/* BotFlow Exchange landing page.
   Same palette and type as the swap app so the two read as one product. */
:root{
  --paper:#f3f6fb;--surface:#fff;--ink:#0d1330;--mut:#566080;--line:#d8deec;--soft:#e8edf8;
  --blue:#2f5bff;--blue-ink:#fff;--blue-soft:#e3e9ff;--ok:#16805a;
  --dark:#0b1126;--dark-2:#141c3a;--dark-fg:#e8ecff;--dark-mut:#9aa5cc;
  --r-lg:22px;--r-md:14px;--r-sm:10px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#080c1c;--surface:#111832;--ink:#e8ecff;--mut:#97a2c8;--line:#252f57;--soft:#0e1530;
  --blue:#5c82ff;--blue-ink:#06102e;--blue-soft:#1a2550;--ok:#5fd59a;--dark:#0d1430;--dark-2:#16204a}}
:root[data-theme="dark"]{
  --paper:#080c1c;--surface:#111832;--ink:#e8ecff;--mut:#97a2c8;--line:#252f57;--soft:#0e1530;
  --blue:#5c82ff;--blue-ink:#06102e;--blue-soft:#1a2550;--ok:#5fd59a;--dark:#0d1430;--dark-2:#16204a}
html{scroll-padding-top:calc(76px + env(safe-area-inset-top,0px));scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.6 "Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--blue)}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.1}
h2{font-size:clamp(1.75rem,3.2vw,2.5rem)}
h3{font-size:1.15rem;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}
.lbl{font-size:.8rem;color:var(--mut)}
.num{font-variant-numeric:tabular-nums}
.sub{color:var(--mut);max-width:58ch;margin-top:12px}
.skip{position:absolute;left:-999px;top:8px;background:var(--blue);color:var(--blue-ink);padding:8px 14px;border-radius:8px;z-index:20}
.skip:focus{left:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:12px;font-weight:700;font-size:1rem;text-decoration:none;border:1px solid transparent;transition:background .15s,border-color .15s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:9px 16px;font-size:.92rem;border-radius:10px}
.btn-primary{background:var(--blue);color:var(--blue-ink)}
.btn-primary:hover{background:color-mix(in srgb,var(--blue) 88%,#000)}
.btn-ghost{color:var(--ink);border-color:var(--line);background:var(--surface)}
.btn-ghost:hover{border-color:var(--mut)}
.btn-light{background:#fff;color:#0d1330}
.btn-ghost-dark{color:var(--dark-fg);border-color:#3a4677}
.btn-ghost-dark:hover{border-color:var(--dark-mut)}

/* Nav */
.nav{position:sticky;top:0;z-index:10;padding-top:env(safe-area-inset-top,0px);background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;font-size:1.15rem;letter-spacing:-.02em}
.brand svg{width:30px;height:30px}
.brand rect{fill:var(--blue)}
.brand path{fill:none;stroke:var(--blue-ink);stroke-width:3;stroke-linecap:round}
.nav nav{display:flex;gap:24px;margin-left:auto}
.nav nav a{color:var(--mut);text-decoration:none;font-size:.95rem}
.nav nav a:hover{color:var(--ink)}
@media (max-width:760px){.nav nav{display:none}.nav .btn{margin-left:auto}}

/* Hero */
.hero{padding:72px 0 64px}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.4vw,4.1rem);letter-spacing:-.035em;line-height:1.02;max-width:15ch}
.lede{font-size:1.2rem;color:var(--mut);margin-top:22px;max-width:46ch}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.ticks{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.92rem;color:var(--mut)}
.ticks li{display:flex;align-items:center;gap:8px}
.ticks li::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.1 4.8-4.8' fill='none' stroke='%232f5bff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
@media (max-width:900px){.hero{padding:44px 0 48px}.hero-in{grid-template-columns:1fr;gap:40px}}

