/* ============================================================
   Build to Last — The Manual (reading experience)
   Bespoke components layered on colors_and_type.css + modern.css.
   Reuses the article reading column; adds the email gate,
   part dividers, the judgement equation, callouts, value matrix.
   ============================================================ */

/* ---------- DOCUMENT HERO ---------- */
.hero-doc{ padding-block: clamp(72px, 11vw, 132px); }
.hero-doc .hero-grid{
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: clamp(40px, 6vw, 88px);
}
.hero-doc h1{
  font-size: clamp(58px, 8.5vw, 118px);
  line-height: .9;
  margin: 0 0 20px;
  text-transform: none;
  letter-spacing: -0.02em;
}
.hero-doc .deck{
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(19px, 2vw, 25px);
  line-height: 1.32;
  color: rgba(237,235,228,.9);
  max-width: 520px;
  margin: 0 0 26px;
}
.hero-doc .byline{
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(237,235,228,.74);
  margin-bottom: 28px;
}
.hero-doc .byline .av{
  width: 42px; height: 42px; border-radius: 999px;
  background-size: cover; background-position: center top;
  border: 1px solid rgba(170,143,87,.5);
  flex: none;
}
.hero-doc .byline b{ color: var(--color-sand-warm); font-weight: 600; }
.hero-doc .meta{
  display: flex; gap: 30px; flex-wrap: wrap;
  font-family: var(--font-body);
  font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: rgba(237,235,228,.55); font-weight: 600;
  border-top: 1px solid rgba(170,143,87,.3);
  padding-top: 22px;
}
.hero-doc .meta b{ color: var(--color-gold-antique); margin-right: 7px; font-weight: 700; }

/* Cover plate on the right (book object) */
.cover-plate{
  position: relative;
  width: 100%; max-width: 340px;
  aspect-ratio: 3/4;
  margin-left: auto;
  background: var(--color-sand-warm);
  color: var(--color-ink);
  border: 1px solid var(--color-gold-antique);
  padding: 34px 30px;
  display: flex; flex-direction: column; justify-content: space-between;
  transform: rotate(-2deg);
  box-shadow: 8px 10px 0 0 rgba(170,143,87,.4), 18px 22px 0 0 rgba(0,0,0,.32), 0 0 24px rgba(170,143,87,.25);
  overflow: hidden;
}
.cover-plate::after{
  content:""; position:absolute; left:11px; top:22px; bottom:22px; width:1px;
  background: rgba(170,143,87,.45);
}
.cover-plate .cov-wm{
  position:absolute; right:-30px; bottom:-26px; width:84%; opacity:.32; pointer-events:none;
}
.cover-plate .cov-eb{
  position:relative; z-index:1;
  font-family: var(--font-body); font-size: 10px; letter-spacing: .26em;
  text-transform: uppercase; color: var(--color-gold-antique); font-weight: 700;
}
.cover-plate hr{
  position:relative; z-index:1; border:0; height:1px; width:54px;
  background: var(--color-gold-antique); margin: 13px 0 22px;
}
.cover-plate .cov-title{
  position:relative; z-index:1;
  font-family: var(--font-display); font-weight: 300;
  font-size: 56px; line-height: .9; letter-spacing: -0.02em; color: var(--color-ink);
}
.cover-plate .cov-sub{
  position:relative; z-index:1;
  font-family: var(--font-display); font-style: italic; font-size: 16px;
  line-height: 1.3; color: var(--fg-2); max-width: 210px; margin: 14px 0 0;
}
.cover-plate .cov-foot{
  position:relative; z-index:1;
  font-family: var(--font-body); font-size: 10px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--fg-muted); font-weight: 600;
}

