/* LUCI microsite — Everything Information brand system (Brand Guide v1.0.1, Oct 2025).
   Tokens mirror www.everythinginfo.cloud so the two sites read as one family. */

:root {
  --white:       #FFFFFF;
  --gunmetal:    #2D3237;
  --cadet:       #A6AFBE;
  --periwinkle:  #C5CBD7;
  --bright-grey: #E6EBF0;
  --rich-black:  #000000;
  --azure:       #007DFF;
  --azure-dark:  #006DE0;
  --azure-soft:  rgba(0,125,255,0.08);
  --bg:          #FFFFFF;
  --bg-soft:     #F7F8FA;
  --ink-2:       #5A626B;            /* secondary copy on white: gunmetal tint, AA on white */
  --border:      rgba(197,203,215,0.5);
  --border-s:    #C5CBD7;

  --font: 'Figtree', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --max: 1200px;
  --r-sm: 10px;
  --r: 18px;
  --r-lg: 26px;
  --r-xl: 36px;
  --r-pill: 100px;
  --t: 0.28s ease;
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--gunmetal);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--azure); }
h1, h2, h3, h4 { margin: 0; font-weight: 300; letter-spacing: -0.02em; line-height: 1.15; color: var(--gunmetal); }
h3, h4 { font-weight: 500; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--azure); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; background: var(--gunmetal); color: #fff; padding: 10px 16px; border-radius: var(--r-pill); z-index: 300; }
.skip:focus { top: 12px; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 32px; }
section { padding: 112px 0; }
.section-soft { background: var(--bg-soft); }
.section-dark { background: var(--gunmetal); color: var(--bright-grey); }
.section-dark h2, .section-dark h3 { color: var(--white); }

/* ── Labels / headings ── */
.label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 500; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--cadet); margin-bottom: 18px;
}
.label::before { content: ''; width: 22px; height: 1px; background: currentColor; }
.section-dark .label { color: var(--cadet); }
.section-title { font-size: clamp(30px, 3.4vw, 48px); margin-bottom: 18px; }
.section-sub { max-width: 620px; color: var(--ink-2); font-size: 17px; }
.section-dark .section-sub { color: var(--periwinkle); }
.section-hdr { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 56px; }
.section-hdr > div { max-width: 760px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font); font-size: 14px; font-weight: 500;
  padding: 13px 22px 13px 28px; border-radius: var(--r-pill);
  border: none; cursor: pointer; text-decoration: none; transition: var(--t);
}
.btn .pa {
  width: 28px; height: 28px; border-radius: var(--r-pill);
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.14);
}
.btn .pa svg { width: 14px; height: 14px; }
.btn-primary { background: var(--gunmetal); color: var(--white); }
.btn-primary:hover { background: #1a1e22; }
.btn-azure { background: var(--azure); color: var(--white); }
.btn-azure:hover { background: var(--azure-dark); }
.btn-ghost { background: transparent; color: var(--gunmetal); border: 1px solid var(--border-s); padding: 12px 24px; font-weight: 400; }
.btn-ghost:hover { background: var(--bright-grey); border-color: var(--cadet); }
.btn-ghost-light { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,0.3); padding: 12px 24px; font-weight: 400; }
.btn-ghost-light:hover { background: rgba(255,255,255,0.08); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ── Nav ── */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 200; padding: 18px 0;
  transition: background 0.3s ease, padding 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.stuck { background: rgba(255,255,255,0.96); backdrop-filter: blur(14px); border-bottom-color: var(--border); padding: 12px 0; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--white); transition: color var(--t); }
.nav.stuck .brand { color: var(--gunmetal); }
.brand-mark { width: 36px; height: 36px; }
.brand-name { font-size: 24px; font-weight: 500; letter-spacing: 0.04em; }
.brand-by { font-size: 11px; color: var(--cadet); letter-spacing: 0.02em; border-left: 1px solid rgba(166,175,190,0.5); padding-left: 12px; line-height: 1.3; }
.nav-pill {
  display: flex; list-style: none; margin: 0; padding: 4px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(8px); border-radius: var(--r-pill);
  transition: background 0.3s ease, border-color 0.3s ease;
}
.nav-pill a {
  display: block; font-size: 13px; color: rgba(255,255,255,0.86);
  padding: 7px 15px; border-radius: var(--r-pill); text-decoration: none; transition: var(--t);
}
.nav-pill a:hover { background: var(--azure); color: var(--white); }
.nav.stuck .nav-pill { background: var(--bright-grey); border-color: var(--border); backdrop-filter: none; }
.nav.stuck .nav-pill a { color: var(--gunmetal); }
.nav.stuck .nav-pill a:hover { color: var(--white); }
.nav .btn { padding: 9px 16px 9px 20px; font-size: 13px; }
.nav .btn-nav { background: var(--white); color: var(--gunmetal); }
.nav .btn-nav .pa { background: var(--bright-grey); }
.nav.stuck .btn-nav { background: var(--gunmetal); color: var(--white); }
.nav.stuck .btn-nav .pa { background: rgba(255,255,255,0.14); }

