:root{--bg:#f7f8f5;--surface:#ffffff;--ink:#111827;--muted:#5f6b66;--line:#e3e8e5;--accent:#0b8f62;--accent-dark:#066647;--tint:#eaf7f1;--accent-rgb:11,143,98;--code:#142323;--code-ink:#dae9e4;--tron:#ef233c;--warning:#a65d08;--danger:#b63e43;--radius:18px;--shadow:0 12px 40px rgba(21,45,33,.055)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a,input,summary{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}svg{width:20px;height:20px;flex-shrink:0}img{max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.15;letter-spacing:-.04em}h1{font-size:clamp(38px,4.4vw,64px);font-weight:750}h2{font-size:clamp(30px,3vw,43px);font-weight:720}h3{font-size:19px;letter-spacing:-.025em}p{color:var(--muted)}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}::selection{background:var(--tint);color:var(--ink)}.container{width:min(1456px,calc(100% - 88px));margin-inline:auto}.skip{position:absolute;left:20px;top:-100px;background:var(--surface);padding:12px;z-index:100}.skip:focus{top:15px}.site-header{height:84px;border-bottom:1px solid var(--line);background:var(--surface);position:relative;z-index:20}.header-inner{height:100%;display:flex;align-items:center;gap:40px}.brand{display:inline-flex;align-items:center;gap:9px;font-size:27px;font-weight:780;letter-spacing:-1.2px;color:var(--ink)}.brand svg{width:31px;height:34px;color:var(--accent)}.nav-links{display:flex;gap:29px;margin-left:auto;align-items:center}.nav-links a{font-size:14px;font-weight:550;color:var(--muted)}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--accent)}.header-actions{display:flex;gap:9px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:10px 19px;border:1px solid var(--line);border-radius:9px;background:var(--surface);font-size:14px;line-height:1.4;font-weight:650;color:var(--ink);transition:background .18s,transform .18s,box-shadow .18s}.button:hover{border-color:var(--accent);box-shadow:0 3px 9px rgba(var(--accent-rgb),.09);transform:translateY(-1px)}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.button.primary:hover{background:var(--accent-dark)}.button.soft{background:var(--tint);border-color:rgba(var(--accent-rgb),.18);color:var(--accent-dark)}.button.small{min-height:34px;padding:6px 10px;font-size:12px;border-radius:7px}.icon-button{width:42px;padding:0;min-height:42px}.menu-button{display:none}.eyebrow{font-size:11px;font-weight:750;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:9px}.eyebrow:before{content:"";width:6px;height:6px;background:var(--accent);border-radius:50%}.hero{padding:62px 0 49px;position:relative}.hero-grid{display:grid;grid-template-columns:minmax(260px,.82fr) minmax(370px,1.23fr) minmax(300px,.94fr);gap:32px;align-items:center}.hero-copy{grid-column:2;grid-row:1;text-align:center;align-self:center}.hero-copy .eyebrow{justify-content:center;font-size:10px;margin-bottom:19px;letter-spacing:.11em}.hero-copy h1{font-size:clamp(38px,3.8vw,57px);line-height:1.07;letter-spacing:-.052em}.hero-copy h1 em{display:block;color:var(--accent);font-style:normal}.hero-lead{font-size:16px;line-height:1.7;margin:22px auto 23px;max-width:470px}.cta-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.hero-trust{font-size:12px;margin-top:14px;display:flex;align-items:center;justify-content:center;gap:6px}.hero-trust svg{width:15px;color:var(--accent)}.pills{display:flex;justify-content:center;gap:7px;flex-wrap:wrap;margin-top:25px}.pill{display:inline-flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:7px;padding:6px 9px;background:var(--surface);font-size:11px;font-weight:600;white-space:nowrap}.pill svg{width:15px;height:15px;color:var(--accent)}.pill.tron svg,.network svg{color:var(--tron)}.hero-mini-flows{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:25px;text-align:left}.mini-flow{border-radius:12px;background:var(--tint);padding:16px 