/* Route card: the signature element */
.route{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:0 30px 60px -36px rgba(20,40,120,.35)}
.route-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.live{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;color:var(--mut)}
.live i{width:8px;height:8px;border-radius:50%;background:var(--mut)}
.live.on i{background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 22%,transparent)}
.route-amts{display:flex;justify-content:space-between;gap:12px;margin-top:16px;padding:16px;border-radius:var(--r-md);background:var(--soft)}
.route-amts div{display:grid;gap:2px}
.route-amts b{font-size:1.45rem;font-weight:500;letter-spacing:-.01em}
.ta-r{text-align:right}
.flow{position:relative;height:132px;margin:10px 4px 4px}
.flow svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.flow path{fill:none;stroke-width:3;stroke-linecap:round;vector-effect:non-scaling-stroke}
.flow-bg{stroke:var(--line)}
.flow-line{stroke:var(--blue);stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.6s cubic-bezier(.6,.1,.2,1) .25s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.node{position:absolute;transform:translate(-50%,-50%);background:var(--surface);border:2px solid var(--blue);color:var(--ink);font-weight:700;font-size:.85rem;padding:5px 11px;border-radius:999px;white-space:nowrap}
.n1{left:7.5%;top:62.5%}.n2{left:50%;top:31.25%;background:var(--blue);color:var(--blue-ink)}.n3{left:92.5%;top:62.5%}
.hop{position:absolute;transform:translateX(-50%);font-size:.74rem;color:var(--mut);white-space:nowrap}
.h1{left:28%;top:74%}.h2{left:72%;top:74%}
.checks{list-style:none;padding:14px 0 0;margin:6px 0 12px;border-top:1px solid var(--line);display:grid;gap:7px;font-size:.9rem}
.checks li{display:flex;gap:10px;align-items:flex-start}
.checks li::before{content:"";flex:none;width:16px;height:16px;margin-top:3px;border-radius:50%;background:var(--blue-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.1 4.8-4.8' fill='none' stroke='%232f5bff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.route figcaption{line-height:1.45}

/* Problem band */
.band{border-block:1px solid var(--line);background:var(--surface);padding:56px 0}
.band-lede{font-size:clamp(1.25rem,2.4vw,1.6rem);line-height:1.4;letter-spacing:-.01em;max-width:34em}

/* Features */
.features{padding:96px 24px 40px}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:40px;border-top:1px solid var(--line)}
.feat{padding:28px 0 32px;border-bottom:1px solid var(--line)}
.feat p{color:var(--mut);margin-top:10px;font-size:.98rem;max-width:48ch}
.feat-lg{grid-column:1/-1;display:grid;grid-template-columns:1fr auto;gap:10px 48px;align-items:center;padding:36px 0 40px}
.feat-lg h3{font-size:1.5rem}
.feat-lg p{font-size:1.05rem;grid-column:1}
.mini{grid-column:2;grid-row:1/3;display:flex;align-items:center;gap:8px}
.mini span{font-weight:700;font-size:.9rem;padding:7px 14px;border:2px solid var(--blue);border-radius:999px;background:var(--surface)}
.mini span:nth-child(3){background:var(--blue);color:var(--blue-ink)}
.mini em{font-style:normal;font-size:.78rem;color:var(--mut);display:flex;align-items:center;gap:6px}
.mini em::before,.mini em::after{content:"";width:14px;height:2px;background:var(--blue)}
.url{display:block;margin-top:14px;font-family:var(--mono);font-size:.8rem;background:var(--soft);border:1px solid var(--line);padding:8px 10px;border-radius:var(--r-sm);overflow-x:auto;white-space:nowrap;max-width:max-content}
@media (min-width:901px){
  .feat:nth-child(2),.feat:nth-child(4){padding-right:36px;border-right:1px solid var(--line)}
  .feat:nth-child(3),.feat:nth-child(5){padding-left:36px}
}
@media (max-width:900px){
  .feat-grid{grid-template-columns:1fr}
  .feat-lg{grid-template-columns:1fr;padding:28px 0 32px}
  .mini{grid-column:1;grid-row:auto;flex-wrap:wrap;margin-top:10px}
}

