:root {
  color-scheme: dark;
  --ink: #020914;
  --ink-2: #061629;
  --panel: #081a30;
  --text: #f6f9fd;
  --muted: #a8b7c9;
  --blue: #249dff;
  --cyan: #58ddff;
  --gold: #d9b46d;
  --line: rgba(93, 174, 240, .22);
  --line-strong: rgba(71, 182, 255, .55);
  --shadow: 0 24px 80px rgba(0, 0, 0, .42);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; background: var(--cyan); color: #00111f; font-weight: 800; }
.skip-link:focus { top: 1rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 78px;
  padding: .9rem clamp(1rem, 4vw, 4.5rem);
  background: rgba(2, 9, 20, .88);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: .75rem; font-family: "Space Grotesk", sans-serif; font-size: 1.2rem; font-weight: 700; letter-spacing: -.02em; }
.brand > span:last-child > span { color: var(--blue); }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.35rem;
  aspect-ratio: 1;
  color: #00101f;
  background: linear-gradient(145deg, var(--cyan), #1578ff);
  clip-path: polygon(50% 0, 100% 100%, 74% 100%, 63% 73%, 37% 73%, 26% 100%, 0 100%);
  font-size: 0;
}
.brand-mark::before { content: ""; width: 28%; height: 9%; background: #00101f; transform: translateY(45%); }
.nav { display: flex; align-items: center; gap: 1.4rem; }
.nav a { color: var(--muted); font-size: .82rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; transition: color .2s ease; }
.nav a:hover, .nav a:focus-visible { color: var(--cyan); }
.nav-toggle { display: none; border: 1px solid var(--line); background: transparent; color: var(--text); padding: .6rem .8rem; border-radius: 8px; }

.hero { background: #010713; }
.hero img { width: 100%; height: auto; }

.network-intro, .section, .company-section { padding: clamp(5rem, 9vw, 9rem) clamp(1.2rem, 5vw, 5.5rem); }
.network-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
  background:
    radial-gradient(circle at 12% 10%, rgba(27, 143, 255, .18), transparent 30%),
    linear-gradient(180deg, #020914, #061427);
}
.eyebrow { margin: 0 0 1rem; color: var(--cyan); font-size: .8rem; font-weight: 800; letter-spacing: .19em; text-transform: uppercase; }
h2, h3, p { margin-top: 0; }
h2, h3 { font-family: "Space Grotesk", Inter, sans-serif; line-height: 1.08; }
h2 { margin-bottom: 1.35rem; font-size: clamp(2.55rem, 5vw, 5.2rem); letter-spacing: -.045em; }
h2 span { color: var(--blue); }
h3 { margin-bottom: .85rem; font-size: clamp(1.35rem, 2.1vw, 2rem); letter-spacing: -.025em; }
.lead { color: #dce7f3; font-size: clamp(1.15rem, 2vw, 1.45rem); line-height: 1.55; }
.network-copy > p:last-child { color: var(--muted); max-width: 720px; }
.big-idea { position: relative; padding: clamp(2rem, 4vw, 3.5rem); background: linear-gradient(145deg, rgba(24, 107, 181, .27), rgba(7, 25, 46, .9)); border: 1px solid var(--line-strong); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.big-idea::after { content: ""; position: absolute; inset: auto -30% -55% 25%; aspect-ratio: 1; border: 1px solid rgba(86,221,255,.22); border-radius: 50%; }
.big-idea h3 { font-size: clamp(1.8rem, 3vw, 3rem); }
.big-idea p:last-child { position: relative; z-index: 1; color: var(--muted); }
.idea-number { position: absolute; top: 1.2rem; right: 1.5rem; color: rgba(255,255,255,.12); font: 700 5rem/1 "Space Grotesk", sans-serif; }

