:root{
  --bg:#ffffff; --bg-alt:#f6f7f9; --ink:#0b0d12; --muted:#5b6472; --line:#e6e8ec;
  --card:#ffffff; --brand:#4f46e5; --brand2:#06b6d4; --ok:#059669; --ok-bg:#d1fae5;
  --shadow:0 1px 2px rgba(11,13,18,.04),0 12px 32px -12px rgba(11,13,18,.12);
  --radius:16px; color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.1;letter-spacing:-.03em;margin:0}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.narrow{max-width:780px}
.muted{color:var(--muted)} .small{font-size:.85rem}
.skip{position:absolute;left:-999px} .skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:100}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:32px;height:68px}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;letter-spacing:-.02em}
.logo-img{height:26px;width:auto;display:block}
.logo-mark{background:var(--ink);color:#fff;font:500 .8rem 'JetBrains Mono',monospace;padding:5px 8px;border-radius:8px;letter-spacing:.04em}
.nav-links{display:flex;gap:26px;margin-left:12px;font-size:.92rem;color:var(--muted)}
.nav-links a{white-space:nowrap}
.nav-links a:hover{color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;gap:8px}

/* Buttons */
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:999px;font-weight:600;font-size:.92rem;border:1px solid transparent;transition:.2s;cursor:pointer}
.btn-lg{padding:14px 26px;font-size:1rem}
.btn-primary{background:var(--ink);color:#fff;box-shadow:0 8px 20px -8px rgba(11,13,18,.5)}
.btn-primary:hover{transform:translateY(-1px);background:#1b1f2a}
.btn-ghost:hover{background:var(--bg-alt)}
.btn-outline{border-color:var(--line);background:#fff}
.btn-outline:hover{border-color:var(--ink)}
.btn-light{background:#fff;color:var(--ink)} .btn-light:hover{transform:translateY(-1px)}
.btn-outline-light{border-color:rgba(255,255,255,.3);color:#fff} .btn-outline-light:hover{border-color:#fff}

/* Hero */
.hero{position:relative;overflow:hidden;padding:88px 0 56px}
.hero-glow{position:absolute;inset:-20% -10% auto -10%;height:640px;z-index:0;
  background:radial-gradient(40% 50% at 25% 30%,rgba(79,70,229,.16),transparent 70%),radial-gradient(35% 45% at 80% 20%,rgba(6,182,212,.16),transparent 70%)}
.hero::before{content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;opacity:.45;mask-image:radial-gradient(70% 60% at 50% 20%,#000,transparent)}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;padding:6px 14px;border-radius:999px;font-size:.82rem;font-weight:500;box-shadow:var(--shadow)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px var(--ok-bg)}
h1{font-size:clamp(2.2rem,4vw,3.4rem);margin:22px 0 20px;font-weight:700;text-wrap:balance}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.15rem;color:var(--muted);max-width:560px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0 28px} .cta-row.center{justify-content:center}
.trust{display:flex;gap:22px;flex-wrap:wrap;list-style:none;padding:0;margin:0;color:var(--muted);font-size:.88rem}
.trust li::before{content:"✓";color:var(--ok);font-weight:700;margin-right:8px}

/* Hero visual */
.hero-visual{position:relative;height:470px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.chip{font-size:.74rem;font-weight:600;padding:4px 10px;border-radius:99px;background:var(--bg-alt);white-space:nowrap}
.chip-live,.chip-ok{background:var(--ok-bg);color:var(--ok)}
.tx-body{display:flex;flex-direction:column;line-height:1.3;flex:1;min-width:0}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:.75rem;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:none}
.mono{font-family:'JetBrains Mono',monospace}
.inv{position:absolute;top:0;left:0;width:92%;padding:20px}
.inv-top{display:flex;align-items:center;gap:12px}
.file-ico{width:38px;height:44px;border-radius:8px;background:#fee2e2;color:#b91c1c;font-size:.7rem;font-weight:700;display:grid;place-items:center;flex:none}
.inv-title{display:flex;flex-direction:column;line-height:1.3;flex:1;min-width:0}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin:18px 0 0}
.fields dt{font-size:.74rem;color:var(--muted)}
.fields dd{margin:2px 0 0;font-weight:600;font-size:.9rem}
.po{position:absolute;top:205px;right:0;width:88%;padding:20px;animation:float 6s ease-in-out infinite}
.po-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.po-top b{display:block;font-size:1.05rem}
.po-amt{font-size:1.3rem;font-weight:600}
.po-amt em{font-style:normal;color:var(--muted);font-size:.8rem}
.track{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:repeat(4,1fr)}
.track li{position:relative;display:flex;flex-direction:column;gap:8px;font-size:.78rem;color:var(--muted)}
.track li i{width:12px;height:12px;border-radius:50%;background:var(--line);position:relative;z-index:1}
.track li:not(:last-child)::before{content:"";position:absolute;top:5px;left:6px;width:100%;height:2px;background:var(--line)}
.track li.done i{background:var(--ok)}
.track li.done:not(:last-child)::before{background:var(--ok)}
.track li.done span{color:var(--ink)}
.track li.now i{background:var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.18)}
.track li.now span{color:var(--brand);font-weight:600}
.kyc{position:absolute;left:-18px;bottom:0;width:min(100%,330px);display:flex;align-items:center;gap:12px;padding:14px 16px;font-size:.9rem;animation:float 6s ease-in-out -3s infinite}
@keyframes float{50%{transform:translateY(-8px)}}

