/* =========================================================
   X42 Core, Inc. — design tokens
   Same color family as Above the Wire, inverted emphasis:
   dark-dominant, terracotta as accent rather than a field color.
   ========================================================= */
:root {
  --void: #15171a;
  --surface: #1e2124;
  --surface-2: #26292d;
  --border: #33373b;
  --terracotta: #c2592e;
  --terracotta-dark: #9c4423;
  --terracotta-tint: #e2895e;
  --terracotta-wash: rgba(194, 89, 46, 0.12);
  --white: #ffffff;
  --ink: #f4efe9;
  --ink-soft: #b7b0a8;
  --ink-faint: #7d7871;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow-soft: 0 20px 50px -24px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 14px 30px -18px rgba(0, 0, 0, 0.55);
  --maxw: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--void); color-scheme: dark only; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-soft);
  background: var(--void);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.3rem, 4.6vw, 3.5rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; color: var(--ink); }

p { margin: 0 0 1em; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--terracotta-tint);
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(226, 137, 94, 0.2);
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.signal-trace {
  position: relative;
  height: 2px;
  background: linear-gradient(90deg, transparent, currentColor 12%, currentColor 88%, transparent);
  opacity: 0.35;
  margin: 0 auto;
  max-width: 220px;
}
.signal-trace.animated::after {
  content: "";
  position: absolute;
  top: 50%; left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px rgba(226, 137, 94, 0.18);
  animation: pulse-travel 3.2s ease-in-out infinite;
}
@keyframes pulse-travel {
  0% { left: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .signal-trace.animated::after { animation: none; left: 50%; opacity: 1; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   Header
   ========================================================= */
.site-header {
  background: rgba(21, 23, 26, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand-mark { display: flex; align-items: center; gap: 10px; }
.brand-mark img { height: 46px; width: auto; }

nav.primary-nav { display: flex; align-items: center; gap: 30px; }
nav.primary-nav a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
}
nav.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--terracotta);
  transition: right 0.22s ease;
}
nav.primary-nav a:hover::after, nav.primary-nav a.active::after { right: 0; }
nav.primary-nav a.active { color: var(--terracotta-tint); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 18px; height: 2px; background: var(--ink); position: relative;
}
.nav-toggle span::before { content: ""; position: absolute; top: -6px; }
.nav-toggle span::after { content: ""; position: absolute; top: 6px; }

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-terracotta { background: var(--terracotta); color: var(--white); }
.btn-terracotta:hover { background: var(--terracotta-dark); box-shadow: var(--shadow-soft); }

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--terracotta); color: var(--terracotta-tint); }

.btn-wide { width: 100%; }

/* =========================================================
   Sections
   ========================================================= */
section { padding: 88px 0; }
section.tight { padding: 56px 0; }
.section-void { background: var(--void); }
.section-surface { background: var(--surface); }

.section-head { max-width: 640px; margin: 0 0 44px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head .eyebrow { margin-bottom: 14px; }

/* =========================================================
   Hero
   ========================================================= */
.hero { padding: 100px 0 80px; position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 85% 10%, rgba(194,89,46,0.10) 0, transparent 40%),
    radial-gradient(circle at 5% 90%, rgba(194,89,46,0.06) 0, transparent 45%);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero .lede { font-size: 1.12rem; max-width: 56ch; }
.hero .cta-row { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; align-items: center; }
.hero .cta-row .signal-trace { max-width: none; flex-basis: 100%; margin-top: 34px; color: var(--terracotta); }

/* =========================================================
   Cards / grids
   ========================================================= */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.venture-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.venture-card:hover { border-color: var(--terracotta); transform: translateY(-2px); }
.venture-card .mark-wrap {
  height: 88px;
  display: flex;
  align-items: center;
}
.venture-card .mark-wrap img { max-height: 100%; width: auto; max-width: 220px; }
.venture-card p { color: var(--ink-soft); font-size: 0.95rem; flex-grow: 1; margin: 0; }
.venture-card .card-cta {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--terracotta-tint);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.venture-card .badge {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
}
.venture-card.coming-soon { opacity: 0.88; }
.venture-card.coming-soon .mark-wrap img { filter: saturate(0.85); }

/* =========================================================
   About page
   ========================================================= */
.bio-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.bio-mark { position: sticky; top: 110px; }
.bio-mark img {
  width: 100%;
  max-width: 260px;
  margin: 0 auto;
  border-radius: 50%;
  box-shadow: var(--shadow-soft), 0 0 0 1px var(--border);
  border: 6px solid var(--surface);
}

.values-list { display: grid; gap: 20px; margin-top: 8px; }
.value-item { display: grid; grid-template-columns: 34px 1fr; gap: 16px; }
.value-item .idx { font-family: var(--font-mono); color: var(--terracotta-tint); font-size: 0.85rem; padding-top: 3px; }
.value-item h4 { margin: 0 0 4px; font-size: 1.02rem; color: var(--ink); }
.value-item p { margin: 0; color: var(--ink-soft); font-size: 0.96rem; }

/* =========================================================
   Contact page
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: start; }

.contact-info-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
}
.contact-info-card h3 { color: var(--white); }
.contact-info-card .info-row {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 0;
  border-top: 1px solid var(--border);
}
.contact-info-card .info-row:first-of-type { border-top: none; padding-top: 6px; }
.contact-info-card .info-row svg { width: 18px; height: 18px; margin-top: 3px; flex: none; color: var(--terracotta-tint); }
.contact-info-card .info-row a, .contact-info-card .info-row span { font-size: 0.95rem; color: var(--ink); }
.contact-info-card .info-row .label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--terracotta-tint);
  margin-bottom: 3px;
}
.contact-info-card .note {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 0.86rem;
  color: var(--ink-faint);
}
.contact-info-card .note a { color: var(--terracotta-tint); text-decoration: underline; }

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 32px;
  box-shadow: var(--shadow-card);
}

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 7px;
}
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  background: var(--void);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(194, 89, 46, 0.18);
}
.field textarea { min-height: 130px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }

.form-status { margin-top: 14px; font-size: 0.92rem; font-family: var(--font-mono); display: none; }
.form-status.show { display: block; }
.form-status.ok { color: #6fbf7f; }
.form-status.err { color: var(--terracotta-tint); }

/* =========================================================
   Footer
   ========================================================= */
footer.site-footer { background: #0f1113; border-top: 1px solid var(--border); padding: 56px 0 28px; }
footer .footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--border);
}
footer img.footer-logo { height: 30px; margin-bottom: 14px; }
footer h4 {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--terracotta-tint);
  margin-bottom: 14px;
}
footer p { color: var(--ink-faint); }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
footer a { color: var(--ink-soft); }
footer a:hover { color: var(--white); }
footer .footer-bottom {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.82rem;
  color: var(--ink-faint);
  flex-wrap: wrap;
}

/* =========================================================
   Utility / responsive
   ========================================================= */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

@media (max-width: 980px) {
  .grid-3, .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .bio-grid, .contact-grid { grid-template-columns: 1fr; }
  .bio-mark { position: static; margin-bottom: 20px; }
  .bio-mark img { width: 180px; }
  footer .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  nav.primary-nav {
    position: fixed;
    top: 79px; right: 0; left: 0;
    background: var(--void);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 26px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
  }
  nav.primary-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-toggle { display: block; }
  .brand-mark img { height: 40px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  .hero { padding: 44px 0 52px; }
  .form-card, .contact-info-card { padding: 26px 22px; }
}