:root {
  color-scheme: dark;
  --background: #000;
  --text: #eeeae2;
  --muted: #aaa79f;
  --gold: #d2b760;
  --line: #26241e;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--background);
  color: var(--text);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

::selection {
  background: #d2b760;
  color: #000;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 6px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 16px;
  left: 16px;
  padding: 12px 18px;
  background: var(--gold);
  color: #000;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.image-filters {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.page-width {
  width: min(1120px, calc(100% - 96px));
  margin-inline: auto;
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  min-height: 500px;
  height: 64vh;
  height: 64svh;
  max-height: 760px;
  overflow: hidden;
}

.hero-image,
.hero-shade {
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
}

.hero-image {
  /* Fit the full image height so the top and bottom are never cropped. */
  background: url("snapshot.png") center / auto 100% no-repeat;
  filter: blur(0.65px);
  opacity: 0.9;
}

.hero-shade {
  background:
    linear-gradient(180deg, rgb(0 0 0 / 8%) 0%, transparent 30%, transparent 80%, #000 100%),
    radial-gradient(ellipse at center, rgb(0 0 0 / 18%) 0%, transparent 75%);
}

.hero-content {
  width: min(760px, calc(100% - 48px));
  padding: 56px 0 64px;
  text-align: center;
  text-shadow: 0 2px 6px #000, 0 0 20px #000;
}

.coming-soon {
  position: absolute;
  z-index: 2;
  top: 48px;
  right: -72px;
  width: 280px;
  margin: 0;
  padding: 14px 0;
  transform: rotate(45deg);
  border-block: 1px solid #f2d98b;
  background: linear-gradient(110deg, #bd963b, #f0d98f 48%, #d3b45a);
  box-shadow: 0 5px 20px rgb(0 0 0 / 45%);
  color: #171207;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.18em;
  text-align: center;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  line-height: 1;
}

.logo {
  display: block;
  width: min(100%, 590px);
  height: auto;
  margin-inline: auto;
  filter: url("#logo-remove-white");
  mix-blend-mode: screen;
}

.subtitle {
  margin: 25px 0 0;
  color: #e0ddd5;
  font-size: clamp(18px, 1.7vw, 23px);
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: -0.015em;
  text-align: center;
  white-space: nowrap;
}

.features {
  padding-top: 28px;
  padding-bottom: 78px;
  scroll-margin-top: 32px;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(26px, 2.6vw, 32px);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.section-ornament {
  color: var(--gold);
  font-size: 26px;
  font-weight: 300;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 48px;
  row-gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature {
  border-top: 1px solid var(--line);
  padding-top: 23px;
}

.feature-number {
  display: block;
  margin-bottom: 18px;
  color: var(--gold);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.12em;
}

.feature h3 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 112px;
  padding-block: 28px;
  border-top: 1px solid var(--line);
}

.footer p {
  margin: 0;
  color: #929087;
  font-size: 10px;
  line-height: 1.8;
  letter-spacing: 0.075em;
}

.footer-legal {
  min-width: 0;
}

.patent-table {
  margin-top: 16px;
  border-collapse: collapse;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  text-align: left;
  font-variant-numeric: tabular-nums;
}

.patent-table caption {
  padding-bottom: 6px;
  color: var(--gold);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-align: left;
  text-transform: uppercase;
}

.patent-table th,
.patent-table td {
  padding: 3px 0;
  vertical-align: top;
  font-weight: 400;
}

.patent-table tr > :first-child {
  padding-right: 20px;
  white-space: nowrap;
}

.patent-table thead th {
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-weight: 500;
}

.patent-table tbody tr:first-child > * {
  padding-top: 6px;
}

.patent-table td span {
  white-space: nowrap;
}

.footer a {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  min-height: 44px;
  color: var(--gold);
  font-size: 12px;
  text-decoration: none;
  text-underline-offset: 5px;
}

.footer a:hover {
  text-decoration: underline;
}

.footer a span {
  font-size: 16px;
}

@media (max-width: 1000px) {
  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

@media (max-width: 600px) {
  .page-width {
    width: calc(100% - 48px);
  }

  .hero {
    min-height: 400px;
    height: 58svh;
    max-height: 540px;
  }

  .hero-content {
    padding-block: 52px;
  }

  .coming-soon {
    top: 32px;
    right: -64px;
    width: 220px;
    padding-block: 11px;
    font-size: 11px;
  }

  .subtitle {
    margin: 22px auto 0;
    /* Keep the supplied lines intact on narrow screens. */
    font-size: clamp(12px, 3.4vw, 17px);
  }

  .features {
    padding-top: 22px;
    padding-bottom: 48px;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .feature-list {
    grid-template-columns: 1fr;
    row-gap: 30px;
  }

  .feature {
    padding-top: 20px;
  }

  .feature-number {
    margin-bottom: 14px;
  }

  .feature h3 {
    font-size: 19px;
    margin-bottom: 10px;
  }

  .feature p {
    font-size: 15px;
    line-height: 1.75;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-block: 26px;
  }
}