/* Paytrol (paytrol.net): light, glossy and sleek; charcoal as the contrasting colour, one light-blue accent. */
:root {
  --ink: #2B2F36; --ink-2: #4a505b; --muted: #5d6573; --accent: #8CCBF2; --accent-ink: #1f6f9f;
  --bg: #f6fafd; --glass: rgba(255,255,255,.5); --glass-solid: rgba(255,255,255,.86); --line: rgba(140,203,242,.9);
  --ok: #1d7a52; --bad: #b3261e; --radius: 16px; --shadow: 0 10px 30px -12px rgba(43,47,54,.18), 0 2px 6px -2px rgba(43,47,54,.08);
  --city: #8CCBF2;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink); font: 16px/1.5 "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  background: radial-gradient(120% 60% at 50% -10%, #ffffff 0%, rgba(255,255,255,0) 60%), linear-gradient(180deg, #eef6fc 0%, #f6fafd 35%, #fbfdff 100%);
  background-attachment: fixed; min-height: 100vh;
}
a { color: var(--accent-ink); }
img { max-width: 100%; }
.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 560px; }

/* Header */
.top { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); background: rgba(246,250,253,.72); border-bottom: 1px solid rgba(140,203,242,.45); }
.top .wrap { display: flex; align-items: center; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand img { height: 32px; width: auto; }
.brand small { display: block; font-size: 11px; color: var(--muted); letter-spacing: .02em; margin-top: -2px; }
.nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav a, .nav button { text-decoration: none; color: var(--ink); padding: 8px 12px; border-radius: 10px; font-size: 14px; background: none; border: 0; cursor: pointer; font-family: inherit; }
.nav a.on, .nav a:hover, .nav button:hover { background: rgba(140,203,242,.25); }
.tabbar { display: none; }
@media (max-width: 760px) {
  .nav .tab { display: none; }
  .tabbar { display: grid; grid-template-columns: repeat(5, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: rgba(255,255,255,.92); backdrop-filter: blur(14px); border-top: 1px solid rgba(140,203,242,.6); padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); }
  .tabbar a { text-align: center; text-decoration: none; color: var(--muted); font-size: 11px; padding: 4px 0; }
  .tabbar a svg { display: block; margin: 0 auto 2px; width: 22px; height: 22px; }
  .tabbar a.on { color: var(--ink); font-weight: 600; }
  main { padding-bottom: 88px; }
}

/* Surfaces */
main { padding: 28px 0 56px; animation: rise .35s ease-out both; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.box { background: var(--glass); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.box.solid { background: var(--glass-solid); }
.box + .box, .stack > * + * { margin-top: 16px; }
.grid { display: grid; gap: 16px; }
@media (max-width: 819px) { .wallet-card { order: -1; } }
@media (min-width: 820px) { .grid.two { grid-template-columns: 1.1fr .9fr; } .grid.three { grid-template-columns: repeat(3, 1fr); } }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .4em; }
h1 { font-size: clamp(26px, 4.5vw, 40px); }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
p { margin: 0 0 .8em; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 11px; color: var(--muted); font-weight: 600; }

/* Buttons and forms */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 12px; font: 600 15px/1 inherit; font-family: inherit; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: transform .08s, box-shadow .15s; }
.btn:active { transform: translateY(1px); }
.btn.primary { color: #fff; background: linear-gradient(180deg, #3d424b 0%, var(--ink) 55%, #22252b 100%); box-shadow: inset 0 1px 0 rgba(255,255,255,.22), 0 6px 16px -8px rgba(43,47,54,.6); }
.btn.secondary { color: var(--ink); background: rgba(255,255,255,.7); border-color: var(--accent); }
.btn.danger { color: #fff; background: var(--bad); }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
label { display: block; font-weight: 600; font-size: 14px; margin: 14px 0 6px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=search], textarea, select {
  width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 12px; border: 1px solid rgba(140,203,242,.95); background: rgba(255,255,255,.9); font: inherit; color: var(--ink);
}
textarea { min-height: 96px; }
input.pin { letter-spacing: .5em; font-size: 22px; text-align: center; font-variant-numeric: tabular-nums; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.check input { margin-top: 4px; }
.err { color: var(--bad); font-size: 14px; margin-top: 6px; }
.flash { padding: 12px 16px; border-radius: 12px; background: rgba(29,122,82,.1); border: 1px solid rgba(29,122,82,.35); margin-bottom: 16px; }
.alert { padding: 12px 16px; border-radius: 12px; background: rgba(179,38,30,.08); border: 1px solid rgba(179,38,30,.35); margin-bottom: 16px; color: var(--bad); }

/* Amounts and symbol */
.ptl-sym { display: inline-block; vertical-align: -0.08em; }
.ptl-amt { white-space: nowrap; font-variant-numeric: tabular-nums; }
.balance { font-size: clamp(40px, 9vw, 64px); font-weight: 700; letter-spacing: -.02em; line-height: 1; }
.plus { color: var(--ok); } .minus { color: var(--ink); }