/* ---------- READING COLUMN (extends .article-body / .prose) ---------- */
.manual-body{
  display: grid;
  grid-template-columns: 248px 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}
.manual-body aside{
  position: sticky; top: 92px; align-self: start;
  max-height: calc(100vh - 120px); overflow-y: auto;
  padding-right: 6px;
}
.toc-eb{
  font-family: var(--font-body); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--color-gold-antique); font-weight: 700;
  margin-bottom: 14px;
}
.toc-parts{ list-style: none; margin: 0; padding: 0; }
.toc-part{
  font-family: var(--font-body); font-size: 10px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--fg-muted); font-weight: 700;
  margin: 22px 0 8px;
}
.toc-part:first-child{ margin-top: 0; }
.toc-link{
  display: flex; gap: 9px; align-items: baseline;
  padding: 6px 0 6px 13px;
  border-left: 1px solid var(--rule-soft);
  font-family: var(--font-body); font-size: 13.5px; line-height: 1.35;
  color: var(--fg-2); text-decoration: none;
  transition: border-color .2s, color .2s, padding-left .2s;
}
.toc-link .n{ color: var(--color-gold-antique); font-weight: 700; font-size: 12px; flex: none; min-width: 16px; }
.toc-link:hover{ border-left-color: var(--color-gold-antique); color: var(--color-ink); padding-left: 16px; }
.toc-link.active{
  border-left-color: var(--color-gold-antique); border-left-width: 2px;
  color: var(--color-ink); font-weight: 600; padding-left: 12px;
}

/* progress note above TOC */
.toc-progress{
  margin-top: 26px; padding-top: 18px;
  border-top: 1px solid rgba(170,143,87,.3);
  font-family: var(--font-body); font-size: 11px; color: var(--fg-muted);
  letter-spacing: .04em;
}
.toc-progress a{ color: var(--color-moss-light); font-weight: 600; }

/* ---------- PROSE EXTENSIONS ---------- */
.manual .prose{ max-width: 760px; }
.manual .prose .lead{
  font-family: var(--font-display); font-weight: 300;
  font-size: clamp(22px, 2.4vw, 28px); line-height: 1.4;
  color: var(--color-ink); letter-spacing: -0.01em; margin: 0 0 26px;
}
.manual .prose p{
  font-family: var(--font-body); font-size: 17.5px; line-height: 1.72;
  color: var(--fg); margin: 0 0 22px;
}
.manual .prose p em{ font-style: italic; color: var(--color-ink); font-weight: 500; }
.manual .prose h5.sec{
  font-family: var(--font-display); font-weight: 300;
  font-size: clamp(28px, 3.4vw, 38px); line-height: 1.04;
  letter-spacing: -0.015em; text-transform: none;
  color: var(--color-ink);
  margin: 8px 0 18px;
  scroll-margin-top: 92px;
  display: flex; gap: 16px; align-items: baseline;
}
.manual .prose h5.sec .secnum{
  font-family: var(--font-display); font-weight: 300; font-style: italic;
  font-size: .62em; color: var(--color-gold-antique); flex: none;
}
.manual .prose h5.sec em{ font-style: italic; color: var(--color-ink); }

/* lists with gold markers + bold lead-ins */
.manual .prose ul{
  list-style: none; margin: 0 0 24px; padding: 0;
  border-top: 1px solid rgba(170,143,87,.32);
}
.manual .prose ul li{
  position: relative;
  padding: 13px 0 13px 30px;
  border-bottom: 1px solid rgba(170,143,87,.18);
  font-family: var(--font-body); font-size: 16.5px; line-height: 1.62; color: var(--fg);
}
.manual .prose ul li::before{
  content: "→"; position: absolute; left: 0; top: 13px;
  color: var(--color-gold-antique); font-weight: 700;
}
.manual .prose ul li strong{
  color: var(--color-ink); font-weight: 700;
}
.manual .prose ul.plain{ border-top: 0; }
.manual .prose ul.plain li{ border-bottom: 0; padding: 5px 0 5px 30px; }

/* sub-label for grouped lists, e.g. "Build three story banks:" */
.manual .prose .list-label{
  font-family: var(--font-body); font-size: 13px; font-weight: 700;
  letter-spacing: .04em; color: var(--fg-2); margin: 0 0 8px;
}

/* ---------- PART DIVIDER ---------- */
.part-head{
  margin: 64px 0 40px;
  padding-top: 30px;
  border-top: 2px solid var(--color-gold-antique);
  scroll-margin-top: 92px;
}
.part-head:first-of-type{ margin-top: 30px; }
.part-head .pk{
  font-family: var(--font-body); font-size: 12px; letter-spacing: .26em;
  text-transform: uppercase; color: var(--color-gold-antique); font-weight: 700;
}
.part-head .pt{
  font-family: var(--font-display); font-weight: 300; font-style: normal;
  font-size: clamp(34px, 4.6vw, 52px); line-height: 1.02; letter-spacing: -0.02em;
  text-transform: none; color: var(--color-ink); margin: 10px 0 0;
}

