/* Tithe — the design brief is "austere and checkable", not "crypto flashy".
   Money is involved; the page should read like a receipt, not a casino. */

:root {
  --bg: #ffffff;
  --panel: #fbfbfc;
  --panel-2: #f4f5f7;
  --line: #e3e6ea;
  --line-soft: #eef0f3;
  --ink: #14171c;
  --ink-2: #58616c;
  --ink-3: #6b7480;       /* 4.74:1 -- the faintest text still has to be readable */
  --accent: #158347;      /* 4.81:1 on white AND under white button text. Both
                             clear AA. Lighter, prettier greens fail one or the
                             other; this was measured, not eyeballed. */
  --accent-hover: #106d3a;
  --accent-dim: #dff2e7;
  --on-accent: #ffffff;
  --warn: #8a6100;
  --danger: #c0392b;
  --danger-ink: #a32b1e;
  --danger-soft: rgba(192, 57, 43, 0.06);
  --ok: #158347;
  --nav-bg: rgba(255, 255, 255, 0.86);
  --logo-bg: #ffffff;
  --logo-ring: var(--line);
  --pill-inflight-line: #e6d5a3;
  --radius: 10px;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* The original dark palette, kept intact. Opt-in only: theme.js sets this
   attribute, and nothing else does -- the page does NOT follow the operating
   system, so what you see is what a visitor sees. */
html[data-theme="dark"] {
  --bg: #0a0b0d;
  --panel: #111317;
  --panel-2: #161a20;
  --line: #23282f;
  --line-soft: #1a1e24;
  --ink: #eef1f5;
  --ink-2: #99a2ad;
  --ink-3: #626b76;
  --accent: #4ade80;
  --accent-hover: #6ee79b;
  --accent-dim: #1c3a29;
  --on-accent: #07130c;
  --warn: #f0b429;
  --danger: #ef6461;
  --danger-ink: #ff8080;
  --danger-soft: rgba(210, 75, 75, 0.08);
  --ok: #4ade80;
  --nav-bg: rgba(10, 11, 13, 0.82);
  --logo-bg: #ffffff;
  --logo-ring: transparent;
  --pill-inflight-line: #4a3a12;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0; }
code, .mono { font-family: var(--mono); font-size: 0.9em; }
.dim { color: var(--ink-3); }
.small { font-size: 14px; color: var(--ink-2); }
.zero { color: var(--accent); }

/* ---------- nav ---------- */

.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 650; letter-spacing: -0.02em; }
.mark { color: var(--accent); }
.nav nav { display: flex; align-items: center; gap: 26px; font-size: 14.5px; color: var(--ink-2); }
.nav nav a:hover { color: var(--ink); }
.nav .ghost {
  border: 1px solid var(--line); padding: 7px 13px; border-radius: 8px; color: var(--ink);
}
.nav .ghost:hover { border-color: var(--ink-3); }

main { max-width: 1080px; margin: 0 auto; padding: 0 28px; }

/* ---------- hero ---------- */

.hero { padding: 96px 0 72px; max-width: 720px; }
.eyebrow {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink-3); margin: 0 0 22px;
}
.hero h1 { font-size: clamp(44px, 7vw, 76px); font-weight: 700; letter-spacing: -0.035em; }
.lede { font-size: 19px; color: var(--ink-2); margin: 22px 0 0; max-width: 620px; }
.hero-actions { display: flex; gap: 12px; margin: 34px 0 0; flex-wrap: wrap; }

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  margin: 64px 0 0; background: var(--line-soft);
  border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden;
}
.stats > div { background: var(--panel); padding: 18px 20px; }
.stats dt { font-size: 12.5px; color: var(--ink-3); margin: 0 0 6px; }
.stats dd { margin: 0; font-family: var(--mono); font-size: 19px; font-weight: 500; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border-radius: 9px; font-size: 15px; font-weight: 550;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  cursor: pointer; transition: border-color .15s, background .15s, transform .06s;
}
.btn:hover { border-color: var(--ink-3); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); color: var(--on-accent); border-color: var(--accent); font-weight: 650; }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.primary:disabled { background: var(--accent-dim); border-color: var(--accent-dim); color: var(--ink-3); cursor: not-allowed; }
.btn.block { width: 100%; }
.btn.ghost { background: transparent; }

/* ---------- sections ---------- */

section { padding: 72px 0; border-top: 1px solid var(--line-soft); }
section h2 { font-size: 30px; font-weight: 650; margin-bottom: 12px; }
.section-lede { color: var(--ink-2); max-width: 640px; margin: 0 0 36px; }

/* ---------- steps ---------- */

.steps { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  background: var(--line-soft); border: 1px solid var(--line-soft);
  border-radius: var(--radius); overflow: hidden; }
.steps li { background: var(--panel); padding: 26px 24px; }
.steps .n { font-family: var(--mono); font-size: 12.5px; color: var(--accent); }
.steps h3 { font-size: 16.5px; margin: 12px 0 8px; font-weight: 600; }
.steps p { margin: 0; font-size: 14.5px; color: var(--ink-2); }
.footnote { margin: 26px 0 0; font-size: 14.5px; color: var(--ink-2); }
.footnote a { color: var(--accent); }

