:root {
  --ground: #F3F4EF;
  --ink: #14211B;
  --card: #FFFFFF;
  --line: #E1E4DC;
  --line-strong: #C9CFC5;
  --muted: #55615A;
  --green: #1F6B45;
  --green-dark: #14492F;
  --green-soft: #E3EDE6;
  --amber: #F2B544;
  --amber-soft: #FCEBC4;
  --amber-ink: #2A1E04;
  --danger: #A3321F;
  --display: 'Space Grotesk', system-ui, sans-serif;
  --body: 'DM Sans', system-ui, sans-serif;
  --wrap: 1120px;
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
html, body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--body); -webkit-font-smoothing: antialiased; }
body { font-size: 17px; line-height: 1.55; overflow-x: hidden; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--display); letter-spacing: -0.02em; line-height: 1.08; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
img, svg { display: block; }

.wrap { width: min(var(--wrap), 100% - 40px); margin: 0 auto; }
.muted { color: var(--muted); }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--green); }
.section { padding: 96px 0; }
.section-head { max-width: 640px; display: flex; flex-direction: column; gap: 14px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(32px, 4.4vw, 48px); }
.section-head p { font-size: 19px; color: var(--muted); }
.center { text-align: center; margin-left: auto; margin-right: auto; align-items: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 54px; padding: 0 24px; border-radius: 999px; border: none;
  background: var(--green); color: #FFF; font-weight: 700; font-size: 17px; text-decoration: none;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--green-dark); }
.btn:active { transform: scale(.98); }
.btn.amber { background: var(--amber); color: var(--amber-ink); }
.btn.amber:hover { background: #E8A935; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line-strong); }
.btn.ghost:hover { background: var(--card); }
.btn.small { height: 44px; padding: 0 18px; font-size: 15px; }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(243, 244, 239, .86); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px); transition: box-shadow .2s; }
.nav.scrolled { box-shadow: 0 1px 0 var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-size: 22px; font-weight: 700; text-decoration: none; letter-spacing: -0.02em; }
.logo-mark { width: 34px; height: 34px; border-radius: 10px; background: var(--ink); display: grid; place-items: center; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { text-decoration: none; font-weight: 600; font-size: 15px; color: var(--muted); }
.nav-links a:hover { color: var(--ink); }
.nav-links a.lang-link { border: 1px solid var(--line-strong); border-radius: 999px; padding: 6px 12px; }
.nav-links a.btn, .nav-links a.btn:hover { color: #FFF; }
.menu-btn { display: none; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: 12px; background: transparent; align-items: center; justify-content: center; }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 96px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(42px, 6.2vw, 72px); letter-spacing: -0.035em; }
.hero h1 em { font-style: normal; background: linear-gradient(transparent 62%, var(--amber) 62%, var(--amber) 92%, transparent 92%); padding: 0 4px; }
.hero .lead { font-size: 20px; color: var(--muted); margin-top: 22px; max-width: 520px; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; padding: 0; list-style: none; font-size: 15px; font-weight: 600; }
.checks li { display: flex; align-items: center; gap: 8px; }
.checks svg { color: var(--green); flex: none; }

.demo { position: relative; display: flex; justify-content: center; align-items: center; min-height: 600px; }
.demo::before { content: ''; position: absolute; inset: 40px 0; border-radius: 40px; background: radial-gradient(circle at 30% 20%, #fff 0, transparent 60%), var(--green-soft); }
.phone {
  position: relative; width: 300px; padding: 14px; border-radius: 46px; background: var(--ink);
  box-shadow: 0 40px 80px -30px rgba(20, 33, 27, .5), 0 0 0 1px rgba(255,255,255,.06) inset;
  transform: rotate(-3deg);
}
.screen { border-radius: 34px; background: var(--ground); padding: 34px 16px 18px; display: flex; flex-direction: column; gap: 12px; overflow: hidden; position: relative; }
.screen::before { content: ''; position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 84px; height: 22px; border-radius: 12px; background: var(--ink); }
.screen .store { font-family: var(--display); font-weight: 700; font-size: 20px; letter-spacing: -0.02em; }
.screen .tag { font-size: 11px; color: var(--muted); margin-top: 2px; }
.points { background: var(--ink); color: var(--ground); border-radius: 18px; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.points .label { font-size: 11px; color: #BAC5BE; }
.points .big { display: flex; align-items: baseline; gap: 6px; }
.points .num { font-family: var(--display); font-size: 42px; font-weight: 700; line-height: 1; letter-spacing: -1px; display: inline-block; }
.points .unit { font-size: 13px; color: #BAC5BE; }
.bar { height: 6px; border-radius: 3px; background: #33423A; overflow: hidden; }
.bar > div { height: 100%; width: 0; border-radius: 3px; background: var(--amber); transition: width .5s ease; }
.points .row { display: flex; justify-content: space-between; gap: 8px; font-size: 11px; }
.points .row span:first-child { font-weight: 600; }
.points .row span:last-child { color: #D2DAD5; }
.points.ready { box-shadow: 0 0 0 3px var(--amber); }
.qr-card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 14px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.qr-card .head { font-size: 11px; font-weight: 600; }
.qr { width: 132px; height: 132px; padding: 6px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.code { font-family: var(--display); font-size: 22px; font-weight: 700; letter-spacing: 3px; }
.timer { font-size: 10px; color: var(--muted); }
.bump { animation: bump .6s ease; }
@keyframes bump { 0% { transform: scale(1); } 35% { transform: scale(1.2); color: var(--amber); } 100% { transform: scale(1); } }

