/* Layout concept: a planning-document page. Section numbers read like plan clauses,
   dimension lines are the signature motif, and one action column runs down the middle.
   Palette: Wada Sanzo Classic #279 (Dark Tyrian Blue, Raw Sienna, Vinaceous Cinnamon, Ecru)
   plus #60 (Pale Lemon Yellow). */
:root {
  --ink: #12354e;          /* Dark Tyrian Blue */
  --sienna: #bb7125;       /* Raw Sienna: graphics and large numerals only */
  --cinnamon: #eea78c;     /* Vinaceous Cinnamon: time / deadline */
  --ecru: #c2ae93;         /* Ecru: rules, borders, drawings */
  --lemon: #ffefae;        /* Pale Lemon Yellow: "fill this in" */
  --paper: #f4f0ec;        /* Ecru tint (page) */
  --paper-2: #e8e0d6;      /* Ecru tint (bands) */
  --surface: #ffffff;
  --muted: #51697a;
  --on-ink: #ffffff;
  --btn-hover: #1d4766;
  --chip-ink: #12354e;     /* text on cinnamon/lemon stays navy in both themes */

  --f-display: 'Newsreader', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --f-body: 'Public Sans', -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --r: 10px;
  --gutter-x: 20px;
  --max: 1120px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #f4f0ec; --paper: #0c2233; --paper-2: #0f2d42; --surface: #133650;
    --muted: #b3c2cc; --on-ink: #0c2233; --btn-hover: #ffffff; --ecru: #8f7f6a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink: #f4f0ec; --paper: #0c2233; --paper-2: #0f2d42; --surface: #133650;
  --muted: #b3c2cc; --on-ink: #0c2233; --btn-hover: #ffffff; --ecru: #8f7f6a;
  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(--f-body); font-size: 1.0625rem; line-height: 1.6;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--cinnamon); }
img, svg { max-width: 100%; }
a { color: inherit; text-underline-offset: 3px; text-decoration-thickness: 1px; }
:focus-visible { outline: 3px solid var(--sienna); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 600; line-height: 1.08; text-wrap: balance; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 6.4vw, 3.9rem); }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); }
h3 { font-size: 1.25rem; line-height: 1.25; }
p { margin: 0; }
.wrap {
  max-width: var(--max); margin-inline: auto;
  padding-left: max(var(--gutter-x), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter-x), env(safe-area-inset-right, 0px));
}
@media (min-width: 900px) { :root { --gutter-x: 32px; } }
.measure { max-width: 64ch; }
.eyebrow { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.small { font-size: 0.875rem; color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Deadline bar */
.deadline {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: var(--cinnamon); color: var(--chip-ink);
  font-size: 0.9375rem;
}
.deadline .wrap { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 46px; padding-block: 6px; text-align: center; }
.deadline__text { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; }
.chip-time { font-family: var(--f-mono); font-weight: 500; font-size: 0.8125rem; letter-spacing: 0.03em; padding: 3px 10px; border-radius: 999px; background: rgba(18,53,78,0.12); }
.deadline.is-final .chip-time { background: #12354e; color: var(--lemon); }

/* Sections */
section { padding-block: 72px; }
@media (min-width: 900px) { section { padding-block: 96px; } }
.band { background: var(--paper-2); }
.sec-head { display: grid; gap: 12px; margin-bottom: 36px; }
.clause { font-family: var(--f-mono); font-size: 0.8125rem; color: var(--sienna); letter-spacing: 0.04em; }
:root:not([data-theme="light"]) .clause { color: var(--sienna); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 12px 22px; border-radius: var(--r);
  font: 600 1rem/1.2 var(--f-body); text-decoration: none; cursor: pointer;
  border: 1.5px solid var(--ink); transition: background-color .15s, color .15s;
}
.btn--primary { background: var(--ink); color: var(--on-ink); }
.btn--primary:hover { background: var(--btn-hover); }
.btn--outline { background: transparent; color: var(--ink); }
.btn--outline:hover { background: var(--paper-2); }
.btn--block { width: 100%; }
@media (min-width: 600px) { .btn--block { width: auto; } }
.btn svg { flex: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Pills */
.pill { display: inline-block; background: var(--lemon); color: var(--chip-ink); font-weight: 600; padding: 1px 9px; border-radius: 999px; white-space: nowrap; }
.verify { outline: 1.5px dashed var(--sienna); outline-offset: 2px; border-radius: 3px; }
.verify::after { content: " ⚑"; color: var(--sienna); font-size: 0.8em; }

/* Hero */
.hero { padding-block: 64px 80px; }
@media (min-width: 900px) { .hero { padding-block: 104px 112px; } }
.hero__inner { display: grid; gap: 24px; justify-items: center; text-align: center; max-width: 820px; }
.hero__inner > * { min-width: 0; }
.hero__sub { font-size: 1.2rem; max-width: 56ch; }
.trust { font-size: 0.9375rem; color: var(--muted); border-top: 1px solid var(--ecru); padding-top: 18px; margin-top: 8px; }
.mobile-help { display: flex; gap: 12px; align-items: flex-start; text-align: left; background: var(--paper-2); border-radius: var(--r); padding: 14px 16px; font-size: 0.9375rem; max-width: 520px; }
.mobile-help button { margin-left: auto; background: none; border: 0; color: var(--muted); font-size: 1.25rem; line-height: 1; cursor: pointer; padding: 2px 6px; min-width: 32px; min-height: 32px; }
@media (min-width: 900px) and (hover: hover) { .mobile-help { display: none; } }

