:root {
  --stampos-navy: #13283A;
  --stampos-navy-2: #0D1E2D;
  --stampos-deep: #07131F;
  --stampos-green: #19A974;
  --stampos-green-dark: #12845B;
  --stampos-coral: #FFB49D;
  --stampos-blue: #02A9E6;
  --stampos-orange: #F04414;
  --stampos-purple: #B93DCC;
  --stampos-white: #FFFFFF;
  --stampos-bg: #F6F8FA;
  --stampos-surface: #FFFFFF;
  --stampos-text: #13283A;
  --stampos-muted: #5B6B7A;
  --stampos-border: #D9E2EA;
  --stampos-warning: #F5A623;
  --stampos-error: #D64545;
  --shadow-card: 0 24px 70px rgba(19, 40, 58, 0.16);
  --shadow-soft: 0 12px 34px rgba(19, 40, 58, 0.09);
  --radius-md: 16px;
  --radius-lg: 28px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--stampos-bg);
  color: var(--stampos-text);
  line-height: 1.6;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(7,19,31,.88); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(255,255,255,.1); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--stampos-white); font-weight: 900; letter-spacing: -.04em; }
.brand-mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 13px; overflow: hidden; box-shadow: 0 12px 24px rgba(0,0,0,.22); }
.brand-mark img { display: block; width: 100%; height: 100%; }
.brand-word { font-size: 1.4rem; }
.brand-word span { color: var(--stampos-green); }
.nav-links { display: flex; align-items: center; gap: 8px; list-style: none; margin: 0; padding: 0; color: rgba(255,255,255,.84); font-weight: 700; }
.nav-links a { display: inline-flex; padding: 10px 14px; border-radius: 999px; }
.nav-links a:hover, .nav-links a:focus-visible { background: rgba(255,255,255,.1); color: var(--stampos-white); }
.nav-links .nav-cta { background: var(--stampos-green); color: var(--stampos-white); }
.nav-toggle { display: none; border: 1px solid rgba(255,255,255,.24); background: transparent; color: var(--stampos-white); border-radius: 999px; padding: 10px 14px; font-weight: 800; }

.section { padding: 104px 0; }
.section-dark { position: relative; overflow: hidden; background: radial-gradient(circle at top right, rgba(25,169,116,.28), transparent 30rem), radial-gradient(circle at left, rgba(255,180,157,.12), transparent 36rem), linear-gradient(135deg, var(--stampos-navy), var(--stampos-deep)); color: var(--stampos-white); }
.section-muted { background: #EAF0F4; }
.hero { padding: 118px 0 102px; }
.ambient { position: absolute; width: 360px; height: 360px; border-radius: 999px; filter: blur(54px); opacity: .35; pointer-events: none; }
.ambient-one { background: var(--stampos-green); top: 8%; right: 8%; }
.ambient-two { background: var(--stampos-coral); bottom: -12%; left: 6%; }
.hero-grid, .split-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .96fr); gap: 64px; align-items: center; position: relative; z-index: 1; }
.hero-grid-wide { grid-template-columns: minmax(360px, .75fr) minmax(560px, 1.25fr); }
.split-grid.reverse { grid-template-columns: minmax(360px, .96fr) minmax(0, 1fr); }
.eyebrow { margin: 0 0 12px; color: var(--stampos-green); font-size: .78rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -.048em; }
h1 { font-size: clamp(3rem, 6.6vw, 6.6rem); max-width: 980px; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
h3 { font-size: 1.3rem; }
p { margin: 0; }
.hero-text, .section-heading p, .split-grid p, .cta-panel p { color: var(--stampos-muted); font-size: 1.1rem; }
.section-dark .hero-text, .section-heading.light p, .section-dark .split-grid p { color: rgba(255,255,255,.76); }
.hero-copy { display: grid; gap: 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span { border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.78); border-radius: 999px; padding: 8px 12px; font-size: .86rem; font-weight: 800; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 13px 22px; border-radius: 999px; font-weight: 900; border: 1px solid transparent; transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--stampos-green); color: var(--stampos-white); box-shadow: 0 16px 32px rgba(25,169,116,.28); }
.button-primary:hover { background: var(--stampos-green-dark); }
.button-secondary { background: rgba(255,255,255,.1); color: var(--stampos-white); border-color: rgba(255,255,255,.22); }

