:root {
  --ink: #080908;
  --ink-soft: #171a16;
  --text: #10120f;
  --muted: #666b62;
  --line: #e4e8df;
  --paper: #fbfcf8;
  --soft: #f3f6ed;
  --lime: #a3e635;
  --lime-dark: #6ba800;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(8, 9, 8, 0.14);
  --radius: 8px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

::selection {
  background: var(--lime);
  color: var(--ink);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 48px);
  background: rgba(8, 9, 8, 0.92);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand,
.footer-brand {
  text-decoration: none;
}

.brand {
  display: grid;
  gap: 1px;
  flex: 0 0 auto;
}

.brand-mark {
  font-size: 20px;
  font-weight: 760;
  letter-spacing: 0;
}

.brand-mark span,
.board-logo span {
  color: var(--lime);
}

.brand small {
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
  font-weight: 600;
}

.site-nav {
  display: none;
}

.site-nav a,
.header-cta {
  text-decoration: none;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 650;
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
}

.header-cta {
  display: none;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--white);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-open .site-nav {
  position: absolute;
  inset: 100% 14px auto 14px;
  display: grid;
  gap: 2px;
  padding: 14px;
  background: #11130f;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.nav-open .site-nav a {
  padding: 12px 10px;
}

.section,
.hero,
.final-cta {
  padding: clamp(72px, 10vw, 128px) clamp(18px, 4vw, 48px);
}

.section-dark {
  background:
    radial-gradient(circle at 72% 12%, rgba(163, 230, 53, 0.16), transparent 34%),
    linear-gradient(145deg, #070807 0%, #11140f 54%, #070807 100%);
  color: var(--white);
}

.hero {
  display: grid;
  gap: 48px;
  min-height: calc(100vh - 72px);
  min-height: calc(100svh - 72px);
  align-items: center;
  overflow: hidden;
}

.hero-content,
.hero-visual,
.split,
.section-heading,
.feature-grid,
.benefit-grid,
.usecase-grid,
.gallery-grid,
.process-list,
.pricing-grid,
.faq-list,
.site-footer {
  width: min(100%, var(--max));
  margin-inline: auto;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--lime);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(42px, 8vw, 86px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  font-size: 19px;
  line-height: 1.22;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn,
.header-cta {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  text-decoration: none;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn {
  display: inline-block;
  padding: 13px 28px;
  font-size: 14px;
  font-weight: 500;
}

.header-cta {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
}

.btn-spacer {
  display: block;
  visibility: hidden;
  pointer-events: none;
}

.btn-txt,
.btn-txt2 {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: inherit;
  white-space: nowrap;
  transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-txt2 {
  transform: translateY(100%);
  pointer-events: none;
}

.btn:hover,
.btn:focus-visible,
.header-cta:hover,
.header-cta:focus-visible {
  transform: translateY(-2px);
}

.btn:hover .btn-txt,
.btn:focus-visible .btn-txt,
.header-cta:hover .btn-txt,
.header-cta:focus-visible .btn-txt {
  transform: translateY(-100%);
}

.btn:hover .btn-txt2,
.btn:focus-visible .btn-txt2,
.header-cta:hover .btn-txt2,
.header-cta:focus-visible .btn-txt2 {
  transform: translateY(0);
}

.btn-primary,
.header-cta {
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 16px 36px rgba(163, 230, 53, 0.18);
}

.btn-primary:hover,
.btn-primary:focus-visible,
.header-cta:hover,
.header-cta:focus-visible {
  background: #b5f23d;
  box-shadow: 0 20px 44px rgba(163, 230, 53, 0.28);
}

.btn-secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.05);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.42);
}

.btn-dark {
  color: var(--white);
  background: var(--ink);
}

.btn-dark:hover,
.btn-dark:focus-visible {
  background: #1e211c;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 650px;
  margin: 34px 0 0;
  padding: 0;
}

.hero-points li {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  list-style: none;
}

.hero-points strong {
  display: block;
  color: var(--white);
  font-weight: 850;
}

.hero-points span {
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 16px;
  min-height: 520px;
  isolation: isolate;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 20% 8% 12%;
  z-index: -1;
  background: rgba(163, 230, 53, 0.22);
  filter: blur(80px);
}

.board-card {
  align-self: center;
  width: min(100%, 560px);
  min-height: 410px;
  padding: clamp(24px, 5vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04)),
    #11130f;
  box-shadow: var(--shadow);
}

.board-topline,
.board-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.board-topline {
  justify-content: space-between;
  margin-bottom: 54px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
}

.board-logo {
  margin-bottom: 8px;
  color: var(--white);
  font-size: clamp(36px, 9vw, 70px);
  font-weight: 850;
  line-height: 1;
}

.board-card p {
  max-width: 320px;
  color: rgba(255, 255, 255, 0.64);
}

.tap-area {
  display: grid;
  grid-template-columns: auto auto;
  gap: clamp(26px, 5vw, 42px);
  align-items: center;
  justify-content: center;
  width: min(100%, 390px);
  margin: 38px auto 26px;
}

.nfc-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 154px;
  aspect-ratio: 1;
  border: 1px solid rgba(163, 230, 53, 0.34);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(163, 230, 53, 0.14), transparent 48%),
    rgba(163, 230, 53, 0.08);
  box-shadow: inset 0 0 42px rgba(163, 230, 53, 0.08);
}

.nfc-ring img {
  width: 86px;
  height: 86px;
  filter: drop-shadow(0 0 16px rgba(163, 230, 53, 0.34));
}

.qr-code {
  display: block;
  width: clamp(104px, 18vw, 124px);
  padding: clamp(6px, 1.6vw, 9px);
  aspect-ratio: 1;
  background: var(--white);
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22);
  transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
}

.qr-code img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-code:hover,
.qr-code:focus-visible {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 22px 48px rgba(163, 230, 53, 0.22), 0 18px 40px rgba(0, 0, 0, 0.26);
  filter: brightness(1.04);
}

.board-links span {
  padding: 7px 10px;
  color: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  font-size: 12px;
}

.board-links {
  justify-content: center;
}

.problem {
  background: var(--white);
}

.split {
  display: grid;
  gap: 26px;
}

.prose p,
.section-heading p {
  color: var(--muted);
  font-size: 17px;
}

.section-muted {
  background: var(--soft);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
  text-align: center;
}

.align-left {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.feature-grid,
.benefit-grid,
.gallery-grid,
.pricing-grid {
  display: grid;
  gap: 16px;
}

.feature-card,
.benefit-grid article,
.gallery-card,
.price-card,
.process-list article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.feature-card,
.benefit-grid article,
.price-card,
.process-list article {
  padding: 24px;
}

.feature-card {
  min-height: 250px;
}

.card-number,
.process-list span,
.badge {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--lime-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature-card p,
.benefit-grid p,
.process-list p,
.price-card p,
.price-card li {
  color: var(--muted);
}

.benefit-grid article {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.benefit-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(8, 9, 8, 0.08);
}

.compact {
  padding-block: clamp(64px, 8vw, 96px);
}

.compact .section-heading {
  margin-bottom: 24px;
}

.usecase-grid {
  display: grid;
  gap: 10px;
}

.usecase-grid span {
  padding: 18px;
  color: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  font-weight: 800;
}

.gallery-card {
  min-height: 260px;
  overflow: hidden;
}

.image-card {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 340px;
  color: var(--white);
  background: var(--ink);
}

.image-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.52;
}

.image-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.82));
}

.image-card div {
  position: relative;
  z-index: 1;
  padding: 24px;
}

.image-card span,
.board-example span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--lime);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.board-example {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  background: var(--ink);
  color: var(--white);
  isolation: isolate;
}

.board-example::before {
  content: "";
  position: absolute;
  inset: 22px 22px auto auto;
  width: 92px;
  aspect-ratio: 1;
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, #fff 12px, transparent 12px) 0 0 / 24px 24px,
    linear-gradient(#fff 12px, transparent 12px) 0 0 / 24px 24px,
    var(--lime);
  opacity: 0.9;
  z-index: -1;
}

