/* Shared VoltKeys colors, typography, navigation, product cards, and footer. */
:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #f3f5ef;
  background: #071b16;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --page-bg: #071b16;
  --surface: #0d2820;
  --surface-raised: #143127;
  --text: #f3f5ef;
  --muted: #b0beb5;
  --lime: #d2ff55;
  --line: #294339;
}

/* Reset default spacing and define the shared page background. */
* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; background: radial-gradient(ellipse at 72% 8%, #173f30 0, transparent 38%), var(--page-bg); color: var(--text); line-height: 1.6; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.page-width { width: min(1180px, 92%); margin-inline: auto; }

/* Header contains the VoltKeys logo, pill navigation, and WhatsApp shortcut. */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 22px 0; }
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-size: 20px; font-weight: 850; letter-spacing: .2px; text-decoration: none; white-space: nowrap; }
.brand-mark { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; border-radius: 50%; background: var(--lime); color: #102119; font-weight: 950; }
.nav-links { display: flex; align-items: center; gap: 20px; padding: 9px 17px; border-radius: 999px; background: #eef1e9; color: #111a15; font-size: 13px; }
.nav-links a { text-decoration: none; transition: color .18s ease; }
.nav-links a:hover { color: #487023; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.whatsapp-link { display: grid; width: 42px; height: 42px; flex: 0 0 42px; place-items: center; border: 1px solid #476556; border-radius: 50%; color: var(--lime); transition: background .18s ease, color .18s ease, transform .18s ease; }
.whatsapp-link:hover { transform: translateY(-2px); background: var(--lime); color: #102119; }
.whatsapp-link svg { display: block; width: 23px; height: 23px; }

/* Shared buttons use the site’s lime color and pill shape. */
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 9px; padding: 11px 18px; border: 1px solid transparent; border-radius: 999px; font-size: 13px; font-weight: 800; text-decoration: none; transition: transform .18s ease, filter .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); filter: brightness(1.08); }
.button-primary { border-color: var(--lime); background: var(--lime); color: #132016; }
.button-outline { border-color: #456253; background: #ffffff05; color: var(--text); }

/* Reusable product cards show artwork, the denomination, and an inquiry link. */
.product-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.product-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; border: 1px solid #29483a; border-radius: 14px; background: linear-gradient(160deg, #143126, #0d241c); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.product-card:hover { transform: translateY(-4px); border-color: #b9e84a; box-shadow: 0 14px 34px #0004; }
.product-artwork { position: relative; padding: 10px 10px 0; }
.product-artwork img { display: block; width: 100%; aspect-ratio: 234 / 338; border-radius: 9px; object-fit: cover; }
.amount-badge { position: absolute; top: 10px; right: 10px; z-index: 1; display: flex; width: 56px; height: 56px; flex-direction: column; align-items: center; justify-content: center; border-radius: 0 0 0 11px; background: var(--lime); box-shadow: 0 4px 18px #0005; color: #122018; font-weight: 900; line-height: 1; }
.amount-badge small { margin-top: 3px; font-size: 10px; letter-spacing: .8px; }
.product-details { display: flex; flex: 1; flex-direction: column; padding: 15px; }
.product-details h3 { margin: 0 0 7px; font-size: 16px; line-height: 1.3; }
.product-details p { flex: 1; margin: 0 0 12px; color: var(--muted); font-size: 12px; }
.product-region { margin-bottom: 12px; color: #b7c9bd; font-size: 10px; letter-spacing: .8px; }
.product-button { width: 100%; min-height: 40px; padding: 9px; font-size: 12px; }

/* This notice is used below product listings on both pages. */
.notice { margin-top: 18px; padding: 15px 17px; border: 1px solid #516839; border-radius: 12px; background: #142219; color: #dce6d8; font-size: 13px; }
.notice strong { color: var(--lime); }

/* Footer service highlights, information columns, and legal note. */
.site-footer { margin-top: 36px; padding: 0 0 25px; border-top: 1px solid var(--line); background: #081d17; color: #d9e4dc; }
.footer-highlights { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 30px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.footer-highlight { display: flex; min-width: 0; align-items: center; gap: 13px; padding: 6px 18px; border-right: 1px solid var(--line); }
.footer-highlight:first-child { padding-left: 0; }
.footer-highlight:last-child { padding-right: 0; border-right: 0; }
.footer-highlight-icon { flex: 0 0 34px; color: var(--lime); }
.footer-highlight-icon svg { display: block; width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.footer-highlight strong, .footer-highlight span { display: block; }
.footer-highlight strong { margin-bottom: 3px; color: var(--text); font-size: 13px; }
.footer-highlight span { color: var(--muted); font-size: 11px; line-height: 1.45; }
.footer-columns { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding: 0 0 28px; }
.footer-brand .brand-mark { width: 32px; height: 32px; flex-basis: 32px; }
.footer-about p { max-width: 350px; margin: 15px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; }
.footer-links h2 { margin: 0 0 4px; color: var(--text); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }
.footer-links a { color: var(--muted); font-size: 13px; text-decoration: none; }
.footer-links a:hover { color: var(--lime); }
.footer-links span { color: var(--muted); font-size: 12px; line-height: 1.5; }
.footer-bottom { display: flex; justify-content: space-between; gap: 15px; flex-wrap: wrap; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-disclaimer { max-width: 850px; margin: 10px 0 0; color: #84978c; font-size: 11px; line-height: 1.55; }

