/* RubySDK proposals hub. Palette carried from the RubySDK family:
   ruby gradient #420F14 -> #C5545E, white page, near-black text. */

:root {
  --ruby-deep:  #420F14;
  --ruby:       #C5545E;
  --ruby-hover: #A23B45;
  --ink:        #1A1516;
  --paper:      #ffffff;
  --wash:       #FCF6F6;
  --line:       #ece2e3;
  --muted:      #6e6e73;
  --on-dark:    #fdf7f7;
  --on-dark-dim:#d8b9bd;

  --ruby-grad: linear-gradient(115deg, var(--ruby-deep) 0%, var(--ruby) 100%);
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --maxw: 800px;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(66,15,20,.04), 0 8px 28px rgba(66,15,20,.07);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.62;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-family: var(--sans); font-weight: 600; line-height: 1.22; color: var(--ink); letter-spacing: -0.01em; }
a { color: var(--ruby); }
p { margin: 0 0 16px; }
ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin: 0 0 8px; }
strong { font-weight: 600; }

/* ---------- Header ---------- */
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 0; }
.wordmark { display: inline-flex; align-items: center; text-decoration: none; }
.wordmark img { height: 32px; width: auto; display: block; }
.back-link {
  font-size: 14px; color: var(--muted); text-decoration: none;
  border: 1px solid var(--line); padding: 7px 14px; border-radius: 999px; white-space: nowrap;
  transition: border-color .15s ease, color .15s ease;
}
.back-link:hover { color: var(--ruby); border-color: var(--ruby); }

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(120% 100% at 100% 0%, var(--wash) 0%, var(--paper) 62%);
  padding: 56px 0 44px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 600;
  color: var(--ruby); margin: 0 0 14px;
}
.hero h1 { font-size: 40px; margin: 0 0 16px; }
.lede { font-size: 19px; color: var(--muted); margin: 0 0 24px; }

.meta {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  margin: 0 0 24px;
}
.meta div { background: var(--paper); padding: 14px 16px; }
.meta dt, .meta .k {
  display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--muted); margin: 0 0 5px; font-weight: 600;
}
.meta .v { font-size: 15px; line-height: 1.4; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn-outline {
  display: inline-block; font-size: 15px; font-weight: 600; text-decoration: none;
  color: var(--ruby); border: 1.5px solid var(--ruby); border-radius: 10px; padding: 10px 18px;
  transition: background .15s ease, color .15s ease;
}
.btn-outline:hover { background: var(--ruby); color: #fff; }
.actions .note { font-size: 13px; color: var(--muted); }

/* ---------- Contents ---------- */
.contents { padding: 36px 0 8px; }
.contents h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin: 0 0 14px; }
.contents ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.contents li { counter-increment: toc; margin: 0; border-top: 1px solid var(--line); }
.contents li:last-child { border-bottom: 1px solid var(--line); }
.contents a {
  display: grid; grid-template-columns: 34px 1fr; gap: 8px;
  padding: 11px 2px; text-decoration: none; color: var(--ink); font-size: 16px;
}
.contents a::before { content: counter(toc, decimal-leading-zero); color: var(--ruby); font-weight: 600; font-size: 13px; padding-top: 3px; }
.contents a:hover { color: var(--ruby); }

/* ---------- Sections ---------- */
.sec { padding: 34px 0 6px; border-top: 1px solid var(--line); margin-top: 30px; }
.sec:first-of-type { border-top: 0; margin-top: 0; }
.sec > .wrap > .eyebrow { margin-bottom: 10px; }
.sec h2 { font-size: 27px; margin: 0 0 18px; scroll-margin-top: 112px; }
.sec h3 { font-size: 19px; margin: 28px 0 12px; }
.sec h4 { font-size: 16px; margin: 22px 0 8px; }

/* ---------- Callouts ---------- */
.callout {
  background: var(--wash); border: 1px solid var(--line); border-left: 3px solid var(--ruby);
  border-radius: 10px; padding: 18px 20px; margin: 0 0 20px;
}
.callout > :last-child { margin-bottom: 0; }
.callout h4 { margin-top: 0; }
.note-line { font-size: 14px; color: var(--muted); border-left: 3px solid var(--line); padding: 6px 0 6px 14px; margin: 0 0 20px; }

.fee {
  background: var(--ruby-grad); color: var(--on-dark); border-radius: var(--radius);
  padding: 26px 24px; margin: 0 0 22px; box-shadow: var(--shadow);
}
.fee .amount { font-size: 40px; font-weight: 600; line-height: 1.05; margin: 0 0 8px; letter-spacing: -0.02em; }
.fee p { color: var(--on-dark-dim); margin: 0 0 8px; }
.fee p:last-child { margin-bottom: 0; }
.fee strong { color: var(--on-dark); }

/* ---------- Definition rows (label / value), stack on mobile ---------- */
.rows { border-top: 1px solid var(--line); margin: 0 0 22px; }
.row { display: grid; grid-template-columns: minmax(150px, 34%) 1fr; gap: 6px 24px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.row .k { font-weight: 600; font-size: 15px; }
.row .v { font-size: 16px; color: var(--ink); }
.row .v > :last-child { margin-bottom: 0; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 0 0 22px; }
.card { background: var(--wash); border: 1px solid var(--line); border-left: 3px solid var(--ruby); border-radius: 10px; padding: 16px 18px; }
.card h4 { margin: 0 0 8px; font-size: 16px; }
.card p { font-size: 15px; margin: 0 0 10px; }
.card p:last-child { margin-bottom: 0; }
.card .k { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 600; margin: 0 0 6px; }

