/* BlackBarn Labs — military / field-systems */

:root {
  --bg: #050309;
  --bg-2: #0a0712;
  --line: rgba(196, 140, 255, 0.22);
  --line-strong: rgba(216, 180, 254, 0.4);
  --text: #f4f1fa;
  --muted: #9a90ae;
  --dim: #6b6478;
  --violet: #c026ff;
  --violet-2: #e879f9;
  --violet-dim: rgba(192, 38, 255, 0.14);
  --font: "Barlow Condensed", "Arial Narrow", sans-serif;
  --mono: "Share Tech Mono", "SFMono-Regular", Menlo, monospace;
  --nav: 3.75rem;
  --max: 1080px;
  --gutter: clamp(1.1rem, 4vw, 2.25rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

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

html, body {
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: var(--mono);
  font-size: 0.95rem;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul, ol { list-style: none; }

::selection { background: var(--violet); color: #050309; }
:focus-visible { outline: 1px solid var(--violet); outline-offset: 3px; }

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

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  padding: 0.5rem 0.8rem; background: var(--violet); color: var(--bg);
  font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase;
}
.skip:focus { top: 1rem; }

.wrap {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: calc(var(--nav) + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
  display: flex; align-items: center;
  border-bottom: 1px solid transparent;
  background: linear-gradient(to bottom, rgba(5,3,9,0.92), rgba(5,3,9,0.55) 70%, transparent);
}
.site-header.is-scrolled {
  background: rgba(5, 3, 9, 0.92);
  border-bottom-color: var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin-inline: auto; gap: 1.25rem;
}

.brand { display: inline-flex; align-items: center; gap: 0.7rem; min-height: 44px; }
.brand img {
  width: 32px; height: 32px; object-fit: cover;
  border: 1px solid var(--line);
}
.brand-name {
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.brand-name em { font-style: normal; color: var(--violet-2); letter-spacing: 0.36em; }

.nav-links { display: flex; align-items: center; gap: 1.75rem; }
.nav-links a {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line-strong);
  color: var(--violet-2) !important;
}
.nav-cta:hover { background: var(--violet-dim); }

.menu-toggle { display: none; width: 44px; height: 44px; place-items: center; z-index: 60; }
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block; width: 16px; height: 1.5px; background: var(--text); position: relative;
}
.menu-toggle span::before,
.menu-toggle span::after { content: ""; position: absolute; left: 0; }
.menu-toggle span::before { top: -5px; }
.menu-toggle span::after { top: 5px; }
body.nav-open .menu-toggle span { background: transparent; }
body.nav-open .menu-toggle span::before { top: 0; transform: rotate(45deg); }
body.nav-open .menu-toggle span::after { top: 0; transform: rotate(-45deg); }

/* Hero — the poster IS the brand */
.hero {
  min-height: calc(100svh - var(--nav));
  display: grid;
  place-items: center;
  padding: 1.25rem var(--gutter) 2.5rem;
}

.hero-stage {
  position: relative;
  width: min(520px, 100%);
  padding: 14px;
}

.poster {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  box-shadow: 0 0 80px rgba(138, 43, 226, 0.18);
}

.tick {
  position: absolute;
  width: 18px; height: 18px;
  border-color: var(--violet-2);
  border-style: solid;
  pointer-events: none;
}
.tick-tl { top: 0; left: 0; border-width: 2px 0 0 2px; }
.tick-tr { top: 0; right: 0; border-width: 2px 2px 0 0; }
.tick-bl { bottom: 0; left: 0; border-width: 0 0 2px 2px; }
.tick-br { bottom: 0; right: 0; border-width: 0 2px 2px 0; }

.hero-hud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-top: 0.9rem;
}
.hero-hud p {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 0.5rem 1rem;
  border: 1px solid var(--violet);
  background: var(--violet);
  color: #120414;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover { background: var(--violet-2); border-color: var(--violet-2); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--violet); color: var(--violet-2); }

/* Sections */
section { padding: 4.25rem 0; scroll-margin-top: calc(var(--nav) + 0.75rem); }
#systems { border-block: 1px solid var(--line); background: var(--bg-2); }

.sec-head {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  align-items: start;
  margin-bottom: 2.25rem;
}
.idx {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--violet-2);
  padding-top: 0.35rem;
}
.idx-label {
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.35rem;
}
.sec-head h2 {
  font-family: var(--font);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.1;
}

.overview {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1.75rem, 5vw, 3.5rem);
}

.prose p { color: var(--muted); }
.prose p + p { margin-top: 1rem; }

.spec-list { border-top: 1px solid var(--line); }
.spec-list div {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 0.85rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}
.spec-list dt { color: var(--violet-2); font-size: 0.68rem; letter-spacing: 0.12em; padding-top: 0.2rem; }
.spec-list dd { color: var(--text); font-size: 0.9rem; }