14px}.mini-flow.data{background:var(--surface);border:1px solid var(--line)}.mini-flow h3{font-size:14px;margin-bottom:5px}.mini-flow p{font-size:11px;line-height:1.6}.mini-path{display:flex;align-items:center;justify-content:space-between;margin-top:16px;gap:6px;color:var(--accent)}.mini-path .node{width:34px;height:34px;background:var(--surface);border:1px solid var(--line);border-radius:50%;display:grid;place-items:center}.mini-path .node svg{width:16px}.mini-flow.data .mini-path .node{width:30px;height:30px}.mini-path .arrow{font-size:17px}.direct-note{margin-top:15px;font-size:11px;text-align:center;color:var(--muted)}.hero-checkout{grid-column:1;grid-row:1;min-width:0}.preview-window{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}.window-chrome{display:flex;align-items:center;gap:7px;padding:12px 13px;background:var(--bg);border-bottom:1px solid var(--line)}.window-dots{display:flex;gap:4px}.window-dots i{width:6px;height:6px;background:#ef9c99;border-radius:50%}.window-dots i:nth-child(2){background:#e2c16b}.window-dots i:nth-child(3){background:#8dc6aa}.window-url{margin:auto;font-size:10px;color:var(--muted)}.window-chrome svg{width:13px;height:13px}.preview-body{padding:20px 21px 16px}.preview-merchant{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line);padding-bottom:17px}.merchant-icon{width:35px;height:35px;display:grid;place-items:center;border-radius:9px;color:var(--accent);background:var(--tint)}.preview-merchant strong{display:block;font-size:13px}.preview-merchant p{font-size:10px}.preview-amount{text-align:center;padding-top:19px}.preview-amount p{font-size:11px}.preview-amount strong{display:block;font-size:29px;letter-spacing:-.04em;line-height:1.5}.network{display:inline-flex;align-items:center;justify-content:center;gap:5px;border:1px solid var(--line);background:var(--bg);border-radius:30px;font-size:10px;padding:3px 8px;color:var(--muted);white-space:nowrap}.network svg{width:12px;height:12px}.preview-qr{width:134px;height:134px;margin:16px auto;background:white;padding:5px}.preview-qr img,.preview-qr 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infinite}.powered{font-size:9px;text-align:center;margin-top:11px;color:var(--muted)}.demo-link{display:flex;width:100%;margin-top:12px;font-size:12px;min-height:40px}.demo-caption{font-size:10px;text-align:center;margin-top:8px}.hero-code{grid-column:3;grid-row:1;min-width:0}.code-panel{background:var(--code);color:var(--code-ink);border:1px solid #2f4240;border-radius:13px;overflow:hidden;box-shadow:0 14px 40px rgba(20,35,35,.12)}.code-heading{padding:19px 18px 13px;display:flex;align-items:center;justify-content:space-between;gap:8px}.code-heading h3{font-size:16px;color:#f4fbf8;letter-spacing:-.02em}.code-label{padding:3px 7px;font:9px/1.5 monospace;letter-spacing:.05em;border-radius:5px;background:#263735;color:#bdd0ca}.code-tabs{display:flex;gap:18px;padding:0 18px;border-bottom:1px solid #304340}.code-tabs button{padding:8px 0 10px;border:0;border-bottom:2px solid transparent;color:#95aaa3;font-size:11px;background:none}.code-tabs button[aria-selected=true]{color:#e3f8ee;border-color:#8fddbc}.code-content{position:relative;margin:13px 12px;padding:16px 12px;background:#101e1f;border:1px solid #2a3b39;border-radius:8px}.code-content pre,pre.code{margin:0;white-space:pre;overflow:auto;max-width:100%;font:11px/1.85 "SFMono-Regular",Consolas,"Liberation Mono",monospace;scrollbar-width:thin;tab-size:2;color:#dae9e4;padding-bottom:4px}.code-content pre{padding-top:4px;min-height:246px}.code-copy{position:absolute;right:8px;top:8px;border:1px solid #3e514e;background:#203331;color:#c8dcd3;border-radius:5px;width:26px;height:26px;display:grid;place-items:center}.code-copy svg{width:12px;height:12px}.syntax-key{color:#ffc982}.syntax-string{color:#91dbb6}.syntax-comment{color:#7f9e93}.response-bar{display:flex;justify-content:space-between;font-size:10px;padding:0 