/* RED PAY — landing page */

@font-face{font-family:"Archivo";src:url(fonts/archivo-vf.woff2) format("woff2");font-weight:400 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(fonts/ibm-plex-mono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(fonts/ibm-plex-mono-500.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --paper:#F4F1EA;
  --paper-2:#EAE5D9;
  --ink:#15110F;
  --red:#D62C2F;
  --red-ink:#B5232A;      /* red for small text on paper (AA) */
  --muted:#6B635A;
  --line:rgba(21,17,15,.16);
  --mono:"Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --gut:clamp(16px,4vw,32px);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{
  background:var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .08 0 0 0 0 .06 0 0 0 0 .05 0 0 0 .055 0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  color:var(--ink);
  font:400 17px/1.6 "Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
::selection{background:var(--red);color:#fff}

.wrap{width:min(1200px,100% - var(--gut)*2);margin-inline:auto}

/* type */
.display{font-weight:800;font-stretch:70%;letter-spacing:-.01em;line-height:.93}
.eyebrow{font:500 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--red-ink);display:flex;align-items:center;gap:10px}
.lede{color:var(--muted);font-size:1.08rem;max-width:46ch}
.hexdot,.hexlist li::before{
  display:inline-block;width:10px;height:11px;background:var(--red);flex:none;
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 22px;border:2px solid var(--ink);
  font:700 .98rem/1 "Archivo",sans-serif;font-stretch:96%;letter-spacing:.005em;
  transition:transform .15s,box-shadow .15s,background .15s,color .15s;
}
.btn:hover{transform:translate(-3px,-3px);box-shadow:4px 4px 0 var(--ink)}
.btn:active{transform:none;box-shadow:none}
.btn-sm{padding:11px 16px;font-size:.9rem}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-red{background:var(--red);border-color:var(--red);color:#fff}
.btn-red:hover{box-shadow:4px 4px 0 var(--ink)}
.btn-line{background:transparent}
.btn-paper{background:var(--paper);border-color:var(--paper);color:var(--ink)}
.btn-paper:hover,.btn-ghost:hover{box-shadow:4px 4px 0 var(--ink)}
.btn-ghost{background:transparent;border-color:#fff;color:#fff}

.link{display:inline-block;width:fit-content;font-weight:700;border-bottom:2px solid currentColor;padding-bottom:2px;transition:gap .15s,color .15s}
.link:hover{color:var(--red-ink)}
.dark .link:hover{color:#FF8A82}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 90%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-stretch:105%;font-size:1.28rem;letter-spacing:.02em}
.brand em{font-style:normal;color:var(--red)}
.nav-links{display:flex;gap:30px;margin-left:auto;font-weight:600;font-size:.95rem}
.nav-links a{position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.nav-links a:hover::after{transform:scaleX(1)}

/* hero */
.hero{position:relative;padding:clamp(36px,6vw,72px) 0 clamp(56px,8vw,104px);overflow:hidden}
.hero-hex{position:absolute;right:-120px;top:50%;width:min(640px,90vw);color:var(--red);opacity:.11;pointer-events:none;transform:translateY(-50%)}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:26px}
.hero h1{font-size:clamp(3.5rem,9.4vw,7.6rem)}
.hero h1 u{text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:.075em;text-underline-offset:.07em;text-decoration-skip-ink:none}
.hero h1 .r{color:var(--red)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.byline{font:400 13px/1.4 var(--mono);color:var(--muted);padding-top:18px;border-top:1px solid var(--line);width:100%;max-width:46ch}
.byline b{font-weight:500;color:var(--ink)}

.hero-copy>*{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}
.hero-copy>:nth-child(2){animation-delay:.06s}
.hero-copy>:nth-child(3){animation-delay:.14s}
.hero-copy>:nth-child(4){animation-delay:.2s}
.hero-copy>:nth-child(5){animation-delay:.26s}
.hero-demo{animation:rise .8s .18s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* demo: tabs + stage */
.hero-demo{display:flex;flex-direction:column;gap:22px;align-items:center}
.tabs{display:inline-flex;border:2px solid var(--ink);background:var(--paper)}
.tab{appearance:none;background:none;border:0;cursor:pointer;padding:10px 18px;font:500 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink);transition:background .15s,color .15s}
.tab+.tab{border-left:2px solid var(--ink)}
.tab[aria-selected="true"]{background:var(--ink);color:var(--paper)}
.tab:not([aria-selected="true"]):hover{background:var(--paper-2)}

.stage{display:grid;width:100%;max-width:440px}
.pane{grid-area:1/1;opacity:0;visibility:hidden;transform:translateY(10px) scale(.985);transition:opacity .35s,transform .35s,visibility 0s .35s;display:flex;align-items:center;justify-content:center}
.pane.is-on{opacity:1;visibility:visible;transform:none;transition:opacity .35s,transform .35s,visibility 0s}

