* {
  box-sizing: border-box;
}
body {
  font-family: 'Colfax Regular', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8f9fa;
  color: #333;
  line-height: 1.5;
}
a {
  color: #2c5aa0;
  text-decoration: none;
}
.df {
  display: flex;
}
.fdr {
  flex-direction: row;
}
.fdc {
  flex-direction: column;
}
.jcc {
  justify-content: center;
}
.jcsb {
  justify-content: space-between;
}
.aic {
  align-items: center;
}
.btn__primary,
.btn__secondary {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.1s ease;
  border: none;
}
.btn__primary {
  background: #000;
  color: #fff;
  border: 1px solid #000;
  box-shadow: 2px 2px 0px 0px #a5daf0;
}
.btn__primary:hover {
  box-shadow: 4px 4px 0px 0px #a5daf0;
}
.btn__secondary {
  background: #fff;
  color: #000;
  border: 1px solid #000;
  box-shadow: 2px 2px 0px 0px #c2c2c2;
}
.btn__secondary:hover {
  box-shadow: 4px 4px 0px 0px #c2c2c2;
}
.btn__large {
  padding: 0.75rem 2rem;
  font-size: 0.9rem;
}
.sign__header {
  background: #fff;
  padding: 0 2rem;
  height: 60px;
  border-bottom: 1px solid #c2c2c2;
  position: sticky;
  top: 0;
  z-index: 100;
}
.sign__header .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sign__header .logo img {
  height: 28px;
}
.sign__header .logo .logo__text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #000;
  letter-spacing: -0.5px;
}
.sign__header .top__nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2rem;
}
.sign__header .top__nav ul a {
  font-size: 0.75rem;
  font-weight: 500;
  color: #555;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.sign__header .top__nav ul a:hover {
  color: #000;
}
.sign__header .top__right ul {
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1rem;
}
@media screen and (max-width: 767px) {
  .sign__header {
    padding: 0 1rem;
  }
  .sign__header .top__nav {
    display: none;
  }
}
.hero {
  background: #fff;
  padding: 4rem 2rem;
  text-align: center;
  border-bottom: 1px solid #c2c2c2;
}
.hero .hero__badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #1a5fb4;
  background: rgba(26,95,180,0.1);
  border: 1px solid rgba(26,95,180,0.2);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: #000;
  margin: 0 0 1rem 0;
  letter-spacing: -1.5px;
  line-height: 1.1;
}
.hero h1 .highlight {
  color: #1a5fb4;
}
@media screen and (max-width: 767px) {
  .hero h1 {
    font-size: 2rem;
  }
}
.hero .hero__tagline {
  font-size: 1.1rem;
  color: #666;
  max-width: 500px;
  margin: 0 auto 2rem auto;
  line-height: 1.5;
}
@media screen and (max-width: 767px) {
  .hero .hero__tagline {
    font-size: 1rem;
  }
}
.hero .hero__cta {
  gap: 1rem;
}
@media screen and (max-width: 767px) {
  .hero .hero__cta {
    flex-direction: column;
  }
}
.stats {
  background: #f8f9fa;
  padding: 2rem;
}
.stats .content__wrapper {
  background: #fff;
  border: 1px solid #c2c2c2;
  border-radius: 4px;
  max-width: 900px;
  width: 100%;
  position: relative;
}
.stats .content__wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #000 25%, #96d4ee 25%, #96d4ee 50%, #a5daf0 50%, #a5daf0 75%, #c3e6f5 75%);
  border-radius: 4px 4px 0 0;
}
.stats .stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
@media screen and (max-width: 767px) {
  .stats .stats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.stats .stat__item {
  padding: 1.5rem 1rem;
  text-align: center;
  border-right: 1px solid #e8e8e8;
}
.stats .stat__item:last-child {
  border-right: none;
}
@media screen and (max-width: 767px) {
  .stats .stat__item:nth-child(2) {
    border-right: none;
  }
  .stats .stat__item:nth-child(3),
  .stats .stat__item:nth-child(4) {
    border-top: 1px solid #e8e8e8;
  }
}
.stats .stat__item h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #000;
  margin: 0 0 0.25rem 0;
}
.stats .stat__item p {
  font-size: 0.65rem;
  color: #666;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.75px;
  font-weight: 500;
