/* Austin Ritz: layout-fluid blue and steel paper, carried over from the first draft.
   Board states borrow drafting conventions: solid = works, section hatch = a mess, hidden-line dashes = missing. */
:root {
  --paper: #F3F5F7;
  --paper-2: #E7EBEF;
  --card: #FBFCFD;
  --ink: #121B25;
  --steel: #4C5866;
  --rule: #C6CED7;
  --rule-strong: #8C98A6;
  --accent: #1F44A3;
  --accent-ink: #FFFFFF;
  --accent-hover: #183886;
  --panel: #1F44A3;
  --panel-2: #2A50B4;
  --panel-ink: #F3F6FB;
  --panel-soft: #C9D5F0;
  --scribe: #E3EAF5;
  --ok: #1E6B45;
  --warn-bg: #FFF4D6;
  --warn-ink: #6B4E00;
  --err: #A3261F;

  --font: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --wide: 125%;
  --narrow: 87.5%;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-body: 1.0625rem;
  --fs-lead: clamp(1.1875rem, 1.05rem + 0.5vw, 1.375rem);
  --fs-h3: 1.125rem;
  --fs-h2: clamp(1.625rem, 1.25rem + 1.3vw, 2.375rem);
  --fs-hero: clamp(2.5rem, 1.2rem + 5vw, 5.25rem);
  --max: 1180px;
  --radius: 3px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0D131A; --paper-2: #131B24; --card: #18212B; --ink: #E3E8EE; --steel: #9AA6B3;
    --rule: #263241; --rule-strong: #4A5868; --accent: #93ABFF; --accent-ink: #0D1A3D; --accent-hover: #B3C4FF;
    --panel: #183585; --panel-2: #21409A; --panel-ink: #EEF2F9; --panel-soft: #BCCAEB; --scribe: #D5DFF2;
    --ok: #6FD39E; --warn-bg: #3A2F12; --warn-ink: #F5D88A; --err: #FF8A80;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0D131A; --paper-2: #131B24; --card: #18212B; --ink: #E3E8EE; --steel: #9AA6B3;
  --rule: #263241; --rule-strong: #4A5868; --accent: #93ABFF; --accent-ink: #0D1A3D; --accent-hover: #B3C4FF;
  --panel: #183585; --panel-2: #21409A; --panel-ink: #EEF2F9; --panel-soft: #BCCAEB; --scribe: #D5DFF2;
  --ok: #6FD39E; --warn-bg: #3A2F12; --warn-ink: #F5D88A; --err: #FF8A80;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: var(--max); margin-inline: auto; padding-inline: 16px; }
@media (min-width: 720px) { .wrap { padding-inline: 32px; } }

/* ---------- Top bar ---------- */
.top { background: var(--panel); color: var(--panel-ink); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { font-weight: 800; font-stretch: var(--wide); font-size: 1.0625rem; letter-spacing: -0.005em; text-decoration: none; }
.top nav { display: flex; align-items: center; gap: 6px 22px; flex-wrap: wrap; justify-content: flex-end; }
.top nav a { text-decoration: none; font-size: var(--fs-sm); font-weight: 550; color: var(--panel-soft); }
.top nav a:hover { color: var(--panel-ink); }
.top nav .navlink { display: none; }
@media (min-width: 860px) { .top nav .navlink { display: inline; } }
.top :focus-visible { outline-color: var(--scribe); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: var(--radius); border: 1px solid transparent;
  font-size: 1rem; font-weight: 650; font-stretch: 105%; line-height: 1.2; text-decoration: none; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease;
}
.btn-solid { background: var(--accent); color: var(--accent-ink); }
.btn-solid:hover { background: var(--accent-hover); }
.btn-light { background: var(--panel-ink); color: var(--panel); }
.btn-light:hover { background: #FFFFFF; }
.btn-line { background: transparent; border-color: var(--rule-strong); color: var(--ink); }
.btn-line:hover { border-color: var(--ink); }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: var(--fs-sm); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.top .btn-sm { background: var(--panel-ink); color: var(--panel); }