/* ---------- JUDGEMENT EQUATION ---------- */
.equation{
  margin: 30px 0 28px;
  padding: 38px 36px;
  background: var(--color-moss-dark);
  color: var(--color-sand-warm);
  border: 1px solid rgba(170,143,87,.4);
  text-align: center;
}
.equation .eq-eb{
  font-family: var(--font-body); font-size: 11px; letter-spacing: .24em;
  text-transform: uppercase; color: var(--color-gold-antique); font-weight: 700;
  margin-bottom: 16px;
}
.equation .eq-line{
  font-family: var(--font-display); font-weight: 300;
  font-size: clamp(24px, 3.4vw, 38px); line-height: 1.15; letter-spacing: -0.01em;
  color: var(--color-sand-warm);
}
.equation .eq-line .plus{ color: var(--color-gold-antique); font-style: italic; margin: 0 .15em; }
.equation .eq-line .term{ white-space: nowrap; }

/* ---------- BLOCK CALLOUTS ---------- */
.callout{
  margin: 28px 0;
  padding: 26px 30px;
  background: #fff;
  border: 1px solid rgba(170,143,87,.4);
  border-left: 3px solid var(--color-gold-antique);
}
.callout .co-eb{
  font-family: var(--font-body); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--color-gold-antique); font-weight: 700;
  margin-bottom: 12px;
}
.callout p{ margin: 0 0 12px; font-size: 16px !important; line-height: 1.6 !important; }
.callout p:last-child{ margin-bottom: 0; }
.callout.howto p{ color: var(--fg-2); }
.callout.howto a{ color: var(--color-moss-light); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--color-gold-antique); }

/* crisis variant — oxblood, heavier */
.callout.crisis{
  background: #FBF6F2;
  border-color: rgba(107,45,45,.4);
  border-left-color: var(--color-oxblood);
}
.callout.crisis .co-eb{ color: var(--color-oxblood); }
.callout.crisis strong{ color: var(--color-oxblood); }
.callout.crisis a{ color: var(--color-oxblood); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }

/* ---------- VALUE MATRIX ---------- */
.matrix{
  display: grid; grid-template-columns: 1fr 1fr; gap: 1px;
  background: rgba(170,143,87,.4);
  border: 1px solid rgba(170,143,87,.4);
  margin: 26px 0 28px;
}
.matrix .cell{ background: #fff; padding: 22px 22px; }
.matrix .cell.win{ background: var(--color-moss-light); color: var(--color-sand-warm); }
.matrix .cell.risk{ background: #FBF6F2; }
.matrix .cell h6{
  font-family: var(--font-body); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; font-weight: 700; color: var(--color-gold-antique);
  margin: 0 0 8px;
}
.matrix .cell.win h6{ color: var(--color-gold-antique); }
.matrix .cell p{ margin: 0 !important; font-size: 15px !important; line-height: 1.55 !important; color: inherit !important; }
.matrix .cell.win p{ color: rgba(237,235,228,.85) !important; }

/* ---------- PULL QUOTE (reuse article look) ---------- */
.manual .prose .pull{
  font-family: var(--font-display); font-weight: 300; font-style: italic;
  font-size: clamp(24px, 2.8vw, 31px); line-height: 1.28; letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: 34px 0; padding: 4px 0 4px 28px;
  border-left: 2px solid var(--color-gold-antique);
}
.manual .prose .pull b{ color: var(--color-moss-light); font-weight: 400; font-style: normal; }

.manual .prose .end-mark{ text-align: center; color: var(--color-gold-antique); font-size: 22px; margin: 52px 0 0; }
.manual .prose .closer{
  font-family: var(--font-display); font-weight: 300; font-size: clamp(20px, 2.2vw, 25px);
  line-height: 1.4; color: var(--color-ink); letter-spacing: -0.005em;
}

/* section spacer / divider between sections */
.sec-rule{ border:0; height:1px; background: rgba(170,143,87,.28); margin: 40px 0; }

