/* Desktop is a single product screen; smaller windows scroll naturally. */
.compact-shell { min-height: 100svh; display: flex; flex-direction: column; }
.compact-shell .header { width: 100%; max-width: 1240px; min-height: 76px; padding: 17px 28px; }
.compact-shell .brand { font-size: 28px; letter-spacing: -1px; gap: 11px; }
.compact-shell .brand-icon { width: 39px; height: 39px; }
.compact-shell .header nav { width: auto; gap: 28px; font-size: 15px; }
.compact-shell main { display: flex; flex: 1; align-items: center; width: 100%; }
.landing-wrap { width: 100%; max-width: 1240px; margin: auto; padding: 18px 28px 10px; }
.landing { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 36px; align-items: center; }
.landing h1 { font-size: clamp(42px, 4.3vw, 62px); line-height: 1.04; letter-spacing: -.055em; }
.landing h1 em { font-family: Georgia, serif; font-weight: 400; }
.landing-summary { font-size: 18px; line-height: 1.5; color: var(--muted); margin-top: 22px; }
.core-features { display: flex; gap: 28px; list-style: none; padding: 0; margin: 26px 0; }
.core-features li { display: grid; gap: 9px; }
.core-features svg { width: 30px; height: 30px; }
.core-features strong { font-size: 14px; font-weight: 500; }
.landing-actions { display: flex; align-items: center; gap: 24px; }
.landing-actions .button { font-size: 18px; gap: 8px; padding: 13px 20px; }
.landing-actions .button span { font-size: 15px; font-weight: 400; }
.landing-actions .button span:last-child { margin-left: 14px; font-size: 22px; }
.landing-actions .text-link { font-size: 15px; }
.landing-price-note { font-size: 13px; margin-top: 14px; color: var(--muted); }
.workbench-example { min-width: 0; margin: 0; }
.workbench-example figcaption { margin-top: 10px; font-size: 12px; color: var(--muted); text-align: center; }
.industry-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; list-style: none; padding: 18px 0; margin: 22px 0 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.industry-list li { display: flex; align-items: center; justify-content: center; gap: 17px; font-size: 16px; line-height: 1.45; }
.industry-list img { width: 72px; height: 60px; flex-shrink: 0; }
.industry-list strong { font-weight: 500; }
.supporting-brands { display: flex; align-items: center; justify-content: center; gap: 32px; padding: 16px 0 7px; }
.supporting-brands img { height: auto; }
.supporting-brands p { font-size: 12px; color: var(--muted); line-height: 1.5; padding-left: 30px; border-left: 1px solid var(--line); }
.supporting-brands p a { text-decoration: underline; text-underline-offset: 3px; }
.compact-footer { width: 100%; max-width: none; padding: 16px 28px; margin: 0; }
.compact-footer-inner { max-width: 1184px; margin: auto; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.compact-footer nav { display: flex; flex-wrap: wrap; gap: 20px; font-size: 12px; }
.compact-footer p { font-size: 12px; color: var(--muted); }
@media (max-width: 1100px) {
  .landing { gap: 28px; }
  .core-features { gap: 16px; }
  .core-features strong { font-size: 13px; }
  .landing-summary { font-size: 16px; }
  .landing-actions { gap: 17px; }
  .landing-actions .button { padding: 12px 15px; }
  .landing-price-note { max-width: 300px; }
}
@media (max-width: 800px) {
  .compact-shell .header { padding: 16px 22px; gap: 18px; flex-wrap: nowrap; }
  .compact-shell .brand { font-size: 22px; gap: 8px; }
  .compact-shell .brand-icon { width: 35px; height: 35px; }
  .compact-shell .header nav { gap: 18px; font-size: 13px; }
  .landing-wrap { padding: 32px 22px 12px; max-width: 600px; }
  .landing { display: flex; flex-direction: column; gap: 32px; align-items: stretch; }
  .landing h1 { font-size: 52px; }
  .landing-summary { font-size: 17px; margin-top: 18px; }
  .core-features { justify-content: space-between; gap: 12px; margin: 25px 0; }
  .core-features strong { font-size: 14px; }
  .landing-actions { gap: 22px; }
  .landing-price-note { max-width: none; line-height: 1.6; }