.connection-band { display: grid; grid-template-columns: 1fr auto 1.15fr auto 1fr; align-items: center; gap: clamp(1rem, 3vw, 3rem); padding: 2rem clamp(1.2rem, 5vw, 5.5rem); background: #0a1c32; border-block: 1px solid var(--line); text-align: center; }
.connection-band div { display: grid; gap: .2rem; }
.connection-band strong { color: var(--text); font-size: clamp(1rem, 1.7vw, 1.35rem); }
.connection-band span { color: var(--muted); font-size: .82rem; }
.connection-band i { color: var(--blue); font-size: 1.6rem; font-style: normal; }
.connection-core { padding: 1rem; background: rgba(36,157,255,.12); border: 1px solid var(--line-strong); border-radius: 14px; }
.connection-core strong { color: var(--cyan); }

.section { background: var(--ink); }
.section-heading { max-width: 930px; margin-bottom: 3rem; }
.section-heading > p:last-child { color: var(--muted); font-size: 1.08rem; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.missions { background: radial-gradient(circle at 90% 20%, rgba(36,157,255,.11), transparent 30%), #020914; }
.mission-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.mission-card { position: relative; min-height: 340px; display: flex; flex-direction: column; padding: 2rem; background: rgba(7,24,44,.82); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; transition: transform .25s ease, border-color .25s ease; }
.mission-card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.mission-card.featured { background: linear-gradient(145deg, rgba(19, 92, 162, .35), rgba(7,24,44,.92)); }
.mission-card p:not(.card-label) { color: var(--muted); }
.card-index { position: absolute; top: 1rem; right: 1.25rem; color: rgba(255,255,255,.09); font: 700 4.5rem/1 "Space Grotesk", sans-serif; }
.card-label { color: var(--gold); font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.mission-card a { width: fit-content; margin-top: auto; color: var(--cyan); font-size: .84rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.mission-card a span { margin-left: .35rem; }

.ask-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(2rem, 7vw, 7rem); align-items: center; background: linear-gradient(120deg, #07192d, #020914 62%); border-block: 1px solid rgba(255,255,255,.07); }
.ask-copy > p:not(.eyebrow) { color: var(--muted); }
.trust-row { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 2rem; }
.trust-row span { padding: .55rem .8rem; color: #cfe9ff; background: rgba(36,157,255,.1); border: 1px solid var(--line); border-radius: 999px; font-size: .78rem; font-weight: 700; }
.ask-console { padding: clamp(1.3rem, 3vw, 2.4rem); background: rgba(4,15,29,.94); border: 1px solid var(--line-strong); border-radius: var(--radius); box-shadow: 0 30px 100px rgba(0,0,0,.55), 0 0 50px rgba(36,157,255,.08); }
.console-top { display: flex; align-items: center; gap: .6rem; padding-bottom: 1.1rem; color: var(--muted); border-bottom: 1px solid rgba(255,255,255,.08); font-size: .83rem; letter-spacing: .06em; text-transform: uppercase; }
.pulse { width: .65rem; aspect-ratio: 1; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 18px var(--cyan); }
.console-prompt { margin: 1.6rem 0; color: var(--text); font: 600 clamp(1.4rem, 2.6vw, 2.2rem)/1.25 "Space Grotesk", sans-serif; }
.intent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.intent-grid button { min-height: 56px; padding: .85rem 1rem; color: #c7d6e6; background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1); border-radius: 12px; cursor: pointer; text-align: left; transition: .2s ease; }
.intent-grid button:hover, .intent-grid button:focus-visible, .intent-grid button.active { color: var(--text); background: rgba(36,157,255,.16); border-color: var(--blue); }
.console-answer { display: grid; grid-template-columns: 42px 1fr; gap: 1rem; align-items: start; min-height: 96px; margin-top: 1rem; padding: 1.2rem; background: linear-gradient(120deg, rgba(36,157,255,.13), rgba(255,255,255,.03)); border-radius: 14px; }
.console-answer span { display: grid; place-items: center; width: 42px; aspect-ratio: 1; color: #00101f; background: linear-gradient(145deg, var(--cyan), var(--blue)); border-radius: 50%; font-weight: 900; }
.console-answer p { margin: 0; color: #dcecff; }

.method-section { background: #030b17; }
.method-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin: 0; padding: 0; list-style: none; counter-reset: none; }
.method-grid li { padding: 1.6rem; border-top: 2px solid var(--blue); background: linear-gradient(180deg, rgba(36,157,255,.09), transparent); }
.method-grid li > span { display: block; margin-bottom: 2.8rem; color: var(--blue); font-size: .78rem; font-weight: 900; letter-spacing: .15em; }
.method-grid p { margin-bottom: 0; color: var(--muted); }