/* ---------- AUTHOR FOOTER (ported from article.html) ---------- */
.author-foot{ display: grid; grid-template-columns: 1fr 1.6fr; gap: 40px; align-items: center; }
.author-foot .who{ display: flex; align-items: center; gap: 20px; }
.author-foot .portrait{
  width: 120px; height: 120px; border-radius: 8px;
  background-size: cover; background-position: center top;
  border: 1px solid rgba(170,143,87,.4); flex: none;
}
.author-foot .eb{
  font-family: var(--font-body); font-size: 11px; letter-spacing: .22em;
  text-transform: uppercase; font-weight: 700; color: var(--color-gold-antique); margin-bottom: 6px;
}
.author-foot h3{
  font-family: var(--font-display); font-weight: 300; text-transform: none;
  letter-spacing: -0.01em; font-size: 32px; line-height: 1; color: var(--color-ink); margin: 0 0 4px;
}
.author-foot .role{
  font-family: var(--font-body); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; font-weight: 700; color: var(--color-gold-antique);
}
.author-foot p{ font-size: 16px; line-height: 1.6; color: var(--fg-2); margin: 0 0 14px; }
.author-foot .more{
  font-family: var(--font-body); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; font-weight: 700; color: var(--color-moss-light);
  text-decoration: none; border-bottom: 1px solid var(--color-gold-antique);
  padding-bottom: 2px; display: inline-flex; align-items: center; gap: 8px;
}
.author-foot .more::after{ content: "→"; transition: transform .2s; }
.author-foot .more:hover::after{ transform: translateX(4px); }
@media (max-width: 960px){
  .author-foot{ grid-template-columns: 1fr; gap: 24px; }
  .author-foot .who{ flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   EMAIL GATE
   ============================================================ */
body.gated{ overflow: hidden; }
.gate{
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center;
  padding: 24px;
  background: rgba(41,53,46,.78);
  backdrop-filter: blur(6px) saturate(110%);
  -webkit-backdrop-filter: blur(6px) saturate(110%);
}
body.unlocked .gate{ display: none; }
.gate-card{
  width: min(880px, 100%);
  display: grid; grid-template-columns: 1fr 1fr;
  background: var(--color-sand-warm);
  border: 1px solid var(--color-gold-antique);
  box-shadow: 0 40px 90px rgba(0,0,0,.5);
  max-height: calc(100vh - 48px);
  overflow: hidden;
}
.gate-art{
  position: relative;
  background: var(--color-moss-dark);
  color: var(--color-sand-warm);
  padding: 40px 36px;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
}
.gate-art .ga-wm{
  position: absolute; right: -40px; bottom: -36px; width: 78%; opacity: .22; pointer-events: none;
}
.gate-art .ga-eb{
  font-family: var(--font-body); font-size: 11px; letter-spacing: .24em;
  text-transform: uppercase; color: var(--color-gold-antique); font-weight: 700;
}
.gate-art .ga-title{
  position: relative; z-index: 1;
  font-family: var(--font-display); font-weight: 300; font-size: 46px; line-height: .94;
  letter-spacing: -0.02em; color: var(--color-sand-warm); margin: 16px 0 0;
}
.gate-art .ga-sub{
  position: relative; z-index: 1;
  font-family: var(--font-display); font-style: italic; font-size: 17px; line-height: 1.35;
  color: rgba(237,235,228,.82); margin: 14px 0 0; max-width: 280px;
}
.gate-art .ga-meta{
  position: relative; z-index: 1;
  display: flex; gap: 22px; flex-wrap: wrap;
  font-family: var(--font-body); font-size: 10px; letter-spacing: .18em;
  text-transform: uppercase; color: rgba(237,235,228,.6); font-weight: 600;
}
.gate-art .ga-meta b{ color: var(--color-gold-antique); margin-right: 6px; font-weight: 700; }

