/* ORBNEX corporate site — design system
   Deep navy-black · ORBNEX orange accent · restrained cyan · Barlow / Barlow Condensed / DM Mono */

:root {
  --bg: #080d18;
  --bg-2: #0b1120;
  --panel: #101b2d;
  --panel-2: #0d1626;
  --text: #e9eef6;
  --muted: #9fb0c9;
  --quiet: #6c7d97;
  --line: rgba(233, 238, 246, 0.08);
  --line-strong: rgba(233, 238, 246, 0.16);
  --orange: #ff6433;
  --orange-2: #ff7a3d;
  --cyan: #25d4e8;
  --shadow: rgba(0, 0, 0, 0.5);
  --maxw: 1160px;
  --radius: 14px;
  --sans: "Barlow", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --cond: "Barlow Condensed", var(--sans);
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  background:
    radial-gradient(900px 480px at 78% -8%, rgba(255, 100, 51, 0.12), transparent 60%),
    radial-gradient(760px 520px at 6% 2%, rgba(37, 212, 232, 0.06), transparent 60%),
    linear-gradient(rgba(233, 238, 246, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(233, 238, 246, 0.018) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 76px 76px, 76px 76px, auto;
  background-attachment: fixed, fixed, scroll, scroll, scroll;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* Accessibility ----------------------------------------------------------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  background: var(--orange); color: #0a0f1c; font-weight: 700;
  padding: 10px 16px; border-radius: 8px; transform: translateY(-160%);
  transition: transform 0.16s ease;
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

/* Layout ------------------------------------------------------------------ */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
main { display: block; }
.section { padding: 88px 0; }
.section.tight { padding: 60px 0; }
.section + .section { border-top: 1px solid var(--line); }

.eyebrow {
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  letter-spacing: 3px; text-transform: uppercase; color: var(--orange);
  margin: 0 0 14px;
}
h1, h2, h3 { font-family: var(--cond); font-weight: 700; line-height: 1.04; margin: 0; letter-spacing: 0.3px; }
h1 { font-size: clamp(38px, 6.2vw, 68px); }
h2 { font-size: clamp(30px, 4.4vw, 46px); }
h3 { font-size: clamp(20px, 2.4vw, 26px); }
p { margin: 0 0 16px; }
.lead { font-size: clamp(18px, 2.2vw, 22px); color: var(--muted); max-width: 62ch; }
.muted { color: var(--muted); }
.accent { color: var(--orange); }

.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Buttons ----------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px; cursor: pointer;
  font-family: var(--sans); font-weight: 600; font-size: 15px; letter-spacing: 0.2px;
  padding: 13px 22px; border-radius: 10px; border: 1px solid transparent;
  transition: transform 0.12s ease, background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--orange); color: #0a0f1c; }
.btn-primary:hover { background: var(--orange-2); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--cyan); color: #fff; }
.btn-ghost { background: rgba(233, 238, 246, 0.04); color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--line-strong); }
.btn-arrow::after { content: "\2192"; font-family: var(--sans); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* Header / nav ------------------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8, 13, 24, 0.92), rgba(8, 13, 24, 0.72));
  backdrop-filter: blur(14px);
}
.nav {
  display: flex; align-items: center; gap: 24px;
  height: 72px; max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-symbol { width: 30px; height: 30px; }
.wordmark {
  font-family: var(--cond); font-weight: 700; font-size: 25px;
  letter-spacing: 5px; color: var(--text);
}
.wordmark b { font-weight: 700; }
.wordmark .nex { color: var(--orange); }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: 10px; }
.nav-links a { color: var(--muted); font-size: 15px; font-weight: 500; transition: color 0.15s ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 14px; margin-left: auto; }

/* Sign-in dropdown */
.signin { position: relative; }
.signin-toggle {
  background: transparent; border: 1px solid var(--line-strong); color: var(--muted);
  font-family: var(--sans); font-size: 15px; font-weight: 500; padding: 9px 14px;
  border-radius: 9px; cursor: pointer; display: inline-flex; align-items: center; gap: 7px;
}
.signin-toggle:hover { color: var(--text); border-color: var(--cyan); }
.signin-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 210px;
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: 12px;
  padding: 8px; box-shadow: 0 20px 44px var(--shadow); display: none;
}
.signin-menu.open { display: block; }
.signin-menu a { display: flex; flex-direction: column; padding: 10px 12px; border-radius: 8px; color: var(--text); }
.signin-menu a span { font-size: 12px; color: var(--quiet); }
.signin-menu a:hover { background: rgba(233, 238, 246, 0.05); }

