/* ============================================================
   Vielis Investments — styles.css
   Palette tokens are the only place color is defined.
   ============================================================ */

:root {
  --ink: #0D1826;
  --ink-raised: #14212F;
  --mist: #DCE4EA;
  --mist-dim: #7D8FA0;
  --brass: #C08A2E;
  --signal: #4FD1C5;

  /* Derived */
  --hairline: rgba(192, 138, 46, 0.35);
  --hairline-faint: rgba(192, 138, 46, 0.16);

  --font-display: "Bricolage Grotesque", sans-serif;
  --font-body: "Newsreader", serif;
  --font-mono: "IBM Plex Mono", monospace;

  --rail: 10.5rem;
  --measure: 62ch;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: var(--ink);
  color-scheme: dark;
  scroll-behavior: smooth;
}

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

body {
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--brass);
  color: var(--ink);
}

a {
  color: var(--mist);
  text-decoration-color: var(--hairline);
  text-underline-offset: 0.2em;
}

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

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

/* ---- Page frame ------------------------------------------- */

.frame {
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

/* ---- Header ------------------------------------------------ */

.site-header {
  padding-top: 2rem;
}

.wordmark {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
  text-decoration: none;
}

.wordmark .tld { color: var(--mist-dim); }

/* ---- Two-track sections ------------------------------------ */

.section {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 0 2.5rem;
  padding-top: clamp(3.5rem, 8vw, 6.5rem);
}

.rail {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist-dim);
  padding-top: 0.55em;
}

.rail::after {
  content: "";
  display: block;
  width: 2rem;
  border-top: 1px solid var(--hairline);
  margin-top: 0.9rem;
}

/* ---- Hero --------------------------------------------------- */

.hero { padding-top: clamp(4rem, 10vw, 8rem); }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7.5vw, 7rem);
  font-variation-settings: "opsz" 96, "wdth" 92;
  font-weight: 640;
  line-height: 0.95;
  letter-spacing: -0.03em;
  max-width: 14ch;
  text-wrap: balance;
}

.hero .dek {
  margin-top: 1.75rem;
  max-width: 46ch;
  font-size: 1.1875rem;
  color: var(--mist-dim);
}

.hero .dek strong { color: var(--mist); font-weight: 500; }

/* ---- Section headings & prose ------------------------------- */

.section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  font-weight: 560;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.prose { max-width: var(--measure); }
.prose p + p { margin-top: 1em; }
.prose .lead { font-size: 1.1875rem; }

.muted { color: var(--mist-dim); }

/* ---- What Vielis is: ruled columns --------------------------- */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.col-block {
  border-top: 1px solid var(--hairline);
  padding-top: 1.25rem;
}

.col-block h3 {
  font-family: var(--font-display);
  font-size: 1.3125rem;
  font-weight: 580;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.col-block p { color: var(--mist-dim); }
.col-block p strong { color: var(--mist); font-weight: 500; }

/* ---- Ledger --------------------------------------------------- */

.ledger-section { padding-top: clamp(3.5rem, 8vw, 6.5rem); }

.ledger-intro {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 0 2.5rem;
  margin-bottom: 2.25rem;
}

.ledger {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  border-top: 1px solid var(--brass);
}

.ledger-head {
  display: grid;
  grid-template-columns: 2.2fr 1.4fr 1fr 1.4fr 2.5rem;
  gap: 1rem;
  padding: 0.8rem 0.25rem;
  color: var(--mist-dim);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--hairline);
}

.ledger-row { border-bottom: 1px solid var(--hairline-faint); }

.ledger-row.pending {
  opacity: 0;
  transform: translateY(6px);
}

.ledger-row.settled {
  opacity: 1;
  transform: none;
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.row-toggle {
  display: grid;
  grid-template-columns: 2.2fr 1.4fr 1fr 1.4fr 2.5rem;
  gap: 1rem;
  align-items: baseline;
  width: 100%;
  padding: 1rem 0.25rem;
  background: none;
  border: 0;
  font: inherit;
  color: var(--mist);
  text-align: left;
  cursor: pointer;
}

.row-toggle:hover { background: var(--ink-raised); }

.row-static { cursor: default; }
.row-static:hover { background: none; }

.cell-company { color: var(--brass); }
.cell-sector, .cell-stage, .cell-role { color: var(--mist-dim); }
.cell-mark {
  color: var(--mist-dim);
  text-align: right;
}

.row-toggle[aria-expanded="true"] .cell-mark { color: var(--brass); }

.row-thesis {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.28s ease-out;
}

.row-thesis > div { overflow: hidden; }

.row-toggle[aria-expanded="true"] + .row-thesis {
  grid-template-rows: 1fr;
}

.row-thesis p {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--mist);
  max-width: 58ch;
  padding: 0.25rem 0.25rem 1.4rem;
}

.row-thesis p::before {
  content: "";
  display: block;
  width: 2rem;
  border-top: 1px solid var(--brass);
  margin-bottom: 0.8rem;
}

@media (prefers-reduced-motion: reduce) {
  .ledger-row.pending { opacity: 1; transform: none; }
  .ledger-row.settled { transition: none; }
  .row-thesis { transition: none; }
}

/* ---- Contact --------------------------------------------------- */

.contact-line {
  font-family: var(--font-mono);
  font-size: 1rem;
}

/* ---- Footer ----------------------------------------------------- */

.site-footer {
  margin-top: clamp(4rem, 10vw, 7rem);
  border-top: 1px solid var(--hairline);
  padding-top: 2rem;
  padding-bottom: 3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--mist-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  justify-content: space-between;
}

.site-footer a { color: var(--mist-dim); }
.site-footer a:hover { color: var(--mist); }
.footer-links { display: flex; gap: 1.5rem; }

/* ---- Legal pages ------------------------------------------------ */

.legal { padding-top: clamp(3rem, 7vw, 5rem); }

.legal h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.legal .updated {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 2.5rem;
}

.legal h2 {
  font-family: var(--font-display);
  font-size: 1.4375rem;
  font-weight: 580;
  letter-spacing: -0.01em;
  margin: 2.25rem 0 0.75rem;
}

.legal h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 580;
  margin: 1.5rem 0 0.5rem;
}

.legal p, .legal li { max-width: var(--measure); color: var(--mist); }
.legal p + p { margin-top: 0.75em; }
.legal ul { padding-left: 1.25rem; margin: 0.75em 0; }
.legal li + li { margin-top: 0.4em; }

/* ---- 404 --------------------------------------------------------- */

.notfound {
  min-height: 70vh;
  display: grid;
  align-content: center;
}

.notfound .code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  color: var(--brass);
  margin-bottom: 1rem;
}

.notfound h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 620;
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

/* ---- Responsive --------------------------------------------------- */

@media (max-width: 760px) {
  .section, .ledger-intro {
    grid-template-columns: 1fr;
    gap: 1.1rem 0;
  }
  .rail::after { display: none; }
  .two-col { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 560px) {
  .ledger-head { display: none; }

  .row-toggle {
    display: block;
    position: relative;
    padding-right: 2.25rem;
  }
  .cell-company { display: block; margin-bottom: 0.3rem; }
  .cell-sector, .cell-stage, .cell-role {
    display: inline;
    font-size: 0.75rem;
  }
  .cell-sector::after, .cell-stage::after {
    content: " · ";
    color: var(--mist-dim);
  }
  .cell-mark {
    position: absolute;
    top: 1rem;
    right: 0.25rem;
  }
}