/* Tablet: wrap the navigation and reduce the number of product columns. */
@media (max-width: 900px) {
  .site-header { gap: 12px; }
  .nav-links { gap: 12px; padding: 8px 12px; }
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-highlights { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 16px; }
  .footer-highlight:nth-child(2) { border-right: 0; }
  .footer-highlight:nth-child(3) { padding-left: 0; }
  .footer-columns { gap: 28px; }
}

/* Phone: use compact cards and stack footer content for narrow screens. */
@media (max-width: 650px) {
  .site-header { gap: 10px; padding: 16px 0; }
  .nav-links { display: none; }
  .header-button { min-height: 40px; padding: 9px 12px; font-size: 12px; }
  .whatsapp-link { width: 40px; height: 40px; flex-basis: 40px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
  .product-artwork { padding: 7px 7px 0; }
  .amount-badge { top: 7px; right: 7px; }
  .product-details { padding: 12px; }
  .product-details h3 { font-size: 15px; }
  .product-region { font-size: 9px; }
  .footer-highlights { gap: 14px 8px; padding: 20px 0; }
  .footer-highlight { gap: 9px; padding: 4px 8px; }
  .footer-highlight-icon { flex-basis: 27px; }
  .footer-highlight-icon svg { width: 27px; height: 27px; }
  .footer-highlight strong { font-size: 11px; }
  .footer-highlight span { font-size: 10px; }
  .footer-columns { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .footer-about { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 6px; }
}

/* Make keyboard navigation visible and predictable. */
:focus-visible { outline: 3px solid var(--lime); outline-offset: 4px; }

/* Show the product's pricing status before the action button. */
.product-price { margin: 0 0 12px; color: var(--lime); font-size: 11px; font-weight: 800; letter-spacing: .2px; }

/* Keep navigation available on small screens by moving it below the header row. */
@media (max-width: 650px) {
  .site-header { flex-wrap: wrap; }
  .nav-links { display: flex; order: 3; width: 100%; justify-content: center; gap: clamp(12px, 5vw, 22px); padding: 10px 8px; font-size: 12px; }
}

/* Respect people who have asked their device to reduce animation. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Slightly soften text edges and keep the font stack familiar across devices. */
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* Use a smoother, less heavy face for the denomination badges. */
.amount-badge {
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0;
  text-rendering: geometricPrecision;
}
.amount-badge small {
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .25px;
}

/* Small equal-size payment marks in the hero and footer. */
.hero-payment-block { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.hero-payment-title { color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: 1px; white-space: nowrap; }
.payment-methods { display: flex; align-items: flex-start; gap: 8px; }
.payment-method { display: grid; width: 74px; justify-items: center; gap: 4px; }
.payment-logo-frame { display: grid; width: 64px; height: 38px; place-items: center; overflow: hidden; border: 0; border-radius: 0; background: transparent; }
.payment-logo-frame img { display: block; width: 56px; height: 30px; object-fit: contain; }
.payment-method > span { color: var(--muted); font-size: 9px; line-height: 1.2; text-align: center; white-space: nowrap; }
.footer-payments { display: flex; align-items: center; gap: 24px; padding: 0 0 24px; border-bottom: 1px solid var(--line); }
.footer-payment-copy { min-width: 130px; }
.footer-payment-copy h2 { margin: 0 0 2px; color: var(--text); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; }
.footer-payment-copy p { margin: 0; color: var(--muted); font-size: 11px; }
@media (max-width: 650px) {
  .hero-payment-block { flex-wrap: wrap; gap: 8px; margin-top: 14px; }
  .hero-payment-title { width: 100%; }
  .footer-payments { align-items: flex-start; flex-direction: column; gap: 10px; }
}


/* Give the footer brand a little breathing room below its divider. */
.footer-about { padding-top: 14px; }


/* Add a compact link to VoltKeys' Trustpilot profile without implying a review score. */
.trustpilot-link { display: inline-flex; align-items: center; gap: 10px; width: fit-content; margin: 0 0 18px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: rgba(255,255,255,.025); text-decoration: none; transition: border-color .18s ease, background .18s ease; }
.trustpilot-link:hover { border-color: var(--lime); background: rgba(255,255,255,.05); }
.trustpilot-mark { display: grid; width: 28px; height: 28px; place-items: center; border-radius: 7px; color: #071a10; background: #00b67a; font-size: 18px; line-height: 1; }
.trustpilot-link strong, .trustpilot-link small { display: block; }
.trustpilot-link strong { font-size: 12px; }
.trustpilot-link small { margin-top: 2px; color: var(--muted); font-size: 10px; }