17px;color:#9ab5aa}.response-bar span:last-child{color:#91dbb6}.response-content pre{min-height:0;font-size:10px;line-height:1.8}.code-success{border:1px solid 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h3{font-size:17px;margin-bottom:9px}.feature-card p{font-size:13px;line-height:1.8}.step{position:relative;padding:0 19px 0 0}.step-number{display:flex;align-items:center;gap:12px;font:11px/1 monospace;color:var(--muted);margin-bottom:21px}.step-number span{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--accent);font-size:12px;font-weight:700}.step:not(:last-child):after{content:"";position:absolute;height:1px;top:19px;left:98px;right:13px;background:var(--line)}.step h3{font-size:17px;margin-bottom:9px}.step p{font-size:13px}.flows{display:grid;grid-template-columns:1fr 1fr;gap:22px}.flow-card{padding:29px;border:1px solid var(--line);border-radius:15px;background:var(--surface)}.flow-card.money{background:var(--tint)}.flow-card h3{font-size:19px;margin-bottom:7px}.flow-card p{font-size:13px}.flow-path{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:32px 0 14px}.flow-node{display:flex;align-items:center;flex-direction:column;gap:9px;flex:1;text-align:center;font-size:11px;font-weight:600}.flow-node svg{width:27px;height:27px;padding:13px;box-sizing:content-box;border:1px solid var(--line);background:var(--surface);border-radius:14px;color:var(--accent)}.flow-arrow{color:var(--accent);font-size:22px;position:relative}.flow-arrow:after{content:"";position:absolute;width:4px;height:4px;background:var(--accent);border-radius:50%;left:0;top:10px;animation:travel 4s ease-in-out infinite}.flow-footnote{font-size:11px;padding-top:15px;border-top:1px solid var(--line)}.security-block{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:start}.security-block .button{margin-top:23px}.security-items{display:grid;grid-template-columns:1fr 1fr;gap:27px}.security-item svg{color:var(--accent);margin-bottom:10px}.security-item h3{font-size:16px;margin-bottom:8px}.security-item p{font-size:13px}.beta-callout{display:flex;align-items:center;justify-content:space-between;gap:25px;background:var(--tint);border:1px solid rgba(var(--accent-rgb),.15);border-radius:15px;padding:28px 32px;margin-top:55px}.beta-callout h3{font-size:21px;margin-bottom:6px}.beta-callout p{font-size:13px}.site-footer{padding:40px 0 25px;border-top:1px solid var(--line);background:var(--surface)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:25px}.footer-grid .brand{font-size:23px}.footer-grid p{font-size:12px;max-width:260px;margin-top:10px}.footer-column strong{font-size:12px;display:block;margin-bottom:12px}.footer-column a{display:block;font-size:12px;color:var(--muted);margin:7px 0}.footer-column a:hover{color:var(--accent)}.footer-bottom{display:flex;justify-content:space-between;margin-top:33px;padding-top:18px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.enter{animation:enter .65s ease-out both}.enter-delay{animation-delay:.09s}.enter-late{animation-delay:.18s}@keyframes enter{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}@keyframes breathe{50%{box-shadow:0 0 0 4px rgba(var(--accent-rgb),.12)}}@keyframes travel{0%,20%{transform:translateX(0);opacity:0}35%{opacity:1}70%{transform:translateX(17px);opacity:0}100%{opacity:0}}
/* Palette lab is shared by landing, checkout and docs. */