/* How it works: a real sequence, so numbered */
.how{padding:72px 0 96px}
.steps{list-style:none;counter-reset:s;padding:0;margin:48px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative}
.steps::before{content:"";position:absolute;top:19px;left:20px;right:20px;height:2px;background:linear-gradient(90deg,var(--blue),var(--line))}
.steps li{position:relative;counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--surface);border:2px solid var(--blue);font-weight:700;color:var(--blue);margin-bottom:18px;position:relative}
.steps p{color:var(--mut);margin-top:8px;font-size:.96rem}
@media (max-width:820px){.steps{grid-template-columns:1fr;gap:26px}.steps::before{top:20px;bottom:20px;left:19px;right:auto;width:2px;height:auto;background:linear-gradient(180deg,var(--blue),var(--line))}.steps li{padding-left:60px}.steps li::before{position:absolute;left:0;top:-6px;margin:0}}

/* Safety */
.safety{padding:0 24px 96px;display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.facts{margin:0;display:grid;gap:0;border-top:1px solid var(--line)}
.facts div{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.facts dt{font-weight:700}
.facts dd{margin:0;color:var(--mut)}
@media (max-width:900px){.safety{grid-template-columns:1fr;gap:32px}.facts div{grid-template-columns:1fr;gap:4px}}

/* Developers: the one dark section */
.dev{background:var(--dark);color:var(--dark-fg);padding:96px 0}
.dev-in{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.dev p{color:var(--dark-mut);margin-top:16px;max-width:52ch}
.dev .note{font-size:.9rem;margin-top:18px}
.stats{list-style:none;padding:0;margin:30px 0 0;display:flex;gap:36px;flex-wrap:wrap}
.stats li{display:grid}
.stats b{font-size:2rem;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stats span{font-size:.85rem;color:var(--dark-mut)}
.code{margin:0;background:var(--dark-2);border:1px solid #27325f;border-radius:var(--r-lg);padding:24px;overflow-x:auto;font:400 .88rem/1.7 var(--mono);color:#cfd7ff}
.code .c{color:#7280b3}.code .k{color:#8fb0ff}.code .f{color:#fff;font-weight:500}.code .t{color:#7fd8c4}
@media (max-width:900px){.dev{padding:72px 0}.dev-in{grid-template-columns:1fr;gap:40px}}

/* Contracts */
.contracts{padding:96px 24px 40px}
.table{margin-top:28px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:.95rem}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-weight:500;color:var(--mut);font-size:.85rem}
tr:last-child td{border-bottom:0}
.addr{font-family:var(--mono);font-size:.85rem;color:var(--ink);text-decoration-color:var(--line);text-underline-offset:3px}
.addr:hover{color:var(--blue);text-decoration-color:currentColor}
.pending{color:var(--mut)}

/* FAQ */
.faq{padding:56px 24px 96px}
.faq details,.faq h2{max-width:820px}
.faq h2{margin-bottom:24px}
details{border-bottom:1px solid var(--line)}
details:first-of-type{border-top:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-weight:700;font-size:1.08rem;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:2px solid var(--mut);border-bottom:2px solid var(--mut);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
details p{color:var(--mut);padding:0 0 22px;max-width:62ch}

/* Closing */
.cta-end{padding:0 0 96px}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:var(--blue);color:var(--blue-ink);border-radius:var(--r-lg);padding:44px 48px}
.cta-in .btn-primary{background:var(--blue-ink);color:var(--blue)}
.cta-in .btn-primary:hover{background:color-mix(in srgb,var(--blue-ink) 90%,var(--blue))}
@media (max-width:600px){.cta-in{padding:32px 26px}}

/* Footer */
.foot{border-top:1px solid var(--line);padding:44px 0 56px;font-size:.9rem;color:var(--mut)}
.foot-in{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot p{margin-top:14px;max-width:52ch}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot ul a{color:var(--mut);text-decoration:none}
.foot ul a:hover{color:var(--ink)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .flow-line{animation:none;stroke-dashoffset:0}
  .btn{transition:none}
}

/* Testnet notice */
/* banner removed: mainnet needs no network notice */
.contracts code{font-family:var(--mono);font-size:.88em}