/* Superintelligent Silicon — Design System v2
   Calm dark UI · Apple-tier restraint · shared across explore, org, ops */

:root {
  --bg: #050506;
  --bg-elev: #0e0e11;
  --bg-soft: #141418;
  --fg: #f4f4f5;
  --fg-muted: #a1a1aa;
  --fg-soft: #71717a;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.12);
  --accent: #d4c4a8;
  --accent-bright: #e8dcc8;
  --accent-soft: rgba(212, 196, 168, 0.1);
  --accent-glow: rgba(212, 196, 168, 0.18);
  --success: #8fbc8f;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --max: 680px;
  --wide: 1040px;
  --serif: "Instrument Serif", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-soft: 0 1px 0 rgba(255,255,255,0.04) inset, 0 20px 50px -30px rgba(0,0,0,0.8);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(212, 196, 168, 0.07), transparent 55%),
    radial-gradient(800px 400px at 100% 20%, rgba(120, 140, 180, 0.04), transparent 50%),
    var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(212, 196, 168, 0.28);
  color: var(--fg);
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.028;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease), opacity 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

a:hover { color: var(--accent-bright); }

a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ——— Header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.95rem 1.75rem;
  backdrop-filter: saturate(140%) blur(20px);
  -webkit-backdrop-filter: saturate(140%) blur(20px);
  background: rgba(5, 5, 6, 0.65);
  border-bottom: 1px solid var(--line);
}

.mark {
  color: var(--fg);
  font-weight: 560;
  font-size: 0.9rem;
  letter-spacing: -0.02em;
}

.mark:hover { color: var(--fg); opacity: 0.85; }

.site-header nav {
  display: flex;
  gap: 0.15rem;
  flex-wrap: wrap;
  align-items: center;
}

.site-header nav a {
  color: var(--fg-muted);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-pill);
}

.site-header nav a:hover,
.site-header nav a[aria-current="page"] {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.04);
}

/* ——— Layout ——— */
main {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1.75rem 6rem;
  position: relative;
  z-index: 1;
}

/* ——— Hero ——— */
.hero {
  padding: 6.5rem 0 4.5rem;
  max-width: var(--max);
  animation: rise 0.9s var(--ease) both;
}

.eyebrow {
  margin: 0 0 1.35rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 1.6rem;
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 4.75rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 400;
}

.lede {
  margin: 0 0 2.25rem;
  color: var(--fg-muted);
  font-size: 1.125rem;
  line-height: 1.7;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.78rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 520;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn.primary {
  background: var(--fg);
  color: var(--bg);
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset;
}

.btn.primary:hover {
  background: #fff;
  color: var(--bg);
  transform: translateY(-1px);
}

.btn.ghost {
  border-color: var(--line-strong);
  color: var(--fg-muted);
  background: rgba(255, 255, 255, 0.02);
}

.btn.ghost:hover {
  color: var(--fg);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
}

/* ——— Panels ——— */
.panel {
  padding: 3.75rem 0;
  border-top: 1px solid var(--line);
  max-width: var(--max);
  animation: rise 0.8s var(--ease) both;
  animation-delay: 0.08s;
}

.panel-label {
  margin-bottom: 1.1rem;
  color: var(--fg-soft);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel h2 {
  margin: 0 0 1.35rem;
  font-family: var(--serif);
  font-size: clamp(1.85rem, 4.2vw, 2.45rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

.grid.two {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 720px) {
  .grid.two {
    grid-template-columns: 1fr 1fr;
    gap: 2.25rem;
  }
}

.grid.two p,
.panel > p {
  margin: 0;
  color: var(--fg-muted);
}

/* ——— Steps / cards ——— */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.steps li {
  display: grid;
  grid-template-columns: 6.75rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.05rem 1.2rem;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.steps li:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.step-n {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.step-t { color: var(--fg-muted); }

.aside {
  margin: 1.4rem 0 0;
  color: var(--fg-soft);
  font-size: 0.95rem;
}

.aside a { font-weight: 500; }

/* ——— Ship list ——— */
.ship-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.ship-list li {
  display: grid;
  gap: 0.3rem;
  padding: 1.2rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(165deg, var(--accent-soft), transparent 55%),
    var(--bg-elev);
  box-shadow: var(--shadow-soft);
}

.ship-list strong {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.ship-list span { color: var(--fg-muted); }

/* ——— Lab tease ——— */
.lab-tease {
  display: grid;
  gap: 0.85rem;
  padding: 1.4rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
}

.lab-tease::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: 0.7;
}

.lab-tease .badge {
  display: inline-flex;
  align-self: start;
  padding: 0.28rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--accent-soft);
}

.lab-tease p {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.98rem;
}

.lab-tease strong {
  color: var(--fg);
  font-weight: 560;
}

/* ——— Closing / footer ——— */
.closing h2 { margin-bottom: 0.9rem; }

.site-footer {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 1.6rem 1.75rem 2.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  color: var(--fg-soft);
  font-size: 0.84rem;
  position: relative;
  z-index: 1;
}

.site-footer a { color: var(--fg-soft); }
.site-footer a:hover { color: var(--fg); }

/* ——— Shipping page ——— */
.ship-page {
  max-width: var(--max);
  padding: 3.5rem 0 5rem;
  animation: rise 0.85s var(--ease) both;
}

.ship-page h1 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5.5vw, 3.25rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin: 0 0 1.1rem;
}

.ship-page .intro {
  color: var(--fg-muted);
  margin: 0 0 2.75rem;
  font-size: 1.08rem;
  max-width: 32rem;
}

.ship-page .intro em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
}

.ship-block {
  margin: 0 0 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.ship-block h2 {
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 400;
  margin: 0 0 1.1rem;
  letter-spacing: -0.02em;
}

.ship-block ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.ship-block li {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  box-shadow: var(--shadow-soft);
  transition: border-color 0.25s var(--ease);
}

.ship-block li:hover { border-color: var(--line-strong); }

.ship-block li strong {
  display: block;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

.ship-block li span { color: var(--fg-muted); display: block; }

.back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.75rem;
  color: var(--fg-muted);
  font-size: 0.88rem;
  font-weight: 500;
}

.back:hover { color: var(--fg); }

/* ——— Org landing (standalone) ——— */
.org-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 6rem 1.75rem 4rem;
  position: relative;
  z-index: 1;
  animation: rise 0.9s var(--ease) both;
}

.org-main h1 {
  margin: 0 0 1.5rem;
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.org-main h1 em {
  font-style: italic;
  color: var(--accent);
}

.org-main .lede {
  margin-bottom: 2.5rem;
}

.facts {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.facts li {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  box-shadow: var(--shadow-soft);
}

.facts li span {
  color: var(--fg-soft);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.facts li a {
  color: var(--fg-muted);
  font-size: 0.95rem;
  word-break: break-word;
}

.facts li a:hover { color: var(--accent-bright); }

.note {
  color: var(--fg-soft);
  font-size: 0.92rem;
  margin: 0 0 2rem;
}

.org-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.75rem 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--fg-soft);
  font-size: 0.84rem;
  position: relative;
  z-index: 1;
}

/* ——— Motion ——— */
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ——— Responsive ——— */
@media (max-width: 720px) {
  .site-header { padding: 0.85rem 1.15rem; }
  main { padding: 0 1.15rem 4.5rem; }
  .hero { padding: 4rem 0 3rem; }
  .site-header nav { display: none; }
  .steps li {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
  .facts li {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
  .org-main { padding: 4rem 1.15rem 3rem; }
  .site-footer { padding: 1.4rem 1.15rem 2rem; }
}