}
.features {
  background: #f8f9fa;
  padding: 4rem 2rem;
}
.features .content__wrapper {
  max-width: 1100px;
  margin: 0 auto;
}
.features h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #000;
  text-align: center;
  margin: 0 0 3rem 0;
  letter-spacing: -0.5px;
}
.features .features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media screen and (min-width: 768px) and (max-width: 1023px) {
  .features .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media screen and (max-width: 767px) {
  .features .features__grid {
    grid-template-columns: 1fr;
  }
}
.features .feature__card {
  background: #fff;
  border-left: 1px solid #000;
  border-top: 1px solid #000;
  border-top-left-radius: 4px;
  border-right: 1px solid #c2c2c2;
  border-bottom: 1px solid #c2c2c2;
  border-bottom-right-radius: 4px;
  box-shadow: 4px 4px 0px 0px #c3e6f5;
  padding: 1.5rem;
  transition: all 0.1s ease;
}
.features .feature__card:hover {
  box-shadow: 4px 4px 0px 0px #a5daf0;
}
.features .feature__card .feature__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 1rem;
  color: #1a5fb4;
}
.features .feature__card .feature__icon svg {
  width: 100%;
  height: 100%;
}
.features .feature__card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #000;
  margin: 0 0 0.5rem 0;
}
.features .feature__card p {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
  line-height: 1.5;
}
.security {
  background: #fff;
  padding: 4rem 2rem;
  border-top: 1px solid #c2c2c2;
  border-bottom: 1px solid #c2c2c2;
}
.security .content__wrapper {
  max-width: 1100px;
  margin: 0 auto;
}
.security .security__content {
  gap: 4rem;
}
@media screen and (max-width: 767px) {
  .security .security__content {
    flex-direction: column;
    gap: 2rem;
  }
}
.security .security__text {
  flex: 1;
}
.security .security__text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #000;
  margin: 0 0 1rem 0;
  letter-spacing: -0.5px;
}
.security .security__text p {
  font-size: 1rem;
  color: #666;
  line-height: 1.6;
  margin: 0 0 1.5rem 0;
}
.security .security__text .security__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.security .security__text .security__list li {
  padding: 0.5rem 0;
  font-size: 0.9rem;
  color: #555;
  border-bottom: 1px solid #eee;
}
.security .security__text .security__list li:last-child {
  border-bottom: none;
}
.security .security__text .security__list li strong {
  color: #000;
}
.security .security__visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}
.security .blockchain__demo {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.security .block {
  background: #fff;
  border: 1px solid #c2c2c2;
  border-radius: 4px;
  padding: 1rem 1.5rem;
  text-align: center;
  min-width: 200px;
  box-shadow: 2px 2px 0px 0px #c3e6f5;
}
.security .block .block__header {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #666;
  margin-bottom: 0.25rem;
}
.security .block .block__hash {
  font-family: monospace;
  font-size: 0.8rem;
  color: #000;
  font-weight: 600;
}
.security .block__ledger {
  background: #f8f9fa;
  border-color: #1a5fb4;
  box-shadow: 2px 2px 0px 0px #1a5fb4;
}
.security .block__ledger .block__header {
  color: #1a5fb4;
}
.security .block__verified {
  background: #e8f5e9;
  border-color: #4caf50;
  box-shadow: 2px 2px 0px 0px #4caf50;
}
.security .block__verified .block__header {
  color: #2e7d32;
}
.security .chain__link {
  width: 2px;
  height: 20px;
  background: #c2c2c2;
}
.pricing {
  background: #f8f9fa;
  padding: 4rem 2rem;
}
.pricing .content__wrapper {
  max-width: 1000px;
  margin: 0 auto;
}
.pricing h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #000;
  text-align: center;
  margin: 0 0 3rem 0;
  letter-spacing: -0.5px;
}
.pricing .pricing__grid {
  gap: 1.5rem;
  align-items: stretch;
}
@media screen and (max-width: 767px) {
  .pricing .pricing__grid {
    flex-direction: column;
