/* Janus Security Solutions — site styles
   Brand tokens live here; change --accent to re-theme the whole site. */
:root {
  --bg: #0b0f14;
  --bg-alt: #0e131a;
  --surface: #121821;
  --surface-2: #171e29;
  --border: #212a36;
  --border-strong: #2c3747;
  --text: #e8edf3;
  --muted: #8d99a8;
  --accent: #7cc4ff;
  --accent-strong: #a9d8ff;
  --accent-ink: #06121f;
  --accent-soft: rgba(124, 196, 255, 0.1);
  --red: #ff6b6b;
  --red-soft: rgba(255, 107, 107, 0.1);
  --ok: #5fd39a;

  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Inter Tight", var(--font);
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --radius: 10px;
  --wrap: 1160px;
  --gutter: clamp(16px, 4vw, 32px);
  --section: clamp(72px, 10vw, 128px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--accent); color: var(--accent-ink); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.12; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 700; letter-spacing: -0.035em; line-height: 1.02; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); }
h3 { font-size: 1.125rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.wrap-narrow { max-width: 720px; margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--font-mono); font-size: .8125rem; letter-spacing: 0; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.accent { color: var(--accent); }
.sr, .hp { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 12px; border-radius: 6px; z-index: 100; }
.skip:focus { left: 8px; }

.eyebrow {
  font-family: var(--font-mono); font-size: .75rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .14em; color: var(--accent);
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 .9375rem/1 var(--font); padding: 14px 20px; border-radius: 8px;
  background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent);
  cursor: pointer; transition: background .15s, border-color .15s, color .15s, transform .15s;
}
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--accent-ink); }
.btn:active { transform: translateY(1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface); color: var(--text); border-color: var(--muted); }
.btn-sm { padding: 10px 14px; font-size: .875rem; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(11, 15, 20, .78); backdrop-filter: saturate(140%) blur(12px); -webkit-backdrop-filter: saturate(140%) blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { width: 30px; height: 30px; }
.brand-word { display: flex; flex-direction: column; line-height: 1.05; }
.brand-word strong { font-family: var(--font-display); font-weight: 700; letter-spacing: .18em; font-size: 1rem; }
.brand-word span { font-family: var(--font-mono); font-size: .625rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: var(--muted); font-size: .9375rem; font-weight: 500; }
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span:not(.sr) { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s, opacity .2s; }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px var(--gutter) 20px;
    display: none;
  }
  .nav-links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 1rem; }
  .nav-links .btn { margin-top: 16px; justify-content: center; }
  .nav.open .nav-links { display: flex; }
  .nav.open .nav-toggle span:nth-child(2) { transform: translateY(3.5px) rotate(45deg); }
  .nav.open .nav-toggle span:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); }
}

/* Hero */
.hero { position: relative; padding: clamp(56px, 9vw, 112px) 0 clamp(48px, 6vw, 72px); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px; opacity: .35;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 20%, transparent 75%);
}
.hero::after {
  content: ""; position: absolute; width: 640px; height: 640px; right: -160px; top: -200px; pointer-events: none;
  background: radial-gradient(circle, rgba(124,196,255,.14), transparent 65%);
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(40px, 6vw, 80px); align-items: center; }
.hero .lede { font-size: clamp(1.0625rem, 1.6vw, 1.1875rem); color: var(--muted); max-width: 34em; margin: 24px 0 32px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }

.stack { position: relative; margin: 0; background: linear-gradient(180deg, var(--surface), var(--bg-alt)); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; box-shadow: 0 30px 80px -30px rgba(0,0,0,.7), 0 0 0 1px rgba(255,255,255,.02) inset; }
.stack-head { display: flex; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--border); color: var(--text); }
.stack-list { list-style: none; margin: 0; padding: 10px; display: grid; gap: 6px; }
.stack-list li { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 12px; padding: 13px 12px; border-radius: 8px; background: rgba(255,255,255,.015); border: 1px solid transparent; transition: border-color .2s, background .2s; }
.stack-list li:hover { border-color: var(--border-strong); background: var(--accent-soft); }
.stack-list .lvl { color: var(--accent); }
.stack-list .name { color: var(--text); font-weight: 500; }
.stack-list .detail { color: var(--muted); font-size: .75rem; }
.stack-foot { padding: 12px 18px; border-top: 1px solid var(--border); margin: 0; font-size: .75rem; }
.stack-foot .ok { color: var(--ok); margin-right: 6px; }
.stack-scan {
  position: absolute; left: 0; right: 0; height: 64px; top: 48px; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(124,196,255,.10) 70%, rgba(124,196,255,.45) 100%);
  border-bottom: 1px solid rgba(124,196,255,.6);
  animation: scan 5.5s cubic-bezier(.45,0,.55,1) infinite alternate;
}
@keyframes scan { from { transform: translateY(-40px); } to { transform: translateY(262px); } }
@media (prefers-reduced-motion: reduce) { .stack-scan { display: none; } html { scroll-behavior: auto; } }

.facts { list-style: none; margin: clamp(48px, 7vw, 88px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); position: relative; z-index: 1; }
.facts li { padding: 22px 20px 0 0; display: flex; flex-direction: column; gap: 2px; }
.facts li + li { padding-left: 20px; border-left: 1px solid var(--border); }
.facts strong { font-family: var(--font-display); font-size: 1.0625rem; font-weight: 600; }
.facts span { color: var(--muted); font-size: .875rem; }

/* Sections */
.section { padding: var(--section) 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-slim { padding: 40px 0; border-top: 1px solid var(--border); }
.section-head { max-width: 640px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head p.muted { font-size: 1.0625rem; }
.section-head-row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }
.section-head-row h2 { margin: 0; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }

/* Services */
.services { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.service { padding: 26px; display: flex; flex-direction: column; transition: border-color .2s, transform .2s, background .2s; }
.service:hover { border-color: var(--border-strong); background: var(--surface-2); transform: translateY(-2px); }
.service p { color: var(--muted); font-size: .9375rem; flex: 1; }
.service-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 8px; background: var(--accent-soft); color: var(--accent); margin-bottom: 20px; }
.service-icon .icon { width: 22px; height: 22px; }
.service-cta { background: transparent; border-style: dashed; justify-content: center; }
.service-cta:hover { background: transparent; }
.service-cta p { flex: 0; }
.service-cta .btn { align-self: flex-start; }
.tags { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.tags li { font-size: .6875rem; padding: 4px 8px; border-radius: 4px; border: 1px solid var(--border-strong); color: var(--muted); }

/* Approach */
.lenses { display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: stretch; margin-bottom: clamp(48px, 7vw, 80px); }
.lens { padding: 28px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); position: relative; overflow: hidden; }
.lens::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; }
.lens-red::before { background: linear-gradient(90deg, var(--red), transparent); }
.lens-blue::before { background: linear-gradient(270deg, var(--accent), transparent); }
.lens-blue { text-align: right; }
.lens p:last-child { color: var(--muted); margin: 0; }
.lens-tag { text-transform: uppercase; letter-spacing: .14em; font-size: .6875rem; margin-bottom: 10px; }
.lens-red .lens-tag { color: var(--red); }
.lens-blue .lens-tag { color: var(--accent); }
.lens-gate { display: grid; place-items: center; width: 88px; }
.lens-gate svg { width: 56px; height: 56px; }

