* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #111111;
  --white: #ffffff;
  --gray-line: #e8e8e8;
  --gray-text: #6b6b6b;
  --gray-faint: #999999;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.fade-up {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.7s var(--ease) forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; animation: none; }
  html { scroll-behavior: auto; }
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  border-bottom: 0.5px solid var(--gray-line);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--black);
  transition: opacity 0.2s var(--ease);
}

.nav-brand:hover {
  opacity: 0.7;
}

.nav-brand img {
  height: 28px;
}

.nav-brand-text {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  color: var(--gray-text);
  text-decoration: none;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s var(--ease);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 1px;
  background: var(--black);
  transition: width 0.3s var(--ease);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--black);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 18px;
  border: 0.5px solid var(--black);
  color: var(--black);
  text-decoration: none;
  transition: all 0.25s var(--ease);
}

.nav-cta:hover {
  background: var(--black);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.nav-toggle {
  display: none;
}

/* Crown mark */
.crown-mark {
  display: flex;
  justify-content: center;
  margin: 64px 0 32px;
}

.crown-mark svg {
  animation: crownIn 0.8s var(--ease) forwards;
}

@keyframes crownIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.92); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Hero */
.hero {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
  padding-bottom: 72px;
}

.hero-title {
  font-size: 34px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 1.35;
  margin-bottom: 22px;
}

.hero-rule {
  width: 64px;
  height: 1px;
  background: #cfcfcf;
  margin: 0 auto 22px;
}

.hero-sub {
  font-size: 16px;
  color: var(--gray-text);
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
}

.btn {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  text-decoration: none;
  display: inline-block;
  border: 0.5px solid var(--black);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.btn-primary {
  background: var(--black);
  color: var(--white);
}

.btn-primary:hover {
  background: #2b2b2b;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.16);
}

.btn-secondary {
  background: var(--white);
  color: var(--black);
}

.btn-secondary:hover {
  background: #f7f7f7;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

/* Section divider */
.divider {
  width: 100%;
  height: 0.5px;
  background: var(--gray-line);
}

/* Section generic */
.section {
  padding: 64px 0;
}

.section-eyebrow {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-faint);
  margin-bottom: 12px;
  text-align: center;
}

.section-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 48px;
}

/* 3-step grid */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.step-card {
  padding: 8px 28px 24px;
  border-left: 0.5px solid var(--gray-line);
  transition: transform 0.3s var(--ease);
}

.step-card:hover {
  transform: translateY(-4px);
}

.step-card:first-child {
  border-left: none;
  padding-left: 0;
}

.step-num {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray-faint);
  margin-bottom: 14px;
}

.step-title {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 13px;
  color: var(--gray-text);
  line-height: 1.7;
}

/* Trust row */
.trust-row {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 28px 0;
  border-top: 0.5px solid var(--gray-line);
  border-bottom: 0.5px solid var(--gray-line);
  flex-wrap: wrap;
}

.trust-item {
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--gray-text);
}

/* Long-form content (How it works, Contact) */
.content-block {
  max-width: 640px;
  margin: 0 auto;
  padding: 56px 0;
}

.content-block h1 {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 16px;
}

.content-block .lead {
  text-align: center;
  font-size: 14px;
  color: var(--gray-text);
  margin-bottom: 48px;
}

.howitworks-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-top: 0.5px solid var(--gray-line);
}

.howitworks-item:first-of-type {
  border-top: none;
}

.howitworks-num {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gray-faint);
  min-width: 28px;
}

.howitworks-text h3 {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.howitworks-text p {
  font-size: 13px;
  color: var(--gray-text);
  line-height: 1.7;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

.contact-card {
  border: 0.5px solid var(--gray-line);
  padding: 24px;
}

.contact-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-faint);
  margin-bottom: 10px;
}

.contact-value {
  font-size: 14px;
  margin-bottom: 4px;
}

.contact-value a {
  color: var(--black);
  text-decoration: none;
  border-bottom: 0.5px solid var(--gray-line);
}

/* Footer */
.footer {
  border-top: 0.5px solid var(--gray-line);
  padding: 32px 0;
  margin-top: 40px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--gray-faint);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--gray-faint);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--black);
}

/* Payment page specific */
.pay-page {
  max-width: 520px;
  margin: 0 auto;
  padding: 56px 24px;
}

.pay-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 8px;
}

.pay-logo img {
  height: 64px;
}

.pay-heading {
  text-align: center;
  margin-bottom: 40px;
}

.pay-heading h1 {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.pay-heading p {
  font-size: 12px;
  color: var(--gray-text);
  letter-spacing: 0.03em;
  margin-top: 6px;
}

.invoice-card {
  border: 0.5px solid var(--gray-line);
  padding: 24px;
  margin-bottom: 28px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.04);
  transition: box-shadow 0.3s var(--ease);
}

.invoice-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 9px 0;
  border-bottom: 0.5px solid var(--gray-line);
  color: var(--gray-text);
}

.invoice-row:last-child {
  border-bottom: none;
}

.invoice-row span:last-child {
  color: var(--black);
  font-weight: 500;
}

.invoice-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  margin-top: 8px;
  border-top: 0.5px solid var(--black);
}

.invoice-total-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-text);
}

.invoice-total-amount {
  font-size: 24px;
  font-weight: 500;
}

.plan-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.plan-card {
  border: 0.5px solid var(--gray-line);
  padding: 16px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.plan-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}

.plan-card.selected {
  border: 1px solid var(--black);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.plan-card-title {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.plan-card-desc {
  font-size: 12px;
  color: var(--gray-text);
  margin-bottom: 10px;
}

.plan-card-amount {
  font-size: 16px;
  font-weight: 500;
}

.field-group {
  margin-bottom: 18px;
}

.field-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gray-text);
  margin-bottom: 7px;
}

.field-group input {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  border: 0.5px solid var(--gray-line);
  font-size: 14px;
  font-family: inherit;
  background: var(--white);
  color: var(--black);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.field-group input:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(17,17,17,0.06);
}

.auto-pay-note {
  font-size: 12px;
  color: var(--gray-text);
  line-height: 1.6;
  border: 0.5px solid var(--gray-line);
  padding: 14px 16px;
  margin-bottom: 24px;
  display: none;
}

.auto-pay-note.visible {
  display: block;
}

.pay-button {
  width: 100%;
  height: 48px;
  background: var(--black);
  color: var(--white);
  border: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.pay-button:hover:not(:disabled) {
  background: #2b2b2b;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
}

.pay-button:disabled {
  background: #cfcfcf;
  cursor: not-allowed;
}

.secure-note {
  text-align: center;
  font-size: 11px;
  color: var(--gray-faint);
  margin-top: 16px;
  letter-spacing: 0.02em;
}

/* Mobile */
@media (max-width: 680px) {
  .nav-links { display: none; }
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .step-card { border-left: none; padding-left: 0; border-top: 0.5px solid var(--gray-line); padding-top: 24px; }
  .step-card:first-child { border-top: none; padding-top: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 22px; }
  .plan-options { grid-template-columns: 1fr; }
  .trust-row { gap: 20px; }
}