/* Bindary Design System tokens.
   Marist and Diatype are licensed to Bindary only and have no Cyrillic, so Source Serif 4
   and Geist stand in for them here; Geist Mono is the system's own mono face. */
:root {
  --black: #1A1A1A;
  --ink-700: #333333;
  --grey-500: #6B6B6B;
  --grey-300: #B8B8B8;
  --grey-200: #DDDBD5;
  --beige: #F2F0EA;
  --white: #FFFFFF;
  --blue-500: #4B2FF5;
  --blue-400: #7A64FF;

  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "Geist", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, Menlo, monospace;

  --tracking-wordmark: -0.04em;
  --tracking-display: -0.02em;
  --tracking-label: 0.14em;

  --radius-m: 10px;
  --radius-l: 16px;
  --radius-pill: 999px;

  --ease: cubic-bezier(.2, .7, .2, 1);
  --dur-fast: 120ms;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--beige);
  color: var(--black);
  font: 400 17px/1.5 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-inline: 40px;
}

.label {
  margin: 0;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--grey-500);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.wordmark {
  font: 700 19px/1 var(--font-body);
  letter-spacing: var(--tracking-wordmark);
}

/* Language switch, after the Tabs component: a pill track with the current language filled */
.lang {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border-radius: var(--radius-pill);
  background: var(--white);
}

.lang a {
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font: 500 13px/1 var(--font-body);
  color: var(--ink-700);
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast);
}

.lang a:hover { color: var(--black); }

.lang a[aria-current="page"] {
  background: var(--black);
  color: var(--white);
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  column-gap: 64px;
  align-items: end;
  padding-block: 56px 32px;
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
  container-type: inline-size;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 14px;
}

.kicker img {
  display: block;
  width: 28px;
  height: 28px;
}

/* The name is the headline: a quiet lead-in line, then the name as large as the column allows */
.hero h1 {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  font: 600 clamp(52px, 2.2rem + 5.2vw, 108px)/1 var(--font-display);
  letter-spacing: var(--tracking-display);
  text-wrap: balance;
}

.intro-line {
  font: 400 clamp(18px, 1rem + 0.5vw, 22px)/1.3 var(--font-body);
  letter-spacing: 0;
  color: var(--ink-700);
}

/* The Russian name is two letters longer, so it steps down to stay on one line */
.hero h1:lang(ru) { font-size: clamp(44px, 1.8rem + 4.4vw, 88px); }

.nowrap { white-space: nowrap; }

.hero-lede {
  margin: 0;
  max-width: 600px;
  font-size: 20px;
  color: var(--ink-700);
  text-wrap: pretty;
}

/* Contact bar: a black pill track, email first as the filled action, networks beside it */
.social {
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 4px;
  padding: 6px;
  border-radius: var(--radius-pill);
  background: var(--black);
}

.social-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  font: 500 15px/1 var(--font-body);
  color: var(--white);
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease), color var(--dur-fast);
}

.social-link:hover { background: rgba(255, 255, 255, .12); }

.social-link.is-primary {
  background: var(--white);
  color: var(--black);
}

.social-link.is-primary:hover { background: var(--beige); }

.social-link:focus-visible { outline-color: var(--blue-400); }

.social-icon {
  flex: none;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.portrait {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-l);
  background: var(--white);
}

/* Press feedback, from the Button component */
.social-link:active { transform: scale(.98); }

/* When the text column is too narrow for four labelled pills (about 600px, which happens
   between tablet and desktop widths), the networks keep only their icons; the names stay
   for screen readers. The phone rule below repeats this for browsers without container queries. */
@container (max-width: 600px) {
  .social-link:not(.is-primary) { padding: 12px 14px; }

  .social-link:not(.is-primary) .social-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

/* Sections */
.section { padding-block: 88px; }

.section-head {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.section-head h2 {
  margin: 0;
  max-width: 19em;
  font: 600 40px/1.12 var(--font-display);
  letter-spacing: var(--tracking-display);
  text-wrap: pretty;
}