  }
}
.pricing .pricing__card {
  background: #fff;
  border: 1px solid #c2c2c2;
  border-radius: 4px;
  padding: 2rem;
  flex: 1;
  max-width: 320px;
  position: relative;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}
@media screen and (max-width: 767px) {
  .pricing .pricing__card {
    max-width: 100%;
  }
}
.pricing .pricing__card.pricing__featured {
  border-color: #1a5fb4;
  box-shadow: 4px 4px 0px 0px #a5daf0;
}
.pricing .pricing__card.pricing__featured .pricing__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #1a5fb4;
  color: #fff;
  padding: 0.25rem 1rem;
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.pricing .pricing__header {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #eee;
  margin-bottom: 1.5rem;
}
.pricing .pricing__header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #000;
  margin: 0 0 0.5rem 0;
}
.pricing .pricing__header .pricing__amount .currency {
  font-size: 1.25rem;
  vertical-align: top;
  color: #666;
}
.pricing .pricing__header .pricing__amount .price {
  font-size: 3rem;
  font-weight: 700;
  color: #000;
  letter-spacing: -2px;
}
.pricing .pricing__header .pricing__amount .period {
  font-size: 0.9rem;
  color: #666;
}
.pricing .pricing__header .pricing__desc {
  font-size: 0.85rem;
  color: #666;
  margin: 0.5rem 0 0 0;
}
.pricing .pricing__features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
}
.pricing .pricing__features li {
  padding: 0.5rem 0;
  font-size: 0.85rem;
  color: #555;
  padding-left: 1.5rem;
  position: relative;
}
.pricing .pricing__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #1a5fb4;
  font-weight: bold;
}
.pricing .pricing__card .btn__primary,
.pricing .pricing__card .btn__secondary {
  width: 100%;
  text-align: center;
}
.cta {
  background: #fff;
  padding: 4rem 2rem;
  text-align: center;
  border-top: 1px solid #c2c2c2;
}
.cta h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #000;
  margin: 0 0 0.75rem 0;
  letter-spacing: -0.5px;
}
.cta p {
  font-size: 1rem;
  color: #666;
  margin: 0 0 2rem 0;
}
.cta .cta__buttons {
  gap: 1rem;
}
@media screen and (max-width: 767px) {
  .cta .cta__buttons {
    flex-direction: column;
  }
}
.sign__footer {
  background: #000;
  color: #fff;
  padding: 3rem 2rem 1.5rem;
}
.sign__footer .footer__content {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}
@media screen and (max-width: 767px) {
  .sign__footer .footer__content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.sign__footer .footer__column h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 1rem 0;
  color: #999;
}
.sign__footer .footer__column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sign__footer .footer__column li {
  margin-bottom: 0.5rem;
}
.sign__footer .footer__column a {
  color: #ccc;
  font-size: 0.85rem;
}
.sign__footer .footer__column a:hover {
  color: #fff;
}
.sign__footer .footer__column.brand .footer__logo {
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.sign__footer .footer__column.brand .footer__logo img {
  height: 24px;
  filter: brightness(0) invert(1);
}
.sign__footer .footer__column.brand .footer__logo span {
  font-size: 1.1rem;
  font-weight: 700;
}
.sign__footer .footer__column.brand p {
  font-size: 0.85rem;
  color: #999;
  margin: 0;
}
.sign__footer .footer__bottom {
  max-width: 1100px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid #333;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
@media screen and (max-width: 767px) {
  .sign__footer .footer__bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}
.sign__footer .footer__bottom p {
  font-size: 0.75rem;
  color: #666;
  margin: 0;
}
.sign__footer .footer__bottom .footer__verify {
  font-size: 0.75rem;
  color: #666;
}
.sign__footer .footer__bottom .footer__verify a {
  color: #999;
  margin-left: 0.25rem;
}
.sign__footer .footer__bottom .footer__verify a:hover {
  color: #fff;
}