/* ---------- Phase blocks (3-part, stack on mobile) ---------- */
.phase { border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin: 0 0 14px; }
.phase .when { font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--ruby); font-weight: 600; margin: 0 0 10px; }
.phase h4 { margin: 0 0 10px; }
.phase .split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.phase .split .k { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 600; margin: 0 0 6px; }
.phase .split p { font-size: 15px; margin: 0; }

/* ---------- Price table ---------- */
.price { border-top: 1px solid var(--line); margin: 0 0 22px; }
.price-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 20px; padding: 13px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.price-row .op { font-size: 16px; }
.price-row .amt { font-weight: 600; color: var(--ruby-deep); white-space: nowrap; }
.price-row .sub { grid-column: 1 / -1; font-size: 14px; color: var(--muted); }

/* ---------- Compare (two columns) ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0 0 22px; }
.compare > div { border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; }
.compare h4 { margin: 0 0 10px; font-size: 15px; text-transform: uppercase; letter-spacing: .08em; color: var(--ruby); }
.compare ul { margin: 0; padding-left: 20px; font-size: 15px; }

/* ---------- Index hub ---------- */
.hub { padding: 40px 0 8px; }
.doc-list { display: grid; gap: 16px; margin: 0 0 8px; }
.doc {
  display: block; text-decoration: none; color: inherit;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 24px 22px;
  background: var(--paper); box-shadow: var(--shadow);
  transition: border-color .15s ease, transform .15s ease;
}
.doc:hover { border-color: var(--ruby); transform: translateY(-2px); }
.doc .k { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: var(--ruby); font-weight: 600; display: block; margin: 0 0 10px; }
.doc h2 { font-size: 22px; margin: 0 0 10px; }
.doc p { color: var(--muted); font-size: 16px; margin: 0 0 14px; }
.doc .foot { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px 16px; }
.doc .go { color: var(--ruby); font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--on-dark-dim); padding: 40px 0; margin-top: 56px; }
.foot-mark { font-weight: 600; font-size: 18px; color: var(--on-dark); margin: 0 0 8px; }
.site-footer p { font-size: 14px; margin: 0 0 10px; }
.site-footer a { color: var(--on-dark); }
.foot-copy { font-size: 13px; color: rgba(216,185,189,.6); margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding: 36px 0 32px; }
  .hero h1 { font-size: 29px; }
  .lede { font-size: 17px; }
  .sec h2 { font-size: 23px; }
  .row { grid-template-columns: 1fr; gap: 4px; padding: 13px 0; }
  .phase .split { grid-template-columns: 1fr; gap: 14px; }
  .compare { grid-template-columns: 1fr; }
  .fee .amount { font-size: 33px; }
  .header-inner { padding: 12px 0; }
  .wordmark img { height: 26px; }
  .back-link { font-size: 13px; padding: 6px 11px; }
}

/* ---------- Data tables ---------- */
.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 0 8px; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 15px; }
table.tbl th, table.tbl td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
table.tbl th { background: var(--ruby-deep); color: var(--on-dark); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; line-height: 1.3; }
table.tbl td.n, table.tbl th.n { text-align: right; }
table.tbl td.n { white-space: nowrap; }
table.tbl tbody tr:nth-child(even) { background: var(--wash); }
table.tbl tr.total td { background: var(--wash); font-weight: 600; color: var(--ruby-deep); border-top: 2px solid var(--ruby); }
table.tbl td .tag { display: block; font-size: 12px; color: var(--muted); font-weight: 400; }
.tbl-note { font-size: 13px; color: var(--muted); margin: 0 0 22px; }

/* ---------- Formula block ---------- */
.formula {
  background: var(--ruby-grad); color: var(--on-dark); border-radius: var(--radius);
  padding: 18px 20px; margin: 0 0 16px; box-shadow: var(--shadow);
}
.formula .k { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--on-dark-dim); font-weight: 600; margin: 0 0 8px; }
.formula .expr { font-size: 17px; font-weight: 600; line-height: 1.45; }
.formula p { color: var(--on-dark-dim); font-size: 14px; margin: 10px 0 0; }

/* ---------- Steps ---------- */
ol.steps { list-style: none; margin: 0 0 22px; padding: 0; counter-reset: st; border-top: 1px solid var(--line); }
ol.steps li { counter-increment: st; margin: 0; padding: 11px 0 11px 38px; border-bottom: 1px solid var(--line); position: relative; font-size: 16px; }
ol.steps li::before { content: counter(st); position: absolute; left: 0; top: 11px; color: var(--ruby); font-weight: 600; font-size: 13px; }

@media (max-width: 640px) {
  table.tbl { font-size: 14px; }
  table.tbl th, table.tbl td { padding: 8px 10px; }
  .formula .expr { font-size: 15px; }
}

/* Wide numeric table: allowed to exceed the prose column on large screens */
@media (min-width: 881px) {
  .tbl-scroll.bleed { width: min(1120px, calc(100vw - 48px)); margin-left: max(-184px, calc((800px - 100vw) / 2)); }
}