:root {
  --amber: #f79009;
  --amber-bright: #fbb014;
  --orange: #f26309;
  --amber-dark: #c9700a;
  --amber-tint: #fdefd6;
  --green: #91c92f;
  --green-dark: #668f21;
  --green-tint: #eef6df;
  --ink-950: #12171e;
  --ink-900: #1c1f24;
  --ink-800: #2a2e34;
  --ink-700: #3a3e45;
  --ink-600: #4e535b;
  --ink-500: #6b7079;
  --ink-400: #8e939b;
  --line: #e3e6e9;
  --line-soft: #eff1f3;
  --surface: #fff;
  --surface-2: #f6f7f8;
  --slate-900: #1b2733;
  --slate-800: #243240;
  --slate-700: #33475b;
  --gradient: linear-gradient(145deg, var(--amber-bright), #f58410 52%, var(--orange));
  --shadow-sm: 0 1px 3px rgba(28, 31, 36, .09);
  --shadow-md: 0 10px 28px rgba(28, 31, 36, .11);
  --shadow-lg: 0 22px 60px rgba(16, 24, 32, .18);
  --font-display: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Open Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink-600); background: var(--surface); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; left: 20px; top: 12px; transform: translateY(-150%); padding: 12px 18px; border-radius: 8px; background: var(--amber); color: #fff; font-weight: 700; transition: transform .2s; }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid var(--amber-bright); outline-offset: 3px; }

.site-shell { min-height: 100vh; overflow-x: hidden; }
.sidebar { position: fixed; inset: 0 auto 0 0; z-index: 60; width: 292px; display: flex; flex-direction: column; color: #b7c2cc; background: linear-gradient(180deg, #17232e, var(--slate-900) 48%, #202e3b); box-shadow: 10px 0 35px rgba(14, 22, 29, .08); }
.brand-block { flex: none; padding: 24px 24px 17px; border-bottom: 1px solid rgba(255,255,255,.09); }
.ak-logo { width: 183px; height: 63px; object-fit: contain; object-position: left center; filter: brightness(0) invert(1); }
.product-lockup { display: flex; gap: 10px; align-items: center; margin: 14px -24px -17px; padding: 13px 24px 15px; border-top: 1px solid rgba(255,255,255,.08); background: rgba(0,0,0,.08); }
.product-lockup img { width: 29px; }
.product-lockup strong, .product-lockup span { display: block; }
.product-lockup strong { color: #fff; font: 700 14px/1.15 var(--font-display); }
.product-lockup span { margin-top: 2px; color: #7f92a2; font-size: 10px; }
.side-nav { flex: 1; overflow: auto; padding: 12px; scrollbar-width: thin; scrollbar-color: #425363 transparent; }
.side-nav a { display: block; padding: 7px 9px; border-radius: 8px; color: #afbdc8; font-size: 12.5px; line-height: 1.25; transition: .18s ease; }
.side-nav a:hover { color: #fff; background: rgba(255,255,255,.05); }
.side-nav a.active { color: var(--amber-bright); background: rgba(247,144,9,.14); box-shadow: inset 3px 0 var(--amber); }
.nav-group { margin: 14px 9px 5px; color: #657888; font: 700 9px/1 var(--font-display); text-transform: uppercase; letter-spacing: .15em; }
.nav-group:first-child { margin-top: 7px; }
.sidebar-cta { flex: none; padding: 13px 17px 17px; border-top: 1px solid rgba(255,255,255,.09); }
.sidebar-cta .button { width: 100%; }
.sidebar-jump { display: block; margin-top: 11px; color: #93a5b3; font-size: 11px; text-align: center; }
.sidebar-jump:hover { color: #fff; }
.page-column { width: calc(100% - 292px); min-width: 0; margin-left: 292px; }
.mobile-bar, .nav-scrim { display: none; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 19px; border: 1px solid transparent; border-radius: 9px; font: 700 13px/1 var(--font-display); cursor: pointer; transition: transform .18s ease, filter .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--gradient); box-shadow: 0 10px 24px rgba(242,99,9,.25); }
.button-primary:hover { filter: brightness(1.04); }
.button-secondary { color: var(--ink-700); border-color: var(--line); background: #fff; }
.button-secondary:hover { border-color: var(--amber); color: var(--amber-dark); }
.button-outline { color: #fff; border-color: rgba(255,255,255,.35); background: transparent; }
.button-outline:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.button-large { min-height: 50px; padding-inline: 24px; font-size: 14px; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(430px, .92fr); gap: 44px; align-items: center; min-height: 715px; padding: 70px clamp(34px, 5vw, 80px) 54px; overflow: hidden; }
.hero::before { content: ""; position: absolute; right: -150px; top: -220px; width: 700px; height: 700px; border-radius: 50%; background: radial-gradient(circle, rgba(145,201,47,.11), transparent 66%); }
.hero-copy { position: relative; z-index: 2; min-width: 0; max-width: 760px; }
.eyebrow { margin: 0 0 13px; color: var(--orange); font: 700 11px/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .13em; }
.hero h1, .section h2, .closing-cta h2 { margin: 0; color: var(--ink-900); font-family: var(--font-display); letter-spacing: -.035em; }
.hero h1 { max-width: 14ch; font-size: clamp(38px, 4.35vw, 67px); line-height: 1.04; }
.hero h1 span { color: transparent; background: var(--gradient); background-clip: text; -webkit-background-clip: text; }
.hero-lede { max-width: 690px; margin: 23px 0 0; color: var(--ink-700); font-size: clamp(16px, 1.25vw, 19px); line-height: 1.7; }
.hero-support { max-width: 650px; margin: 14px 0 0; color: var(--ink-500); font-size: 14px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.proof-line { max-width: 710px; margin: 26px 0 0; color: var(--ink-500); font-size: 11.5px; font-weight: 600; line-height: 1.7; }
.proof-line span { padding: 0 5px; color: var(--amber); }

