:root {
  --ink: #101410;
  --paper: #f5f1e6;
  --paper-dark: #e9e2d2;
  --green: #0b7a49;
  --green-dark: #075f38;
  --gold: #f4c531;
  --red: #c93b34;
  --muted: #60635c;
  --line: rgba(16, 20, 16, .18);
  --content: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, Arial, sans-serif; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; background: #fff; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.age-strip { padding: 8px 5vw; background: var(--red); color: #fff; text-align: center; font-size: 12px; letter-spacing: .015em; }
.site-header { position: sticky; top: 0; z-index: 20; min-height: 78px; padding: 0 max(5vw, calc((100vw - var(--content)) / 2)); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); background: rgba(245, 241, 230, .94); backdrop-filter: blur(12px); }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 900; letter-spacing: -.02em; }
.brand-badge { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--green); color: #fff; font-weight: 950; font-size: 13px; box-shadow: inset 0 0 0 4px rgba(255,255,255,.22); }
nav { display: flex; gap: clamp(18px, 2.2vw, 32px); font-size: 13px; font-weight: 750; }
nav a, .header-link, .text-link { text-underline-offset: 5px; }
nav a:hover, .header-link:hover, .text-link:hover { color: var(--green); text-decoration: underline; }
.header-link { justify-self: end; font-size: 13px; font-weight: 850; }

.hero { max-width: var(--content); min-height: 690px; margin: 0 auto; padding: 74px 5vw 86px; display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(45px, 7vw, 105px); align-items: center; }
.kicker { margin: 0 0 18px; text-transform: uppercase; letter-spacing: .15em; font-size: 10px; line-height: 1.4; font-weight: 900; }
h1, h2, h3 { font-family: Georgia, 'Times New Roman', serif; }
h1 { margin: 0; max-width: 820px; font-size: clamp(52px, 6.3vw, 96px); line-height: .94; letter-spacing: -.055em; }
h1 span { color: var(--green); }
.hero-lead { max-width: 690px; margin: 30px 0; font-size: 18px; line-height: 1.65; color: var(--muted); }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 14px 22px; border-radius: 999px; font-size: 13px; font-weight: 900; transition: transform .15s ease, background .15s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green); color: #fff; }
.button-primary:hover { background: var(--green-dark); }
.button-dark { margin-top: 18px; background: var(--ink); color: #fff; }
.text-link { font-size: 13px; font-weight: 850; }
.proof-row { display: flex; flex-wrap: wrap; gap: 14px 28px; margin: 42px 0 0; }
.proof-row div { padding-left: 13px; border-left: 3px solid var(--green); }
.proof-row dt { margin-bottom: 4px; color: var(--muted); text-transform: uppercase; letter-spacing: .09em; font-size: 9px; font-weight: 850; }
.proof-row dd { margin: 0; font-size: 12px; font-weight: 850; }

.hero-board { position: relative; padding: 34px; border-radius: 28px; background: var(--ink); color: #fff; box-shadow: 24px 26px 0 var(--gold); transform: rotate(1deg); }
.flag-line { display: grid; grid-template-columns: repeat(3, 1fr); height: 7px; margin-bottom: 38px; overflow: hidden; border-radius: 10px; }
.flag-line i:nth-child(1) { background: var(--red); }
.flag-line i:nth-child(2) { background: var(--gold); }
.flag-line i:nth-child(3) { background: var(--green); }
.board-label { color: rgba(255,255,255,.56); text-transform: uppercase; letter-spacing: .15em; font-size: 10px; font-weight: 900; }
.check-row { min-height: 91px; display: grid; grid-template-columns: 42px 1fr auto; gap: 14px; align-items: center; border-top: 1px solid rgba(255,255,255,.16); }
.check-row b { color: var(--gold); font-family: Georgia, serif; font-size: 22px; }
.check-row span { font-size: 14px; line-height: 1.45; }
.check-row em { color: var(--gold); font-size: 9px; font-style: normal; letter-spacing: .12em; font-weight: 900; }
.board-note { margin: 16px 0 0; padding: 17px; border-radius: 13px; background: var(--red); font-size: 12px; font-weight: 800; line-height: 1.5; }