/* ---------- Hero with the board ---------- */
.hero { position: relative; background: var(--panel); color: var(--panel-ink); overflow: hidden; }
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 14px; opacity: .5; pointer-events: none;
  background:
    repeating-linear-gradient(90deg, var(--scribe) 0 1px, transparent 1px 40px) left bottom / 100% 14px no-repeat,
    repeating-linear-gradient(90deg, var(--scribe) 0 1px, transparent 1px 8px) left bottom / 100% 7px no-repeat;
}
.hero .wrap {
  display: grid; gap: 36px 56px; grid-template-columns: minmax(0, 1fr);
  padding-block: clamp(36px, 2rem + 4vw, 96px) clamp(56px, 3rem + 4vw, 112px);
}
@media (min-width: 1000px) { .hero .wrap { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; } }
.hero-copy { display: grid; gap: 20px; align-content: start; max-width: 34rem; }
.hero h1 { font-size: var(--fs-hero); font-stretch: var(--wide); font-weight: 820; line-height: .98; letter-spacing: -0.015em; text-wrap: balance; }
.hero .sub { font-size: var(--fs-lead); line-height: 1.45; font-weight: 500; max-width: 30ch; }
.hero .fine { font-size: var(--fs-sm); color: var(--panel-soft); max-width: 40ch; }

.board-wrap { display: grid; gap: 16px; min-width: 0; }
.board-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; }
.board-head p { font-size: var(--fs-sm); color: var(--panel-soft); }
.board-head strong { color: var(--panel-ink); font-weight: 650; }
.board { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
@media (min-width: 560px) { .board { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .board { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.tile {
  position: relative; display: grid; align-content: space-between; gap: 18px; min-height: 92px;
  padding: 12px 12px 10px; text-align: left; cursor: pointer;
  border-radius: var(--radius); border: 1px solid rgba(227, 234, 245, .45);
  background: var(--panel-2); color: var(--panel-ink);
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.tile:hover { border-color: var(--scribe); }
.tile .t-name { font-weight: 650; font-size: 1rem; line-height: 1.2; }
.tile .t-state { font-size: var(--fs-xs); font-stretch: var(--narrow); font-weight: 600; color: var(--panel-soft); }
.tile[data-s="works"] { background: var(--panel-ink); color: var(--panel); border-color: var(--panel-ink); }
.tile[data-s="works"] .t-state { color: var(--panel); }
.tile[data-s="messy"] {
  border-color: var(--scribe);
  background: repeating-linear-gradient(135deg, rgba(227, 234, 245, .28) 0 2px, transparent 2px 9px), var(--panel-2);
}
.tile[data-s="messy"] .t-state { color: var(--panel-ink); }
.tile[data-s="missing"] { background: transparent; border: 1.5px dashed var(--scribe); }
.tile[data-s="missing"] .t-state { color: var(--panel-ink); }
@media (prefers-reduced-motion: no-preference) {
  .tile.pop { animation: pop .18s ease-out; }
  @keyframes pop { 50% { transform: scale(.97); } }
  .board.intro .tile { animation: draw .5s ease-out backwards; animation-delay: calc(var(--i) * 45ms + 150ms); }
  @keyframes draw { from { border-color: transparent; background-color: transparent; color: transparent; } }
}

.legend { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: var(--fs-xs); color: var(--panel-soft); }
.legend span { display: inline-flex; align-items: center; gap: 8px; }
.sw { width: 22px; height: 14px; border-radius: 2px; display: inline-block; }
.sw-works { background: var(--panel-ink); }
.sw-messy { border: 1px solid var(--scribe); background: repeating-linear-gradient(135deg, rgba(227, 234, 245, .5) 0 2px, transparent 2px 6px), var(--panel-2); }
.sw-missing { border: 1.5px dashed var(--scribe); }
.board-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.board-cta p { font-size: var(--fs-sm); color: var(--panel-soft); }

