/* ==========================================================================
   Singularity — tokens
   ========================================================================== */

:root {
  --bg:            #131313;   /* page background — near-black */
  --heading:       #ece9e4;   /* cream display type */
  --muted:         #9aa1ac;   /* secondary body copy */
  --muted-soft:    #979797;   /* italic notes */
  --nav-text:      #a6a6a6;   /* nav links */
  --card:          #1b1b1b;   /* standard dark card surfaces */
  --card-alt:      #2b2b2b;   /* lighter charcoal (de-emphasized card) */
  --card-highlight:#223131;   /* dark teal highlighted card */
  --divider:       rgba(255, 255, 255, 0.08);
  --accent:        #e0925a;   /* primary orange accent */
  --accent-bright: #ff9933;   /* logo dot / bright highlights */
  --accent-amber:  #c77d42;   /* eyebrow labels */
  --tan:           #c4b79d;   /* investor logo card */

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --container: 1180px;
  --gutter: clamp(1.5rem, 5vw, 4rem);
  --radius: 18px;
}

/* ==========================================================================
   Reset
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--heading);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--heading);
  color: var(--bg);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  z-index: 1000;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 1rem;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

.header-inner,
.hero-inner,
.section,
.footer-inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-amber);
  margin-bottom: 1.25rem;
}
.eyebrow-rule {
  width: 22px;
  height: 1px;
  background: var(--accent-amber);
  flex-shrink: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(19, 19, 19, 0.9);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--divider);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.logo-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-bright);
  flex-shrink: 0;
}
.logo-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  color: var(--heading);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.4rem);
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.primary-nav a {
  color: var(--nav-text);
  padding: 0.4rem 0;
  position: relative;
  transition: color 0.15s ease;
}
.primary-nav a:hover { color: var(--heading); }

.primary-nav a[aria-current="true"] {
  color: var(--heading);
}
.primary-nav a[aria-current="true"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: -3px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-cta { margin-left: auto; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: var(--heading);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(2rem, 5vw, 3rem);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr);
  gap: clamp(2rem, 5vw, 3rem);
  align-items: center;
  max-width: 1320px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1.08;
  color: var(--heading);
  letter-spacing: -0.01em;
  margin-bottom: 1.6rem;
}
.hero-title em {
  font-style: normal;
  color: var(--accent);
}

.see-link {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: #2a2a2a;
  margin-bottom: 2rem;
  transition: color 0.15s ease;
}
.see-link:hover,
.see-link:focus-visible {
  color: var(--muted);
}

.hero-paragraph {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 34ch;
}

.hero-chart {
  width: 100%;
}
.hero-chart img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* ==========================================================================
   Sections / blocks
   ========================================================================== */

.section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-top: 1px solid var(--divider);
}
.section--tight { padding-block: clamp(2.5rem, 6vw, 4rem); }

.block + .block {
  margin-top: clamp(3rem, 7vw, 5.5rem);
  padding-top: clamp(3rem, 7vw, 5.5rem);
  border-top: 1px solid var(--divider);
}

.block-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.4vw, 2.5rem);
  line-height: 1.16;
  color: var(--heading);
  max-width: 26ch;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.block-lead {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
  max-width: 62ch;
}
.block-lead--lg {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 58ch;
  margin-bottom: 1rem;
}

.note {
  margin-top: 1.5rem;
  font-size: 0.92rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--muted-soft);
  max-width: 62ch;
}

.text-link {
  color: var(--heading);
  font-weight: 600;
}
.text-link:hover { color: var(--accent); }

.text-link--underline {
  color: #b9c4c4;
  font-weight: 400;
  border-bottom: 1px solid currentColor;
}
.text-link--underline:hover { color: var(--accent); }

/* ==========================================================================
   Stat row
   ========================================================================== */

.stat-row {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
}

.stat {
  background: var(--card);
  padding: clamp(1.6rem, 3vw, 2.25rem);
}

.stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  color: var(--accent);
  margin-bottom: 0.6rem;
  line-height: 1.15;
}
.stat-value--sm { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }

.stat-label {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--muted);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card-pair {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: clamp(1.75rem, 3vw, 2.5rem);
}

.card-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-bright);
  margin-bottom: 0.75rem;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--heading);
  margin-bottom: 1rem;
}
.card-title--mono {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
}

.card-text {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
}
.card-text + .card-text {
  margin-top: 0.85rem;
}

.card-list {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.card-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--heading);
}
.card-list li::before {
  content: "\2022";
  position: absolute;
  left: 0;
  color: var(--muted);
}

/* ==========================================================================
   Leadership / Advisors
   ========================================================================== */

.person-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--heading);
  margin-bottom: 0.3rem;
}
.person-name--mono {
  font-family: var(--font-mono);
}

.person-role {
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.person-role--muted {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
}
.person-role--nowrap {
  font-size: 0.78rem;
  letter-spacing: -0.01em;
}
@media (min-width: 660px) {
  .person-role--nowrap { white-space: nowrap; }
}

.card-text em, .block-lead em { color: var(--heading); font-style: italic; }
.hl { color: var(--heading); }

/* ==========================================================================
   Comparison table
   ========================================================================== */

.compare {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.compare-head {
  border-radius: var(--radius);
  padding: clamp(1.5rem, 2.6vw, 2rem) clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 6px;
  background: var(--card-alt);
}
.compare-head--highlight {
  background: var(--card-highlight);
}

.compare-body {
  border-radius: var(--radius);
  padding: clamp(1.5rem, 2.6vw, 2rem) clamp(1.75rem, 3vw, 2.5rem);
  background: var(--card);
}

.compare-kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 1.1rem;
}
.compare-kicker--accent { color: var(--accent); }

.compare-shift {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--heading);
  margin-bottom: 0.4rem;
}

.arrow { color: var(--muted); padding-inline: 0.15em; }
.arrow--accent { color: var(--accent); }

.compare-shift-sub {
  font-size: 0.92rem;
  color: var(--muted);
}
.compare-shift-sub--accent { color: var(--accent); }

.compare-body .card-list { margin-top: 0; gap: 1rem; }
.compare-body .card-list li { color: var(--heading); padding-left: 0; }
.compare-body .card-list li::before { content: none; }

/* ==========================================================================
   Investor strip
   ========================================================================== */

.investor-card {
  margin-top: 2.5rem;
  background: var(--tan);
  border-radius: var(--radius);
  padding: clamp(2rem, 4vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(2rem, 6vw, 4.5rem);
}
.investor-card img {
  height: 34px;
  width: auto;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--divider);
  padding-block: 2.5rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
}
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  margin-right: auto;
}
.site-footer .text-link--underline { font-size: 0.9rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 880px) {
  .nav-toggle { display: flex; }

  .primary-nav {
    position: fixed;
    inset: 76px 0 0 0;
    height: calc(100vh - 76px);
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem var(--gutter);
    gap: 1.5rem;
    font-size: 1.25rem;
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }
  .primary-nav.is-open {
    transform: translateX(0);
  }
  .nav-cta { margin-left: 0; }

  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-chart { order: -1; }
  .hero-paragraph { max-width: none; }

  .stat-row {
    grid-template-columns: 1fr;
  }
  .card-pair, .compare {
    grid-template-columns: 1fr;
  }
  .person-grid { grid-template-columns: 1fr; }
  .person + .person {
    border-left: none;
    border-top: 1px solid var(--divider);
  }
}

@media (max-width: 560px) {
  .header-inner { height: 68px; }
  .primary-nav { inset: 68px 0 0 0; height: calc(100vh - 68px); }
  .logo-word { font-size: 0.95rem; }
}