/* GenoVault landing. One page, no build step: CI copies this folder to the site root. */

:root {
  --ground: #ffffff;
  --ink: #1b1722;
  --ink-2: #3a3442;
  --ink-3: #5e5868;
  --rule: #e4e1e8;
  --rule-strong: #cfcad6;
  --panel: #f6f4f8;
  --on-ink: #ffffff;

  /* The logo's five bead colours, one meaning each. Never used for text. */
  --teal: #72bbaa; /* confidential computation */
  --orange: #e89138; /* time */
  --plum: #712079; /* consent */
  --magenta: #da356e; /* settlement */
  --lime: #92ca49; /* proof to a third party */

  --sans: Figtree, ui-sans-serif, system-ui, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, 'Cascadia Mono', 'SF Mono', Menlo, Consolas, monospace;
  --page: 1120px;
  --spine: 80px;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #17111c;
    --ink: #f2eef5;
    --ink-2: #d6d0dc;
    --ink-3: #a79fb0;
    --rule: #342b3b;
    --rule-strong: #4a4052;
    --panel: #231b29;
    --on-ink: #17111c;
    /* The plum bead would vanish on a plum-black ground. */
    --plum: #a35aab;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ink);
}

a:hover {
  color: var(--plum);
}

:focus-visible {
  outline: 3px solid var(--plum);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3,
p,
ol,
ul {
  margin: 0;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

.wrap {
  width: min(var(--page), 100% - 32px);
  margin-inline: auto;
}

.tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-3);
}

.fig {
  font-variant-numeric: tabular-nums lining-nums;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--ground);
}

/* Beads ---------------------------------------------------------------- */

.bead {
  display: block;
  flex-shrink: 0;
  width: 48px;
  height: 42px;
  border-radius: 50%;
  background: var(--c);
}

.bead.hollow {
  background: var(--ground);
  border: 3px solid var(--c);
}

.bead.sm {
  width: 32px;
  height: 28px;
}

.bead.xs {
  width: 24px;
  height: 21px;
}

.bead.hollow.xs {
  border-width: 3px;
}

.teal {
  --c: var(--teal);
}
.orange {
  --c: var(--orange);
}
.plum {
  --c: var(--plum);
}
.magenta {
  --c: var(--magenta);
}
.lime {
  --c: var(--lime);
}
.ink {
  --c: var(--ink);
}

/* Buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.btn.primary {
  background: var(--ink);
  color: var(--on-ink);
}

.btn.primary:hover {
  background: var(--plum);
  color: #ffffff;
}

.btn.ghost {
  border: 1px solid var(--rule-strong);
}

.btn.small {
  min-height: 44px;
  padding: 0 20px;
  font-size: 16px;
}

/* Header --------------------------------------------------------------- */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand img {
  width: 36px;
  height: 38px;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 16px;
}

.site-header nav a:not(.btn) {
  text-decoration: none;
}

/* Hero ----------------------------------------------------------------- */

.hero {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 96px 0 64px;
}

.hero h1 {
  max-width: 960px;
  font-size: clamp(40px, 6.4vw, 76px);
  line-height: 1.04;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.lead {
  max-width: 720px;
  font-size: 21px;
  line-height: 1.55;
  font-weight: 300;
  color: var(--ink-2);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.aside {
  margin-top: 12px;
  font-size: 15px;
  color: var(--ink-3);
}

/* The strand ----------------------------------------------------------- */

.strand {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 24px 0 112px;
}

.strand-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px 24px;
}

.strand-head h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 14px;
  color: var(--ink-3);
}

.legend span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend .bead {
  width: 14px;
  height: 12px;
}

.legend .bead.hollow {
  border-width: 2px;
}

.beads {
  position: relative;
  display: grid;
  grid-template-columns: repeat(11, minmax(0, 1fr));
}

.beads::before {
  content: '';
  position: absolute;
  left: 50px;
  right: 50px;
  top: 20px;
  height: 2px;
  background: var(--rule);
}

.beads li {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0 4px;
  text-align: center;
}

.beads .tag:first-of-type {
  margin-top: 10px;
}

/* Three lines reserved for every name, so values and dates line up across the strand. */
.beads .name {
  min-height: calc(3 * 1.3em);
  font-size: 13px;
  line-height: 1.3;
  color: var(--ink-2);
}

.beads .value {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
}

.beads .pending {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--ink-3);
}

/* Spine: everything below the strand hangs off one vertical line -------- */

.spine {
  display: flex;
  flex-direction: column;
  gap: 120px;
  padding-bottom: 120px;
  background: linear-gradient(var(--rule), var(--rule)) no-repeat calc(var(--spine) / 2 - 1px) 0 /
    2px 100%;
}

.node {
  display: grid;
  grid-template-columns: var(--spine) minmax(0, 1fr);
}

.node > .knot {
  display: flex;
  justify-content: center;
  padding-top: 12px;
}

