:root {
  /* světlé plochy – neutrální, ne žluté */
  --bg: #f7f5f2;
  --card: #ffffff;
  --ink: #1d1814;
  --muted: #6e665f;
  --line: #e6e0d8;
  /* tmavé plochy – espresso */
  --dark: #17120f;
  --dark-2: #241c17;
  --on-dark: #f3ece2;
  --on-dark-muted: #b9ad9f;
  /* zlato */
  --gold: #c2a06a;
  --gold-dark: #8f6e3e;
  --gold-soft: #faf6ef;
  --gold-grad: linear-gradient(135deg, #e3c88f 0%, #b8925a 45%, #dcc08a 70%, #a8834a 100%);
  --error: #a4412f;
  --radius: 4px;
  --shadow: 0 18px 40px rgba(23, 18, 15, .08);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.12; margin: 0; }
p { margin: 0; }
img { max-width: 100%; }

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.container.narrow { max-width: 760px; }

.demo-banner {
  background: var(--dark); color: var(--gold); text-align: center;
  font-size: 12px; letter-spacing: .08em; padding: 7px 16px; border-bottom: 1px solid rgba(194, 160, 106, .25);
}

.eyebrow {
  display: block; font: 600 12px/1 var(--sans); letter-spacing: .32em; text-transform: uppercase; color: var(--gold);
}

/* ---------- HERO ---------- */
.hero {
  position: relative; overflow: hidden; color: var(--on-dark);
  background:
    radial-gradient(ellipse 60% 55% at 50% 0%, rgba(194, 160, 106, .22), transparent 70%),
    radial-gradient(ellipse 40% 50% at 100% 100%, rgba(194, 160, 106, .08), transparent 70%),
    linear-gradient(180deg, var(--dark-2), var(--dark));
  padding: 56px 0 76px;
}
.hero::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: min(520px, 70%); height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.hero-inner { display: grid; gap: 40px; align-items: center; }
.hero-text { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 22px; }
.logo { width: min(230px, 58vw); height: auto; opacity: 0; transition: opacity .8s; }
.logo.ready { opacity: 1; }
.hero h1 { font-size: clamp(40px, 7.4vw, 66px); font-weight: 400; color: var(--on-dark); }
.hero h1 em { font-style: italic; color: var(--gold); }
.lead { max-width: 560px; color: var(--on-dark-muted); font-size: 17px; }
.lead + .lead { margin-top: -8px; }
.hero-bonus {
  font-size: 14px; letter-spacing: .04em; color: var(--on-dark);
  border: 1px solid rgba(194, 160, 106, .45); padding: 9px 20px; border-radius: 999px;
}
.hero-bonus strong { color: var(--gold); font-weight: 600; }
@media (min-width: 860px) {
  .hero { padding: 72px 0 96px; }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block; border: 0; cursor: pointer;
  font: 600 13px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase;
  padding: 18px 34px; border-radius: 999px; text-decoration: none; text-align: center;
  transition: filter .2s, transform .1s, background .2s, color .2s;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--gold-grad); color: var(--dark); box-shadow: 0 8px 24px rgba(168, 131, 74, .28); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-primary:disabled { opacity: .6; cursor: wait; }
.btn-ghost { background: transparent; color: var(--gold-dark); border: 1px solid var(--gold); }
.btn-ghost:hover { background: var(--gold-soft); }
.btn-demo { background: var(--dark); color: var(--gold); margin-bottom: 10px; }
.btn-block { display: block; width: 100%; }

/* ---------- SECTIONS ---------- */
.section { padding: 76px 0; }
.section-dark { background: linear-gradient(180deg, var(--dark), var(--dark-2)); color: var(--on-dark); }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-title { font-size: clamp(32px, 5vw, 46px); text-align: center; }
.section-dark .section-title { color: var(--on-dark); }