.topic-strip { min-height: 66px; padding: 16px 5vw; display: flex; align-items: center; justify-content: center; gap: clamp(22px, 5vw, 74px); overflow: hidden; background: var(--gold); white-space: nowrap; text-transform: uppercase; letter-spacing: .08em; font-size: 11px; font-weight: 950; }
.topic-strip span::before { content: ''; display: inline-block; width: 6px; height: 6px; margin: 0 13px 2px 0; border-radius: 50%; background: var(--green); }
.section { padding: 108px max(5vw, calc((100vw - var(--content)) / 2)); }
.section-heading { display: grid; grid-template-columns: 1fr .78fr; align-items: end; gap: 7vw; margin-bottom: 48px; }
h2 { margin: 0; font-size: clamp(39px, 5vw, 70px); line-height: 1; letter-spacing: -.045em; }
h3 { letter-spacing: -.025em; }
.section-heading > p, .operators-copy > p:not(.kicker), .cashier-intro > p:not(.kicker) { color: var(--muted); line-height: 1.7; }
.steps { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; list-style: none; }
.steps li { min-height: 285px; padding: 28px; display: flex; flex-direction: column; justify-content: flex-end; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.2); }
.steps li > span { margin-bottom: auto; color: var(--green); font-size: 12px; font-weight: 950; }
.steps h3, .cashier-grid h3, .method-grid h3 { margin: 0 0 10px; font-size: 26px; }
.steps p, .cashier-grid p, .method-grid p, .terms-grid p { margin: 0; color: var(--muted); line-height: 1.62; }
.callout { margin-top: 18px; padding: 19px 22px; border-left: 5px solid var(--gold); background: var(--paper-dark); font-size: 14px; line-height: 1.55; }

.operators { display: grid; grid-template-columns: .82fr 1.18fr; gap: 7vw; background: var(--green); color: #fff; }
.operators-copy > p:not(.kicker) { color: rgba(255,255,255,.74); }
.operators-copy .operator-warning { padding-left: 14px; border-left: 3px solid var(--gold); color: #fff; font-size: 13px; }
.operator-list { align-self: center; border-top: 1px solid rgba(255,255,255,.48); }
.operator-head, .operator-row { padding: 17px 6px; display: grid; grid-template-columns: 1fr 1.2fr .55fr; gap: 15px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.25); }
.operator-head { color: rgba(255,255,255,.58); text-transform: uppercase; letter-spacing: .12em; font-size: 9px; font-weight: 900; }
.operator-row { min-height: 70px; font-size: 13px; }
.operator-row strong { font-size: 15px; }

.cashier { display: grid; grid-template-columns: .72fr 1.28fr; grid-template-areas: "intro cards" "note note"; gap: 6vw; row-gap: 42px; align-items: start; }
.cashier-intro { grid-area: intro; min-width: 0; }
.cashier-grid { grid-area: cards; min-width: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cashier-grid article { min-height: 260px; padding: 26px; display: flex; flex-direction: column; justify-content: flex-end; border-radius: 18px; background: var(--paper-dark); }
.cashier-grid article > span { margin-bottom: auto; color: var(--green); font-size: 11px; font-weight: 950; }
.field-note { grid-area: note; min-width: 0; padding: 34px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 34px; align-items: center; overflow: hidden; border-radius: 24px; background: var(--ink); color: #fff; }
.field-note h3 { margin: 0 0 10px; font-size: clamp(28px, 3vw, 44px); line-height: 1.08; }
.field-note p:last-child { max-width: 820px; margin: 0; color: rgba(255,255,255,.68); line-height: 1.65; }
.payment-mark { width: 150px; min-width: 150px; aspect-ratio: 1; display: grid; place-items: center; overflow: hidden; border-radius: 50%; background: var(--gold); color: var(--ink); font-family: Georgia, serif; font-size: 43px; line-height: 1; font-weight: 800; white-space: nowrap; }