/* ── Hero ── */
.hero {
  position: relative; overflow: hidden; color: var(--bright-grey);
  background:
    radial-gradient(1100px 600px at 85% 15%, rgba(0,125,255,0.20), transparent 60%),
    radial-gradient(900px 500px at 0% 100%, rgba(166,175,190,0.16), transparent 60%),
    linear-gradient(160deg, #23272b 0%, var(--gunmetal) 55%, #1d2124 100%);
  padding: calc(var(--nav-h) + 96px) 0 112px;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: center; }
.hero h1 { color: var(--white); font-size: clamp(38px, 5vw, 66px); line-height: 1.06; letter-spacing: -0.03em; margin-bottom: 26px; }
.hero h1 em { font-style: normal; color: #6fb6ff; }
.hero-lead { font-size: 19px; color: var(--periwinkle); max-width: 560px; margin-bottom: 36px; }
.hero .label { color: var(--cadet); }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding: 0; list-style: none; }
.hero-facts li {
  font-size: 12px; color: var(--periwinkle); padding: 7px 14px;
  border: 1px solid rgba(255,255,255,0.16); border-radius: var(--r-pill); background: rgba(255,255,255,0.04);
}
.hero-art { position: relative; aspect-ratio: 1; max-width: 460px; justify-self: end; width: 100%; }
.hero-art .vortex { position: absolute; inset: 10%; width: 80%; height: 80%; color: var(--white); opacity: 0.42; animation: spin 90s linear infinite reverse; }
.hero-art .ring { position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,0.08); }
@keyframes spin { to { transform: rotate(360deg); } }

/* "Window" brand element: frosted glass panel */
.window {
  background: linear-gradient(145deg, rgba(255,255,255,0.14), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(12px);
  border-radius: var(--r-lg);
}
.hero-card { position: absolute; padding: 14px 18px; font-size: 13px; color: var(--white); display: flex; gap: 12px; align-items: center; box-shadow: 0 20px 40px rgba(0,0,0,0.25); }
.hero-card small { display: block; color: var(--periwinkle); font-size: 11px; }
.hero-card .dot { width: 30px; height: 30px; border-radius: 50%; background: rgba(0,125,255,0.25); display: grid; place-items: center; flex-shrink: 0; }
.hero-card .dot svg { width: 15px; height: 15px; color: #8cc4ff; }
.hc-1 { top: 10%; left: -6%; }
.hc-2 { bottom: 14%; right: -4%; }
.hc-3 { bottom: -2%; left: 8%; }

/* ── Cards ── */
.grid { display: grid; gap: 20px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--r); padding: 30px; transition: var(--t);
}
.card:hover { border-color: rgba(0,125,255,0.35); box-shadow: 0 10px 30px rgba(45,50,55,0.06); }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: 15px; margin: 0; }
.card .ico {
  width: 44px; height: 44px; border-radius: 12px; background: var(--azure-soft);
  color: var(--azure); display: grid; place-items: center; margin-bottom: 20px;
}
.card .ico svg { width: 22px; height: 22px; }
.section-dark .card { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.1); }
.section-dark .card p { color: var(--periwinkle); }
.section-dark .card .ico { background: rgba(0,125,255,0.18); color: #8cc4ff; }

/* ── Pillars (the four non-negotiables) ── */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pillar { position: relative; padding: 32px 28px 30px; border-radius: var(--r-lg); background: var(--white); border: 1px solid var(--border); overflow: hidden; }
.pillar .num { font-size: 12px; color: var(--azure); font-weight: 500; letter-spacing: 0.1em; margin-bottom: 26px; display: block; }
.pillar h3 { font-size: 21px; margin-bottom: 12px; font-weight: 400; }
.pillar p { color: var(--ink-2); font-size: 15px; margin: 0; }
.pillar::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--azure), transparent); opacity: 0; transition: var(--t); }
.pillar:hover::after { opacity: 1; }

