:root {
    --color-ink: #000;
    --color-paper: #fff;
    --color-graphite: #999;
    --font-text: "Manrope", ui-sans-serif, system-ui, -apple-system, sans-serif;
    --font-display: "Manrope", ui-sans-serif, system-ui, -apple-system, sans-serif;
    --page-max: 1440px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--color-paper); color: var(--color-ink); font-family: var(--font-text); font-size: 16px; font-weight: 400; line-height: 1.15; }
a { color: inherit; text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; text-underline-offset: 4px; }
.registration { position: relative; display: grid; grid-template-columns: 1fr 1fr 1fr; border-top: 1px solid var(--color-ink); border-bottom: 1px solid var(--color-ink); min-height: 52px; padding: 10px 20px; font-size: 20px; }
.registration span:nth-child(2) { text-align: center; }
.registration span:nth-child(3) { text-align: right; }
.registration-link { position: absolute; right: 20px; top: 62px; font-size: 16px; }
.page-shell { max-width: var(--page-max); margin: 0 auto; padding: 0 40px 150px; }
.landing-hero { min-height: 610px; padding: 150px 0 120px; max-width: 900px; }
.metadata { margin: 0 0 20px; font-size: 16px; }
h1, h2 { margin: 0; font-family: var(--font-display); font-weight: 400; letter-spacing: -0.04em; }
h1 { font-size: clamp(48px, 7vw, 96px); line-height: .88; max-width: 900px; }
h2 { font-size: clamp(28px, 3vw, 42px); line-height: .9; }
.lead { max-width: 600px; margin: 35px 0 0; font-size: 20px; line-height: 1.1; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 40px; }
.ink-button { display: inline-block; background: var(--color-ink); color: var(--color-paper); padding: 15px 20px; border: 1px solid var(--color-ink); }
.ink-button:hover, .ink-button:focus-visible { background: var(--color-paper); color: var(--color-ink); }
.editorial-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 20px; row-gap: 258px; border-top: 1px solid var(--color-ink); padding-top: 20px; }
.editorial-item { position: relative; min-height: 220px; }
.editorial-item h2 { margin-bottom: 25px; }
.editorial-item p:not(.metadata) { max-width: 35ch; margin: 0; }
.marked { overflow: hidden; }
.watermark { position: absolute; right: -15px; top: 50%; color: var(--color-graphite); transform: rotate(-35deg); transform-origin: center; }
.integration-note { margin-top: 150px; border-top: 1px solid var(--color-ink); padding-top: 20px; }
.flow { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: clamp(20px, 3vw, 35px); line-height: .9; }
.flow i { font-style: normal; }
.small-copy { max-width: 560px; margin: 35px 0 0; font-size: 16px; }
.page-footer { display: flex; justify-content: space-between; border-top: 1px solid var(--color-ink); padding: 20px 40px 30px; }
@media (max-width: 760px) {
    .registration-link { position: static; grid-column: 1 / -1; margin-top: 18px; }
    .page-shell { padding: 0 20px 100px; }
    .landing-hero { min-height: auto; padding: 110px 0 100px; }
    .editorial-grid { grid-template-columns: 1fr; row-gap: 100px; }
    .integration-note { margin-top: 100px; }
    .flow { align-items: flex-start; flex-direction: column; gap: 18px; }
    .flow i { transform: rotate(90deg); margin-left: 4px; }
    .page-footer { padding-left: 20px; padding-right: 20px; gap: 20px; flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.pay-landing { min-height: 100vh; display: flex; flex-direction: column; }
.pay-header { height: 52px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-top: 1px solid #000; border-bottom: 1px solid #000; padding: 0 12px; font-size: 20px; line-height: 1; }
.pay-header span:first-child { justify-self: start; }.pay-header span:nth-child(2) { justify-self: center; text-align: center; }.pay-header span:last-child { justify-self: end; }.pay-header i { font-style: normal; font-size: 13px; }
.pay-main { flex: 1; display: flex; flex-direction: column; max-width: 1440px; width: 100%; margin: auto; padding: 0 28px; }
.pay-hero { min-height: min(760px, calc(100dvh - 120px)); display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 70px 0 50px; }
.pay-hero h1 { font-size: clamp(84px, 16vw, 230px); line-height: .78; letter-spacing: -.075em; margin: 0 0 55px -9px; }
.pay-intro { max-width: 380px; font-size: 24px; line-height: 1.05; margin: 0; }
.pay-signal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; border-top: 1px solid #000; padding: 15px 0; color: #999; font-size: 13px; }
.pay-signal span:nth-child(2) { text-align: center; }.pay-signal span:last-child { text-align: right; }
.pay-note { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 130px 0 150px; border-bottom: 1px solid #000; font-size: clamp(28px, 4vw, 58px); line-height: .9; letter-spacing: -.04em; }
.pay-note p { margin: 0; }.pay-note p:last-child { color: #999; }
.pay-footer { display: flex; justify-content: space-between; border-top: 1px solid #000; padding: 18px 28px 24px; font-size: 13px; }.pay-footer a { border-bottom: 1px solid #000; padding-bottom: 3px; }
.payment-registration { position: fixed; inset: 0 0 auto; z-index: 20; height: 52px; padding: 0 12px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; background: #fff; border-top: 1px solid #000; border-bottom: 1px solid #000; font-size: 20px; }
.payment-registration span:first-child { justify-self: start; }.payment-registration span:nth-child(2) { justify-self: center; }.payment-registration span:last-child { justify-self: end; }
.payment-wrapper { padding-top: 78px; }
@media (max-width: 650px) { .pay-main { padding: 0 20px; }.pay-hero { min-height: 70vh; }.pay-hero h1 { font-size: 24vw; margin-left: -5px; }.pay-note { grid-template-columns: 1fr; gap: 70px; padding: 90px 0 110px; }.pay-footer { padding-left: 20px; padding-right: 20px; gap: 30px; flex-wrap: wrap; } }