/* Stats */
.stats{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);margin-top:72px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
.stats>div{padding:26px;display:flex;flex-direction:column;gap:2px;border-right:1px solid var(--line)}
.stats>div:last-child{border:0}
.stats strong{font-size:1.9rem;letter-spacing:-.03em}
.stats span{color:var(--muted);font-size:.88rem}

/* Sections */
.section{padding:110px 0} .section.alt{background:var(--bg-alt)}
.section-head{max-width:680px;margin-bottom:52px}
.eyebrow{font:500 .78rem 'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.12em;color:var(--brand)}
h2{font-size:clamp(2rem,3.8vw,3rem);margin:12px 0 16px;font-weight:700}
.section-head p{color:var(--muted);font-size:1.08rem}
h3{font-size:1.2rem;letter-spacing:-.02em;margin-bottom:8px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature,.split,.price{padding:30px}
.feature{transition:.25s} .feature:hover{transform:translateY(-4px);border-color:#c7cbd3}
.feature p{color:var(--muted)}
.icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:1.2rem;margin-bottom:18px;background:linear-gradient(135deg,rgba(79,70,229,.12),rgba(6,182,212,.12));border:1px solid var(--line)}
.checks{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
.checks li{padding-left:28px;position:relative;color:var(--muted)}
.checks li::before{content:"✓";position:absolute;left:0;top:0;width:19px;height:19px;border-radius:50%;background:var(--ok-bg);color:var(--ok);font-size:.7rem;font-weight:700;display:grid;place-items:center;top:3px}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
.steps .card{padding:30px;position:relative} .steps p{color:var(--muted)}
.step-n{font:500 .9rem 'JetBrains Mono',monospace;color:var(--brand);display:block;margin-bottom:46px}

/* Security */
.dark{background:#0b0d12;color:#fff;position:relative;overflow:hidden}
.dark::before{content:"";position:absolute;inset:auto -10% -40% auto;width:700px;height:700px;background:radial-gradient(circle,rgba(79,70,229,.35),transparent 65%)}
.dark .wrap{position:relative}
.dark .section-head p{color:#9aa3b2} .dark .eyebrow{color:#818cf8}
.stats-dark{margin-top:0;background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);box-shadow:none}
.stats-dark>div{border-color:rgba(255,255,255,.1)} .stats-dark span{color:#9aa3b2}

/* Pricing */
.legal{max-width:760px;padding-top:56px;padding-bottom:72px}
.legal h1{font-size:2.2rem;margin:6px 0 4px}
.legal h2{font-size:1.15rem;margin:34px 0 8px}
.legal p,.legal li{line-height:1.65}
.legal ul{padding-left:1.2rem;margin:8px 0}
.legal li{margin:6px 0}
.legal-wide{max-width:980px}
.legal-pdf{display:block;width:100%;height:78vh;min-height:480px;margin-top:18px;border:1px solid var(--line);border-radius:12px;background:#fff}
.legal-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.legal-other{margin-top:40px;padding-top:18px;border-top:1px solid var(--line)}
.pricing{max-width:900px}
.promo{margin:14px auto 0;max-width:640px;padding:12px 18px;border-radius:12px;background:var(--ok-bg);color:var(--ok);font-size:1.02rem}
.amt{font-size:2.6rem;font-weight:700;letter-spacing:-.04em;margin:8px 0} .amt span{font-size:1rem;color:var(--muted);font-weight:500;letter-spacing:0}
.price .btn{margin-top:28px;width:100%}
.price.featured{border:1.5px solid var(--ink)} .price.featured .chip{float:right}