.transaction-demo { position: relative; z-index: 1; min-height: 560px; }
.demo-glow { position: absolute; inset: 0; border-radius: 50%; background: radial-gradient(circle at 55% 42%, rgba(251,176,20,.2), transparent 54%); }
.demo-window { position: absolute; z-index: 3; top: 48px; right: 0; width: min(100%, 470px); overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: var(--shadow-lg); }
.demo-topbar { display: flex; justify-content: space-between; align-items: center; padding: 15px 18px; color: var(--ink-500); border-bottom: 1px solid var(--line-soft); font-size: 11px; }
.demo-brand { display: flex; align-items: center; gap: 7px; color: var(--ink-800); font-weight: 700; }
.demo-brand img { width: 18px; height: 18px; }
.demo-secure i { color: var(--green-dark); }
.demo-progress { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; padding: 12px 18px 0; }
.demo-progress span { height: 4px; border-radius: 5px; background: var(--surface-2); transition: background .3s; }
.demo-progress span.done { background: var(--green); }
.demo-progress span.active { background: var(--amber); }
.demo-stage { min-height: 272px; padding: 29px 28px 24px; text-align: center; }
.demo-icon { display: grid; place-items: center; width: 58px; height: 58px; margin: 0 auto 15px; border-radius: 16px; color: #fff; background: var(--gradient); box-shadow: 0 9px 20px rgba(242,99,9,.2); font-size: 23px; }
.demo-kicker { margin: 0; color: var(--ink-500); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.demo-value { display: block; margin: 4px 0; color: var(--ink-900); font: 800 35px/1.2 var(--font-display); }
.demo-message { margin: 4px 0 18px; color: var(--ink-500); font-size: 13px; }
.demo-methods { display: flex; justify-content: center; gap: 8px; }
.demo-methods span { padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-600); background: var(--surface-2); font-size: 11px; font-weight: 700; }
.demo-methods i { margin-right: 4px; color: var(--amber-dark); }
.demo-footer { display: flex; justify-content: space-between; align-items: center; padding: 12px 17px; border-top: 1px solid var(--line); color: var(--ink-500); background: var(--surface-2); font-size: 11px; }
.demo-footer > span i { color: var(--green-dark); }
.demo-footer button { border: 0; color: var(--ink-500); background: transparent; cursor: pointer; font-weight: 700; }
.kiosk-wrap { position: absolute; right: -63px; bottom: -75px; width: 260px; opacity: .16; filter: grayscale(.2); }
.demo-window.demo-changing .demo-stage { animation: demo-swap .35s ease; }
@keyframes demo-swap { 0% { opacity: .2; transform: translateY(8px); } 100% { opacity: 1; transform: none; } }

.section { padding: 72px clamp(34px, 5vw, 80px); border-top: 1px solid var(--line); }
.section-anchor { scroll-margin-top: 10px; }
.section-alt { background: var(--surface-2); }
.section-dark { color: #c2ccd5; background: linear-gradient(150deg, #18242f, var(--slate-800)); }
.section-deep { color: #c2ccd5; background: linear-gradient(150deg, #111c25, var(--slate-900) 62%, #283a49); }
.section-heading { max-width: 790px; margin-bottom: 34px; }
.section-heading h2, .section h2, .closing-cta h2 { font-size: clamp(28px, 3vw, 43px); line-height: 1.13; }
.section-heading > p:last-child, .lead { margin: 13px 0 0; color: var(--ink-500); font-size: 17px; line-height: 1.65; }
.section-heading.light h2, .section-dark h2, .section-deep h2 { color: #fff; }
.section-heading.light > p:last-child, .light-text { color: #a9b7c3; }
.split-heading { display: flex; max-width: none; gap: 50px; align-items: end; justify-content: space-between; }
.split-heading > p { max-width: 480px; }
.section h3 { margin: 0; color: var(--ink-900); font-family: var(--font-display); }

