:root {
  --brand-blue: #12a0e6;
  --brand-blue-dark: #0178d9;
  --brand-gradient: linear-gradient(135deg, #58adf5 0%, #0178d9 100%);
  --background: #f1f1f1;
  --surface: #ffffff;
  --text-primary: #2c3e50;
  --text-muted: #9eadbd;
  --text-secondary: #163a5e;
  --border: #e5e5e5;
  --shadow: 0 18px 48px rgba(22, 58, 94, 0.08);
  --radius-card: 24px;
  --radius-button: 16px;
  --font-en: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-uk: "Montserrat", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--background);
  color: var(--text-primary);
  font-family: var(--font-en);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body[data-lang="uk"] {
  font-family: var(--font-uk);
}

.page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 20px 40px;
}

.page__inner {
  width: 100%;
  max-width: 420px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.brand__icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 13px;
  object-fit: cover;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-secondary);
  letter-spacing: -0.02em;
}

.brand__badge {
  display: none;
  align-self: flex-start;
  margin-top: 2px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(18, 160, 230, 0.12);
  color: var(--brand-blue);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand__badge.is-visible {
  display: inline-block;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding: 32px 24px 28px;
  text-align: center;
}

.card__eyebrow {
  margin: 0 0 8px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.card__volume {
  margin: 0;
  font-size: clamp(3rem, 14vw, 3.75rem);
  font-weight: 200;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.card__unit {
  display: inline-block;
  margin-left: 0.12em;
  font-size: 0.42em;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--brand-blue);
  vertical-align: super;
}

.card__subtitle {
  margin: 10px 0 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.card__message {
  margin: 20px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.card--generic .card__volume-wrap {
  display: none;
}

.card__volume-wrap {
  min-height: 4.5rem;
}

body:not(.is-ready) .card__volume-wrap,
body:not(.is-ready) .card__subtitle,
body:not(.is-ready) .card__message,
body:not(.is-ready) .store-buttons,
body:not(.is-ready) .qr-section {
  visibility: hidden;
}

body.is-ready .card__volume-wrap,
body.is-ready .card__subtitle,
body.is-ready .card__message,
body.is-ready .store-buttons,
body.is-ready .qr-section.is-visible {
  visibility: visible;
}

.card--generic .card__generic-icon {
  display: flex;
}

.card__generic-icon {
  display: none;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: linear-gradient(145deg, rgba(88, 173, 245, 0.18), rgba(1, 120, 217, 0.12));
}

.card__generic-icon img,
.card__generic-icon svg {
  width: 36px;
  height: 36px;
}

.cta-block {
  margin-top: 24px;
}

.cta-block__title {
  margin: 0 0 14px;
  font-size: 1.05rem;
  font-weight: 800;
  text-align: center;
  color: var(--text-secondary);
}

.store-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.store-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 52px;
  padding: 12px 18px;
  border: none;
  border-radius: var(--radius-button);
  background: var(--brand-gradient);
  color: #fff;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(18, 160, 230, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.store-button:hover,
.store-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(18, 160, 230, 0.34);
}

.store-button:active {
  transform: translateY(0);
}

.store-button--secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1.5px solid var(--border);
  box-shadow: none;
}

.store-button--secondary:hover,
.store-button--secondary:focus-visible {
  box-shadow: 0 8px 20px rgba(22, 58, 94, 0.06);
}

.store-button.is-hidden {
  display: none;
}

.store-button svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.qr-section {
  display: none;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.qr-section.is-visible {
  display: block;
}

.qr-section__label {
  margin: 0 0 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

.qr-section__frame {
  display: inline-flex;
  padding: 14px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--border);
}

.qr-section__image {
  display: block;
  width: 168px;
  height: 168px;
  background: #f8fbff;
}

.footer-note {
  margin: 28px 0 0;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-note a {
  color: var(--brand-blue);
  text-decoration: none;
  font-weight: 600;
}

.footer-note a:hover {
  text-decoration: underline;
}

@media (min-width: 720px) {
  .page {
    padding-top: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .store-button {
    transition: none;
  }
}