/* FAQ */
details{border-bottom:1px solid var(--line);padding:22px 0}
summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.4rem;line-height:1;color:var(--muted);transition:.2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);margin-top:12px;max-width:640px}

/* CTA + footer */
.cta{padding:30px 0 110px}
.cta-inner{background:#0b0d12;color:#fff;border-radius:28px;text-align:center;padding:80px 24px;position:relative;overflow:hidden;
  background-image:radial-gradient(50% 80% at 20% 0,rgba(79,70,229,.5),transparent 70%),radial-gradient(50% 80% at 85% 100%,rgba(6,182,212,.4),transparent 70%)}
.cta-inner p{color:#b6bdca;margin-top:4px}
.cta-inner .cta-row{margin-bottom:0}
.footer{border-top:1px solid var(--line);padding:40px 0}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;gap:20px 40px}
.footer nav{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:.9rem} .footer nav a:hover{color:var(--ink)}
.footer p{width:100%}

/* Vendors & KYC section */
.steps-4{grid-template-columns:repeat(4,1fr)}
.split-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.lead-sm{font-size:1.08rem;margin-bottom:6px}
.note{margin-top:20px}
.profile{padding:26px;width:100%;max-width:440px;justify-self:end}
.profile-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.avatar-lg{width:52px;height:52px;font-size:.95rem}
.docs{list-style:none;padding:0;margin:0}
.docs li{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-top:1px solid var(--line);font-size:.92rem}
.profile-foot{margin-top:6px;padding-top:14px;border-top:1px solid var(--line)}

/* Responsive */
@media (max-width:1180px){.nav-links{gap:18px}}
@media (max-width:1080px){.nav-links-landing{display:none}}
@media (max-width:960px){
  .nav-links{display:none}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{max-width:520px}
  .kyc{left:0}
  .split-grid{grid-template-columns:1fr;gap:36px}
  .profile{justify-self:start}
  .grid-3,.steps{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stats>div:nth-child(2){border-right:0} .stats>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .stats-dark>div:nth-child(-n+2){border-color:rgba(255,255,255,.1)}
}
@media (max-width:640px){
  .grid-3,.grid-2,.steps{grid-template-columns:1fr}
  .section{padding:72px 0} .hero{padding-top:56px}
  .nav-cta .btn-ghost{display:none}
  .hero-visual{height:auto;display:grid;gap:14px}
  .inv,.po,.kyc{position:static;width:100%;animation:none}
  .fields{gap:12px}
}
@media (prefers-reduced-motion:reduce){.po,.kyc{animation:none}html{scroll-behavior:auto}}

/* Review mock-up, soon chip, price tiers */
.rev-ico{width:34px;height:34px;border-radius:50%;background:#fef3c7;color:#b45309;font-weight:800;display:grid;place-items:center;flex:none}
.chip-warn{background:#fef3c7;color:#92400e}
.chip-soon{background:#e0e7ff;color:#3730a3;font-size:.66rem;vertical-align:middle;margin-left:6px}
.rv-card{padding:24px;width:100%;max-width:470px;justify-self:end}
.rv-head{display:flex;justify-content:space-between;align-items:center;font-size:.72rem;font-weight:600;letter-spacing:.06em;color:var(--muted);margin-bottom:6px}
.rv-value{font-size:.9rem;overflow-wrap:anywhere;margin-bottom:12px}
.rv-note{border:1px solid #fde68a;background:#fffbeb;border-radius:10px;padding:12px 14px;box-shadow:inset 4px 0 0 #f59e0b}
.rv-note p{margin:0 0 10px;font-size:.84rem;color:#78350f}
.rv-actions{display:flex;gap:8px}
.rv-approve{background:#15803d;color:#fff;border-radius:999px;padding:6px 14px;font-size:.8rem;font-weight:600}
.rv-edit{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-size:.8rem;font-weight:600}
.rv-edited{display:flex;align-items:center;gap:10px;margin-top:14px;background:#e8f0fe;color:#1e40af;border-radius:10px;padding:10px 12px;font-size:.8rem}
.rv-edited span{flex:1}
.rv-edited u{font-weight:700;color:#1d4ed8}
.edit-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.18);flex:none}
.tiers{width:100%;border-collapse:collapse;margin:14px 0 8px}
.tiers td{padding:13px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.tiers td:last-child{text-align:right;font-weight:700;white-space:nowrap}
.tiers tr:last-child td{border-bottom:0}
@media (max-width:960px){.rv-card{justify-self:start}}

