/*
 * Spartan Brotherhood — long-form web manual reader.
 * Tokens mirror src/data/spartanManualDesignSystem.js (black/charcoal, white type, restrained gold).
 * Used by the static HTML editions under /manuals/spartan-families/ and /manuals/neurodiversity/.
 */

:root {
  --sbm-bg: #0A0B0E;
  --sbm-charcoal: #111111;
  --sbm-panel: #15161A;
  --sbm-line: rgba(201, 162, 76, 0.28);
  --sbm-line-soft: rgba(255, 255, 255, 0.10);
  --sbm-text: #FFFFFF;
  --sbm-body: #ECE8DF;
  --sbm-muted: #C8C4BB;
  --sbm-gold: #C9A24C;
  --sbm-gold-deep: #A37630;
  --sbm-gold-bright: #E2C27A;
  --sbm-ink: #0D0D0D;
  --sbm-display: 'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
  --sbm-sans: 'Barlow', Arial, sans-serif;
  --sbm-measure: 70ch;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body{background:#0A0B0E;
  margin: 0;
  color: var(--sbm-body);
  font-family: var(--sbm-sans);
  font-size: 19px;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--sbm-gold-bright);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}
a:hover { color: #FFFFFF; }

:focus-visible {
  outline: 3px solid var(--sbm-gold-bright);
  outline-offset: 3px;
  border-radius: 2px;
}

.sbm-skip {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--sbm-gold);
  color: var(--sbm-ink);
  font-family: var(--sbm-display);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.sbm-skip:focus { top: 12px; }

.sbm-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Top bar ─────────────────────────────────────────────── */
.sbm-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 11, 14, 0.94);
  border-bottom: 1px solid var(--sbm-line);
  backdrop-filter: blur(6px);
}
.sbm-topbar__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.sbm-topbar__brand {
  font-family: var(--sbm-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sbm-gold);
  text-decoration: none;
}
.sbm-topbar__links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sbm-topbar__links a {
  font-family: var(--sbm-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sbm-muted);
  text-decoration: none;
}
.sbm-topbar__links a:hover { color: var(--sbm-text); }

/* ── Hero ────────────────────────────────────────────────── */
.sbm-hero {
  text-align: center;
  padding: 48px 20px 28px;
  border-bottom: 1px solid var(--sbm-line);
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(201, 162, 76, 0.10), transparent 70%),
    var(--sbm-bg);
}
.sbm-hero__helmet {
  width: auto;
  height: 210px;
  margin: 0 auto 22px;
}
.sbm-hero__brand,
.sbm-eyebrow {
  font-family: var(--sbm-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--sbm-gold);
  margin: 0 0 10px;
}
.sbm-hero h1 {
  font-family: var(--sbm-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--sbm-text);
  margin: 6px auto 14px;
  max-width: 18ch;
}
.sbm-hero__subtitle {
  font-family: var(--sbm-sans);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--sbm-gold-bright);
  margin: 0 auto 14px;
  max-width: 46ch;
}
.sbm-hero__keyline {
  font-family: var(--sbm-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  line-height: 1.25;
  color: var(--sbm-text);
  margin: 0 auto 18px;
  max-width: 34ch;
}
.sbm-hero__meta {
  font-family: var(--sbm-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sbm-muted);
  margin: 0 0 26px;
}
.sbm-hero h1,
.sbm-hero__subtitle,
.sbm-hero__keyline { text-wrap: balance; }
.sbm-hero .sbm-actions { margin-bottom: 30px; }
.sbm-hero__photo {
  max-width: 960px;
  margin: 0 auto;
  border: 1px solid var(--sbm-line);
  background: var(--sbm-charcoal);
}
.sbm-hero__photo img { width: 100%; height: auto; }

.sbm-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}
.sbm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  font-family: var(--sbm-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--sbm-gold);
  color: var(--sbm-text);
  background: transparent;
}
.sbm-btn:hover { background: rgba(201, 162, 76, 0.12); color: var(--sbm-text); }
.sbm-btn--primary { background: var(--sbm-gold); color: var(--sbm-ink); }
.sbm-btn--primary:hover { background: var(--sbm-gold-bright); color: var(--sbm-ink); }
.sbm-btn__meta {
  font-family: var(--sbm-sans);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: none;
  margin-left: 8px;
  opacity: 0.85;
}