.till {
  position: absolute; right: -8px; bottom: 70px; width: 220px; padding: 16px; border-radius: 20px;
  background: var(--card); border: 1px solid var(--line); box-shadow: 0 24px 50px -24px rgba(20,33,27,.35);
  display: flex; flex-direction: column; gap: 10px; transform: rotate(2deg);
}
.till .t-head { display: flex; justify-content: space-between; align-items: center; font-size: 12px; font-weight: 700; color: var(--muted); }
.till .t-head b { font-family: var(--display); color: var(--ink); font-size: 15px; }
.till .t-code { height: 44px; border: 2px solid var(--line-strong); border-radius: 12px; display: flex; align-items: center; padding: 0 12px; font-family: var(--display); font-size: 18px; letter-spacing: 2px; color: var(--muted); }
.till .t-amount { display: flex; gap: 6px; }
.till .t-amount button { flex: 1; height: 36px; border-radius: 10px; border: 2px solid var(--line); background: var(--card); font-weight: 700; }
.till .t-amount button[aria-pressed="true"] { border-color: var(--green); background: var(--green-soft); }
.till .give { height: 50px; border-radius: 14px; border: none; background: var(--green); color: #fff; font-weight: 700; font-size: 16px; }
.till .give:hover { background: var(--green-dark); }
.till .hint { font-size: 11px; color: var(--muted); text-align: center; }
.confetti { position: absolute; inset: 0; pointer-events: none; overflow: hidden; border-radius: 34px; }
.confetti i { position: absolute; top: -10px; width: 8px; height: 12px; border-radius: 2px; animation: fall 1.4s ease-in forwards; }
@keyframes fall { to { transform: translateY(620px) rotate(540deg); opacity: .2; } }

/* ---------- Industries ---------- */
.industries { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.industry { padding: 26px 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; border-top: 4px solid var(--amber); }
.industry h3 { font-size: 20px; }
.industry p { color: var(--muted); font-size: 16px; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.step .n { width: 44px; height: 44px; border-radius: 14px; background: var(--ink); color: var(--amber); font-family: var(--display); font-weight: 700; font-size: 20px; display: grid; place-items: center; }
.step h3 { font-size: 23px; }
.step p { color: var(--muted); }

/* ---------- Features ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { padding: 28px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; }
.feature .ic { width: 48px; height: 48px; border-radius: 14px; background: var(--green-soft); color: var(--green); display: grid; place-items: center; }
.feature h3 { font-size: 20px; }
.feature p { color: var(--muted); font-size: 16px; }
.feature.dark { background: var(--ink); color: var(--ground); border-color: var(--ink); }
.feature.dark p { color: #BAC5BE; }
.feature.dark .ic { background: #24342C; color: var(--amber); }

/* ---------- Compare ---------- */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare .col { border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; gap: 18px; }
.compare .old { background: transparent; border: 1px dashed var(--line-strong); }
.compare .new { background: var(--ink); color: var(--ground); }
.compare h3 { font-size: 24px; }
.compare ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.compare li { display: flex; gap: 12px; align-items: flex-start; }
.compare li svg { flex: none; margin-top: 3px; }
.compare .old li svg { color: var(--danger); }
.compare .old li { color: var(--muted); }
.compare .new li svg { color: var(--amber); }