.palette-dialog{width:min(430px,calc(100% - 30px));border:1px solid var(--line);padding:0;border-radius:18px;background:var(--surface);color:var(--ink);box-shadow:0 20px 80px #0003;max-height:85dvh;overflow:auto}.palette-dialog::backdrop{background:#14232355;backdrop-filter:blur(3px)}.palette-head{padding:22px 23px 16px;display:flex;align-items:start;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line)}.palette-head h2{font-size:21px;letter-spacing:-.025em}.palette-head p{font-size:12px;margin-top:5px}.palette-body{padding:19px 23px 23px}.palette-presets{display:grid;grid-template-columns:1fr 1fr;gap:8px}.palette-preset{display:flex;align-items:center;gap:8px;min-height:44px;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:8px 10px;font-size:12px}.palette-preset[aria-pressed=true]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.swatch{width:15px;height:15px;border-radius:50%;background:var(--swatch)}.palette-fields{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:22px 0}.palette-field{display:flex;align-items:center;justify-content:space-between;font-size:12px;gap:8px}.palette-field input{padding:0;width:30px;height:30px;border:1px solid var(--line);border-radius:5px;background:none;cursor:pointer}.palette-actions{display:flex;gap:8px;flex-wrap:wrap}.palette-note{font-size:11px;margin:12px 0 0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.notice{padding:14px 17px;border:1px solid var(--line);background:var(--tint);border-radius:10px;font-size:13px;margin:22px 0}.notice p{color:var(--ink)}
/* Focused checkout; API state remains the authority. */
.checkout-page{min-height:100dvh}.checkout-top{width:min(970px,calc(100% - 40px));margin:0 auto;height:91px;display:flex;align-items:center;justify-content:space-between}.checkout-top .brand{font-size:24px}.checkout-top-actions{display:flex;gap:8px;align-items:center}.language-link{font-size:12px;color:var(--muted);padding:7px}.checkout-main{width:min(466px,calc(100% - 32px));margin:10px auto 46px}.demo-banner{display:flex;align-items:center;gap:10px;background:var(--tint);border:1px solid rgba(var(--accent-rgb),.17);border-radius:10px;padding:12px 15px;margin-bottom:14px;font-size:12px}.demo-banner svg{color:var(--accent)}.demo-banner strong{display:block}.demo-banner p{font-size:11px}.demo-controls{display:flex;border:1px solid var(--line);padding:4px;border-radius:9px;background:var(--surface);margin-bottom:15px;gap:4px}.demo-controls button{flex:1;padding:8px 4px;border:0;border-radius:6px;background:none;color:var(--muted);font-size:12px}.demo-controls button[aria-pressed=true]{background:var(--tint);color:var(--accent-dark)}.checkout-card{padding:29px 30px 24px;border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow)}.checkout-product{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:21px}.checkout-product h1{font-size:16px;line-height:1.4;letter-spacing:-.015em;font-weight:650;overflow-wrap:anywhere}.checkout-product p{font-size:12px}.checkout-product .merchant-icon{height:42px;width:42px}.checkout-amount{text-align:center;padding:24px 0 17px}.checkout-amount p{font-size:12px}.checkout-amount h2{font-size:43px;letter-spacing:-.04em;margin:7px 0 13px;overflow-wrap:anywhere}.checkout-amount h2 span:last-child{font-size:19px;letter-spacing:-.02em}.checkout-qr{display:grid;place-items:center;padding:10px 0 18px}.checkout-qr-box{padding:12px;background:#fff;border:1px solid var(--line);border-radius:11px;width:210px;height:210px}.qr-box{width:184px;height:184px}.qr-box img,.qr-box canvas{display:block;width:184px!important;height:184px!important}.qr-hint{text-align:center;font-size:11px;margin-bottom:18px}.checkout-field{margin-bottom:14px}.checkout-field .field-label{font-size:12px}.field-value{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:9px;background:var(--bg);padding:11px 12px;min-height:49px}.field-value code{font:12px/1.7 "SFMono-Regular",Consolas,monospace;overflow-wrap:anywhere;min-width:0;flex:1}.copy-button{display:flex;align-items:center;justify-content:center;gap:5px;min-height:30px;font-size:11px;padding:3px 6px;color:var(--muted);border:0;background:none;flex-shrink:0}.copy-button svg{width:15px;height:15px}.copy-button:hover{color:var(--accent)}.checkout-status{padding:15px;background:var(--tint);border:1px solid