/* Why cards */
.why { display: grid; gap: 28px; }
@media (min-width: 900px) { .why { grid-template-columns: repeat(3, 1fr); gap: 36px; } }
.why__item { display: grid; gap: 8px; border-top: 2px solid var(--ink); padding-top: 18px; }
.why__item h3 { font-size: 1.2rem; }

/* Sites */
.toggle { display: inline-flex; flex-wrap: wrap; gap: 4px; background: var(--surface); border: 1px solid var(--ecru); border-radius: 999px; padding: 4px; margin-bottom: 28px; }
.toggle button { font: 600 0.9375rem var(--f-body); color: var(--ink); background: transparent; border: 0; border-radius: 999px; padding: 9px 16px; min-height: 44px; cursor: pointer; }
.toggle button[aria-checked="true"] { background: var(--ink); color: var(--on-ink); }
.sites { display: grid; gap: 20px; }
@media (min-width: 900px) { .sites { grid-template-columns: repeat(3, 1fr); } }
.site { background: var(--surface); border: 1px solid var(--ecru); border-radius: var(--r); padding: 22px; display: grid; gap: 14px; align-content: start; transition: opacity .2s, border-color .2s; min-width: 0; }
.site.is-focus { border-color: var(--sienna); box-shadow: inset 4px 0 0 var(--sienna); }
.site.is-dim { opacity: 0.55; }
.site__side { font-family: var(--f-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.site dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; font-size: 0.9375rem; }
.site dt { color: var(--muted); }
.site dd { margin: 0; font-weight: 600; }
.site__impact { border-top: 1px solid var(--ecru); padding-top: 12px; font-size: 0.9375rem; }
.site svg { width: 100%; height: auto; display: block; }
.plan text { font-family: var(--f-mono); font-size: 7px; fill: var(--muted); }

/* Asks */
.asks { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: ask; }
.ask { display: grid; grid-template-columns: 56px 1fr; gap: 6px 18px; padding-block: 24px; border-top: 1px solid var(--ecru); counter-increment: ask; }
.ask:last-child { border-bottom: 1px solid var(--ecru); }
.ask::before { content: counter(ask); font: 600 2.6rem/1 var(--f-display); color: var(--sienna); grid-row: span 3; }
.ask h3 { font-size: 1.3rem; }
.cite { justify-self: start; font-family: var(--f-mono); font-size: 0.75rem; color: var(--muted); background: var(--paper-2); padding: 3px 10px; border-radius: 999px; text-decoration: none; }
.cite:hover { text-decoration: underline; }
.asks-note { margin-top: 24px; }

/* Steps */
.steps-layout { display: grid; gap: 32px; }
@media (min-width: 1000px) { .steps-layout { grid-template-columns: 1fr 220px; gap: 56px; } }
.rail { display: none; }
@media (min-width: 1000px) {
  .rail { display: block; position: sticky; top: 76px; align-self: start; }
  .rail ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
  .rail li { display: flex; gap: 10px; align-items: center; font-size: 0.9375rem; color: var(--muted); }
  .rail li .dot { width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--ecru); display: grid; place-items: center; font: 500 0.75rem var(--f-mono); }
  .rail li.done { color: var(--ink); }
  .rail li.done .dot { background: var(--sienna); border-color: var(--sienna); color: #fff; }
}
.step { background: var(--surface); border: 1px solid var(--ecru); border-radius: var(--r); margin-bottom: 20px; }
.step__head { display: flex; align-items: center; gap: 16px; padding: 20px 22px; }
.step__num { font: 600 2.4rem/1 var(--f-display); color: var(--sienna); min-width: 1.2ch; }
.step__title { flex: 1; min-width: 0; }
.step__title h3 { font-size: 1.35rem; }
.step__title p { font-size: 0.875rem; color: var(--muted); }
.done-toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 0.875rem; font-weight: 600; cursor: pointer; white-space: nowrap; min-height: 44px; }
.done-toggle input { width: 22px; height: 22px; accent-color: var(--sienna); margin: 0; }
.step__body { padding: 0 22px 24px; display: grid; gap: 20px; }
.step.is-done .step__title h3 { color: var(--muted); }
@media (max-width: 999px) { .step.is-done .step__body { display: none; } }