.terms { background: var(--paper-dark); }
.terms-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.terms-grid article { min-height: 215px; padding: 23px; border-top: 5px solid var(--green); background: var(--paper); }
.terms-grid b { display: block; min-height: 70px; font-family: Georgia, serif; font-size: 22px; }
.method { background: var(--ink); color: #fff; }
.method .section-heading > p { color: rgba(255,255,255,.64); }
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.method-grid article { min-height: 270px; padding: 24px; border-radius: 18px; background: #1b211c; }
.method-grid article > span { display: block; margin-bottom: 68px; color: var(--gold); text-transform: uppercase; letter-spacing: .12em; font-size: 10px; font-weight: 900; }
.method-grid p { color: rgba(255,255,255,.6); }

.safer { padding: 100px max(5vw, calc((100vw - var(--content)) / 2)); display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; background: var(--red); color: #fff; }
.safer p { color: rgba(255,255,255,.8); line-height: 1.7; }
.safer ul { padding-left: 18px; line-height: 1.95; font-weight: 800; }
.faq { max-width: 1100px; margin: auto; }
.faq h2 { margin-bottom: 38px; }
details { padding: 22px 0; border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-size: 18px; font-weight: 850; }
summary::marker { color: var(--green); }
details p { max-width: 800px; color: var(--muted); line-height: 1.68; }

.sources { padding: 72px max(5vw, calc((100vw - var(--content)) / 2)); display: grid; grid-template-columns: .7fr 1.3fr; gap: 7vw; align-items: start; background: var(--gold); }
.sources h2 { font-size: clamp(34px, 4vw, 54px); }
.source-links { border-top: 1px solid rgba(16,20,16,.3); }
.source-links a { padding: 17px 4px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-bottom: 1px solid rgba(16,20,16,.3); }
.source-links a:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.source-links span { color: rgba(16,20,16,.65); font-size: 13px; }

footer { padding: 54px max(5vw, calc((100vw - var(--content)) / 2)); display: grid; grid-template-columns: .8fr 1.4fr .8fr; gap: 40px; align-items: center; background: #090b09; color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand div { display: flex; flex-direction: column; gap: 4px; }
.footer-brand small, footer > p { color: rgba(255,255,255,.54); font-size: 11px; line-height: 1.6; }
.footer-links { justify-self: end; display: flex; flex-direction: column; gap: 9px; text-align: right; font-size: 11px; font-weight: 800; }

@media (max-width: 1080px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-board { max-width: 720px; }
  .section-heading, .operators, .cashier, .safer, .sources { grid-template-columns: 1fr; }
  .cashier { grid-template-areas: "intro" "cards" "note"; row-gap: 36px; }
  .terms-grid { grid-template-columns: repeat(3, 1fr); }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  footer { grid-template-columns: 1fr; }
  .footer-links { justify-self: start; text-align: left; }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 70px; }
  .site-header { min-height: 68px; padding: 0 20px; }
  .header-link { display: none; }
  .hero, .section, .safer, .sources { padding: 64px 20px; }
  .hero { min-height: 0; }
  h1 { font-size: clamp(46px, 14vw, 62px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .proof-row { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-board { padding: 23px; box-shadow: 12px 14px 0 var(--gold); }
  .check-row { grid-template-columns: 34px 1fr; }
  .check-row em { display: none; }
  .topic-strip { justify-content: flex-start; padding-left: 20px; overflow-x: auto; }
  .section-heading { gap: 24px; }
  .steps, .cashier-grid, .terms-grid, .method-grid { grid-template-columns: 1fr; }
  .steps li, .cashier-grid article { min-height: 215px; }
  .operator-head { display: none; }
  .operator-row { grid-template-columns: 1fr 1fr; }
  .operator-row span:last-child { grid-column: 1 / -1; color: rgba(255,255,255,.62); }
  .field-note { padding: 26px; grid-template-columns: 1fr; }
  .payment-mark { width: 112px; font-size: 41px; }
  .terms-grid article { min-height: 180px; }
  .method-grid article { min-height: 230px; }
  .source-links a { grid-template-columns: 1fr; gap: 5px; }
  footer { padding: 46px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}