/* Supported networks and wallets: a fixed label column so both rows line up */
.supports{display:grid;gap:14px;margin:0 0 26px}
.sup-row{display:grid;grid-template-columns:72px minmax(0,1fr);align-items:start;gap:10px}
.sup-label{font:500 .7rem 'JetBrains Mono',monospace;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);line-height:34px}
.logos{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}
.logos li{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 10px 0 8px;border:1px solid var(--line);border-radius:99px;background:#fff;font-size:.8rem;font-weight:600;white-space:nowrap}
.logos img{display:block;width:18px;height:18px;object-fit:contain}
.logos img.rounded{border-radius:5px}
@media (max-width:640px){.sup-row{grid-template-columns:1fr;gap:6px}.sup-label{line-height:1}}

/* Public address checker (landing hook and /check/) */
.hero-check{margin:-8px 0 22px;font-size:.95rem}
.hero-check a{color:var(--brand);font-weight:600}
.check-band{background:var(--bg-alt);padding:72px 0}
.check-band-inner{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center}
.check-band h2{font-size:2rem;margin:8px 0 12px}
.check-band p{color:var(--muted)}
.check-form{display:grid;gap:12px;margin:20px 0 10px}
.check-band-form{margin:0;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.check-form .label-field{display:grid;gap:6px}
.check-form input[type=text]{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;font-size:.95rem;background:#fff;color:var(--ink)}
.check-form input[type=text]:focus{outline:none;border-color:var(--ink)}
.chip-err{background:#fee2e2;color:#991b1b}
.chip-ok{background:var(--ok-bg);color:var(--ok)}
.text-bad{color:#b91c1c}
.msg{padding:12px 16px;border-radius:12px;margin:0}
.msg-error{background:#fee2e2;color:#7f1d1d}
.msg-info{background:#eef2ff;color:#312e81}
.check-result{padding:28px;margin-top:26px}
.check-address{word-break:break-all;font-size:1.02rem;margin:4px 0 18px}
.check-headline{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:6px 0 10px}
.check-headline h2{font-size:1.35rem;margin:0}
.check-finding{margin:20px 0;padding:18px;border:1px solid #fecaca;border-radius:14px;background:#fef2f2}
.check-alarm{margin:0 0 12px;padding:10px 14px;border-radius:10px;background:#fee2e2;color:#7f1d1d;font-weight:600}
.check-transfers{margin:10px 0 0;padding-left:1.1rem}
.payee-compare{display:grid;gap:8px;margin:12px 0}
.payee-row{display:grid;grid-template-columns:minmax(150px,230px) 1fr;gap:12px;align-items:baseline;padding:10px 12px;background:rgba(255,255,255,.8);border-radius:10px}
.payee-addr{word-break:break-all;font-size:.92rem;letter-spacing:.02em}
.check-result mark{background:#fecaca;color:#7f1d1d;border-radius:3px;padding:0 1px;font-weight:700}
.check-scope{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.check-scope h3,.check-cta h3{font-size:1rem;margin:0 0 6px}
.check-scope ul{padding-left:1.1rem;margin:0}
.check-scope li{margin:6px 0;line-height:1.55}
.check-cta{margin-top:26px;padding:22px;border-radius:14px;background:var(--bg-alt)}
.check-cta .btn{margin-top:8px}
@media (max-width:820px){.check-band-inner{grid-template-columns:1fr;gap:26px}.payee-row{grid-template-columns:1fr;gap:2px}}

/* Hero: headline, the invoice demo, then the rest. On a phone the demo comes straight after the headline. */
.hero-grid{grid-template-areas:"top demo" "bottom demo";grid-template-rows:auto 1fr;align-items:start;row-gap:0}
.hero-top{grid-area:top;align-self:end}
.hero-bottom{grid-area:bottom}
.hero-demo{grid-area:demo;align-self:center}
.hero-top,.hero-demo,.hero-bottom{min-width:0}
@media (max-width:960px){
  .hero-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"top" "demo" "bottom";grid-template-rows:auto;gap:8px}
  .hero-demo{margin:4px 0 12px}
  .hero-top .cta-row{margin-bottom:8px}
}