/* White list card with ruled rows */
.list {
  margin: 0;
  padding: 8px 32px;
  background: var(--white);
  border-radius: var(--radius-l);
}

.list-row {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  column-gap: 32px;
  align-items: center;
  padding-block: 18px;
}

.list-row + .list-row { border-top: 1px solid var(--grey-200); }

.list dt {
  margin: 0;
  font-weight: 600;
}

.list dd {
  margin: 0;
  color: var(--ink-700);
  text-wrap: pretty;
}

.company {
  display: flex;
  align-items: center;
  gap: 14px;
}

.company img {
  flex: none;
  display: block;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-m);
}

/* The Bindary mark sits on a black tile in the approved White + Blue 400 pairing */
.company .logo-tile {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-m);
  background: var(--black);
}

.company .logo-tile img {
  width: 24px;
  height: 24px;
  border-radius: 0;
}

/* Chip, size s, neutral status */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  background: var(--beige);
  color: var(--grey-500);
  font: 500 10px/1 var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.list a,
.hero-lede a,
.split-text a {
  color: inherit;
  text-decoration-line: underline;
  text-decoration-color: var(--grey-300);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--dur-fast), text-decoration-color var(--dur-fast);
}

.list a:hover,
.hero-lede a:hover,
.split-text a:hover {
  color: var(--blue-500);
  text-decoration-color: var(--blue-500);
}

/* Split statement: heading on the left, one paragraph of detail on the right */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  column-gap: 64px;
  align-items: end;
  margin-top: 28px;
}

.split h2 {
  margin: 0;
  font: 600 40px/1.12 var(--font-display);
  letter-spacing: var(--tracking-display);
  text-wrap: pretty;
}

.split-text {
  margin: 0;
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-700);
  text-wrap: pretty;
}

/* Endurance: the same split on a black band */
.band {
  background: var(--black);
  color: var(--white);
}

.band .label { color: rgba(255, 255, 255, .6); }

.band .split h2 { font-size: 44px; line-height: 1.1; }

.band .split-text { color: rgba(255, 255, 255, .75); }

.band .split-text a { text-decoration-color: rgba(255, 255, 255, .4); }

/* Talks: a photo wall under the statement. One 12-column grid at every width;
   wide 3:2 tiles span 6, upright 3:4 tiles span 3 and square tiles span 4,
   so every row of a wide-plus-upright mix keeps the same height. */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 12px;
  margin-top: 48px;
}

.photo-grid img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-l);
  background: var(--white);
}

.tile-wide { grid-column: span 6; aspect-ratio: 3 / 2; }
.tile-tall { grid-column: span 3; aspect-ratio: 3 / 4; }
.tile-square { grid-column: span 4; aspect-ratio: 1; }

/* Footer */
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  padding-block: 40px 48px;
  font-size: 14px;
  color: var(--grey-500);
}

.footer .wordmark {
  font-size: 16px;
  color: var(--black);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--grey-500);
  text-decoration: none;
}

.footer-links a:hover { color: var(--black); }

a:focus-visible {
  outline: 2px solid var(--blue-500);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .social-link, .lang a, .list a, .hero-lede a, .split-text a { transition: none; }
  .social-link:active { transform: none; }
}

@media (max-width: 860px) {
  .wrap { padding-inline: 20px; }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 32px;
    padding-block: 24px 8px;
  }

  .portrait {
    grid-row: 1;
    max-width: 168px;
  }

  .hero-lede { font-size: 17px; }

  /* On a phone the networks collapse to icons; their names stay for screen readers */
  .social-link { padding: 12px 14px; }

  .social-link:not(.is-primary) .social-label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .section { padding-block: 56px; }

  .section-head h2 { font-size: 30px; }

  .list { padding: 4px 20px; }

  .list-row {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 8px;
    align-items: start;
    padding-block: 16px;
  }

  .split {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 20px;
  }

  .split h2 { font-size: 30px; }

  .band .split h2 { font-size: 32px; }

  .split-text { font-size: 17px; }

  .photo-grid {
    gap: 8px;
    margin-top: 32px;
  }

  .photo-grid img { border-radius: var(--radius-m); }
}