.responsibility-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.responsibility-grid article { position: relative; min-height: 245px; padding: 23px; overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: var(--shadow-sm); }
.responsibility-grid .number { position: absolute; top: 9px; right: 14px; color: #eef0f2; font: 800 40px/1 var(--font-display); }
.icon-tile { display: grid; place-items: center; width: 49px; height: 49px; margin-bottom: 23px; border-radius: 13px; color: #fff; background: var(--gradient); font-size: 19px; box-shadow: 0 8px 18px rgba(242,99,9,.2); }
.responsibility-grid h3 { font-size: 16px; line-height: 1.3; }
.responsibility-grid p { margin: 8px 0 0; color: var(--ink-500); font-size: 13px; line-height: 1.6; }
.system-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1.15fr auto 1fr auto 1fr; align-items: center; gap: 11px; margin-top: 28px; padding: 22px; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
.system-flow div { display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--ink-700); text-align: center; font-size: 11px; font-weight: 700; }
.system-flow div > i { color: var(--amber-dark); font-size: 20px; }
.system-flow .flow-zamok { padding: 14px 10px; border-radius: 12px; color: var(--ink-900); background: var(--green-tint); }
.flow-zamok img { width: 28px; }
.flow-arrow { color: var(--ink-300); }
.facts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
.facts-grid article { padding: 17px 18px; border-left: 3px solid var(--green); background: rgba(255,255,255,.72); }
.facts-grid strong { color: var(--ink-800); font: 700 13px var(--font-display); }
.facts-grid p { margin: 4px 0 0; color: var(--ink-500); font-size: 12.5px; line-height: 1.5; }
.rep-note { display: flex; align-items: center; gap: 18px; margin-top: 26px; padding: 17px 20px; border-radius: 12px; color: #7e590e; background: var(--amber-tint); font-size: 13px; }
.rep-note strong { flex: none; color: var(--amber-dark); font-family: var(--font-display); }

.scenario-picker { display: flex; gap: 9px; margin-bottom: 28px; padding: 6px; border: 1px solid var(--line); border-radius: 13px; background: var(--surface-2); }
.scenario-picker button { flex: 1; min-height: 46px; border: 0; border-radius: 9px; color: var(--ink-500); background: transparent; cursor: pointer; font-size: 13px; font-weight: 700; }
.scenario-picker button.active { color: #fff; background: var(--gradient); box-shadow: 0 7px 15px rgba(242,99,9,.2); }
.scenario-picker i { margin-right: 6px; }
.lifecycle { display: grid; grid-template-columns: 1fr 34px 1fr 34px 1fr 34px 1fr 34px 1fr; align-items: center; }
.lifecycle article { position: relative; min-height: 210px; padding: 26px 16px 20px; border: 1px solid var(--line); border-radius: 15px; text-align: center; background: #fff; transition: .25s ease; }
.lifecycle article.active { border-color: var(--amber); box-shadow: 0 12px 30px rgba(242,99,9,.13); transform: translateY(-5px); }
.lifecycle article > span { position: absolute; top: 10px; right: 12px; color: var(--ink-300); font: 700 10px var(--font-mono); }
.lifecycle article > i { display: grid; place-items: center; width: 48px; height: 48px; margin: 11px auto 18px; border-radius: 50%; color: var(--amber-dark); background: var(--amber-tint); font-size: 18px; }
.lifecycle h3 { font-size: 15px; }
.lifecycle p { margin: 7px 0 0; color: var(--ink-500); font-size: 11.5px; line-height: 1.5; }
.step-line { height: 2px; background: linear-gradient(90deg, var(--line), var(--amber), var(--line)); }