/* The invoice demo card */
.demo-card{padding:22px;position:relative;max-width:520px;margin-left:auto}
.demo-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.demo-drop{display:grid;justify-items:center;gap:6px;text-align:center;padding:34px 20px;border:2px dashed #c7cbd4;border-radius:16px;background:var(--bg-alt);cursor:pointer;color:var(--muted);transition:.15s}
.demo-drop strong{color:var(--ink);font-size:1.15rem}
.demo-drop:hover,.demo-drop:focus-visible,.demo-drop.is-over{border-color:var(--brand);background:#eef2ff;outline:none}
.demo-drop.is-over{transform:scale(1.01)}
.demo-link{background:none;border:0;padding:0;font:inherit;color:var(--brand);font-weight:600;cursor:pointer;text-decoration:underline}
.demo-note{margin:12px 0 0;text-align:center}
.demo-error{margin:12px 0 0;padding:10px 14px;border-radius:12px;background:#fee2e2;color:#7f1d1d;font-size:.92rem}
.demo-card.is-working .demo-drop,.demo-card.is-working .demo-note{display:none}
.demo-progress{display:flex;align-items:center;gap:14px;padding:44px 8px;justify-content:center;font-weight:600}
.demo-spinner{width:22px;height:22px;flex:none;border-radius:50%;border:3px solid #d5d9e1;border-top-color:var(--brand);animation:demo-spin .8s linear infinite}
@keyframes demo-spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.demo-spinner{animation:none}.demo-drop.is-over{transform:none}}

/* Shared by the demo page's pay dialog */
.demo-tick{width:44px;height:44px;flex:none;border-radius:50%;background:var(--ok-bg);color:var(--ok);display:grid;place-items:center}
.demo-offer{margin:0;font-size:.95rem;color:var(--muted)}
.demo-offer strong{color:var(--ink)}
.demo-link{background:none;border:0;padding:0;font:inherit;color:var(--muted);font-weight:500;cursor:pointer;text-decoration:underline}

/* Networks and wallets that are built but not switched on yet */
.logos li.soon{opacity:.5;filter:grayscale(1);background:var(--bg-alt,#f4f5f7)}
.logos li.soon em{font-style:normal;font-size:.66rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:#6b7280;margin-left:2px}

/* The safety section: bait-and-switch protection and sanctions screening */
.safety{background:linear-gradient(180deg,#fff 0%,#fdf2f2 100%)}
.safety .section-head h2{max-width:860px}
.sf-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:8px}
.sf-card{padding:32px;display:flex;flex-direction:column;gap:14px}
.sf-card h3{font-size:1.55rem;line-height:1.15}
.sf-card .checks{margin:6px 0 4px}
.sf-demo{margin-top:auto;border:1px solid #fecaca;background:#fff1f2;border-radius:14px;padding:16px;display:grid;gap:10px;font-size:.9rem}
.sf-demo b{font-size:1rem;color:#7f1d1d}
.sf-demo p{color:#7f1d1d}
.sf-row{display:grid;gap:2px;background:#fff;border-radius:10px;padding:8px 10px}
.sf-addr{font-size:.8rem;overflow-wrap:anywhere}
.sf-addr mark{background:#fecaca;color:#7f1d1d;font-weight:700;border-radius:3px;padding:0 1px}
.sf-ack{display:flex;gap:10px;align-items:flex-start;font-size:.85rem}
.sf-box{flex:none;width:18px;height:18px;border:2px solid #9ca3af;border-radius:5px;background:#fff;margin-top:1px}
.sf-btn{justify-self:start;padding:9px 18px;border-radius:999px;background:#e5e7eb;color:#9ca3af;font-weight:600;font-size:.88rem;cursor:not-allowed}
.sf-steps{list-style:none;margin:34px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sf-steps li{display:grid;gap:4px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:#fff}
.sf-steps span{color:var(--muted);font-size:.92rem}
.sf-fine{margin-top:18px;max-width:860px}
@media (max-width:960px){.sf-grid{grid-template-columns:1fr}.sf-steps{grid-template-columns:1fr}.sf-card{padding:24px}.sf-card h3{font-size:1.35rem}}