rgba(var(--accent-rgb),.15);border-radius:10px;display:flex;align-items:flex-start;gap:11px;margin-top:19px;color:var(--accent-dark)}.checkout-status h3{font-size:13px;letter-spacing:0;line-height:1.5}.checkout-status p{font-size:11px;line-height:1.6;margin-top:3px}.checkout-status .status-icon{width:22px;height:22px;display:grid;place-items:center;flex-shrink:0}.checkout-status[data-state=PAID] .status-icon{border-radius:50%;background:var(--accent);color:white}.checkout-status[data-state=EXPIRED],.checkout-status[data-state=CANCELED],.checkout-status[data-state=REVIEW]{background:#fbf4e8;border-color:#ead7b5;color:#875a16}.checkout-status[data-state=ERROR]{background:#fbefef;border-color:#eacccd;color:var(--danger)}.checkout-timer{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px;margin:15px 0 0}.checkout-timer strong{font:12px/1 monospace;color:var(--ink);font-variant-numeric:tabular-nums}.checkout-note{border-top:1px solid var(--line);padding-top:17px;margin-top:18px;font-size:11px;text-align:center}.checkout-note strong{color:var(--ink);font-weight:550}.copy-state{font-size:11px;min-height:18px;margin-top:7px;color:var(--accent);text-align:center}.checkout-bottom{text-align:center;padding:19px 0 0;font-size:11px;color:var(--muted)}.checkout-bottom a{font-weight:650;color:var(--accent)}.checkout-id{text-align:center;font:9px/1.5 monospace;color:var(--muted);overflow-wrap:anywhere;margin-top:10px}.checkout-visual-state{display:grid;place-items:center;height:165px;text-align:center;padding:15px}.checkout-visual-state svg{width:53px;height:53px;color:var(--accent);margin-bottom:10px}.checkout-visual-state p{font-size:12px}.checkout-visual-state[data-state=EXPIRED] svg{color:var(--warning)}[hidden]{display:none!important}
/* Static, versioned API documentation. */
.docs-layout{display:grid;grid-template-columns:205px minmax(0,770px) 165px;gap:45px;max-width:1260px;margin:0 auto;padding:47px 30px 80px}.docs-nav{position:sticky;top:25px;align-self:start}.docs-nav h2{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:8px 0 17px}.docs-nav a{display:flex;gap:10px;align-items:center;padding:10px 13px;margin:3px 0;border-radius:8px;color:var(--muted);font-size:13px}.docs-nav a svg{width:16px;height:16px}.docs-nav a:hover{color:var(--accent)}.docs-nav a[aria-current=page]{background:var(--tint);color:var(--accent-dark);font-weight:650}.docs-nav .docs-base{font:10px/1.8 monospace;padding:16px 12px;margin-top:25px;border-top:1px solid var(--line);color:var(--muted);overflow-wrap:anywhere}.docs-nav-mobile{display:none}.docs-content{min-width:0}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:17px}.breadcrumb a{color:var(--accent)}.docs-content h1{font-size:43px;letter-spacing:-.045em;margin-bottom:18px}.docs-lead{font-size:17px;line-height:1.75;margin-bottom:33px}.docs-content h2{font-size:25px;margin:38px 0 15px;letter-spacing:-.025em;scroll-margin-top:30px}.docs-content h3{font-size:18px;margin:24px 0 10px}.docs-content p{margin:12px 0;font-size:14px}.docs-content p a,.docs-content li a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.docs-content ul,.docs-content ol{padding-left:23px;margin:14px 0;color:var(--muted);font-size:14px}.docs-content li{padding:5px 0}.docs-content code:not(pre code){font:12px/1.5 monospace;padding:2px 5px;background:var(--tint);color:var(--accent-dark);border-radius:4px;overflow-wrap:anywhere}.doc-code{position:relative;border-radius:11px;border:1px solid #2f4240;background:var(--code);padding:19px 20px;margin:18px 0}.doc-code pre{font-size:12px;line-height:1.8}.doc-code .code-copy{top:12px;right:12px;width:29px;height:29px}.doc-code-label{font:10px/1.5 monospace;color:#a4beb3;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}.docs-cards{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:25px 0}.docs-card{padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.docs-card:hover{border-color:var(--accent)}.docs-card