  .workbench-example figcaption { text-align: left; }
  .industry-list { grid-template-columns: 1fr; gap: 20px; padding: 24px 0; margin-top: 28px; }
  .industry-list li { justify-content: flex-start; gap: 23px; font-size: 18px; }
  .industry-list img { width: 80px; height: 67px; }
  .supporting-brands { flex-wrap: wrap; gap: 20px 28px; padding-top: 24px; }
  .supporting-brands p { border: 0; padding: 0; width: 100%; font-size: 13px; text-align: center; }
  .compact-footer { padding: 20px 22px; }
  .compact-footer-inner { display: block; max-width: 556px; }
  .compact-footer nav { gap: 10px 16px; font-size: 12px; }
  .compact-footer p { margin-top: 13px; }

}
@media (max-width: 370px) {
  .compact-shell .header { padding-left: 16px; padding-right: 16px; }
  .compact-shell .brand { font-size: 19px; }
  .compact-shell .header nav { gap: 10px; font-size: 12px; }
  .landing-wrap { padding-left: 16px; padding-right: 16px; }
  .landing h1 { font-size: 47px; }
  .landing-actions { gap: 16px; }
  .core-features strong { font-size: 13px; }
}

.landing-audience { font-size: 15px; color: var(--muted); margin-bottom: 14px; }
.landing h1 { font-size: clamp(42px, 4vw, 57px); }
.landing-summary { margin-top: 18px; }
.compact-shell .header { flex-wrap: nowrap; }
.compact-shell .header nav { flex-wrap: nowrap; }
html:lang(zh-Hans) .landing h1 { font-size: 48px; line-height: 1.2; }
html:lang(zh-Hans) .landing h1 em { font-style: normal; font-family: inherit; }
html:lang(zh-Hans) .landing-summary { font-size: 17px; line-height: 1.7; }
html:lang(zh-Hans) .brand-name { font-size: 25px; }
html:lang(zh-Hans) .brand-name small { font-size: 14px; }
@media (max-width: 800px) {
  .compact-shell .header nav { gap: 14px; }
  .compact-shell .header .language-switch { padding-left: 12px; }
  .landing h1 { font-size: 48px; }
  html:lang(zh-Hans) .landing h1 { font-size: 45px; }
  html:lang(zh-Hans) .brand-name { font-size: 22px; display: block; line-height: 1.15; }
  html:lang(zh-Hans) .brand-name small { display: block; font-size: 11px; margin-top: 4px; }
}
@media (max-width: 480px) {
  .compact-shell .header nav > a:nth-child(2) { display: none; }
  .landing h1 { font-size: 44px; }
}