/* ---------- VOUCHER CARDS ---------- */
.vouchers { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.voucher {
  background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow);
  display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s;
}
.voucher:hover { transform: translateY(-4px); box-shadow: 0 26px 50px rgba(23, 18, 15, .12); }
.voucher-img {
  position: relative; padding: 28px 22px 24px;
  background: radial-gradient(ellipse at 50% 30%, #3a2d24, var(--dark));
}
.voucher-img img { display: block; width: 100%; height: auto; box-shadow: 0 14px 30px rgba(0, 0, 0, .45); }
.bonus-badge {
  position: absolute; top: 12px; right: 12px; padding: 6px 12px; border-radius: 999px;
  background: var(--gold-grad); color: var(--dark); font-size: 11px; font-weight: 700; letter-spacing: .06em;
}
.voucher-body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 6px; flex: 1; text-align: center; }
.voucher-body h3 { font-size: 30px; }
.voucher-body p { color: var(--muted); flex: 1; }
.voucher-body .voucher-price {
  font: 600 13px/1 var(--sans); letter-spacing: .24em; color: var(--gold-dark); flex: none; margin-bottom: 6px;
}
.voucher-body .btn { margin-top: 14px; }

/* ---------- STEPS ---------- */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); text-align: center; }
.steps h3 { font-size: 26px; margin: 16px 0 8px; color: var(--on-dark); }
.steps p { color: var(--on-dark-muted); }
.step-num {
  display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid var(--gold); color: var(--gold); font-family: var(--serif); font-size: 24px;
}

/* ---------- FORM ---------- */
.card { background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); padding: 28px; }
.form fieldset { border: 0; padding: 0; margin: 0 0 32px; min-width: 0; }
.form legend { font-family: var(--serif); font-size: 26px; font-weight: 500; margin-bottom: 14px; padding: 0; }

.choice-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.choice-grid.two { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.choice { position: relative; cursor: pointer; }
.choice input { position: absolute; opacity: 0; }
.choice-body {
  display: flex; flex-direction: column; gap: 2px; height: 100%;
  padding: 16px 18px; border: 1px solid var(--line); background: #fff;
  transition: border-color .15s, background .15s, box-shadow .15s;
}
.choice-body strong { font-weight: 600; }
.choice-body small { color: var(--muted); }
.choice-body .choice-bonus { color: var(--gold-dark); font-weight: 600; }
.choice:hover .choice-body { border-color: var(--gold); }
.choice input:checked + .choice-body { border-color: var(--gold); background: var(--gold-soft); box-shadow: inset 0 0 0 1px var(--gold); }
.choice input:focus-visible + .choice-body { outline: 2px solid var(--gold); outline-offset: 2px; }

.motif-grid { display: grid; gap: 10px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 620px) { .motif-grid { grid-template-columns: repeat(4, 1fr); } }
.motif .choice-body { padding: 8px 8px 10px; gap: 8px; font-size: 14px; }
.motif img { display: block; width: 100%; aspect-ratio: 1797 / 1273; object-fit: cover; background: var(--dark); }

.preview {
  margin: 0 0 32px; padding: 26px 22px 24px;
  background: radial-gradient(ellipse at 50% 30%, #3a2d24, var(--dark));
}
.preview-label { font-size: 11px; font-weight: 600; letter-spacing: .3em; text-transform: uppercase; color: var(--gold); margin-bottom: 14px; text-align: center; }
.preview canvas { display: block; width: 100%; height: auto; box-shadow: 0 18px 40px rgba(0, 0, 0, .5); }

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > .field { flex: 1 1 200px; }
.row > .field-short { flex: 0 1 130px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; font-size: 13px; font-weight: 600; letter-spacing: .02em; }
.field em { font-weight: 400; color: var(--muted); }
.field input, .field textarea {
  font: 16px var(--sans); color: var(--ink);
  padding: 13px 14px; border: 1px solid var(--line); background: #fff; width: 100%; border-radius: 0;
}
.field textarea { resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(194, 160, 106, .15); }
.field input.invalid { border-color: var(--error); }

