba(255, 255, 255, 0.85);
  padding: 1.1rem 1.3rem;
  margin-top: 1.6rem;
}
.dl-spec .btn {
  display: inline-block; background: var(--bp-blue); color: #fff;
  font-family: "Courier New", monospace; font-weight: bold;
  padding: 0.55rem 1.2rem; text-decoration: none; margin-top: 0.6rem;
}
.dl-spec .btn:hover { background: var(--bp-accent); }

/* footer */
.bp-foot {
  border-top: 3px double var(--bp-blue);
  padding: 1.4rem 0 1.8rem;
  font-size: 0.8rem;
  color: var(--bp-dim);
}
.bp-foot .wrap-b ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.3rem 1.5rem; margin: 0.4rem 0 0.6rem; padding: 0; }
.bp-foot a { color: var(--bp-blue); }