/* =========================================================
   Leto Labs — holding page
   Brand tokens in :root. Full guide: /brand/brand-guidelines.html
   ========================================================= */

:root {
  --ink: #12141c;
  --paper: #f6f5f1;
  --slate: #5a5f6e;
  --line: #dcdbd4;
  --violet: #4b3bef;
  --coral: #ff6b3d;

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  color-scheme: light dark;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }

a {
  color: var(--violet);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

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

/* ---------- Holding page ---------- */
.holding {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 5vw, 3rem);
}

/* Split layout: big mark | content */
.split {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: clamp(2.5rem, 8vw, 6rem);
  max-width: 68rem;
  width: 100%;
  margin-inline: auto;
  padding-block: 3rem;
}

.split__visual {
  display: flex;
  justify-content: center;
}
.mark {
  width: 100%;
  max-width: 26rem;
  height: auto;
}

.split__content { max-width: 38rem; }

.wordmark {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
}

.holding h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5.2vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 14ch;
}
.holding h1 .accent { color: var(--violet); }

.statement {
  font-size: clamp(1rem, 2.2vw, 1.1875rem);
  color: var(--slate);
  margin: 1.75rem 0 0;
  max-width: 32rem;
}

.disciplines {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
}
.disciplines li { display: flex; align-items: center; white-space: nowrap; }
.disciplines li + li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--violet);
  margin-right: 0.9rem;
}

.contact {
  margin: 2.25rem 0 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.contact a {
  display: inline-block;
  padding: 0.8rem 1.4rem;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  color: var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
}
.contact a:hover {
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

.holding__foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--slate);
  padding-top: 2rem;
}

@media (max-width: 820px) {
  .split {
    grid-template-columns: 1fr;
    gap: clamp(2rem, 8vw, 3rem);
    text-align: center;
    justify-items: center;
  }
  .mark { max-width: 15rem; }
  .split__content { max-width: 32rem; }
  .holding h1 { max-width: none; }
}

@media (max-width: 480px) {
  .holding__foot { justify-content: center; text-align: center; }
}

/* ---------- Dark mode ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f4f4f2;
    --paper: #0f1116;
    --slate: #9a9fae;
    --line: #2a2d3a;
    --violet: #8b7dff;
  }
  .mark { filter: none; }
  .contact a { border-color: var(--ink); color: var(--ink); }
  .contact a:hover { background: var(--ink); color: var(--paper); }
}