* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: #18212b; line-height: 1.6; }
.container { width: min(1120px, 92%); margin: auto; }
.site-header { background: #fff; border-bottom: 1px solid #e8edf1; position: sticky; top: 0; z-index: 10; }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; flex-direction: column; line-height: 1.05; }
.brand-link { color: inherit; text-decoration: none; }
.brand-name { font-size: 1.35rem; font-weight: 800; letter-spacing: .08em; }
.brand-sub { font-size: .65rem; letter-spacing: .14em; margin-top: 5px; }
nav { display: flex; align-items: center; gap: 22px; }
nav a { color: #18212b; text-decoration: none; font-size: .95rem; }
.nav-button, .button { border-radius: 6px; padding: 11px 18px; font-weight: 700; text-decoration: none; display: inline-block; }
.nav-button { background: #18212b; color: #fff; }
.hero { background: #f2f6f8; padding: 92px 0 100px; }
.hero-content { display: flex; align-items: center; min-height: 430px; }
.hero-copy { max-width: 720px; }
.eyebrow { font-size: .76rem; font-weight: 800; letter-spacing: .16em; margin: 0 0 12px; }
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); line-height: 1.04; margin: 0 0 22px; letter-spacing: -.035em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; margin: 0 0 28px; }
.lead { font-size: 1.15rem; max-width: 650px; color: #4c5964; }
.actions { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.primary { background: #18212b; color: #fff; }
.secondary { border: 1px solid #18212b; color: #18212b; }
.section { padding: 85px 0; }
.light { background: #f7f9fa; }
.two-column { display: grid; grid-template-columns: 1fr 1.25fr; gap: 70px; }
.two-column p { color: #4c5964; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { background: #fff; padding: 28px; border: 1px solid #e4e9ed; border-radius: 8px; }
.card h3 { margin-top: 0; font-size: 1.1rem; }
.card p { color: #596671; margin-bottom: 0; }
.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.step { display: flex; gap: 18px; padding: 24px 0; border-top: 1px solid #dfe5e9; }
.step span { width: 40px; height: 40px; border: 1px solid #18212b; border-radius: 50%; display: grid; place-items: center; font-weight: 800; flex: 0 0 auto; }
.step h3 { margin: 0 0 5px; }
.step p { margin: 0; color: #596671; }
.cta { padding: 85px 0; background: #e9eff2; text-align: center; }
.cta p { color: #4c5964; margin-bottom: 28px; }
footer { background: #18212b; color: #fff; padding: 36px 0; }
.footer-content { display: flex; justify-content: space-between; gap: 30px; align-items: center; }
footer p { margin: 6px 0 0; color: #c8d1d7; }
.small { font-size: .85rem; }
.registration-page { background: #f7f9fa; min-height: calc(100vh - 160px); padding: 75px 0; }
.form-wrap { max-width: 820px; }
.registration-form { margin-top: 36px; padding: 34px; background: #fff; border: 1px solid #e4e9ed; border-radius: 8px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.registration-form label { display: grid; gap: 8px; font-weight: 700; font-size: .92rem; }
.registration-form input, .registration-form select, .registration-form textarea { width: 100%; min-height: 45px; padding: 10px 12px; border: 1px solid #c9d3da; border-radius: 5px; background: #fff; font: inherit; }
.registration-form textarea { min-height: 88px; resize: vertical; }
.registration-form input[type="file"] { padding: 9px; font-weight: 400; }
.full-width { grid-column: 1 / -1; }
fieldset { margin: 30px 0; padding: 24px; border: 1px solid #dfe5e9; border-radius: 6px; }
legend { padding: 0 8px; font-weight: 800; }
.form-note { color: #596671; margin: 0 0 20px; font-size: .9rem; }
.total-expenses input { background: #edf5f0; border-color: #4e8b65; font-weight: 800; color: #183d28; }
.consent { grid-template-columns: 20px 1fr; align-items: start; margin: 24px 0; color: #36434d; }
.consent input { min-height: auto; margin-top: 4px; }
.website-field { display: none; }
@media (max-width: 850px) {
  .nav { align-items: flex-start; padding: 18px 0; }
  nav { display: none; }
  .two-column, .steps { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 65px 0 75px; }
}
@media (max-width: 520px) {
  .container { width: min(100% - 28px, 1120px); }
  .nav { min-height: 68px; padding: 14px 0; }
  .brand-name { font-size: 1.2rem; }
  .registration-page { padding: 28px 0 42px; }
  .registration-page h1 { font-size: 2.2rem; margin-bottom: 14px; }
  .registration-page .lead { font-size: 1rem; margin: 0; }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 65px 0; }
  .footer-content { flex-direction: column; align-items: flex-start; }
  .registration-form { margin-top: 24px; padding: 14px; }
  fieldset { margin: 22px 0; padding: 16px 12px; }
  .form-grid { grid-template-columns: 1fr; gap: 16px; }
  .registration-form label { gap: 6px; }
  .full-width { grid-column: auto; }
  .form-note { margin-bottom: 16px; }
  .consent { grid-template-columns: 20px 1fr; gap: 8px; }
}