.path-selector { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.path-selector button { position: relative; min-height: 170px; padding: 22px 18px; border: 1px solid rgba(255,255,255,.11); border-radius: 15px; color: #b5c2cc; text-align: left; background: rgba(255,255,255,.035); cursor: pointer; transition: .2s ease; }
.path-selector button:hover, .path-selector button.active { border-color: var(--amber); background: rgba(247,144,9,.11); transform: translateY(-3px); }
.path-selector button > span { position: absolute; top: 13px; right: 14px; color: #5b6d7c; font: 700 11px var(--font-mono); }
.path-selector button > i { display: block; margin-bottom: 21px; color: var(--amber-bright); font-size: 25px; }
.path-selector strong, .path-selector small { display: block; }
.path-selector strong { color: #fff; font: 700 15px/1.35 var(--font-display); }
.path-selector small { margin-top: 6px; color: #8092a1; font-size: 11px; }
.path-panel { display: grid; grid-template-columns: 1.4fr 1fr; gap: 45px; margin-top: 16px; padding: 28px 30px; border: 1px solid rgba(255,255,255,.1); border-radius: 16px; background: rgba(0,0,0,.15); }
.path-label, .card-label { margin: 0 0 8px; color: var(--orange); font: 700 10px var(--font-mono); text-transform: uppercase; letter-spacing: .12em; }
.path-panel h3 { color: #fff; font-size: 23px; }
.path-panel p:not(.path-label) { margin: 9px 0 14px; color: #a8b7c3; font-size: 13.5px; line-height: 1.65; }
.path-panel a { color: var(--amber-bright); font: 700 12px var(--font-display); }
.path-panel ul { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; align-content: center; margin: 0; padding: 0; list-style: none; }
.path-panel li { padding: 10px 12px; border-radius: 8px; color: #d5dde3; background: rgba(255,255,255,.06); font-size: 11.5px; }
.path-panel li::before { content: "✓"; margin-right: 7px; color: var(--green); font-weight: 800; }
.center-action { margin-top: 25px; text-align: center; }

.two-column { display: grid; grid-template-columns: 1.04fr .96fr; gap: clamp(38px, 6vw, 90px); align-items: center; max-width: 1280px; }
.two-column h2 { max-width: 700px; }
.check-list { display: grid; gap: 9px; margin: 28px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 12px; align-items: center; color: var(--ink-700); font-size: 13px; }
.check-list span { display: grid; place-items: center; flex: none; width: 28px; height: 28px; border-radius: 50%; color: var(--amber-dark); background: var(--amber-tint); font: 700 10px var(--font-mono); }
.fit-card { padding: 29px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface-2); box-shadow: var(--shadow-md); }
.tick-list { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.tick-list li { color: var(--ink-700); font-size: 13.5px; }
.tick-list li::before { content: "✓"; display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 9px; border-radius: 50%; color: var(--green-dark); background: var(--green-tint); font-weight: 800; }
.scope-note { display: flex; gap: 12px; margin-top: 23px; padding: 15px; border-radius: 10px; color: #7d5811; background: var(--amber-tint); }
.scope-note > i { margin-top: 3px; color: var(--amber-dark); }
.scope-note p { margin: 0; font-size: 11.5px; line-height: 1.55; }
.scope-note strong { display: block; color: var(--ink-800); font-family: var(--font-display); }

.commerce-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
.deliverables, .deployment-modes article { border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: var(--shadow-sm); }
.deliverables { padding: 26px; }
.deliverables h3 { margin-bottom: 20px; font-size: 18px; }
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.mini-grid span { display: flex; align-items: center; gap: 9px; padding: 13px; border-radius: 9px; color: var(--ink-600); background: var(--surface-2); font-size: 12px; }
.mini-grid i { width: 19px; color: var(--amber-dark); text-align: center; }
.deployment-modes { display: grid; gap: 12px; }
.deployment-modes article { padding: 22px; }
.deployment-modes article > span { color: var(--green-dark); font: 700 9px var(--font-mono); text-transform: uppercase; letter-spacing: .12em; }
.deployment-modes h3 { margin-top: 7px; font-size: 18px; }
.deployment-modes p { margin: 6px 0 0; color: var(--ink-500); font-size: 12.5px; line-height: 1.6; }
.decision-band { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 18px; padding: 18px; border-radius: 13px; background: var(--slate-900); }
.decision-band strong { margin-right: 10px; color: #fff; font: 700 13px var(--font-display); }
.decision-band span { padding: 6px 10px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px; color: #aebcc7; font-size: 10.5px; }

.media-column { align-items: center; }
.three-ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 24px; }
.three-ways article { padding: 16px; border: 1px solid var(--line); border-radius: 11px; }
.three-ways strong { color: var(--ink-900); font: 700 13px var(--font-display); }
.three-ways p { margin: 6px 0 0; color: var(--ink-500); font-size: 11px; line-height: 1.5; }
.qualifier { display: flex; gap: 10px; margin: 20px 0 0; color: var(--ink-500); font-size: 11.5px; line-height: 1.55; }
.qualifier i { margin-top: 3px; color: var(--amber); }
.browser-visual { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow-lg); }
.browser-bar { display: flex; align-items: center; gap: 5px; padding: 11px 13px; color: var(--green-dark); border-bottom: 1px solid var(--line); background: var(--surface-2); }
.browser-bar > span { width: 7px; height: 7px; border-radius: 50%; background: #ccd1d5; }
.browser-bar small { flex: 1; margin-left: 9px; color: var(--ink-400); text-align: center; font-size: 9px; }
.browser-body { padding: 31px; }
.browser-body > p { margin: 0; color: var(--orange); font: 700 9px var(--font-mono); text-transform: uppercase; letter-spacing: .1em; }
.browser-body > h3 { margin-top: 6px; font-size: 21px; }
.browser-item { display: flex; justify-content: space-between; margin-top: 20px; padding: 14px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink-600); font-size: 11px; }
.browser-item strong { color: var(--ink-900); }
.physical-lane { position: relative; margin-top: 36px; padding: 20px 15px 15px; border-radius: 12px; text-align: center; background: var(--green-tint); }
.physical-lane > i { position: absolute; left: 50%; top: -26px; width: 28px; height: 28px; padding-top: 7px; border-radius: 50%; color: #fff; background: var(--green); transform: translateX(-50%); }
.physical-lane > strong { display: block; color: var(--green-dark); font: 700 12px var(--font-display); }
.physical-lane > div { display: flex; justify-content: center; gap: 7px; margin-top: 11px; }
.physical-lane span { padding: 7px 9px; border-radius: 7px; color: var(--ink-600); background: #fff; font-size: 9.5px; }
.zamok-adds { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.zamok-adds span { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-500); background: var(--surface-2); font-size: 10.5px; font-weight: 600; }