.phases { list-style: none; margin: 0; padding: 0; position: relative; display: grid; gap: 0; }
.phases::before { content: ""; position: absolute; left: 27px; top: 28px; bottom: 28px; width: 1px; background: linear-gradient(var(--border-strong), var(--border) 80%, transparent); }
.phase { display: grid; grid-template-columns: 56px 1fr; gap: clamp(18px, 3vw, 32px); padding: 22px 0; }
.phase-n { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--bg-alt); border: 1px solid var(--border-strong); color: var(--accent); position: relative; font-size: .875rem; }
.phase-body { padding-top: 6px; max-width: 760px; border-bottom: 1px solid var(--border); padding-bottom: 24px; }
.phase:last-child .phase-body { border-bottom: 0; }
.phase-title { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.phase-title h3 { margin: 0; font-size: 1.25rem; }
.phase-body > p { color: var(--muted); }
.phase-out { margin: 0; color: var(--text); }
.chip { font-size: .6875rem; text-transform: uppercase; letter-spacing: .1em; padding: 3px 8px; border-radius: 999px; border: 1px solid; }
.chip-red { color: var(--red); border-color: rgba(255,107,107,.35); background: var(--red-soft); }
.chip-blue { color: var(--accent); border-color: rgba(124,196,255,.35); background: var(--accent-soft); }
.chip-both { color: var(--text); border-color: var(--border-strong); background: linear-gradient(90deg, var(--red-soft), var(--accent-soft)); }

/* Case studies */
.cases { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.case { padding: 28px; display: flex; flex-direction: column; }
.case-sector { color: var(--accent); text-transform: uppercase; letter-spacing: .1em; font-size: .6875rem; margin-bottom: 12px; }
.case h3 { font-size: 1.25rem; }
.case-body { color: var(--muted); font-size: .9375rem; flex: 1; }
.case-body p:last-child { margin-bottom: 0; }
.case-outcome { margin: 20px 0 16px; padding: 14px 16px; border-left: 2px solid var(--ok); background: rgba(95,211,154,.06); border-radius: 0 6px 6px 0; font-size: .9375rem; }
.case-outcome .mono { display: block; color: var(--ok); text-transform: uppercase; letter-spacing: .12em; font-size: .6875rem; margin-bottom: 4px; }
.badge-draft { display: inline-block; font-family: var(--font-mono); font-size: .625rem; letter-spacing: .1em; text-transform: uppercase; padding: 2px 6px; border-radius: 4px; background: #3a2d0b; color: #ffcf5c; border: 1px solid #6b5316; vertical-align: middle; }

/* FAQ + links */
.faq-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: start; }
.faq details { border-bottom: 1px solid var(--border); }
.faq details:first-child { border-top: 1px solid var(--border); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-weight: 500; font-size: 1.0625rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-family: var(--font-mono); color: var(--accent); font-size: 1.25rem; transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { color: var(--accent-strong); }
.faq details p { color: var(--muted); margin: 0; padding: 0 40px 22px 0; }
.links { position: sticky; top: 100px; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.links ul { list-style: none; margin: 0; padding: 0; }
.links li + li { border-top: 1px solid var(--border); }
.links a { display: grid; grid-template-columns: 1fr auto; padding: 12px 0; color: var(--text); gap: 0 12px; }
.links a:hover span:first-child { color: var(--accent); }
.links a small { grid-column: 1; font-size: .8125rem; }
.links .ext { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--muted); }

/* Research cards */
.posts { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.post-card { padding: 26px; color: var(--text); transition: border-color .2s, background .2s; }
.post-card:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); }
.post-card h3 { font-size: 1.1875rem; margin: 8px 0 10px; }
.post-card p:last-child { margin: 0; font-size: .9375rem; }

/* Contact */
.section-contact { background: radial-gradient(ellipse 60% 80% at 0% 100%, rgba(124,196,255,.07), transparent 70%), var(--bg-alt); border-top: 1px solid var(--border); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 6vw, 80px); align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 28px 0 28px; display: grid; gap: 12px; }
.contact-list li { display: grid; grid-template-columns: 64px 1fr; align-items: baseline; font-size: 1.0625rem; }
.contact-list a { color: var(--text); }
.contact-list a:hover { color: var(--accent); }
.form { padding: clamp(22px, 3vw, 32px); display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: end; }
.form label { display: grid; gap: 8px; font-size: .875rem; font-weight: 500; }
.form input:not([type=checkbox]), .form select, .form textarea {
  width: 100%; font: inherit; font-size: 1rem; font-weight: 400; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-strong); border-radius: 8px; padding: 12px 14px;
  transition: border-color .15s, box-shadow .15s;
}
.form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
.form textarea { resize: vertical; min-height: 120px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form fieldset { border: 0; padding: 0; margin: 0; }
.form legend { font-size: .875rem; font-weight: 500; margin-bottom: 10px; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.form .check { display: inline-flex; grid-template-columns: none; gap: 0; cursor: pointer; font-weight: 400; }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check span { padding: 8px 12px; border: 1px solid var(--border-strong); border-radius: 999px; font-size: .8125rem; color: var(--muted); transition: all .15s; user-select: none; }
.check:hover span { border-color: var(--muted); color: var(--text); }
.check input:checked + span { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.check input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.check-inline { align-self: end; padding-bottom: 4px; }
.form button { justify-self: start; }
.form .small { margin: 0; }