.desktop-frame { background: #0A1521; border: 1px solid rgba(255,255,255,.14); border-radius: 28px; overflow: hidden; box-shadow: 0 35px 100px rgba(0,0,0,.42), 0 0 0 10px rgba(255,255,255,.04); transform: perspective(1200px) rotateY(-5deg) rotateX(3deg); }
.app-topbar { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px; background: #07131F; color: var(--stampos-coral); }
.app-brand { display: flex; align-items: center; gap: 10px; font-size: 1.05rem; }
.app-brand img { width: 26px; height: 26px; border-radius: 7px; }
.app-status { color: #9EF0C7; font-size: .82rem; font-weight: 800; }
.app-toolbar { display: flex; gap: 10px; align-items: center; padding: 12px 18px; background: #0E1B28; color: rgba(255,255,255,.75); font-size: .78rem; font-weight: 800; }
.app-toolbar button { border: 0; color: #F7C2B2; background: #172C42; padding: 10px 16px; border-radius: 10px; font-weight: 900; }
.pos-layout { display: grid; grid-template-columns: 1fr 220px; min-height: 430px; }
.sales-panel { padding: 22px; }
.sales-panel h3, .sale-panel h3 { color: #F7C2B2; margin-bottom: 14px; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.tile { min-height: 105px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; color: white; font-weight: 900; display: grid; place-content: center; gap: 2px; text-align: center; box-shadow: inset 0 0 34px rgba(255,255,255,.08); }
.tile span { font-size: .76rem; }
.blue { background: linear-gradient(145deg, #0475B8, #02A9E6); }
.orange { background: linear-gradient(145deg, #D9290D, #FF4B19); }
.purple { background: linear-gradient(145deg, #7C20A8, #CB48D8); }
.sale-panel { border-left: 1px solid rgba(255,255,255,.1); padding: 22px; background: rgba(255,255,255,.025); }
.sale-empty { min-height: 210px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.15); border-radius: 12px; color: rgba(255,255,255,.62); font-weight: 700; text-align: center; }
.sale-total-line { display: block; color: #F7C2B2; margin: 18px 0; font-size: 1.05rem; }
.pay-button { width: 100%; border: 0; border-radius: 12px; background: var(--stampos-green); color: white; padding: 16px; font-weight: 900; }

.trust-strip { background: var(--stampos-surface); border-bottom: 1px solid var(--stampos-border); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; }
.trust-grid div { padding: 24px 20px; display: grid; gap: 2px; }
.trust-grid span { color: var(--stampos-muted); font-size: .92rem; }
.section-heading { max-width: 780px; margin-bottom: 42px; display: grid; gap: 16px; }
.section-heading.centered { text-align: center; margin-inline: auto; }
.section-heading.light { text-align: center; margin-inline: auto; }
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature-grid-plus { grid-template-columns: repeat(3, 1fr); }
.feature-card { min-height: 230px; padding: 26px; border-radius: var(--radius-md); background: var(--stampos-surface); border: 1px solid var(--stampos-border); box-shadow: var(--shadow-soft); display: flex; flex-direction: column; gap: 14px; }
.feature-card::before { content: ""; width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(135deg, var(--stampos-green), #42D39D); box-shadow: 0 10px 22px rgba(25,169,116,.22); }
.feature-card p { color: var(--stampos-muted); }

.showcase-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 18px; }
.screen-card { min-height: 390px; border-radius: 28px; padding: 24px; box-shadow: var(--shadow-card); display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.dark-screen { background: linear-gradient(145deg, #08131F, #10283B); color: white; }
.light-screen { background: white; border: 1px solid var(--stampos-border); }
.screen-card-header { display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.screen-card-header span { color: var(--stampos-green); font-weight: 900; text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; }
.screen-card-header strong { font-size: 1.45rem; letter-spacing: -.04em; }
.mini-sales-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 24px 0; }
.mini-sales-grid span { height: 86px; border-radius: 14px; }
.table-preview { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid #E8D9D2; border-radius: 14px; overflow: hidden; margin: 24px 0; font-size: .78rem; }
.table-preview span, .table-preview b { padding: 10px; border-bottom: 1px solid #E8D9D2; background: #FFF8F4; }
.table-preview b { background: #fff; font-weight: 700; }
.readiness-preview { display: grid; gap: 12px; margin: 24px 0; }
.readiness-preview button { width: fit-content; border: 0; background: var(--stampos-green); color: white; border-radius: 8px; padding: 10px 14px; font-weight: 900; }
.readiness-preview button + button { background: #EEF0F2; color: var(--stampos-text); }
.readiness-preview div { border: 1px solid var(--stampos-border); border-radius: 12px; padding: 20px; color: var(--stampos-muted); }