/* ---------- charities ---------- */

.charity-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(238px, 1fr));
}
.charity-card {
  background: var(--panel); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 12px;
  transition: border-color .15s;
}
.charity-card:hover { border-color: var(--line); }
.charity-head { display: flex; align-items: center; gap: 12px; }
.charity-logo {
  width: 40px; height: 40px; border-radius: 8px; object-fit: contain;
  background: var(--logo-bg); box-shadow: inset 0 0 0 1px var(--logo-ring); padding: 4px; flex: none;
}
.charity-name { font-size: 14.5px; font-weight: 600; line-height: 1.3; }
.charity-cause { font-size: 12.5px; color: var(--ink-3); margin-top: 2px; }
.charity-desc { font-size: 13px; color: var(--ink-2); margin: 0; flex: 1; }
.charity-meta {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-3);
  border-top: 1px solid var(--line-soft); padding-top: 10px;
}
.charity-meta a { color: var(--ink-2); }
.charity-meta a:hover { color: var(--accent); }

/* ---------- launch ---------- */

.launch-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 20px; align-items: start; margin-top: 32px; }
.form, .promise {
  background: var(--panel); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 26px;
}
.form { display: grid; gap: 20px; }
.row.two { display: grid; grid-template-columns: 1fr 140px; gap: 14px; }
label { display: grid; gap: 7px; font-size: 13.5px; color: var(--ink-2); }
input[type=text], input:not([type]), textarea {
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: 11px 13px; color: var(--ink); font: inherit; font-size: 15px; width: 100%;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; }

fieldset { border: none; padding: 0; margin: 0; display: grid; gap: 10px; }
legend {
  padding: 0; font-size: 13.5px; color: var(--ink-2);
  display: flex; width: 100%; justify-content: space-between; align-items: baseline;
}
.split-readout { font-family: var(--mono); font-size: 13px; color: var(--ink-3); }
.split-readout b { color: var(--accent); font-weight: 500; }
.hint { margin: 0; font-size: 12.5px; color: var(--ink-3); }

.slider { -webkit-appearance: none; appearance: none; width: 100%; height: 4px;
  background: var(--line); border-radius: 3px; padding: 0; border: none; }
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); cursor: pointer; border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--accent);
}
.slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--accent);
  cursor: pointer; border: 3px solid var(--bg);
}
.slider-ticks { display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 11px; color: var(--ink-3); }

/* charity picker */
.charity-picker {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 8px;
  max-height: 268px; overflow-y: auto; padding: 2px;
}
.pick {
  background: var(--bg); border: 1px solid var(--line); border-radius: 9px;
  padding: 12px 10px; display: grid; gap: 8px; justify-items: center; text-align: center;
  cursor: pointer; transition: border-color .12s, background .12s;
}
.pick:hover { border-color: var(--ink-3); }
.pick.selected { border-color: var(--accent); background: var(--accent-dim); }
.pick img { width: 32px; height: 32px; border-radius: 7px; object-fit: contain; background: var(--logo-bg); box-shadow: inset 0 0 0 1px var(--logo-ring); padding: 3px; }
.pick span { font-size: 11.5px; line-height: 1.25; color: var(--ink-2); }
.pick.selected span { color: var(--ink); }

/* summary */
.summary {
  background: var(--bg); border: 1px solid var(--line-soft);
  border-radius: 9px; padding: 16px; display: grid; gap: 9px; font-size: 14px;
}
.summary > div { display: flex; justify-content: space-between; align-items: baseline; }
.summary span { color: var(--ink-2); }
.summary b { font-family: var(--mono); font-weight: 500; }
.summary .total { border-top: 1px solid var(--line-soft); padding-top: 9px; }
.summary .total b { color: var(--accent); }
.summary .vault { border-top: 1px solid var(--line-soft); padding-top: 9px; }
.summary .vault code { font-size: 11.5px; color: var(--ink-3); word-break: break-all; text-align: right; }

.disclaimer { margin: 0; font-size: 12.5px; color: var(--ink-3); text-align: center; }

/* promise panel */
.promise h3 { font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.promise h3.mt { margin-top: 26px; }
.can-cannot { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 9px; font-size: 14px; }
.can-cannot li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink-2); }
.can-cannot span { font-family: var(--mono); flex: none; width: 14px; }
.cannot span { color: var(--danger); }
.can span { color: var(--warn); }
.promise .btn { margin-top: 14px; }

/* ---------- transparency ---------- */

.table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 20px; }
.table th {
  text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--ink-3); font-weight: 500; padding: 0 14px 10px; border-bottom: 1px solid var(--line);
}
.table td { padding: 14px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.table tr:hover td { background: var(--panel); }
.table .mono { font-size: 12.5px; color: var(--ink-2); }
.pill {
  font-family: var(--mono); font-size: 11px; padding: 3px 8px; border-radius: 5px;
  border: 1px solid var(--line); color: var(--ink-2); white-space: nowrap;
}
.pill.accruing { color: var(--ink-3); }
.pill.inflight { color: var(--warn); border-color: var(--pill-inflight-line); }
.pill.donated  { color: var(--accent); border-color: var(--accent-dim); }

