:root { --ink:#1a1a1a; --muted:#66645f; --paper:#f4f1ea; --surface:#fff; --accent:#315c48; --line:#d6d2c8; --danger:#a12d2d; --warning:#f0dfb8; --radius:12px; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:Arial,Helvetica,sans-serif; line-height:1.55; }
a { color:inherit; }
button,input,select { font:inherit; }
code { padding:.1em .35em; border-radius:4px; background:rgba(49,92,72,.09); font-size:.9em; }
.skip-link { position:fixed; top:1rem; left:1rem; z-index:10; padding:.65rem 1rem; color:#fff; background:var(--ink); transform:translateY(-180%); }
.skip-link:focus { transform:none; }
.site-header,footer,.hero,.content-section { width:min(940px,calc(100% - 40px)); margin-inline:auto; }
.site-header { min-height:72px; display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid var(--line); }
.brand { display:flex; align-items:center; gap:.65rem; font-weight:700; text-decoration:none; }
.brand-mark { display:grid; place-items:center; width:34px; height:34px; border-radius:50%; color:#fff; background:var(--accent); font-size:.7rem; }
.header-link { font-size:.9rem; font-weight:700; text-underline-offset:4px; }
.hero { padding:7rem 0 6rem; border-bottom:1px solid var(--line); }
.kicker { margin:0 0 .75rem; color:var(--accent); font-size:.75rem; font-weight:800; letter-spacing:.12em; text-transform:uppercase; }
h1,h2,h3,p { margin-top:0; }
h1,h2 { font-family:Georgia,"Times New Roman",serif; font-weight:500; letter-spacing:-.03em; }
h1 { max-width:760px; margin-bottom:1.25rem; font-size:clamp(3.2rem,8vw,6rem); line-height:.96; }
.lead { max-width:620px; margin-bottom:0; color:var(--muted); font-size:1.15rem; }
.content-section { padding:5rem 0; border-bottom:1px solid var(--line); }
.section-heading { display:grid; grid-template-columns:48px 1fr; gap:1.5rem; margin-bottom:2.5rem; }
.section-number { margin:.15rem 0 0; color:var(--muted); font-family:monospace; font-size:.8rem; }
h2 { max-width:680px; margin-bottom:0; font-size:clamp(2.25rem,5vw,3.8rem); line-height:1.02; }
h3 { line-height:1.2; }
.section-copy { max-width:600px; margin:1rem 0 0; color:var(--muted); }
.flow-list { margin:0 0 2rem 72px; padding:0; list-style:none; counter-reset:flow; border-top:1px solid var(--line); }
.flow-list li { counter-increment:flow; display:grid; grid-template-columns:42px 1fr; gap:1rem; padding:1.1rem 0; border-bottom:1px solid var(--line); }
.flow-list li::before { content:counter(flow,decimal-leading-zero); color:var(--accent); font-family:monospace; font-size:.8rem; }
.version-note { margin-left:72px; padding:1.5rem; border-radius:var(--radius); background:var(--warning); }
.version-note h3 { margin-bottom:.5rem; }
.version-note p:last-child { margin-bottom:0; }
.list-grid { display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin-left:72px; }
.list-card { padding:1.6rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); }
.list-card h3 { min-height:2.4em; margin-bottom:1.2rem; }
.list-card ul { margin:0; padding:0; list-style:none; }
.list-card li { position:relative; padding:.55rem 0 .55rem 1.6rem; border-top:1px solid var(--line); }
.list-card li::before { position:absolute; left:.2rem; font-weight:800; }
.allowed-card li::before { content:"+"; color:var(--accent); }
.blocked-card li::before { content:"–"; color:var(--danger); }
.form-card { margin-left:72px; padding:2rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.1rem; }
.field { display:flex; flex-direction:column; }
.field-wide { grid-column:1 / -1; }
label { margin-bottom:.35rem; font-size:.9rem; font-weight:700; }
input,select { width:100%; min-height:48px; padding:.65rem .75rem; border:1px solid #aaa89f; border-radius:6px; color:var(--ink); background:#fff; }
input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible { outline:3px solid #d09b38; outline-offset:3px; }
[aria-invalid="true"] { border-color:var(--danger); }
.field-hint,.form-footnote { margin-top:.35rem; color:var(--muted); font-size:.8rem; }
.field-error { min-height:1.2rem; margin-top:.2rem; color:var(--danger); font-size:.8rem; font-weight:700; }
.consent-field { display:grid; grid-template-columns:auto 1fr; gap:.65rem; margin-top:1rem; }
.consent-field input { width:20px; min-height:20px; margin-top:.15rem; }
.consent-field label { font-weight:500; }
.consent-error { display:block; }
.button { display:inline-flex; min-height:48px; align-items:center; justify-content:center; margin-top:.6rem; padding:.7rem 1.3rem; border:0; border-radius:6px; color:#fff; background:var(--accent); font-weight:700; cursor:pointer; }
.button:hover { background:#244937; }
.button[disabled] { cursor:wait; opacity:.65; }
.spinner { display:none; width:18px; height:18px; border:2px solid rgba(255,255,255,.4); border-top-color:#fff; border-radius:50%; animation:spin .7s linear infinite; }
.is-loading .button-label { display:none; }
.is-loading .spinner { display:block; }
@keyframes spin { to { transform:rotate(360deg); } }
.form-status { min-height:1.4rem; margin-top:1rem; font-weight:700; }
.form-status.error { color:var(--danger); }
.form-status.success { color:var(--accent); }
.checkout { text-align:center; }
.success-icon { display:grid; place-items:center; width:46px; height:46px; margin:0 auto 1rem; border-radius:50%; color:#fff; background:var(--accent); }
#stripe-button-container { min-height:52px; margin:1.5rem 0; }
footer { min-height:100px; display:flex; align-items:center; justify-content:space-between; color:var(--muted); font-size:.85rem; }
footer p { margin:0; }
@media (max-width:680px) {
  .hero { padding:5rem 0 4rem; }
  .content-section { padding:4rem 0; }
  .section-heading { grid-template-columns:1fr; gap:.5rem; }
  .flow-list,.version-note,.list-grid,.form-card { margin-left:0; }
  .list-grid,.form-grid { grid-template-columns:1fr; }
  .field-wide { grid-column:auto; }
  .list-card h3 { min-height:auto; }
}
@media (max-width:420px) {
  .site-header,footer,.hero,.content-section { width:calc(100% - 28px); }
  .site-header .brand > span:last-child { display:none; }
  h1 { font-size:3rem; }
  .form-card { padding:1.2rem; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { animation-duration:.01ms !important; }
}