.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--line-strong);
  color: var(--text); width: 42px; height: 42px; border-radius: 9px; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* Hero -------------------------------------------------------------------- */
.hero { padding: 96px 0 80px; }
.hero-eyebrow { color: var(--cyan); }
.hero h1 { max-width: 15ch; }
.hero .lead { margin-top: 22px; }
.hero .actions { margin-top: 34px; }
.hero-note { margin-top: 20px; font-size: 13px; color: var(--quiet); }

/* Platform spine ---------------------------------------------------------- */
.spine { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 8px; }
.spine-step {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); padding: 24px;
  position: relative;
}
.spine-step .verb { font-family: var(--cond); font-size: 22px; color: var(--orange); letter-spacing: 1px; }
.spine-step h3 { margin: 8px 0 8px; }
.spine-step p { margin: 0; color: var(--muted); font-size: 15.5px; }
.spine-flow { text-align: center; color: var(--quiet); font-family: var(--mono); font-size: 12px; letter-spacing: 2px; margin-top: 22px; }

/* Generic grids / cards --------------------------------------------------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel), var(--panel-2)); padding: 26px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); margin: 0; font-size: 15.5px; }
.card .num { font-family: var(--mono); color: var(--quiet); font-size: 13px; letter-spacing: 1px; }

/* Product layer blocks ---------------------------------------------------- */
.product {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 40px; align-items: center;
  border: 1px solid var(--line); border-radius: 18px; padding: 40px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
}
.product + .product { margin-top: 22px; }
.product.rev { grid-template-columns: 1.05fr 1fr; }
.product.rev .product-visual { order: -1; }
.product-tag {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono);
  font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--cyan);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 5px 12px; margin-bottom: 16px;
}
.product h2 { font-size: clamp(26px, 3.4vw, 38px); }
.product h2 .nex { color: var(--orange); }
.product .lead { font-size: 18px; margin: 14px 0 18px; }
.product ul { list-style: none; margin: 0 0 22px; padding: 0; }
.product li { color: var(--muted); padding-left: 22px; position: relative; margin-bottom: 8px; font-size: 15.5px; }
.product li::before { content: ""; position: absolute; left: 0; top: 11px; width: 8px; height: 8px; border-radius: 2px; background: var(--orange); }
.product-visual {
  border: 1px solid var(--line); border-radius: 14px; min-height: 220px;
  background:
    radial-gradient(420px 200px at 70% 20%, rgba(255, 100, 51, 0.12), transparent 60%),
    linear-gradient(180deg, #0c1524, #0a1120);
  display: flex; align-items: center; justify-content: center; padding: 26px;
}
.product-visual .layer-label { font-family: var(--cond); letter-spacing: 4px; color: var(--quiet); font-size: 15px; text-transform: uppercase; text-align: center; }
.product-visual .layer-label b { display: block; font-size: 40px; color: var(--text); letter-spacing: 3px; }
.product-visual .layer-label b .nex { color: var(--orange); }

/* Industries -------------------------------------------------------------- */
.industry { display: flex; gap: 14px; align-items: flex-start; }
.industry .dot { flex: 0 0 auto; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); margin-top: 8px; box-shadow: 0 0 12px rgba(37, 212, 232, 0.5); }
.industry h3 { font-size: 20px; }
.industry p { color: var(--muted); font-size: 15px; margin: 6px 0 0; }

/* Vision / principles ----------------------------------------------------- */
.principle { border-left: 2px solid var(--orange); padding: 4px 0 4px 18px; }
.principle h3 { font-size: 19px; }
.principle p { color: var(--muted); font-size: 15px; margin: 6px 0 0; }

/* CTA band ---------------------------------------------------------------- */
.cta-band {
  border: 1px solid var(--line-strong); border-radius: 20px; padding: 48px;
  background:
    radial-gradient(600px 300px at 85% 10%, rgba(255, 100, 51, 0.16), transparent 60%),
    linear-gradient(180deg, var(--panel), var(--panel-2));
  text-align: center;
}
.cta-band h2 { margin-bottom: 12px; }
.cta-band .lead { margin: 0 auto 26px; }
.cta-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 30px; text-align: left; }
.cta-grid a {
  border: 1px solid var(--line); border-radius: 12px; padding: 18px; background: rgba(233, 238, 246, 0.02);
  transition: border-color 0.16s ease, transform 0.12s ease;
}
.cta-grid a:hover { border-color: var(--cyan); transform: translateY(-2px); }
.cta-grid strong { display: block; font-family: var(--cond); font-size: 19px; letter-spacing: 0.5px; }
.cta-grid span { color: var(--muted); font-size: 14px; }