/* ---------- Sections ---------- */
.sec { padding-block: clamp(56px, 3rem + 4vw, 104px); }
.band { background: var(--paper-2); }
.sec-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px 56px; }
@media (min-width: 900px) { .sec-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); } .sec-head { position: sticky; top: 32px; align-self: start; } }
.sec-head { display: grid; gap: 12px; align-content: start; min-width: 0; }
.sec-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; align-content: start; min-width: 0; }
h2 { font-size: var(--fs-h2); font-stretch: var(--wide); font-weight: 760; line-height: 1.08; letter-spacing: -0.006em; text-wrap: balance; }
h3 { font-size: var(--fs-h3); font-weight: 650; line-height: 1.3; }
.intro { color: var(--steel); max-width: 38ch; }
.lead { font-size: var(--fs-lead); line-height: 1.45; font-weight: 500; max-width: 36ch; }
.prose { max-width: 62ch; display: grid; gap: 1em; }
.muted { color: var(--steel); }
.small { font-size: var(--fs-sm); }
.xs { font-size: var(--fs-xs); }

/* Steps: a real sequence */
.steps { display: grid; }
.step { position: relative; display: grid; grid-template-columns: 2.75rem minmax(0, 1fr); gap: 0 18px; padding-bottom: 32px; }
.step:last-child { padding-bottom: 0; }
.step:not(:last-child)::before { content: ""; position: absolute; left: calc(1.375rem - .5px); top: 2.6rem; bottom: 6px; border-left: 1px solid var(--rule-strong); }
.step-no {
  width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border: 1px solid var(--accent); border-radius: 50%;
  color: var(--accent); background: var(--paper); font-weight: 700; font-variant-numeric: tabular-nums;
}
.band .step-no { background: var(--paper-2); }
.step-body { display: grid; gap: 6px; max-width: 58ch; padding-top: 8px; }

/* Paths / options */
.paths { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
@media (min-width: 720px) { .paths { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.path {
  display: flex; flex-direction: column; gap: 10px; min-width: 0; padding: 20px 18px 18px;
  background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius);
}
.path .price { font-size: 1.5rem; font-weight: 750; font-stretch: var(--wide); letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.path .per { font-size: var(--fs-sm); color: var(--steel); font-weight: 500; font-stretch: 100%; }
.path ul { display: grid; gap: 6px; font-size: var(--fs-sm); }
.path li { padding-left: 16px; position: relative; }
.path li::before { content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 1px; background: var(--rule-strong); }
.path .foot { margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--rule); font-size: var(--fs-xs); color: var(--steel); }
.path.featured { border-color: var(--accent); box-shadow: inset 0 3px 0 var(--accent); }

.tier-table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
.tier-table th, .tier-table td { text-align: left; vertical-align: top; padding: 12px 12px 12px 0; border-top: 1px solid var(--rule); }
.tier-table th { font-weight: 650; white-space: nowrap; }
.tier-table td.num { white-space: nowrap; font-variant-numeric: tabular-nums; font-weight: 600; }
@media (max-width: 639px) {
  .tier-table, .tier-table tbody, .tier-table tr, .tier-table th, .tier-table td { display: block; }
  .tier-table tr { border-top: 1px solid var(--rule); padding: 12px 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .tier-table th, .tier-table td.num { white-space: normal; }
  .tier-table th, .tier-table td { border: 0; padding: 0; }
}

/* Ownership list */
.owns { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1px; background: var(--rule-strong); border: 1px solid var(--rule-strong); }
@media (min-width: 640px) { .owns { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.owns > div { background: var(--card); padding: 16px 18px 18px; display: grid; gap: 6px; align-content: start; }
.owns dt { font-weight: 650; }
.owns dd { color: var(--steel); font-size: var(--fs-sm); line-height: 1.5; }

/* Proof */
.proof { border-bottom: 1px solid var(--rule); }
.proof li { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; padding-block: 22px; border-top: 1px solid var(--rule); }
@media (min-width: 560px) { .proof li { grid-template-columns: 9.5rem minmax(0, 1fr); gap: 24px; } }
.num { font-size: clamp(2rem, 1.6rem + 1.4vw, 2.6rem); font-weight: 700; line-height: 1; color: var(--accent); font-variant-numeric: tabular-nums lining-nums; }
.unit { display: block; margin-top: 6px; font-size: var(--fs-xs); font-stretch: var(--narrow); color: var(--steel); line-height: 1.35; }

/* Callout */
.note-box { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); padding: 18px; display: grid; gap: 8px; }

/* Footer */
.foot { padding-block: 28px; border-top: 1px solid var(--rule); font-size: var(--fs-sm); color: var(--steel); }
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.foot a { color: var(--steel); }