/* ============================================================
   Webrivio — guide layer
   Long-form editorial reading for the guide pages.
   Loads AFTER styles.css and enhance.css. Brand tokens only.
   ============================================================ */

/* atmosphere orb placement for guide pages (matches the styles.css pattern) */
body[data-page="guide"] { --atm-orb1-x: 14%; --atm-orb1-y: 14%; --atm-orb2-x: 86%; --atm-orb2-y: 66%; }

/* ---------- Layout: sticky contents rail + a single reading column ---------- */
.guide-wrap {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
}

.guide-toc {
  position: sticky;
  top: 130px;
  border-left: 1px solid var(--border);
  padding-left: 20px;
}
.guide-toc h2 {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--mute);
  margin-bottom: 18px;
}
.guide-toc ol {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  counter-reset: toc;
}
.guide-toc li { counter-increment: toc; }
.guide-toc a {
  display: block;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.35;
  color: var(--mute);
  transition: color .2s var(--ease);
}
.guide-toc a::before {
  content: '0' counter(toc);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mute);
  margin-right: 10px;
}
.guide-toc a:hover { color: var(--ink); }
.guide-toc a:hover::before { color: var(--accent-glow); }

/* ---------- Prose ---------- */
/* min-width:0 lets the grid column shrink below the table's min-width, so the
   table scrolls inside .table-scroll instead of widening the whole page. */
.guide-prose { max-width: 72ch; min-width: 0; }

.guide-prose > section { scroll-margin-top: 110px; }
.guide-prose > section + section { margin-top: clamp(56px, 7vw, 88px); }

.guide-prose h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 3.4vw, 46px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.guide-prose h2 .it { font-style: italic; color: var(--accent-glow); }

.guide-prose h3 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 32px 0 8px;
}

.guide-prose p {
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.68;
  margin-bottom: 18px;
}
.guide-prose p strong { color: var(--ink); font-weight: 500; }
.guide-prose p a,
.guide-prose li a {
  color: var(--ink);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 1px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.guide-prose p a:hover,
.guide-prose li a:hover { color: var(--accent-glow); border-color: var(--accent-glow); }

.guide-prose ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0 0 22px;
}
.guide-prose ul li {
  position: relative;
  padding-left: 24px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.6;
}
.guide-prose ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--accent-glow);
}

/* ---------- The answer, up front ---------- */
.answer-card {
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: clamp(26px, 3.4vw, 40px);
  margin-bottom: clamp(40px, 5vw, 64px);
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(30,63,153,0.30), transparent 62%),
    linear-gradient(180deg, var(--surface) 0%, var(--bg-soft) 100%);
  position: relative;
  overflow: hidden;
}
.answer-card .a-label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-glow);
  display: block;
  margin-bottom: 16px;
}
.answer-card p {
  font-family: var(--serif);
  font-size: clamp(22px, 2.5vw, 31px);
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0;
}
.answer-card p + p {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: -0.005em;
  color: var(--ink-soft);
  margin-top: 18px;
}
.answer-card em { font-style: italic; color: var(--accent-glow); }

/* ---------- Cost table ---------- */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin-bottom: 16px;
  background: var(--bg-soft);
}
.cost-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  text-align: left;
}
.cost-table caption {
  caption-side: top;
  text-align: left;
  padding: 18px 22px 0;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--mute);
}
.cost-table th,
.cost-table td {
  padding: 18px 22px;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}
.cost-table thead th {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--mute);
  white-space: nowrap;
}
.cost-table tbody th {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 400;
  color: var(--ink);
  white-space: nowrap;
}
.cost-table td {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.cost-table .price {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
  white-space: nowrap;
}
.cost-table tbody tr:last-child th,
.cost-table tbody tr:last-child td { border-bottom: none; }
.cost-table tbody tr.us { background: linear-gradient(90deg, rgba(77,126,255,0.12), rgba(77,126,255,0.03)); }
.cost-table tbody tr.us th { color: var(--accent-glow); font-style: italic; }
.cost-table tbody tr.us .price { color: var(--cyan); }

.table-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mute);
  max-width: 62ch;
  margin-bottom: 28px;
}

/* the table scrolls inside its own box on narrow screens — say so */
.scroll-hint {
  display: none;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--mute);
  margin-bottom: 20px;
}
@media (max-width: 760px) {
  .scroll-hint { display: block; }
}

/* ---------- Price-driver rows ---------- */
.drivers {
  border-top: 1px solid var(--border);
  margin-top: 8px;
}
.driver {
  display: grid;
  grid-template-columns: 1fr 168px;
  gap: 20px 32px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.driver h3 { margin: 0 0 6px; }
.driver p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--mute); }
.driver .impact {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-glow);
  text-align: right;
  white-space: nowrap;
}

/* ---------- FAQ inside the prose column ----------
   The questions are real <h3>s for document structure, but they must keep the
   shared .faq-list summary look (serif italic), not the prose h3 look. */
.guide-prose .faq-list summary h3 {
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
  margin: 0;
  display: inline;
}
.guide-prose .faq-list { margin-top: 8px; }

/* ---------- Aside / honest note ---------- */
.guide-aside {
  border-left: 2px solid var(--accent);
  padding: 6px 0 6px 24px;
  margin: 32px 0;
}
.guide-aside p {
  font-family: var(--serif);
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.4;
  color: var(--ink);
  margin: 0;
}
.guide-aside p em { font-style: italic; color: var(--accent-glow); }
.guide-aside cite {
  display: block;
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--mute);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  /* minmax(0,1fr), not 1fr — a bare 1fr refuses to shrink below the table's
     min-width and would push the whole column off screen */
  .guide-wrap { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .guide-toc {
    position: static;
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 24px;
  }
  .guide-toc ol { flex-direction: row; flex-wrap: wrap; gap: 8px 24px; }
  .guide-prose { max-width: none; }
}
@media (max-width: 640px) {
  .driver { grid-template-columns: 1fr; gap: 8px; }
  .driver .impact { text-align: left; }
  .guide-prose p { font-size: 16px; }
}