.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.consent input { margin-top: 4px; accent-color: var(--gold-dark); width: 18px; height: 18px; }
.consent.invalid span { color: var(--error); }

.summary {
  display: flex; justify-content: space-between; align-items: baseline;
  border-top: 1px solid var(--line); padding: 18px 0; margin-bottom: 10px;
}
.summary span { font-size: 12px; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: var(--muted); }
.summary strong { font-family: var(--serif); font-size: 36px; font-weight: 500; }
.form-error { color: var(--error); font-size: 14px; margin-bottom: 12px; }

/* ---------- PAYMENT ---------- */
.payment-head { text-align: center; margin-bottom: 26px; }
.payment-head h3 { font-size: 32px; margin: 12px 0 6px; }
.payment-head p { color: var(--muted); }
.check {
  display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 50%;
  background: var(--gold-grad); color: var(--dark); font-size: 22px;
}
.payment-body { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; justify-content: center; }
.qr-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--muted); }
#qrcode { background: #fff; padding: 12px; border: 1px solid var(--line); }
#qrcode img, #qrcode canvas { display: block; width: 200px; height: 200px; }
.pay-details { margin: 0; flex: 1 1 260px; }
.pay-details div { padding: 11px 0; border-bottom: 1px solid var(--line); }
.pay-details dt { font-size: 11px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.pay-details dd { margin: 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; font-weight: 700; font-size: 18px; word-break: break-all; }
.copy {
  flex: none; font: 600 11px var(--sans); letter-spacing: .08em; color: var(--gold-dark); background: var(--gold-soft);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; cursor: pointer;
}
.hint { font-size: 14px; color: var(--muted); background: var(--bg); padding: 12px 14px; margin: 20px 0; }

/* ---------- VOUCHER RESULT ---------- */
.voucher-result img { display: block; width: 100%; box-shadow: 0 20px 44px rgba(23, 18, 15, .3); margin-bottom: 26px; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.btn-row .btn { flex: 1 1 200px; }

/* ---------- OVĚŘENÍ POUKAZU ---------- */
.verify-page { background: linear-gradient(180deg, var(--dark-2), var(--dark)); min-height: 100vh; }
.verify { padding-top: 32px; padding-bottom: 48px; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.verify > * { width: 100%; }
.verify .verify-logo { width: 170px; }
.verify h1 { font-size: 36px; text-align: center; color: var(--on-dark); }
.verify-search .field input { font-size: 20px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.status { display: flex; gap: 14px; align-items: center; padding: 16px; background: var(--bg); margin-bottom: 8px; }
.status strong { font-size: 20px; }
.status p { color: var(--muted); font-size: 14px; }
.status-icon {
  flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  color: #fff; font-size: 22px; font-weight: 700;
}
.status-ok { background: #edf5ea; }
.status-ok .status-icon { background: #3f7a3a; }
.status-bad { background: #f9e9e6; }
.status-bad .status-icon { background: var(--error); }
.status-warn { background: #fbf1dc; }
.status-warn .status-icon { background: #b7832a; }
.redeem { margin-top: 20px; }

/* ---------- FOOTER ---------- */
.footer { background: #0f0c0a; color: var(--on-dark-muted); padding: 36px 0; font-size: 14px; border-top: 1px solid rgba(194, 160, 106, .25); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer strong { color: var(--on-dark); font-family: var(--serif); font-size: 20px; font-weight: 500; }
.footer-tel { color: var(--gold); text-decoration: none; }

.legend-note { font-family: var(--sans); font-size: 13px; font-style: normal; color: var(--muted); font-weight: 400; }
.field-hint { font-size: 14px; color: var(--muted); margin: -4px 0 14px; }
.preview-side { font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--on-dark-muted); margin: 14px 0 8px; text-align: center; }
.preview-front { display: block; width: 100%; height: auto; box-shadow: 0 18px 40px rgba(0, 0, 0, .5); }