/* A complete client phone screen, paired with a merchant's own service catalog. */
.quick-pay { border-left: 2px solid #b5c98a; padding-left: 16px; margin-top: 23px; font-size: 14px; }
.quick-pay strong { font-size: 16px; font-weight: 500; }
.quick-pay p { margin: 3px 0; color: var(--muted); }
.quick-pay a { text-decoration: underline; text-underline-offset: 4px; font-size: 13px; }
.concept-stage { position: relative; min-height: 540px; isolation: isolate; }
.concept-orbit { position: absolute; inset: 50px 10px 70px; border-radius: 50%; background: #eaf0dd; z-index: -1; }
.studio-card { position: absolute; width: 335px; top: 65px; left: 0; border: 1px solid #d4dccb; background: #f4f5ed; border-radius: 16px; padding: 22px; box-shadow: 0 16px 35px #173e350a; }
.studio-brand { display: flex; align-items: center; gap: 8px; font-size: 17px; }
.studio-brand > span { margin-left: auto; letter-spacing: 2px; }
.studio-label { font-size: 12px; color: var(--muted); margin: 22px 0 3px; }
.studio-card h2 { font: 500 26px/1.25 'Helpful Sans', sans-serif; letter-spacing: -.7px; margin-bottom: 20px; }
.catalog-item { display: flex; align-items: center; gap: 10px; padding: 13px 0; border-top: 1px solid #dce1d8; }
.catalog-item img, .catalog-glyph { width: 44px; height: 42px; flex-shrink: 0; }
.catalog-glyph { border-radius: 10px; display: grid; place-items: center; font: 25px Georgia, serif; background: #e6ebda; }
.catalog-item strong { display: block; font-size: 14px; font-weight: 500; }
.catalog-item div span { display: block; font-size: 11px; color: var(--muted); }
.catalog-item b { margin-left: auto; font-weight: 400; }
.sent-note { display: flex; gap: 8px; align-items: center; padding-top: 16px; font-size: 12px; }
.sent-note svg { width: 20px; height: 20px; flex-shrink: 0; }
.concept-phone { position: relative; margin-left: auto; margin-right: 12px; width: 278px; min-height: 478px; border: 6px solid #20473d; border-radius: 38px; background: #fffefb; box-shadow: 0 22px 45px #173e3524, 0 0 0 1px #93a28b; padding: 0 17px 24px; }
.phone-status { position: relative; display: flex; align-items: center; justify-content: space-between; height: 37px; font-size: 11px; font-weight: 600; padding: 0 6px; }
.phone-island { background: #20473d; width: 72px; height: 17px; border-radius: 20px; }
.phone-merchant { display: flex; align-items: center; gap: 8px; font-size: 12px; border-bottom: 1px solid var(--line); padding: 8px 0 13px; }
.phone-merchant strong { font-weight: 500; }
.phone-merchant > span:last-child { margin-left: auto; }
.merchant-monogram { display: grid; place-items: center; border: 1px solid #aebc93; border-radius: 50%; width: 28px; height: 28px; font: italic 18px Georgia, serif; background: var(--lime); }
.phone-panel { animation: demo-enter .45s ease-out; }
.phone-panel[hidden], .demo-controls[hidden], .demo-action[hidden] { display: none; }
.phone-kicker { margin: 14px 0 6px; font-size: 11px; color: var(--muted); }
.phone-panel h3 { font: 500 25px/1.12 'Helpful Sans', sans-serif; letter-spacing: -.7px; margin: 0 0 12px; }
.project-art { background: #eff2e5; border-radius: 8px; padding: 8px 10px 0; margin-bottom: 8px; }
.project-art svg { display: block; width: 100%; height: 72px; }
.quote-line, .quote-total { display: flex; justify-content: space-between; align-items: center; font-size: 11px; padding: 6px 0; gap: 8px; }
.quote-line strong { font-weight: 500; }
.quote-total { border-top: 1px solid var(--line); margin-top: 4px; font-size: 13px; padding-top: 9px; }
.phone-note { font-size: 10px; line-height: 1.5; color: var(--muted); margin: 7px 0 12px; }
.demo-action { width: 100%; background: var(--ink); color: white; border: 0; border-radius: 9px; padding: 11px 6px; font-family: inherit; font-size: 12px; font-weight: 500; line-height: 1.4; cursor: pointer; }
.phone-home { position: absolute; bottom: 9px; left: calc(50% - 40px); width: 80px; height: 4px; border-radius: 3px; background: #20473d; }
.agreement-lines { margin: 16px 0; }
.agreement-lines p { font-size: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.agreement-lines b { font-weight: 400; color: #82916e; padding-right: 7px; }
.signature-box { background: #f0f3e6; border: 1px dashed #9cac82; border-radius: 9px; padding: 8px 12px; }
.signature-box span { display: block; font-size: 10px; color: var(--muted); }
.signature-box svg { display: block; width: 100%; height: 54px; }
.signature-box path { stroke-dasharray: 400; stroke-dashoffset: 0; animation: signature-draw 1.5s ease-out; }
.deposit-amount { margin: 19px 0 4px; }
.deposit-amount > span { display: block; font-size: 12px; color: var(--muted); }
.deposit-amount strong { display: block; font-size: 39px; line-height: 1.3; letter-spacing: -1px; font-weight: 500; }
.deposit-amount strong span { font-size: 25px; }
.payment-options { list-style: none; padding: 0; margin: 17px 0 8px; display: grid; gap: 8px; }
.payment-options li { border: 1px solid var(--line); border-radius: 9px; padding: 10px; text-align: center; font-size: 12px; }
.payment-options li.wallet-option { background: var(--ink); color: white; border-color: var(--ink); font-size: 16px; font-weight: 500; }
.demo-controls { position: absolute; bottom: 0; left: 0; right: 0; display: flex; gap: 16px; justify-content: center; align-items: center; }
.demo-steps { display: flex; gap: 4px; background: #e9eddf; border-radius: 30px; padding: 4px; }
.demo-steps button { display: flex; gap: 7px; align-items: center; border: 0; border-radius: 24px; padding: 9px 13px; background: transparent; color: var(--muted); font: inherit; font-size: 12px; cursor: pointer; }
.demo-steps button[aria-pressed="true"] { background: var(--ink); color: white; }
.demo-steps button span { font-size: 10px; opacity: .7; }
.demo-toggle { border: 0; background: transparent; color: var(--ink); font: inherit; font-size: 12px; padding: 10px 0; cursor: pointer; min-width: 42px; }
.concept-stage button:focus-visible { outline: 2px solid #66814a; outline-offset: 3px; }
@keyframes demo-enter { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: translateY(0); } }
@keyframes signature-draw { from { stroke-dashoffset: 400; } to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) { .phone-panel, .signature-box path { animation: none; } }
html:lang(zh-Hans) .phone-panel h3 { font-size: 24px; line-height: 1.2; }
html:lang(zh-Hans) .concept-stage p { line-height: 1.5; }
@media (min-width: 801px) and (max-width: 1100px) {
  .studio-card { width: 275px; padding: 16px; }
  .concept-phone { margin-right: 0; width: 254px; }
  .landing h1 { font-size: 45px; }
}
@media (max-width: 800px) {
  .concept-stage { max-width: 550px; margin: auto; min-height: 540px; }
  .studio-card { width: 300px; }
  .concept-phone { margin-right: 0; }
  .quick-pay { margin-top: 22px; }
}
@media (max-width: 480px) {
  .concept-stage { min-height: 545px; }
  .studio-card { display: none; }
  .concept-phone { margin: auto; }
  .concept-orbit { inset: 45px -5px 85px; }
  .demo-controls { gap: 10px; }
  .demo-steps button { padding: 9px 10px; }
  .workbench-example figcaption { text-align: center; font-size: 11px; }
}
@media (min-width: 801px) {
  .landing-wrap { padding-top: 14px; }
  .landing-summary { margin-top: 14px; }
  .core-features { margin: 18px 0; }
  .core-features li { gap: 6px; }
  .landing-price-note { margin-top: 10px; }
  .quick-pay { margin-top: 17px; }
  .industry-list { margin-top: 14px; padding: 9px 0; }
  .supporting-brands { padding-top: 12px; padding-bottom: 4px; }
  .compact-footer { padding-top: 12px; padding-bottom: 12px; }
}

