/* Layout concept: calm, document-like pages with a persistent "registration facts" panel,
   so a reviewer sees who we are, where we're registered and how to reach us at a glance. */
:root {
  --paper: #f6f8f7;
  --surface: #ffffff;
  --ink: #16242b;
  --muted: #56666c;
  --line: #dbe3e1;
  --accent: #1d5c63;       /* deep harbor teal */
  --accent-ink: #ffffff;
  --accent-soft: #e3efee;
  --warm: #b86f2a;          /* used only for the Donate action */
  --warm-ink: #ffffff;
  --display: "Source Serif 4", Georgia, "Times New Roman", serif;
  --body: "Figtree", "Segoe UI", system-ui, -apple-system, sans-serif;
  --radius: 10px;
  --wrap: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1719; --surface: #152125; --ink: #e6eeec; --muted: #9eb0b1; --line: #26363a;
    --accent: #6fb7b4; --accent-ink: #0c1618; --accent-soft: #19302f; --warm: #e39a55; --warm-ink: #1a1007;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1719; --surface: #152125; --ink: #e6eeec; --muted: #9eb0b1; --line: #26363a;
  --accent: #6fb7b4; --accent-ink: #0c1618; --accent-soft: #19302f; --warm: #e39a55; --warm-ink: #1a1007;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.65 var(--body);
}
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
[hidden] { display: none !important; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 20px; }
.prose { max-width: 68ch; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.15; text-wrap: balance; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); letter-spacing: -.01em; }
h2 { font-size: clamp(1.55rem, 3vw, 2.1rem); }
h3 { font-size: 1.22rem; }
p { margin: 0 0 1em; }
.eyebrow { font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: .8rem; }
.lead { font-size: 1.18rem; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* Header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--display); font-weight: 600; font-size: 1.15rem; }
.brand svg { width: 34px; height: 34px; flex: none; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a { text-decoration: none; color: var(--ink); padding: 8px 12px; border-radius: 8px; font-size: .96rem; }
.site-nav a:hover { background: var(--accent-soft); }
.site-nav a[aria-current="page"] { color: var(--accent); font-weight: 600; }
.site-nav .btn { margin-left: 8px; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); color: var(--ink); border-radius: 8px; padding: 8px 12px; font: inherit; cursor: pointer; }
@media (max-width: 860px) {
  .menu-btn { display: inline-block; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--surface); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 8px 20px 16px; }
  .site-nav.open { display: flex; }
  .site-nav .btn { margin: 8px 0 0; text-align: center; }
}

/* Buttons */
.btn { display: inline-block; text-decoration: none; font: 600 .98rem/1 var(--body); padding: 13px 20px; border-radius: 8px; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-donate { background: var(--warm); color: var(--warm-ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn:hover { filter: brightness(1.06); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* Sections */
section { padding-block: 64px; }
.band { background: var(--surface); border-block: 1px solid var(--line); }
.hero { padding-block: 64px 56px; }
.hero-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 48px; align-items: start; }
.hero-grid > * { min-width: 0; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; gap: 32px; } }

.facts { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.facts h2 { font-size: 1.05rem; font-family: var(--body); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.facts dl { margin: 0; display: grid; gap: 12px; }
.facts dt { font-size: .8rem; color: var(--muted); }
.facts dd { margin: 0; font-weight: 500; overflow-wrap: anywhere; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 960px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-4 { grid-template-columns: 1fr; } }
.grid-2 > *, .grid-4 > * { min-width: 0; }

.program { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; gap: 6px; }
.program .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 8px; }
.program .icon svg { width: 22px; height: 22px; }
.program p { margin: 0; color: var(--muted); font-size: .96rem; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; counter-reset: s; }
.steps li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; }
.steps li::before { counter-increment: s; content: counter(s); width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 700; font-size: .9rem; }
.steps strong { display: block; }

.notice { background: var(--accent-soft); border-radius: var(--radius); padding: 18px 20px; font-size: .95rem; }
.cta { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }

/* Page header */
.page-head { padding-block: 56px 32px; border-bottom: 1px solid var(--line); background: var(--surface); }

/* Legal pages */
.legal { padding-block: 48px 72px; }
.legal h2 { font-size: 1.35rem; margin-top: 2em; }
.legal ul { padding-left: 1.2em; }
.legal li { margin-bottom: .4em; }
.toc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 8px; }
.toc ol { margin: 0; padding-left: 1.2em; columns: 2; column-gap: 32px; }
@media (max-width: 620px) { .toc ol { columns: 1; } }

/* Donate */
.donate-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.seg { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; margin-bottom: 18px; }
.seg label { text-align: center; padding: 11px; cursor: pointer; font-weight: 600; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg input:checked + span { color: var(--accent-ink); }
.seg label:has(input:checked) { background: var(--accent); color: var(--accent-ink); }
.seg label:has(input:focus-visible) { outline: 3px solid var(--accent); outline-offset: -3px; }
.amounts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 12px; }
@media (max-width: 480px) { .amounts { grid-template-columns: repeat(2, 1fr); } }
.amounts button { font: 600 1.05rem var(--body); padding: 14px 6px; border-radius: 8px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); cursor: pointer; font-variant-numeric: tabular-nums; }
.amounts button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-size: .9rem; font-weight: 600; }
.field input, .field textarea, .field select { font: inherit; padding: 11px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); width: 100%; }
.summary { display: flex; justify-content: space-between; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); margin-top: 6px; font-variant-numeric: tabular-nums; }
.donate-card .btn { width: 100%; text-align: center; }
.secure { display: flex; gap: 8px; align-items: center; font-size: .85rem; color: var(--muted); margin-top: 12px; }
.secure svg { width: 16px; height: 16px; flex: none; }
.form-note { margin-top: 14px; }

/* Footer */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); padding-block: 48px 32px; font-size: .92rem; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
.foot-grid > * { min-width: 0; }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }
.site-footer h3 { font-family: var(--body); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: underline; }
.legal-line { border-top: 1px solid var(--line); margin-top: 32px; padding-top: 20px; color: var(--muted); display: grid; gap: 4px; }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }