/* Till-POS website — same design system as the app (mobile/src/ui/theme.js):
   brand teal, one neutral ramp, mint only on teal, mono for paper and codes,
   the torn till-receipt edge as the signature. */

:root {
  --teal: #1B4651;
  --teal-deep: #0E262C;
  --mint: #5EEAD4;
  --page: #F4F4F5;
  --card: #FFFFFF;
  --raised: #F4F4F5;
  --hair: rgba(23, 23, 23, 0.08);
  --text: #171717;
  --text2: #525252;
  --muted: #737373;
  --faint: #A3A3A3;
  --paper: #FFFDF7;
  --ink: #1F1F1F;
  --good: #16A34A;
  --warn: #D97706;
  --bad: #DC2626;
  --on-teal: rgba(255, 255, 255, 0.72);
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --radius: 12px;
  --max: 1200px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; }
p { margin: 0; }
.mono { font-family: var(--mono); }
.tnum { font-variant-numeric: tabular-nums; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .wrap { padding: 0 16px; } }

:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 20px; border-radius: 10px; border: 1px solid transparent;
  font: 600 15px/1 var(--sans); cursor: pointer; white-space: nowrap;
  transition: background-color .15s var(--ease), border-color .15s var(--ease), transform .1s var(--ease), color .15s var(--ease);
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: #163b44; }
.btn-light { background: #fff; color: var(--teal); }
.btn-light:hover { background: #EEF4F5; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.24); }
.btn-ghost:hover { background: rgba(255,255,255,0.08); }
.btn-outline { background: #fff; color: var(--text); border-color: var(--hair); }
.btn-outline:hover { border-color: rgba(23,23,23,0.18); }
.btn svg { width: 18px; height: 18px; }

/* ── Nav ───────────────────────────────────────────────────────────────── */
.nav { position: sticky; top: 0; z-index: 50; background: var(--teal); }
.nav.scrolled { box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 8px 24px rgba(14,38,44,0.18); }
.nav-in { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; font-size: 18px; letter-spacing: -0.01em; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { color: var(--on-teal); font-size: 15px; font-weight: 500; transition: color .15s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; }
.nav .btn { height: 40px; padding: 0 16px; font-size: 14px; }
.menu-btn { display: none; margin-left: auto; width: 40px; height: 40px; border-radius: 10px; border: 0; background: rgba(255,255,255,0.10); color: #fff; cursor: pointer; }
.menu-btn svg { width: 20px; height: 20px; margin: auto; display: block; }
@media (max-width: 860px) {
  .nav-links, .nav .nav-cta { display: none; }
  .menu-btn { display: block; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; gap: 0; position: absolute; left: 0; right: 0; top: 68px;
    background: var(--teal); padding: 4px 16px 20px; border-bottom-left-radius: 20px; border-bottom-right-radius: 20px;
  }
  .nav.open .nav-links a { padding: 14px 4px; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 17px; color: #fff; }
  .nav.open .nav-links .btn { margin-top: 16px; display: flex; }
}
.nav-links .btn { display: none; }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero { background: var(--teal); color: #fff; border-bottom-left-radius: 32px; border-bottom-right-radius: 32px; overflow: hidden; }
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding-top: 56px; }
.hero h1 { font-size: clamp(40px, 5.6vw, 68px); letter-spacing: -0.035em; line-height: 1.04; font-weight: 600; }
.hero .lead { font-size: clamp(17px, 1.6vw, 20px); line-height: 1.5; color: var(--on-teal); margin-top: 20px; max-width: 36rem; }
.hero .ctas { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.hero .facts { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 32px; font-size: 14px; color: var(--on-teal); }
.hero .facts span { display: inline-flex; align-items: center; gap: 8px; }
.hero .facts i { width: 6px; height: 6px; border-radius: 3px; background: var(--mint); display: inline-block; }
.hero-art { position: relative; height: 640px; align-self: end; }
.hero-art .phone { position: absolute; left: 50%; top: 40px; width: 360px; transform: translateX(-62%); filter: drop-shadow(0 30px 60px rgba(0,0,0,0.25)); }
.hero-art .slip { position: absolute; right: 0; top: 230px; width: 250px; transform: rotate(4deg); filter: drop-shadow(0 24px 40px rgba(0,0,0,0.22)); }
@media (max-width: 960px) {
  .hero-in { grid-template-columns: 1fr; gap: 24px; padding-top: 40px; text-align: left; }
  .hero-art { height: 520px; }
  .hero-art .phone { width: 300px; top: 24px; transform: translateX(-60%); }
  .hero-art .slip { right: 4%; top: 170px; width: 210px; }
}
@media (max-width: 480px) {
  .hero-art { height: 440px; }
  .hero-art .phone { width: 250px; top: 16px; transform: translateX(-66%); }
  .hero-art .slip { width: 168px; right: 0; top: 150px; }
}

/* ── Receipt slip (HTML, mono, torn edges) ─────────────────────────────── */
.slip { color: var(--ink); font-family: var(--mono); }
.slip .paper { background: var(--paper); padding: 16px 18px; font-size: 12px; line-height: 1.6; }
.slip .t { text-align: center; font-weight: 700; font-size: 13px; letter-spacing: .04em; }
.slip .s { text-align: center; color: #5A5A5A; font-size: 11px; }
.slip .rule { border-top: 1px dashed #B5B5B5; margin: 8px 0; }
.slip .row { display: flex; justify-content: space-between; gap: 8px; }
.slip .row span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.slip .tot { border-top: 1px solid var(--ink); margin-top: 6px; padding-top: 6px; font-weight: 700; font-size: 13px; }
.slip .stamp { margin: 10px auto 0; width: fit-content; padding: 2px 10px; border: 1px solid rgba(23,23,23,.15); border-radius: 5px; font-size: 11px; }
.teeth { display: block; width: 100%; height: 8px; color: var(--paper); }

/* ── Strip under the hero: facts printed on a slip ─────────────────────── */
.strip { margin-top: -1px; }
.strip .paper { background: var(--paper); }
.strip-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding: 22px 0; font-family: var(--mono); font-size: 14px; color: var(--ink); }
.strip-in span { display: inline-flex; align-items: center; gap: 10px; }
.strip-in b { font-weight: 700; }

/* ── Sections ──────────────────────────────────────────────────────────── */
section { scroll-margin-top: 80px; }
.sec { padding: 112px 0 0; }
.sec-head { max-width: 44rem; }
.eyebrow { font-family: var(--mono); font-size: 13px; color: var(--teal); letter-spacing: .02em; }
.sec-head h2 { font-size: clamp(32px, 4vw, 48px); letter-spacing: -0.03em; margin-top: 12px; }
.sec-head p { font-size: 18px; color: var(--text2); margin-top: 16px; }
@media (max-width: 640px) { .sec { padding-top: 80px; } .sec-head p { font-size: 16px; } }

/* How it works: three steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 48px; }
.step { background: #fff; border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; }
.step .txt { padding: 24px 24px 0; }
.step .num { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.step h3 { font-size: 22px; margin-top: 8px; }
.step p { color: var(--text2); margin-top: 8px; font-size: 15px; }
.step .shot { margin-top: 24px; height: 380px; overflow: hidden; display: flex; justify-content: center; background: linear-gradient(180deg, #fff 0, var(--page) 100%); }
.step .shot img { width: 260px; height: auto; margin-top: 8px; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } .step .shot { height: 340px; } }

/* Feature bento */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 48px; }
.tile { background: #fff; border-radius: 16px; overflow: hidden; position: relative; display: flex; flex-direction: column; min-height: 320px; }
.tile .txt { padding: 28px 28px 0; max-width: 30rem; }
.tile h3 { font-size: 24px; }
.tile p { color: var(--text2); margin-top: 10px; font-size: 15px; }
.tile ul { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; font-size: 15px; color: var(--text2); }
.tile li { display: flex; gap: 10px; align-items: baseline; }
.tile li::before { content: ""; width: 6px; height: 6px; border-radius: 3px; background: var(--teal); flex: none; transform: translateY(-2px); }
.tile .shot { margin-top: auto; display: flex; justify-content: center; padding-top: 28px; height: 360px; overflow: hidden; }
.tile .shot img { width: 270px; height: auto; }
.tile.dark { background: var(--teal); color: #fff; }
.tile.dark p, .tile.dark ul { color: var(--on-teal); }
.tile.dark li::before { background: var(--mint); }
.span-4 { grid-column: span 4; } .span-3 { grid-column: span 3; } .span-2 { grid-column: span 2; }
.tile.split { flex-direction: row; align-items: stretch; }
.tile.split .txt { padding: 36px; flex: 1; align-self: center; }
.tile.split .shot { margin: 0; padding: 36px 36px 0; height: auto; align-self: flex-end; flex: none; }
@media (max-width: 1000px) { .span-4, .span-3, .span-2 { grid-column: span 6; } }
@media (max-width: 720px) {
  .tile.split { flex-direction: column; }
  .tile.split .txt { padding: 28px 28px 0; }
  .tile.split .shot { align-self: center; padding-top: 24px; height: 360px; }
}

/* Small features list */
.more { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--hair); border-radius: 16px; overflow: hidden; margin-top: 48px; }
.more div { background: #fff; padding: 24px; }
.more .ic { width: 36px; height: 36px; border-radius: 10px; background: #E2EDEF; display: grid; place-items: center; color: var(--teal); }
.more .ic svg { width: 18px; height: 18px; }
.more h4 { font-size: 16px; margin-top: 16px; letter-spacing: -0.01em; }
.more p { font-size: 14px; color: var(--muted); margin-top: 6px; }
@media (max-width: 1000px) { .more { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .more { grid-template-columns: 1fr; } }

/* Offline + currency (teal band) */
.band { background: var(--teal); color: #fff; border-radius: 24px; margin-top: 112px; overflow: hidden; }
.band-in { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding: 64px; align-items: center; }
.band h2 { font-size: clamp(30px, 3.6vw, 44px); letter-spacing: -0.03em; }
.band p { color: var(--on-teal); font-size: 17px; margin-top: 16px; }
.sync { margin-top: 28px; display: grid; gap: 10px; }
.sync div { display: flex; align-items: center; gap: 12px; background: rgba(255,255,255,0.08); border-radius: 12px; padding: 14px 16px; font-size: 15px; }
.sync i { width: 8px; height: 8px; border-radius: 4px; flex: none; }
.sync .r { margin-left: auto; font-family: var(--mono); font-size: 13px; color: var(--on-teal); }
.cur { font-family: var(--mono); color: var(--ink); }
.cur .paper { background: var(--paper); padding: 24px 28px; font-size: 15px; line-height: 2; }
.cur .row { display: flex; justify-content: space-between; }
.cur .muted { color: #5A5A5A; }
@media (max-width: 900px) { .band-in { grid-template-columns: 1fr; padding: 40px 24px; gap: 32px; } }

/* Video */
.video { display: grid; grid-template-columns: 1fr 380px; gap: 48px; align-items: center; }
.video .frame { width: 100%; max-width: 380px; aspect-ratio: 9 / 16; border-radius: 24px; overflow: hidden; background: var(--teal); justify-self: end; }
.video video { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 860px) { .video { grid-template-columns: 1fr; } .video .frame { justify-self: center; max-width: 340px; } }

/* FAQ */
.faq { margin-top: 40px; background: #fff; border-radius: 16px; padding: 0 24px; }
.faq details { border-bottom: 1px solid var(--hair); }
.faq details:last-child { border-bottom: 0; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 0; font-size: 17px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; width: 10px; height: 10px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg) translate(-2px, -2px); transition: transform .2s var(--ease); flex: none; }
.faq details[open] summary::after { transform: rotate(225deg) translate(-2px, -2px); }
.faq .a { color: var(--text2); padding: 0 0 22px; max-width: 52rem; }