.knot .bead {
  width: 18px;
  height: 16px;
}

.knot .bead.hollow {
  border-width: 3px;
}

.node > .body {
  display: flex;
  flex-direction: column;
  gap: 36px;
  min-width: 0;
}

.node h2 {
  max-width: 760px;
  font-size: clamp(30px, 3.4vw, 40px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.intro {
  max-width: 720px;
  font-size: 18px;
  color: var(--ink-2);
}

/* What it does */

.three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.three > div {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.three h3 {
  font-size: 21px;
  font-weight: 700;
}

.three p {
  font-size: 17px;
  color: var(--ink-2);
}

.three strong {
  color: var(--ink);
}

/* How a run works */

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  counter-reset: step;
}

.steps li {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 2px solid var(--ink);
  font-size: 17px;
}

.steps li::before {
  counter-increment: step;
  content: counter(step);
  font-size: 32px;
  font-weight: 300;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

/* Measured */

.measured {
  margin-top: -84px;
}

.row {
  display: grid;
  grid-template-columns: var(--spine) minmax(0, 1fr) 300px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
}

.row:last-of-type {
  border-bottom: 1px solid var(--rule);
}

.row > .bead {
  justify-self: center;
  margin-top: 4px;
}

.row .text {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 48px;
}

.row h3 {
  font-size: 21px;
  font-weight: 700;
}

.row .text p {
  font-size: 16px;
  color: var(--ink-3);
}

.row .text p.plain {
  color: var(--ink);
}

.row .text p.note {
  margin-top: 8px;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--panel);
  color: var(--ink);
}

.row .figure {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  text-align: right;
}

.row .big {
  font-size: 44px;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.row .second {
  font-size: 28px;
  line-height: 1.1;
  font-weight: 500;
}

.row .budget {
  font-size: 14px;
  color: var(--ink-3);
}

.footnote {
  margin: 20px 0 0 var(--spine);
  font-size: 15px;
  color: var(--ink-3);
}

/* Not yet */

.pending-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 48px;
}

.pending-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 17px;
}

.pending-list .bead {
  margin-top: 4px;
}

/* Limits */

.limits {
  max-width: 860px;
}

.limits li {
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  font-size: 17px;
}

.limits li:last-child {
  border-bottom: 1px solid var(--rule);
}

/* FAQ */

.faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 48px;
}

.faq > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq h3 {
  font-size: 19px;
  font-weight: 700;
}

.faq p {
  font-size: 17px;
  color: var(--ink-2);
}

/* Footer */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px 24px;
  padding: 40px 0 56px;
  border-top: 1px solid var(--rule);
  font-size: 15px;
  color: var(--ink-3);
}

.site-footer strong {
  color: var(--ink);
}

/* Narrower screens ------------------------------------------------------ */

@media (max-width: 1000px) {
  /* The strand turns vertical: one bead per line, the same line through them. */
  .beads {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .beads::before {
    left: 23px;
    right: auto;
    top: 20px;
    bottom: 20px;
    width: 2px;
    height: auto;
  }

  .beads li {
    display: grid;
    grid-template-columns: 48px 76px minmax(0, 1fr) auto;
    align-items: center;
    gap: 0 14px;
    padding: 0;
    text-align: left;
  }

  .beads .tag:first-of-type {
    margin-top: 0;
  }

  .beads .name {
    min-height: 0;
    font-size: 15px;
  }

  .beads li > .tag:last-child {
    grid-column: 3 / -1;
    grid-row: 2;
    margin-top: -2px;
  }

  .beads .value,
  .beads .pending {
    text-align: right;
  }

  .three,
  .faq,
  .pending-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .row {
    grid-template-columns: var(--spine) minmax(0, 1fr);
    row-gap: 16px;
  }

  .row .text {
    padding-right: 0;
  }

  .row .figure {
    grid-column: 2;
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 720px) {
  :root {
    --spine: 40px;
  }

  body {
    font-size: 17px;
  }

  .site-header {
    gap: 12px;
  }

  .site-header nav a:not(.btn) {
    display: none;
  }

  .btn.small {
    padding: 0 16px;
    font-size: 15px;
  }

  .hero {
    padding: 56px 0 48px;
    gap: 24px;
  }

  .lead {
    font-size: 19px;
  }

  .spine {
    gap: 88px;
  }

  .measured {
    margin-top: -56px;
  }

  .knot .bead,
  .row > .bead {
    width: 16px;
    height: 14px;
  }

  .row .big {
    font-size: 36px;
  }

  .beads li {
    grid-template-columns: 48px minmax(0, 1fr) auto;
  }

  .beads li > .tag:first-of-type {
    grid-column: 2 / -1;
    grid-row: 1;
  }

  .beads .name {
    grid-column: 2;
    grid-row: 2;
  }

  .beads .value,
  .beads .pending {
    grid-column: 3;
    grid-row: 2;
  }

  .beads li > .tag:last-child {
    grid-column: 2 / -1;
    grid-row: 3;
    margin-top: 0;
  }

  .beads .bead {
    grid-row: 1 / span 3;
  }
}

@media (max-width: 560px) {
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }
}