.doc-preview { display: grid; gap: 20px; }
@media (min-width: 760px) { .doc-preview { grid-template-columns: 1.1fr 1fr; align-items: start; } }
.paper-doc { background: #fffdf8; color: #12354e; border: 1px solid var(--ecru); border-radius: 4px; padding: 22px 24px; font-family: var(--f-display); font-size: 1rem; line-height: 1.75; box-shadow: 6px 6px 0 var(--paper-2); }
.paper-doc .pill { font-family: var(--f-body); font-size: 0.875rem; }
.paper-doc .doc-line { display: block; height: 7px; border-radius: 4px; background: #e8e0d6; margin: 10px 0; }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 0.9375rem; }
.checklist li { display: grid; grid-template-columns: 18px 1fr; gap: 10px; }
.checklist li::before { content: ""; width: 12px; height: 12px; margin-top: 6px; border: 1.5px solid var(--sienna); border-radius: 2px; }

.tabs [role="tablist"] { display: flex; flex-wrap: wrap; gap: 6px; border-bottom: 1px solid var(--ecru); margin-bottom: 16px; }
.tabs [role="tab"] { font: 600 0.875rem var(--f-body); color: var(--muted); background: none; border: 0; border-bottom: 2.5px solid transparent; padding: 10px 12px; min-height: 44px; cursor: pointer; }
.tabs [role="tab"][aria-selected="true"] { color: var(--ink); border-bottom-color: var(--sienna); }
.tabs [role="tabpanel"] { font-size: 1rem; }
.kbd { font-family: var(--f-mono); font-size: 0.875rem; background: var(--paper-2); padding: 1px 6px; border-radius: 4px; white-space: nowrap; }
.no-js .tabs [role="tablist"] { display: none; }
.no-js .tabs [role="tabpanel"] { display: block !important; margin-bottom: 12px; }

.copy { display: grid; gap: 6px; }
.copy label, .copy .lbl { font: 500 0.75rem var(--f-mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.copy__row { display: grid; grid-template-columns: 1fr; gap: 8px; }
@media (min-width: 600px) { .copy__row { grid-template-columns: 1fr auto; align-items: stretch; } }
.copy__val { background: var(--paper); border: 1px solid var(--ecru); border-radius: 8px; padding: 12px 14px; font-size: 0.9375rem; overflow-wrap: anywhere; min-width: 0; white-space: pre-wrap; user-select: all; }
.copy__btn { min-height: 46px; padding: 0 18px; font: 600 0.9375rem var(--f-body); border-radius: 8px; border: 1.5px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; }
.copy__btn.is-copied { background: var(--ink); color: var(--on-ink); }
.attach-note { display: flex; gap: 12px; align-items: flex-start; background: var(--lemon); color: #12354e; border-radius: var(--r); padding: 14px 16px; font-weight: 600; }
.attach-note svg { flex: none; margin-top: 2px; }

/* Simple steps */
.simple-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; counter-reset: st; }
@media (min-width: 900px) { .simple-steps { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.simple-steps li { counter-increment: st; background: var(--surface); border: 1px solid var(--ecru); border-radius: var(--r); padding: 24px; display: grid; gap: 12px; align-content: start; min-width: 0; }
.simple-steps li::before { content: counter(st); font: 600 2.6rem/1 var(--f-display); color: var(--sienna); }
.email-link { font-weight: 600; overflow-wrap: anywhere; }

/* Plan B */
details.planb { background: var(--surface); border: 1px solid var(--ecru); border-radius: var(--r); }
details.planb > summary { cursor: pointer; padding: 20px 22px; font: 600 1.15rem var(--f-display); list-style: none; display: flex; gap: 12px; align-items: center; }
details.planb > summary::-webkit-details-marker { display: none; }
details.planb > summary::after { content: "+"; margin-left: auto; font: 500 1.4rem var(--f-mono); color: var(--sienna); }
details.planb[open] > summary::after { content: "–"; }
.planb__body { padding: 0 22px 24px; display: grid; gap: 14px; }
textarea { width: 100%; min-height: 220px; font: 1rem/1.55 var(--f-body); color: var(--ink); background: var(--paper); border: 1.5px solid var(--ecru); border-radius: 8px; padding: 12px 14px; resize: vertical; }
textarea.is-near { border-color: var(--sienna); }
.counter { font-family: var(--f-mono); font-size: 0.8125rem; color: var(--muted); }
.counter.is-over { color: #b3261e; font-weight: 600; }

/* Share */
.share { text-align: left; display: grid; gap: 18px; justify-items: start; }

/* FAQ */
.faq details { border-top: 1px solid var(--ecru); }
.faq details:last-child { border-bottom: 1px solid var(--ecru); }
.faq summary { cursor: pointer; padding: 18px 0; font-weight: 600; list-style: none; display: flex; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; margin-left: auto; font: 500 1.2rem var(--f-mono); color: var(--sienna); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: 18px; max-width: 64ch; }

/* Footer */
footer { background: #12354e; color: #f4f0ec; padding-block: 56px calc(56px + env(safe-area-inset-bottom, 0px)); font-size: 0.9375rem; }
footer a { color: #f4f0ec; }
.foot { display: grid; gap: 28px; }
@media (min-width: 900px) { .foot { grid-template-columns: 1.3fr 1fr; } }
.foot h2 { font-size: 1.5rem; color: #f4f0ec; }
.foot ul { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 6px; }
.foot .muted { color: #b3c2cc; }