.board-example::after {
  content: "";
  position: absolute;
  inset: auto auto 24px 24px;
  width: 92px;
  height: 92px;
  border: 1px solid rgba(163, 230, 53, 0.38);
  border-radius: 50%;
  z-index: -1;
}

.review {
  background: linear-gradient(145deg, #10120f, #24330d);
}

.social {
  background: linear-gradient(145deg, #10120f, #271928);
}

.contact {
  background: linear-gradient(145deg, #10120f, #102930);
}

.event {
  background: linear-gradient(145deg, #10120f, #2b2512);
}

.process-list {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.process-list article {
  border-width: 0 0 1px 0;
  border-radius: 0;
}

.process-list article:last-child {
  border-bottom: 0;
}

.price-card {
  position: relative;
}

.price-card h3 {
  margin-bottom: 8px;
  font-size: 25px;
}

.price-card ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.price-card li {
  position: relative;
  padding-left: 20px;
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  background: var(--lime);
  border-radius: 50%;
}

.highlighted {
  border-color: rgba(107, 168, 0, 0.35);
  box-shadow: 0 22px 60px rgba(107, 168, 0, 0.12);
}

.badge {
  position: absolute;
  top: 18px;
  right: 18px;
  margin: 0;
  padding: 7px 10px;
  color: var(--ink);
  background: var(--lime);
  border-radius: 999px;
  letter-spacing: 0;
}

.center-action {
  width: min(100%, var(--max));
  margin: 28px auto 0;
  text-align: center;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  padding: 0 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.faq-list summary {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 0;
  cursor: pointer;
  font-weight: 850;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  color: var(--lime-dark);
  font-size: 24px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  max-width: 780px;
  margin-bottom: 20px;
  color: var(--muted);
}

.final-cta {
  text-align: center;
}

.final-cta h2,
.final-cta p,
.final-cta .hero-actions,
.contact-strip {
  width: min(100%, 780px);
  margin-left: auto;
  margin-right: auto;
}

.final-cta p {
  margin-bottom: 26px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
}

.final-cta .hero-actions {
  justify-content: center;
}

.contact-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.contact-strip a,
.contact-strip span {
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  font-size: 13px;
  text-decoration: none;
}

.site-footer {
  display: grid;
  gap: 26px;
  padding: 42px clamp(18px, 4vw, 48px);
}

.footer-brand {
  display: inline-flex;
  gap: 7px;
  margin-bottom: 8px;
  font-weight: 900;
}

.footer-brand span,
.site-footer p,
.site-footer address span {
  color: var(--muted);
}

.site-footer p {
  max-width: 420px;
  margin-bottom: 0;
}

.site-footer nav,
.site-footer address {
  display: grid;
  gap: 8px;
  font-style: normal;
}

.site-footer a {
  color: var(--text);
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--lime-dark);
}

@media (max-width: 620px) {
  .hero-points {
    grid-template-columns: 1fr;
  }

  .tap-area {
    grid-template-columns: auto auto;
    gap: 16px;
    margin: 28px 0 22px;
  }

  .nfc-ring {
    width: clamp(112px, 40vw, 154px);
  }

  .nfc-ring img {
    width: clamp(64px, 24vw, 86px);
    height: clamp(64px, 24vw, 86px);
  }

  .qr-code {
    width: clamp(92px, 32vw, 116px);
  }

  .hero-visual {
    min-height: auto;
  }
}

@media (min-width: 680px) {
  .feature-grid,
  .benefit-grid,
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .benefit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .usecase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .image-card {
    grid-column: span 2;
  }

  .site-footer {
    grid-template-columns: 1.4fr 0.7fr 1fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: 22px;
  }

  .header-cta {
    display: inline-block;
  }

  .nav-toggle {
    display: none;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(400px, 0.76fr);
  }

  .split {
    grid-template-columns: 0.9fr 1fr;
    align-items: start;
  }

  .benefit-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .usecase-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .image-card {
    grid-column: span 2;
  }

  .process-list {
    grid-template-columns: repeat(5, 1fr);
  }

  .process-list article {
    border-width: 0 1px 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}