.connected-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.connected-flow > div { position: relative; display: flex; flex-direction: column; align-items: center; min-height: 150px; padding: 23px 12px 17px; border: 1px solid rgba(255,255,255,.1); border-radius: 13px; text-align: center; background: rgba(255,255,255,.035); }
.connected-flow > div:not(:last-child)::after { content: ""; position: absolute; z-index: 2; right: -18px; top: 48%; width: 25px; height: 2px; background: var(--amber); }
.connected-flow span { position: absolute; top: 9px; right: 10px; color: #637686; font: 700 9px var(--font-mono); }
.connected-flow i { margin: 14px 0 16px; color: var(--amber-bright); font-size: 23px; }
.connected-flow strong { color: #fff; font: 700 13px var(--font-display); }
.connected-flow small { margin-top: 5px; color: #8193a2; font-size: 10px; }
.proof-card { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; margin-top: 25px; padding: 23px; border: 1px solid rgba(255,255,255,.12); border-radius: 15px; background: rgba(255,255,255,.055); }
.proof-badge { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 14px; color: #fff; background: var(--gradient); font-size: 22px; }
.proof-card h3 { color: #fff; font-size: 19px; }
.proof-card p:not(.card-label) { margin: 5px 0 0; color: #a8b7c3; font-size: 12px; line-height: 1.55; }
.custom-tag { padding: 10px 12px; border-radius: 8px; color: #ddbd78; background: rgba(247,144,9,.1); font: 600 9px/1.45 var(--font-mono); text-align: center; text-transform: uppercase; }

.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.method-grid article { position: relative; min-height: 160px; padding: 22px 20px 18px 72px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow-sm); }
.method-grid article > i { position: absolute; left: 19px; top: 22px; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; color: #fff; background: var(--gradient); }
.method-grid h3 { margin-top: 2px; font-size: 15px; }
.method-grid p { margin: 7px 0 0; color: var(--ink-500); font-size: 12px; line-height: 1.55; }
.hardware-strip { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; margin-top: 22px; padding: 19px; border-radius: 12px; background: var(--surface-2); }
.hardware-strip strong { margin-right: 9px; color: var(--ink-800); font: 700 13px var(--font-display); }
.hardware-strip span { color: var(--ink-500); font-size: 10.5px; }
.hardware-strip i { color: var(--green-dark); }
.availability-note { margin: 14px 0 0; color: var(--ink-500); font-size: 11px; text-align: center; }
.availability-note i { margin-right: 6px; color: var(--amber); }

.comparison-toggle { display: flex; width: fit-content; margin: 0 auto 18px; padding: 5px; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.comparison-toggle button { padding: 10px 18px; border: 0; border-radius: 7px; color: var(--ink-500); background: transparent; cursor: pointer; font-size: 12px; font-weight: 700; }
.comparison-toggle button.active { color: #fff; background: var(--slate-800); }
.comparison-card { padding: 30px; border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: var(--shadow-md); }
.comparison-device { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 15px; align-items: center; }
.device-screen { display: flex; flex-direction: column; gap: 9px; align-items: center; justify-content: center; min-height: 120px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink-700); text-align: center; background: var(--surface-2); font-size: 12px; font-weight: 700; }
.device-screen i { color: var(--amber); font-size: 24px; }
.device-screen.success { color: var(--green-dark); background: var(--green-tint); }
.device-screen.success i { color: var(--green-dark); }
.comparison-device > i { color: var(--ink-300); }
.comparison-card > p { max-width: 780px; margin: 18px auto 0; color: var(--ink-500); font-size: 12px; line-height: 1.55; text-align: center; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 20px; }
.why-grid article { padding: 19px; border-top: 3px solid var(--green); background: #fff; }
.why-grid i { color: var(--green-dark); font-size: 19px; }
.why-grid h3 { margin-top: 12px; font-size: 14px; }
.why-grid p { margin: 6px 0 0; color: var(--ink-500); font-size: 11px; line-height: 1.55; }
.boundary-card { display: flex; gap: 18px; align-items: flex-start; margin-top: 22px; padding: 20px 22px; border: 1px solid #e4d0ad; border-radius: 13px; color: #76581c; background: #fff9ed; }
.boundary-card > i { color: var(--amber-dark); font-size: 22px; }
.boundary-card strong { color: var(--ink-800); font: 700 13px var(--font-display); }
.boundary-card p { margin: 5px 0 0; font-size: 11.5px; line-height: 1.6; }