.company-section { display: grid; grid-template-columns: minmax(180px, .45fr) 1.55fr; gap: clamp(2rem, 7vw, 7rem); align-items: center; background: radial-gradient(circle at 17% 50%, rgba(36,157,255,.25), transparent 22%), #07172a; border-block: 1px solid var(--line); }
.company-mark { justify-self: center; display: grid; place-items: center; width: min(230px, 70vw); aspect-ratio: 1; color: transparent; border: 1px solid var(--line-strong); border-radius: 50%; box-shadow: inset 0 0 50px rgba(36,157,255,.14), 0 0 70px rgba(36,157,255,.08); }
.company-mark::before { content: "A"; color: var(--blue); font: 700 clamp(7rem, 14vw, 11rem)/1 "Space Grotesk", sans-serif; text-shadow: 0 0 35px rgba(36,157,255,.45); }
.company-section > div:last-child { max-width: 970px; }
.company-section .lead { color: var(--muted); }
.company-close { margin: 2rem 0 0; color: var(--gold); font-size: 1.2rem; font-weight: 800; }

.final-cta { padding: clamp(6rem, 11vw, 11rem) 1.2rem; background: radial-gradient(circle at 50% 40%, rgba(36,157,255,.2), transparent 30%), #010711; text-align: center; }
.final-cta h2 { max-width: 900px; margin-inline: auto; }
.final-cta > p:not(.eyebrow) { margin-bottom: 2rem; color: var(--cyan); font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 700; }
.button { display: inline-flex; align-items: center; gap: .6rem; padding: 1rem 1.35rem; color: #00101f; background: linear-gradient(135deg, var(--cyan), var(--blue)); border: 0; border-radius: 999px; font-size: .84rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; box-shadow: 0 14px 35px rgba(21,120,255,.26); }
.site-footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 2rem; padding: 2rem clamp(1.2rem, 5vw, 5.5rem); color: var(--muted); background: #01050b; border-top: 1px solid rgba(255,255,255,.08); font-size: .84rem; }
.site-footer p { margin: 0; }
.site-footer strong { color: var(--text); }

@media (max-width: 980px) {
  .mission-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ask-section { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .connection-band { grid-template-columns: 1fr; }
  .connection-band i { transform: rotate(90deg); }
  .site-footer { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .site-header { min-height: 68px; }
  .nav-toggle { display: inline-flex; }
  .nav { position: absolute; inset: 68px 0 auto; display: none; flex-direction: column; align-items: stretch; padding: 1rem 1.2rem 1.4rem; background: rgba(2,9,20,.98); border-bottom: 1px solid var(--line); }
  .nav.open { display: flex; }
  .nav a { padding: .55rem 0; }
  .hero { overflow: hidden; }
  .hero img { width: 155%; max-width: none; transform: translateX(-2%); }
  .network-intro, .company-section { grid-template-columns: 1fr; }
  .company-mark { width: 170px; }
  .mission-grid, .method-grid { grid-template-columns: 1fr; }
  .mission-card { min-height: 290px; }
  .intent-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* Alexandria at work: full-width demonstration image and network introduction. */
.alexandria-at-work { background: linear-gradient(180deg, var(--ink), var(--ink-2)); }
.alexandria-at-work .eyebrow { color: var(--gold); }
.at-work-image { width: 100%; height: auto; border-radius: var(--radius); border: 1px solid rgba(217, 180, 109, .3); box-shadow: 0 18px 45px rgba(36, 157, 255, .13), 0 5px 24px rgba(217, 180, 109, .1); }
.at-work-copy { margin-top: clamp(1.8rem, 3vw, 3rem); max-width: 1100px; }
.at-work-copy p { color: var(--muted); font-size: 1.08rem; }
.at-work-copy .button { margin-top: .75rem; text-align: center; justify-content: center; }
.at-work-copy .button:focus-visible { outline: 2px solid var(--gold); outline-offset: 5px; }