/* Affinor Biosciences — single stylesheet for every page. Mobile-first. */

:root {
  --bg: #0A0A0B;
  --ink: #EDEDEF;
  --ink-soft: #9C9CA4;
  --ink-faint: #85858D;
  --rule: rgba(237, 237, 239, 0.13);
  --rule-soft: rgba(237, 237, 239, 0.07);

  --accent: #A40000;
  --accent-dim: #8D1F17;

  --font: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --band: clamp(2.75rem, 6vw, 5.25rem);

  --fs-micro: clamp(0.6875rem, 0.66rem + 0.15vw, 0.75rem);
  --fs-sm: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);
  --fs-body: clamp(1rem, 0.96rem + 0.28vw, 1.125rem);
  --fs-lede: clamp(1.0625rem, 1rem + 0.5vw, 1.375rem);
  --fs-h2: clamp(1.375rem, 1.2rem + 1.1vw, 1.875rem);
  --fs-hero: clamp(1.75rem, 1.15rem + 3.1vw, 3.25rem);
  --fs-display: clamp(2.125rem, 1.35rem + 4.2vw, 4.25rem);
}

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

html {
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.6;
  font-weight: 400;
  overflow-wrap: break-word;
}

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

/* ---- The optical motif: a few soft out-of-focus points of light. ---- */

.optic {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(22rem 22rem at 84% 11%, rgba(164, 0, 0, 0.17), rgba(164, 0, 0, 0) 70%),
    radial-gradient(10rem 10rem at 94% 29%, rgba(237, 237, 239, 0.055), rgba(237, 237, 239, 0) 72%),
    radial-gradient(33rem 29rem at 103% 83%, rgba(141, 31, 23, 0.15), rgba(141, 31, 23, 0) 74%),
    radial-gradient(8rem 8rem at 71% 63%, rgba(237, 237, 239, 0.03), rgba(237, 237, 239, 0) 75%);
}

/* ---- Shell: content weighted left, negative space kept to the right. ---- */

.frame {
  width: 100%;
  max-width: 78rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.measure { max-width: 34rem; }

/* ---- Type ---- */

.wordmark {
  font-size: var(--fs-micro);
  letter-spacing: 0.22em;
  color: var(--ink);
  font-weight: 500;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  font-size: var(--fs-micro);
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  font-weight: 500;
}

.eyebrow__rule {
  flex: 0 0 auto;
  width: 2.25rem;
  height: 1px;
  background: var(--accent);
}

.display {
  font-size: var(--fs-display);
  line-height: 1.04;
  letter-spacing: -0.022em;
  font-weight: 500;
  text-wrap: balance;
}

.lede {
  margin-top: clamp(1.5rem, 3vw, 2rem);
  max-width: 32rem;
  font-size: var(--fs-lede);
  line-height: 1.5;
  color: var(--ink-soft);
}

.locale {
  font-size: var(--fs-micro);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---- Links ---- */

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--ink-faint);
  text-underline-offset: 0.3em;
}

a:hover { text-decoration-color: var(--ink); }

.mailto {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: var(--fs-body);
  letter-spacing: 0.01em;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  box-shadow: 0 0 0 6px rgba(237, 237, 239, 0.22);
  border-radius: 2px;
}

/* ---- Homepage ---- */

.page--home .frame {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.page--home .masthead { padding-block: clamp(1.75rem, 5vw, 3rem); }

.page--home .stage {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  padding-block: clamp(2.5rem, 8vw, 5rem);
}

.page--home .contact { margin-top: clamp(2rem, 5vw, 3.25rem); }

.page--home .baseline {
  padding-block: clamp(1.75rem, 5vw, 3rem);
  border-top: 1px solid var(--rule-soft);
}

/* ---- Long-form document pages ---- */

.page--doc .masthead {
  padding-block: clamp(1.75rem, 5vw, 3rem);
  border-bottom: 1px solid var(--rule-soft);
}

.hero { padding-block: clamp(3rem, 9vw, 6.5rem); }

.hero__title {
  font-size: var(--fs-hero);
  line-height: 1.12;
  letter-spacing: -0.018em;
  font-weight: 500;
  max-width: 46rem;
}