/* Lists */
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid rgba(140,203,242,.4); }
.list li:last-child { border-bottom: 0; }
.list .grow { flex: 1; min-width: 0; }
.list .title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--accent); background: rgba(140,203,242,.15); color: var(--ink); white-space: nowrap; }
.chip.gold { border-color: #d9b45a; background: rgba(217,180,90,.18); }
.ico { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: rgba(140,203,242,.22); flex: none; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.qa { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.qa a { display: flex; flex-direction: column; align-items: center; gap: 6px; text-decoration: none; color: var(--ink); font-size: 13px; font-weight: 600; padding: 14px 6px; border-radius: 14px; background: rgba(255,255,255,.6); border: 1px solid var(--line); }
.qa a svg { width: 24px; height: 24px; color: var(--city); filter: saturate(1.2) brightness(.8); }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th, table.t td { text-align: left; padding: 10px 8px; border-bottom: 1px solid rgba(140,203,242,.4); vertical-align: top; }
table.t th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

/* The Paytrol Credit Card */
.pcard { position: relative; width: 100%; max-width: 400px; aspect-ratio: 1.586; border-radius: 18px; overflow: hidden; color: #fff; box-shadow: 0 24px 50px -22px rgba(20,24,30,.65), 0 2px 8px rgba(20,24,30,.15); isolation: isolate; }
.pcard .art { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: -2; }
.pcard .art.pattern { background: radial-gradient(120% 90% at 85% 10%, var(--c3) 0%, transparent 45%), linear-gradient(135deg, var(--c1) 0%, var(--c2) 100%); }
.pcard .art.pattern::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(115deg, rgba(255,255,255,.06) 0 2px, transparent 2px 14px); }
.pcard::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(0,0,0,0) 35%, rgba(10,12,16,.72) 100%); }
.pcard::after { content: ""; position: absolute; inset: -40% -10% auto -10%; height: 70%; background: linear-gradient(180deg, rgba(255,255,255,.28), rgba(255,255,255,0)); transform: rotate(-8deg); pointer-events: none; }
.pcard .sym { position: absolute; top: 16px; right: 18px; width: 34px; height: 34px; }
.pcard .city { position: absolute; top: 18px; left: 20px; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; opacity: .92; }
.pcard .city b { display: block; font-size: 13px; letter-spacing: .02em; text-transform: none; font-weight: 600; opacity: .85; }
.pcard .num { position: absolute; left: 20px; bottom: 54px; font-size: clamp(15px, 4.2vw, 19px); letter-spacing: .12em; font-variant-numeric: tabular-nums; text-shadow: 0 1px 2px rgba(0,0,0,.4); }
.pcard .who { position: absolute; left: 20px; right: 20px; bottom: 16px; display: flex; justify-content: space-between; align-items: end; gap: 8px; font-size: 13px; }
.pcard .who b { display: block; font-size: 15px; }
.pcard.frozen { filter: grayscale(.85) brightness(.9); }
.pcard .ice { position: absolute; inset: 0; display: grid; place-items: center; font-weight: 700; letter-spacing: .2em; background: rgba(255,255,255,.18); backdrop-filter: blur(2px); }

/* Card reveal */
.reveal { display: grid; place-items: center; gap: 18px; padding: 24px 0; }
.reveal #result { width: 100%; max-width: 400px; }
.sealed { width: 100%; max-width: 400px; aspect-ratio: 1.586; border-radius: 18px; border: 0; cursor: pointer; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #3d424b, #2B2F36 60%, #1d2026); color: #fff; box-shadow: 0 24px 50px -22px rgba(20,24,30,.65); font: inherit; }
.sealed::before { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(45deg, rgba(140,203,242,.12) 0 10px, transparent 10px 20px); }
.sealed .ribbon { position: absolute; left: 0; right: 0; top: 50%; height: 34px; margin-top: -17px; background: linear-gradient(180deg, #a9dbf7, #8CCBF2 50%, #6db6e3); box-shadow: 0 2px 8px rgba(0,0,0,.25); }
.sealed .label { position: relative; z-index: 2; font-weight: 700; letter-spacing: .08em; }
.sealed.opening { animation: unwrap .9s cubic-bezier(.6,-0.2,.4,1.2) forwards; }
@keyframes unwrap { 0% { transform: none; } 30% { transform: rotate(-3deg) scale(1.03); } 60% { transform: rotate(2deg) scale(1.05); } 100% { transform: scale(.2) rotate(12deg); opacity: 0; } }
.cityin { animation: cityin 1.2s ease-out both; }
@keyframes cityin { from { opacity: 0; transform: scale(.94); filter: blur(8px); } to { opacity: 1; transform: none; filter: none; } }

/* Landing */
.hero { padding: 40px 0 8px; display: grid; gap: 28px; align-items: center; }
@media (min-width: 880px) { .hero { grid-template-columns: 1.1fr .9fr; } }
.hero .lead { font-size: 19px; color: var(--ink-2); max-width: 36em; }
.ps { display: grid; gap: 14px; }
@media (min-width: 760px) { .ps { grid-template-columns: repeat(3, 1fr); } }
.ps .box h3 { font-size: 18px; }
.rules li { padding: 8px 0; }
footer { border-top: 1px solid rgba(140,203,242,.45); padding: 24px 0 40px; font-size: 13px; color: var(--muted); }
footer a { color: var(--muted); }
.qrbox { background: #fff; border-radius: 16px; padding: 14px; display: inline-block; border: 1px solid var(--line); }
.qrbox svg { display: block; width: 240px; height: 240px; }
video.scanner { width: 100%; border-radius: 16px; background: #111; aspect-ratio: 1; object-fit: cover; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }