:root {
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --surface: rgba(255, 255, 255, 0.78);
  --border: rgba(15, 23, 42, 0.08);
  --text: #121826;
  --muted: #5f6b7a;
  --primary: #0d5e95;
  --primary-dark: #0a4b76;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  --radius: 24px;
  --radius-sm: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(13, 94, 149, 0.08), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  width: 176px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.96rem;
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--text);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(13, 94, 149, 0.1);
  color: var(--primary);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.04);
  padding: 0;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 4px auto;
  border-radius: 999px;
}

.hero {
  padding-top: 72px;
  padding-bottom: 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

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

h1 {
  max-width: 11ch;
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 5vw, 5.3rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

h2 {
  max-width: 14ch;
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

p {
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-text {
  max-width: 62ch;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 14px 28px rgba(13, 94, 149, 0.22);
}

.button-primary:hover {
  background: var(--primary-dark);
}

.button-secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.7);
}

.button-secondary:hover {
  border-color: rgba(15, 23, 42, 0.16);
  background: rgba(255, 255, 255, 1);
}

.button-full {
  width: 100%;
}

.hero-points,
.signal-items,
.pilot-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-points li,
.signal-items span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(15, 23, 42, 0.06);
  color: var(--muted);
  font-size: 0.94rem;
}

.hero-visual {
  position: relative;
  display: grid;
  gap: 18px;
}

.device-card,
.feature-card,
.step-card,
.pilot-card,
.interest-form,
.faq-list details {
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(16px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.device-card {
  padding: 24px;
}

.balance-card {
  transform: translateX(14px);
}

.pdv-card {
  transform: translateX(-22px);
}

.device-top,
.pdv-row,
.scan-box,
.footer-meta,
.footer-inner {
  display: flex;
  align-items: center;
}

.device-top,
.pdv-row {
  justify-content: space-between;
}

.device-top {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  margin-right: 10px;
  border-radius: 50%;
  background: #1f9d52;
  box-shadow: 0 0 0 6px rgba(31, 157, 82, 0.12);
}

.balance-value {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.06em;
}

.qr-surface {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  margin: 18px 0;
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(13, 94, 149, 0.18), transparent 30%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(235, 241, 248, 0.96));
  border: 1px solid rgba(13, 94, 149, 0.09);
}

.qr-pattern {
  width: min(66%, 180px);
  aspect-ratio: 1;
  border-radius: 18px;
  background:
    linear-gradient(90deg, #102a43 20%, transparent 20% 40%, #102a43 40% 60%, transparent 60% 80%, #102a43 80%),
    linear-gradient(#102a43 20%, transparent 20% 40%, #102a43 40% 60%, transparent 60% 80%, #102a43 80%);
  background-size: 44px 44px;
  background-position: center;
  box-shadow: inset 0 0 0 12px rgba(255, 255, 255, 0.9);
}

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

.mini-list span,
.scan-box,
.pdv-row strong {
  font-size: 0.96rem;
}

.mini-list span {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.04);
  color: var(--muted);
}

.pdv-row {
  padding: 12px 0;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.scan-box {
  justify-content: space-between;
  margin-top: 18px;
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(13, 94, 149, 0.09), rgba(13, 94, 149, 0.15));
}

.signal-bar {
  padding: 18px 0;
  border-top: 1px solid rgba(15, 23, 42, 0.05);
  border-bottom: 1px solid rgba(15, 23, 42, 0.05);
  background: rgba(255, 255, 255, 0.6);
}

.signal-items {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 42px;
}

.section-heading.narrow h2 {
  max-width: 16ch;
}

.feature-grid {
  display: grid;
  gap: 24px;
}

.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
  padding: 28px;
}

.large-card {
  min-height: 220px;
}

.muted-section {
  background: linear-gradient(180deg, rgba(13, 94, 149, 0.04), rgba(255, 255, 255, 0));
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.step-card {
  padding: 24px;
}

.step-number {
  display: inline-flex;
  margin-bottom: 18px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--primary);
}

.split-block,
.cta-wrap,
.footer-inner {
  display: grid;
  gap: 24px;
}

.split-block,
.cta-wrap {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  align-items: start;
}

.pilot-card {
  padding: 28px;
}

.pilot-card ul {
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.pilot-card li {
  position: relative;
  padding-left: 18px;
}

.pilot-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

.cta-section {
  padding-top: 24px;
}

.cta-wrap {
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(244, 248, 252, 0.96));
  box-shadow: var(--shadow);
}

.interest-form {
  padding: 24px;
}

.interest-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.interest-form span {
  font-size: 0.94rem;
  color: var(--muted);
}

.interest-form input,
.interest-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.interest-form input:focus,
.interest-form textarea:focus {
  outline: none;
  border-color: rgba(13, 94, 149, 0.5);
  box-shadow: 0 0 0 4px rgba(13, 94, 149, 0.1);
}

.form-feedback {
  min-height: 24px;
  margin: 14px 0 0;
  font-size: 0.94rem;
}

.form-feedback.is-error {
  color: #b42318;
}

.form-feedback.is-success {
  color: #0f7a42;
}

.faq-section {
  padding-top: 48px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  padding: 20px 24px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

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

.faq-list p {
  margin: 14px 0 0;
}

.site-footer {
  padding: 28px 0 44px;
}

.footer-inner {
  grid-template-columns: minmax(0, 1fr) auto;
  padding-top: 20px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.footer-logo {
  width: 136px;
  margin-bottom: 14px;
}

.footer-meta {
  gap: 18px;
  align-self: center;
  color: var(--muted);
}

@media (max-width: 980px) {
  .hero-grid,
  .split-block,
  .cta-wrap,
  .three-up,
  .two-up,
  .steps-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 52px;
  }

  h1 {
    max-width: 12ch;
  }

  .section,
  .faq-section {
    padding: 76px 0;
  }

  .balance-card,
  .pdv-card {
    transform: none;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 14px;
    border-radius: 14px;
  }

  .site-nav a:hover {
    background: rgba(15, 23, 42, 0.04);
  }

  .nav-cta {
    width: 100%;
  }

  .brand-logo {
    width: 150px;
  }

  .cta-wrap {
    padding: 22px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(calc(100% - 22px), var(--container));
  }

  .section,
  .faq-section {
    padding: 58px 0;
  }

  .hero-actions,
  .hero-points,
  .signal-items {
    gap: 10px;
  }

  .button {
    width: 100%;
  }

  .feature-card,
  .device-card,
  .step-card,
  .pilot-card,
  .interest-form,
  .faq-list details {
    padding: 20px;
    border-radius: 22px;
  }

  .footer-meta {
    flex-wrap: wrap;
  }
}