.gate-form{ padding: 40px 36px; overflow-y: auto; }
.gate-form .gf-eb{
  font-family: var(--font-body); font-size: 11px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--color-gold-antique); font-weight: 700; margin-bottom: 8px;
}
.gate-form h2{
  font-family: var(--font-display); font-weight: 300; text-transform: none;
  letter-spacing: -0.015em; font-size: 30px; line-height: 1.04; color: var(--color-ink); margin: 0 0 8px;
}
.gate-form .gf-help{ font-family: var(--font-body); font-size: 13.5px; color: var(--fg-2); line-height: 1.55; margin: 0 0 22px; }
.gate-form .field{ margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid rgba(170,143,87,.4); }
.gate-form .field label{
  display: block; font-family: var(--font-body); font-size: 10px; letter-spacing: .22em;
  text-transform: uppercase; font-weight: 700; color: var(--color-gold-antique); margin-bottom: 6px;
}
.gate-form .field input, .gate-form .field select{
  width: 100%; background: transparent; border: 0; outline: none;
  font-family: var(--font-body); font-size: 16px; color: var(--color-ink); padding: 6px 0;
}
.gate-form .field input::placeholder{ color: var(--fg-muted); font-style: italic; }
.gate-form .field select{ appearance: none; color: var(--fg-muted); font-style: italic; }
.gate-form .field.invalid{ border-bottom-color: var(--color-oxblood); }
.gate-form .field.invalid label{ color: var(--color-oxblood); }
.gate-form button{
  width: 100%; background: var(--color-moss-dark); color: var(--color-sand-warm);
  border: 0; padding: 16px; margin-top: 6px; font-family: var(--font-body);
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  cursor: pointer; transition: background .2s, transform .2s;
}
.gate-form button:hover{ background: #1B231D; transform: translateY(-1px); }
.gate-form .gf-micro{
  margin: 14px 0 0; font-family: var(--font-body); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--fg-muted); text-align: center;
}

/* ---------- MOBILE CONTENTS MENU (off-canvas) ---------- */
.toc-fab{ display: none; }
.toc-backdrop{ display: none; }
.toc-close{ display: none; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 960px){
  .hero-doc .hero-grid{ grid-template-columns: 1fr; gap: 48px; }
  .cover-plate{ margin: 0 auto; }
  .manual-body{ grid-template-columns: 1fr; }
  .gate-card{ grid-template-columns: 1fr; }
  .gate-art{ display: none; }
  .matrix{ grid-template-columns: 1fr; }

  /* floating "Contents" trigger */
  .toc-fab{
    display: inline-flex; align-items: center; gap: 9px;
    position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%);
    z-index: 140;
    background: var(--color-moss-dark); color: var(--color-sand-warm);
    border: 1px solid rgba(170,143,87,.55);
    font-family: var(--font-body); font-size: 11.5px; font-weight: 700;
    letter-spacing: .16em; text-transform: uppercase;
    padding: 13px 22px; border-radius: 999px;
    box-shadow: 0 12px 30px rgba(0,0,0,.4); cursor: pointer;
    transition: transform .25s var(--ease), opacity .25s var(--ease);
  }
  .toc-fab svg{ width: 15px; height: 15px; stroke: var(--color-gold-antique); }
  body.toc-open .toc-fab{ opacity: 0; pointer-events: none; transform: translateX(-50%) translateY(20px); }

  /* backdrop */
  .toc-backdrop{
    display: block; position: fixed; inset: 0; z-index: 145;
    background: rgba(41,53,46,.55); opacity: 0; pointer-events: none;
    transition: opacity .3s ease;
  }
  body.toc-open .toc-backdrop{ opacity: 1; pointer-events: auto; }

  /* aside becomes a bottom sheet */
  .manual-body aside{
    position: fixed; left: 0; right: 0; bottom: 0; top: auto;
    z-index: 150; max-height: 78vh; overflow-y: auto;
    background: var(--color-sand-warm);
    border-top: 2px solid var(--color-gold-antique);
    border-radius: 16px 16px 0 0;
    padding: 24px 24px calc(28px + env(safe-area-inset-bottom));
    transform: translateY(102%);
    transition: transform .36s var(--ease);
    box-shadow: 0 -22px 60px rgba(0,0,0,.32);
  }
  body.toc-open .manual-body aside{ transform: translateY(0); }
  .manual-body aside::before{
    content: ""; position: sticky; top: -2px; display: block;
    width: 44px; height: 4px; margin: -6px auto 16px;
    background: rgba(170,143,87,.55); border-radius: 999px;
  }
  .toc-parts{ display: block; }
  .toc-progress{ margin-top: 22px; }

  .toc-close{
    display: inline-flex; align-items: center; justify-content: center;
    position: absolute; top: 18px; right: 18px;
    width: 34px; height: 34px; border-radius: 999px;
    background: transparent; border: 1px solid rgba(170,143,87,.4);
    color: var(--color-ink); cursor: pointer;
  }
  .toc-close svg{ width: 15px; height: 15px; }
}
@media (max-width: 560px){
  .equation{ padding: 28px 20px; }
  .callout{ padding: 22px 20px; }
}