:root {
  --navy-900: #0f1e33;
  --navy-800: #16293f;
  --navy-700: #1d3557;
  --navy-600: #274b73;

  --accent: #2b6cb0;
  --accent-dark: #1f538d;
  --accent-soft: #e8f0f9;
  --gold: #c9a24b;
  --copper: #b07a5a;

  --ink: #16212e;
  --body: #3f4a5a;
  --muted: #6b7688;

  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-deep: var(--navy-800);
  --border: #e4e8ef;
  --border-strong: #cfd6e0;

  --status-available: #1a7f4b;
  --status-demo: #2b6cb0;
  --status-dev: #b8860b;
  --status-eval: #7c5cbf;
  --status-planned: #64748b;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-head: "Segoe UI", Roboto, var(--font-sans);

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.1875rem;
  --fs-lg: 1.5rem;
  --fs-xl: 2rem;
  --fs-2xl: 2.75rem;
  --fs-hero: clamp(2.25rem, 5vw, 3.75rem);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6rem;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(16, 33, 55, 0.06), 0 1px 3px rgba(16, 33, 55, 0.08);
  --shadow: 0 6px 24px rgba(16, 33, 55, 0.08);
  --shadow-lg: 0 18px 48px rgba(16, 33, 55, 0.14);
  --transition: 0.25s ease;
  --maxw: 1200px;
  --header-h: 76px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }
p { margin: 0 0 var(--space-2); }

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dark); }

ul { margin: 0; padding: 0; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--navy-800); color: #fff; padding: 12px 20px;
  border-radius: 0 0 var(--radius-sm) 0; font-weight: 600;
}
.skip-link:focus { left: 0; color: #fff; }

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

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--space-3);
}
.section { padding-block: var(--space-6); }
.section--alt { background: var(--bg-alt); }
.section--tight { padding-block: var(--space-4); }
.section-head { max-width: 720px; margin: 0 auto var(--space-5); text-align: center; }
.section-head .eyebrow { margin-bottom: var(--space-1); }
.section-head p { color: var(--muted); font-size: var(--fs-md); margin: 0; }

.grid { display: grid; gap: var(--space-3); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.lead { font-size: var(--fs-md); color: var(--body); }
.text-muted { color: var(--muted); }
.center { text-align: center; }

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition),
    background var(--transition);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.nav {
  width: 100%; max-width: var(--maxw); margin-inline: auto;
  padding-inline: var(--space-3);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand:hover { color: inherit; }
.brand__mark { width: 40px; height: 40px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-weight: 800; color: var(--navy-800); font-size: 1.15rem; letter-spacing: -0.02em; }
.brand__tag { font-size: 0.68rem; color: var(--muted); letter-spacing: 0.04em; }

.nav__menu { display: flex; align-items: center; gap: var(--space-3); list-style: none; }
.nav__link {
  color: var(--navy-800); font-weight: 600; font-size: 0.98rem;
  padding: 6px 2px; position: relative;
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.nav__item--has-sub > .nav__link .caret { flex: none; }
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -2px;
  height: 2px; background: var(--accent); transition: right var(--transition);
}
.nav__link:hover { color: var(--accent-dark); }
.nav__link:hover::after,
.nav__link.is-active::after { right: 0; }
.nav__link.is-active { color: var(--accent-dark); }

.nav__item--has-sub { position: relative; }
.nav__sub {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px);
  min-width: 230px; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 8px; list-style: none; opacity: 0; visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}
.nav__item--has-sub:hover .nav__sub,
.nav__item--has-sub:focus-within .nav__sub {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.nav__sub a { display: block; padding: 9px 12px; border-radius: var(--radius-sm); color: var(--navy-800); font-weight: 600; font-size: 0.92rem; }
.nav__sub a:hover { background: var(--accent-soft); color: var(--accent-dark); }

.nav__actions { display: flex; align-items: center; gap: var(--space-2); }
.nav__cta { display: none; }

.nav__toggle {
  display: none; background: none; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); width: 44px; height: 44px; cursor: pointer;
  align-items: center; justify-content: center; color: var(--navy-800);
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: currentColor;
  position: relative; transition: transform var(--transition), opacity var(--transition);
}
.nav__toggle span::before { position: absolute; top: -6px; }
.nav__toggle span::after { position: absolute; top: 6px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: rotate(45deg); top: 0; }
.nav__toggle[aria-expanded="true"] span::after { transform: rotate(-45deg); top: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-size: 1rem; font-weight: 700; line-height: 1;
  padding: 14px 26px; border-radius: var(--radius-sm); border: 2px solid transparent;
  cursor: pointer; transition: transform var(--transition), box-shadow var(--transition),
    background var(--transition), color var(--transition), border-color var(--transition);
  text-align: center;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--accent-dark); color: #fff; box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--navy-800); border-color: var(--border-strong); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent-dark); }
.btn--light { background: #fff; color: var(--navy-800); }
.btn--light:hover { background: var(--accent-soft); color: var(--accent-dark); }
.btn--sm { padding: 10px 18px; font-size: 0.9rem; }
.btn--block { width: 100%; }

.hero {
  position: relative; overflow: hidden;
  padding-top: calc(var(--header-h) + var(--space-6));
  padding-bottom: var(--space-6);
  background:
    radial-gradient(1200px 400px at 80% -10%, var(--accent-soft), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%);
}
.hero__inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-5); align-items: center; }
.hero h1 { font-size: var(--fs-hero); margin-bottom: var(--space-2); }
.hero__sub { font-size: var(--fs-md); color: var(--body); max-width: 34ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.hero__art { display: flex; justify-content: center; }

.page-hero {
  padding-top: calc(var(--header-h) + var(--space-5));
  padding-bottom: var(--space-5);
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  color: #fff;
}
.page-hero h1 { color: #fff; font-size: clamp(2rem, 4.5vw, 3rem); }
.page-hero p { color: rgba(255, 255, 255, 0.85); font-size: var(--fs-md); max-width: 60ch; }
.page-hero .eyebrow { color: var(--gold); }

.site-footer { background: var(--navy-900); color: #c3ccd8; padding-block: var(--space-6) var(--space-3); }
.site-footer a { color: #c3ccd8; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-4); }
.footer-brand .brand__name { color: #fff; }
.footer-brand .brand__tag { color: #8b98a9; }
.footer-about { font-size: 0.92rem; color: #9aa6b6; max-width: 34ch; margin-top: var(--space-2); }
.footer-col h4 { color: #fff; font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-2); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.95rem; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1); margin-top: var(--space-5);
  padding-top: var(--space-3); display: flex; flex-wrap: wrap; gap: var(--space-2);
  justify-content: space-between; align-items: center; font-size: 0.85rem; color: #8b98a9;
}
.social { display: flex; gap: 10px; }
.social a {
  width: 38px; height: 38px; border-radius: 50%; display: inline-flex;
  align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.08);
}
.social a:hover { background: var(--accent); }
.social svg { width: 18px; height: 18px; fill: currentColor; }

.hero h1.is-typing,
.page-hero h1.is-typing { min-height: 1em; }
.hero h1.is-typing::after,
.page-hero h1.is-typing::after {
  content: "\258B";
  display: inline-block;
  margin-left: 0.1em;
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent);
  animation: caret-blink 1s steps(2, start) infinite;
}
.page-hero h1.is-typing::after { color: var(--gold); text-shadow: 0 0 10px var(--gold); }
.hero h1 .dud,
.page-hero h1 .dud { color: var(--accent); opacity: 0.7; }
@keyframes caret-blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero h1.is-typing::after,
  .page-hero h1.is-typing::after { animation: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}