/* ---------- Calculator ---------- */
.calc { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
.calc .inputs { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; gap: 28px; }
.range { display: flex; flex-direction: column; gap: 10px; }
.range .top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.range label { font-weight: 600; }
.range output { font-family: var(--display); font-weight: 700; font-size: 22px; }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 8px; border-radius: 4px; background: var(--line); outline-offset: 6px; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px; border-radius: 50%; background: var(--green); border: 4px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.25); }
input[type=range]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--green); border: 4px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.25); }
.calc .result { background: var(--green); color: #fff; border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
.calc .result .k { font-size: 15px; color: #CFE3D6; }
.calc .result .v { font-family: var(--display); font-size: clamp(40px, 5vw, 56px); font-weight: 700; letter-spacing: -0.03em; line-height: 1; margin-top: 8px; }
.calc .result .sub { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.2); }
.calc .result .sub b { display: block; font-family: var(--display); font-size: 24px; }
.calc .result .note { font-size: 13px; color: #CFE3D6; }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 0 24px; }
.faq summary { list-style: none; cursor: pointer; padding: 22px 0; font-weight: 700; font-size: 18px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: var(--display); font-size: 28px; font-weight: 500; color: var(--green); transition: transform .2s; line-height: 1; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 22px; color: var(--muted); }

/* ---------- CTA / form ---------- */
.cta { background: var(--ink); color: var(--ground); border-radius: 32px; padding: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; position: relative; overflow: hidden; }
.cta::after { content: ''; position: absolute; width: 360px; height: 360px; border-radius: 50%; right: -120px; top: -160px; background: radial-gradient(circle, rgba(242,181,68,.35), transparent 70%); pointer-events: none; }
.cta h2 { font-size: clamp(32px, 4.2vw, 46px); }
.cta p { color: #BAC5BE; font-size: 18px; margin-top: 16px; }
.form { display: flex; flex-direction: column; gap: 12px; position: relative; z-index: 1; }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: #D2DAD5; }
.form input, .form select { height: 52px; padding: 0 16px; border-radius: 14px; border: 1px solid #33423A; background: #1C2B24; color: var(--ground); font-size: 16px; }
.form input::placeholder { color: #7D8B83; }
.form input:focus, .form select:focus { outline: none; border-color: var(--amber); }
.form .btn { margin-top: 6px; height: 56px; }
.form .fine { font-size: 13px; color: #8E9C94; }

/* ---------- Footer ---------- */
footer { padding: 48px 0 40px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; font-size: 14px; color: var(--muted); }
footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
footer a { text-decoration: none; }
footer a:hover { color: var(--ink); }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; }
  .features, .industries { grid-template-columns: 1fr 1fr; }
  .cta { grid-template-columns: 1fr; padding: 40px; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .section { padding: 72px 0; }
  .nav-links { position: fixed; inset: 72px 0 auto 0; background: var(--ground); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px; border-bottom: 1px solid var(--line); display: none; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 0; font-size: 17px; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 14px; }
  .menu-btn { display: inline-flex; }
  .steps, .features, .compare, .calc, .industries { grid-template-columns: 1fr; }
  .demo { min-height: 560px; }
  .phone { width: 270px; transform: rotate(-2deg) translateX(-24px); }
  .till { right: 0; bottom: 30px; width: 196px; }
  .cta { padding: 32px 22px; border-radius: 24px; }
  .form .two { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .bump, .confetti i { animation: none; }
  .bar > div { transition: none; }
}

/* ---------- Guide page ---------- */
.guide-hero { padding: 48px 0 32px; }
.guide-hero h1 { font-size: clamp(36px, 5vw, 56px); margin-top: 12px; }
.guide-hero p { font-size: 19px; color: var(--muted); margin-top: 16px; max-width: 640px; }
.crumbs { font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--green); font-weight: 600; text-decoration: none; }
.guide { display: grid; grid-template-columns: 240px 1fr; gap: 48px; align-items: start; padding-bottom: 72px; }
.toc { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 4px; font-size: 15px; }
.toc b { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 6px; }
.toc a { text-decoration: none; color: var(--muted); padding: 6px 0; font-weight: 600; }
.toc a:hover { color: var(--green); }
.guide article { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.guide-step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.guide-step h2 { font-size: 26px; display: flex; align-items: center; gap: 14px; }
.guide-step h2 .n { flex: none; width: 40px; height: 40px; border-radius: 12px; background: var(--ink); color: var(--amber); font-size: 18px; display: grid; place-items: center; }
.guide-step h3 { font-size: 18px; margin-top: 6px; }
.guide-step p, .guide-step li { color: var(--muted); }
.guide-step ol, .guide-step ul { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 8px; }
.guide-step b { color: var(--ink); }
.tip { border-left: 4px solid var(--amber); background: #FFF8E8; padding: 14px 16px; border-radius: 0 12px 12px 0; font-size: 15px; color: var(--ink); }
.guide-cta { background: var(--ink); color: var(--ground); border-radius: var(--radius); padding: 32px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.guide-cta h2 { font-size: 28px; }
.guide-cta p { color: #BAC5BE; margin-top: 6px; }
@media (max-width: 860px) {
  .guide { grid-template-columns: 1fr; gap: 24px; }
  .toc { position: static; flex-direction: row; flex-wrap: wrap; gap: 4px 16px; }
  .toc b { width: 100%; }
}