/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #FFFFFF;
  color: #1A1A1A;
  -webkit-text-size-adjust: 100%;
}

/* Layout */
.container {
  max-width: 640px;
  margin: 0 auto;
}
.page-wrapper {
  padding: 24px 16px;
}

/* Header */
.header {
  background: #000000;
  padding: 24px 40px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-logo {
  width: 52px;
  height: 46px;
  display: block;
}
.header-brand {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #1AAFAA;
  margin-bottom: 3px;
}
.header-sub {
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

/* Accent bar */
.accent-bar {
  height: 3px;
  background: #1AAFAA;
}

/* Hero */
.hero {
  background: #F0F7F6;
  padding: 52px 40px 20px;
  text-align: center;
}
.hero-category {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #1AAFAA;
  margin-bottom: 16px;
}
.hero-heading {
  font-size: 32px;
  font-weight: 700;
  color: #1A1A1A;
  line-height: 1.2;
  margin-bottom: 16px;
}
.hero-divider {
  width: 48px;
  height: 2px;
  background-color: #1AAFAA;
  margin: 0 auto 24px;
  opacity: 0.6;
}
.hero-body {
  color: #555555;
  font-size: 16px;
  line-height: 1.65;
  margin-bottom: 32px;
}

/* Code display */
.code-section {
  background: #F0F7F6;
  padding: 0 40px 12px;
  text-align: center;
}
.code-digits {
  display: inline-flex;
  gap: 8px;
  justify-content: center;
}
.code-digits .spacer {
  width: 8px;
}
.code-digit {
  width: 48px;
  height: 56px;
  background-color: #FFFFFF;
  border: 2px solid rgba(26,175,170,0.3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Courier New', Courier, monospace;
  font-size: 32px;
  font-weight: 700;
  color: #1A1A1A;
}

/* Expiry */
.expiry {
  background: #F0F7F6;
  padding: 12px 40px 8px;
  text-align: center;
  color: #999999;
  font-size: 13px;
}
.expiry strong {
  color: #555555;
}

/* Copy button */
.copy-section {
  background: #F0F7F6;
  padding: 24px 40px 48px;
  text-align: center;
}
.copy-btn {
  display: inline-block;
  background-color: #1AAFAA;
  color: #000000;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 16px 48px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
}
.copy-btn:hover {
  background-color: #15998f;
}
.copy-hint {
  color: #aaaaaa;
  font-size: 12px;
  margin-top: 16px;
}

/* App store badges */
.app-badges {
  background: #F0F7F6;
  padding: 0 40px 40px;
  text-align: center;
  display: flex;
  justify-content: center;
  gap: 12px;
}
.app-badge {
  height: 40px;
}

/* Security note */
.security-divider {
  height: 1px;
  background-color: rgba(26,175,170,0.15);
}
.security-note {
  background: #E8F0EF;
  padding: 24px 40px;
  text-align: center;
  color: #888888;
  font-size: 12px;
  line-height: 1.65;
}
.security-note a {
  color: #1AAFAA;
  text-decoration: none;
}

/* Footer */
.footer {
  background: #1A1A1A;
  padding: 28px 40px;
  text-align: center;
}
.footer-tagline {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #1AAFAA;
  margin-bottom: 16px;
}
.footer-divider {
  width: 40px;
  height: 2px;
  background-color: #1AAFAA;
  margin: 0 auto 16px;
  opacity: 0.5;
}
.footer-info {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  line-height: 1.7;
  letter-spacing: 0.04em;
}
.footer-info a {
  color: rgba(26,175,170,0.7);
  text-decoration: none;
}

/* No-code state */
.no-code {
  background: #F0F7F6;
  padding: 40px;
  text-align: center;
}
.no-code p {
  color: #555555;
  font-size: 16px;
  line-height: 1.65;
}

/* Responsive */
@media only screen and (max-width: 480px) {
  .header { padding: 24px 24px 20px; }
  .hero { padding: 40px 24px 16px; }
  .hero-heading { font-size: 26px; }
  .code-section { padding: 0 24px 12px; }
  .code-digit { width: 40px; height: 48px; font-size: 24px; }
  .expiry { padding: 12px 24px 8px; }
  .copy-section { padding: 24px 24px 40px; }
  .app-badges { padding: 0 24px 32px; }
  .security-note { padding: 24px; }
  .footer { padding: 28px 24px; }
  .no-code { padding: 32px 24px; }
}