/* monKey Cockpit – public start page. Colours and type follow the Cockpit design system
 * (frontend/src/styles/global.css, docs/design/corporate-design.md): dark navy from the logo,
 * radar blue as the primary action, IBM Plex Sans (bundled, no external fonts). */
@font-face { font-family: 'IBM Plex Sans'; font-weight: 400; font-display: swap; src: url(assets/ibm-plex-sans-latin-400.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-weight: 600; font-display: swap; src: url(assets/ibm-plex-sans-latin-600.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-weight: 700; font-display: swap; src: url(assets/ibm-plex-sans-latin-700.woff2) format('woff2'); }

:root {
  --navy-950: #031422;
  --navy-900: #051827;
  --navy-850: #0a2236;
  --navy-800: #0d2a42;
  --navy-700: #173a57;
  --white: #f3f6f9;
  --silver: #d4dce3;
  --muted: #9fb0c0;
  --radar-blue: #05b4f6;
  --radar-cyan: #02f8fb;
  --radar-deep: #006098;
  --on-blue: #031422;
  --radius: 12px;
  --radius-lg: 16px;
  --max: 1120px;
  --font: 'IBM Plex Sans', system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--white);
  background: var(--navy-900);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--radar-blue); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--radar-cyan); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(5, 24, 39, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--navy-800);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.site-header .logo img { height: 52px; width: auto; }
.nav { display: flex; align-items: center; gap: 24px; }
.nav a.link { color: var(--silver); text-decoration: none; font-size: 15px; }
.nav a.link:hover { color: var(--white); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 22px;
  border-radius: 10px;
  font-weight: 600; font-size: 15px; text-decoration: none;
  background: var(--radar-blue); color: var(--on-blue);
  transition: background 0.15s ease;
}
.btn:hover { background: var(--radar-cyan); }
.btn.secondary { background: transparent; color: var(--white); border: 1px solid var(--navy-700); }
.btn.secondary:hover { background: var(--navy-800); }

/* hero */
.hero {
  background: radial-gradient(ellipse at 70% 40%, var(--navy-850) 0%, var(--navy-900) 55%, var(--navy-950) 100%);
  padding: 56px 0 72px;
}
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
/* grid children may shrink below their content width (the logo is 1200 px wide) */
.hero .wrap > *, .cards > *, .security > *, .products > *, .demo-cards > *, .facts > *, .gallery > *, .shot-row > * { min-width: 0; }
.hero .brand-image { width: 100%; }
.hero h1 { font-size: 44px; line-height: 1.15; margin: 0 0 16px; font-weight: 700; letter-spacing: -0.01em; }
.hero h1 span { color: var(--radar-blue); }
.hero .lead { font-size: 20px; color: var(--silver); margin: 0 0 16px; }
.hero p { color: var(--muted); margin: 0 0 28px; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .brand-image {
  border-radius: var(--radius-lg);
  /* soft edge so the logo background runs into the page, as on the Cockpit sign-in */
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 50%, #000 70%, transparent 100%);
          mask-image: radial-gradient(ellipse 75% 70% at 50% 50%, #000 70%, transparent 100%);
  aspect-ratio: 1200 / 562;
}

/* sections */
section { padding: 72px 0; scroll-margin-top: 72px; }
section.alt { background: var(--navy-950); }
.eyebrow { color: var(--radar-blue); font-weight: 600; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 8px; }
h2 { font-size: 32px; line-height: 1.2; margin: 0 0 16px; font-weight: 600; }
.intro { color: var(--silver); max-width: 760px; margin: 0 0 40px; font-size: 18px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--navy-850);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius);
  padding: 28px;
}
.card h3 { margin: 12px 0 8px; font-size: 19px; font-weight: 600; }
.card p { margin: 0; color: var(--muted); }
.icon { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; background: var(--navy-800); color: var(--radar-blue); }
.icon svg { width: 24px; height: 24px; }

.security { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; list-style: none; padding: 0; margin: 0; }
.security li { background: var(--navy-850); border: 1px solid var(--navy-800); border-radius: var(--radius); padding: 22px; }
.security li strong { display: block; margin: 12px 0 6px; font-weight: 600; }
.security li span { color: var(--muted); font-size: 15px; }

.cta { text-align: center; }
.cta p { color: var(--silver); margin: 0 auto 24px; max-width: 620px; }