svg{color:var(--accent);margin-bottom:10px}.docs-card h3{font-size:16px;margin:0 0 7px}.docs-card p{font-size:12px;margin:0}.docs-toc{position:sticky;top:30px;align-self:start;border-left:1px solid var(--line);padding-left:18px}.docs-toc strong{font-size:11px;font-weight:600}.docs-toc a{display:block;font-size:11px;color:var(--muted);margin:13px 0;line-height:1.7}.docs-toc a:hover{color:var(--accent)}.table-scroll{overflow:auto;margin:20px 0;border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;width:100%;font-size:12px;background:var(--surface)}td,th{padding:13px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{background:var(--tint);font-weight:600;white-space:nowrap}tr:last-child td{border:0}td{color:var(--muted)}.endpoint{display:flex;align-items:center;gap:10px;padding:14px 17px;border:1px solid var(--line);border-radius:9px;background:var(--surface);font:12px/1.5 monospace;margin:18px 0;overflow-wrap:anywhere}.method{background:var(--tint);color:var(--accent-dark);font-size:10px;font-weight:700;border-radius:4px;padding:4px 6px;flex-shrink:0}.docs-next{display:flex;align-items:center;justify-content:space-between;padding:20px;border:1px solid var(--line);border-radius:10px;margin-top:40px;background:var(--surface);font-size:13px}.docs-next svg{color:var(--accent)}.security-page{max-width:850px;padding:65px 0 85px}.security-page h1{margin:17px 0}.security-page .intro{font-size:18px}.security-public-card{padding:29px;border:1px solid var(--line);border-radius:14px;background:var(--surface);margin:19px 0}.security-public-card svg{color:var(--accent);margin-bottom:12px}.security-public-card h2{font-size:22px;margin-bottom:12px}.security-public-card p{font-size:14px}.security-public-card a{color:var(--accent);text-decoration:underline}
@media(min-width:1600px){.hero{padding-top:75px;padding-bottom:64px}.hero-grid{gap:38px}.preview-body{padding:23px 25px}.code-content pre{font-size:12px}.response-content pre{font-size:11px}}
@media(max-width:1190px){.container{width:calc(100% - 48px)}.hero-grid{grid-template-columns:minmax(250px,.8fr) minmax(320px,1fr);gap:30px}.hero-copy{grid-column:2;grid-row:1}.hero-checkout{grid-column:1;grid-row:1 / span 2}.hero-code{grid-column:2;grid-row:2}.hero-code .code-content pre{min-height:0}.hero-mini-flows{display:none}.hero-copy h1{font-size:44px}.hero-lead{font-size:15px}.direct-note{margin-top:15px}.code-content pre{font-size:11px}.hero-code .response-content{margin-bottom:12px}.hero-code .code-success{display:none}.section{padding:65px 0}.feature-card{padding:23px 18px}.docs-layout{grid-template-columns:190px minmax(0,1fr);gap:33px;padding-inline:25px}.docs-toc{display:none}}
@media(max-width:760px){.container{width:calc(100% - 36px)}.site-header{height:71px}.header-inner{gap:12px}.brand{font-size:25px}.brand svg{width:27px}.header-actions{margin-left:auto}.header-actions>.button.soft{display:none}.menu-button{display:flex}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);padding:20px 23px;gap:17px;flex-direction:column;align-items:flex-start;box-shadow:var(--shadow)}.nav-links.is-open{display:flex}.nav-links a{padding:7px 0;width:100%}.hero{padding:36px 0 45px}.hero-grid{display:flex;flex-direction:column;gap:29px}.hero-copy{order:0;width:100%}.hero-copy .eyebrow{font-size:9px;margin-bottom:17px}.hero-copy h1{font-size:clamp(37px,8vw,53px);line-height:1.1;max-width:580px;margin:auto}.hero-lead{font-size:15px;max-width:440px;margin:19px auto 21px}.hero-copy .cta-row .button{min-height:47px}.hero-trust{font-size:11px}.pills{margin-top:19px;gap:6px}.pill{font-size:10px;padding:6px 8px}.hero-checkout{order:1;width:min(100%,380px)}.preview-body{padding:22px 24px}.preview-amount strong{font-size:32px}.preview-qr{width:154px;height:154px}.preview-qr img,.preview-qr