.hero__title .line { display: block; }

.hero .lede { max-width: 40rem; }

.sec {
  padding-block: var(--band);
  border-top: 1px solid var(--rule);
}

.sec__label {
  font-size: var(--fs-micro);
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.sec__label::before {
  content: "";
  display: block;
  width: 1.5rem;
  height: 1px;
  margin-bottom: 0.7rem;
  background: var(--accent);
}

.sec__title {
  font-size: var(--fs-h2);
  line-height: 1.2;
  letter-spacing: -0.012em;
  font-weight: 500;
  margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.sec__body { max-width: 42rem; }

.sec__body > p + p { margin-top: 1.15rem; }

.sec__body > p { color: var(--ink-soft); }

.sec__body > p.plain { color: var(--ink); }

/* Marked lists */

.points,
.asks {
  list-style: none;
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  max-width: 42rem;
}

.points > li,
.asks > li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--ink-soft);
}

.points > li::before,
.asks > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 0.8rem;
  height: 1px;
  background: var(--accent-dim);
}

/* Three-stage progression (CSS only) */

.steps {
  list-style: none;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.25rem);
  counter-reset: step;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.step {
  position: relative;
  counter-increment: step;
  padding-left: 3.5rem;
  min-height: 2.5rem;
  color: var(--ink);
}

.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.375rem;
  height: 2.375rem;
  border: 1px solid var(--rule);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--ink-soft);
}

.step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.1875rem;
  top: 2.875rem;
  bottom: calc(-1 * clamp(1.5rem, 4vw, 2.25rem) - 0.25rem);
  width: 1px;
  background: linear-gradient(180deg, var(--rule), var(--rule-soft));
}

/* Team */

.roster {
  list-style: none;
  display: grid;
  gap: clamp(1.1rem, 3vw, 1.5rem);
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  max-width: 42rem;
}

.roster > li {
  padding-left: 1.15rem;
  border-left: 1px solid var(--rule);
}

.roster .name {
  display: block;
  font-weight: 500;
  letter-spacing: -0.005em;
}

.roster .role {
  display: block;
  font-size: var(--fs-sm);
  color: var(--ink-soft);
}

/* Contact block */

.card {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  max-width: 42rem;
}

.card .name {
  display: block;
  font-weight: 500;
}

.card .role {
  display: block;
  font-size: var(--fs-sm);
  color: var(--ink-soft);
}

.page--doc .baseline {
  padding-block: clamp(2rem, 5vw, 3.25rem);
  border-top: 1px solid var(--rule);
}

/* ---- Motion: one slow fade-in, nothing else. ---- */

.reveal { animation: rise 900ms cubic-bezier(0.22, 0.61, 0.36, 1) both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---- Breakpoint 1 ---- */

@media (min-width: 40em) {
  .measure { max-width: 38rem; }

  .points,
  .asks { gap: 1.1rem; }

  .roster {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.5rem, 4vw, 2.5rem);
  }
}

/* ---- Breakpoint 2 ---- */

@media (min-width: 64em) {
  .page--home .stage { padding-right: clamp(0rem, 14vw, 16rem); }

  .measure { max-width: 40rem; }

  .sec {
    display: grid;
    grid-template-columns: minmax(0, 14rem) minmax(0, 1fr);
    column-gap: clamp(2rem, 5vw, 4rem);
  }

  .sec__head { grid-column: 1; }
  .sec__body,
  .sec > .points,
  .sec > .asks,
  .sec > .steps,
  .sec > .roster,
  .sec > .card { grid-column: 2; }

  .sec__title { margin-bottom: 0; }

  .points,
  .asks,
  .steps,
  .roster,
  .card { margin-top: 0; }

  .sec__body + .points,
  .sec__body + .asks { margin-top: clamp(1.25rem, 3vw, 1.75rem); }

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

  .step {
    padding-left: 0;
    padding-top: 3.375rem;
  }

  .step:not(:last-child)::after {
    left: 2.875rem;
    right: calc(-1 * clamp(1.5rem, 4vw, 2.25rem));
    top: 1.1875rem;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--rule), var(--rule-soft));
  }
}