@font-face {
  font-family: "Newsreader";
  src: url("fonts/newsreader-regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Newsreader";
  src: url("fonts/newsreader-italic.woff2") format("woff2");
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/ibm-plex-sans-regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/ibm-plex-sans-medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/ibm-plex-mono-regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}

:root {

  --bg:        #08090B;
  --bg-raised: #0E1013;
  --fg:        #E8E4DC;
  --fg-dim:    #A2A096;
  --accent:    #B9975B;

  --rule:       rgba(232, 228, 220, .18);
  --rule-faint: rgba(232, 228, 220, .10);

  --space: clamp(1.25rem, 1rem + 1.2vw, 2.5rem);
  --measure: 68ch;

  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-body:    "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --step--1: clamp(0.80rem, 0.77rem + 0.14vw, 0.88rem);
  --step-0:  clamp(1.00rem, 0.96rem + 0.20vw, 1.13rem);
  --step-1:  clamp(1.20rem, 1.10rem + 0.50vw, 1.50rem);
  --step-2:  clamp(1.50rem, 1.28rem + 1.05vw, 2.25rem);
  --step-3:  clamp(2.00rem, 1.55rem + 2.20vw, 3.50rem);

  --wrap: 76rem;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: var(--step-0);
}

p { max-width: var(--measure); }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--space);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}

.topbar__inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-block: calc(var(--space) * .55);
}

.wordmark {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .22em;
  text-transform: uppercase;
  text-decoration: none;
}

.topbar__link {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .1em;
  color: var(--fg-dim);
  text-decoration: none;
}

.topbar__link:hover { color: var(--fg); }

.hero { padding-block: clamp(4rem, 3rem + 9vw, 9rem); }

.hero__inner {
  display: grid;
  gap: calc(var(--space) * 2);
  align-items: center;
}

.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -.01em;
  text-wrap: balance;
}

.hero__domains {
  display: block;
  margin-top: .35em;
  font-size: .52em;
  line-height: 1.35;
  color: var(--fg-dim);
}

.hero__lede {
  margin: calc(var(--space) * 1.1) 0 0;
  font-size: var(--step-1);
  color: var(--fg);
  text-wrap: balance;
}

.band {
  border-top: 1px solid var(--rule);
  padding-block: clamp(3rem, 2.2rem + 4vw, 6rem);
}

.band--raised { background: var(--bg-raised); }

.band--contact { border-bottom: 1px solid var(--rule); }

.grid-2 {
  display: grid;
  gap: calc(var(--space) * 2);
}

.entry__num {
  margin: 0 0 .75em;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .28em;
  color: var(--fg-dim);
}

.entry__title {
  margin: 0 0 .6em;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 400;
  line-height: 1.15;
}

.entry__sub {
  margin: 0 0 .5em;
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 500;
  letter-spacing: .01em;
}

.entry p { color: var(--fg-dim); }

.entry p + p { margin-top: 1em; }

.pivot__title {
  margin: 0 0 .6em;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 400;
  line-height: 1.15;
}

.pivot__lede {
  margin: 0 0 calc(var(--space) * 1.6);
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-style: italic;
  color: var(--fg);
}

.pivot__pair { border-top: 1px solid var(--rule-faint); padding-top: var(--space); }

.approche__lede {
  margin: 0 0 calc(var(--space) * 1.6);
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-style: italic;
}

.axes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space);
}

.axes__item {
  border-top: 1px solid var(--rule-faint);
  padding-top: var(--space);
}

.axes__item p { color: var(--fg-dim); }

.contact__address {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  letter-spacing: .02em;
  user-select: none;
  -webkit-user-select: none;
}

.contact__address:hover { color: var(--accent); }

.foot {
  padding-block: calc(var(--space) * 2);
  font-size: var(--step--1);
  color: var(--fg-dim);
}

.foot p { margin: 0 0 .8em; max-width: none; }

.foot__mark {
  margin-top: calc(var(--space) * 1.2);
  font-family: var(--font-mono);
  letter-spacing: .16em;
  color: var(--fg-dim);
  opacity: .72;
}

@media (min-width: 760px) {
  .hero__inner { grid-template-columns: minmax(0, 1fr) auto; }
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .axes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.orbit {
  --d: clamp(11rem, 8rem + 12vw, 15rem);
  position: relative;
  inline-size: var(--d);
  block-size: var(--d);
}

.orbit__ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--rule);
  border-radius: 50%;
}

.orbit__axis {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 0;
  border-top: 1px solid var(--rule-faint);
}

.orbit__carrier {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  rotate: 0deg;
  animation: orbit-carrier 20s linear infinite;
}

.orbit__small {
  position: absolute;
  left: 0;
  top: calc(var(--d) / -4);
  width: calc(var(--d) / 2);
  height: calc(var(--d) / 2);
  border: 1px solid var(--rule);
  border-radius: 50%;
}

.orbit__spin {
  position: absolute;
  left: calc(var(--d) / 4);
  top: 0;
  width: 0;
  height: 0;
  rotate: 0deg;
  animation: orbit-spin 20s linear infinite;
}

.orbit__dot {
  position: absolute;
  left: calc(var(--d) / 4);
  top: 0;
  width: 7px;
  height: 7px;
  margin: -3.5px 0 0 -3.5px;
  border-radius: 50%;
  background: var(--accent);
}

@keyframes orbit-carrier { to { rotate: 360deg; } }
@keyframes orbit-spin    { to { rotate: -720deg; } }

html { scroll-behavior: smooth; }

:where(section[id]) { scroll-margin-top: 5rem; }

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .band > .wrap,
    .hero__text {
      animation: reveal linear both;
      animation-timeline: view();
      animation-range: entry 10% cover 26%;
    }

    @keyframes reveal {
      from { opacity: 0; transform: translateY(12px); }
      to   { opacity: 1; transform: none; }
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }

  .orbit__carrier { rotate: 30deg; }
  .orbit__spin    { rotate: -60deg; }
}