/* ── Reading column ─────────────────────────────────────── */
.sbm-main {
  max-width: calc(var(--sbm-measure) + 40px);
  margin: 0 auto;
  padding: 8px 20px 64px;
  overflow-wrap: break-word;
}

.sbm-main p,
.sbm-main li { max-width: var(--sbm-measure); }

.sbm-main p { margin: 0 0 1em; }

.sbm-main ul,
.sbm-main ol { padding-left: 1.3em; margin: 0 0 1.1em; }
.sbm-main li { margin: 0 0 0.45em; }
.sbm-main li::marker { color: var(--sbm-gold); }

.sbm-main h2 {
  font-family: var(--sbm-display);
  font-weight: 800;
  font-size: clamp(2rem, 4.2vw, 2.7rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--sbm-text);
  margin: 0 0 18px;
}
.sbm-main h3 {
  font-family: var(--sbm-display);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--sbm-gold);
  margin: 2em 0 0.5em;
}
.sbm-main h4 {
  font-family: var(--sbm-display);
  font-weight: 700;
  font-size: 1.22rem;
  line-height: 1.25;
  letter-spacing: 0.03em;
  color: var(--sbm-text);
  margin: 1.6em 0 0.4em;
}

.sbm-section {
  padding: 56px 0 8px;
  border-top: 1px solid var(--sbm-line-soft);
}
.sbm-section:first-of-type { border-top: 0; }

.sbm-standfirst {
  font-family: var(--sbm-sans);
  font-style: italic;
  font-size: 1.14em;
  line-height: 1.55;
  color: var(--sbm-gold-bright);
  border-left: 3px solid var(--sbm-gold);
  padding: 2px 0 2px 18px;
  margin: 0 0 1.4em;
}
blockquote.sbm-standfirst { margin: 0 0 1.4em; }

.sbm-claim {
  display: inline-block;
  font-family: var(--sbm-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sbm-ink);
  background: var(--sbm-gold);
  padding: 3px 9px 2px;
  margin: 0 0 0.6em;
}

.sbm-panel {
  background: var(--sbm-panel);
  border: 1px solid var(--sbm-line);
  border-left: 4px solid var(--sbm-gold);
  padding: 22px 24px 8px;
  margin: 1.6em 0;
}
.sbm-panel > h2,
.sbm-panel > h3 { margin-top: 0; }
.sbm-panel--urgent { border-left-color: var(--sbm-gold-bright); }
.sbm-panel__label {
  font-family: var(--sbm-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sbm-gold);
  margin: 0 0 8px !important;
}
.sbm-panel strong { color: var(--sbm-text); }

.sbm-checkpoint {
  background: var(--sbm-charcoal);
  border: 1px solid var(--sbm-line);
  padding: 18px 22px 6px;
  margin: 2em 0 1.2em;
}
.sbm-checkpoint p { color: var(--sbm-text); }
.sbm-checkpoint .sbm-panel__label { color: var(--sbm-gold); }
.sbm-checkpoint h3 { margin-top: 0.3em; }

.sbm-callout-line {
  font-family: var(--sbm-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3.6vw, 2.2rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--sbm-text);
  border: 2px solid var(--sbm-gold);
  padding: 14px 18px;
  margin: 0 0 1em;
  text-align: center;
}

/* ── Contents ───────────────────────────────────────────── */
.sbm-toc { padding: 48px 0 16px; }
.sbm-toc ol { list-style: none; padding: 0; margin: 0 0 18px; }
.sbm-toc li { margin: 0; border-bottom: 1px solid var(--sbm-line-soft); max-width: none; }
.sbm-toc li a {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 10px 4px;
  color: var(--sbm-body);
  text-decoration: none;
}
.sbm-toc li a:hover { color: var(--sbm-text); background: rgba(201, 162, 76, 0.06); }
.sbm-toc__num {
  font-family: var(--sbm-display);
  font-weight: 700;
  color: var(--sbm-gold);
  min-width: 2.2ch;
}
.sbm-toc__part {
  font-family: var(--sbm-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sbm-gold);
  margin: 26px 0 6px;
}