/* receipt */
.receipt-wrap{filter:drop-shadow(0 22px 22px rgba(80,32,22,.26)) drop-shadow(0 2px 2px rgba(80,32,22,.12));transform:rotate(-1.8deg);width:min(100%,330px)}
.receipt{
  position:relative;background:#FFFDF8;color:#1a1612;
  font:400 12.5px/1.65 var(--mono);padding:24px 22px 40px;
  --s:14px;
  -webkit-mask:conic-gradient(from -45deg at bottom,#0000,#000 1deg 89deg,#0000 90deg) 50%/var(--s) 100%;
          mask:conic-gradient(from -45deg at bottom,#0000,#000 1deg 89deg,#0000 90deg) 50%/var(--s) 100%;
}
.r-head{display:flex;align-items:center;gap:12px;padding-bottom:14px;margin-bottom:12px;border-bottom:1px dashed #1a161266}
.r-head strong{display:block;font:800 1.1rem/1.1 "Archivo",sans-serif;font-stretch:105%;letter-spacing:.03em}
.r-head span{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#6d655b}
.receipt dl div{display:flex;justify-content:space-between;gap:12px}
.receipt dt{color:#6d655b}
.receipt dd{text-align:right}
.receipt .total{margin-top:10px;padding:10px 0;border-block:1px dashed #1a161266;font-weight:500;font-size:14px}
.receipt .total dt{color:inherit}
.r-meta{margin-top:12px;font-size:11.5px;color:#6d655b}
.r-foot{margin-top:14px;text-align:center;font-size:11px;letter-spacing:.06em;color:#9a9186}
.stamp{
  position:absolute;right:16px;bottom:86px;transform:rotate(-13deg);
  border:3px solid var(--red);color:var(--red);padding:3px 12px;
  font:800 1.5rem/1.1 "Archivo",sans-serif;font-stretch:75%;letter-spacing:.14em;text-transform:uppercase;
  mix-blend-mode:multiply;opacity:.88;
}

/* code */
.code{width:100%;background:var(--ink);color:#EDE7DB;border-radius:3px;box-shadow:10px 10px 0 var(--red);overflow:hidden}
.code-bar{display:flex;align-items:center;gap:10px;padding:11px 16px;border-bottom:1px solid #ffffff1f;font:400 12px/1 var(--mono);color:#a79d90}
.code-bar b{background:var(--red);color:#fff;font-weight:500;padding:4px 7px;letter-spacing:.06em}
.code-bar span{color:#EDE7DB}
.code-bar em{margin-left:auto;font-style:normal;color:#7d746a}
.code pre{padding:16px 18px 20px;font:400 12.5px/1.75 var(--mono);overflow-x:auto}
.code .c{color:#7d746a}
.code .k{color:#EDE7DB}
.code .s{color:#FF8A82}
.code .n{color:#F2C078}
.code .ok{color:#6FD6A2}

/* sections */
.sec{padding:clamp(56px,8vw,104px) 0}
.sec+.sec{border-top:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);grid-template-areas:"e e" "h l";gap:20px 56px;align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.sec-head .eyebrow{grid-area:e}
.sec-head h2{grid-area:h;font-size:clamp(2.8rem,6.4vw,5.2rem)}
.sec-head .lede{grid-area:l;justify-self:end;padding-bottom:6px}

/* products */
.plist{display:grid;grid-auto-flow:column;grid-template-rows:repeat(5,auto);grid-template-columns:1fr 1fr;column-gap:56px;border-top:2px solid var(--ink)}
.plist li{position:relative;isolation:isolate;display:grid;grid-template-columns:40px 1fr auto;align-items:baseline;gap:12px;padding:22px 0;border-bottom:1px solid var(--line);transition:color .2s}
.plist li::before{content:"";position:absolute;inset:-1px -14px;background:var(--red);z-index:-1;transform:scaleY(0);transform-origin:bottom;transition:transform .22s cubic-bezier(.3,.7,.2,1)}
.plist li:hover{color:#fff}
.plist li:hover::before{transform:scaleY(1)}
.plist .n{font:400 12px/1 var(--mono);color:var(--muted);transition:color .2s}
.plist b{font-weight:700;font-stretch:84%;font-size:1.65rem;line-height:1.1;letter-spacing:-.005em}
.plist li>span:last-child{color:var(--muted);font-size:.9rem;text-align:right;transition:color .2s}
.plist li:hover .n,.plist li:hover>span:last-child{color:#ffffffcc}