.payment-logos { display: flex; align-items: center; gap: 7px; margin: 7px 0 6px; }
.payment-logos img { display: block; width: 52px; height: 34px; object-fit: contain; }
@media (max-width: 1100px) and (min-width: 801px) { .payment-logos { gap: 5px; } .payment-logos img { width: 43px; height: 29px; } }
@media (max-width: 370px) { .payment-logos { flex-wrap: wrap; max-width: 220px; } }

/* Fictional event studio: a specific project, with the full phone kept in view. */
.studio-brand { font-size: 15px; }
.studio-card h2 { font-size: 23px; }
.project-art { padding: 0; overflow: hidden; }
.project-art img { display: block; width: 100%; height: 80px; object-fit: contain; }
.workbench-example figcaption a { text-decoration: underline; text-underline-offset: 3px; }
.concept-stage { min-height: 552px; }
.concept-phone { min-height: 496px; }
.agreement-lines p { margin: 0; line-height: 1.5; }
.deposit-amount { margin-top: 12px; }
.payment-options li { padding: 8px; line-height: 1.3; }
.agreement-lines { margin: 12px 0; }
.agreement-lines p { padding: 8px 0; }
.signature-box svg { height: 40px; }

.footer-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: center; gap: 8px 18px; font-size: 12px; color: var(--muted); }
.footer-meta .technology-note { font-size: 11px; }
@media (max-width: 800px) { .footer-meta { justify-content: flex-start; margin-top: 14px; } }
@media (max-width: 480px) { .compact-shell .header nav > a:nth-child(2) { display: inline; } }