.record-fields { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 23px; }
.record-fields span { padding: 8px 10px; border-radius: 7px; color: var(--ink-600); background: var(--surface-2); font-size: 10.5px; }
.image-frame { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: var(--shadow-lg); }
.image-frame img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: left top; }
.image-frame figcaption { padding: 12px 15px; color: var(--ink-400); font-size: 10px; }

.ops-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 27px; }
.ops-grid span { padding: 12px; border: 1px solid rgba(255,255,255,.09); border-radius: 8px; color: #b8c4ce; background: rgba(255,255,255,.04); font-size: 11px; }
.ops-grid i { width: 20px; color: var(--amber); }
.ops-console { overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 17px; background: #fff; box-shadow: 0 25px 60px rgba(0,0,0,.25); }
.console-head { display: flex; justify-content: space-between; padding: 17px 19px; color: var(--ink-900); border-bottom: 1px solid var(--line); font: 700 14px var(--font-display); }
.console-head span { color: var(--green-dark); font: 600 10px var(--font-body); }
.console-head span i { font-size: 6px; }
.console-row { display: flex; justify-content: space-between; align-items: center; padding: 17px 19px; border-bottom: 1px solid var(--line-soft); }
.console-row b, .console-row small { display: block; }
.console-row b { color: var(--ink-800); font-size: 11px; }
.console-row small { margin-top: 4px; color: var(--ink-400); font-size: 9px; }
.status { padding: 5px 8px; border-radius: 999px; font-size: 9px; font-weight: 700; }
.status.good { color: var(--green-dark); background: var(--green-tint); }
.status.warn { color: #9a6810; background: var(--amber-tint); }
.console-summary { display: grid; grid-template-columns: repeat(3, 1fr); padding: 16px; background: var(--surface-2); }
.console-summary span { color: var(--ink-400); font-size: 9px; text-align: center; }
.console-summary b { display: block; color: var(--ink-900); font: 700 17px var(--font-display); }

.integration-diagram { display: grid; grid-template-columns: 1fr 190px 1fr; gap: 35px; align-items: center; max-width: 920px; margin: 0 auto; }
.integration-side { display: grid; gap: 8px; }
.integration-side span { padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-600); background: var(--surface-2); font-size: 11px; }
.integration-side:first-child span { text-align: right; }
.integration-core { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 190px; border: 1px solid #cee3aa; border-radius: 50%; color: var(--green-dark); text-align: center; background: var(--green-tint); box-shadow: 0 0 0 14px rgba(145,201,47,.06); }
.integration-core::before, .integration-core::after { content: ""; position: absolute; top: 50%; width: 35px; height: 2px; background: var(--green); }
.integration-core::before { right: 100%; }
.integration-core::after { left: 100%; }
.integration-core img { width: 42px; margin-bottom: 9px; }
.integration-core strong { color: var(--ink-900); font: 700 13px var(--font-display); }
.integration-core small { margin-top: 3px; font-size: 9px; }
.processor-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 34px; }
.processor-points article { display: flex; gap: 13px; padding: 18px; border: 1px solid var(--line); border-radius: 11px; }
.processor-points i { color: var(--amber); }
.processor-points p { margin: 0; color: var(--ink-500); font-size: 11px; line-height: 1.5; }
.processor-points strong { display: block; margin-bottom: 4px; color: var(--ink-800); font: 700 12px var(--font-display); }
.faq-callout { display: grid; grid-template-columns: 260px 1fr; gap: 25px; align-items: center; margin-top: 18px; padding: 22px; border-radius: 12px; color: #dbe3e9; background: var(--slate-900); }
.faq-callout span { color: #fff; font: 700 15px var(--font-display); }
.faq-callout p { margin: 0; color: #aebbc5; font-size: 11.5px; line-height: 1.6; }

.responsibility-map { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.responsibility-map > div { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; padding: 12px 18px; border-bottom: 1px solid var(--line-soft); font-size: 11.5px; }
.responsibility-map > div:last-child { border: 0; }
.responsibility-map strong { color: var(--ink-800); }
.responsibility-map .map-head { color: #fff; background: var(--slate-800); font: 700 10px var(--font-mono); text-transform: uppercase; letter-spacing: .09em; }
.security-topics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.security-topics span { padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-600); background: #fff; font-size: 10.5px; }
.security-topics i { color: var(--green-dark); }