/* Closing CTA */
.cta { margin: 112px 0 0; background: var(--teal); color: #fff; border-radius: 24px; padding: 64px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(30px, 3.6vw, 44px); letter-spacing: -0.03em; max-width: 22ch; }
.cta p { color: var(--on-teal); margin-top: 12px; font-size: 17px; }
@media (max-width: 640px) { .cta { padding: 40px 24px; } }

/* Footer */
.foot { margin-top: 96px; border-top: 1px solid var(--hair); }
.foot-in { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding-top: 40px; padding-bottom: 48px; color: var(--muted); font-size: 14px; }
.foot .brand { color: var(--text); }
.foot nav { display: flex; gap: 24px; flex-wrap: wrap; }
.foot a:hover { color: var(--text); }

/* ── Inner pages (contact, privacy, terms) ─────────────────────────────── */
.page-head { background: var(--teal); color: #fff; border-bottom-left-radius: 32px; border-bottom-right-radius: 32px; padding: 64px 0 72px; }
.page-head h1 { font-size: clamp(36px, 4.6vw, 56px); letter-spacing: -0.035em; }
.page-head p { color: var(--on-teal); font-size: 18px; margin-top: 14px; max-width: 40rem; }
.page-head .meta { font-family: var(--mono); font-size: 13px; color: var(--on-teal); margin-top: 16px; }

.legal { display: grid; grid-template-columns: 240px 1fr; gap: 48px; padding-top: 56px; }
.toc { position: sticky; top: 96px; align-self: start; font-size: 14px; }
.toc a { display: block; padding: 6px 0; color: var(--muted); }
.toc a:hover { color: var(--text); }
.doc { background: #fff; border-radius: 16px; padding: 48px; max-width: 760px; }
.doc h2 { font-size: 22px; margin: 40px 0 12px; letter-spacing: -0.02em; scroll-margin-top: 96px; }
.doc h2:first-child { margin-top: 0; }
.doc p, .doc li { color: var(--text2); font-size: 16px; }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 20px; margin: 12px 0 0; display: grid; gap: 6px; }
.doc a { color: var(--teal); text-decoration: underline; text-underline-offset: 3px; }
.doc strong { color: var(--text); font-weight: 600; }
@media (max-width: 900px) { .legal { grid-template-columns: 1fr; } .toc { display: none; } .doc { padding: 28px 20px; } }

.contact { display: grid; grid-template-columns: 1fr 380px; gap: 24px; padding-top: 56px; align-items: start; }
.form { background: #fff; border-radius: 16px; padding: 32px; }
.form h2 { font-size: 22px; }
.form .sub { color: var(--muted); margin-top: 6px; font-size: 15px; }
.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 500; color: var(--text2); }
.field input, .field select, .field textarea {
  height: 48px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--hair); background: var(--raised);
  font: 400 16px/1.4 var(--sans); color: var(--text); transition: border-color .15s, background-color .15s; width: 100%;
}
.field textarea { height: 140px; padding: 12px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--teal); background: #fff; }
.field .err { font-size: 12px; color: var(--bad); display: none; }
.field.invalid input, .field.invalid textarea, .field.invalid select { border-color: #FCA5A5; background: #FEF2F2; }
.field.invalid .err { display: block; }
.form .actions { display: flex; align-items: center; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.form .note { font-size: 13px; color: var(--muted); }
.side { display: grid; gap: 16px; }
.side .card { background: #fff; border-radius: 16px; padding: 24px; }
.side h3 { font-size: 17px; }
.side p { color: var(--muted); font-size: 15px; margin-top: 6px; }
.side .link { display: inline-flex; margin-top: 12px; color: var(--teal); font-weight: 600; font-size: 15px; }
.sent { display: none; margin-top: 16px; padding: 14px 16px; border-radius: 10px; background: #F0FDF4; color: #166534; font-size: 15px; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } .fgrid { grid-template-columns: 1fr; } .form { padding: 24px 20px; } }

/* Reveal on scroll — one gentle fade + rise */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}