/* ── Is / isn't ── */
.isnot { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.isnot-col { border-radius: var(--r-lg); padding: 36px; }
.isnot-is { background: var(--gunmetal); color: var(--bright-grey); }
.isnot-is h3 { color: var(--white); }
.isnot-not { background: var(--white); border: 1px solid var(--border); }
.isnot-col h3 { font-size: 22px; font-weight: 400; margin-bottom: 22px; }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.ticks li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; font-size: 15px; line-height: 1.5; }
.ticks svg { width: 20px; height: 20px; margin-top: 1px; }
.isnot-is .ticks svg { color: #6fb6ff; }
.isnot-not .ticks svg { color: var(--cadet); }
.isnot-not .ticks li { color: var(--ink-2); }
.ticks strong { font-weight: 500; color: inherit; }
.isnot-is .ticks strong { color: var(--white); }
.isnot-not .ticks strong { color: var(--gunmetal); }

/* ── Diagram panels ── */
.figure { background: var(--white); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 28px; }
.figure figcaption { font-size: 13px; color: var(--ink-2); margin-top: 16px; }
.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.split.rev { grid-template-columns: 1.1fr 1fr; }
.split h2 { font-size: clamp(28px, 3vw, 42px); margin-bottom: 18px; }
.split .section-sub { margin-bottom: 26px; }

/* ── Steps / lifecycle ── */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 28px 24px; border-radius: var(--r); background: var(--white); border: 1px solid var(--border); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: block; font-size: 12px; font-weight: 500; letter-spacing: 0.1em; color: var(--azure); margin-bottom: 18px; }
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: var(--ink-2); margin: 0; }
.step .when { display: inline-block; margin-top: 14px; font-size: 12px; color: var(--gunmetal); background: var(--bright-grey); padding: 4px 10px; border-radius: var(--r-pill); }

/* ── Hardware spec ── */
.hw { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.hw .card h3 { font-size: 20px; font-weight: 400; }
.hw .tag { display: inline-block; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--azure); margin-bottom: 12px; font-weight: 500; }
.spec { list-style: none; padding: 0; margin: 18px 0 0; border-top: 1px solid var(--border); }
.spec li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.spec li span:first-child { color: var(--ink-2); }
.spec li span:last-child { text-align: right; font-weight: 500; }

/* ── Licensing ── */
.lic { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.lic .card { padding: 36px; }
.lic h3 { font-size: 24px; font-weight: 300; margin-bottom: 6px; }
.lic .for { color: var(--azure); font-size: 13px; font-weight: 500; margin-bottom: 18px; display: block; }
.note { margin-top: 20px; padding: 18px 22px; border-radius: var(--r); background: var(--bright-grey); font-size: 14px; color: var(--gunmetal); display: flex; gap: 12px; align-items: flex-start; }
.note svg { width: 18px; height: 18px; color: var(--azure); flex-shrink: 0; margin-top: 2px; }

/* ── Sectors ── */
.sectors .card h3 { font-weight: 400; font-size: 21px; }
.sectors .card ul { margin: 14px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 14.5px; }
.sectors .card li { margin-bottom: 6px; }

/* ── Trust strip ── */
.trust { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; padding: 26px 32px; border-radius: var(--r-lg); background: var(--white); border: 1px solid var(--border); }
.trust img { height: 54px; width: auto; }
.trust p { margin: 0; font-size: 15px; color: var(--ink-2); flex: 1; min-width: 240px; }
.trust strong { color: var(--gunmetal); font-weight: 500; }

/* ── Contact ── */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.contact-points { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.contact-points li { display: flex; gap: 12px; align-items: flex-start; color: var(--periwinkle); font-size: 15px; }
.contact-points svg { width: 20px; height: 20px; color: #6fb6ff; flex-shrink: 0; margin-top: 2px; }
.form { background: var(--white); color: var(--gunmetal); border-radius: var(--r-lg); padding: 36px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field label, .field legend { font-size: 13px; font-weight: 500; color: var(--gunmetal); }
.field .opt { color: var(--cadet); font-weight: 400; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 15px; color: var(--gunmetal);
  padding: 12px 14px; border: 1px solid var(--border-s); border-radius: var(--r-sm);
  background: var(--white); width: 100%; transition: border-color var(--t), box-shadow var(--t);
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--azure); box-shadow: 0 0 0 3px var(--azure-soft); }
.field input:user-invalid, .field select:user-invalid, .field textarea:user-invalid { border-color: #c2410c; }
fieldset.field { border: 0; padding: 0; margin: 0 0 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.chips label { font-weight: 400; font-size: 13.5px; display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--border-s); border-radius: var(--r-pill); cursor: pointer; transition: var(--t); }
.field .chips input { accent-color: var(--azure); margin: 0; width: auto; padding: 0; }
.chips label { white-space: nowrap; }
.chips label:has(input:checked) { border-color: var(--azure); background: var(--azure-soft); color: var(--azure-dark); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.consent { font-size: 12.5px; color: var(--ink-2); margin: 4px 0 20px; }
.form-foot { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-status { font-size: 14px; margin: 16px 0 0; }
.form-status.ok { color: #15803d; }
.form-status.err { color: #c2410c; }
.altcha-slot { font-size: 12.5px; color: var(--ink-2); display: flex; align-items: center; gap: 8px; }
.altcha-slot svg { width: 16px; height: 16px; color: var(--azure); }