.objection-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
details { border: 1px solid var(--line); border-radius: 11px; background: #fff; }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.objection-list details { padding: 0 18px; }
.objection-list summary { display: flex; justify-content: space-between; gap: 15px; padding: 17px 0; color: var(--ink-800); font: 700 13px/1.4 var(--font-display); }
.objection-list summary i { margin-top: 3px; color: var(--amber); transition: transform .2s; }
.objection-list details[open] summary i { transform: rotate(45deg); }
.objection-list details p { margin: -2px 0 17px; color: var(--ink-500); font-size: 12px; line-height: 1.6; }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow-sm); }
table { width: 100%; min-width: 850px; border-collapse: collapse; font-size: 11px; }
th, td { padding: 13px 15px; border-bottom: 1px solid var(--line-soft); text-align: center; }
thead th { color: #fff; background: var(--slate-800); font: 700 10px var(--font-display); }
thead th:first-child, tbody th { text-align: left; }
tbody th { color: var(--ink-800); background: #fafafa; font-weight: 700; }
tbody td { color: var(--ink-500); }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
.faq-block { margin-top: 45px; }
.faq-block > h3 { margin-bottom: 18px; font-size: 23px; text-align: center; }
.faq-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; align-items: start; }
.faq-columns > div { display: grid; gap: 9px; }
.faq-columns details { padding: 0 17px; }
.faq-columns summary { display: flex; justify-content: space-between; gap: 14px; padding: 15px 0; color: var(--ink-800); font: 700 12px/1.4 var(--font-display); }
.faq-columns summary i { color: var(--amber); transition: transform .2s; }
.faq-columns details[open] summary i { transform: rotate(180deg); }
.faq-columns p { margin: -1px 0 15px; color: var(--ink-500); font-size: 11.5px; line-height: 1.6; }

.closing-cta { position: relative; display: grid; grid-template-columns: 300px 1fr; gap: clamp(40px, 6vw, 85px); align-items: center; padding: 78px clamp(34px, 5vw, 80px); overflow: hidden; color: #b8c4ce; background: linear-gradient(145deg, #111c25, #243746); }
.closing-cta h2 { max-width: 780px; color: #fff; }
.closing-cta > div:last-child > p:not(.eyebrow) { max-width: 780px; margin: 15px 0 0; color: #a9b7c3; font-size: 15px; line-height: 1.7; }
.cta-art { position: relative; display: grid; place-items: center; min-height: 260px; }
.receipt { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; width: 190px; padding: 29px 18px; border-radius: 15px 15px 4px 4px; color: var(--ink-800); text-align: center; background: #fff; box-shadow: var(--shadow-lg); transform: rotate(-3deg); }
.receipt::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 10px; background: linear-gradient(135deg, #fff 5px, transparent 0) 0 0/10px 10px repeat-x; }
.receipt i { color: var(--green); font-size: 28px; }
.receipt span { margin-top: 13px; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.receipt strong { margin-top: 5px; color: var(--ink-900); font: 800 28px var(--font-display); }
.cta-ring { position: absolute; border: 1px solid rgba(145,201,47,.25); border-radius: 50%; }
.ring-one { width: 250px; height: 250px; }
.ring-two { width: 330px; height: 330px; }
.site-footer { display: flex; gap: 30px; align-items: center; padding: 22px clamp(34px, 5vw, 80px); color: var(--ink-400); border-top: 1px solid var(--line); background: var(--surface-2); font-size: 9.5px; }
.site-footer > div { display: flex; flex: none; gap: 14px; align-items: center; }
.site-footer img:first-child { width: 102px; }
.site-footer img:last-child { width: 104px; filter: brightness(.2); }
.site-footer div span { width: 1px; height: 28px; background: var(--line); }
.site-footer p { flex: 1; max-width: 700px; line-height: 1.55; }
.site-footer > a { color: var(--ink-600); font-weight: 700; }