/* footer */
.site-footer { border-top: 1px solid var(--navy-800); background: var(--navy-950); padding: 32px 0; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; flex-direction: column; gap: 24px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; border-top: 1px solid var(--navy-800); padding-top: 20px; }
.site-footer nav { display: flex; gap: 20px; }
.site-footer a { color: var(--silver); text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.infra h2 { font-size: 15px; font-weight: 600; color: var(--white); margin: 0 0 8px; }
.infra ul { list-style: none; margin: 0 0 6px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 28px; color: var(--silver); }
.infra li { display: flex; align-items: center; gap: 8px; }
.infra li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--radar-blue); flex: none; }
.infra p { margin: 0; font-size: 13px; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* products */
.products { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.product { background: var(--navy-850); border: 1px solid var(--navy-800); border-radius: var(--radius-lg); padding: 32px; display: flex; flex-direction: column; gap: 16px; }
.product-head { display: flex; align-items: center; gap: 16px; }
.product h3 { margin: 0; font-size: 24px; font-weight: 700; }
.product .tagline { margin: 2px 0 0; color: var(--radar-blue); font-weight: 600; }
.product > p { margin: 0; color: var(--silver); }
.product .product-foot { color: var(--muted); font-size: 15px; border-top: 1px solid var(--navy-800); padding-top: 16px; margin-top: auto; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.checks li { position: relative; padding-left: 28px; color: var(--white); }
.checks li::before { content: ""; position: absolute; left: 2px; top: 6px; width: 12px; height: 7px; border-left: 2px solid var(--radar-blue); border-bottom: 2px solid var(--radar-blue); transform: rotate(-45deg); }
.note { margin: 24px 0 0; padding: 16px 20px; border: 1px dashed var(--navy-700); border-radius: var(--radius); color: var(--muted); font-size: 15px; }
.note strong { color: var(--silver); }

/* demo cards */
.demo-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.demo-card { display: flex; flex-direction: column; gap: 10px; padding: 28px; border-radius: var(--radius-lg); text-decoration: none; color: var(--silver);
  background: linear-gradient(145deg, var(--navy-800), var(--navy-850)); border: 1px solid var(--navy-700); transition: border-color .15s ease, transform .15s ease; }
.demo-card:hover { border-color: var(--radar-blue); transform: translateY(-2px); }
.demo-card:focus-visible { outline: 3px solid var(--radar-cyan); outline-offset: 3px; }
.demo-card strong { color: var(--white); font-size: 20px; font-weight: 600; }
.demo-kicker { color: var(--radar-blue); font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.demo-open { margin-top: auto; padding-top: 8px; color: var(--radar-blue); font-weight: 600; }
@media (prefers-reduced-motion: reduce) { .demo-card { transition: none; } .demo-card:hover { transform: none; } }

/* architecture diagram */
.diagram { margin: 0 0 40px; display: grid; grid-template-columns: minmax(0, 1fr) 150px minmax(0, 1.15fr); align-items: stretch; gap: 0; }
.zone { position: relative; border-radius: var(--radius-lg); padding: 36px 20px 20px; display: flex; flex-direction: column; gap: 10px; }
.zone-local { border: 1px dashed #2f6a3a; background: rgba(56, 225, 37, .04); }
.zone-central { border: 1px dashed var(--radar-deep); background: rgba(5, 180, 246, .05); }
.zone-label { position: absolute; top: 10px; left: 20px; font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.node { display: flex; flex-direction: column; gap: 2px; padding: 16px 18px; border-radius: var(--radius); background: var(--navy-850); border: 1px solid var(--navy-700); }
.node strong { font-weight: 600; font-size: 17px; }
.node span { color: var(--muted); font-size: 14px; }
.node-icon { width: 26px; height: 26px; color: var(--radar-blue); margin-bottom: 6px; }
.node-bridge { border-color: #38e125; box-shadow: 0 0 0 1px rgba(56, 225, 37, .25), 0 0 24px rgba(56, 225, 37, .12); }
.node-bridge .node-icon { color: #38e125; }
.node-cockpit { border-color: var(--radar-blue); box-shadow: 0 0 0 1px rgba(5, 180, 246, .25), 0 0 24px rgba(5, 180, 246, .15); }
.node-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.node-small strong { font-size: 15px; }
.node-small span { font-size: 13px; }
.hop { position: relative; text-align: center; padding: 6px 0 6px; color: var(--muted); font-size: 13px; }
.hop::before { content: ""; display: block; width: 2px; height: 26px; margin: 0 auto 6px; background: linear-gradient(var(--navy-700), #38e125); }
.hop::after { content: ""; display: block; width: 0; height: 0; margin: 6px auto 0; border: 6px solid transparent; border-top: 8px solid #38e125; border-bottom: 0; }
.tunnel { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 0 10px; color: var(--radar-cyan); text-align: center; }
.tunnel svg { width: 26px; height: 26px; }
.tunnel-line { display: block; width: 100%; height: 4px; border-radius: 2px;
  background: repeating-linear-gradient(90deg, var(--radar-cyan) 0 10px, transparent 10px 16px); box-shadow: 0 0 12px rgba(2, 248, 251, .35); position: relative; }
.tunnel-line::after { content: ""; position: absolute; right: -2px; top: -5px; border: 7px solid transparent; border-left: 9px solid var(--radar-cyan); border-right: 0; }
.tunnel-text { font-size: 13px; color: var(--silver); }
.facts { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.facts li { background: var(--navy-850); border: 1px solid var(--navy-800); border-radius: var(--radius); padding: 18px 20px; display: flex; flex-direction: column; gap: 4px; }
.facts strong { font-weight: 600; }
.facts span { color: var(--muted); font-size: 15px; }

