/* ───────────────────────────────────────────────────────────
   Ulyanov Group
   Off-white ground, black typography, one technical accent.
   ─────────────────────────────────────────────────────────── */

:root {
  --paper:      #F7F6F3;
  --ink:        #0B0B0C;
  --ink-soft:   #55565A;
  --ink-faint:  #8C8D92;
  --hairline:   #D9D7D1;
  --accent:     #1B32C9;

  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --gutter: clamp(1.5rem, 6vw, 8rem);
  --stack:  clamp(4rem, 10vw, 8rem);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: #fff; }

a { color: inherit; }

/* ── Masthead ─────────────────────────────────────────────── */

.masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 2.75rem) var(--gutter);
}

.wordmark {
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
}

.masthead-note {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ── Shared ───────────────────────────────────────────────── */

main { padding: 0 var(--gutter); }

.rule {
  border: 0;
  border-top: 1px solid var(--hairline);
  margin: 0;
}

.section-label {
  margin: 0 0 clamp(2rem, 5vw, 3.25rem);
  font-family: var(--mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ── Hero ─────────────────────────────────────────────────── */

.hero {
  padding: clamp(3.5rem, 11vw, 8rem) 0 clamp(4rem, 11vw, 8rem);
  max-width: 54rem;
}

.hero h1 {
  margin: 0;
  max-width: 16em;
  font-size: clamp(1.875rem, 1.1rem + 3.4vw, 3.75rem);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.032em;
}

.lead {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  max-width: 36em;
  font-size: clamp(1.0625rem, 0.95rem + 0.5vw, 1.375rem);
  line-height: 1.55;
  color: var(--ink-soft);
}

.lead strong {
  font-weight: 400;
  color: var(--ink);
}

/* ── Where we're involved ─────────────────────────────────── */

.holdings-section { padding: clamp(3rem, 7vw, 5rem) 0 var(--stack); }

.holdings {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.holdings li { border-bottom: 1px solid var(--hairline); }

.holdings a {
  display: flex;
  align-items: baseline;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.25rem, 2.5vw, 1.75rem) 0;
  text-decoration: none;
  transition: color 160ms ease;
}

.holdings a:hover,
.holdings a:focus-visible { color: var(--accent); }

.h-name {
  flex: none;
  min-width: min(100%, 14rem);
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.h-role {
  flex: 1;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.holdings a:hover .h-role,
.holdings a:focus-visible .h-role { color: var(--accent); }

/* ── Contact ──────────────────────────────────────────────── */

.contact { padding: var(--stack) 0 clamp(4rem, 10vw, 7rem); }

.contact-body {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: clamp(2.5rem, 6vw, 5rem);
}

.principal { margin: 0; }

.principal-name {
  display: block;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.25rem);
  font-weight: 400;
  letter-spacing: -0.025em;
}

.principal-role {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.links {
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: min(100%, 20rem);
}

.links li + li { border-top: 1px solid var(--hairline); }

.links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.05rem 0;
  font-size: 1.0625rem;
  text-decoration: none;
  word-break: break-word;
  transition: color 160ms ease;
}

.links a:hover,
.links a:focus-visible { color: var(--accent); }

.arrow {
  flex: none;
  font-family: var(--mono);
  transition: transform 220ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.links a:hover .arrow,
.links a:focus-visible .arrow { transform: translateX(6px); }

/* ── Footer ───────────────────────────────────────────────── */

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding: 1.75rem var(--gutter) 2.25rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ── Narrow screens ───────────────────────────────────────── */

@media (max-width: 560px) {
  .contact-body { flex-direction: column; }

  .holdings a { flex-direction: column; gap: 0.5rem; }
  .holdings .arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 1ms !important; animation-duration: 1ms !important; }
}