canvas{width:144px!important;height:144px!important}.preview-field{font-size:12px;padding:10px}.preview-merchant strong{font-size:15px}.preview-merchant p{font-size:11px}.preview-status{font-size:12px}.preview-status p{font-size:10px}.hero-code{order:2;width:min(100%,500px)}.hero-code .code-content pre{font-size:11px;min-height:0}.direct-note{display:none}.section{padding:47px 0}.section-heading{margin-bottom:27px}.section-heading p{font-size:14px}.section-heading h2{font-size:31px}.feature-grid{grid-template-columns:1fr 1fr;gap:12px}.feature-card{padding:21px 17px}.feature-icon{margin-bottom:17px}.feature-card h3{font-size:16px}.feature-card p{font-size:12px}.steps{grid-template-columns:1fr 1fr;gap:28px 19px}.step:not(:last-child):after{display:none}.step-number{margin-bottom:15px}.step h3{font-size:16px}.step p{font-size:12px}.flows{grid-template-columns:1fr;gap:15px}.flow-card{padding:23px}.flow-node{font-size:10px}.flow-node svg{width:22px;height:22px;padding:10px}.flow-path{gap:5px;margin:25px 0 15px}.security-block{grid-template-columns:1fr;gap:12px}.security-items{gap:24px 20px}.security-item h3{font-size:15px}.security-item p{font-size:12px}.beta-callout{flex-direction:column;align-items:flex-start;padding:23px;margin-top:33px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1 / -1}.footer-bottom{gap:15px;flex-wrap:wrap}.docs-layout{display:block;padding:24px 20px 55px}.docs-nav{position:static;margin-bottom:27px}.docs-nav h2,.docs-nav .docs-base{display:none}.docs-nav-links{display:flex;gap:5px;overflow:auto;padding-bottom:6px;scrollbar-width:thin}.docs-nav a{flex-shrink:0;white-space:nowrap;padding:8px 12px;margin:0;font-size:12px;border:1px solid var(--line)}.docs-nav a svg{display:none}.docs-content h1{font-size:35px}.docs-lead{font-size:16px}.docs-content h2{font-size:23px}.docs-cards{grid-template-columns:1fr}.doc-code{padding:17px 14px}.doc-code pre{font-size:11px}.security-page{padding:40px 0 50px}.security-public-card{padding:23px}.security-page h1{font-size:39px}.checkout-top{height:73px}.checkout-main{margin-top:7px}.checkout-card{padding:24px 22px 20px;border-radius:16px}.checkout-amount h2{font-size:40px}.checkout-top-actions{gap:2px}}
@media(max-width:360px){.container{width:calc(100% - 28px)}.hero-copy h1{font-size:35px}.cta-row{flex-direction:column}.cta-row .button{width:100%}.pills .pill{font-size:9px}.feature-grid,.steps{grid-template-columns:1fr}.security-items{grid-template-columns:1fr}.field-value{padding:10px;gap:4px}.field-value code{font-size:11px}.checkout-card{padding:21px 17px}.flow-node svg{padding:7px;width:18px;height:18px}.flow-arrow{font-size:16px}.flow-card{padding:19px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.enter{opacity:1;transform:none}}
/* Readable small text and contained code across all preset palettes. */
.button.primary{background:var(--accent-dark);border-color:var(--accent-dark)}.button.primary:hover{background:var(--accent-dark);filter:brightness(.94)}.eyebrow,.copy-state,.docs-content p a,.docs-content li a,.security-public-card a,.language-link:hover,.checkout-bottom a,.docs-card:hover h3{color:var(--accent-dark)}.code-content pre{max-height:290px}.response-content pre{max-height:155px}.icon-tron{color:var(--tron)!important}.checkout-visual-state #visual-state-icon{font-size:54px;line-height:1.2;color:var(--accent);margin-bottom:10px}.checkout-visual-state[data-state=EXPIRED] #visual-state-icon{color:var(--warning)}.code-copy[data-copied=true] svg{display:none}.code-copy[data-copied=true]:after{content:'✓';color:#a1e9c5}.window-url{display:inline-flex;align-items:center;gap:5px}
.step-number span,.breadcrumb a,.nav-links a[aria-current=page],.nav-links a:hover{color:var(--accent-dark)}
.breadcrumb a{text-decoration:underline;text-underline-offset:3px}.notice a{text-decoration:underline;text-underline-offset:3px}
