/* LaunchVault 1.0.0 — shared foundation */
:root {
  --lv-bg: #0b0d12;
  --lv-surface: #121620;
  --lv-text: #f5f7fb;
  --lv-muted: #a7afbf;
  --lv-line: rgba(255,255,255,.14);
  --lv-primary: #7c9cff;
  --lv-secondary: #7fffd4;
  --lv-danger: #ff7c85;
  --lv-success: #70df9d;
  --lv-radius-sm: .625rem;
  --lv-radius-md: 1rem;
  --lv-radius-lg: 1.75rem;
  --lv-radius-pill: 999px;
  --lv-shadow-sm: 0 10px 30px rgba(0,0,0,.12);
  --lv-shadow-lg: 0 24px 80px rgba(0,0,0,.24);
  --lv-space-1: .25rem;
  --lv-space-2: .5rem;
  --lv-space-3: .75rem;
  --lv-space-4: 1rem;
  --lv-space-5: 1.5rem;
  --lv-space-6: 2rem;
  --lv-space-7: 3rem;
  --lv-space-8: 4rem;
  --lv-space-9: 6rem;
  --lv-container: 1200px;
  --lv-fast: 180ms;
  --lv-normal: 420ms;
  --lv-slow: 800ms;
  --lv-ease: cubic-bezier(.22,1,.36,1);
  --lv-font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --lv-font-serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--lv-bg);
  color: var(--lv-text);
  font-family: var(--lv-font-sans);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video, canvas { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, h4 { margin-top: 0; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--lv-primary) 72%, white); outline-offset: 4px; }
::selection { background: color-mix(in srgb, var(--lv-primary) 70%, transparent); color: white; }

.skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 9999;
  transform: translateY(-160%);
  padding: .75rem 1rem;
  border-radius: var(--lv-radius-sm);
  background: var(--lv-text);
  color: var(--lv-bg);
  transition: transform var(--lv-fast) var(--lv-ease);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 2rem), var(--lv-container)); margin-inline: auto; }
.section { position: relative; padding: clamp(4.5rem, 10vw, 8rem) 0; }
.eyebrow { margin-bottom: 1rem; font-size: .75rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--lv-primary); }
.display { font-size: clamp(3rem, 9vw, 8rem); line-height: .92; letter-spacing: -.055em; }
.h2 { font-size: clamp(2rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -.04em; }
.lead { max-width: 62ch; font-size: clamp(1.05rem, 2vw, 1.35rem); color: var(--lv-muted); }
.muted { color: var(--lv-muted); }
.sr-only { position: absolute!important; width: 1px!important; height: 1px!important; padding: 0!important; margin: -1px!important; overflow: hidden!important; clip: rect(0,0,0,0)!important; white-space: nowrap!important; border: 0!important; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity var(--lv-slow) var(--lv-ease), transform var(--lv-slow) var(--lv-ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: 100ms; }
[data-reveal-delay="2"] { transition-delay: 180ms; }
[data-reveal-delay="3"] { transition-delay: 260ms; }
[data-reveal-delay="4"] { transition-delay: 340ms; }

.lv-loader {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: grid;
  place-items: center;
  background: var(--lv-bg);
  transition: opacity 360ms ease, visibility 360ms ease;
}
.lv-loader::before {
  content: "";
  width: 46px;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid var(--lv-line);
  border-top-color: var(--lv-primary);
  animation: lv-spin .75s linear infinite;
}
.lv-loader.is-hidden { opacity: 0; visibility: hidden; }
@keyframes lv-spin { to { transform: rotate(1turn); } }

.site-header {
  position: relative;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 80px;
}
.brand { display: inline-flex; align-items: center; gap: .75rem; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 34px; aspect-ratio: 1; border: 1px solid currentColor; border-radius: 50%; }
.nav { display: flex; align-items: center; gap: 1.25rem; }
.nav a { font-size: .9rem; color: var(--lv-muted); transition: color var(--lv-fast); }
.nav a:hover { color: var(--lv-text); }
.nav-toggle { display: none; min-width: 44px; min-height: 44px; border: 1px solid var(--lv-line); border-radius: 50%; background: transparent; }

.site-footer { border-top: 1px solid var(--lv-line); padding: 2rem 0; color: var(--lv-muted); }
.footer-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }

.page-paused *, .page-paused *::before, .page-paused *::after { animation-play-state: paused!important; }

@media (max-width: 760px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .nav {
    position: absolute;
    top: calc(100% + .5rem);
    right: 0;
    display: none;
    min-width: min(18rem, calc(100vw - 2rem));
    padding: 1rem;
    border: 1px solid var(--lv-line);
    border-radius: var(--lv-radius-md);
    background: color-mix(in srgb, var(--lv-bg) 92%, transparent);
    box-shadow: var(--lv-shadow-lg);
    backdrop-filter: blur(18px);
  }
  .nav.is-open { display: grid; }
  .nav a { min-height: 44px; display: flex; align-items: center; }
  .section { padding: 4rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms!important; animation-iteration-count: 1!important; transition-duration: .001ms!important; }
  [data-reveal] { opacity: 1; transform: none; }
}