/* ── Part dividers ──────────────────────────────────────── */
.sbm-part {
  margin: 64px 0 0;
  padding: 36px 24px;
  text-align: center;
  border-top: 1px solid var(--sbm-line);
  border-bottom: 1px solid var(--sbm-line);
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(201, 162, 76, 0.08), transparent 70%),
    var(--sbm-charcoal);
}
.sbm-part h2 { margin: 0; }
.sbm-part p { margin-left: auto; margin-right: auto; }

/* ── Tables ─────────────────────────────────────────────── */
.sbm-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 0.8em 0 1.6em;
  border: 1px solid var(--sbm-line);
  -webkit-overflow-scrolling: touch;
}
.sbm-table-wrap:focus-visible { outline-offset: 2px; }
.sbm-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9em;
  line-height: 1.5;
}
.sbm-table-wrap th,
.sbm-table-wrap td {
  text-align: left;
  vertical-align: top;
  padding: 10px 12px;
  border-bottom: 1px solid var(--sbm-line-soft);
}
.sbm-table-wrap th {
  font-family: var(--sbm-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sbm-ink);
  background: var(--sbm-gold);
}
.sbm-table-wrap td { color: var(--sbm-body); }
.sbm-table-wrap td:first-child { color: var(--sbm-text); }
.sbm-table--blank td { height: 44px; border-right: 1px solid var(--sbm-line-soft); }
.sbm-table--blank { min-width: 640px; }

/* ── Chapter navigation ─────────────────────────────────── */
.sbm-chapnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 18px;
  margin: 26px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--sbm-line-soft);
  font-family: var(--sbm-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.sbm-chapnav a { text-decoration: none; color: var(--sbm-muted); }
.sbm-chapnav a:hover { color: var(--sbm-gold-bright); }

/* ── Support block ──────────────────────────────────────── */
.sbm-support-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  border-top: 1px solid var(--sbm-line);
  padding-top: 22px;
  margin-top: 22px;
}
.sbm-support-grid img {
  width: 140px;
  height: 140px;
  background: #FFFFFF;
  padding: 6px;
}
.sbm-support-links {
  list-style: none;
  padding: 0 !important;
  display: grid;
  gap: 8px;
}

/* ── Footer ─────────────────────────────────────────────── */
.sbm-footer {
  border-top: 1px solid var(--sbm-line);
  padding: 36px 20px 48px;
  text-align: center;
  color: var(--sbm-muted);
  font-size: 15px;
}
.sbm-footer__motto {
  font-family: var(--sbm-display);
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--sbm-gold);
  margin: 0 0 12px;
}
.sbm-footer ul {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
}

/* ── Mobile ─────────────────────────────────────────────── */
@media (max-width: 700px) {
  body { font-size: 17.5px; line-height: 1.68; }
  html { scroll-padding-top: 96px; }
  .sbm-hero { padding-top: 32px; }
  .sbm-hero__helmet { height: 150px; margin-bottom: 16px; }
  .sbm-hero__brand, .sbm-eyebrow { font-size: 13px; letter-spacing: 0.22em; }
  .sbm-main h3 { font-size: 1.32rem; }
  .sbm-section { padding-top: 40px; }
  .sbm-panel { padding: 18px 16px 4px; }
  .sbm-actions { flex-direction: column; align-items: stretch; max-width: 420px; }
  .sbm-actions .sbm-btn { width: 100%; }
  .sbm-support-grid { grid-template-columns: 1fr; }
  .sbm-topbar__links { gap: 12px; }
  .sbm-topbar__links a, .sbm-topbar__brand { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  .sbm-topbar, .sbm-skip, .sbm-actions, .sbm-chapnav, .sbm-toc-back { display: none !important; }
  body { font-size: 11pt; }
  .sbm-section, .sbm-part { break-inside: auto; }
  .sbm-part { break-before: page; }
  a { text-decoration: none; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}