/* Keep the payment essentials together without shrinking the QR. */
.checkout-card{padding:24px 27px 20px}.checkout-product{padding-bottom:15px}.checkout-amount{padding:17px 0 12px}.checkout-amount h2{margin:5px 0 10px}.checkout-qr{padding:4px 0 11px}.checkout-qr-box{padding:8px;width:202px;height:202px}.qr-hint{margin-bottom:12px}.checkout-field{margin-bottom:10px}.checkout-status{margin-top:14px;padding:12px 14px}.checkout-timer{margin-top:11px}.copy-state{min-height:0;margin-top:0}.copy-state:not(:empty){margin-top:7px;min-height:18px}.checkout-note{padding-top:12px;margin-top:14px}
@media(max-width:760px){.checkout-card{padding:22px 21px 19px}.checkout-amount h2{font-size:38px}}

/* Approved logo color stays independent of experimental UI palettes. */
.brand .brand-logo{width:142px;height:35px;color:#285ac2}.footer-grid .brand .brand-logo{width:126px;height:31px}.checkout-top .brand .brand-logo{width:126px;height:31px}@media(max-width:700px){.brand .brand-logo{width:126px;height:31px}}

/* Two explicit choices: highlight the current checkout language. */
.checkout-link-actions{display:flex;gap:8px;margin-top:12px}.checkout-link-actions .checkout-link-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;max-width:100%;flex-shrink:0;white-space:nowrap;text-align:center;min-height:42px;padding:9px 10px;border-radius:9px;color:var(--ink)}.checkout-link-actions .checkout-link-share{background:var(--tint);border-color:var(--tint);color:var(--accent-dark)}.checkout-link-button:hover{border-color:var(--accent);filter:brightness(.98);transform:none}.checkout-link-button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.checkout-link-button svg{width:16px;height:16px}.checkout-link-icon{display:grid;width:16px;height:16px;flex-shrink:0}.checkout-link-icon svg,.checkout-link-label>span{grid-area:1/1}.checkout-link-label{display:grid}.checkout-link-icon .icon-check,.checkout-link-label [data-link-copied]{visibility:hidden}.checkout-link-button[data-copied=true] .icon-copy,.checkout-link-button[data-copied=true] [data-link-label]{visibility:hidden}.checkout-link-button[data-copied=true] .icon-check,.checkout-link-button[data-copied=true] [data-link-copied]{visibility:visible}.checkout-link-button[data-copied=true]{color:var(--accent-dark)}@media(max-width:360px){.checkout-link-actions .checkout-link-button{font-size:12px;padding-inline:8px;gap:5px}.checkout-link-button svg,.checkout-link-icon{width:14px;height:14px}}
.checkout-link{border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.checkout-link-title{font-size:14px;font-weight:650;color:var(--ink)}.checkout-link-privacy{font-size:13px;line-height:1.7;margin:10px 0 0;color:var(--muted)}.checkout-link-button{font-size:13px;min-height:40px;padding:9px 13px;background:var(--surface);border-color:var(--line);color:var(--accent-dark)}.checkout-link-manual{margin-top:13px}.checkout-link-manual label{display:block;font-size:13px;line-height:1.7;color:var(--muted);margin-bottom:7px}.checkout-link-manual input{width:100%;min-width:0;font-size:13px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px}.checkout-link-feedback{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.checkout-languages{display:inline-flex;align-items:center;padding:3px;gap:2px;border:1px solid var(--line);border-radius:9px;background:var(--surface);flex-shrink:0}.checkout-languages a{display:grid;place-items:center;min-width:38px;min-height:34px;padding:5px 7px;font-size:12px;font-weight:600;line-height:1.4;border-radius:6px;color:var(--muted)}.checkout-languages a[aria-current]{background:var(--accent);color:#fff}.checkout-languages a:hover:not([aria-current]){background:var(--tint);color:var(--accent-dark)}.checkout-languages a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}@media(max-width:650px){.checkout-top{flex-wrap:wrap}.checkout-top-actions{margin-left:auto}}