/* ── Footer ── */
.footer { background: #1f2327; color: var(--cadet); padding: 56px 0 40px; font-size: 14px; }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: flex-start; }
.footer a { color: var(--periwinkle); text-decoration: none; }
.footer a:hover { color: var(--white); }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.footer-ei img { height: 34px; width: auto; opacity: 0.85; }
.footer-legal { margin-top: 36px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 12.5px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ── Reveal ── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-art .vortex { animation: none; }
  html { scroll-behavior: auto; }
}

/* ── Responsive ── */
@media (max-width: 1080px) {
  .pillars, .steps, .g-4 { grid-template-columns: repeat(2, 1fr); }
  .hw, .g-3 { grid-template-columns: 1fr 1fr; }
  .nav-pill { display: none; }
}
@media (max-width: 860px) {
  section { padding: 80px 0; }
  .hero-grid, .split, .split.rev, .contact-grid, .isnot, .lic { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { max-width: 320px; justify-self: center; }
  .section-hdr { flex-direction: column; align-items: flex-start; }
  .brand-by { display: none; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .pillars, .steps, .g-2, .g-3, .g-4, .hw { grid-template-columns: 1fr; }
  .form { padding: 24px 18px; }
  .form .row { grid-template-columns: 1fr; gap: 0; }
  .hero { padding-top: calc(var(--nav-h) + 56px); }
  .hc-1 { left: 0; } .hc-2 { right: 0; }
  .isnot-col { padding: 26px 22px; }
}




.section-dark .sectors .card ul, .sectors.section-dark .card ul { color: var(--cadet); }
.testenv { display: flex; gap: 22px; align-items: flex-start; margin-top: 20px; border-color: rgba(0,125,255,0.3); background: linear-gradient(135deg, var(--white), rgba(0,125,255,0.04)); }
.testenv .ico { margin-bottom: 0; flex-shrink: 0; }
.testenv h3 { font-size: 20px; font-weight: 400; }

/* ── Product screens ── */
.screens { display: grid; grid-template-columns: 300px 1fr; gap: 24px; align-items: start; }
.screen-tabs { display: grid; gap: 10px; }
.screen-tabs button {
  text-align: left; font: inherit; color: var(--gunmetal); cursor: pointer;
  background: var(--white); border: 1px solid var(--border); border-radius: var(--r);
  padding: 18px 20px; display: grid; gap: 4px; transition: var(--t);
}
.screen-tabs button strong { font-weight: 500; font-size: 16px; }
.screen-tabs button span { font-size: 13.5px; color: var(--ink-2); line-height: 1.45; }
.screen-tabs button:hover { border-color: rgba(0,125,255,0.35); }
.screen-tabs button[aria-selected="true"] { border-color: var(--azure); box-shadow: inset 3px 0 0 var(--azure); }
.browser { background: var(--white); border: 1px solid var(--border-s); border-radius: var(--r); overflow: hidden; box-shadow: 0 24px 60px rgba(45,50,55,0.12); }
.browser-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; background: var(--bright-grey); border-bottom: 1px solid var(--border); }
.browser-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--periwinkle); }
.browser-bar span { margin-left: 12px; font-size: 12px; color: var(--ink-2); background: var(--white); padding: 3px 12px; border-radius: var(--r-pill); }
.browser img { width: 100%; height: auto; }
.screens-note { margin: 14px 0 0; font-size: 12.5px; color: var(--ink-2); text-align: right; }
@media (max-width: 860px) {
  .screens { grid-template-columns: 1fr; }
  .screen-tabs { grid-template-columns: repeat(3, 1fr); }
  .screen-tabs button span { display: none; }
  .screen-tabs button { padding: 12px 14px; }
  .screen-tabs button strong { font-size: 13.5px; }
}