/* paths */
.paths{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--ink)}
.path{display:flex;flex-direction:column;align-items:flex-start;gap:20px;padding:clamp(26px,4vw,48px);background:var(--paper-2)}
.path.dark{background:var(--ink);color:var(--paper)}
.path .tag{font:500 11.5px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;border:1.5px solid currentColor;padding:6px 9px}
.path h3{font-size:clamp(2.4rem,4.4vw,3.6rem)}
.path h3 small{display:block;font-size:.5em;font-stretch:100%;font-weight:700;letter-spacing:.02em;color:#FF8A82;margin-top:.35em;line-height:1}
.path>p:not(.tag){max-width:42ch;opacity:.82}
.hexlist{display:grid;gap:12px;margin:6px 0 10px;flex:1;align-content:start}
.hexlist li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.hexlist li::before{content:"";margin-top:.5em}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,48px);counter-reset:s}
.step{border-top:2px solid var(--ink);padding-top:14px}
.step .num{display:block;font-weight:900;font-stretch:62%;font-size:clamp(6rem,12vw,9.5rem);line-height:.85;color:transparent;-webkit-text-stroke:2px var(--red);margin-bottom:22px}
.step h3{font-weight:700;font-stretch:88%;font-size:1.55rem;line-height:1.15;margin-bottom:8px}
.step p{color:var(--muted);max-width:34ch}

/* about */
.about{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(36px,7vw,96px);align-items:center}
.portrait{position:relative;width:100%;max-width:440px;margin:0 14px 14px 0}
.portrait::before{content:"";position:absolute;inset:14px -14px -14px 14px;background:var(--red)}
.portrait img{position:relative;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:50% 16%;background:var(--paper-2)}
.portrait figcaption{position:relative;display:flex;justify-content:space-between;align-items:baseline;gap:12px;background:var(--ink);color:var(--paper);padding:13px 16px;font:400 11.5px/1.35 var(--mono);letter-spacing:.07em;text-transform:uppercase}
.portrait figcaption b{font-weight:500;color:#fff;white-space:nowrap}
.portrait figcaption span{color:#b9b0a3;text-align:right}
.about-copy{display:flex;flex-direction:column;align-items:flex-start;gap:24px}
.about-copy h2{font-size:clamp(2.8rem,6vw,5rem)}
.facts{width:100%;max-width:540px;border-top:2px solid var(--ink)}
.facts div{display:grid;grid-template-columns:128px 1fr;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.facts dt{font:500 11.5px/1.7 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.facts dd{font-weight:600}

/* cta */
.cta{position:relative;background:var(--red);color:#fff;padding:clamp(56px,8vw,96px) 0;overflow:hidden}
.cta-hex{position:absolute;right:-60px;top:50%;width:min(520px,80vw);transform:translateY(-50%);opacity:.14;color:#fff;pointer-events:none}
.cta-in{position:relative;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:32px 56px;align-items:end}
.cta h2{font-size:clamp(3rem,8vw,6.4rem)}
.cta-side{display:flex;flex-direction:column;gap:22px}
.cta-side p{font-size:1.1rem;max-width:34ch}

/* footer */
.foot{padding:36px 0 40px;background:var(--ink);color:var(--paper)}
.foot-in{display:grid;grid-template-columns:1fr auto;gap:28px 40px;align-items:start}
.foot-brand{display:flex;flex-direction:column;gap:14px}
.foot-brand p{color:#b9b0a3;font-size:.92rem}
.foot-brand b{color:var(--paper);font-weight:600}
.foot-links{display:flex;gap:26px;font-weight:600;font-size:.95rem}
.foot-links a:hover{color:#FF8A82}
.copy{grid-column:1/-1;padding-top:22px;border-top:1px solid #ffffff22;font:400 12px/1.4 var(--mono);color:#8e857a}

/* responsive */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-demo{align-items:flex-start}
  .sec-head{grid-template-columns:1fr;grid-template-areas:"e" "h" "l"}
  .sec-head .lede{justify-self:start}
  .cta-in{grid-template-columns:1fr}
  .about{grid-template-columns:1fr}
  .portrait{max-width:380px}
}
@media (max-width:760px){
  .nav-links{display:none}
  .nav-in{justify-content:space-between}
  .plist{grid-auto-flow:row;grid-template-rows:none;grid-template-columns:1fr}
  .plist li{padding:18px 0;grid-template-columns:34px 1fr}
  .plist li>span:last-child{grid-column:2;text-align:left}
  .plist li::before{inset:-1px -10px}
  .paths{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:28px}
  .step{display:grid;grid-template-columns:auto 1fr;column-gap:20px;align-items:start}
  .step .num{grid-row:1/3;font-size:5.4rem;margin:0}
  .foot-in{grid-template-columns:1fr}
}
@media (max-width:480px){
  .portrait figcaption{flex-direction:column;gap:4px}
  .portrait figcaption span{text-align:left}
}
@media (max-width:420px){
  .btn{padding:14px 18px}
  .cta-row .btn{flex:1 1 100%;justify-content:space-between}
  .stage{max-width:100%}
  .code pre{font-size:11.5px}
  .tab{padding:10px 14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
}