.capability { border-top: 1px solid var(--line); }
.capability li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}
.capability .n { color: var(--violet-2); font-size: 0.68rem; letter-spacing: 0.14em; padding-top: 0.3rem; }
.capability h3 {
  font-family: var(--font);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.capability p { color: var(--muted); max-width: 62ch; }
.tags {
  display: inline-block;
  margin-top: 0.55rem;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--dim);
}

.status {
  margin-top: 1.5rem;
  padding: 1rem 0 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.25rem;
  align-items: baseline;
  color: var(--muted);
  font-size: 0.9rem;
}
.status span {
  color: var(--violet-2);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
}

.contact-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: end;
}
.email {
  display: inline-block;
  font-family: var(--font);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid transparent;
}
.email:hover { color: var(--violet-2); border-bottom-color: var(--violet-2); }
.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.copy-status {
  min-height: 1.2em;
  margin-top: 0.7rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--violet-2);
}
.meta { display: flex; flex-direction: column; gap: 0.85rem; text-align: right; }
.meta dt { font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim); }
.meta dd { letter-spacing: 0.06em; }

.site-footer {
  padding: 1.4rem 0 1.8rem;
  border-top: 1px solid var(--line);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  align-items: baseline;
}
.site-footer a:hover { color: var(--violet-2); }
.footer-note { letter-spacing: 0.2em; }

/* Rosie */
.rosie-launcher {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 80;
  display: inline-flex; align-items: center; gap: 0.65rem;
  min-height: 48px; padding: 0.4rem 0.9rem 0.4rem 0.4rem;
  background: #0a0712;
  border: 1px solid var(--line-strong);
  box-shadow: 0 10px 32px rgba(0,0,0,0.5);
  font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase;
}
.rosie-launcher img { width: 32px; height: 32px; object-fit: cover; border: 1px solid var(--line); }
.rosie-launcher:hover { border-color: var(--violet); color: var(--violet-2); }

.rosie-panel {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 90;
  width: min(380px, calc(100vw - 1.5rem));
  height: min(520px, calc(100svh - 2rem));
  background: #0a0712;
  border: 1px solid var(--line-strong);
  display: none; flex-direction: column; overflow: hidden;
}
.rosie-panel.is-open { display: flex; }
.rosie-panel-head {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--line);
}
.rosie-panel-head img { width: 36px; height: 36px; object-fit: cover; border: 1px solid var(--line); }
.rosie-panel-head h2 {
  font-family: var(--font); font-size: 1rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
}
.rosie-status { font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--violet-2); }
.rosie-status.is-offline { color: var(--dim); }
.rosie-close { margin-left: auto; width: 36px; height: 36px; font-size: 1.4rem; color: var(--muted); }
.rosie-log { flex: 1; overflow-y: auto; padding: 0.9rem; display: flex; flex-direction: column; gap: 0.65rem; }
.rosie-msg { max-width: 92%; padding: 0.65rem 0.8rem; font-size: 0.88rem; line-height: 1.5; white-space: pre-wrap; }
.rosie-msg.bot { background: #120a1c; border: 1px solid var(--line); align-self: flex-start; }
.rosie-msg.user { background: var(--violet-dim); border: 1px solid var(--line-strong); align-self: flex-end; }
.rosie-form { display: flex; gap: 0.45rem; padding: 0.7rem; border-top: 1px solid var(--line); }
.rosie-form input {
  flex: 1; min-height: 40px; padding: 0 0.7rem;
  background: #120a1c; border: 1px solid var(--line-strong); color: var(--text);
  font-family: var(--mono); font-size: 0.9rem;
}
.rosie-form button {
  min-height: 40px; padding: 0 0.85rem;
  background: var(--violet); color: #120414;
  font-size: 0.65rem; letter-spacing: 0.14em; text-transform: uppercase;
}
body.rosie-open .rosie-launcher { visibility: hidden; }

.page-404 {
  min-height: 100svh; display: grid; place-items: center; text-align: center; padding: 2rem;
}
.page-404 h1 {
  font-family: var(--font); font-size: clamp(4rem, 12vw, 8rem);
  color: var(--violet); line-height: 1; margin: 0.5rem 0;
}
.page-404 p { color: var(--muted); margin-bottom: 1.5rem; }

@media (max-width: 860px) {
  .menu-toggle { display: grid; }
  .nav-links {
    position: fixed; inset: 0;
    background: rgba(5, 3, 9, 0.97);
    flex-direction: column; justify-content: center; gap: 1.6rem;
    opacity: 0; pointer-events: none;
  }
  body.nav-open .nav-links { opacity: 1; pointer-events: auto; }
  .nav-links a { font-size: 1rem; }
  .nav-cta { border: 0; padding: 0; }
  .overview, .contact-row, .status, .capability li { grid-template-columns: 1fr; }
  .capability .n { display: none; }
  .meta { text-align: left; }
}

@media (max-width: 540px) {
  .brand-name { letter-spacing: 0.16em; }
  .hero-stage { padding: 10px; }
  .hero-hud p { font-size: 0.58rem; letter-spacing: 0.08em; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}