.callout {
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--warn);
  border-radius: 8px; padding: 20px 22px; margin: 26px 0;
}
.callout h3 { font-size: 15.5px; margin-bottom: 8px; }
.callout p { margin: 0 0 10px; font-size: 14.5px; color: var(--ink-2); }
.callout p:last-child { margin-bottom: 0; }

.chain { display: grid; gap: 1px; background: var(--line-soft);
  border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; margin-top: 24px; }
.chain-step { background: var(--panel); padding: 18px 22px; display: grid;
  grid-template-columns: 34px 1fr auto; gap: 16px; align-items: center; }
.chain-step .n { font-family: var(--mono); font-size: 12.5px; color: var(--accent); }
.chain-step h4 { margin: 0 0 3px; font-size: 14.5px; font-weight: 600; }
.chain-step p { margin: 0; font-size: 13px; color: var(--ink-3); }
.chain-step.partial .n { color: var(--warn); }

/* ---------- footer ---------- */

footer {
  max-width: 1080px; margin: 0 auto; padding: 44px 28px 64px;
  border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; gap: 28px; flex-wrap: wrap;
}
footer nav { display: flex; gap: 22px; font-size: 14px; color: var(--ink-2); align-items: flex-start; }
footer nav a:hover { color: var(--ink); }
footer p { margin: 8px 0 0; max-width: 320px; }

.loading { color: var(--ink-3); font-size: 14px; padding: 20px 0; }
.dropzone {
  border: 1px dashed var(--line); border-radius: 9px; padding: 22px;
  text-align: center; color: var(--ink-3); font-size: 13.5px; cursor: pointer;
}
.dropzone:hover { border-color: var(--ink-3); }
.dropzone img { max-height: 96px; border-radius: 7px; }
.drop.filled .dropzone { padding: 12px; }

@media (max-width: 880px) {
  .launch-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .nav nav a:not(.ghost) { display: none; }
  main { padding: 0 18px; }
  .hero { padding: 60px 0 48px; }
}

/* --- /verify ------------------------------------------------------------- */
.verify { max-width: 60rem; margin: 0 auto; padding: 2rem 1rem 6rem; }
.verify .lede { max-width: 42rem; }
.verify h2 { margin-top: 3rem; }
.charity { border: 1px solid var(--line); border-radius: 6px; padding: 1rem 1.25rem; margin: 1rem 0; }
.charity.ok { border-left: 3px solid var(--ok); }
.charity.alarm { border-left: 3px solid var(--danger); background: var(--danger-soft); }
.charity h3 small { font-weight: 400; opacity: 0.6; margin-left: 0.5rem; }
.verdict { margin: 0.25rem 0 0.75rem; }
.charity.alarm .verdict { color: var(--danger-ink); font-weight: 600; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1rem; margin: 0.5rem 0; }
.kv dt { opacity: 0.65; }
.kv dd { margin: 0; }
.steps { width: 100%; border-collapse: collapse; margin: 0.5rem 0; }
.steps th { text-align: left; opacity: 0.65; font-weight: 400; padding: 0.25rem 1rem 0.25rem 0; vertical-align: top; white-space: nowrap; }
.steps td { padding: 0.25rem 0; }
.steps code, .kv code { word-break: break-all; }
.vaults { width: 100%; border-collapse: collapse; }
.vaults th, .vaults td { text-align: left; padding: 0.5rem 0.75rem 0.5rem 0; border-bottom: 1px solid var(--line); }
.cmd { font-size: 0.8em; opacity: 0.75; }
.note { opacity: 0.7; font-size: 0.9em; }
p.alarm { color: var(--danger-ink); }
/* Wide content scrolls inside itself; the page never scrolls sideways. */
.verify table { display: block; overflow-x: auto; }

/* Money that went to the wrong chain. Named, not hidden -- decision 006. */
.pill.stranded { color: var(--danger-ink); border-color: var(--danger); }
tr.stranded td { background: var(--danger-soft); }

/* Theme toggle, injected by theme.js. Delete both if a custom design lands. */
.theme-toggle {
  position: fixed; right: 14px; bottom: 14px; z-index: 100;
  background: var(--panel); color: var(--ink-2);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 11px; font: inherit; font-size: 13px; cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-3); }

/* ---------------------------------------------------------------------------
   Utility classes that replace inline style="" attributes.
   The Content-Security-Policy in vercel.json keeps style-src at 'self', which
   blocks inline style attributes. Add rules here rather than styling in markup.
   --------------------------------------------------------------------------- */
.uppercase { text-transform: uppercase; }
.hero.tight { padding-bottom: 40px; }
.hero h1.sub { font-size: clamp(38px, 6vw, 60px); }
.summary.narrow { max-width: 640px; }
.charity-cell { display: flex; align-items: center; gap: 9px; }
.charity-cell .charity-logo { width: 26px; height: 26px; }