/* Sign-in strip ----------------------------------------------------------- */
.signin-strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px;
  border: 1px solid var(--line); border-radius: 16px; padding: 24px 28px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
}
.signin-strip .links { display: flex; gap: 12px; flex-wrap: wrap; }

/* Forms ------------------------------------------------------------------- */
.form { display: grid; gap: 16px; max-width: 640px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; color: var(--muted); font-weight: 500; }
.field input, .field select, .field textarea {
  font-family: var(--sans); font-size: 16px; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--line-strong); border-radius: 10px; padding: 12px 14px;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cyan); outline: none; }
.form-note { font-size: 13px; color: var(--quiet); }
.notice {
  border: 1px solid var(--line-strong); border-left: 3px solid var(--cyan); border-radius: 10px;
  padding: 14px 16px; background: rgba(37, 212, 232, 0.05); font-size: 14px; color: var(--muted);
}

/* Legal / prose pages ----------------------------------------------------- */
.prose { max-width: 820px; }
.prose h2 { font-size: clamp(22px, 3vw, 30px); margin: 34px 0 12px; }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 20px; }
.prose a { color: var(--orange); }
.updated { font-family: var(--mono); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--quiet); }

/* 404 --------------------------------------------------------------------- */
.error-page { text-align: center; padding: 120px 0; }
.error-page .code { font-family: var(--cond); font-size: clamp(80px, 18vw, 180px); color: var(--orange); line-height: 1; }

/* Footer ------------------------------------------------------------------ */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 40px; margin-top: 20px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer-col h4 { font-family: var(--mono); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--quiet); margin: 0 0 14px; font-weight: 500; }
.footer-col a { display: block; color: var(--muted); font-size: 15px; margin-bottom: 10px; }
.footer-col a:hover { color: var(--text); }
.footer-brand p { color: var(--muted); font-size: 14.5px; max-width: 42ch; margin-top: 14px; }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center;
  border-top: 1px solid var(--line); margin-top: 40px; padding-top: 22px; color: var(--quiet); font-size: 13px;
}
.ext::after { content: "\2197"; font-size: 0.8em; margin-left: 3px; color: var(--quiet); }

/* Mobile ------------------------------------------------------------------ */
@media (max-width: 900px) {
  .nav-links, .nav-right .signin, .nav-right .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu.open ~ .nav .nav-toggle { }
  .grid-3, .grid-4, .spine, .cta-grid, .footer-top { grid-template-columns: 1fr 1fr; }
  .product, .product.rev { grid-template-columns: 1fr; }
  .product.rev .product-visual { order: 0; }
  .form .row { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .grid-2, .grid-3, .grid-4, .spine, .cta-grid, .footer-top { grid-template-columns: 1fr; }
  .cta-band, .product, .product.rev { padding: 26px; }
  .nav { gap: 14px; }
}

/* Mobile menu panel */
.mobile-menu {
  display: none; position: fixed; inset: 72px 0 0; z-index: 90;
  background: rgba(8, 13, 24, 0.98); backdrop-filter: blur(10px);
  padding: 24px; overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; font-family: var(--cond); font-size: 24px; letter-spacing: 1px; color: var(--text); padding: 14px 0; border-bottom: 1px solid var(--line); }
.mobile-menu .mm-sub { font-family: var(--mono); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--quiet); margin: 22px 0 4px; }
.mobile-menu .mm-actions { margin-top: 24px; display: grid; gap: 12px; }

/* Utilities (replace inline styles so the CSP needs no style 'unsafe-inline') */
.nex { color: var(--orange); }
.text-orange { color: var(--orange); }
.text-cyan { color: var(--cyan); }
.text-quiet { color: var(--quiet); }
.center-x { justify-content: center; }
.stack-sm { margin-top: 18px; }
.mt-16 { margin-top: 16px; }
.mt-28 { margin-top: 28px; }
.mt-34 { margin-top: 34px; }
.mb-8 { margin-bottom: 8px; }
.lead-center { margin: 16px auto 0; }
.lead-404 { margin: 14px auto 28px; }

/* Motion ------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
  body { background-attachment: scroll; }
}