/* gallery */
.gallery { display: grid; gap: 28px; }
.shot { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.shot img { width: 100%; border-radius: var(--radius); border: 1px solid var(--navy-700); box-shadow: 0 16px 48px rgba(0, 0, 0, .45); background: var(--navy-850); }
.shot figcaption { color: var(--muted); font-size: 14px; }
.shot figcaption strong { color: var(--silver); font-weight: 600; }
.shot-row { display: grid; grid-template-columns: 1fr 1.25fr 0.9fr; gap: 24px; align-items: start; }
.bridge-teaser { background: var(--navy-850); border: 1px solid var(--navy-700); border-radius: var(--radius-lg); padding: 24px 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.bridge-teaser h3 { margin: 0; font-size: 19px; font-weight: 600; flex: 1 1 100%; }
.bridge-teaser p { margin: 0; color: var(--silver); flex: 1 1 420px; }

/* legal pages */
.legal h2 { font-size: 22px; margin: 36px 0 10px; }
.legal h3 { font-size: 17px; margin: 20px 0 6px; font-weight: 600; }
.legal p, .legal li { color: var(--silver); max-width: 820px; }
.legal address { font-style: normal; color: var(--white); line-height: 1.7; }
.legal .open { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 2px 8px; border-radius: 6px;
  color: #fcc875; background: rgba(245, 165, 36, .13); border: 1px solid rgba(245, 165, 36, .45); margin-right: 6px; }
.legal dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 0; }
.legal dt { color: var(--muted); }
.legal dd { margin: 0; color: var(--white); overflow-wrap: anywhere; }

/* legal pages (base) */
.legal { padding: 56px 0 72px; }
.legal h1 { font-size: 32px; margin: 0 0 24px; }
.legal .notice { background: var(--navy-850); border: 1px solid var(--navy-700); border-radius: var(--radius); padding: 20px 24px; color: var(--silver); }

/* tablet */
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 32px; }
  .products, .demo-cards { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .diagram { grid-template-columns: 1fr; }
  .tunnel { flex-direction: row; justify-content: flex-start; padding: 14px 20px; text-align: left; }
  .tunnel-line { width: 4px; height: 44px; flex: none; background: repeating-linear-gradient(180deg, var(--radar-cyan) 0 10px, transparent 10px 16px); }
  .tunnel-line::after { right: -5px; top: auto; bottom: -4px; border: 7px solid transparent; border-top: 9px solid var(--radar-cyan); border-bottom: 0; }
  .shot-row { grid-template-columns: 1fr 1fr; }
  .shot-row .shot:first-child { grid-column: 1 / -1; max-width: 420px; }
  .hero .brand-image { order: -1; max-width: 640px; }
  .cards { grid-template-columns: 1fr; }
  .security { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 36px; }
}
@media (max-width: 900px) {
  .nav { gap: 18px; }
  .nav a.link:nth-child(n+4) { display: none; }
}
/* phone */
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .site-header .wrap { min-height: 60px; }
  .site-header .logo img { height: 40px; }
  .nav a.link { display: none; }
  .btn { padding: 0 16px; }
  .hero { padding: 32px 0 48px; }
  .hero h1 { font-size: 28px; }
  h2, h3, p { overflow-wrap: break-word; hyphens: auto; }
  h1 { overflow-wrap: break-word; }
  .hero .lead { font-size: 18px; }
  section { padding: 48px 0; }
  h2 { font-size: 26px; }
  .security, .facts { grid-template-columns: 1fr; }
  .product, .demo-card { padding: 22px; }
  .node-row { grid-template-columns: 1fr; }
  .legal dl { grid-template-columns: 1fr; gap: 0 0; }
  .legal dd { margin-bottom: 8px; }
}