.careers { display: flex; align-items: baseline; gap: 24px; flex-wrap: wrap; }
.careers .eyebrow { margin: 0; }
.careers p { margin: 0; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 48px 0; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 24px 48px; align-items: start; }
.footer .brand-mark { width: 26px; height: 26px; }
.footer p { margin: 14px 0 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 28px; }
.footer-links a { color: var(--muted); font-size: .9375rem; }
.footer-links a:hover { color: var(--text); }
.footer-legal { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid var(--border); }

/* Inner pages: research, post, policy */
.page-head { padding: clamp(56px, 8vw, 96px) 0 clamp(32px, 4vw, 48px); border-bottom: 1px solid var(--border); margin-bottom: clamp(32px, 4vw, 48px); }
.page-head .lede, .post .lede { color: var(--muted); font-size: 1.1875rem; }
.post { padding-top: clamp(40px, 6vw, 72px); padding-bottom: var(--section); }
.post h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
.back { display: inline-block; margin-bottom: 32px; color: var(--muted); }
.prose { font-size: 1.0625rem; line-height: 1.75; }
.prose h2 { font-size: 1.625rem; margin-top: 2em; }
.prose h3 { font-size: 1.25rem; margin-top: 1.75em; }
.prose a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(124,196,255,.4); }
.prose code { font-family: var(--font-mono); font-size: .875em; background: var(--surface-2); border: 1px solid var(--border); padding: 1px 6px; border-radius: 4px; }
.prose pre { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 18px 20px; overflow-x: auto; font-size: .875rem; line-height: 1.6; }
.prose pre code { background: none; border: 0; padding: 0; }
.prose blockquote { margin: 1.5em 0; padding: 4px 0 4px 20px; border-left: 2px solid var(--accent); color: var(--muted); }
.prose img { border-radius: 8px; border: 1px solid var(--border); margin: 1.5em 0; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: .35em 0; }
.post-cta { margin-top: 56px; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.post-cta p { margin: 0; font-weight: 500; }
.post-list { list-style: none; margin: 0 0 var(--section); padding: 0; }
.post-list li { border-bottom: 1px solid var(--border); }
.post-list a { display: grid; grid-template-columns: 180px 1fr; gap: 8px 32px; padding: 28px 0; color: var(--text); }
.post-list a:hover h2 { color: var(--accent); }
.post-list h2 { font-size: 1.375rem; margin: 0 0 6px; transition: color .15s; }
.post-list p { margin: 0; }
.empty { padding: 48px 0 var(--section); }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .stack { max-width: 520px; }
  .links { position: static; }
  .lenses { grid-template-columns: 1fr; }
  .lens-blue { text-align: left; }
  .lens-blue::before { background: linear-gradient(90deg, var(--accent), transparent); }
  .lens-gate { width: auto; height: 40px; }
  .lens-gate svg { width: 36px; height: 36px; transform: rotate(90deg); }
}
@media (max-width: 720px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .facts li:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts li { padding-bottom: 18px; }
  .form .row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .post-list a { grid-template-columns: 1fr; }
  .phases::before { left: 21px; }
  .phase { grid-template-columns: 44px 1fr; }
  .phase-n { width: 44px; height: 44px; font-size: .75rem; }
  .stack-list .detail { display: none; }
  .contact-list li { font-size: 1rem; }
}