:root {
  --ink: #1b1f24;
  --ink-soft: #57606a;
  --line: #e3e6ea;
  --paper: #ffffff;
  --paper-2: #f6f7f9;
  --brand: #b45309;
  --brand-strong: #92400e;
  --brand-wash: #fef3c7;
  --ok: #166534;
  --ok-wash: #dcfce7;
  --bad: #b91c1c;
  --bad-wash: #fee2e2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eceff3; --ink-soft: #a3acb8; --line: #2b3139; --paper: #111418; --paper-2: #181c21;
    --brand: #f59e0b; --brand-strong: #fbbf24; --brand-wash: rgba(245, 158, 11, .12);
    --ok: #86efac; --ok-wash: rgba(34, 197, 94, .14); --bad: #fca5a5; --bad-wash: rgba(239, 68, 68, .14);
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--brand-strong); }
img { max-width: 100%; }
.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--paper); padding: 8px 12px; border-radius: 6px; z-index: 10; }

/* Header */
.top { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 12px; }
.brand, .nav { flex-shrink: 0; }
.hint { font-size: 14px; color: var(--ink-soft); }
/* On a phone the header holds the brand and one button; the hint goes. */
@media (max-width: 520px) { .hint { display: none; } }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.01em; color: var(--ink); text-decoration: none; font-size: 18px; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--brand); display: grid; place-items: center; color: #fff; font-size: 15px; }
.nav { display: flex; align-items: center; gap: 8px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 0 18px; border-radius: 8px; border: 1px solid transparent;
  font: 600 15px/1 inherit; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-strong); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--paper-2); }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--brand) 45%, transparent); outline-offset: 2px;
}
.btn[disabled] { opacity: .6; cursor: progress; }

/* Hero */
.hero { padding: 88px 0 72px; background: linear-gradient(180deg, var(--brand-wash), transparent 70%); }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--brand-strong); margin-bottom: 14px; }
.hero h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.08; letter-spacing: -.025em; margin: 0 0 18px; max-width: 16ch; }
.hero p.lead { font-size: clamp(17px, 2vw, 20px); color: var(--ink-soft); margin: 0 0 30px; max-width: 58ch; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Sections */
section { padding: 64px 0; }
section.alt { background: var(--paper-2); border-block: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3vw, 34px); letter-spacing: -.02em; line-height: 1.15; margin: 0 0 10px; }
.sub { color: var(--ink-soft); margin: 0 0 36px; max-width: 60ch; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card h3 { margin: 12px 0 8px; font-size: 19px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--ink-soft); }
.icon { width: 40px; height: 40px; border-radius: 10px; background: var(--brand-wash); color: var(--brand-strong); display: grid; place-items: center; font-size: 20px; }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.steps li { counter-increment: step; padding-left: 48px; position: relative; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: var(--paper); display: grid; place-items: center; font-weight: 700; }
.steps strong { display: block; margin-bottom: 4px; }
.steps span { color: var(--ink-soft); }
.cta { text-align: center; }
.cta .actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--ink-soft); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* Signup */
.signup { padding: 56px 0 72px; }
.signup-grid { display: grid; gap: 40px; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); align-items: start; }
@media (max-width: 860px) { .signup-grid { grid-template-columns: 1fr; } }
.points { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.points li { display: flex; gap: 12px; color: var(--ink-soft); }
.points li::before { content: "✓"; color: var(--brand-strong); font-weight: 700; }
form.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 28px; box-shadow: var(--shadow); }
.row { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
label { font-size: 14px; font-weight: 600; }
.opt { font-weight: 400; color: var(--ink-soft); }
input, select, textarea {
  font: inherit; color: var(--ink); background: var(--paper); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px; min-height: 44px; width: 100%;
}
textarea { min-height: 96px; resize: vertical; }
.field[data-invalid] input, .field[data-invalid] select, .field[data-invalid] textarea { border-color: var(--bad); }
.error { color: var(--bad); font-size: 13px; min-height: 0; }
.choice { display: grid; gap: 10px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 560px) { .choice { grid-template-columns: 1fr; } }
.choice label { display: flex; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font-weight: 500; cursor: pointer; }
.choice input { width: auto; min-height: 0; accent-color: var(--brand); }
.choice label:has(input:checked) { border-color: var(--brand); background: var(--brand-wash); }
.consent { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 14px; color: var(--ink-soft); }
.consent input { width: auto; min-height: 0; margin-top: 3px; accent-color: var(--brand); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.notice { border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; font-size: 15px; }
.notice.bad { background: var(--bad-wash); color: var(--bad); }
.done { text-align: center; padding: 40px 12px; }
.done .icon { margin: 0 auto 14px; width: 56px; height: 56px; font-size: 28px; background: var(--ok-wash); color: var(--ok); }
.done h2 { margin-bottom: 8px; }
.done p { color: var(--ink-soft); margin: 0 0 22px; }
.small { font-size: 13px; color: var(--ink-soft); margin: 14px 0 0; text-align: center; }