.interactive-demo, .payment-flow-card { background: white; border: 1px solid var(--stampos-border); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-card); }
.demo-header { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 18px; }
.demo-header span { color: var(--stampos-green); font-weight: 900; text-transform: uppercase; letter-spacing: .12em; font-size: .75rem; }
.demo-header strong { font-size: 1.25rem; }
.demo-buttons { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.demo-buttons button { border: 0; border-radius: 14px; background: #EAF0F4; padding: 20px 8px; font-weight: 900; color: var(--stampos-text); cursor: pointer; }
.demo-buttons button:hover { background: var(--stampos-green); color: white; }
.demo-result { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 18px 0; }
.demo-result div { background: var(--stampos-navy); color: white; border-radius: 18px; padding: 20px; display: grid; gap: 4px; }
.demo-result span { color: rgba(255,255,255,.64); font-weight: 800; }
.demo-result strong { font-size: 2rem; letter-spacing: -.05em; }
.demo-reset { border: 1px solid var(--stampos-border); background: white; border-radius: 999px; padding: 12px 16px; font-weight: 900; color: var(--stampos-text); cursor: pointer; }

.payment-flow-card { display: grid; gap: 14px; }
.dark-flow { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.16); }
.flow-step { display: grid; grid-template-columns: 44px 1fr; column-gap: 14px; align-items: center; padding: 16px; border-radius: 18px; background: #F6F8FA; }
.dark-flow .flow-step { background: rgba(255,255,255,.1); }
.flow-step span { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; background: var(--stampos-navy); color: white; font-weight: 900; grid-row: span 2; }
.flow-step.active span { background: var(--stampos-green); }
.flow-step small { color: var(--stampos-muted); font-weight: 700; }
.dark-flow .flow-step small { color: rgba(255,255,255,.62); }
.panel-list { display: grid; gap: 16px; }
.panel-list > div { background: var(--stampos-surface); border: 1px solid var(--stampos-border); border-radius: var(--radius-md); padding: 22px; box-shadow: var(--shadow-soft); }
.panel-list p { margin-top: 10px; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 6px 11px; font-size: .82rem; font-weight: 900; }
.badge.success { background: rgba(25,169,116,.12); color: #0D6F4C; }
.badge.warning { background: rgba(245,166,35,.14); color: #8A5600; }
.badge.error { background: rgba(214,69,69,.12); color: #9D2323; }
.final-cta { background: linear-gradient(180deg, #F6F8FA, #EAF0F4); }
.cta-panel { background: var(--stampos-surface); border: 1px solid var(--stampos-border); border-radius: var(--radius-lg); padding: 42px; box-shadow: var(--shadow-card); display: flex; justify-content: space-between; gap: 32px; align-items: center; }
.cta-panel-dark { background: linear-gradient(135deg, var(--stampos-navy), var(--stampos-deep)); color: white; border: 0; }
.cta-panel > div { max-width: 760px; display: grid; gap: 14px; }
.cta-panel-dark p { color: rgba(255,255,255,.76); }
.site-footer { background: var(--stampos-navy); color: rgba(255,255,255,.76); padding: 32px 0; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

@media (max-width: 1060px) {
  .hero-grid-wide, .hero-grid, .split-grid, .split-grid.reverse { grid-template-columns: 1fr; gap: 44px; }
  .desktop-frame { transform: none; }
  .showcase-grid, .feature-grid-plus { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 920px) {
  .nav-toggle { display: inline-flex; }
  .nav-links { position: fixed; inset: 76px 16px auto 16px; display: none; flex-direction: column; align-items: stretch; padding: 16px; border-radius: 22px; background: var(--stampos-navy-2); box-shadow: var(--shadow-card); }
  .nav-links.is-open { display: flex; }
  .nav-links a { justify-content: center; }
  .trust-grid, .card-grid { grid-template-columns: repeat(2, 1fr); }
  .pos-layout { grid-template-columns: 1fr; }
  .sale-panel { border-left: 0; border-top: 1px solid rgba(255,255,255,.1); }
}
@media (max-width: 640px) {
  .section, .hero { padding: 72px 0; }
  .brand-word { font-size: 1.15rem; }
  .card-grid, .trust-grid, .showcase-grid, .feature-grid-plus { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .demo-buttons { grid-template-columns: repeat(2, 1fr); }
  .demo-result { grid-template-columns: 1fr; }
  .cta-panel { padding: 28px; align-items: flex-start; flex-direction: column; }
  .app-status { display: none; }
  h1 { font-size: clamp(2.6rem, 14vw, 4.5rem); }
}