@media (max-width: 1180px) {
  .hero { grid-template-columns: 1fr .8fr; }
  .transaction-demo { min-height: 500px; }
  .responsibility-grid { grid-template-columns: 1fr 1fr; }
  .lifecycle { grid-template-columns: repeat(5, 1fr); gap: 9px; }
  .step-line { display: none; }
  .path-selector { grid-template-columns: 1fr 1fr; }
  .method-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  body.nav-open { overflow: hidden; }
  .sidebar { width: min(84vw, 310px); transform: translateX(-105%); transition: transform .25s ease; }
  body.nav-open .sidebar { transform: none; }
  .nav-scrim { position: fixed; inset: 0; z-index: 50; background: rgba(12,18,24,.58); }
  body.nav-open .nav-scrim { display: block; }
  .page-column { width: 100%; margin-left: 0; }
  .mobile-bar { position: sticky; top: 0; z-index: 45; display: flex; align-items: center; gap: 12px; min-height: 60px; padding: 9px 15px; color: #fff; background: var(--slate-900); box-shadow: var(--shadow-sm); }
  .menu-button { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; color: #fff; background: rgba(255,255,255,.07); cursor: pointer; }
  .mobile-brand { display: flex; gap: 8px; align-items: center; font: 700 12px var(--font-display); }
  .mobile-contact { margin-left: auto; padding: 8px 12px; border-radius: 7px; color: #fff; background: var(--gradient); font: 700 10px var(--font-display); }
  .section-anchor { scroll-margin-top: 60px; }
  .hero { grid-template-columns: 1fr; min-height: 0; padding-top: 55px; }
  .hero h1 { max-width: 16ch; }
  .transaction-demo { min-height: 490px; }
  .demo-window { right: auto; left: 0; width: min(94%, 500px); }
  .kiosk-wrap { right: 0; }
  .system-flow { grid-template-columns: 1fr; gap: 7px; }
  .system-flow .flow-arrow { transform: rotate(90deg); }
  .system-flow div { flex-direction: row; justify-content: center; width: 100%; min-height: 45px; }
  .system-flow .flow-zamok { flex-direction: row; }
  .facts-grid { grid-template-columns: 1fr 1fr; }
  .two-column, .commerce-layout { grid-template-columns: 1fr; }
  .browser-visual, .ops-console { max-width: 640px; }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .closing-cta { grid-template-columns: 220px 1fr; }
}

@media (max-width: 650px) {
  .section { padding: 56px 21px; }
  .hero { padding: 49px 21px 35px; gap: 12px; }
  .hero h1 { font-size: 39px; }
  .hero-lede { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .transaction-demo { min-height: 445px; margin-top: 15px; }
  .demo-window { top: 25px; width: 100%; }
  .demo-methods { flex-wrap: wrap; }
  .kiosk-wrap { display: none; }
  .section-heading { margin-bottom: 26px; }
  .section-heading h2, .section h2, .closing-cta h2 { font-size: 30px; }
  .split-heading { display: block; }
  .responsibility-grid, .facts-grid, .path-selector, .method-grid, .why-grid, .processor-points, .objection-list, .faq-columns { grid-template-columns: 1fr; }
  .responsibility-grid article { min-height: 0; }
  .rep-note { align-items: flex-start; flex-direction: column; gap: 5px; }
  .scenario-picker { display: grid; grid-template-columns: 1fr 1fr; }
  .scenario-picker button { font-size: 11px; }
  .lifecycle { grid-template-columns: 1fr; }
  .lifecycle article { display: grid; grid-template-columns: 43px 1fr; column-gap: 13px; min-height: 0; padding: 16px; text-align: left; }
  .lifecycle article > i { grid-row: span 2; width: 43px; height: 43px; margin: 0; }
  .lifecycle article > span { display: none; }
  .lifecycle article.active { transform: none; }
  .path-selector button { min-height: 132px; }
  .path-panel { grid-template-columns: 1fr; gap: 15px; padding: 22px; }
  .path-panel ul { grid-template-columns: 1fr; }
  .mini-grid, .three-ways, .ops-grid { grid-template-columns: 1fr; }
  .connected-flow { grid-template-columns: 1fr; }
  .connected-flow > div { display: grid; grid-template-columns: 40px 1fr; column-gap: 12px; min-height: 0; text-align: left; }
  .connected-flow > div:not(:last-child)::after { left: 31px; right: auto; top: calc(100% - 2px); width: 2px; height: 12px; }
  .connected-flow i { grid-row: span 2; margin: 0; }
  .proof-card { grid-template-columns: auto 1fr; }
  .custom-tag { grid-column: 1 / -1; }
  .method-grid article { min-height: 0; }
  .comparison-toggle { width: 100%; }
  .comparison-toggle button { flex: 1; padding-inline: 10px; font-size: 10px; }
  .comparison-device { grid-template-columns: 1fr; }
  .comparison-device > i { transform: rotate(90deg); }
  .integration-diagram { grid-template-columns: 1fr; gap: 17px; }
  .integration-side:first-child span { text-align: left; }
  .integration-core { width: 180px; min-height: 180px; margin: auto; }
  .integration-core::before, .integration-core::after { display: none; }
  .faq-callout { grid-template-columns: 1fr; gap: 8px; }
  .responsibility-map > div { grid-template-columns: 1fr; gap: 4px; }
  .closing-cta { grid-template-columns: 1fr; padding: 60px 21px; }
  .cta-art { display: none; }
  .site-footer { align-items: flex-start; flex-direction: column; padding: 23px 21px; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}